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-rw-r--r--src/ipcpd/normal/fmgr.c17
-rw-r--r--src/ipcpd/normal/main.c83
-rw-r--r--src/ipcpd/normal/ribmgr.c61
3 files changed, 75 insertions, 86 deletions
diff --git a/src/ipcpd/normal/fmgr.c b/src/ipcpd/normal/fmgr.c
index 70afff37..1c8330a8 100644
--- a/src/ipcpd/normal/fmgr.c
+++ b/src/ipcpd/normal/fmgr.c
@@ -81,17 +81,16 @@ static void * fmgr_listen(void * o)
char * ae_name;
while (true) {
- pthread_mutex_lock(&_ipcp->state_lock);
- while (!(_ipcp->state == IPCP_ENROLLED ||
- _ipcp->state == IPCP_SHUTDOWN))
- pthread_cond_wait(&_ipcp->state_cond,
- &_ipcp->state_lock);
-
- if (_ipcp->state == IPCP_SHUTDOWN) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ ipcp_wait_state(_ipcp, IPCP_ENROLLED, NULL);
+
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+
+ if (ipcp_get_state(_ipcp) == IPCP_SHUTDOWN) {
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
- pthread_mutex_unlock(&_ipcp->state_lock);
+
+ pthread_rwlock_unlock(&_ipcp->state_lock);
fd = flow_accept(&ae_name);
if (fd < 0) {
diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c
index 4173246d..9479b806 100644
--- a/src/ipcpd/normal/main.c
+++ b/src/ipcpd/normal/main.c
@@ -75,13 +75,11 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
LOG_DBG("Terminating by order of %d. Bye.",
info->si_pid);
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
- ipcp_state_change(_ipcp, IPCP_SHUTDOWN);
+ ipcp_set_state(_ipcp, IPCP_SHUTDOWN);
- pthread_mutex_unlock(&_ipcp->state_lock);
-
- pthread_cancel(normal_data(_ipcp)->mainloop);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (fmgr_fini())
LOG_ERR("Failed to finalize flow manager.");
@@ -99,21 +97,15 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
static int normal_ipcp_name_reg(char * name)
{
- pthread_mutex_lock(&_ipcp->state_lock);
-
- if (_ipcp->state != IPCP_ENROLLED) {
- pthread_mutex_unlock(&_ipcp->state_lock);
- LOG_ERR("Won't register with non-enrolled IPCP.");
- return -1; /* -ENOTENROLLED */
- }
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
if (ipcp_data_add_reg_entry(_ipcp->data, name)) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to add %s to local registry.", name);
return -1;
}
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Registered %s.", name);
@@ -122,11 +114,11 @@ static int normal_ipcp_name_reg(char * name)
static int normal_ipcp_name_unreg(char * name)
{
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
ipcp_data_del_reg_entry(_ipcp->data, name);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -135,62 +127,59 @@ static int normal_ipcp_enroll(char * dif_name)
{
struct timespec timeout = {(ENROLL_TIMEOUT / 1000),
(ENROLL_TIMEOUT % 1000) * MILLION};
- struct timespec abstime;
-
- clock_gettime(PTHREAD_COND_CLOCK, &abstime);
- ts_add(&abstime, &timeout, &abstime);
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
- if (_ipcp->state != IPCP_INIT) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ if (ipcp_get_state(_ipcp) != IPCP_INIT) {
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Won't enroll an IPCP that is not in INIT.");
return -1; /* -ENOTINIT */
}
- pthread_mutex_unlock(&_ipcp->state_lock);
-
if (fmgr_mgmt_flow(dif_name)) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to establish management flow.");
return -1;
}
- pthread_mutex_lock(&_ipcp->state_lock);
- while (_ipcp->state != IPCP_ENROLLED)
- if (pthread_cond_timedwait(&_ipcp->state_cond,
- &_ipcp->state_lock,
- &abstime) == ETIMEDOUT) {
- pthread_mutex_unlock(&_ipcp->state_lock);
- LOG_ERR("Enrollment didn't complete in time.");
- return -1;
- }
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
+
+ if (ipcp_wait_state(_ipcp, IPCP_ENROLLED, &timeout) == -ETIMEDOUT) {
+ LOG_ERR("Enrollment timed out.");
+ return -1;
+ }
+
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
+
+ if (ipcp_get_state(_ipcp) != IPCP_ENROLLED) {
+ pthread_rwlock_unlock(&_ipcp->state_lock);
+ return -1;
+ }
return 0;
}
static int normal_ipcp_bootstrap(struct dif_config * conf)
{
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
- if (_ipcp->state != IPCP_INIT) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ if (ipcp_get_state(_ipcp) != IPCP_INIT) {
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Won't bootstrap an IPCP that is not in INIT.");
return -1; /* -ENOTINIT */
}
if (ribmgr_bootstrap(conf)) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to bootstrap RIB manager.");
return -1;
}
- ipcp_state_change(_ipcp, IPCP_ENROLLED);
+ ipcp_set_state(_ipcp, IPCP_ENROLLED);
_ipcp->data->dif_name = conf->dif_name;
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_DBG("Bootstrapped in DIF %s.", conf->dif_name);
@@ -247,9 +236,9 @@ void normal_ipcp_data_destroy()
if (_ipcp == NULL)
return;
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_rdlock(&_ipcp->state_lock);
- if (_ipcp->state != IPCP_SHUTDOWN)
+ if (ipcp_get_state(_ipcp) != IPCP_SHUTDOWN)
LOG_WARN("Cleaning up while not in shutdown.");
if (normal_data(_ipcp)->dum != NULL)
@@ -257,7 +246,7 @@ void normal_ipcp_data_destroy()
if (normal_data(_ipcp)->rb != NULL)
shm_ap_rbuff_close(normal_data(_ipcp)->rb);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
ipcp_data_destroy(_ipcp->data);
}
@@ -331,8 +320,6 @@ int main(int argc, char * argv[])
exit(EXIT_FAILURE);
}
- pthread_mutex_lock(&_ipcp->state_lock);
-
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
pthread_create(&normal_data(_ipcp)->mainloop, NULL,
@@ -340,8 +327,6 @@ int main(int argc, char * argv[])
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
- pthread_mutex_unlock(&_ipcp->state_lock);
-
if (ipcp_create_r(getpid())) {
LOG_ERR("Failed to notify IRMd we are initialized.");
normal_ipcp_data_destroy();
diff --git a/src/ipcpd/normal/ribmgr.c b/src/ipcpd/normal/ribmgr.c
index c8d517b5..9b61e180 100644
--- a/src/ipcpd/normal/ribmgr.c
+++ b/src/ipcpd/normal/ribmgr.c
@@ -254,15 +254,15 @@ int ribmgr_cdap_write(struct cdap * instance,
static_info_msg_t * msg;
int ret = 0;
- pthread_mutex_lock(&_ipcp->state_lock);
- if (_ipcp->state == IPCP_PENDING_ENROLL &&
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
+ if (ipcp_get_state(_ipcp) == IPCP_PENDING_ENROLL &&
strcmp(name, STATIC_INFO) == 0) {
LOG_DBG("Received static DIF information.");
msg = static_info_msg__unpack(NULL, len, data);
if (msg == NULL) {
- ipcp_state_change(_ipcp, IPCP_INIT);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ ipcp_set_state(_ipcp, IPCP_INIT);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
cdap_send_reply(instance, invoke_id, -1, NULL, 0);
LOG_ERR("Failed to unpack static info message.");
return -1;
@@ -280,8 +280,8 @@ int ribmgr_cdap_write(struct cdap * instance,
rib->address = msg->address;
if (frct_init(&rib->dtc, rib->address)) {
- ipcp_state_change(_ipcp, IPCP_INIT);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ ipcp_set_state(_ipcp, IPCP_INIT);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
cdap_send_reply(instance, invoke_id, -1, NULL, 0);
static_info_msg__free_unpacked(msg, NULL);
LOG_ERR("Failed to init FRCT");
@@ -289,9 +289,11 @@ int ribmgr_cdap_write(struct cdap * instance,
}
static_info_msg__free_unpacked(msg, NULL);
- } else
+ } else {
ret = -1;
- pthread_mutex_unlock(&_ipcp->state_lock);
+ }
+
+ pthread_rwlock_unlock(&_ipcp->state_lock);
if (cdap_send_reply(instance, invoke_id, ret, NULL, 0)) {
LOG_ERR("Failed to send reply to write request.");
@@ -332,13 +334,13 @@ int ribmgr_cdap_start(struct cdap * instance,
size_t len = 0;
int iid = 0;
- pthread_mutex_lock(&_ipcp->state_lock);
- if (_ipcp->state == IPCP_ENROLLED &&
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
+ if (ipcp_get_state(_ipcp) == IPCP_ENROLLED &&
strcmp(name, ENROLLMENT) == 0) {
LOG_DBG("New enrollment request.");
if (cdap_send_reply(instance, invoke_id, 0, NULL, 0)) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to send reply to enrollment request.");
return -1;
}
@@ -357,14 +359,14 @@ int ribmgr_cdap_start(struct cdap * instance,
len = static_info_msg__get_packed_size(&stat_info);
if (len == 0) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to get size of static information.");
return -1;
}
data = malloc(len);
if (data == NULL) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to allocate memory.");
return -1;
}
@@ -378,7 +380,7 @@ int ribmgr_cdap_start(struct cdap * instance,
iid = cdap_send_write(instance, STATIC_INFO, data, len, 0);
if (iid < 0) {
pthread_mutex_unlock(&rib->cdap_reqs_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(data);
LOG_ERR("Failed to send static information.");
return -1;
@@ -386,7 +388,7 @@ int ribmgr_cdap_start(struct cdap * instance,
if (cdap_result_wait(instance, WRITE, STATIC_INFO, iid)) {
pthread_mutex_unlock(&rib->cdap_reqs_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(data);
LOG_ERR("Remote did not receive static information.");
return -1;
@@ -402,7 +404,7 @@ int ribmgr_cdap_start(struct cdap * instance,
iid = cdap_send_stop(instance, ENROLLMENT);
if (iid < 0) {
pthread_mutex_unlock(&rib->cdap_reqs_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(data);
LOG_ERR("Failed to send stop of enrollment.");
return -1;
@@ -410,7 +412,7 @@ int ribmgr_cdap_start(struct cdap * instance,
if (cdap_result_wait(instance, STOP, ENROLLMENT, iid)) {
pthread_mutex_unlock(&rib->cdap_reqs_lock);
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
free(data);
LOG_ERR("Remote failed to complete enrollment.");
return -1;
@@ -420,12 +422,12 @@ int ribmgr_cdap_start(struct cdap * instance,
free(data);
} else {
if (cdap_send_reply(instance, invoke_id, -1, NULL, 0)) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to send reply to start request.");
return -1;
}
}
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -436,21 +438,21 @@ int ribmgr_cdap_stop(struct cdap * instance,
{
int ret = 0;
- pthread_mutex_lock(&_ipcp->state_lock);
- if (_ipcp->state == IPCP_PENDING_ENROLL &&
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
+ if (ipcp_get_state(_ipcp) == IPCP_PENDING_ENROLL &&
strcmp(name, ENROLLMENT) == 0) {
LOG_DBG("Stop enrollment received.");
- ipcp_state_change(_ipcp, IPCP_ENROLLED);
+ ipcp_set_state(_ipcp, IPCP_ENROLLED);
} else
ret = -1;
if (cdap_send_reply(instance, invoke_id, ret, NULL, 0)) {
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to send reply to stop request.");
return -1;
}
- pthread_mutex_unlock(&_ipcp->state_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -486,11 +488,11 @@ int ribmgr_add_flow(int fd)
flow->instance = instance;
flow->fd = fd;
- pthread_mutex_lock(&_ipcp->state_lock);
+ pthread_rwlock_wrlock(&_ipcp->state_lock);
pthread_rwlock_wrlock(&rib->flows_lock);
if (list_empty(&rib->flows) &&
- _ipcp->state == IPCP_INIT) {
- ipcp_state_change(_ipcp, IPCP_PENDING_ENROLL);
+ ipcp_get_state(_ipcp) == IPCP_INIT) {
+ ipcp_set_state(_ipcp, IPCP_PENDING_ENROLL);
pthread_mutex_lock(&rib->cdap_reqs_lock);
iid = cdap_send_start(instance,
@@ -498,6 +500,7 @@ int ribmgr_add_flow(int fd)
if (iid < 0) {
pthread_mutex_unlock(&rib->cdap_reqs_lock);
pthread_rwlock_unlock(&rib->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to start enrollment.");
cdap_destroy(instance);
free(flow);
@@ -507,6 +510,7 @@ int ribmgr_add_flow(int fd)
if (cdap_result_wait(instance, START, ENROLLMENT, iid)) {
pthread_mutex_unlock(&rib->cdap_reqs_lock);
pthread_rwlock_unlock(&rib->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to start enrollment.");
cdap_destroy(instance);
free(flow);
@@ -514,10 +518,10 @@ int ribmgr_add_flow(int fd)
}
pthread_mutex_unlock(&rib->cdap_reqs_lock);
}
- pthread_mutex_unlock(&_ipcp->state_lock);
list_add(&flow->next, &rib->flows);
pthread_rwlock_unlock(&rib->flows_lock);
+ pthread_rwlock_unlock(&_ipcp->state_lock);
return 0;
}
@@ -534,6 +538,7 @@ int ribmgr_remove_flow(int fd)
if (cdap_destroy(flow->instance))
LOG_ERR("Failed to destroy CDAP instance.");
list_del(&flow->next);
+ pthread_rwlock_unlock(&rib->flows_lock);
free(flow);
return 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-03 02:18:20 +0000