diff --git a/cib/notify.c b/cib/notify.c index 14d52fb1d7..3f633ee528 100644 --- a/cib/notify.c +++ b/cib/notify.c @@ -1,401 +1,379 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include int pending_updates = 0; struct cib_notification_s { xmlNode *msg; struct iovec *iov; int32_t iov_size; }; void attach_cib_generation(xmlNode * msg, const char *field, xmlNode * a_cib); void do_cib_notify(int options, const char *op, xmlNode * update, int result, xmlNode * result_data, const char *msg_type); static void need_pre_notify(gpointer key, gpointer value, gpointer user_data) { crm_client_t *client = value; if (is_set(client->options, cib_notify_pre)) { gboolean *needed = user_data; *needed = TRUE; } } static void need_post_notify(gpointer key, gpointer value, gpointer user_data) { crm_client_t *client = value; if (is_set(client->options, cib_notify_post)) { gboolean *needed = user_data; *needed = TRUE; } } static gboolean cib_notify_send_one(gpointer key, gpointer value, gpointer user_data) { const char *type = NULL; gboolean do_send = FALSE; crm_client_t *client = value; struct cib_notification_s *update = user_data; CRM_CHECK(client != NULL, return TRUE); CRM_CHECK(update != NULL, return TRUE); if (client->ipcs == NULL && client->remote == NULL) { crm_warn("Skipping client with NULL channel"); return FALSE; } type = crm_element_value(update->msg, F_SUBTYPE); CRM_LOG_ASSERT(type != NULL); if (is_set(client->options, cib_notify_diff) && safe_str_eq(type, T_CIB_DIFF_NOTIFY)) { do_send = TRUE; } else if (is_set(client->options, cib_notify_replace) && safe_str_eq(type, T_CIB_REPLACE_NOTIFY)) { do_send = TRUE; } else if (is_set(client->options, cib_notify_confirm) && safe_str_eq(type, T_CIB_UPDATE_CONFIRM)) { do_send = TRUE; } else if (is_set(client->options, cib_notify_pre) && safe_str_eq(type, T_CIB_PRE_NOTIFY)) { do_send = TRUE; } else if (is_set(client->options, cib_notify_post) && safe_str_eq(type, T_CIB_POST_NOTIFY)) { do_send = TRUE; } if (do_send) { switch (client->kind) { case CRM_CLIENT_IPC: -#ifdef HAVE_IPCS_GET_BUFFER_SIZE - { - int max_send_size = qb_ipcs_connection_get_buffer_size(client->ipcs); - if (max_send_size < update->iov_size) { - struct iovec *iov; - int new_size = crm_ipc_prepare(0, update->msg, &iov, max_send_size); - - if (new_size > 0) { - free(update->iov[0].iov_base); - free(update->iov[1].iov_base); - free(update->iov); - - update->iov = iov; - update->iov_size = new_size; - } else { - crm_warn("Preparing notification for client %s/%s failed", client->name, client->id); - return FALSE; - } - } - } -#endif - if (crm_ipcs_sendv(client, update->iov, crm_ipc_server_event) < 0) { crm_warn("Notification of client %s/%s failed", client->name, client->id); } break; #ifdef HAVE_GNUTLS_GNUTLS_H case CRM_CLIENT_TLS: #endif case CRM_CLIENT_TCP: crm_debug("Sent %s notification to client %s/%s", type, client->name, client->id); crm_remote_send(client->remote, update->msg); break; default: crm_err("Unknown transport %d for %s", client->kind, client->name); } } return FALSE; } static void cib_notify_send(xmlNode * xml) { struct iovec *iov; struct cib_notification_s update; ssize_t rc = crm_ipc_prepare(0, xml, &iov, 0); crm_trace("Notifying clients"); if (rc > 0) { update.msg = xml; update.iov = iov; update.iov_size = rc; g_hash_table_foreach_remove(client_connections, cib_notify_send_one, &update); } else { crm_notice("Notification failed: %s (%d)", pcmk_strerror(rc), rc); } if (iov) { free(iov[0].iov_base); free(iov[1].iov_base); free(iov); } crm_trace("Notify complete"); } void cib_pre_notify(int options, const char *op, xmlNode * existing, xmlNode * update) { xmlNode *update_msg = NULL; const char *type = NULL; const char *id = NULL; gboolean needed = FALSE; g_hash_table_foreach(client_connections, need_pre_notify, &needed); if (needed == FALSE) { return; } /* TODO: consider pre-notification for removal */ update_msg = create_xml_node(NULL, "pre-notify"); if (update != NULL) { id = crm_element_value(update, XML_ATTR_ID); } crm_xml_add(update_msg, F_TYPE, T_CIB_NOTIFY); crm_xml_add(update_msg, F_SUBTYPE, T_CIB_PRE_NOTIFY); crm_xml_add(update_msg, F_CIB_OPERATION, op); if (id != NULL) { crm_xml_add(update_msg, F_CIB_OBJID, id); } if (update != NULL) { crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(update)); } else if (existing != NULL) { crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(existing)); } type = crm_element_value(update_msg, F_CIB_OBJTYPE); attach_cib_generation(update_msg, "cib_generation", the_cib); if (existing != NULL) { add_message_xml(update_msg, F_CIB_EXISTING, existing); } if (update != NULL) { add_message_xml(update_msg, F_CIB_UPDATE, update); } cib_notify_send(update_msg); if (update == NULL) { crm_trace("Performing operation %s (on section=%s)", op, type); } else { crm_trace("Performing %s on <%s%s%s>", op, type, id ? " id=" : "", id ? id : ""); } free_xml(update_msg); } void cib_post_notify(int options, const char *op, xmlNode * update, int result, xmlNode * new_obj) { gboolean needed = FALSE; g_hash_table_foreach(client_connections, need_post_notify, &needed); if (needed == FALSE) { return; } do_cib_notify(options, op, update, result, new_obj, T_CIB_UPDATE_CONFIRM); } void cib_diff_notify(int options, const char *client, const char *call_id, const char *op, xmlNode * update, int result, xmlNode * diff) { int add_updates = 0; int add_epoch = 0; int add_admin_epoch = 0; int del_updates = 0; int del_epoch = 0; int del_admin_epoch = 0; int log_level = LOG_DEBUG_2; if (diff == NULL) { return; } if (result != pcmk_ok) { log_level = LOG_WARNING; } cib_diff_version_details(diff, &add_admin_epoch, &add_epoch, &add_updates, &del_admin_epoch, &del_epoch, &del_updates); if (add_updates != del_updates) { do_crm_log(log_level, "Update (client: %s%s%s): %d.%d.%d -> %d.%d.%d (%s)", client, call_id ? ", call:" : "", call_id ? call_id : "", del_admin_epoch, del_epoch, del_updates, add_admin_epoch, add_epoch, add_updates, pcmk_strerror(result)); } else if (diff != NULL) { do_crm_log(log_level, "Local-only Change (client:%s%s%s): %d.%d.%d (%s)", client, call_id ? ", call: " : "", call_id ? call_id : "", add_admin_epoch, add_epoch, add_updates, pcmk_strerror(result)); } do_cib_notify(options, op, update, result, diff, T_CIB_DIFF_NOTIFY); } void do_cib_notify(int options, const char *op, xmlNode * update, int result, xmlNode * result_data, const char *msg_type) { xmlNode *update_msg = NULL; const char *id = NULL; update_msg = create_xml_node(NULL, "notify"); if (result_data != NULL) { id = crm_element_value(result_data, XML_ATTR_ID); } crm_xml_add(update_msg, F_TYPE, T_CIB_NOTIFY); crm_xml_add(update_msg, F_SUBTYPE, msg_type); crm_xml_add(update_msg, F_CIB_OPERATION, op); crm_xml_add_int(update_msg, F_CIB_RC, result); if (id != NULL) { crm_xml_add(update_msg, F_CIB_OBJID, id); } if (update != NULL) { crm_trace("Setting type to update->name: %s", crm_element_name(update)); crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(update)); } else if (result_data != NULL) { crm_trace("Setting type to new_obj->name: %s", crm_element_name(result_data)); crm_xml_add(update_msg, F_CIB_OBJTYPE, crm_element_name(result_data)); } else { crm_trace("Not Setting type"); } attach_cib_generation(update_msg, "cib_generation", the_cib); if (update != NULL) { add_message_xml(update_msg, F_CIB_UPDATE, update); } if (result_data != NULL) { add_message_xml(update_msg, F_CIB_UPDATE_RESULT, result_data); } cib_notify_send(update_msg); free_xml(update_msg); } void attach_cib_generation(xmlNode * msg, const char *field, xmlNode * a_cib) { xmlNode *generation = create_xml_node(NULL, XML_CIB_TAG_GENERATION_TUPPLE); if (a_cib != NULL) { copy_in_properties(generation, a_cib); } add_message_xml(msg, field, generation); free_xml(generation); } void cib_replace_notify(const char *origin, xmlNode * update, int result, xmlNode * diff) { xmlNode *replace_msg = NULL; int add_updates = 0; int add_epoch = 0; int add_admin_epoch = 0; int del_updates = 0; int del_epoch = 0; int del_admin_epoch = 0; if (diff == NULL) { return; } cib_diff_version_details(diff, &add_admin_epoch, &add_epoch, &add_updates, &del_admin_epoch, &del_epoch, &del_updates); if (del_updates < 0) { crm_log_xml_debug(diff, "Bad replace diff"); } if (add_updates != del_updates) { crm_info("Replaced: %d.%d.%d -> %d.%d.%d from %s", del_admin_epoch, del_epoch, del_updates, add_admin_epoch, add_epoch, add_updates, crm_str(origin)); } else if (diff != NULL) { crm_info("Local-only Replace: %d.%d.%d from %s", add_admin_epoch, add_epoch, add_updates, crm_str(origin)); } replace_msg = create_xml_node(NULL, "notify-replace"); crm_xml_add(replace_msg, F_TYPE, T_CIB_NOTIFY); crm_xml_add(replace_msg, F_SUBTYPE, T_CIB_REPLACE_NOTIFY); crm_xml_add(replace_msg, F_CIB_OPERATION, CIB_OP_REPLACE); crm_xml_add_int(replace_msg, F_CIB_RC, result); attach_cib_generation(replace_msg, "cib-replace-generation", update); crm_log_xml_trace(replace_msg, "CIB Replaced"); cib_notify_send(replace_msg); free_xml(replace_msg); } diff --git a/configure.ac b/configure.ac index 5d8843e554..5b716dbb39 100644 --- a/configure.ac +++ b/configure.ac @@ -1,1895 +1,1895 @@ dnl dnl autoconf for Pacemaker dnl dnl License: GNU General Public License (GPL) dnl =============================================== dnl Bootstrap dnl =============================================== AC_PREREQ(2.59) dnl Suggested structure: dnl information on the package dnl checks for programs dnl checks for libraries dnl checks for header files dnl checks for types dnl checks for structures dnl checks for compiler characteristics dnl checks for library functions dnl checks for system services AC_INIT(pacemaker, 1.1.10, pacemaker@oss.clusterlabs.org,,http://clusterlabs.org) CRM_DTD_VERSION="1.2" PCMK_FEATURES="" HB_PKG=heartbeat AC_CONFIG_AUX_DIR(.) AC_CANONICAL_HOST dnl Where #defines go (e.g. `AC_CHECK_HEADERS' below) dnl dnl Internal header: include/config.h dnl - Contains ALL defines dnl - include/config.h.in is generated automatically by autoheader dnl - NOT to be included in any header files except lha_internal.h dnl (which is also not to be included in any other header files) dnl dnl External header: include/crm_config.h dnl - Contains a subset of defines checked here dnl - Manually edit include/crm_config.h.in to have configure include dnl new defines dnl - Should not include HAVE_* defines dnl - Safe to include anywhere AM_CONFIG_HEADER(include/config.h include/crm_config.h) ALL_LINGUAS="en fr" AC_ARG_WITH(version, [ --with-version=version Override package version (if you're a packager needing to pretend) ], [ PACKAGE_VERSION="$withval" ]) AC_ARG_WITH(pkg-name, [ --with-pkg-name=name Override package name (if you're a packager needing to pretend) ], [ PACKAGE_NAME="$withval" ]) AM_INIT_AUTOMAKE($PACKAGE_NAME, $PACKAGE_VERSION) AC_DEFINE_UNQUOTED(PACEMAKER_VERSION, "$PACKAGE_VERSION", Current pacemaker version) PACKAGE_SERIES=`echo $PACKAGE_VERSION | awk -F. '{ print $1"."$2 }'` AC_SUBST(PACKAGE_SERIES) AC_SUBST(PACKAGE_VERSION) dnl automake >= 1.11 offers --enable-silent-rules for suppressing the output from dnl normal compilation. When a failure occurs, it will then display the full dnl command line dnl Wrap in m4_ifdef to avoid breaking on older platforms m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])]) dnl Example 2.4. Silent Custom Rule to Generate a File dnl %-bar.pc: %.pc dnl $(AM_V_GEN)$(LN_S) $(notdir $^) $@ CC_IN_CONFIGURE=yes export CC_IN_CONFIGURE LDD=ldd dnl ======================================================================== dnl Compiler characteristics dnl ======================================================================== AC_PROG_CC dnl Can force other with environment variable "CC". AM_PROG_CC_C_O AC_PROG_CC_STDC gl_EARLY gl_INIT AC_LIBTOOL_DLOPEN dnl Enable dlopen support... AC_LIBLTDL_CONVENIENCE dnl make libltdl a convenience lib AC_PROG_LIBTOOL AC_PROG_YACC AM_PROG_LEX AC_C_STRINGIZE AC_TYPE_SIZE_T AC_CHECK_SIZEOF(char) AC_CHECK_SIZEOF(short) AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(long long) AC_STRUCT_TIMEZONE dnl =============================================== dnl Helpers dnl =============================================== cc_supports_flag() { local CFLAGS="-Werror $@" AC_MSG_CHECKING(whether $CC supports "$@") AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ ]], [[ ]])], [RC=0; AC_MSG_RESULT(yes)],[RC=1; AC_MSG_RESULT(no)]) return $RC } try_extract_header_define() { AC_MSG_CHECKING(if $2 in $1 exists) Cfile=$srcdir/extract_define.$2.${$} printf "#include \n" > ${Cfile}.c printf "#include <%s>\n" $1 >> ${Cfile}.c printf "int main(int argc, char **argv) {\n" >> ${Cfile}.c printf "#ifdef %s\n" $2 >> ${Cfile}.c printf "printf(\"%%s\", %s);\n" $2 >> ${Cfile}.c printf "#endif \n return 0; }\n" >> ${Cfile}.c $CC $CFLAGS ${Cfile}.c -o ${Cfile} 2>/dev/null value= if test -x ${Cfile}; then value=`${Cfile} 2>/dev/null` fi if test x"${value}" == x""; then value=$3 AC_MSG_RESULT(default: $value) else AC_MSG_RESULT($value) fi printf $value rm -rf ${Cfile}.c ${Cfile} ${Cfile}.dSYM ${Cfile}.gcno } extract_header_define() { AC_MSG_CHECKING(for $2 in $1) Cfile=$srcdir/extract_define.$2.${$} printf "#include \n" > ${Cfile}.c printf "#include <%s>\n" $1 >> ${Cfile}.c printf "int main(int argc, char **argv) { printf(\"%%s\", %s); return 0; }\n" $2 >> ${Cfile}.c $CC $CFLAGS ${Cfile}.c -o ${Cfile} value=`${Cfile}` AC_MSG_RESULT($value) printf $value rm -rf ${Cfile}.c ${Cfile} ${Cfile}.dSYM ${Cfile}.gcno } dnl =============================================== dnl Configure Options dnl =============================================== dnl Some systems, like Solaris require a custom package name AC_ARG_WITH(pkgname, [ --with-pkgname=name name for pkg (typically for Solaris) ], [ PKGNAME="$withval" ], [ PKGNAME="LXHAhb" ], ) AC_SUBST(PKGNAME) AC_ARG_ENABLE([ansi], [ --enable-ansi force GCC to compile to ANSI/ANSI standard for older compilers. [default=no]]) AC_ARG_ENABLE([fatal-warnings], [ --enable-fatal-warnings very pedantic and fatal warnings for gcc [default=yes]]) AC_ARG_ENABLE([quiet], [ --enable-quiet Supress make output unless there is an error [default=no]]) AC_ARG_ENABLE([thread-safe], [ --enable-thread-safe Enable some client libraries to be thread safe. [default=no]]) AC_ARG_ENABLE([bundled-ltdl], [ --enable-bundled-ltdl Configure, build and install the standalone ltdl library bundled with ${PACKAGE} [default=no]]) LTDL_LIBS="" AC_ARG_ENABLE([no-stack], [ --enable-no-stack Only build the Policy Engine and pieces needed to support it [default=no]]) AC_ARG_ENABLE([upstart], [ --enable-upstart Do not build support for the Upstart init system [default=yes]]) AC_ARG_ENABLE([systemd], [ --enable-systemd Do not build support for the Systemd init system [default=yes]]) AC_ARG_WITH(ais, [ --with-ais Support the Corosync messaging and membership layer ], [ SUPPORT_CS=$withval ], [ SUPPORT_CS=try ], ) AC_ARG_WITH(corosync, [ --with-corosync Support the Corosync messaging and membership layer ], [ SUPPORT_CS=$withval ] dnl initialized in AC_ARG_WITH(ais...) already, dnl don't reset to try if it was given as --without-ais ) AC_ARG_WITH(heartbeat, [ --with-heartbeat Support the Heartbeat messaging and membership layer ], [ SUPPORT_HEARTBEAT=$withval ], [ SUPPORT_HEARTBEAT=try ], ) AC_ARG_WITH(cman, [ --with-cman Support the consumption of membership and quorum from cman ], [ SUPPORT_CMAN=$withval ], [ SUPPORT_CMAN=try ], ) AC_ARG_WITH(cpg, [ --with-cs-quorum Support the consumption of membership and quorum from corosync ], [ SUPPORT_CS_QUORUM=$withval ], [ SUPPORT_CS_QUORUM=try ], ) AC_ARG_WITH(nagios, [ --with-nagios Support nagios remote monitoring ], [ SUPPORT_NAGIOS=$withval ], [ SUPPORT_NAGIOS=try ], ) AC_ARG_WITH(nagios-plugin-dir, [ --with-nagios-plugin-dir=DIR Directory for nagios plugins [${NAGIOS_PLUGIN_DIR}]], [ NAGIOS_PLUGIN_DIR="$withval" ] ) AC_ARG_WITH(nagios-metadata-dir, [ --with-nagios-metadata-dir=DIR Directory for nagios plugins metadata [${NAGIOS_METADATA_DIR}]], [ NAGIOS_METADATA_DIR="$withval" ] ) AC_ARG_WITH(snmp, [ --with-snmp Support the SNMP protocol ], [ SUPPORT_SNMP=$withval ], [ SUPPORT_SNMP=try ], ) AC_ARG_WITH(esmtp, [ --with-esmtp Support the sending mail notifications with the esmtp library ], [ SUPPORT_ESMTP=$withval ], [ SUPPORT_ESMTP=try ], ) AC_ARG_WITH(acl, [ --with-acl Support CIB ACL ], [ SUPPORT_ACL=$withval ], [ SUPPORT_ACL=no ], ) AC_ARG_WITH(cibsecrets, [ --with-cibsecrets Support CIB secrets ], [ SUPPORT_CIBSECRETS=$withval ], [ SUPPORT_CIBSECRETS=no ], ) CSPREFIX="" AC_ARG_WITH(ais-prefix, [ --with-ais-prefix=DIR Prefix used when Corosync was installed [$prefix]], [ CSPREFIX=$withval ], [ CSPREFIX=$prefix ]) LCRSODIR="" AC_ARG_WITH(lcrso-dir, [ --with-lcrso-dir=DIR Corosync lcrso files. ], [ LCRSODIR="$withval" ]) INITDIR="" AC_ARG_WITH(initdir, [ --with-initdir=DIR directory for init (rc) scripts [${INITDIR}]], [ INITDIR="$withval" ]) SUPPORT_PROFILING=0 AC_ARG_WITH(profiling, [ --with-profiling Disable optimizations for effective profiling ], [ SUPPORT_PROFILING=$withval ]) AC_ARG_WITH(coverage, [ --with-coverage Disable optimizations for effective profiling ], [ SUPPORT_COVERAGE=$withval ]) PUBLICAN_BRAND="common" AC_ARG_WITH(brand, [ --with-brand=brand Brand to use for generated documentation [$PUBLICAN_BRAND]], [ PUBLICAN_BRAND="$withval" ]) AC_SUBST(PUBLICAN_BRAND) ASCIIDOC_CLI_TYPE="pcs" AC_ARG_WITH(doc-cli, [ --with-doc-cli=cli_type CLI type to use for generated documentation. [$ASCIIDOC_CLI_TYPE]], [ ASCIIDOC_CLI_TYPE="$withval" ]) AC_SUBST(ASCIIDOC_CLI_TYPE) dnl =============================================== dnl General Processing dnl =============================================== AC_SUBST(HB_PKG) INIT_EXT="" echo Our Host OS: $host_os/$host AC_MSG_NOTICE(Sanitizing prefix: ${prefix}) case $prefix in NONE) prefix=/usr dnl Fix default variables - "prefix" variable if not specified if test "$localstatedir" = "\${prefix}/var"; then localstatedir="/var" fi if test "$sysconfdir" = "\${prefix}/etc"; then sysconfdir="/etc" fi ;; esac AC_MSG_NOTICE(Sanitizing exec_prefix: ${exec_prefix}) case $exec_prefix in dnl For consistency with Heartbeat, map NONE->$prefix NONE) exec_prefix=$prefix;; prefix) exec_prefix=$prefix;; esac AC_MSG_NOTICE(Sanitizing ais_prefix: ${CSPREFIX}) case $CSPREFIX in dnl For consistency with Heartbeat, map NONE->$prefix NONE) CSPREFIX=$prefix;; prefix) CSPREFIX=$prefix;; esac AC_MSG_NOTICE(Sanitizing INITDIR: ${INITDIR}) case $INITDIR in prefix) INITDIR=$prefix;; "") AC_MSG_CHECKING(which init (rc) directory to use) for initdir in /etc/init.d /etc/rc.d/init.d /sbin/init.d \ /usr/local/etc/rc.d /etc/rc.d do if test -d $initdir then INITDIR=$initdir break fi done AC_MSG_RESULT($INITDIR);; esac AC_SUBST(INITDIR) AC_MSG_NOTICE(Sanitizing libdir: ${libdir}) case $libdir in dnl For consistency with Heartbeat, map NONE->$prefix *prefix*|NONE) AC_MSG_CHECKING(which lib directory to use) for aDir in lib64 lib do trydir="${exec_prefix}/${aDir}" if test -d ${trydir} then libdir=${trydir} break fi done AC_MSG_RESULT($libdir); ;; esac dnl Expand autoconf variables so that we dont end up with '${prefix}' dnl in #defines and python scripts dnl NOTE: Autoconf deliberately leaves them unexpanded to allow dnl make exec_prefix=/foo install dnl No longer being able to do this seems like no great loss to me... eval prefix="`eval echo ${prefix}`" eval exec_prefix="`eval echo ${exec_prefix}`" eval bindir="`eval echo ${bindir}`" eval sbindir="`eval echo ${sbindir}`" eval libexecdir="`eval echo ${libexecdir}`" eval datadir="`eval echo ${datadir}`" eval sysconfdir="`eval echo ${sysconfdir}`" eval sharedstatedir="`eval echo ${sharedstatedir}`" eval localstatedir="`eval echo ${localstatedir}`" eval libdir="`eval echo ${libdir}`" eval includedir="`eval echo ${includedir}`" eval oldincludedir="`eval echo ${oldincludedir}`" eval infodir="`eval echo ${infodir}`" eval mandir="`eval echo ${mandir}`" dnl Home-grown variables eval INITDIR="${INITDIR}" eval docdir="`eval echo ${docdir}`" if test x"${docdir}" = x""; then docdir=${datadir}/doc/${PACKAGE}-${VERSION} #docdir=${datadir}/doc/packages/${PACKAGE} fi AC_SUBST(docdir) for j in prefix exec_prefix bindir sbindir libexecdir datadir sysconfdir \ sharedstatedir localstatedir libdir includedir oldincludedir infodir \ mandir INITDIR docdir do dirname=`eval echo '${'${j}'}'` if test ! -d "$dirname" then AC_MSG_WARN([$j directory ($dirname) does not exist!]) fi done dnl This OS-based decision-making is poor autotools practice; dnl feature-based mechanisms are strongly preferred. dnl dnl So keep this section to a bare minimum; regard as a "necessary evil". case "$host_os" in *bsd*) AC_DEFINE_UNQUOTED(ON_BSD, 1, Compiling for BSD platform) LIBS="-L/usr/local/lib" CPPFLAGS="$CPPFLAGS -I/usr/local/include" INIT_EXT=".sh" ;; *solaris*) ;; *linux*) AC_DEFINE_UNQUOTED(ON_LINUX, 1, Compiling for Linux platform) CFLAGS="$CFLAGS -I${prefix}/include" ;; darwin*) AC_DEFINE_UNQUOTED(ON_DARWIN, 1, Compiling for Darwin platform) LIBS="$LIBS -L${prefix}/lib" CFLAGS="$CFLAGS -I${prefix}/include" ;; esac dnl Eventually remove this CFLAGS="$CFLAGS -I${prefix}/include/heartbeat" AC_SUBST(INIT_EXT) AC_MSG_NOTICE(Host CPU: $host_cpu) case "$host_cpu" in ppc64|powerpc64) case $CFLAGS in *powerpc64*) ;; *) if test "$GCC" = yes; then CFLAGS="$CFLAGS -m64" fi ;; esac esac AC_MSG_CHECKING(which format is needed to print uint64_t) ac_save_CFLAGS=$CFLAGS CFLAGS="-Wall -Werror" AC_COMPILE_IFELSE( [AC_LANG_PROGRAM( [ #include #include #include ], [ int max = 512; uint64_t bignum = 42; char *buffer = malloc(max); const char *random = "random"; snprintf(buffer, max-1, "", bignum, random); fprintf(stderr, "Result: %s\n", buffer); ] )], [U64T="%lu"], [U64T="%llu"] ) CFLAGS=$ac_save_CFLAGS AC_MSG_RESULT($U64T) AC_DEFINE_UNQUOTED(U64T, "$U64T", Correct printf format for logging uint64_t) dnl =============================================== dnl Program Paths dnl =============================================== PATH="$PATH:/sbin:/usr/sbin:/usr/local/sbin:/usr/local/bin" export PATH dnl Replacing AC_PROG_LIBTOOL with AC_CHECK_PROG because LIBTOOL dnl was NOT being expanded all the time thus causing things to fail. AC_CHECK_PROGS(LIBTOOL, glibtool libtool libtool15 libtool13) AM_PATH_PYTHON AC_CHECK_PROGS(MAKE, gmake make) AC_PATH_PROGS(HTML2TXT, lynx w3m) AC_PATH_PROGS(HELP2MAN, help2man) AC_PATH_PROGS(POD2MAN, pod2man, pod2man) AC_PATH_PROGS(ASCIIDOC, asciidoc) AC_PATH_PROGS(PUBLICAN, publican) AC_PATH_PROGS(INKSCAPE, inkscape) AC_PATH_PROGS(XSLTPROC, xsltproc) AC_PATH_PROGS(FOP, fop) AC_PATH_PROGS(SSH, ssh, /usr/bin/ssh) AC_PATH_PROGS(SCP, scp, /usr/bin/scp) AC_PATH_PROGS(TAR, tar) AC_PATH_PROGS(MD5, md5) AC_PATH_PROGS(TEST, test) AC_PATH_PROGS(PKGCONFIG, pkg-config) AC_PATH_PROGS(XML2CONFIG, xml2-config) AC_PATH_PROGS(VALGRIND_BIN, valgrind, /usr/bin/valgrind) AC_DEFINE_UNQUOTED(VALGRIND_BIN, "$VALGRIND_BIN", Valgrind command) dnl Disable these until we decide if the stonith config file should be supported dnl AC_PATH_PROGS(BISON, bison) dnl AC_PATH_PROGS(FLEX, flex) dnl AC_PATH_PROGS(HAVE_YACC, $YACC) if test x"${LIBTOOL}" = x""; then AC_MSG_ERROR(You need (g)libtool installed in order to build ${PACKAGE}) fi if test x"${MAKE}" = x""; then AC_MSG_ERROR(You need (g)make installed in order to build ${PACKAGE}) fi AM_CONDITIONAL(BUILD_HELP, test x"${HELP2MAN}" != x"") if test x"${HELP2MAN}" != x""; then PCMK_FEATURES="$PCMK_FEATURES generated-manpages" fi MANPAGE_XSLT="" if test x"${XSLTPROC}" != x""; then AC_MSG_CHECKING(docbook to manpage transform) XSLT=`find ${datadir} -name docbook.xsl` for xsl in $XSLT; do dname=`dirname $xsl` bname=`basename $dname` if test "$bname" = "manpages"; then MANPAGE_XSLT="$xsl" break fi done fi AC_MSG_RESULT($MANPAGE_XSLT) AC_SUBST(MANPAGE_XSLT) AM_CONDITIONAL(BUILD_XML_HELP, test x"${MANPAGE_XSLT}" != x"") if test x"${MANPAGE_XSLT}" != x""; then PCMK_FEATURES="$PCMK_FEATURES agent-manpages" fi AM_CONDITIONAL(BUILD_ASCIIDOC, test x"${ASCIIDOC}" != x"") if test x"${ASCIIDOC}" != x""; then PCMK_FEATURES="$PCMK_FEATURES ascii-docs" fi SUPPORT_STONITH_CONFIG=0 if test x"${HAVE_YACC}" != x"" -a x"${FLEX}" != x"" -a x"${BISON}" != x""; then SUPPORT_STONITH_CONFIG=1 PCMK_FEATURES="$PCMK_FEATURES st-conf" fi AM_CONDITIONAL(BUILD_STONITH_CONFIG, test $SUPPORT_STONITH_CONFIG = 1) AC_DEFINE_UNQUOTED(SUPPORT_STONITH_CONFIG, $SUPPORT_STONITH_CONFIG, Support a stand-alone stonith config file in addition to the CIB) AM_CONDITIONAL(BUILD_DOCBOOK, test x"${PUBLICAN}" != x"" -a x"${INKSCAPE}" != x"") if test x"${PUBLICAN}" != x"" -a x"${INKSCAPE}" != x""; then AC_MSG_NOTICE(Enabling publican) PCMK_FEATURES="$PCMK_FEATURES publican-docs" fi dnl ======================================================================== dnl checks for library functions to replace them dnl dnl NoSuchFunctionName: dnl is a dummy function which no system supplies. It is here to make dnl the system compile semi-correctly on OpenBSD which doesn't know dnl how to create an empty archive dnl dnl scandir: Only on BSD. dnl System-V systems may have it, but hidden and/or deprecated. dnl A replacement function is supplied for it. dnl dnl setenv: is some bsdish function that should also be avoided (use dnl putenv instead) dnl On the other hand, putenv doesn't provide the right API for the dnl code and has memory leaks designed in (sigh...) Fortunately this dnl A replacement function is supplied for it. dnl dnl strerror: returns a string that corresponds to an errno. dnl A replacement function is supplied for it. dnl dnl strnlen: is a gnu function similar to strlen, but safer. dnl We wrote a tolearably-fast replacement function for it. dnl dnl strndup: is a gnu function similar to strdup, but safer. dnl We wrote a tolearably-fast replacement function for it. AC_REPLACE_FUNCS(alphasort NoSuchFunctionName scandir setenv strerror strchrnul unsetenv strnlen strndup) dnl =============================================== dnl Libraries dnl =============================================== AC_CHECK_LIB(socket, socket) dnl -lsocket AC_CHECK_LIB(c, dlopen) dnl if dlopen is in libc... AC_CHECK_LIB(dl, dlopen) dnl -ldl (for Linux) AC_CHECK_LIB(rt, sched_getscheduler) dnl -lrt (for Tru64) AC_CHECK_LIB(gnugetopt, getopt_long) dnl -lgnugetopt ( if available ) AC_CHECK_LIB(pam, pam_start) dnl -lpam (if available) AC_CHECK_FUNCS([sched_setscheduler]) AC_CHECK_LIB(uuid, uuid_parse) dnl load the library if necessary AC_CHECK_FUNCS(uuid_unparse) dnl OSX ships uuid_* as standard functions AC_CHECK_HEADERS(uuid/uuid.h) if test "x$ac_cv_func_uuid_unparse" != xyes; then AC_MSG_ERROR(You do not have the libuuid development package installed) fi if test x"${PKGCONFIG}" = x""; then AC_MSG_ERROR(You need pkgconfig installed in order to build ${PACKAGE}) fi if test "x${enable_thread_safe}" = "xyes"; then GPKGNAME="gthread-2.0" else GPKGNAME="glib-2.0" fi if $PKGCONFIG --exists $GPKGNAME then GLIBCONFIG="$PKGCONFIG $GPKGNAME" else set -x echo PKG_CONFIG_PATH=$PKG_CONFIG_PATH $PKGCONFIG --exists $GPKGNAME; echo $? $PKGCONFIG --cflags $GPKGNAME; echo $? $PKGCONFIG $GPKGNAME; echo $? set +x AC_MSG_ERROR(You need glib2-devel installed in order to build ${PACKAGE}) fi AC_MSG_RESULT(using $GLIBCONFIG) # # Where is dlopen? # if test "$ac_cv_lib_c_dlopen" = yes; then LIBADD_DL="" elif test "$ac_cv_lib_dl_dlopen" = yes; then LIBADD_DL=-ldl else LIBADD_DL=${lt_cv_dlopen_libs} fi dnl dnl Check for location of gettext dnl dnl On at least Solaris 2.x, where it is in libc, specifying lintl causes dnl grief. Ensure minimal result, not the sum of all possibilities. dnl And do libc first. dnl Known examples: dnl c: Linux, Solaris 2.6+ dnl intl: BSD, AIX AC_CHECK_LIB(c, gettext) if test x$ac_cv_lib_c_gettext != xyes; then AC_CHECK_LIB(intl, gettext) fi if test x$ac_cv_lib_c_gettext != xyes -a x$ac_cv_lib_intl_gettext != xyes; then AC_MSG_ERROR(You need gettext installed in order to build ${PACKAGE}) fi if test "X$GLIBCONFIG" != X; then AC_MSG_CHECKING(for special glib includes: ) GLIBHEAD=`$GLIBCONFIG --cflags` AC_MSG_RESULT($GLIBHEAD) CPPFLAGS="$CPPFLAGS $GLIBHEAD" AC_MSG_CHECKING(for glib library flags) GLIBLIB=`$GLIBCONFIG --libs` AC_MSG_RESULT($GLIBLIB) LIBS="$LIBS $GLIBLIB" fi dnl FreeBSD needs -lcompat for ftime() used by lrmd.c AC_CHECK_LIB([compat], [ftime], [COMPAT_LIBS='-lcompat']) AC_SUBST(COMPAT_LIBS) dnl ======================================================================== dnl Headers dnl ======================================================================== AC_HEADER_STDC AC_CHECK_HEADERS(arpa/inet.h) AC_CHECK_HEADERS(asm/types.h) AC_CHECK_HEADERS(assert.h) AC_CHECK_HEADERS(auth-client.h) AC_CHECK_HEADERS(ctype.h) AC_CHECK_HEADERS(dirent.h) AC_CHECK_HEADERS(errno.h) AC_CHECK_HEADERS(fcntl.h) AC_CHECK_HEADERS(getopt.h) AC_CHECK_HEADERS(glib.h) AC_CHECK_HEADERS(grp.h) AC_CHECK_HEADERS(limits.h) AC_CHECK_HEADERS(linux/errqueue.h) AC_CHECK_HEADERS(linux/swab.h) AC_CHECK_HEADERS(malloc.h) AC_CHECK_HEADERS(netdb.h) AC_CHECK_HEADERS(netinet/in.h) AC_CHECK_HEADERS(netinet/ip.h) AC_CHECK_HEADERS(pam/pam_appl.h) AC_CHECK_HEADERS(pthread.h) AC_CHECK_HEADERS(pwd.h) AC_CHECK_HEADERS(security/pam_appl.h) AC_CHECK_HEADERS(sgtty.h) AC_CHECK_HEADERS(signal.h) AC_CHECK_HEADERS(stdarg.h) AC_CHECK_HEADERS(stddef.h) AC_CHECK_HEADERS(stdio.h) AC_CHECK_HEADERS(stdlib.h) AC_CHECK_HEADERS(string.h) AC_CHECK_HEADERS(strings.h) AC_CHECK_HEADERS(sys/dir.h) AC_CHECK_HEADERS(sys/ioctl.h) AC_CHECK_HEADERS(sys/param.h) AC_CHECK_HEADERS(sys/poll.h) AC_CHECK_HEADERS(sys/reboot.h) AC_CHECK_HEADERS(sys/resource.h) AC_CHECK_HEADERS(sys/select.h) AC_CHECK_HEADERS(sys/socket.h) AC_CHECK_HEADERS(sys/signalfd.h) AC_CHECK_HEADERS(sys/sockio.h) AC_CHECK_HEADERS(sys/stat.h) AC_CHECK_HEADERS(sys/time.h) AC_CHECK_HEADERS(sys/timeb.h) AC_CHECK_HEADERS(sys/types.h) AC_CHECK_HEADERS(sys/uio.h) AC_CHECK_HEADERS(sys/un.h) AC_CHECK_HEADERS(sys/utsname.h) AC_CHECK_HEADERS(sys/wait.h) AC_CHECK_HEADERS(time.h) AC_CHECK_HEADERS(unistd.h) AC_CHECK_HEADERS(winsock.h) dnl These headers need prerequisits before the tests will pass dnl AC_CHECK_HEADERS(net/if.h) dnl AC_CHECK_HEADERS(netinet/icmp6.h) dnl AC_CHECK_HEADERS(netinet/ip6.h) dnl AC_CHECK_HEADERS(netinet/ip_icmp.h) AC_MSG_CHECKING(for special libxml2 includes) if test "x$XML2CONFIG" = "x"; then AC_MSG_ERROR(libxml2 config not found) else XML2HEAD="`$XML2CONFIG --cflags`" AC_MSG_RESULT($XML2HEAD) AC_CHECK_LIB(xml2, xmlReadMemory) AC_CHECK_LIB(xslt, xsltApplyStylesheet) fi CPPFLAGS="$CPPFLAGS $XML2HEAD" AC_CHECK_HEADERS(libxml/xpath.h) AC_CHECK_HEADERS(libxslt/xslt.h) if test "$ac_cv_header_libxml_xpath_h" != "yes"; then AC_MSG_ERROR(The libxml developement headers were not found) fi if test "$ac_cv_header_libxslt_xslt_h" != "yes"; then AC_MSG_ERROR(The libxslt developement headers were not found) fi dnl ======================================================================== dnl Structures dnl ======================================================================== AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[[#include ]]) AC_CHECK_MEMBERS([lrm_op_t.rsc_deleted],,,[[#include ]]) dnl ======================================================================== dnl Functions dnl ======================================================================== AC_CHECK_FUNCS(g_log_set_default_handler) AC_CHECK_FUNCS(getopt, AC_DEFINE(HAVE_DECL_GETOPT, 1, [Have getopt function])) AC_CHECK_FUNCS(nanosleep, AC_DEFINE(HAVE_DECL_NANOSLEEP, 1, [Have nanosleep function])) dnl ======================================================================== dnl ltdl dnl ======================================================================== AC_CHECK_LIB(ltdl, lt_dlopen, [LTDL_foo=1]) if test "x${enable_bundled_ltdl}" = "xyes"; then if test $ac_cv_lib_ltdl_lt_dlopen = yes; then AC_MSG_NOTICE([Disabling usage of installed ltdl]) fi ac_cv_lib_ltdl_lt_dlopen=no fi LIBLTDL_DIR="" if test $ac_cv_lib_ltdl_lt_dlopen != yes ; then AC_MSG_NOTICE([Installing local ltdl]) LIBLTDL_DIR=libltdl ( cd $srcdir ; $TAR -xvf libltdl.tar ) if test "$?" -ne 0; then AC_MSG_ERROR([$TAR of libltdl.tar in $srcdir failed]) fi AC_CONFIG_SUBDIRS(libltdl) else LIBS="$LIBS -lltdl" AC_MSG_NOTICE([Using installed ltdl]) INCLTDL="" LIBLTDL="" fi AC_SUBST(INCLTDL) AC_SUBST(LIBLTDL) AC_SUBST(LIBLTDL_DIR) dnl ======================================================================== dnl bzip2 dnl ======================================================================== AC_CHECK_HEADERS(bzlib.h) AC_CHECK_LIB(bz2, BZ2_bzBuffToBuffCompress) if test x$ac_cv_lib_bz2_BZ2_bzBuffToBuffCompress != xyes ; then AC_MSG_ERROR(BZ2 libraries not found) fi if test x$ac_cv_header_bzlib_h != xyes; then AC_MSG_ERROR(BZ2 Development headers not found) fi dnl ======================================================================== dnl sighandler_t is missing from Illumos, Solaris11 systems dnl ======================================================================== AC_MSG_CHECKING([for sighandler_t]) AC_TRY_COMPILE([#include ],[sighandler_t *f;], has_sighandler_t=yes,has_sighandler_t=no) AC_MSG_RESULT($has_sighandler_t) if test "$has_sighandler_t" = "yes" ; then AC_DEFINE( HAVE_SIGHANDLER_T, 1, [Define if sighandler_t available] ) fi dnl ======================================================================== dnl ncurses dnl ======================================================================== dnl dnl A few OSes (e.g. Linux) deliver a default "ncurses" alongside "curses". dnl Many non-Linux deliver "curses"; sites may add "ncurses". dnl dnl However, the source-code recommendation for both is to #include "curses.h" dnl (i.e. "ncurses" still wants the include to be simple, no-'n', "curses.h"). dnl dnl ncurse takes precedence. dnl AC_CHECK_HEADERS(curses.h) AC_CHECK_HEADERS(curses/curses.h) AC_CHECK_HEADERS(ncurses.h) AC_CHECK_HEADERS(ncurses/ncurses.h) dnl Although n-library is preferred, only look for it if the n-header was found. CURSESLIBS='' if test "$ac_cv_header_ncurses_h" = "yes"; then AC_CHECK_LIB(ncurses, printw, [CURSESLIBS='-lncurses'; AC_DEFINE(HAVE_LIBNCURSES,1, have ncurses library)] ) fi if test "$ac_cv_header_ncurses_ncurses_h" = "yes"; then AC_CHECK_LIB(ncurses, printw, [CURSESLIBS='-lncurses'; AC_DEFINE(HAVE_LIBNCURSES,1, have ncurses library)] ) fi dnl Only look for non-n-library if there was no n-library. if test X"$CURSESLIBS" = X"" -a "$ac_cv_header_curses_h" = "yes"; then AC_CHECK_LIB(curses, printw, [CURSESLIBS='-lcurses'; AC_DEFINE(HAVE_LIBCURSES,1, have curses library)] ) fi dnl Only look for non-n-library if there was no n-library. if test X"$CURSESLIBS" = X"" -a "$ac_cv_header_curses_curses_h" = "yes"; then AC_CHECK_LIB(curses, printw, [CURSESLIBS='-lcurses'; AC_DEFINE(HAVE_LIBCURSES,1, have curses library)] ) fi if test "x$CURSESLIBS" != "x"; then PCMK_FEATURES="$PCMK_FEATURES ncurses" fi dnl Check for printw() prototype compatibility if test X"$CURSESLIBS" != X"" && cc_supports_flag -Wcast-qual && cc_supports_flag -Werror; then AC_MSG_CHECKING(whether printw() requires argument of "const char *") ac_save_LIBS=$LIBS LIBS="$CURSESLIBS $LIBS" ac_save_CFLAGS=$CFLAGS CFLAGS="-Wcast-qual -Werror" AC_LINK_IFELSE( [AC_LANG_PROGRAM( [ #if defined(HAVE_NCURSES_H) # include #elif defined(HAVE_NCURSES_NCURSES_H) # include #elif defined(HAVE_CURSES_H) # include #endif ], [printw((const char *)"Test");] )], [ac_cv_compatible_printw=yes], [ac_cv_compatible_printw=no] ) LIBS=$ac_save_LIBS CFLAGS=$ac_save_CFLAGS AC_MSG_RESULT([$ac_cv_compatible_printw]) if test "$ac_cv_compatible_printw" = no; then AC_MSG_WARN([The printw() function of your ncurses or curses library is old, we will disable usage of the library. If you want to use this library anyway, please update to newer version of the library, ncurses 5.4 or later is recommended. You can get the library from http://www.gnu.org/software/ncurses/.]) AC_MSG_NOTICE([Disabling curses]) AC_DEFINE(HAVE_INCOMPATIBLE_PRINTW, 1, [Do we have incompatible printw() in curses library?]) fi fi AC_SUBST(CURSESLIBS) dnl ======================================================================== dnl Profiling and GProf dnl ======================================================================== AC_MSG_NOTICE(Old CFLAGS: $CFLAGS) case $SUPPORT_COVERAGE in 1|yes|true) SUPPORT_PROFILING=1 PCMK_FEATURES="$PCMK_FEATURES coverage" CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage" dnl During linking, make sure to specify -lgcov or -coverage dnl Enable gprof #LIBS="$LIBS -pg" #CFLAGS="$CFLAGS -pg" ;; esac case $SUPPORT_PROFILING in 1|yes|true) SUPPORT_PROFILING=1 dnl Disable various compiler optimizations CFLAGS="$CFLAGS -fno-omit-frame-pointer -fno-inline -fno-builtin " dnl CFLAGS="$CFLAGS -fno-inline-functions -fno-default-inline -fno-inline-functions-called-once -fno-optimize-sibling-calls" dnl Turn off optimization so tools can get accurate line numbers CFLAGS=`echo $CFLAGS | sed -e 's/-O.\ //g' -e 's/-Wp,-D_FORTIFY_SOURCE=.\ //g' -e 's/-D_FORTIFY_SOURCE=.\ //g'` CFLAGS="$CFLAGS -O0 -g3 -gdwarf-2" dnl Update features PCMK_FEATURES="$PCMK_FEATURES profile" ;; *) SUPPORT_PROFILING=0;; esac AC_MSG_NOTICE(New CFLAGS: $CFLAGS) AC_DEFINE_UNQUOTED(SUPPORT_PROFILING, $SUPPORT_PROFILING, Support for profiling) dnl ======================================================================== dnl Cluster infrastructure - Heartbeat / LibQB dnl ======================================================================== dnl Compatability checks AC_CHECK_MEMBERS([struct lrm_ops.fail_rsc],,,[[#include ]]) if test x${enable_no_stack} = xyes; then SUPPORT_HEARTBEAT=no SUPPORT_CS=no fi PKG_CHECK_MODULES(libqb, libqb, HAVE_libqb=1, HAVE_libqb=0) AC_CHECK_HEADERS(qb/qbipc_common.h) AC_CHECK_LIB(qb, qb_ipcs_connection_auth_set) LIBQB_LOG=1 PCMK_FEATURES="$PCMK_FEATURES libqb-logging libqb-ipc" -AC_CHECK_FUNCS(qb_ipcs_connection_get_buffer_size, AC_DEFINE(HAVE_IPCS_GET_BUFFER_SIZE, 1, [Have qb_ipcs_connection_get_buffer_size function])) +AC_CHECK_FUNCS(qb_ipcs_connection_get_buffer_size, AC_DEFINE(HAVE_IPCS_GET_BUFFER_SIZE, 1, [Have qb_ipcc_get_buffer_size function])) if ! pkg-config --atleast-version 0.13 libqb then AC_MSG_FAILURE(Version of libqb is too old: v0.13 or greater requried) fi LIBS="$LIBS $libqb_LIBS" AC_CHECK_HEADERS(heartbeat/hb_config.h) AC_CHECK_HEADERS(heartbeat/glue_config.h) AC_CHECK_HEADERS(stonith/stonith.h) AC_CHECK_HEADERS(agent_config.h) GLUE_HEADER=none HAVE_GLUE=0 if test "$ac_cv_header_heartbeat_glue_config_h" = "yes"; then GLUE_HEADER=glue_config.h HAVE_GLUE=1 elif test "$ac_cv_header_heartbeat_hb_config_h" = "yes"; then GLUE_HEADER=hb_config.h HAVE_GLUE=1 else AC_MSG_WARN(cluster-glue development headers were not found) fi if test "$ac_cv_header_stonith_stonith_h" = "yes"; then PCMK_FEATURES="$PCMK_FEATURES lha-fencing" fi if test $HAVE_GLUE = 1; then dnl On Debian, AC_CHECK_LIBS fail if a library has any unresolved symbols dnl So check for all the depenancies (so they're added to LIBS) before checking for -lplumb AC_CHECK_LIB(pils, PILLoadPlugin) AC_CHECK_LIB(plumb, G_main_add_IPC_Channel) fi dnl =============================================== dnl Variables needed for substitution dnl =============================================== CRM_DTD_DIRECTORY="${datadir}/pacemaker" AC_DEFINE_UNQUOTED(CRM_DTD_DIRECTORY,"$CRM_DTD_DIRECTORY", Location for the Pacemaker Relax-NG Schema) AC_SUBST(CRM_DTD_DIRECTORY) AC_DEFINE_UNQUOTED(CRM_DTD_VERSION,"$CRM_DTD_VERSION", Current version of the Pacemaker Relax-NG Schema) AC_SUBST(CRM_DTD_VERSION) CRM_CORE_DIR=`try_extract_header_define $GLUE_HEADER HA_COREDIR ${localstatedir}/lib/pacemaker/cores` AC_DEFINE_UNQUOTED(CRM_CORE_DIR,"$CRM_CORE_DIR", Location to store core files produced by Pacemaker daemons) AC_SUBST(CRM_CORE_DIR) CRM_DAEMON_USER=`try_extract_header_define $GLUE_HEADER HA_CCMUSER hacluster` AC_DEFINE_UNQUOTED(CRM_DAEMON_USER,"$CRM_DAEMON_USER", User to run Pacemaker daemons as) AC_SUBST(CRM_DAEMON_USER) CRM_DAEMON_GROUP=`try_extract_header_define $GLUE_HEADER HA_APIGROUP haclient` AC_DEFINE_UNQUOTED(CRM_DAEMON_GROUP,"$CRM_DAEMON_GROUP", Group to run Pacemaker daemons as) AC_SUBST(CRM_DAEMON_GROUP) CRM_STATE_DIR=${localstatedir}/run/crm AC_DEFINE_UNQUOTED(CRM_STATE_DIR,"$CRM_STATE_DIR", Where to keep state files and sockets) AC_SUBST(CRM_STATE_DIR) CRM_BLACKBOX_DIR=${localstatedir}/lib/pacemaker/blackbox AC_DEFINE_UNQUOTED(CRM_BLACKBOX_DIR,"$CRM_BLACKBOX_DIR", Where to keep blackbox dumps) AC_SUBST(CRM_BLACKBOX_DIR) PE_STATE_DIR="${localstatedir}/lib/pacemaker/pengine" AC_DEFINE_UNQUOTED(PE_STATE_DIR,"$PE_STATE_DIR", Where to keep PEngine outputs) AC_SUBST(PE_STATE_DIR) CRM_CONFIG_DIR="${localstatedir}/lib/pacemaker/cib" AC_DEFINE_UNQUOTED(CRM_CONFIG_DIR,"$CRM_CONFIG_DIR", Where to keep configuration files) AC_SUBST(CRM_CONFIG_DIR) CRM_CONFIG_CTS="${localstatedir}/lib/pacemaker/cts" AC_DEFINE_UNQUOTED(CRM_CONFIG_CTS,"$CRM_CONFIG_CTS", Where to keep cts stateful data) AC_SUBST(CRM_CONFIG_CTS) CRM_LEGACY_CONFIG_DIR="${localstatedir}/lib/heartbeat/crm" AC_DEFINE_UNQUOTED(CRM_LEGACY_CONFIG_DIR,"$CRM_LEGACY_CONFIG_DIR", Where Pacemaker used to keep configuration files) AC_SUBST(CRM_LEGACY_CONFIG_DIR) CRM_DAEMON_DIR="${libexecdir}/pacemaker" AC_DEFINE_UNQUOTED(CRM_DAEMON_DIR,"$CRM_DAEMON_DIR", Location for Pacemaker daemons) AC_SUBST(CRM_DAEMON_DIR) HB_DAEMON_DIR=`try_extract_header_define $GLUE_HEADER HA_LIBHBDIR $libdir/heartbeat` AC_DEFINE_UNQUOTED(HB_DAEMON_DIR,"$HB_DAEMON_DIR", Location Heartbeat expects Pacemaker daemons to be in) AC_SUBST(HB_DAEMON_DIR) dnl Needed so that the Corosync plugin can clear out the directory as Heartbeat does HA_STATE_DIR=`try_extract_header_define $GLUE_HEADER HA_VARRUNDIR ${localstatedir}/run` AC_DEFINE_UNQUOTED(HA_STATE_DIR,"$HA_STATE_DIR", Where Heartbeat keeps state files and sockets) AC_SUBST(HA_STATE_DIR) CRM_RSCTMP_DIR=`try_extract_header_define agent_config.h HA_RSCTMPDIR $HA_STATE_DIR/resource-agents` AC_MSG_CHECKING(Scratch dir for resource agents) AC_MSG_RESULT($CRM_RSCTMP_DIR) AC_DEFINE_UNQUOTED(CRM_RSCTMP_DIR,"$CRM_RSCTMP_DIR", Where resource agents should keep state files) AC_SUBST(CRM_RSCTMP_DIR) dnl Needed for the location of hostcache in CTS.py HA_VARLIBHBDIR=`try_extract_header_define $GLUE_HEADER HA_VARLIBHBDIR ${localstatedir}/lib/heartbeat` AC_SUBST(HA_VARLIBHBDIR) AC_DEFINE_UNQUOTED(UUID_FILE,"$localstatedir/lib/heartbeat/hb_uuid", Location of Heartbeat's UUID file) OCF_ROOT_DIR=`try_extract_header_define $GLUE_HEADER OCF_ROOT_DIR /usr/lib/ocf` if test "X$OCF_ROOT_DIR" = X; then AC_MSG_ERROR(Could not locate OCF directory) fi AC_SUBST(OCF_ROOT_DIR) OCF_RA_DIR=`try_extract_header_define $GLUE_HEADER OCF_RA_DIR $OCF_ROOT_DIR/resource.d` AC_DEFINE_UNQUOTED(OCF_RA_DIR,"$OCF_RA_DIR", Location for OCF RAs) AC_SUBST(OCF_RA_DIR) RH_STONITH_DIR="$sbindir" AC_DEFINE_UNQUOTED(RH_STONITH_DIR,"$RH_STONITH_DIR", Location for Red Hat Stonith agents) RH_STONITH_PREFIX="fence_" AC_DEFINE_UNQUOTED(RH_STONITH_PREFIX,"$RH_STONITH_PREFIX", Prefix for Red Hat Stonith agents) AC_PATH_PROGS(GIT, git false) AC_MSG_CHECKING(build version) BUILD_VERSION=$Format:%h$ if test $BUILD_VERSION != ":%h$"; then AC_MSG_RESULT(archive hash: $BUILD_VERSION) elif test -x $GIT -a -d .git; then BUILD_VERSION=`$GIT log --pretty="format:%h" -n 1` AC_MSG_RESULT(git hash: $BUILD_VERSION) else # The current directory name make a reasonable default # Most generated archives will include the hash or tag BASE=`basename $PWD` BUILD_VERSION=`echo $BASE | sed s:.*[[Pp]]acemaker-::` AC_MSG_RESULT(directory based hash: $BUILD_VERSION) fi AC_DEFINE_UNQUOTED(BUILD_VERSION, "$BUILD_VERSION", Build version) AC_SUBST(BUILD_VERSION) HAVE_gio=1 HAVE_upstart=0 HAVE_systemd=0 PKG_CHECK_MODULES(GIO, gio-2.0, ,HAVE_gio=0) AC_CHECK_TYPE([GDBusProxy],,,[[#include ]]) if test x$ac_cv_type_GDBusProxy != xyes; then HAVE_gio=0 AC_MSG_WARN(Unable to support systemd/upstart. You need to use glib >= 2.26) fi if test $HAVE_gio = 1 -a "x${enable_upstart}" != xno; then HAVE_upstart=1 PCMK_FEATURES="$PCMK_FEATURES upstart" fi AC_DEFINE_UNQUOTED(SUPPORT_UPSTART, $HAVE_upstart, Support upstart based system services) AM_CONDITIONAL(BUILD_UPSTART, test $HAVE_upstart = 1) if $PKGCONFIG --exists systemd then systemdunitdir=`$PKGCONFIG --variable=systemdsystemunitdir systemd` AC_SUBST(systemdunitdir) else enable_systemd=no fi if test $HAVE_gio = 1 -a "x${enable_systemd}" != xno; then if test -n "$systemdunitdir" -a "x$systemdunitdir" != xno; then HAVE_systemd=1 PCMK_FEATURES="$PCMK_FEATURES systemd" fi fi AC_DEFINE_UNQUOTED(SUPPORT_SYSTEMD, $HAVE_systemd, Support systemd based system services) AM_CONDITIONAL(BUILD_SYSTEMD, test $HAVE_systemd = 1) case $SUPPORT_NAGIOS in 1|yes|true|try) SUPPORT_NAGIOS=1;; *) SUPPORT_NAGIOS=0;; esac if test $SUPPORT_NAGIOS = 1; then PCMK_FEATURES="$PCMK_FEATURES nagios" fi AC_DEFINE_UNQUOTED(SUPPORT_NAGIOS, $SUPPORT_NAGIOS, Support nagios plugins) AM_CONDITIONAL(BUILD_NAGIOS, test $SUPPORT_NAGIOS = 1) if test x"$NAGIOS_PLUGIN_DIR" = x""; then NAGIOS_PLUGIN_DIR="${libexecdir}/nagios/plugins" fi AC_DEFINE_UNQUOTED(NAGIOS_PLUGIN_DIR, "$NAGIOS_PLUGIN_DIR", Directory for nagios plugins) AC_SUBST(NAGIOS_PLUGIN_DIR) if test x"$NAGIOS_METADATA_DIR" = x""; then NAGIOS_METADATA_DIR="${datadir}/nagios/plugins-metadata" fi AC_DEFINE_UNQUOTED(NAGIOS_METADATA_DIR, "$NAGIOS_METADATA_DIR", Directory for nagios plugins metadata) AC_SUBST(NAGIOS_METADATA_DIR) STACKS="" CLUSTERLIBS="" dnl ======================================================================== dnl Cluster stack - Heartbeat dnl ======================================================================== case $SUPPORT_HEARTBEAT in 1|yes|true|try) AC_MSG_CHECKING(for heartbeat support) AC_CHECK_LIB(hbclient, ll_cluster_new, [SUPPORT_HEARTBEAT=1], [if test $SUPPORT_HEARTBEAT != try; then AC_MSG_FAILURE(Unable to support Heartbeat: client libraries not found) fi]) if test $SUPPORT_HEARTBEAT = 1 ; then STACKS="$STACKS heartbeat" dnl objdump -x ${libdir}/libccmclient.so | grep SONAME | awk '{print $2}' AC_DEFINE_UNQUOTED(CCM_LIBRARY, "libccmclient.so.1", Library to load for ccm support) AC_DEFINE_UNQUOTED(HEARTBEAT_LIBRARY, "libhbclient.so.1", Library to load for heartbeat support) else SUPPORT_HEARTBEAT=0 fi ;; *) SUPPORT_HEARTBEAT=0;; esac AM_CONDITIONAL(BUILD_HEARTBEAT_SUPPORT, test $SUPPORT_HEARTBEAT = 1) AC_DEFINE_UNQUOTED(SUPPORT_HEARTBEAT, $SUPPORT_HEARTBEAT, Support the Heartbeat messaging and membership layer) AC_SUBST(SUPPORT_HEARTBEAT) dnl ======================================================================== dnl Cluster stack - Corosync dnl ======================================================================== dnl Normalize the values case $SUPPORT_CS in 1|yes|true) SUPPORT_CS=yes missingisfatal=1;; try) missingisfatal=0;; *) SUPPORT_CS=no;; esac AC_MSG_CHECKING(for native corosync) COROSYNC_LIBS="" CS_USES_LIBQB=0 PCMK_SERVICE_ID=9 LCRSODIR="$libdir" if test $SUPPORT_CS = no; then AC_MSG_RESULT(no (disabled)) SUPPORT_CS=0 else AC_MSG_RESULT($SUPPORT_CS, with '$CSPREFIX') PKG_CHECK_MODULES(cpg, libcpg) dnl Fatal PKG_CHECK_MODULES(cfg, libcfg) dnl Fatal PKG_CHECK_MODULES(cmap, libcmap, HAVE_cmap=1, HAVE_cmap=0) PKG_CHECK_MODULES(cman, libcman, HAVE_cman=1, HAVE_cman=0) PKG_CHECK_MODULES(confdb, libconfdb, HAVE_confdb=1, HAVE_confdb=0) PKG_CHECK_MODULES(fenced, libfenced, HAVE_fenced=1, HAVE_fenced=0) PKG_CHECK_MODULES(quorum, libquorum, HAVE_quorum=1, HAVE_quorum=0) PKG_CHECK_MODULES(oldipc, libcoroipcc, HAVE_oldipc=1, HAVE_oldipc=0) if test $HAVE_oldipc = 1; then SUPPORT_CS=1 CFLAGS="$CFLAGS $oldipc_FLAGS $cpg_FLAGS $cfg_FLAGS" COROSYNC_LIBS="$COROSYNC_LIBS $oldipc_LIBS $cpg_LIBS $cfg_LIBS" elif test $HAVE_libqb = 1; then SUPPORT_CS=1 CS_USES_LIBQB=1 CFLAGS="$CFLAGS $libqb_FLAGS $cpg_FLAGS $cfg_FLAGS" COROSYNC_LIBS="$COROSYNC_LIBS $libqb_LIBS $cpg_LIBS $cfg_LIBS" AC_CHECK_LIB(corosync_common, cs_strerror) else aisreason="corosync/libqb IPC libraries not found by pkg_config" fi AC_DEFINE_UNQUOTED(HAVE_CONFDB, $HAVE_confdb, Have the old herarchial Corosync config API) AC_DEFINE_UNQUOTED(HAVE_CMAP, $HAVE_cmap, Have the new non-herarchial Corosync config API) fi if test $SUPPORT_CS = 1 -a x$HAVE_oldipc = x0 ; then dnl Support for plugins was removed about the time the IPC was dnl moved to libqb. dnl The only option now is the built-in quorum API CFLAGS="$CFLAGS $cmap_CFLAGS $quorum_CFLAGS" COROSYNC_LIBS="$COROSYNC_LIBS $cmap_LIBS $quorum_LIBS" STACKS="$STACKS corosync-native" AC_DEFINE_UNQUOTED(SUPPORT_CS_QUORUM, 1, Support the consumption of membership and quorum from corosync) fi SUPPORT_PLUGIN=0 if test $SUPPORT_CS = 1 -a x$HAVE_confdb = x1; then dnl Need confdb to support cman and the plugins SUPPORT_PLUGIN=1 LCRSODIR=`$PKGCONFIG corosync --variable=lcrsodir` STACKS="$STACKS corosync-plugin" COROSYNC_LIBS="$COROSYNC_LIBS $confdb_LIBS" if test $SUPPORT_CMAN != no; then if test $HAVE_cman = 1 -a $HAVE_fenced = 1; then SUPPORT_CMAN=1 STACKS="$STACKS cman" CFLAGS="$CFLAGS $cman_FLAGS $fenced_FLAGS" COROSYNC_LIBS="$COROSYNC_LIBS $cman_LIBS $fenced_LIBS" fi fi fi dnl Normalize SUPPORT_CS and SUPPORT_CMAN for use with #if directives if test $SUPPORT_CMAN != 1; then SUPPORT_CMAN=0 fi if test $SUPPORT_CS = 1; then CLUSTERLIBS="$CLUSTERLIBS $COROSYNC_LIBS" elif test $SUPPORT_CS != 0; then SUPPORT_CS=0 if test $missingisfatal = 0; then AC_MSG_WARN(Unable to support Corosync: $aisreason) else AC_MSG_FAILURE(Unable to support Corosync: $aisreason) fi fi AC_DEFINE_UNQUOTED(SUPPORT_COROSYNC, $SUPPORT_CS, Support the Corosync messaging and membership layer) AC_DEFINE_UNQUOTED(SUPPORT_CMAN, $SUPPORT_CMAN, Support the consumption of membership and quorum from cman) AC_DEFINE_UNQUOTED(CS_USES_LIBQB, $CS_USES_LIBQB, Does corosync use libqb for its ipc) AC_DEFINE_UNQUOTED(PCMK_SERVICE_ID, $PCMK_SERVICE_ID, Corosync service number) AC_DEFINE_UNQUOTED(SUPPORT_PLUGIN, $SUPPORT_PLUGIN, Support the Pacemaker plugin for Corosync) AM_CONDITIONAL(BUILD_CS_SUPPORT, test $SUPPORT_CS = 1) AM_CONDITIONAL(BUILD_CS_PLUGIN, test $SUPPORT_PLUGIN = 1) AM_CONDITIONAL(BUILD_CMAN, test $SUPPORT_CMAN = 1) AC_SUBST(SUPPORT_CMAN) AC_SUBST(SUPPORT_CS) dnl dnl Cluster stack - Sanity dnl if test x${enable_no_stack} = xyes; then AC_MSG_NOTICE(No cluster stack supported. Just building the Policy Engine) PCMK_FEATURES="$PCMK_FEATURES no-cluster-stack" else AC_MSG_CHECKING(for supported stacks) if test x"$STACKS" = x; then AC_MSG_FAILURE(You must support at least one cluster stack (heartbeat or corosync) ) fi AC_MSG_RESULT($STACKS) PCMK_FEATURES="$PCMK_FEATURES $STACKS" fi AC_SUBST(CLUSTERLIBS) AC_SUBST(LCRSODIR) dnl ======================================================================== dnl SNMP dnl ======================================================================== case $SUPPORT_SNMP in 1|yes|true) missingisfatal=1;; try) missingisfatal=0;; *) SUPPORT_SNMP=no;; esac SNMPLIBS="" AC_MSG_CHECKING(for snmp support) if test $SUPPORT_SNMP = no; then AC_MSG_RESULT(no (disabled)) SUPPORT_SNMP=0 else SNMPCONFIG="" AC_MSG_RESULT($SUPPORT_SNMP) AC_CHECK_HEADERS(net-snmp/net-snmp-config.h) if test "x${ac_cv_header_net_snmp_net_snmp_config_h}" != "xyes"; then SUPPORT_SNMP="no" fi if test $SUPPORT_SNMP != no; then AC_PATH_PROGS(SNMPCONFIG, net-snmp-config) if test "X${SNMPCONFIG}" = "X"; then AC_MSG_RESULT(You need the net_snmp development package to continue.) SUPPORT_SNMP=no fi fi if test $SUPPORT_SNMP != no; then AC_MSG_CHECKING(for special snmp libraries) SNMPLIBS=`$SNMPCONFIG --agent-libs` AC_MSG_RESULT($SNMPLIBS) fi if test $SUPPORT_SNMP != no; then savedLibs=$LIBS LIBS="$LIBS $SNMPLIBS" dnl On many systems libcrypto is needed when linking against libsnmp. dnl Check to see if it exists, and if so use it. dnl AC_CHECK_LIB(crypto, CRYPTO_free, CRYPTOLIB="-lcrypto",) dnl AC_SUBST(CRYPTOLIB) AC_CHECK_FUNCS(netsnmp_transport_open_client) if test $ac_cv_func_netsnmp_transport_open_client != yes; then AC_CHECK_FUNCS(netsnmp_tdomain_transport) if test $ac_cv_func_netsnmp_tdomain_transport != yes; then SUPPORT_SNMP=no else AC_DEFINE_UNQUOTED(NETSNMPV53, 1, [Use the older 5.3 version of the net-snmp API]) fi fi LIBS=$savedLibs fi if test $SUPPORT_SNMP = no; then SNMPLIBS="" SUPPORT_SNMP=0 if test $missingisfatal = 0; then AC_MSG_WARN(Unable to support SNMP) else AC_MSG_FAILURE(Unable to support SNMP) fi else SUPPORT_SNMP=1 fi fi if test $SUPPORT_SNMP = 1; then PCMK_FEATURES="$PCMK_FEATURES snmp" fi AC_SUBST(SNMPLIBS) AM_CONDITIONAL(ENABLE_SNMP, test "$SUPPORT_SNMP" = "1") AC_DEFINE_UNQUOTED(ENABLE_SNMP, $SUPPORT_SNMP, Build in support for sending SNMP traps) dnl ======================================================================== dnl ESMTP dnl ======================================================================== case $SUPPORT_ESMTP in 1|yes|true) missingisfatal=1;; try) missingisfatal=0;; *) SUPPORT_ESMTP=no;; esac ESMTPLIB="" AC_MSG_CHECKING(for esmtp support) if test $SUPPORT_ESMTP = no; then AC_MSG_RESULT(no (disabled)) SUPPORT_ESMTP=0 else ESMTPCONFIG="" AC_MSG_RESULT($SUPPORT_ESMTP) AC_CHECK_HEADERS(libesmtp.h) if test "x${ac_cv_header_libesmtp_h}" != "xyes"; then ENABLE_ESMTP="no" fi if test $SUPPORT_ESMTP != no; then AC_PATH_PROGS(ESMTPCONFIG, libesmtp-config) if test "X${ESMTPCONFIG}" = "X"; then AC_MSG_RESULT(You need the libesmtp development package to continue.) SUPPORT_ESMTP=no fi fi if test $SUPPORT_ESMTP != no; then AC_MSG_CHECKING(for special esmtp libraries) ESMTPLIBS=`$ESMTPCONFIG --libs | tr '\n' ' '` AC_MSG_RESULT($ESMTPLIBS) fi if test $SUPPORT_ESMTP = no; then SUPPORT_ESMTP=0 if test $missingisfatal = 0; then AC_MSG_WARN(Unable to support ESMTP) else AC_MSG_FAILURE(Unable to support ESMTP) fi else SUPPORT_ESMTP=1 PCMK_FEATURES="$PCMK_FEATURES libesmtp" fi fi AC_SUBST(ESMTPLIBS) AM_CONDITIONAL(ENABLE_ESMTP, test "$SUPPORT_ESMTP" = "1") AC_DEFINE_UNQUOTED(ENABLE_ESMTP, $SUPPORT_ESMTP, Build in support for sending mail notifications with ESMTP) dnl ======================================================================== dnl ACL dnl ======================================================================== case $SUPPORT_ACL in 1|yes|true) missingisfatal=1;; try) missingisfatal=0;; *) SUPPORT_ACL=no;; esac AC_MSG_CHECKING(for acl support) if test $SUPPORT_ACL = no; then AC_MSG_RESULT(no (disabled)) SUPPORT_ACL=0 else AC_MSG_RESULT($SUPPORT_ACL) SUPPORT_ACL=1 AC_CHECK_LIB(qb, qb_ipcs_connection_auth_set) if test $ac_cv_lib_qb_qb_ipcs_connection_auth_set != yes; then SUPPORT_ACL=0 fi if test $SUPPORT_ACL = 0; then if test $missingisfatal = 0; then AC_MSG_WARN(Unable to support ACL. You need to use libqb > 0.13.0) else AC_MSG_FAILURE(Unable to support ACL. You need to use libqb > 0.13.0) fi fi fi if test $SUPPORT_ACL = 1; then PCMK_FEATURES="$PCMK_FEATURES acls" fi AM_CONDITIONAL(ENABLE_ACL, test "$SUPPORT_ACL" = "1") AC_DEFINE_UNQUOTED(ENABLE_ACL, $SUPPORT_ACL, Build in support for CIB ACL) dnl ======================================================================== dnl CIB secrets dnl ======================================================================== case $SUPPORT_CIBSECRETS in 1|yes|true|try) SUPPORT_CIBSECRETS=1;; *) SUPPORT_CIBSECRETS=0;; esac AC_DEFINE_UNQUOTED(SUPPORT_CIBSECRETS, $SUPPORT_CIBSECRETS, Support CIB secrets) AM_CONDITIONAL(BUILD_CIBSECRETS, test $SUPPORT_CIBSECRETS = 1) if test $SUPPORT_CIBSECRETS = 1; then PCMK_FEATURES="$PCMK_FEATURES cibsecrets" LRM_CIBSECRETS_DIR="${localstatedir}/lib/pacemaker/lrm/secrets" AC_DEFINE_UNQUOTED(LRM_CIBSECRETS_DIR,"$LRM_CIBSECRETS_DIR", Location for CIB secrets) AC_SUBST(LRM_CIBSECRETS_DIR) LRM_LEGACY_CIBSECRETS_DIR="${localstatedir}/lib/heartbeat/lrm/secrets" AC_DEFINE_UNQUOTED(LRM_LEGACY_CIBSECRETS_DIR,"$LRM_LEGACY_CIBSECRETS_DIR", Legacy location for CIB secrets) AC_SUBST(LRM_LEGACY_CIBSECRETS_DIR) fi dnl ======================================================================== dnl GnuTLS dnl ======================================================================== AC_CHECK_HEADERS(gnutls/gnutls.h) AC_CHECK_HEADERS(security/pam_appl.h pam/pam_appl.h) dnl GNUTLS library: Attempt to determine by 'libgnutls-config' program. dnl If no 'libgnutls-config', try traditional autoconf means. AC_PATH_PROGS(LIBGNUTLS_CONFIG, libgnutls-config) if test -n "$LIBGNUTLS_CONFIG"; then AC_MSG_CHECKING(for gnutls header flags) GNUTLSHEAD="`$LIBGNUTLS_CONFIG --cflags`"; AC_MSG_RESULT($GNUTLSHEAD) AC_MSG_CHECKING(for gnutls library flags) GNUTLSLIBS="`$LIBGNUTLS_CONFIG --libs`"; AC_MSG_RESULT($GNUTLSLIBS) fi AC_CHECK_LIB(gnutls, gnutls_init) AC_CHECK_FUNCS(gnutls_priority_set_direct) AC_SUBST(GNUTLSHEAD) AC_SUBST(GNUTLSLIBS) dnl ======================================================================== dnl System Health dnl ======================================================================== dnl Check if servicelog development package is installed SERVICELOG=servicelog-1 SERVICELOG_EXISTS="no" AC_MSG_CHECKING(for $SERVICELOG packages) if $PKGCONFIG --exists $SERVICELOG then PKG_CHECK_MODULES([SERVICELOG], [servicelog-1]) SERVICELOG_EXISTS="yes" fi AC_MSG_RESULT($SERVICELOG_EXISTS) AM_CONDITIONAL(BUILD_SERVICELOG, test "$SERVICELOG_EXISTS" = "yes") dnl Check if OpenIMPI packages and servicelog are installed OPENIPMI="OpenIPMI OpenIPMIposix" OPENIPMI_SERVICELOG_EXISTS="no" AC_MSG_CHECKING(for $SERVICELOG $OPENIPMI packages) if $PKGCONFIG --exists $OPENIPMI $SERVICELOG then PKG_CHECK_MODULES([OPENIPMI_SERVICELOG],[OpenIPMI OpenIPMIposix]) OPENIPMI_SERVICELOG_EXISTS="yes" fi AC_MSG_RESULT($OPENIPMI_SERVICELOG_EXISTS) AM_CONDITIONAL(BUILD_OPENIPMI_SERVICELOG, test "$OPENIPMI_SERVICELOG_EXISTS" = "yes") dnl ======================================================================== dnl Compiler flags dnl ======================================================================== dnl Make sure that CFLAGS is not exported. If the user did dnl not have CFLAGS in their environment then this should have dnl no effect. However if CFLAGS was exported from the user's dnl environment, then the new CFLAGS will also be exported dnl to sub processes. CC_ERRORS="" CC_EXTRAS="" if export | fgrep " CFLAGS=" > /dev/null; then SAVED_CFLAGS="$CFLAGS" unset CFLAGS CFLAGS="$SAVED_CFLAGS" unset SAVED_CFLAGS fi if test "$GCC" != yes; then CFLAGS="$CFLAGS -g" enable_fatal_warnings=no else CFLAGS="$CFLAGS -ggdb" # We had to eliminate -Wnested-externs because of libtool changes EXTRA_FLAGS="-fgnu89-inline -fstack-protector-all -Wall -Waggregate-return -Wbad-function-cast -Wcast-align -Wdeclaration-after-statement -Wendif-labels -Wfloat-equal -Wformat=2 -Wformat-security -Wformat-nonliteral -Wmissing-prototypes -Wmissing-declarations -Wnested-externs -Wno-long-long -Wno-strict-aliasing -Wunused-but-set-variable -Wpointer-arith -Wstrict-prototypes -Wunsigned-char -Wwrite-strings" # Additional warnings it might be nice to enable one day # -Wshadow # -Wunreachable-code for j in $EXTRA_FLAGS do if cc_supports_flag $j then CC_EXTRAS="$CC_EXTRAS $j" fi done dnl In lib/ais/Makefile.am there's a gcc option available as of v4.x GCC_MAJOR=`gcc -v 2>&1 | awk 'END{print $3}' | sed 's/[.].*//'` AM_CONDITIONAL(GCC_4, test "${GCC_MAJOR}" = 4) dnl System specific options case "$host_os" in *linux*|*bsd*) if test "${enable_fatal_warnings}" = "unknown"; then enable_fatal_warnings=yes fi ;; esac if test "x${enable_fatal_warnings}" != xno && cc_supports_flag -Werror ; then enable_fatal_warnings=yes else enable_fatal_warnings=no fi if test "x${enable_ansi}" = xyes && cc_supports_flag -std=iso9899:199409 ; then AC_MSG_NOTICE(Enabling ANSI Compatibility) CC_EXTRAS="$CC_EXTRAS -ansi -D_GNU_SOURCE -DANSI_ONLY" fi AC_MSG_NOTICE(Activated additional gcc flags: ${CC_EXTRAS}) fi CFLAGS="$CFLAGS $CC_EXTRAS" NON_FATAL_CFLAGS="$CFLAGS" AC_SUBST(NON_FATAL_CFLAGS) dnl dnl We reset CFLAGS to include our warnings *after* all function dnl checking goes on, so that our warning flags don't keep the dnl AC_*FUNCS() calls above from working. In particular, -Werror will dnl *always* cause us troubles if we set it before here. dnl dnl if test "x${enable_fatal_warnings}" = xyes ; then AC_MSG_NOTICE(Enabling Fatal Warnings) CFLAGS="$CFLAGS -Werror" fi AC_SUBST(CFLAGS) dnl This is useful for use in Makefiles that need to remove one specific flag CFLAGS_COPY="$CFLAGS" AC_SUBST(CFLAGS_COPY) AC_SUBST(LIBADD_DL) dnl extra flags for dynamic linking libraries AC_SUBST(LIBADD_INTL) dnl extra flags for GNU gettext stuff... AC_SUBST(LOCALE) dnl Options for cleaning up the compiler output QUIET_LIBTOOL_OPTS="" QUIET_MAKE_OPTS="" if test "x${enable_quiet}" = "xyes"; then QUIET_LIBTOOL_OPTS="--quiet" QUIET_MAKE_OPTS="--quiet" fi AC_MSG_RESULT(Supress make details: ${enable_quiet}) dnl Put the above variables to use LIBTOOL="${LIBTOOL} --tag=CC \$(QUIET_LIBTOOL_OPTS)" MAKE="${MAKE} \$(QUIET_MAKE_OPTS)" AC_SUBST(CC) AC_SUBST(MAKE) AC_SUBST(LIBTOOL) AC_SUBST(QUIET_MAKE_OPTS) AC_SUBST(QUIET_LIBTOOL_OPTS) AC_DEFINE_UNQUOTED(CRM_FEATURES, "$PCMK_FEATURES", Set of enabled features) AC_SUBST(PCMK_FEATURES) dnl The Makefiles and shell scripts we output AC_CONFIG_FILES(Makefile \ Doxyfile \ coverage.sh \ cts/Makefile \ cts/CTSvars.py \ cts/LSBDummy \ cts/benchmark/Makefile \ cts/benchmark/clubench \ cts/lxc_autogen.sh \ cib/Makefile \ attrd/Makefile \ crmd/Makefile \ pengine/Makefile \ pengine/regression.core.sh \ doc/Makefile \ doc/Pacemaker_Explained/publican.cfg \ doc/Clusters_from_Scratch/publican.cfg \ doc/Pacemaker_Remote/publican.cfg \ include/Makefile \ include/crm/Makefile \ include/crm/cib/Makefile \ include/crm/common/Makefile \ include/crm/cluster/Makefile \ include/crm/fencing/Makefile \ include/crm/pengine/Makefile \ replace/Makefile \ lib/Makefile \ lib/pacemaker.pc \ lib/pacemaker-cib.pc \ lib/pacemaker-lrmd.pc \ lib/pacemaker-service.pc \ lib/pacemaker-pengine.pc \ lib/pacemaker-fencing.pc \ lib/pacemaker-cluster.pc \ lib/ais/Makefile \ lib/common/Makefile \ lib/cluster/Makefile \ lib/cib/Makefile \ lib/pengine/Makefile \ lib/transition/Makefile \ lib/fencing/Makefile \ lib/lrmd/Makefile \ lib/services/Makefile \ mcp/Makefile \ mcp/pacemaker \ mcp/pacemaker.service \ mcp/pacemaker.upstart \ mcp/pacemaker.combined.upstart \ fencing/Makefile \ fencing/regression.py \ lrmd/Makefile \ lrmd/regression.py \ lrmd/pacemaker_remote.service \ lrmd/pacemaker_remote \ extra/Makefile \ extra/resources/Makefile \ extra/rgmanager/Makefile \ tools/Makefile \ tools/crm_report \ tools/report.common \ tools/cibsecret \ xml/Makefile \ lib/gnu/Makefile \ ) dnl Now process the entire list of files added by previous dnl calls to AC_CONFIG_FILES() AC_OUTPUT() dnl ***************** dnl Configure summary dnl ***************** AC_MSG_RESULT([]) AC_MSG_RESULT([$PACKAGE configuration:]) AC_MSG_RESULT([ Version = ${VERSION} (Build: $BUILD_VERSION)]) AC_MSG_RESULT([ Features =${PCMK_FEATURES}]) AC_MSG_RESULT([]) AC_MSG_RESULT([ Prefix = ${prefix}]) AC_MSG_RESULT([ Executables = ${sbindir}]) AC_MSG_RESULT([ Man pages = ${mandir}]) AC_MSG_RESULT([ Libraries = ${libdir}]) AC_MSG_RESULT([ Header files = ${includedir}]) AC_MSG_RESULT([ Arch-independent files = ${datadir}]) AC_MSG_RESULT([ State information = ${localstatedir}]) AC_MSG_RESULT([ System configuration = ${sysconfdir}]) AC_MSG_RESULT([ Corosync Plugins = ${LCRSODIR}]) AC_MSG_RESULT([]) AC_MSG_RESULT([ Use system LTDL = ${ac_cv_lib_ltdl_lt_dlopen}]) AC_MSG_RESULT([]) AC_MSG_RESULT([ HA group name = ${CRM_DAEMON_GROUP}]) AC_MSG_RESULT([ HA user name = ${CRM_DAEMON_USER}]) AC_MSG_RESULT([]) AC_MSG_RESULT([ CFLAGS = ${CFLAGS}]) AC_MSG_RESULT([ Libraries = ${LIBS}]) AC_MSG_RESULT([ Stack Libraries = ${CLUSTERLIBS}]) diff --git a/include/crm/common/ipc.h b/include/crm/common/ipc.h index 8492a62502..3118cf7058 100644 --- a/include/crm/common/ipc.h +++ b/include/crm/common/ipc.h @@ -1,81 +1,82 @@ /* * Copyright (C) 2013 Andrew Beekhof * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef CRM_COMMON_IPC__H # define CRM_COMMON_IPC__H /** * \file * \brief Wrappers for and extensions to libqb IPC * \ingroup core */ # include /* clplumbing based IPC */ # define create_reply(request, xml_response_data) create_reply_adv(request, xml_response_data, __FUNCTION__); xmlNode *create_reply_adv(xmlNode * request, xmlNode * xml_response_data, const char *origin); # define create_request(task, xml_data, host_to, sys_to, sys_from, uuid_from) create_request_adv(task, xml_data, host_to, sys_to, sys_from, uuid_from, __FUNCTION__) xmlNode *create_request_adv(const char *task, xmlNode * xml_data, const char *host_to, const char *sys_to, const char *sys_from, const char *uuid_from, const char *origin); /* *INDENT-OFF* */ enum crm_ipc_flags { crm_ipc_flags_none = 0x00000000, crm_ipc_compressed = 0x00000001, /* Message has been compressed */ crm_ipc_proxied = 0x00000100, /* _ALL_ replies to proxied connections need to be sent as events */ crm_ipc_client_response = 0x00000200, /* A Response is expected in reply */ /* These options are just options for crm_ipcs_sendv() */ crm_ipc_server_event = 0x00010000, /* Send an Event instead of a Response */ crm_ipc_server_free = 0x00020000, /* Free the iovec after sending */ crm_ipc_server_info = 0x00100000, /* Log failures as LOG_INFO */ crm_ipc_server_error = 0x00200000, /* Log failures as LOG_ERR */ }; /* *INDENT-ON* */ # include typedef struct crm_ipc_s crm_ipc_t; crm_ipc_t *crm_ipc_new(const char *name, size_t max_size); bool crm_ipc_connect(crm_ipc_t * client); void crm_ipc_close(crm_ipc_t * client); void crm_ipc_destroy(crm_ipc_t * client); int crm_ipc_send(crm_ipc_t * client, xmlNode * message, enum crm_ipc_flags flags, int32_t ms_timeout, xmlNode ** reply); int crm_ipc_get_fd(crm_ipc_t * client); bool crm_ipc_connected(crm_ipc_t * client); int crm_ipc_ready(crm_ipc_t * client); long crm_ipc_read(crm_ipc_t * client); const char *crm_ipc_buffer(crm_ipc_t * client); const char *crm_ipc_name(crm_ipc_t * client); +int crm_ipc_default_buffer_size(void); /* Utils */ xmlNode *create_hello_message(const char *uuid, const char *client_name, const char *major_version, const char *minor_version); #endif diff --git a/lib/common/ipc.c b/lib/common/ipc.c index 175bb3c685..0fe275901c 100644 --- a/lib/common/ipc.c +++ b/lib/common/ipc.c @@ -1,1229 +1,1236 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define PCMK_IPC_VERSION 1 struct crm_ipc_response_header { struct qb_ipc_response_header qb; uint32_t size_uncompressed; uint32_t size_compressed; uint32_t flags; uint8_t version; /* Protect against version changes for anyone that might bother to statically link us */ }; static int hdr_offset = 0; static int ipc_buffer_max = 0; static int pick_ipc_buffer(int max); static inline void crm_ipc_init(void) { if (hdr_offset == 0) { hdr_offset = sizeof(struct crm_ipc_response_header); } if (ipc_buffer_max == 0) { ipc_buffer_max = pick_ipc_buffer(0); } } +int +crm_ipc_default_buffer_size(void) +{ + return pick_ipc_buffer(0); +} + static char * generateReference(const char *custom1, const char *custom2) { static uint ref_counter = 0; const char *local_cust1 = custom1; const char *local_cust2 = custom2; int reference_len = 4; char *since_epoch = NULL; reference_len += 20; /* too big */ reference_len += 40; /* too big */ if (local_cust1 == NULL) { local_cust1 = "_empty_"; } reference_len += strlen(local_cust1); if (local_cust2 == NULL) { local_cust2 = "_empty_"; } reference_len += strlen(local_cust2); since_epoch = calloc(1, reference_len); if (since_epoch != NULL) { sprintf(since_epoch, "%s-%s-%ld-%u", local_cust1, local_cust2, (unsigned long)time(NULL), ref_counter++); } return since_epoch; } xmlNode * create_request_adv(const char *task, xmlNode * msg_data, const char *host_to, const char *sys_to, const char *sys_from, const char *uuid_from, const char *origin) { char *true_from = NULL; xmlNode *request = NULL; char *reference = generateReference(task, sys_from); if (uuid_from != NULL) { true_from = generate_hash_key(sys_from, uuid_from); } else if (sys_from != NULL) { true_from = strdup(sys_from); } else { crm_err("No sys from specified"); } /* host_from will get set for us if necessary by CRMd when routed */ request = create_xml_node(NULL, __FUNCTION__); crm_xml_add(request, F_CRM_ORIGIN, origin); crm_xml_add(request, F_TYPE, T_CRM); crm_xml_add(request, F_CRM_VERSION, CRM_FEATURE_SET); crm_xml_add(request, F_CRM_MSG_TYPE, XML_ATTR_REQUEST); crm_xml_add(request, F_CRM_REFERENCE, reference); crm_xml_add(request, F_CRM_TASK, task); crm_xml_add(request, F_CRM_SYS_TO, sys_to); crm_xml_add(request, F_CRM_SYS_FROM, true_from); /* HOSTTO will be ignored if it is to the DC anyway. */ if (host_to != NULL && strlen(host_to) > 0) { crm_xml_add(request, F_CRM_HOST_TO, host_to); } if (msg_data != NULL) { add_message_xml(request, F_CRM_DATA, msg_data); } free(reference); free(true_from); return request; } /* * This method adds a copy of xml_response_data */ xmlNode * create_reply_adv(xmlNode * original_request, xmlNode * xml_response_data, const char *origin) { xmlNode *reply = NULL; const char *host_from = crm_element_value(original_request, F_CRM_HOST_FROM); const char *sys_from = crm_element_value(original_request, F_CRM_SYS_FROM); const char *sys_to = crm_element_value(original_request, F_CRM_SYS_TO); const char *type = crm_element_value(original_request, F_CRM_MSG_TYPE); const char *operation = crm_element_value(original_request, F_CRM_TASK); const char *crm_msg_reference = crm_element_value(original_request, F_CRM_REFERENCE); if (type == NULL) { crm_err("Cannot create new_message, no message type in original message"); CRM_ASSERT(type != NULL); return NULL; #if 0 } else if (strcasecmp(XML_ATTR_REQUEST, type) != 0) { crm_err("Cannot create new_message, original message was not a request"); return NULL; #endif } reply = create_xml_node(NULL, __FUNCTION__); if (reply == NULL) { crm_err("Cannot create new_message, malloc failed"); return NULL; } crm_xml_add(reply, F_CRM_ORIGIN, origin); crm_xml_add(reply, F_TYPE, T_CRM); crm_xml_add(reply, F_CRM_VERSION, CRM_FEATURE_SET); crm_xml_add(reply, F_CRM_MSG_TYPE, XML_ATTR_RESPONSE); crm_xml_add(reply, F_CRM_REFERENCE, crm_msg_reference); crm_xml_add(reply, F_CRM_TASK, operation); /* since this is a reply, we reverse the from and to */ crm_xml_add(reply, F_CRM_SYS_TO, sys_from); crm_xml_add(reply, F_CRM_SYS_FROM, sys_to); /* HOSTTO will be ignored if it is to the DC anyway. */ if (host_from != NULL && strlen(host_from) > 0) { crm_xml_add(reply, F_CRM_HOST_TO, host_from); } if (xml_response_data != NULL) { add_message_xml(reply, F_CRM_DATA, xml_response_data); } return reply; } /* Libqb based IPC */ /* Server... */ GHashTable *client_connections = NULL; crm_client_t * crm_client_get(qb_ipcs_connection_t * c) { if (client_connections) { return g_hash_table_lookup(client_connections, c); } crm_trace("No client found for %p", c); return NULL; } crm_client_t * crm_client_get_by_id(const char *id) { gpointer key; crm_client_t *client; GHashTableIter iter; if (client_connections && id) { g_hash_table_iter_init(&iter, client_connections); while (g_hash_table_iter_next(&iter, &key, (gpointer *) & client)) { if (strcmp(client->id, id) == 0) { return client; } } } crm_trace("No client found with id=%s", id); return NULL; } const char * crm_client_name(crm_client_t * c) { if (c == NULL) { return "null"; } else if (c->name == NULL && c->id == NULL) { return "unknown"; } else if (c->name == NULL) { return c->id; } else { return c->name; } } void crm_client_init(void) { if (client_connections == NULL) { crm_trace("Creating client hash table"); client_connections = g_hash_table_new(g_direct_hash, g_direct_equal); } } void crm_client_cleanup(void) { if (client_connections != NULL) { int active = g_hash_table_size(client_connections); if (active) { crm_err("Exiting with %d active connections", active); } g_hash_table_destroy(client_connections); client_connections = NULL; } } void crm_client_disconnect_all(qb_ipcs_service_t *service) { qb_ipcs_connection_t *c = qb_ipcs_connection_first_get(service); while (c != NULL) { qb_ipcs_connection_t *last = c; c = qb_ipcs_connection_next_get(service, last); /* There really shouldn't be anyone connected at this point */ crm_notice("Disconnecting client %p, pid=%d...", last, crm_ipcs_client_pid(last)); qb_ipcs_disconnect(last); qb_ipcs_connection_unref(last); } } crm_client_t * crm_client_new(qb_ipcs_connection_t * c, uid_t uid_client, gid_t gid_client) { static uid_t uid_server = 0; static gid_t gid_cluster = 0; crm_client_t *client = NULL; CRM_LOG_ASSERT(c); if (c == NULL) { return NULL; } if (gid_cluster == 0) { uid_server = getuid(); if(crm_user_lookup(CRM_DAEMON_USER, NULL, &gid_cluster) < 0) { static bool have_error = FALSE; if(have_error == FALSE) { crm_warn("Could not find group for user %s", CRM_DAEMON_USER); have_error = TRUE; } } } if(gid_cluster != 0 && gid_client != 0) { uid_t best_uid = -1; /* Passing -1 to chown(2) means don't change */ if(uid_client == 0 || uid_server == 0) { /* Someone is priveliged, but the other may not be */ best_uid = QB_MAX(uid_client, uid_server); crm_trace("Allowing user %u to clean up after disconnect", best_uid); } crm_trace("Giving access to group %u", gid_cluster); qb_ipcs_connection_auth_set(c, best_uid, gid_cluster, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP); } crm_client_init(); client = calloc(1, sizeof(crm_client_t)); client->ipcs = c; client->kind = CRM_CLIENT_IPC; client->pid = crm_ipcs_client_pid(c); client->id = crm_generate_uuid(); crm_info("Connecting %p for uid=%d gid=%d pid=%u id=%s", c, uid_client, gid_client, client->pid, client->id); #if ENABLE_ACL client->user = uid2username(uid_client); #endif g_hash_table_insert(client_connections, c, client); return client; } void crm_client_destroy(crm_client_t * c) { if (c == NULL) { return; } if (client_connections) { if (c->ipcs) { crm_trace("Destroying %p/%p (%d remaining)", c, c->ipcs, crm_hash_table_size(client_connections) - 1); g_hash_table_remove(client_connections, c->ipcs); } else { crm_trace("Destroying remote connection %p (%d remaining)", c, crm_hash_table_size(client_connections) - 1); g_hash_table_remove(client_connections, c->id); } } if (c->event_timer) { g_source_remove(c->event_timer); } crm_info("Destroying %d events", g_list_length(c->event_queue)); while (c->event_queue) { struct iovec *event = c->event_queue->data; c->event_queue = g_list_remove(c->event_queue, event); free(event[0].iov_base); free(event[1].iov_base); free(event); } free(c->id); free(c->name); free(c->user); if (c->remote) { if (c->remote->auth_timeout) { g_source_remove(c->remote->auth_timeout); } free(c->remote->buffer); free(c->remote); } free(c); } int crm_ipcs_client_pid(qb_ipcs_connection_t * c) { struct qb_ipcs_connection_stats stats; stats.client_pid = 0; qb_ipcs_connection_stats_get(c, &stats, 0); return stats.client_pid; } xmlNode * crm_ipcs_recv(crm_client_t * c, void *data, size_t size, uint32_t * id, uint32_t * flags) { xmlNode *xml = NULL; char *uncompressed = NULL; char *text = ((char *)data) + sizeof(struct crm_ipc_response_header); struct crm_ipc_response_header *header = data; if (id) { *id = ((struct qb_ipc_response_header *)data)->id; } if (flags) { *flags = header->flags; } if(header->version > PCMK_IPC_VERSION) { crm_err("Filtering incompatible v%d IPC message, we only support versions <= %d", header->version, PCMK_IPC_VERSION); return NULL; } if (header->size_compressed) { int rc = 0; unsigned int size_u = 1 + header->size_uncompressed; uncompressed = calloc(1, size_u); crm_trace("Decompressing message data %d bytes into %d bytes", header->size_compressed, size_u); rc = BZ2_bzBuffToBuffDecompress(uncompressed, &size_u, text, header->size_compressed, 1, 0); text = uncompressed; if (rc != BZ_OK) { crm_err("Decompression failed: %s (%d)", bz2_strerror(rc), rc); free(uncompressed); return NULL; } } CRM_ASSERT(text[header->size_uncompressed - 1] == 0); crm_trace("Received %.200s", text); xml = string2xml(text); free(uncompressed); return xml; } ssize_t crm_ipcs_flush_events(crm_client_t * c); static gboolean crm_ipcs_flush_events_cb(gpointer data) { crm_client_t *c = data; c->event_timer = 0; crm_ipcs_flush_events(c); return FALSE; } ssize_t crm_ipcs_flush_events(crm_client_t * c) { int sent = 0; ssize_t rc = 0; int queue_len = 0; if (c == NULL) { return pcmk_ok; } else if (c->event_timer) { /* There is already a timer, wait until it goes off */ crm_trace("Timer active for %p - %d", c->ipcs, c->event_timer); return pcmk_ok; } queue_len = g_list_length(c->event_queue); while (c->event_queue && sent < 100) { struct crm_ipc_response_header *header = NULL; struct iovec *event = c->event_queue->data; rc = qb_ipcs_event_sendv(c->ipcs, event, 2); if (rc < 0) { break; } sent++; header = event[0].iov_base; if (header->size_compressed) { crm_trace("Event %d to %p[%d] (%d compressed bytes) sent", header->qb.id, c->ipcs, c->pid, rc); } else { crm_trace("Event %d to %p[%d] (%d bytes) sent: %.120s", header->qb.id, c->ipcs, c->pid, rc, event[1].iov_base); } c->event_queue = g_list_remove(c->event_queue, event); free(event[0].iov_base); free(event[1].iov_base); free(event); } queue_len -= sent; if (sent > 0 || c->event_queue) { crm_trace("Sent %d events (%d remaining) for %p[%d]: %s (%d)", sent, queue_len, c->ipcs, c->pid, pcmk_strerror(rc < 0 ? rc : 0), rc); } if (c->event_queue) { if (queue_len % 100 == 0 && queue_len > 99) { crm_warn("Event queue for %p[%d] has grown to %d", c->ipcs, c->pid, queue_len); } else if (queue_len > 500) { crm_err("Evicting slow client %p[%d]: event queue reached %d entries", c->ipcs, c->pid, queue_len); qb_ipcs_disconnect(c->ipcs); return rc; } c->event_timer = g_timeout_add(1000 + 100 * queue_len, crm_ipcs_flush_events_cb, c); } return rc; } ssize_t crm_ipc_prepare(uint32_t request, xmlNode * message, struct iovec ** result, int32_t max_send_size) { static int biggest = 0; struct iovec *iov; unsigned int total = 0; char *compressed = NULL; char *buffer = dump_xml_unformatted(message); struct crm_ipc_response_header *header = calloc(1, sizeof(struct crm_ipc_response_header)); CRM_ASSERT(result != NULL); crm_ipc_init(); if (max_send_size == 0) { max_send_size = ipc_buffer_max; } CRM_LOG_ASSERT(max_send_size != 0); *result = NULL; iov = calloc(2, sizeof(struct iovec)); iov[0].iov_len = hdr_offset; iov[0].iov_base = header; header->version = PCMK_IPC_VERSION; header->size_uncompressed = 1 + strlen(buffer); total = iov[0].iov_len + header->size_uncompressed; if (total < max_send_size) { iov[1].iov_base = buffer; iov[1].iov_len = header->size_uncompressed; } else { unsigned int new_size = 0; if (crm_compress_string (buffer, header->size_uncompressed, max_send_size, &compressed, &new_size)) { header->flags |= crm_ipc_compressed; header->size_compressed = new_size; iov[1].iov_len = header->size_compressed; iov[1].iov_base = compressed; free(buffer); if (header->size_compressed > biggest) { biggest = 2 * QB_MAX(header->size_compressed, biggest); } } else { ssize_t rc = -EMSGSIZE; crm_log_xml_trace(message, "EMSGSIZE"); biggest = 2 * QB_MAX(header->size_uncompressed, biggest); crm_err ("Could not compress the message into less than the configured ipc limit (%d bytes)." "Set PCMK_ipc_buffer to a higher value (%d bytes suggested)", max_send_size, biggest); free(compressed); free(buffer); free(header); free(iov); return rc; } } header->qb.size = iov[0].iov_len + iov[1].iov_len; header->qb.id = (int32_t)request; /* Replying to a specific request */ *result = iov; return header->qb.size; } ssize_t crm_ipcs_sendv(crm_client_t * c, struct iovec * iov, enum crm_ipc_flags flags) { ssize_t rc; static uint32_t id = 1; struct crm_ipc_response_header *header = iov[0].iov_base; if (flags & crm_ipc_proxied) { /* _ALL_ replies to proxied connections need to be sent as events */ flags |= crm_ipc_server_event; } if (flags & crm_ipc_server_event) { header->qb.id = id++; /* We don't really use it, but doesn't hurt to set one */ if (flags & crm_ipc_server_free) { crm_trace("Sending the original to %p[%d]", c->ipcs, c->pid); c->event_queue = g_list_append(c->event_queue, iov); } else { struct iovec *iov_copy = calloc(2, sizeof(struct iovec)); crm_trace("Sending a copy to %p[%d]", c->ipcs, c->pid); iov_copy[0].iov_len = iov[0].iov_len; iov_copy[0].iov_base = malloc(iov[0].iov_len); memcpy(iov_copy[0].iov_base, iov[0].iov_base, iov[0].iov_len); iov_copy[1].iov_len = iov[1].iov_len; iov_copy[1].iov_base = malloc(iov[1].iov_len); memcpy(iov_copy[1].iov_base, iov[1].iov_base, iov[1].iov_len); c->event_queue = g_list_append(c->event_queue, iov_copy); } } else { CRM_LOG_ASSERT(header->qb.id != 0); /* Replying to a specific request */ rc = qb_ipcs_response_sendv(c->ipcs, iov, 2); if (rc < header->qb.size) { crm_notice("Response %d to %p[%d] (%d bytes) failed: %s (%d)", header->qb.id, c->ipcs, c->pid, header->qb.size, pcmk_strerror(rc), rc); } else { crm_trace("Response %d sent, %d bytes to %p[%d]", header->qb.id, rc, c->ipcs, c->pid); } if (flags & crm_ipc_server_free) { free(iov[0].iov_base); free(iov[1].iov_base); free(iov); } } if (flags & crm_ipc_server_event) { rc = crm_ipcs_flush_events(c); } else { crm_ipcs_flush_events(c); } if (rc == -EPIPE || rc == -ENOTCONN) { crm_trace("Client %p disconnected", c->ipcs); } return rc; } ssize_t crm_ipcs_send(crm_client_t * c, uint32_t request, xmlNode * message, enum crm_ipc_flags flags) { struct iovec *iov = NULL; ssize_t rc = 0; - int32_t max_msg_size = 0; if(c == NULL) { return -EDESTADDRREQ; } crm_ipc_init(); - /* when sending from server to client, we need to use the client's - * max buffer size if possible */ - max_msg_size = ipc_buffer_max; -#ifdef HAVE_IPCS_GET_BUFFER_SIZE - max_msg_size = qb_ipcs_connection_get_buffer_size(c->ipcs); -#endif - - rc = crm_ipc_prepare(request, message, &iov, max_msg_size); + rc = crm_ipc_prepare(request, message, &iov, ipc_buffer_max); if (rc > 0) { rc = crm_ipcs_sendv(c, iov, flags | crm_ipc_server_free); } else { free(iov); crm_notice("Message to %p[%d] failed: %s (%d)", c->ipcs, c->pid, pcmk_strerror(rc), rc); } return rc; } void crm_ipcs_send_ack(crm_client_t * c, uint32_t request, uint32_t flags, const char *tag, const char *function, int line) { if (flags & crm_ipc_client_response) { xmlNode *ack = create_xml_node(NULL, tag); crm_trace("Ack'ing msg from %s (%p)", crm_client_name(c), c); c->request_id = 0; crm_xml_add(ack, "function", function); crm_xml_add_int(ack, "line", line); crm_ipcs_send(c, request, ack, flags); free_xml(ack); } } /* Client... */ #define MIN_MSG_SIZE 12336 /* sizeof(struct qb_ipc_connection_response) */ #define MAX_MSG_SIZE 128*1024 /* 128k default */ struct crm_ipc_s { struct pollfd pfd; /* the max size we can send/receive over ipc */ int max_buf_size; /* Size of the allocated 'buffer' */ int buf_size; int msg_size; int need_reply; char *buffer; char *name; qb_ipcc_connection_t *ipc; }; static int pick_ipc_buffer(int max) { static int global_max = 0; if(global_max == 0) { const char *env = getenv("PCMK_ipc_buffer"); if (env) { global_max = crm_parse_int(env, "0"); } else { global_max = MAX_MSG_SIZE; } } return QB_MAX(max, global_max); } crm_ipc_t * crm_ipc_new(const char *name, size_t max_size) { crm_ipc_t *client = NULL; client = calloc(1, sizeof(crm_ipc_t)); client->name = strdup(name); client->buf_size = pick_ipc_buffer(max_size); client->buffer = malloc(client->buf_size); /* Clients initiating connection pick the max buf size */ client->max_buf_size = client->buf_size; client->pfd.fd = -1; client->pfd.events = POLLIN; client->pfd.revents = 0; return client; } bool crm_ipc_connect(crm_ipc_t * client) { client->need_reply = FALSE; client->ipc = qb_ipcc_connect(client->name, client->buf_size); if (client->ipc == NULL) { crm_perror(LOG_INFO, "Could not establish %s connection", client->name); return FALSE; } client->pfd.fd = crm_ipc_get_fd(client); if (client->pfd.fd < 0) { crm_perror(LOG_INFO, "Could not obtain file descriptor for %s connection", client->name); return FALSE; } qb_ipcc_context_set(client->ipc, client); +#ifdef HAVE_IPCS_GET_BUFFER_SIZE + client->max_buf_size = qb_ipcc_get_buffer_size(client->ipc); + if (client->max_buf_size < client->buf_size) { + free(client->buffer); + client->buffer = calloc(1, client->max_buf_size); + client->buf_size = client->max_buf_size; + } +#endif + return TRUE; } void crm_ipc_close(crm_ipc_t * client) { if (client) { crm_trace("Disconnecting %s IPC connection %p (%p.%p)", client->name, client, client->ipc); if (client->ipc) { qb_ipcc_connection_t *ipc = client->ipc; client->ipc = NULL; qb_ipcc_disconnect(ipc); } } } void crm_ipc_destroy(crm_ipc_t * client) { if (client) { if (client->ipc && qb_ipcc_is_connected(client->ipc)) { crm_notice("Destroying an active IPC connection to %s", client->name); /* The next line is basically unsafe * * If this connection was attached to mainloop and mainloop is active, * the 'disconnected' callback will end up back here and we'll end * up free'ing the memory twice - something that can still happen * even without this if we destroy a connection and it closes before * we call exit */ /* crm_ipc_close(client); */ } crm_trace("Destroying IPC connection to %s: %p", client->name, client); free(client->buffer); free(client->name); free(client); } } int crm_ipc_get_fd(crm_ipc_t * client) { int fd = 0; CRM_ASSERT(client != NULL); if (client->ipc && qb_ipcc_fd_get(client->ipc, &fd) == 0) { return fd; } crm_perror(LOG_ERR, "Could not obtain file IPC descriptor for %s", client->name); return -EINVAL; } bool crm_ipc_connected(crm_ipc_t * client) { bool rc = FALSE; if (client == NULL) { crm_trace("No client"); return FALSE; } else if (client->ipc == NULL) { crm_trace("No connection"); return FALSE; } else if (client->pfd.fd < 0) { crm_trace("Bad descriptor"); return FALSE; } rc = qb_ipcc_is_connected(client->ipc); if (rc == FALSE) { client->pfd.fd = -EINVAL; } return rc; } int crm_ipc_ready(crm_ipc_t * client) { CRM_ASSERT(client != NULL); if (crm_ipc_connected(client) == FALSE) { return -ENOTCONN; } client->pfd.revents = 0; return poll(&(client->pfd), 1, 0); } static int crm_ipc_decompress(crm_ipc_t * client) { struct crm_ipc_response_header *header = (struct crm_ipc_response_header *)client->buffer; if (header->size_compressed) { int rc = 0; unsigned int size_u = 1 + header->size_uncompressed; /* never let buf size fall below our max size required for ipc reads. */ unsigned int new_buf_size = QB_MAX((hdr_offset + size_u), client->max_buf_size); char *uncompressed = calloc(1, new_buf_size); crm_trace("Decompressing message data %d bytes into %d bytes", header->size_compressed, size_u); rc = BZ2_bzBuffToBuffDecompress(uncompressed + hdr_offset, &size_u, client->buffer + hdr_offset, header->size_compressed, 1, 0); if (rc != BZ_OK) { crm_err("Decompression failed: %s (%d)", bz2_strerror(rc), rc); free(uncompressed); return -EILSEQ; } /* * This assert no longer holds true. For an identical msg, some clients may * require compression, and others may not. If that same msg (event) is sent * to multiple clients, it could result in some clients receiving a compressed * msg even though compression was not explicitly required for them. * * CRM_ASSERT((header->size_uncompressed + hdr_offset) >= ipc_buffer_max); */ CRM_ASSERT(size_u == header->size_uncompressed); memcpy(uncompressed, client->buffer, hdr_offset); /* Preserve the header */ header = (struct crm_ipc_response_header *)uncompressed; free(client->buffer); client->buf_size = new_buf_size; client->buffer = uncompressed; } CRM_ASSERT(client->buffer[hdr_offset + header->size_uncompressed - 1] == 0); return pcmk_ok; } long crm_ipc_read(crm_ipc_t * client) { struct crm_ipc_response_header *header = NULL; CRM_ASSERT(client != NULL); CRM_ASSERT(client->ipc != NULL); CRM_ASSERT(client->buffer != NULL); crm_ipc_init(); client->buffer[0] = 0; client->msg_size = qb_ipcc_event_recv(client->ipc, client->buffer, client->buf_size - 1, 0); if (client->msg_size >= 0) { int rc = crm_ipc_decompress(client); if (rc != pcmk_ok) { return rc; } header = (struct crm_ipc_response_header *)client->buffer; if(header->version > PCMK_IPC_VERSION) { crm_err("Filtering incompatible v%d IPC message, we only support versions <= %d", header->version, PCMK_IPC_VERSION); return -EBADMSG; } crm_trace("Received %s event %d, size=%d, rc=%d, text: %.100s", client->name, header->qb.id, header->qb.size, client->msg_size, client->buffer + hdr_offset); } else { crm_trace("No message from %s received: %s", client->name, pcmk_strerror(client->msg_size)); } if (crm_ipc_connected(client) == FALSE || client->msg_size == -ENOTCONN) { crm_err("Connection to %s failed", client->name); } if (header) { /* Data excluding the header */ return header->size_uncompressed; } return -ENOMSG; } const char * crm_ipc_buffer(crm_ipc_t * client) { CRM_ASSERT(client != NULL); return client->buffer + sizeof(struct crm_ipc_response_header); } const char * crm_ipc_name(crm_ipc_t * client) { CRM_ASSERT(client != NULL); return client->name; } static int internal_ipc_send_recv(crm_ipc_t * client, const void *iov) { int rc = 0; do { rc = qb_ipcc_sendv_recv(client->ipc, iov, 2, client->buffer, client->buf_size, -1); } while (rc == -EAGAIN && crm_ipc_connected(client)); return rc; } static int internal_ipc_send_request(crm_ipc_t * client, const void *iov, int ms_timeout) { int rc = 0; time_t timeout = time(NULL) + 1 + (ms_timeout / 1000); do { rc = qb_ipcc_sendv(client->ipc, iov, 2); } while (rc == -EAGAIN && time(NULL) < timeout && crm_ipc_connected(client)); return rc; } static int internal_ipc_get_reply(crm_ipc_t * client, int request_id, int ms_timeout) { time_t timeout = time(NULL) + 1 + (ms_timeout / 1000); int rc = 0; crm_ipc_init(); /* get the reply */ crm_trace("client %s waiting on reply to msg id %d", client->name, request_id); do { rc = qb_ipcc_recv(client->ipc, client->buffer, client->buf_size, 1000); if (rc > 0) { struct crm_ipc_response_header *hdr = NULL; int rc = crm_ipc_decompress(client); if (rc != pcmk_ok) { return rc; } hdr = (struct crm_ipc_response_header *)client->buffer; if (hdr->qb.id == request_id) { /* Got it */ break; } else if (hdr->qb.id < request_id) { xmlNode *bad = string2xml(crm_ipc_buffer(client)); crm_err("Discarding old reply %d (need %d)", hdr->qb.id, request_id); crm_log_xml_notice(bad, "OldIpcReply"); } else { xmlNode *bad = string2xml(crm_ipc_buffer(client)); crm_err("Discarding newer reply %d (need %d)", hdr->qb.id, request_id); crm_log_xml_notice(bad, "ImpossibleReply"); CRM_ASSERT(hdr->qb.id <= request_id); } } else if (crm_ipc_connected(client) == FALSE) { crm_err("Server disconnected client %s while waiting for msg id %d", client->name, request_id); break; } } while (time(NULL) < timeout); return rc; } int crm_ipc_send(crm_ipc_t * client, xmlNode * message, enum crm_ipc_flags flags, int32_t ms_timeout, xmlNode ** reply) { long rc = 0; struct iovec *iov; static uint32_t id = 0; static int factor = 8; struct crm_ipc_response_header *header; crm_ipc_init(); if (client == NULL) { crm_notice("Invalid connection"); return -ENOTCONN; } else if (crm_ipc_connected(client) == FALSE) { /* Don't even bother */ crm_notice("Connection to %s closed", client->name); return -ENOTCONN; } if (ms_timeout == 0) { ms_timeout = 5000; } if (client->need_reply) { crm_trace("Trying again to obtain pending reply from %s", client->name); rc = qb_ipcc_recv(client->ipc, client->buffer, client->buf_size, ms_timeout); if (rc < 0) { crm_warn("Sending to %s (%p) is disabled until pending reply is received", client->name, client->ipc); return -EALREADY; } else { crm_notice("Lost reply from %s (%p) finally arrived, sending re-enabled", client->name, client->ipc); client->need_reply = FALSE; } } id++; CRM_LOG_ASSERT(id != 0); /* Crude wrap-around detection */ rc = crm_ipc_prepare(id, message, &iov, ipc_buffer_max); if(rc < 0) { return rc; } header = iov[0].iov_base; header->flags |= flags; if(is_set(flags, crm_ipc_proxied)) { /* Don't look for a synchronous response */ clear_bit(flags, crm_ipc_client_response); } if(header->size_compressed) { if(factor < 10 && (ipc_buffer_max / 10) < (rc / factor)) { crm_notice("Compressed message exceeds %d0%% of the configured ipc limit (%d bytes), " "consider setting PCMK_ipc_buffer to %d or higher", factor, ipc_buffer_max, 2*ipc_buffer_max); factor++; } } crm_trace("Sending from client: %s request id: %d bytes: %u timeout:%d msg...", client->name, header->qb.id, header->qb.size, ms_timeout); if (ms_timeout > 0 || is_not_set(flags, crm_ipc_client_response)) { rc = internal_ipc_send_request(client, iov, ms_timeout); if (rc <= 0) { crm_trace("Failed to send from client %s request %d with %u bytes...", client->name, header->qb.id, header->qb.size); goto send_cleanup; } else if (is_not_set(flags, crm_ipc_client_response)) { crm_trace("Message sent, not waiting for reply to %d from %s to %u bytes...", header->qb.id, client->name, header->qb.size); goto send_cleanup; } rc = internal_ipc_get_reply(client, header->qb.id, ms_timeout); if (rc < 0) { /* No reply, for now, disable sending * * The alternative is to close the connection since we don't know * how to detect and discard out-of-sequence replies * * TODO - implement the above */ client->need_reply = TRUE; } } else { rc = internal_ipc_send_recv(client, iov); } if (rc > 0) { struct crm_ipc_response_header *hdr = (struct crm_ipc_response_header *)client->buffer; crm_trace("Received response %d, size=%d, rc=%ld, text: %.200s", hdr->qb.id, hdr->qb.size, rc, crm_ipc_buffer(client)); if (reply) { *reply = string2xml(crm_ipc_buffer(client)); } } else { crm_trace("Response not received: rc=%ld, errno=%d", rc, errno); } send_cleanup: if (crm_ipc_connected(client) == FALSE) { crm_notice("Connection to %s closed: %s (%ld)", client->name, pcmk_strerror(rc), rc); } else if (rc == -ETIMEDOUT) { crm_warn("Request %d to %s (%p) failed: %s (%ld) after %dms", header->qb.id, client->name, client->ipc, pcmk_strerror(rc), rc, ms_timeout); crm_write_blackbox(0, NULL); } else if (rc <= 0) { crm_warn("Request %d to %s (%p) failed: %s (%ld)", header->qb.id, client->name, client->ipc, pcmk_strerror(rc), rc); } free(header); free(iov[1].iov_base); free(iov); return rc; } /* Utils */ xmlNode * create_hello_message(const char *uuid, const char *client_name, const char *major_version, const char *minor_version) { xmlNode *hello_node = NULL; xmlNode *hello = NULL; if (uuid == NULL || strlen(uuid) == 0 || client_name == NULL || strlen(client_name) == 0 || major_version == NULL || strlen(major_version) == 0 || minor_version == NULL || strlen(minor_version) == 0) { crm_err("Missing fields, Hello message will not be valid."); return NULL; } hello_node = create_xml_node(NULL, XML_TAG_OPTIONS); crm_xml_add(hello_node, "major_version", major_version); crm_xml_add(hello_node, "minor_version", minor_version); crm_xml_add(hello_node, "client_name", client_name); crm_xml_add(hello_node, "client_uuid", uuid); crm_trace("creating hello message"); hello = create_request(CRM_OP_HELLO, hello_node, NULL, NULL, client_name, uuid); free_xml(hello_node); return hello; } diff --git a/lib/common/mainloop.c b/lib/common/mainloop.c index 7df6fa26b6..4f21d69724 100644 --- a/lib/common/mainloop.c +++ b/lib/common/mainloop.c @@ -1,1105 +1,1111 @@ /* * Copyright (C) 2004 Andrew Beekhof * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include #ifndef _GNU_SOURCE # define _GNU_SOURCE #endif #include #include #include #include #include #include #include #include struct mainloop_child_s { pid_t pid; char *desc; unsigned timerid; unsigned watchid; gboolean timeout; void *privatedata; /* Called when a process dies */ void (*callback) (mainloop_child_t * p, pid_t pid, int core, int signo, int exitcode); }; struct trigger_s { GSource source; gboolean running; gboolean trigger; void *user_data; guint id; }; static gboolean crm_trigger_prepare(GSource * source, gint * timeout) { crm_trigger_t *trig = (crm_trigger_t *) source; /* cluster-glue's FD and IPC related sources make use of * g_source_add_poll() but do not set a timeout in their prepare * functions * * This means mainloop's poll() will block until an event for one * of these sources occurs - any /other/ type of source, such as * this one or g_idle_*, that doesn't use g_source_add_poll() is * S-O-L and wont be processed until there is something fd-based * happens. * * Luckily the timeout we can set here affects all sources and * puts an upper limit on how long poll() can take. * * So unconditionally set a small-ish timeout, not too small that * we're in constant motion, which will act as an upper bound on * how long the signal handling might be delayed for. */ *timeout = 500; /* Timeout in ms */ return trig->trigger; } static gboolean crm_trigger_check(GSource * source) { crm_trigger_t *trig = (crm_trigger_t *) source; return trig->trigger; } static gboolean crm_trigger_dispatch(GSource * source, GSourceFunc callback, gpointer userdata) { int rc = TRUE; crm_trigger_t *trig = (crm_trigger_t *) source; if (trig->running) { /* Wait until the existing job is complete before starting the next one */ return TRUE; } trig->trigger = FALSE; if (callback) { rc = callback(trig->user_data); if (rc < 0) { crm_trace("Trigger handler %p not yet complete", trig); trig->running = TRUE; rc = TRUE; } } return rc; } static void crm_trigger_finalize(GSource * source) { crm_trace("Trigger %p destroyed", source); } #if 0 struct _GSourceCopy { gpointer callback_data; GSourceCallbackFuncs *callback_funcs; const GSourceFuncs *source_funcs; guint ref_count; GMainContext *context; gint priority; guint flags; guint source_id; GSList *poll_fds; GSource *prev; GSource *next; char *name; void *priv; }; static int g_source_refcount(GSource * source) { /* Duplicating the contents of private header files is a necessary evil */ if (source) { struct _GSourceCopy *evil = (struct _GSourceCopy*)source; return evil->ref_count; } return 0; } #else static int g_source_refcount(GSource * source) { return 0; } #endif static GSourceFuncs crm_trigger_funcs = { crm_trigger_prepare, crm_trigger_check, crm_trigger_dispatch, crm_trigger_finalize, }; static crm_trigger_t * mainloop_setup_trigger(GSource * source, int priority, int (*dispatch) (gpointer user_data), gpointer userdata) { crm_trigger_t *trigger = NULL; trigger = (crm_trigger_t *) source; trigger->id = 0; trigger->trigger = FALSE; trigger->user_data = userdata; if (dispatch) { g_source_set_callback(source, dispatch, trigger, NULL); } g_source_set_priority(source, priority); g_source_set_can_recurse(source, FALSE); crm_trace("Setup %p with ref-count=%u", source, g_source_refcount(source)); trigger->id = g_source_attach(source, NULL); crm_trace("Attached %p with ref-count=%u", source, g_source_refcount(source)); return trigger; } void mainloop_trigger_complete(crm_trigger_t * trig) { crm_trace("Trigger handler %p complete", trig); trig->running = FALSE; } /* If dispatch returns: * -1: Job running but not complete * 0: Remove the trigger from mainloop * 1: Leave the trigger in mainloop */ crm_trigger_t * mainloop_add_trigger(int priority, int (*dispatch) (gpointer user_data), gpointer userdata) { GSource *source = NULL; CRM_ASSERT(sizeof(crm_trigger_t) > sizeof(GSource)); source = g_source_new(&crm_trigger_funcs, sizeof(crm_trigger_t)); CRM_ASSERT(source != NULL); return mainloop_setup_trigger(source, priority, dispatch, userdata); } void mainloop_set_trigger(crm_trigger_t * source) { if(source) { source->trigger = TRUE; } } gboolean mainloop_destroy_trigger(crm_trigger_t * source) { GSource *gs = NULL; if(source == NULL) { return TRUE; } gs = (GSource *)source; if(g_source_refcount(gs) > 2) { crm_info("Trigger %p is still referenced %u times", gs, g_source_refcount(gs)); } g_source_destroy(gs); /* Remove from mainloop, ref_count-- */ g_source_unref(gs); /* The caller no longer carries a reference to source * * At this point the source should be free'd, * unless we're currently processing said * source, in which case mainloop holds an * additional reference and it will be free'd * once our processing completes */ return TRUE; } typedef struct signal_s { crm_trigger_t trigger; /* must be first */ void (*handler) (int sig); int signal; } crm_signal_t; static crm_signal_t *crm_signals[NSIG]; static gboolean crm_signal_dispatch(GSource * source, GSourceFunc callback, gpointer userdata) { crm_signal_t *sig = (crm_signal_t *) source; if(sig->signal != SIGCHLD) { crm_info("Invoking handler for signal %d: %s", sig->signal, strsignal(sig->signal)); } sig->trigger.trigger = FALSE; if (sig->handler) { sig->handler(sig->signal); } return TRUE; } static void mainloop_signal_handler(int sig) { if (sig > 0 && sig < NSIG && crm_signals[sig] != NULL) { mainloop_set_trigger((crm_trigger_t *) crm_signals[sig]); } } static GSourceFuncs crm_signal_funcs = { crm_trigger_prepare, crm_trigger_check, crm_signal_dispatch, crm_trigger_finalize, }; gboolean crm_signal(int sig, void (*dispatch) (int sig)) { sigset_t mask; struct sigaction sa; struct sigaction old; if (sigemptyset(&mask) < 0) { crm_perror(LOG_ERR, "Call to sigemptyset failed"); return FALSE; } memset(&sa, 0, sizeof(struct sigaction)); sa.sa_handler = dispatch; sa.sa_flags = SA_RESTART; sa.sa_mask = mask; if (sigaction(sig, &sa, &old) < 0) { crm_perror(LOG_ERR, "Could not install signal handler for signal %d", sig); return FALSE; } return TRUE; } gboolean mainloop_add_signal(int sig, void (*dispatch) (int sig)) { GSource *source = NULL; int priority = G_PRIORITY_HIGH - 1; if (sig == SIGTERM) { /* TERM is higher priority than other signals, * signals are higher priority than other ipc. * Yes, minus: smaller is "higher" */ priority--; } if (sig >= NSIG || sig < 0) { crm_err("Signal %d is out of range", sig); return FALSE; } else if (crm_signals[sig] != NULL && crm_signals[sig]->handler == dispatch) { crm_trace("Signal handler for %d is already installed", sig); return TRUE; } else if (crm_signals[sig] != NULL) { crm_err("Different signal handler for %d is already installed", sig); return FALSE; } CRM_ASSERT(sizeof(crm_signal_t) > sizeof(GSource)); source = g_source_new(&crm_signal_funcs, sizeof(crm_signal_t)); crm_signals[sig] = (crm_signal_t *) mainloop_setup_trigger(source, priority, NULL, NULL); CRM_ASSERT(crm_signals[sig] != NULL); crm_signals[sig]->handler = dispatch; crm_signals[sig]->signal = sig; if (crm_signal(sig, mainloop_signal_handler) == FALSE) { crm_signal_t *tmp = crm_signals[sig]; crm_signals[sig] = NULL; mainloop_destroy_trigger((crm_trigger_t *) tmp); return FALSE; } #if 0 /* If we want signals to interrupt mainloop's poll(), instead of waiting for * the timeout, then we should call siginterrupt() below * * For now, just enforce a low timeout */ if (siginterrupt(sig, 1) < 0) { crm_perror(LOG_INFO, "Could not enable system call interruptions for signal %d", sig); } #endif return TRUE; } gboolean mainloop_destroy_signal(int sig) { crm_signal_t *tmp = NULL; if (sig >= NSIG || sig < 0) { crm_err("Signal %d is out of range", sig); return FALSE; } else if (crm_signal(sig, NULL) == FALSE) { crm_perror(LOG_ERR, "Could not uninstall signal handler for signal %d", sig); return FALSE; } else if (crm_signals[sig] == NULL) { return TRUE; } crm_trace("Destroying signal %d", sig); tmp = crm_signals[sig]; crm_signals[sig] = NULL; mainloop_destroy_trigger((crm_trigger_t *) tmp); return TRUE; } static qb_array_t *gio_map = NULL; void mainloop_cleanup(void) { if(gio_map) { qb_array_free(gio_map); } } /* * libqb... */ struct gio_to_qb_poll { int32_t is_used; guint source; int32_t events; void *data; qb_ipcs_dispatch_fn_t fn; enum qb_loop_priority p; }; static gboolean gio_read_socket(GIOChannel * gio, GIOCondition condition, gpointer data) { struct gio_to_qb_poll *adaptor = (struct gio_to_qb_poll *)data; gint fd = g_io_channel_unix_get_fd(gio); crm_trace("%p.%d %d", data, fd, condition); if (condition & G_IO_NVAL) { crm_trace("Marking failed adaptor %p unused", adaptor); adaptor->is_used = QB_FALSE; } return (adaptor->fn(fd, condition, adaptor->data) == 0); } static void gio_poll_destroy(gpointer data) { struct gio_to_qb_poll *adaptor = (struct gio_to_qb_poll *)data; adaptor->is_used = QB_FALSE; adaptor->source = 0; } static int32_t gio_poll_dispatch_add(enum qb_loop_priority p, int32_t fd, int32_t evts, void *data, qb_ipcs_dispatch_fn_t fn) { struct gio_to_qb_poll *adaptor; GIOChannel *channel; int32_t res = 0; res = qb_array_index(gio_map, fd, (void **)&adaptor); if (res < 0) { crm_err("Array lookup failed for fd=%d: %d", fd, res); return res; } crm_trace("Adding fd=%d to mainloop as adapater %p", fd, adaptor); if (adaptor->is_used) { crm_err("Adapter for descriptor %d is still in-use", fd); return -EEXIST; } /* channel is created with ref_count = 1 */ channel = g_io_channel_unix_new(fd); if (!channel) { crm_err("No memory left to add fd=%d", fd); return -ENOMEM; } /* Because unlike the poll() API, glib doesn't tell us about HUPs by default */ evts |= (G_IO_HUP | G_IO_NVAL | G_IO_ERR); adaptor->fn = fn; adaptor->events = evts; adaptor->data = data; adaptor->p = p; adaptor->is_used = QB_TRUE; adaptor->source = g_io_add_watch_full(channel, G_PRIORITY_DEFAULT, evts, gio_read_socket, adaptor, gio_poll_destroy); /* Now that mainloop now holds a reference to channel, * thanks to g_io_add_watch_full(), drop ours from g_io_channel_unix_new(). * * This means that channel will be free'd by: * g_main_context_dispatch() * -> g_source_destroy_internal() * -> g_source_callback_unref() * shortly after gio_poll_destroy() completes */ g_io_channel_unref(channel); crm_trace("Added to mainloop with gsource id=%d", adaptor->source); if (adaptor->source > 0) { return 0; } return -EINVAL; } static int32_t gio_poll_dispatch_mod(enum qb_loop_priority p, int32_t fd, int32_t evts, void *data, qb_ipcs_dispatch_fn_t fn) { return 0; } static int32_t gio_poll_dispatch_del(int32_t fd) { struct gio_to_qb_poll *adaptor; crm_trace("Looking for fd=%d", fd); if (qb_array_index(gio_map, fd, (void **)&adaptor) == 0) { crm_trace("Marking adaptor %p unused", adaptor); if (adaptor->source) { g_source_remove(adaptor->source); adaptor->source = 0; } adaptor->is_used = QB_FALSE; } return 0; } struct qb_ipcs_poll_handlers gio_poll_funcs = { .job_add = NULL, .dispatch_add = gio_poll_dispatch_add, .dispatch_mod = gio_poll_dispatch_mod, .dispatch_del = gio_poll_dispatch_del, }; static enum qb_ipc_type pick_ipc_type(enum qb_ipc_type requested) { const char *env = getenv("PCMK_ipc_type"); if (env && strcmp("shared-mem", env) == 0) { return QB_IPC_SHM; } else if (env && strcmp("socket", env) == 0) { return QB_IPC_SOCKET; } else if (env && strcmp("posix", env) == 0) { return QB_IPC_POSIX_MQ; } else if (env && strcmp("sysv", env) == 0) { return QB_IPC_SYSV_MQ; } else if (requested == QB_IPC_NATIVE) { /* We prefer shared memory because the server never blocks on * send. If part of a message fits into the socket, libqb * needs to block until the remainder can be sent also. * Otherwise the client will wait forever for the remaining * bytes. */ return QB_IPC_SHM; } return requested; } qb_ipcs_service_t * mainloop_add_ipc_server(const char *name, enum qb_ipc_type type, struct qb_ipcs_service_handlers * callbacks) { int rc = 0; qb_ipcs_service_t *server = NULL; if (gio_map == NULL) { gio_map = qb_array_create_2(64, sizeof(struct gio_to_qb_poll), 1); } crm_client_init(); server = qb_ipcs_create(name, 0, pick_ipc_type(type), callbacks); + +#ifdef HAVE_IPCS_GET_BUFFER_SIZE + /* All clients should use at least ipc_buffer_max as their buffer size */ + qb_ipcs_enforce_buffer_size(server, crm_ipc_default_buffer_size()); +#endif + qb_ipcs_poll_handlers_set(server, &gio_poll_funcs); rc = qb_ipcs_run(server); if (rc < 0) { crm_err("Could not start %s IPC server: %s (%d)", name, pcmk_strerror(rc), rc); return NULL; } return server; } void mainloop_del_ipc_server(qb_ipcs_service_t * server) { if (server) { qb_ipcs_destroy(server); } } struct mainloop_io_s { char *name; void *userdata; int fd; guint source; crm_ipc_t *ipc; GIOChannel *channel; int (*dispatch_fn_ipc) (const char *buffer, ssize_t length, gpointer userdata); int (*dispatch_fn_io) (gpointer userdata); void (*destroy_fn) (gpointer userdata); }; static gboolean mainloop_gio_callback(GIOChannel * gio, GIOCondition condition, gpointer data) { gboolean keep = TRUE; mainloop_io_t *client = data; CRM_ASSERT(client->fd == g_io_channel_unix_get_fd(gio)); if (condition & G_IO_IN) { if (client->ipc) { long rc = 0; int max = 10; do { rc = crm_ipc_read(client->ipc); if (rc <= 0) { crm_trace("Message acquisition from %s[%p] failed: %s (%ld)", client->name, client, pcmk_strerror(rc), rc); } else if (client->dispatch_fn_ipc) { const char *buffer = crm_ipc_buffer(client->ipc); crm_trace("New message from %s[%p] = %d", client->name, client, rc, condition); if (client->dispatch_fn_ipc(buffer, rc, client->userdata) < 0) { crm_trace("Connection to %s no longer required", client->name); keep = FALSE; } } } while (keep && rc > 0 && --max > 0); } else { crm_trace("New message from %s[%p] %u", client->name, client, condition); if (client->dispatch_fn_io) { if (client->dispatch_fn_io(client->userdata) < 0) { crm_trace("Connection to %s no longer required", client->name); keep = FALSE; } } } } if (client->ipc && crm_ipc_connected(client->ipc) == FALSE) { crm_err("Connection to %s[%p] closed (I/O condition=%d)", client->name, client, condition); keep = FALSE; } else if (condition & (G_IO_HUP | G_IO_NVAL | G_IO_ERR)) { crm_trace("The connection %s[%p] has been closed (I/O condition=%d)", client->name, client, condition); keep = FALSE; } else if ((condition & G_IO_IN) == 0) { /* #define GLIB_SYSDEF_POLLIN =1 #define GLIB_SYSDEF_POLLPRI =2 #define GLIB_SYSDEF_POLLOUT =4 #define GLIB_SYSDEF_POLLERR =8 #define GLIB_SYSDEF_POLLHUP =16 #define GLIB_SYSDEF_POLLNVAL =32 typedef enum { G_IO_IN GLIB_SYSDEF_POLLIN, G_IO_OUT GLIB_SYSDEF_POLLOUT, G_IO_PRI GLIB_SYSDEF_POLLPRI, G_IO_ERR GLIB_SYSDEF_POLLERR, G_IO_HUP GLIB_SYSDEF_POLLHUP, G_IO_NVAL GLIB_SYSDEF_POLLNVAL } GIOCondition; A bitwise combination representing a condition to watch for on an event source. G_IO_IN There is data to read. G_IO_OUT Data can be written (without blocking). G_IO_PRI There is urgent data to read. G_IO_ERR Error condition. G_IO_HUP Hung up (the connection has been broken, usually for pipes and sockets). G_IO_NVAL Invalid request. The file descriptor is not open. */ crm_err("Strange condition: %d", condition); } /* keep == FALSE results in mainloop_gio_destroy() being called * just before the source is removed from mainloop */ return keep; } static void mainloop_gio_destroy(gpointer c) { mainloop_io_t *client = c; char *c_name = strdup(client->name); /* client->source is valid but about to be destroyed (ref_count == 0) in gmain.c * client->channel will still have ref_count > 0... should be == 1 */ crm_trace("Destroying client %s[%p]", c_name, c); if (client->ipc) { crm_ipc_close(client->ipc); } if (client->destroy_fn) { void (*destroy_fn) (gpointer userdata) = client->destroy_fn; client->destroy_fn = NULL; destroy_fn(client->userdata); } if (client->ipc) { crm_ipc_t *ipc = client->ipc; client->ipc = NULL; crm_ipc_destroy(ipc); } crm_trace("Destroyed client %s[%p]", c_name, c); free(client->name); client->name = NULL; free(client); free(c_name); } mainloop_io_t * mainloop_add_ipc_client(const char *name, int priority, size_t max_size, void *userdata, struct ipc_client_callbacks *callbacks) { mainloop_io_t *client = NULL; crm_ipc_t *conn = crm_ipc_new(name, max_size); if (conn && crm_ipc_connect(conn)) { int32_t fd = crm_ipc_get_fd(conn); client = mainloop_add_fd(name, priority, fd, userdata, NULL); client->ipc = conn; client->destroy_fn = callbacks->destroy; client->dispatch_fn_ipc = callbacks->dispatch; } if (conn && client == NULL) { crm_trace("Connection to %s failed", name); crm_ipc_close(conn); crm_ipc_destroy(conn); } return client; } void mainloop_del_ipc_client(mainloop_io_t * client) { mainloop_del_fd(client); } crm_ipc_t * mainloop_get_ipc_client(mainloop_io_t * client) { if (client) { return client->ipc; } return NULL; } mainloop_io_t * mainloop_add_fd(const char *name, int priority, int fd, void *userdata, struct mainloop_fd_callbacks * callbacks) { mainloop_io_t *client = NULL; if (fd > 0) { client = calloc(1, sizeof(mainloop_io_t)); client->name = strdup(name); client->userdata = userdata; if (callbacks) { client->destroy_fn = callbacks->destroy; client->dispatch_fn_io = callbacks->dispatch; } client->fd = fd; client->channel = g_io_channel_unix_new(fd); client->source = g_io_add_watch_full(client->channel, priority, (G_IO_IN | G_IO_HUP | G_IO_NVAL | G_IO_ERR), mainloop_gio_callback, client, mainloop_gio_destroy); /* Now that mainloop now holds a reference to channel, * thanks to g_io_add_watch_full(), drop ours from g_io_channel_unix_new(). * * This means that channel will be free'd by: * g_main_context_dispatch() or g_source_remove() * -> g_source_destroy_internal() * -> g_source_callback_unref() * shortly after mainloop_gio_destroy() completes */ g_io_channel_unref(client->channel); crm_trace("Added connection %d for %s[%p].%d", client->source, client->name, client, fd); } return client; } void mainloop_del_fd(mainloop_io_t * client) { if (client != NULL) { crm_trace("Removing client %s[%p]", client->name, client); if (client->source) { /* Results in mainloop_gio_destroy() being called just * before the source is removed from mainloop */ g_source_remove(client->source); } } } pid_t mainloop_child_pid(mainloop_child_t * child) { return child->pid; } const char * mainloop_child_name(mainloop_child_t * child) { return child->desc; } int mainloop_child_timeout(mainloop_child_t * child) { return child->timeout; } void * mainloop_child_userdata(mainloop_child_t * child) { return child->privatedata; } void mainloop_clear_child_userdata(mainloop_child_t * child) { child->privatedata = NULL; } static gboolean child_timeout_callback(gpointer p) { mainloop_child_t *child = p; child->timerid = 0; if (child->timeout) { crm_crit("%s process (PID %d) will not die!", child->desc, (int)child->pid); return FALSE; } child->timeout = TRUE; crm_warn("%s process (PID %d) timed out", child->desc, (int)child->pid); if (kill(child->pid, SIGKILL) < 0) { if (errno == ESRCH) { /* Nothing left to do */ return FALSE; } crm_perror(LOG_ERR, "kill(%d, KILL) failed", child->pid); } child->timerid = g_timeout_add(5000, child_timeout_callback, child); return FALSE; } static GListPtr child_list = NULL; static void child_death_dispatch(int signal) { GListPtr iter = child_list; while(iter) { int rc = 0; int core = 0; int signo = 0; int status = 0; int exitcode = 0; GListPtr saved = NULL; mainloop_child_t *child = iter->data; rc = waitpid(child->pid, &status, WNOHANG); if(rc == 0) { iter = iter->next; continue; } else if(rc != child->pid) { signo = signal; exitcode = 1; status = 1; crm_perror(LOG_ERR, "Call to waitpid(%d) failed", child->pid); } else { crm_trace("Managed process %d exited: %p", child->pid, child); if (WIFEXITED(status)) { exitcode = WEXITSTATUS(status); crm_trace("Managed process %d (%s) exited with rc=%d", child->pid, child->desc, exitcode); } else if (WIFSIGNALED(status)) { signo = WTERMSIG(status); crm_trace("Managed process %d (%s) exited with signal=%d", child->pid, child->desc, signo); } #ifdef WCOREDUMP if (WCOREDUMP(status)) { core = 1; crm_err("Managed process %d (%s) dumped core", child->pid, child->desc); } #endif } if (child->callback) { child->callback(child, child->pid, core, signo, exitcode); } crm_trace("Removing process entry %p for %d", child, child->pid); saved = iter; iter = iter->next; child_list = g_list_remove_link(child_list, saved); g_list_free(saved); if (child->timerid != 0) { crm_trace("Removing timer %d", child->timerid); g_source_remove(child->timerid); child->timerid = 0; } free(child->desc); free(child); } } /* Create/Log a new tracked process * To track a process group, use -pid */ void mainloop_child_add(pid_t pid, int timeout, const char *desc, void *privatedata, void (*callback) (mainloop_child_t * p, pid_t pid, int core, int signo, int exitcode)) { static bool need_init = TRUE; mainloop_child_t *child = g_new(mainloop_child_t, 1); child->pid = pid; child->timerid = 0; child->timeout = FALSE; child->privatedata = privatedata; child->callback = callback; if(desc) { child->desc = strdup(desc); } if (timeout) { child->timerid = g_timeout_add(timeout, child_timeout_callback, child); } child_list = g_list_append(child_list, child); if(need_init) { need_init = FALSE; /* Do NOT use g_child_watch_add() and friends, they rely on pthreads */ mainloop_add_signal(SIGCHLD, child_death_dispatch); /* In case they terminated before the signal handler was installed */ child_death_dispatch(SIGCHLD); } } struct mainloop_timer_s { guint id; guint period_ms; bool repeat; char *name; GSourceFunc cb; void *userdata; }; struct mainloop_timer_s mainloop; static gboolean mainloop_timer_cb(gpointer user_data) { int id = 0; bool repeat = FALSE; struct mainloop_timer_s *t = user_data; CRM_ASSERT(t != NULL); id = t->id; t->id = 0; /* Ensure its unset during callbacks so that * mainloop_timer_running() works as expected */ if(t->cb) { crm_trace("Invoking callbacks for timer %s", t->name); repeat = t->repeat; if(t->cb(t->userdata) == FALSE) { crm_trace("Timer %s complete", t->name); repeat = FALSE; } } if(repeat) { /* Restore if repeating */ t->id = id; } return repeat; } bool mainloop_timer_running(mainloop_timer_t *t) { if(t && t->id != 0) { return TRUE; } return FALSE; } void mainloop_timer_start(mainloop_timer_t *t) { mainloop_timer_stop(t); if(t && t->period_ms > 0) { crm_trace("Starting timer %s", t->name); t->id = g_timeout_add(t->period_ms, mainloop_timer_cb, t); } } void mainloop_timer_stop(mainloop_timer_t *t) { if(t && t->id != 0) { crm_trace("Stopping timer %s", t->name); g_source_remove(t->id); t->id = 0; } } guint mainloop_timer_set_period(mainloop_timer_t *t, guint period_ms) { guint last = 0; if(t) { last = t->period_ms; t->period_ms = period_ms; } if(t && t->id != 0 && last != t->period_ms) { mainloop_timer_start(t); } return last; } mainloop_timer_t * mainloop_timer_add(const char *name, guint period_ms, bool repeat, GSourceFunc cb, void *userdata) { mainloop_timer_t *t = calloc(1, sizeof(mainloop_timer_t)); if(t) { if(name) { t->name = g_strdup_printf("%s-%u-%d", name, period_ms, repeat); } else { t->name = g_strdup_printf("%p-%u-%d", t, period_ms, repeat); } t->id = 0; t->period_ms = period_ms; t->repeat = repeat; t->cb = cb; t->userdata = userdata; crm_trace("Created timer %s with %p %p", t->name, userdata, t->userdata); } return t; } void mainloop_timer_del(mainloop_timer_t *t) { if(t) { crm_trace("Destroying timer %s", t->name); mainloop_timer_stop(t); free(t->name); free(t); } }