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diff --git a/lib/ipc_socket.c b/lib/ipc_socket.c
index 8d2179d..7b3d7b0 100644
--- a/lib/ipc_socket.c
+++ b/lib/ipc_socket.c
@@ -1,837 +1,839 @@
/*
* Copyright (C) 2010,2013 Red Hat, Inc.
*
* Author: Angus Salkeld <asalkeld@redhat.com>
*
* This file is part of libqb.
*
* libqb 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.
*
* libqb 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 libqb. If not, see <http://www.gnu.org/licenses/>.
*/
#include "os_base.h"
#ifdef HAVE_SYS_UN_H
#include <sys/un.h>
#endif /* HAVE_SYS_UN_H */
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#include <qb/qbatomic.h>
#include <qb/qbipcs.h>
#include <qb/qbloop.h>
#include <qb/qbdefs.h>
#include "util_int.h"
#include "ipc_int.h"
struct ipc_us_control {
int32_t sent;
int32_t flow_control;
};
#define SHM_CONTROL_SIZE (3 * sizeof(struct ipc_us_control))
static void
set_sock_addr(struct sockaddr_un *address, const char *socket_name)
{
memset(address, 0, sizeof(struct sockaddr_un));
address->sun_family = AF_UNIX;
#ifdef HAVE_STRUCT_SOCKADDR_UN_SUN_LEN
address->sun_len = QB_SUN_LEN(address);
#endif
#if defined(QB_LINUX) || defined(QB_CYGWIN)
snprintf(address->sun_path + 1, UNIX_PATH_MAX - 1, "%s", socket_name);
#else
snprintf(address->sun_path, sizeof(address->sun_path), "%s/%s", SOCKETDIR,
socket_name);
#endif
}
static int32_t
qb_ipc_dgram_sock_setup(const char *base_name,
- const char *service_name, int32_t * sock_pt)
+ const char *service_name, int32_t * sock_pt,
+ gid_t gid)
{
int32_t request_fd;
struct sockaddr_un local_address;
int32_t res = 0;
char sock_path[PATH_MAX];
request_fd = socket(PF_UNIX, SOCK_DGRAM, 0);
if (request_fd == -1) {
return -errno;
}
qb_socket_nosigpipe(request_fd);
res = qb_sys_fd_nonblock_cloexec_set(request_fd);
if (res < 0) {
goto error_connect;
}
snprintf(sock_path, PATH_MAX, "%s-%s", base_name, service_name);
set_sock_addr(&local_address, sock_path);
#if !(defined(QB_LINUX) || defined(QB_CYGWIN))
res = unlink(local_address.sun_path);
#endif
res = bind(request_fd, (struct sockaddr *)&local_address,
sizeof(local_address));
#if !(defined(QB_LINUX) || defined(QB_CYGWIN))
chmod(local_address.sun_path, 0660);
+ chown(local_address.sun_path, getuid(), gid);
#endif
if (res < 0) {
goto error_connect;
}
*sock_pt = request_fd;
return 0;
error_connect:
close(request_fd);
*sock_pt = -1;
return res;
}
static int32_t
set_sock_size(int sockfd, size_t max_msg_size)
{
int32_t rc;
unsigned int optval;
socklen_t optlen = sizeof(optval);
rc = getsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, &optval, &optlen);
qb_util_log(LOG_TRACE, "%d: getsockopt(%d, needed:%d) actual:%d",
rc, sockfd, max_msg_size, optval);
/* The optvat <= max_msg_size check is weird...
* during testing it was discovered in some instances if the
* default optval is exactly equal to our max_msg_size, we couldn't
* actually send a message that large unless we explicilty set
* it using setsockopt... there is no good explaination for this. Most
* likely this is hitting some sort of "off by one" error in the kernel. */
if (rc == 0 && optval <= max_msg_size) {
optval = max_msg_size;
optlen = sizeof(optval);
rc = setsockopt(sockfd, SOL_SOCKET, SO_SNDBUF, &optval, optlen);
}
return rc;
}
static int32_t
dgram_verify_msg_size(size_t max_msg_size)
{
int32_t rc = -1;
int32_t sockets[2];
int32_t tries = 0;
int32_t write_passed = 0;
int32_t read_passed = 0;
char buf[max_msg_size];
if (socketpair(AF_UNIX, SOCK_DGRAM, 0, sockets) < 0) {
goto cleanup_socks;
}
if (set_sock_size(sockets[0], max_msg_size) != 0) {
goto cleanup_socks;
}
if (set_sock_size(sockets[1], max_msg_size) != 0) {
goto cleanup_socks;
}
for (tries = 0; tries < 3; tries++) {
if (write_passed == 0) {
rc = write(sockets[1], buf, max_msg_size);
if (rc < 0 && (errno == EAGAIN || errno == EINTR)) {
continue;
} else if (rc == max_msg_size) {
write_passed = 1;
} else {
break;
}
}
if (read_passed == 0) {
rc = read(sockets[0], buf, max_msg_size);
if (rc < 0 && (errno == EAGAIN || errno == EINTR)) {
continue;
} else if (rc == max_msg_size) {
read_passed = 1;
} else {
break;
}
}
if (read_passed && write_passed) {
rc = 0;
break;
}
}
cleanup_socks:
close(sockets[0]);
close(sockets[1]);
return rc;
}
int32_t
qb_ipcc_verify_dgram_max_msg_size(size_t max_msg_size)
{
int32_t i;
int32_t last = -1;
int32_t inc = 2048;
if (dgram_verify_msg_size(max_msg_size) == 0) {
return max_msg_size;
}
for (i = inc; i < max_msg_size; i+=inc) {
if (dgram_verify_msg_size(i) == 0) {
last = i;
} else if (inc >= 512) {
i-=inc;
inc = inc/2;
} else {
break;
}
}
return last;
}
/*
* bind to "base_name-local_name"
* connect to "base_name-remote_name"
* output sock_pt
*/
static int32_t
qb_ipc_dgram_sock_connect(const char *base_name,
const char *local_name,
const char *remote_name,
- int32_t max_msg_size, int32_t * sock_pt)
+ int32_t max_msg_size, int32_t * sock_pt, gid_t gid)
{
char sock_path[PATH_MAX];
struct sockaddr_un remote_address;
int32_t res = qb_ipc_dgram_sock_setup(base_name, local_name,
- sock_pt);
+ sock_pt, gid);
if (res < 0) {
return res;
}
snprintf(sock_path, PATH_MAX, "%s-%s", base_name, remote_name);
set_sock_addr(&remote_address, sock_path);
if (connect(*sock_pt, (struct sockaddr *)&remote_address,
QB_SUN_LEN(&remote_address)) == -1) {
res = -errno;
goto error_connect;
}
return set_sock_size(*sock_pt, max_msg_size);
error_connect:
close(*sock_pt);
*sock_pt = -1;
return res;
}
static int32_t
_finish_connecting(struct qb_ipc_one_way *one_way)
{
struct sockaddr_un remote_address;
int res;
int error;
int retry = 0;
set_sock_addr(&remote_address, one_way->u.us.sock_name);
/* this retry loop is here to help connecting when trying to send
* an event right after connection setup.
*/
do {
errno = 0;
res = connect(one_way->u.us.sock,
(struct sockaddr *)&remote_address,
QB_SUN_LEN(&remote_address));
if (res == -1) {
error = -errno;
qb_util_perror(LOG_DEBUG, "error calling connect()");
retry++;
usleep(100000);
}
} while (res == -1 && retry < 10);
if (res == -1) {
return error;
}
free(one_way->u.us.sock_name);
one_way->u.us.sock_name = NULL;
return set_sock_size(one_way->u.us.sock, one_way->max_msg_size);
}
/*
* client functions
* --------------------------------------------------------
*/
static void
qb_ipcc_us_disconnect(struct qb_ipcc_connection *c)
{
#if !(defined(QB_LINUX) || defined(QB_CYGWIN))
struct sockaddr_un un_addr;
socklen_t un_addr_len = sizeof(struct sockaddr_un);
char *base_name;
char sock_name[PATH_MAX];
size_t length;
#endif
munmap(c->request.u.us.shared_data, SHM_CONTROL_SIZE);
unlink(c->request.u.us.shared_file_name);
#if !(defined(QB_LINUX) || defined(QB_CYGWIN))
if (getsockname(c->response.u.us.sock, (struct sockaddr *)&un_addr, &un_addr_len) == 0) {
length = strlen(un_addr.sun_path);
base_name = strndup(un_addr.sun_path,length-9);
qb_util_log(LOG_DEBUG, "unlinking socket bound files with base_name=%s length=%d",base_name,length);
snprintf(sock_name,PATH_MAX,"%s-%s",base_name,"request");
qb_util_log(LOG_DEBUG, "unlink sock_name=%s",sock_name);
unlink(sock_name);
snprintf(sock_name,PATH_MAX,"%s-%s",base_name,"event");
qb_util_log(LOG_DEBUG, "unlink sock_name=%s",sock_name);
unlink(sock_name);
snprintf(sock_name,PATH_MAX,"%s-%s",base_name,"event-tx");
qb_util_log(LOG_DEBUG, "unlink sock_name=%s",sock_name);
unlink(sock_name);
snprintf(sock_name,PATH_MAX,"%s-%s",base_name,"response");
qb_util_log(LOG_DEBUG, "unlink sock_name=%s",sock_name);
unlink(sock_name);
}
#endif
qb_ipcc_us_sock_close(c->event.u.us.sock);
qb_ipcc_us_sock_close(c->request.u.us.sock);
qb_ipcc_us_sock_close(c->setup.u.us.sock);
}
static ssize_t
qb_ipc_socket_send(struct qb_ipc_one_way *one_way,
const void *msg_ptr, size_t msg_len)
{
ssize_t rc = 0;
struct ipc_us_control *ctl;
ctl = (struct ipc_us_control *)one_way->u.us.shared_data;
if (one_way->u.us.sock_name) {
rc = _finish_connecting(one_way);
if (rc < 0) {
qb_util_log(LOG_ERR, "socket connect-on-send");
return rc;
}
}
qb_sigpipe_ctl(QB_SIGPIPE_IGNORE);
rc = send(one_way->u.us.sock, msg_ptr, msg_len, MSG_NOSIGNAL);
if (rc == -1) {
rc = -errno;
if (errno != EAGAIN && errno != ENOBUFS) {
qb_util_perror(LOG_DEBUG, "socket_send:send");
}
}
qb_sigpipe_ctl(QB_SIGPIPE_DEFAULT);
if (ctl && rc == msg_len) {
qb_atomic_int_inc(&ctl->sent);
}
return rc;
}
static ssize_t
qb_ipc_socket_sendv(struct qb_ipc_one_way *one_way, const struct iovec *iov,
size_t iov_len)
{
int32_t rc;
struct ipc_us_control *ctl;
ctl = (struct ipc_us_control *)one_way->u.us.shared_data;
qb_sigpipe_ctl(QB_SIGPIPE_IGNORE);
if (one_way->u.us.sock_name) {
rc = _finish_connecting(one_way);
if (rc < 0) {
qb_util_perror(LOG_ERR, "socket connect-on-sendv");
qb_sigpipe_ctl(QB_SIGPIPE_DEFAULT);
return rc;
}
}
rc = writev(one_way->u.us.sock, iov, iov_len);
if (rc == -1) {
rc = -errno;
if (errno != EAGAIN && errno != ENOBUFS) {
qb_util_perror(LOG_DEBUG, "socket_sendv:writev %d",
one_way->u.us.sock);
}
}
qb_sigpipe_ctl(QB_SIGPIPE_DEFAULT);
if (ctl && rc > 0) {
qb_atomic_int_inc(&ctl->sent);
}
return rc;
}
/*
* recv a message of unknown size.
*/
static ssize_t
qb_ipc_us_recv_at_most(struct qb_ipc_one_way *one_way,
void *msg, size_t len, int32_t timeout)
{
int32_t result;
int32_t final_rc = 0;
int32_t to_recv = 0;
char *data = msg;
struct ipc_us_control *ctl = NULL;
int32_t time_waited = 0;
int32_t time_to_wait = timeout;
if (timeout == -1) {
time_to_wait = 1000;
}
qb_sigpipe_ctl(QB_SIGPIPE_IGNORE);
retry_peek:
result = recv(one_way->u.us.sock, data,
sizeof(struct qb_ipc_request_header),
MSG_NOSIGNAL | MSG_PEEK);
if (result == -1) {
if (errno != EAGAIN) {
final_rc = -errno;
#if !(defined(QB_LINUX) || defined(QB_CYGWIN))
if (errno == ECONNRESET || errno == EPIPE) {
final_rc = -ENOTCONN;
}
#endif
goto cleanup_sigpipe;
}
/* check to see if we have enough time left to try again */
if (time_waited < timeout || timeout == -1) {
result = qb_ipc_us_ready(one_way, NULL, time_to_wait, POLLIN);
if (qb_ipc_us_sock_error_is_disconnected(result)) {
final_rc = result;
goto cleanup_sigpipe;
}
time_waited += time_to_wait;
goto retry_peek;
} else if (time_waited >= timeout) {
final_rc = -ETIMEDOUT;
goto cleanup_sigpipe;
}
}
if (result >= sizeof(struct qb_ipc_request_header)) {
struct qb_ipc_request_header *hdr = NULL;
hdr = (struct qb_ipc_request_header *)msg;
to_recv = hdr->size;
}
result = recv(one_way->u.us.sock, data, to_recv,
MSG_NOSIGNAL | MSG_WAITALL);
if (result == -1) {
final_rc = -errno;
goto cleanup_sigpipe;
} else if (result == 0) {
qb_util_log(LOG_DEBUG, "recv == 0 -> ENOTCONN");
final_rc = -ENOTCONN;
goto cleanup_sigpipe;
}
final_rc = result;
ctl = (struct ipc_us_control *)one_way->u.us.shared_data;
if (ctl) {
(void)qb_atomic_int_dec_and_test(&ctl->sent);
}
cleanup_sigpipe:
qb_sigpipe_ctl(QB_SIGPIPE_DEFAULT);
return final_rc;
}
static void
qb_ipc_us_fc_set(struct qb_ipc_one_way *one_way, int32_t fc_enable)
{
struct ipc_us_control *ctl =
(struct ipc_us_control *)one_way->u.us.shared_data;
qb_util_log(LOG_TRACE, "setting fc to %d", fc_enable);
qb_atomic_int_set(&ctl->flow_control, fc_enable);
}
static int32_t
qb_ipc_us_fc_get(struct qb_ipc_one_way *one_way)
{
struct ipc_us_control *ctl =
(struct ipc_us_control *)one_way->u.us.shared_data;
return qb_atomic_int_get(&ctl->flow_control);
}
static ssize_t
qb_ipc_us_q_len_get(struct qb_ipc_one_way *one_way)
{
struct ipc_us_control *ctl =
(struct ipc_us_control *)one_way->u.us.shared_data;
return qb_atomic_int_get(&ctl->sent);
}
int32_t
qb_ipcc_us_connect(struct qb_ipcc_connection * c,
struct qb_ipc_connection_response * r)
{
int32_t res;
char path[PATH_MAX];
int32_t fd_hdr;
char *shm_ptr;
qb_atomic_init();
c->needs_sock_for_poll = QB_FALSE;
c->funcs.send = qb_ipc_socket_send;
c->funcs.sendv = qb_ipc_socket_sendv;
c->funcs.recv = qb_ipc_us_recv_at_most;
c->funcs.fc_get = qb_ipc_us_fc_get;
c->funcs.disconnect = qb_ipcc_us_disconnect;
fd_hdr = qb_sys_mmap_file_open(path, r->request,
SHM_CONTROL_SIZE, O_RDWR);
if (fd_hdr < 0) {
res = fd_hdr;
errno = -fd_hdr;
qb_util_perror(LOG_ERR, "couldn't open file for mmap");
return res;
}
(void)strlcpy(c->request.u.us.shared_file_name, r->request, NAME_MAX);
shm_ptr = mmap(0, SHM_CONTROL_SIZE,
PROT_READ | PROT_WRITE, MAP_SHARED, fd_hdr, 0);
if (shm_ptr == MAP_FAILED) {
res = -errno;
qb_util_perror(LOG_ERR, "couldn't create mmap for header");
goto cleanup_hdr;
}
c->request.u.us.shared_data = shm_ptr;
c->response.u.us.shared_data = shm_ptr + sizeof(struct ipc_us_control);
c->event.u.us.shared_data = shm_ptr + (2 * sizeof(struct ipc_us_control));
close(fd_hdr);
fd_hdr = -1;
res = qb_ipc_dgram_sock_connect(r->response, "response", "request",
- r->max_msg_size, &c->request.u.us.sock);
+ r->max_msg_size, &c->request.u.us.sock, c->egid);
if (res != 0) {
goto cleanup_hdr;
}
c->response.u.us.sock = c->request.u.us.sock;
res = qb_ipc_dgram_sock_connect(r->response, "event", "event-tx",
- r->max_msg_size, &c->event.u.us.sock);
+ r->max_msg_size, &c->event.u.us.sock, c->egid);
if (res != 0) {
goto cleanup_hdr;
}
return 0;
cleanup_hdr:
if (fd_hdr >= 0) {
close(fd_hdr);
}
close(c->event.u.us.sock);
close(c->request.u.us.sock);
unlink(r->request);
munmap(c->request.u.us.shared_data, SHM_CONTROL_SIZE);
return res;
}
/*
* service functions
* --------------------------------------------------------
*/
static int32_t
_sock_connection_liveliness(int32_t fd, int32_t revents, void *data)
{
struct qb_ipcs_connection *c = (struct qb_ipcs_connection *)data;
qb_util_log(LOG_DEBUG, "LIVENESS: fd %d event %d conn (%s)",
fd, revents, c->description);
if (revents & POLLNVAL) {
qb_util_log(LOG_DEBUG, "NVAL conn (%s)", c->description);
qb_ipcs_disconnect(c);
return -EINVAL;
}
if (revents & POLLHUP) {
qb_util_log(LOG_DEBUG, "HUP conn (%s)", c->description);
qb_ipcs_disconnect(c);
return -ESHUTDOWN;
}
/* If we actually get POLLIN for some reason here, it most
* certainly means EOF. Do a recv on the fd to detect eof and
* then disconnect */
if (revents & POLLIN) {
char buf[10];
int res;
res = recv(fd, buf, sizeof(buf), MSG_DONTWAIT);
if (res < 0 && errno != EAGAIN && errno != EWOULDBLOCK) {
res = -errno;
} else if (res == 0) {
qb_util_log(LOG_DEBUG, "EOF conn (%s)", c->description);
res = -ESHUTDOWN;
}
if (res < 0) {
qb_ipcs_disconnect(c);
return res;
}
}
return 0;
}
static int32_t
_sock_add_to_mainloop(struct qb_ipcs_connection *c)
{
int res;
res = c->service->poll_fns.dispatch_add(c->service->poll_priority,
c->request.u.us.sock,
POLLIN | POLLPRI | POLLNVAL,
c,
qb_ipcs_dispatch_connection_request);
if (res < 0) {
qb_util_log(LOG_ERR,
"Error adding socket to mainloop (%s).",
c->description);
return res;
}
res = c->service->poll_fns.dispatch_add(c->service->poll_priority,
c->setup.u.us.sock,
POLLIN | POLLPRI | POLLNVAL,
c, _sock_connection_liveliness);
qb_util_log(LOG_DEBUG, "added %d to poll loop (liveness)",
c->setup.u.us.sock);
if (res < 0) {
qb_util_perror(LOG_ERR, "Error adding setupfd to mainloop");
(void)c->service->poll_fns.dispatch_del(c->request.u.us.sock);
return res;
}
return res;
}
static void
_sock_rm_from_mainloop(struct qb_ipcs_connection *c)
{
(void)c->service->poll_fns.dispatch_del(c->request.u.us.sock);
(void)c->service->poll_fns.dispatch_del(c->setup.u.us.sock);
}
static void
qb_ipcs_us_disconnect(struct qb_ipcs_connection *c)
{
#if !(defined(QB_LINUX) || defined(QB_CYGWIN))
struct sockaddr_un un_addr;
socklen_t un_addr_len = sizeof(struct sockaddr_un);
char *base_name;
char sock_name[PATH_MAX];
size_t length;
#endif
qb_enter();
if (c->state == QB_IPCS_CONNECTION_ESTABLISHED ||
c->state == QB_IPCS_CONNECTION_ACTIVE) {
_sock_rm_from_mainloop(c);
#if !(defined(QB_LINUX) || defined(QB_CYGWIN))
if (getsockname(c->response.u.us.sock, (struct sockaddr *)&un_addr, &un_addr_len) == 0) {
length = strlen(un_addr.sun_path);
base_name = strndup(un_addr.sun_path,length-8);
qb_util_log(LOG_DEBUG, "unlinking socket bound files with base_name=%s length=%d",base_name,length);
snprintf(sock_name,PATH_MAX,"%s-%s",base_name,"request");
qb_util_log(LOG_DEBUG, "unlink sock_name=%s",sock_name);
unlink(sock_name);
snprintf(sock_name,PATH_MAX,"%s-%s",base_name,"event");
qb_util_log(LOG_DEBUG, "unlink sock_name=%s",sock_name);
unlink(sock_name);
snprintf(sock_name,PATH_MAX,"%s-%s",base_name,"event-tx");
qb_util_log(LOG_DEBUG, "unlink sock_name=%s",sock_name);
unlink(sock_name);
snprintf(sock_name,PATH_MAX,"%s-%s",base_name,"response");
qb_util_log(LOG_DEBUG, "unlink sock_name=%s",sock_name);
unlink(sock_name);
}
#endif
qb_ipcc_us_sock_close(c->setup.u.us.sock);
qb_ipcc_us_sock_close(c->request.u.us.sock);
qb_ipcc_us_sock_close(c->event.u.us.sock);
}
if (c->state == QB_IPCS_CONNECTION_SHUTTING_DOWN ||
c->state == QB_IPCS_CONNECTION_ACTIVE) {
munmap(c->request.u.us.shared_data, SHM_CONTROL_SIZE);
unlink(c->request.u.us.shared_file_name);
}
}
static int32_t
qb_ipcs_us_connect(struct qb_ipcs_service *s,
struct qb_ipcs_connection *c,
struct qb_ipc_connection_response *r)
{
char path[PATH_MAX];
int32_t fd_hdr;
int32_t res = 0;
struct ipc_us_control *ctl;
char *shm_ptr;
qb_util_log(LOG_DEBUG, "connecting to client (%s)", c->description);
c->request.u.us.sock = c->setup.u.us.sock;
c->response.u.us.sock = c->setup.u.us.sock;
snprintf(r->request, NAME_MAX, "qb-%s-control-%s",
s->name, c->description);
snprintf(r->response, NAME_MAX, "qb-%s-%s", s->name, c->description);
fd_hdr = qb_sys_mmap_file_open(path, r->request,
SHM_CONTROL_SIZE,
O_CREAT | O_TRUNC | O_RDWR);
if (fd_hdr < 0) {
res = fd_hdr;
errno = -fd_hdr;
qb_util_perror(LOG_ERR, "couldn't create file for mmap (%s)",
c->description);
return res;
}
(void)strlcpy(r->request, path, PATH_MAX);
(void)strlcpy(c->request.u.us.shared_file_name, r->request, NAME_MAX);
res = chown(r->request, c->auth.uid, c->auth.gid);
if (res != 0) {
/* ignore res, this is just for the compiler warnings.
*/
res = 0;
}
res = chmod(r->request, c->auth.mode);
if (res != 0) {
/* ignore res, this is just for the compiler warnings.
*/
res = 0;
}
shm_ptr = mmap(0, SHM_CONTROL_SIZE,
PROT_READ | PROT_WRITE, MAP_SHARED, fd_hdr, 0);
if (shm_ptr == MAP_FAILED) {
res = -errno;
qb_util_perror(LOG_ERR, "couldn't create mmap for header (%s)",
c->description);
goto cleanup_hdr;
}
c->request.u.us.shared_data = shm_ptr;
c->response.u.us.shared_data = shm_ptr + sizeof(struct ipc_us_control);
c->event.u.us.shared_data = shm_ptr + (2 * sizeof(struct ipc_us_control));
ctl = (struct ipc_us_control *)c->request.u.us.shared_data;
ctl->sent = 0;
ctl->flow_control = 0;
ctl = (struct ipc_us_control *)c->response.u.us.shared_data;
ctl->sent = 0;
ctl->flow_control = 0;
ctl = (struct ipc_us_control *)c->event.u.us.shared_data;
ctl->sent = 0;
ctl->flow_control = 0;
close(fd_hdr);
fd_hdr = -1;
/* request channel */
res = qb_ipc_dgram_sock_setup(r->response, "request",
- &c->request.u.us.sock);
+ &c->request.u.us.sock, c->egid);
if (res < 0) {
goto cleanup_hdr;
}
c->setup.u.us.sock_name = NULL;
c->request.u.us.sock_name = NULL;
/* response channel */
c->response.u.us.sock = c->request.u.us.sock;
snprintf(path, PATH_MAX, "%s-%s", r->response, "response");
c->response.u.us.sock_name = strdup(path);
/* event channel */
res = qb_ipc_dgram_sock_setup(r->response, "event-tx",
- &c->event.u.us.sock);
+ &c->event.u.us.sock, c->egid);
if (res < 0) {
goto cleanup_hdr;
}
snprintf(path, PATH_MAX, "%s-%s", r->response, "event");
c->event.u.us.sock_name = strdup(path);
res = _sock_add_to_mainloop(c);
if (res < 0) {
goto cleanup_hdr;
}
return res;
cleanup_hdr:
free(c->response.u.us.sock_name);
free(c->event.u.us.sock_name);
if (fd_hdr >= 0) {
close(fd_hdr);
}
unlink(r->request);
munmap(c->request.u.us.shared_data, SHM_CONTROL_SIZE);
return res;
}
void
qb_ipcs_us_init(struct qb_ipcs_service *s)
{
s->funcs.connect = qb_ipcs_us_connect;
s->funcs.disconnect = qb_ipcs_us_disconnect;
s->funcs.recv = qb_ipc_us_recv_at_most;
s->funcs.peek = NULL;
s->funcs.reclaim = NULL;
s->funcs.send = qb_ipc_socket_send;
s->funcs.sendv = qb_ipc_socket_sendv;
s->funcs.fc_set = qb_ipc_us_fc_set;
s->funcs.q_len_get = qb_ipc_us_q_len_get;
s->needs_sock_for_poll = QB_FALSE;
qb_atomic_init();
}

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