diff --git a/libknet/links.c b/libknet/links.c
index 16ef211b..fa63fd17 100644
--- a/libknet/links.c
+++ b/libknet/links.c
@@ -1,1575 +1,1597 @@
/*
* Copyright (C) 2012-2021 Red Hat, Inc. All rights reserved.
*
* Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
* Federico Simoncelli <fsimon@kronosnet.org>
*
* This software licensed under LGPL-2.0+
*/
#include "config.h"
#include <errno.h>
#include <netdb.h>
#include <string.h>
#include <pthread.h>
#include "netutils.h"
#include "internals.h"
#include "logging.h"
#include "links.h"
#include "transports.h"
#include "host.h"
#include "threads_common.h"
#include "links_acl.h"
int _link_updown(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
unsigned int enabled, unsigned int connected, unsigned int lock_stats)
{
struct knet_host *host = knet_h->host_index[host_id];
struct knet_link *link = &host->link[link_id];
int savederrno = 0;
if ((link->status.enabled == enabled) &&
(link->status.connected == connected))
return 0;
link->status.enabled = enabled;
link->status.connected = connected;
_host_dstcache_update_async(knet_h, knet_h->host_index[host_id]);
if ((link->status.dynconnected) &&
(!link->status.connected)) {
link->status.dynconnected = 0;
}
if (!connected) {
transport_link_is_down(knet_h, link);
}
if (lock_stats) {
savederrno = pthread_mutex_lock(&link->link_stats_mutex);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get stats mutex lock for host %u link %u: %s",
host_id, link_id, strerror(savederrno));
errno = savederrno;
return -1;
}
}
if (connected) {
time(&link->status.stats.last_up_times[link->status.stats.last_up_time_index]);
link->status.stats.up_count++;
if (++link->status.stats.last_up_time_index >= MAX_LINK_EVENTS) {
link->status.stats.last_up_time_index = 0;
}
} else {
time(&link->status.stats.last_down_times[link->status.stats.last_down_time_index]);
link->status.stats.down_count++;
if (++link->status.stats.last_down_time_index >= MAX_LINK_EVENTS) {
link->status.stats.last_down_time_index = 0;
}
}
if (lock_stats) {
pthread_mutex_unlock(&link->link_stats_mutex);
}
return 0;
}
void _link_clear_stats(knet_handle_t knet_h)
{
struct knet_host *host;
struct knet_link *link;
uint32_t host_id;
uint8_t link_id;
for (host_id = 0; host_id < KNET_MAX_HOST; host_id++) {
host = knet_h->host_index[host_id];
if (!host) {
continue;
}
for (link_id = 0; link_id < KNET_MAX_LINK; link_id++) {
link = &host->link[link_id];
memset(&link->status.stats, 0, sizeof(struct knet_link_stats));
}
}
}
int knet_link_set_config(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
uint8_t transport,
struct sockaddr_storage *src_addr,
struct sockaddr_storage *dst_addr,
uint64_t flags)
{
- int savederrno = 0, err = 0, i, wipelink = 0;
- struct knet_host *host;
+ int savederrno = 0, err = 0, i, wipelink = 0, link_idx;
+ struct knet_host *host, *tmp_host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (!src_addr) {
errno = EINVAL;
return -1;
}
if (dst_addr && (src_addr->ss_family != dst_addr->ss_family)) {
log_err(knet_h, KNET_SUB_LINK, "Source address family does not match destination address family");
errno = EINVAL;
return -1;
}
if (transport >= KNET_MAX_TRANSPORTS) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
if (transport == KNET_TRANSPORT_LOOPBACK && knet_h->host_id != host_id) {
log_err(knet_h, KNET_SUB_LINK, "Cannot create loopback link to remote node");
err = -1;
savederrno = EINVAL;
goto exit_unlock;
}
if (knet_h->host_id == host_id && knet_h->has_loop_link) {
log_err(knet_h, KNET_SUB_LINK, "Cannot create more than 1 link when loopback is active");
err = -1;
savederrno = EINVAL;
goto exit_unlock;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
if (transport == KNET_TRANSPORT_LOOPBACK && knet_h->host_id == host_id) {
for (i=0; i<KNET_MAX_LINK; i++) {
if (host->link[i].configured) {
log_err(knet_h, KNET_SUB_LINK, "Cannot add loopback link when other links are already configured.");
err = -1;
savederrno = EINVAL;
goto exit_unlock;
}
}
}
link = &host->link[link_id];
if (link->configured != 0) {
err =-1;
savederrno = EBUSY;
log_err(knet_h, KNET_SUB_LINK, "Host %u link %u is currently configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
if (link->status.enabled != 0) {
err =-1;
savederrno = EBUSY;
log_err(knet_h, KNET_SUB_LINK, "Host %u link %u is currently in use: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
/*
* errors happening after this point should trigger
* a memset of the link
*/
wipelink = 1;
copy_sockaddr(&link->src_addr, src_addr);
err = knet_addrtostr(src_addr, sizeof(struct sockaddr_storage),
link->status.src_ipaddr, KNET_MAX_HOST_LEN,
link->status.src_port, KNET_MAX_PORT_LEN);
if (err) {
if (err == EAI_SYSTEM) {
savederrno = errno;
log_warn(knet_h, KNET_SUB_LINK,
"Unable to resolve host: %u link: %u source addr/port: %s",
host_id, link_id, strerror(savederrno));
} else {
savederrno = EINVAL;
log_warn(knet_h, KNET_SUB_LINK,
"Unable to resolve host: %u link: %u source addr/port: %s",
host_id, link_id, gai_strerror(err));
}
err = -1;
goto exit_unlock;
}
if (!dst_addr) {
link->dynamic = KNET_LINK_DYNIP;
} else {
link->dynamic = KNET_LINK_STATIC;
copy_sockaddr(&link->dst_addr, dst_addr);
err = knet_addrtostr(dst_addr, sizeof(struct sockaddr_storage),
link->status.dst_ipaddr, KNET_MAX_HOST_LEN,
link->status.dst_port, KNET_MAX_PORT_LEN);
if (err) {
if (err == EAI_SYSTEM) {
savederrno = errno;
log_warn(knet_h, KNET_SUB_LINK,
"Unable to resolve host: %u link: %u destination addr/port: %s",
host_id, link_id, strerror(savederrno));
} else {
savederrno = EINVAL;
log_warn(knet_h, KNET_SUB_LINK,
"Unable to resolve host: %u link: %u destination addr/port: %s",
host_id, link_id, gai_strerror(err));
}
err = -1;
goto exit_unlock;
}
}
link->pmtud_crypto_timeout_multiplier = KNET_LINK_PMTUD_CRYPTO_TIMEOUT_MULTIPLIER_MIN;
link->pong_count = KNET_LINK_DEFAULT_PONG_COUNT;
link->has_valid_mtu = 0;
link->ping_interval = KNET_LINK_DEFAULT_PING_INTERVAL * 1000; /* microseconds */
link->pong_timeout = KNET_LINK_DEFAULT_PING_TIMEOUT * 1000; /* microseconds */
link->pong_timeout_backoff = KNET_LINK_PONG_TIMEOUT_BACKOFF;
link->pong_timeout_adj = link->pong_timeout * link->pong_timeout_backoff; /* microseconds */
link->latency_max_samples = KNET_LINK_DEFAULT_PING_PRECISION;
link->latency_cur_samples = 0;
link->flags = flags;
+ /*
+ * check for DYNIP vs STATIC collisions.
+ * example: link0 is static, user attempts to configure link1 as dynamic with the same source
+ * address/port.
+ * This configuration is invalid and would cause ACL collisions.
+ */
+ for (tmp_host = knet_h->host_head; tmp_host != NULL; tmp_host = tmp_host->next) {
+ for (link_idx = 0; link_idx < KNET_MAX_LINK; link_idx++) {
+ if (&tmp_host->link[link_idx] == link)
+ continue;
+
+ if ((!memcmp(&tmp_host->link[link_idx].src_addr, &link->src_addr, sizeof(struct sockaddr_storage))) &&
+ (tmp_host->link[link_idx].dynamic != link->dynamic)) {
+ savederrno = EINVAL;
+ err = -1;
+ log_err(knet_h, KNET_SUB_LINK, "Failed to configure host %u link %u dyn %u. Conflicts with host %u link %u dyn %u: %s",
+ host_id, link_id, link->dynamic, tmp_host->host_id, link_idx, tmp_host->link[link_idx].dynamic, strerror(savederrno));
+ goto exit_unlock;
+ }
+ }
+ }
+
savederrno = pthread_mutex_init(&link->link_stats_mutex, NULL);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to initialize link stats mutex: %s", strerror(savederrno));
err = -1;
goto exit_unlock;
}
if (transport_link_set_config(knet_h, link, transport) < 0) {
savederrno = errno;
err = -1;
goto exit_transport_err;
}
/*
* we can only configure default access lists if we know both endpoints
* and the protocol uses GENERIC_ACL, otherwise the protocol has
* to setup their own access lists above in transport_link_set_config.
*/
if ((transport_get_acl_type(knet_h, transport) == USE_GENERIC_ACL) &&
(link->dynamic == KNET_LINK_STATIC)) {
log_debug(knet_h, KNET_SUB_LINK, "Configuring default access lists for host: %u link: %u socket: %d",
host_id, link_id, link->outsock);
if ((check_add(knet_h, link->outsock, transport, -1,
&link->dst_addr, &link->dst_addr,
CHECK_TYPE_ADDRESS, CHECK_ACCEPT) < 0) && (errno != EEXIST)) {
log_warn(knet_h, KNET_SUB_LINK, "Failed to configure default access lists for host: %u link: %u", host_id, link_id);
savederrno = errno;
err = -1;
goto exit_acl_error;
}
}
/*
* no errors should happen after link is configured
*/
link->configured = 1;
log_debug(knet_h, KNET_SUB_LINK, "host: %u link: %u is configured",
host_id, link_id);
if (transport == KNET_TRANSPORT_LOOPBACK) {
knet_h->has_loop_link = 1;
knet_h->loop_link = link_id;
host->status.reachable = 1;
link->status.mtu = KNET_PMTUD_SIZE_V6;
} else {
/*
* calculate the minimum MTU that is safe to use,
* based on RFCs and that each network device should
* be able to support without any troubles
*/
if (link->dynamic == KNET_LINK_STATIC) {
/*
* with static link we can be more precise than using
* the generic calc_min_mtu()
*/
switch (link->dst_addr.ss_family) {
case AF_INET6:
link->status.mtu = calc_max_data_outlen(knet_h, KNET_PMTUD_MIN_MTU_V6 - (KNET_PMTUD_OVERHEAD_V6 + link->proto_overhead));
break;
case AF_INET:
link->status.mtu = calc_max_data_outlen(knet_h, KNET_PMTUD_MIN_MTU_V4 - (KNET_PMTUD_OVERHEAD_V4 + link->proto_overhead));
break;
}
} else {
/*
* for dynamic links we start with the minimum MTU
* possible and PMTUd will kick in immediately
* after connection status is 1
*/
link->status.mtu = calc_min_mtu(knet_h);
}
link->has_valid_mtu = 1;
}
exit_acl_error:
/*
* if creating access lists has error, we only need to clean
* the transport and the stuff below.
*/
if (err < 0) {
if ((transport_link_clear_config(knet_h, link) < 0) &&
(errno != EBUSY)) {
log_warn(knet_h, KNET_SUB_LINK, "Failed to deconfigure transport for host %u link %u: %s", host_id, link_id, strerror(errno));
}
}
exit_transport_err:
/*
* if transport has errors, transport will clean after itself
* and we only need to clean the mutex
*/
if (err < 0) {
pthread_mutex_destroy(&link->link_stats_mutex);
}
exit_unlock:
/*
* re-init the link on error
*/
if ((err < 0) && (wipelink)) {
memset(link, 0, sizeof(struct knet_link));
link->link_id = link_id;
}
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_get_config(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
uint8_t *transport,
struct sockaddr_storage *src_addr,
struct sockaddr_storage *dst_addr,
uint8_t *dynamic,
uint64_t *flags)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (!src_addr) {
errno = EINVAL;
return -1;
}
if (!dynamic) {
errno = EINVAL;
return -1;
}
if (!transport) {
errno = EINVAL;
return -1;
}
if (!flags) {
errno = EINVAL;
return -1;
}
savederrno = pthread_rwlock_rdlock(&knet_h->global_rwlock);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get read lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
if ((link->dynamic == KNET_LINK_STATIC) && (!dst_addr)) {
savederrno = EINVAL;
err = -1;
goto exit_unlock;
}
memmove(src_addr, &link->src_addr, sizeof(struct sockaddr_storage));
*transport = link->transport;
*flags = link->flags;
if (link->dynamic == KNET_LINK_STATIC) {
*dynamic = 0;
memmove(dst_addr, &link->dst_addr, sizeof(struct sockaddr_storage));
} else {
*dynamic = 1;
}
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_clear_config(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
int sock;
uint8_t transport;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (link->configured != 1) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
if (link->status.enabled != 0) {
err = -1;
savederrno = EBUSY;
log_err(knet_h, KNET_SUB_LINK, "Host %u link %u is currently in use: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
/*
* remove well known access lists here.
* After the transport has done clearing the config,
* then we can remove any leftover access lists if the link
* is no longer in use.
*/
if ((transport_get_acl_type(knet_h, link->transport) == USE_GENERIC_ACL) &&
(link->dynamic == KNET_LINK_STATIC)) {
if ((check_rm(knet_h, link->outsock, link->transport,
&link->dst_addr, &link->dst_addr,
CHECK_TYPE_ADDRESS, CHECK_ACCEPT) < 0) && (errno != ENOENT)) {
err = -1;
savederrno = errno;
log_err(knet_h, KNET_SUB_LINK, "Host %u link %u: unable to remove default access list",
host_id, link_id);
goto exit_unlock;
}
}
/*
* cache it for later as we don't know if the transport
* will clear link info during clear_config.
*/
sock = link->outsock;
transport = link->transport;
if ((transport_link_clear_config(knet_h, link) < 0) &&
(errno != EBUSY)) {
savederrno = errno;
err = -1;
goto exit_unlock;
}
/*
* remove any other access lists when the socket is no
* longer in use by the transport.
*/
if ((transport_get_acl_type(knet_h, transport) == USE_GENERIC_ACL) &&
(knet_h->knet_transport_fd_tracker[sock].transport == KNET_MAX_TRANSPORTS)) {
check_rmall(knet_h, sock, transport);
}
pthread_mutex_destroy(&link->link_stats_mutex);
memset(link, 0, sizeof(struct knet_link));
link->link_id = link_id;
if (knet_h->has_loop_link && host_id == knet_h->host_id && link_id == knet_h->loop_link) {
knet_h->has_loop_link = 0;
if (host->active_link_entries == 0) {
host->status.reachable = 0;
}
}
log_debug(knet_h, KNET_SUB_LINK, "host: %u link: %u config has been wiped",
host_id, link_id);
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_set_enable(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
unsigned int enabled)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (enabled > 1) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get read lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
if (link->status.enabled == enabled) {
err = 0;
goto exit_unlock;
}
err = _link_updown(knet_h, host_id, link_id, enabled, link->status.connected, 0);
savederrno = errno;
if (enabled) {
goto exit_unlock;
}
log_debug(knet_h, KNET_SUB_LINK, "host: %u link: %u is disabled",
host_id, link_id);
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_get_enable(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
unsigned int *enabled)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (!enabled) {
errno = EINVAL;
return -1;
}
savederrno = pthread_rwlock_rdlock(&knet_h->global_rwlock);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get read lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
*enabled = link->status.enabled;
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_set_pong_count(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
uint8_t pong_count)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (pong_count < 1) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
link->pong_count = pong_count;
log_debug(knet_h, KNET_SUB_LINK,
"host: %u link: %u pong count update: %u",
host_id, link_id, link->pong_count);
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_get_pong_count(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
uint8_t *pong_count)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (!pong_count) {
errno = EINVAL;
return -1;
}
savederrno = pthread_rwlock_rdlock(&knet_h->global_rwlock);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get read lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
*pong_count = link->pong_count;
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_set_ping_timers(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
time_t interval, time_t timeout, unsigned int precision)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (!interval) {
errno = EINVAL;
return -1;
}
if (!timeout) {
errno = ENOSYS;
return -1;
}
if (!precision) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
link->ping_interval = interval * 1000; /* microseconds */
link->pong_timeout = timeout * 1000; /* microseconds */
link->latency_max_samples = precision;
log_debug(knet_h, KNET_SUB_LINK,
"host: %u link: %u timeout update - interval: %llu timeout: %llu precision: %u",
host_id, link_id, link->ping_interval, link->pong_timeout, precision);
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_get_ping_timers(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
time_t *interval, time_t *timeout, unsigned int *precision)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (!interval) {
errno = EINVAL;
return -1;
}
if (!timeout) {
errno = EINVAL;
return -1;
}
if (!precision) {
errno = EINVAL;
return -1;
}
savederrno = pthread_rwlock_rdlock(&knet_h->global_rwlock);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get read lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
*interval = link->ping_interval / 1000; /* microseconds */
*timeout = link->pong_timeout / 1000;
*precision = link->latency_max_samples;
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_set_priority(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
uint8_t priority)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
uint8_t old_priority;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
old_priority = link->priority;
if (link->priority == priority) {
err = 0;
goto exit_unlock;
}
link->priority = priority;
if (_host_dstcache_update_sync(knet_h, host)) {
savederrno = errno;
log_debug(knet_h, KNET_SUB_LINK,
"Unable to update link priority (host: %u link: %u priority: %u): %s",
host_id, link_id, link->priority, strerror(savederrno));
link->priority = old_priority;
err = -1;
goto exit_unlock;
}
log_debug(knet_h, KNET_SUB_LINK,
"host: %u link: %u priority set to: %u",
host_id, link_id, link->priority);
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_get_priority(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
uint8_t *priority)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (!priority) {
errno = EINVAL;
return -1;
}
savederrno = pthread_rwlock_rdlock(&knet_h->global_rwlock);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get read lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
*priority = link->priority;
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_get_link_list(knet_handle_t knet_h, knet_node_id_t host_id,
uint8_t *link_ids, size_t *link_ids_entries)
{
int savederrno = 0, err = 0, i, count = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (!link_ids) {
errno = EINVAL;
return -1;
}
if (!link_ids_entries) {
errno = EINVAL;
return -1;
}
savederrno = pthread_rwlock_rdlock(&knet_h->global_rwlock);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get read lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
for (i = 0; i < KNET_MAX_LINK; i++) {
link = &host->link[i];
if (!link->configured) {
continue;
}
link_ids[count] = i;
count++;
}
*link_ids_entries = count;
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_get_status(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
struct knet_link_status *status, size_t struct_size)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
if (!status) {
errno = EINVAL;
return -1;
}
savederrno = pthread_rwlock_rdlock(&knet_h->global_rwlock);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get read lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
savederrno = pthread_mutex_lock(&link->link_stats_mutex);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get stats mutex lock for host %u link %u: %s",
host_id, link_id, strerror(savederrno));
err = -1;
goto exit_unlock;
}
memmove(status, &link->status, struct_size);
pthread_mutex_unlock(&link->link_stats_mutex);
/* Calculate totals - no point in doing this on-the-fly */
status->stats.rx_total_packets =
status->stats.rx_data_packets +
status->stats.rx_ping_packets +
status->stats.rx_pong_packets +
status->stats.rx_pmtu_packets;
status->stats.tx_total_packets =
status->stats.tx_data_packets +
status->stats.tx_ping_packets +
status->stats.tx_pong_packets +
status->stats.tx_pmtu_packets;
status->stats.rx_total_bytes =
status->stats.rx_data_bytes +
status->stats.rx_ping_bytes +
status->stats.rx_pong_bytes +
status->stats.rx_pmtu_bytes;
status->stats.tx_total_bytes =
status->stats.tx_data_bytes +
status->stats.tx_ping_bytes +
status->stats.tx_pong_bytes +
status->stats.tx_pmtu_bytes;
status->stats.tx_total_errors =
status->stats.tx_data_errors +
status->stats.tx_ping_errors +
status->stats.tx_pong_errors +
status->stats.tx_pmtu_errors;
status->stats.tx_total_retries =
status->stats.tx_data_retries +
status->stats.tx_ping_retries +
status->stats.tx_pong_retries +
status->stats.tx_pmtu_retries;
/* Tell the caller our full size in case they have an old version */
status->size = sizeof(struct knet_link_status);
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = err ? savederrno : 0;
return err;
}
int knet_link_add_acl(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
struct sockaddr_storage *ss1,
struct sockaddr_storage *ss2,
check_type_t type, check_acceptreject_t acceptreject)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (!ss1) {
errno = EINVAL;
return -1;
}
if ((type != CHECK_TYPE_ADDRESS) &&
(type != CHECK_TYPE_MASK) &&
(type != CHECK_TYPE_RANGE)) {
errno = EINVAL;
return -1;
}
if ((acceptreject != CHECK_ACCEPT) &&
(acceptreject != CHECK_REJECT)) {
errno = EINVAL;
return -1;
}
if ((type != CHECK_TYPE_ADDRESS) && (!ss2)) {
errno = EINVAL;
return -1;
}
if ((type == CHECK_TYPE_RANGE) &&
(ss1->ss_family != ss2->ss_family)) {
errno = EINVAL;
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
if (link->dynamic != KNET_LINK_DYNIP) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is a point to point connection: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
err = check_add(knet_h, transport_link_get_acl_fd(knet_h, link), link->transport, -1,
ss1, ss2, type, acceptreject);
savederrno = errno;
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = savederrno;
return err;
}
int knet_link_insert_acl(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
int index,
struct sockaddr_storage *ss1,
struct sockaddr_storage *ss2,
check_type_t type, check_acceptreject_t acceptreject)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (!ss1) {
errno = EINVAL;
return -1;
}
if ((type != CHECK_TYPE_ADDRESS) &&
(type != CHECK_TYPE_MASK) &&
(type != CHECK_TYPE_RANGE)) {
errno = EINVAL;
return -1;
}
if ((acceptreject != CHECK_ACCEPT) &&
(acceptreject != CHECK_REJECT)) {
errno = EINVAL;
return -1;
}
if ((type != CHECK_TYPE_ADDRESS) && (!ss2)) {
errno = EINVAL;
return -1;
}
if ((type == CHECK_TYPE_RANGE) &&
(ss1->ss_family != ss2->ss_family)) {
errno = EINVAL;
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
if (link->dynamic != KNET_LINK_DYNIP) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is a point to point connection: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
err = check_add(knet_h, transport_link_get_acl_fd(knet_h, link), link->transport, index,
ss1, ss2, type, acceptreject);
savederrno = errno;
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = savederrno;
return err;
}
int knet_link_rm_acl(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id,
struct sockaddr_storage *ss1,
struct sockaddr_storage *ss2,
check_type_t type, check_acceptreject_t acceptreject)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (!ss1) {
errno = EINVAL;
return -1;
}
if ((type != CHECK_TYPE_ADDRESS) &&
(type != CHECK_TYPE_MASK) &&
(type != CHECK_TYPE_RANGE)) {
errno = EINVAL;
return -1;
}
if ((acceptreject != CHECK_ACCEPT) &&
(acceptreject != CHECK_REJECT)) {
errno = EINVAL;
return -1;
}
if ((type != CHECK_TYPE_ADDRESS) && (!ss2)) {
errno = EINVAL;
return -1;
}
if ((type == CHECK_TYPE_RANGE) &&
(ss1->ss_family != ss2->ss_family)) {
errno = EINVAL;
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
if (link->dynamic != KNET_LINK_DYNIP) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is a point to point connection: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
err = check_rm(knet_h, transport_link_get_acl_fd(knet_h, link), link->transport,
ss1, ss2, type, acceptreject);
savederrno = errno;
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = savederrno;
return err;
}
int knet_link_clear_acl(knet_handle_t knet_h, knet_node_id_t host_id, uint8_t link_id)
{
int savederrno = 0, err = 0;
struct knet_host *host;
struct knet_link *link;
if (!_is_valid_handle(knet_h)) {
return -1;
}
if (link_id >= KNET_MAX_LINK) {
errno = EINVAL;
return -1;
}
savederrno = get_global_wrlock(knet_h);
if (savederrno) {
log_err(knet_h, KNET_SUB_LINK, "Unable to get write lock: %s",
strerror(savederrno));
errno = savederrno;
return -1;
}
host = knet_h->host_index[host_id];
if (!host) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "Unable to find host %u: %s",
host_id, strerror(savederrno));
goto exit_unlock;
}
link = &host->link[link_id];
if (!link->configured) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is not configured: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
if (link->dynamic != KNET_LINK_DYNIP) {
err = -1;
savederrno = EINVAL;
log_err(knet_h, KNET_SUB_LINK, "host %u link %u is a point to point connection: %s",
host_id, link_id, strerror(savederrno));
goto exit_unlock;
}
check_rmall(knet_h, transport_link_get_acl_fd(knet_h, link), link->transport);
exit_unlock:
pthread_rwlock_unlock(&knet_h->global_rwlock);
errno = savederrno;
return err;
}
diff --git a/libknet/tests/api_knet_link_set_config.c b/libknet/tests/api_knet_link_set_config.c
index 2aab41b3..402b51c6 100644
--- a/libknet/tests/api_knet_link_set_config.c
+++ b/libknet/tests/api_knet_link_set_config.c
@@ -1,302 +1,313 @@
/*
* Copyright (C) 2016-2021 Red Hat, Inc. All rights reserved.
*
* Authors: Fabio M. Di Nitto <fabbione@kronosnet.org>
*
* This software licensed under GPL-2.0+
*/
#include "config.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "libknet.h"
#include "internals.h"
#include "links.h"
#include "netutils.h"
#include "test-common.h"
static void test(void)
{
knet_handle_t knet_h;
struct knet_host *host;
struct knet_link *link;
int logfds[2];
char lo_portstr[32];
struct sockaddr_storage lo, lo6;
struct sockaddr_in *lo_in = (struct sockaddr_in *)&lo;
struct knet_link_status link_status;
if (make_local_sockaddr(&lo, -1) < 0) {
printf("Unable to convert src to sockaddr: %s\n", strerror(errno));
exit(FAIL);
}
sprintf(lo_portstr, "%d", ntohs(lo_in->sin_port));
printf("Test knet_link_set_config incorrect knet_h\n");
if ((!knet_link_set_config(NULL, 1, 0, KNET_TRANSPORT_UDP, &lo, &lo, 0)) || (errno != EINVAL)) {
printf("knet_link_set_config accepted invalid knet_h or returned incorrect error: %s\n", strerror(errno));
exit(FAIL);
}
setup_logpipes(logfds);
knet_h = knet_handle_start(logfds, KNET_LOG_DEBUG);
printf("Test knet_link_set_config with unconfigured host_id\n");
if ((!knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, &lo, 0)) || (errno != EINVAL)) {
printf("knet_link_set_config accepted invalid host_id or returned incorrect error: %s\n", strerror(errno));
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
printf("Test knet_link_set_config with bad transport type\n");
if ((!knet_link_set_config(knet_h, 1, 0, KNET_MAX_TRANSPORTS, &lo, &lo, 0)) || (errno != EINVAL)) {
printf("knet_link_set_config accepted invalid transport or returned incorrect error: %s\n", strerror(errno));
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
flush_logs(logfds[0], stdout);
printf("Test knet_link_set_config with incorrect linkid\n");
if (knet_host_add(knet_h, 1) < 0) {
printf("Unable to add host_id 1: %s\n", strerror(errno));
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
if ((!knet_link_set_config(knet_h, 1, KNET_MAX_LINK, KNET_TRANSPORT_UDP, &lo, &lo, 0)) || (errno != EINVAL)) {
printf("knet_link_set_config accepted invalid linkid or returned incorrect error: %s\n", strerror(errno));
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
flush_logs(logfds[0], stdout);
printf("Test knet_link_set_config with incorrect src_addr\n");
if ((!knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, NULL, &lo, 0)) || (errno != EINVAL)) {
printf("knet_link_set_config accepted invalid src_addr or returned incorrect error: %s\n", strerror(errno));
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
flush_logs(logfds[0], stdout);
printf("Test knet_link_set_config with conflicting address families\n");
if (make_local_sockaddr6(&lo6, -1) < 0) {
printf("Unable to convert dst to sockaddr: %s\n", strerror(errno));
exit(FAIL);
}
if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, &lo6, 0) == 0) {
printf("knet_link_set_config accepted invalid address families: %s\n", strerror(errno));
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
flush_logs(logfds[0], stdout);
printf("Test knet_link_set_config with dynamic dst_addr\n");
if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, NULL, 0) < 0) {
printf("Unable to configure link: %s\n", strerror(errno));
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
host = knet_h->host_index[1];
link = &host->link[0];
if (knet_h->knet_transport_fd_tracker[link->outsock].access_list_match_entry_head) {
printf("found access lists for dynamic dst_addr!\n");
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
if (knet_link_get_status(knet_h, 1, 0, &link_status, sizeof(struct knet_link_status)) < 0) {
printf("Unable to get link status: %s\n", strerror(errno));
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
if ((link_status.enabled != 0) ||
(strcmp(link_status.src_ipaddr, "127.0.0.1")) ||
(strcmp(link_status.src_port, lo_portstr)) ||
(knet_h->host_index[1]->link[0].dynamic != KNET_LINK_DYNIP)) {
printf("knet_link_set_config failed to set configuration. enabled: %d src_addr %s src_port %s dynamic %u\n",
link_status.enabled, link_status.src_ipaddr, link_status.src_port, knet_h->host_index[1]->link[0].dynamic);
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
flush_logs(logfds[0], stdout);
+ printf("Test knet_link_set_config with dynamic link (0) and static link (1)\n");
+
+ if (!knet_link_set_config(knet_h, 1, 1, KNET_TRANSPORT_UDP, &lo, &lo, 0) || (errno != EINVAL)) {
+ printf("knet_link_set_config accepted request mixed static/dynamic request or returned incorrect error: %s\n", strerror(errno));
+ knet_host_remove(knet_h, 1);
+ knet_handle_free(knet_h);
+ flush_logs(logfds[0], stdout);
+ close_logpipes(logfds);
+ exit(FAIL);
+ }
+
printf("Test knet_link_set_config with already configured link\n");
if ((!knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, NULL, 0) || (errno != EBUSY))) {
printf("knet_link_set_config accepted request while link configured or returned incorrect error: %s\n", strerror(errno));
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
printf("Test knet_link_set_config with link enabled\n");
if (knet_link_set_enable(knet_h, 1, 0, 1) < 0) {
printf("Unable to enable link: %s\n", strerror(errno));
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
if (knet_link_get_status(knet_h, 1, 0, &link_status, sizeof(struct knet_link_status)) < 0) {
printf("Unable to get link status: %s\n", strerror(errno));
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
if ((!knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, NULL, 0)) || (errno != EBUSY)) {
printf("knet_link_set_config accepted request while link enabled or returned incorrect error: %s\n", strerror(errno));
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
if (knet_link_set_enable(knet_h, 1, 0, 0) < 0) {
printf("Unable to disable link: %s\n", strerror(errno));
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
if (knet_link_clear_config(knet_h, 1, 0) < 0) {
printf("Unable to clear link config: %s\n", strerror(errno));
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
printf("Test knet_link_set_config with static dst_addr\n");
if (knet_link_set_config(knet_h, 1, 0, KNET_TRANSPORT_UDP, &lo, &lo, 0) < 0) {
printf("Unable to configure link: %s\n", strerror(errno));
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
host = knet_h->host_index[1];
link = &host->link[0];
if (!knet_h->knet_transport_fd_tracker[link->outsock].access_list_match_entry_head) {
printf("Unable to find default access lists for static dst_addr!\n");
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
if (knet_link_get_status(knet_h, 1, 0, &link_status, sizeof(struct knet_link_status)) < 0) {
printf("Unable to get link status: %s\n", strerror(errno));
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
if ((link_status.enabled != 0) ||
(strcmp(link_status.src_ipaddr, "127.0.0.1")) ||
(strcmp(link_status.src_port, lo_portstr)) ||
(strcmp(link_status.dst_ipaddr, "127.0.0.1")) ||
(strcmp(link_status.dst_port, lo_portstr)) ||
(knet_h->host_index[1]->link[0].dynamic != KNET_LINK_STATIC)) {
printf("knet_link_set_config failed to set configuration. enabled: %d src_addr %s src_port %s dst_addr %s dst_port %s dynamic %u\n",
link_status.enabled, link_status.src_ipaddr, link_status.src_port, link_status.dst_ipaddr, link_status.dst_port, knet_h->host_index[1]->link[0].dynamic);
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
exit(FAIL);
}
flush_logs(logfds[0], stdout);
knet_link_clear_config(knet_h, 1, 0);
knet_host_remove(knet_h, 1);
knet_handle_free(knet_h);
flush_logs(logfds[0], stdout);
close_logpipes(logfds);
}
int main(int argc, char *argv[])
{
test();
return PASS;
}