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Diffstat (limited to 'src/ipcpd/normal')
-rw-r--r--src/ipcpd/normal/fmgr.c30
-rw-r--r--src/ipcpd/normal/main.c59
-rw-r--r--src/ipcpd/normal/ribmgr.c46
3 files changed, 63 insertions, 72 deletions
diff --git a/src/ipcpd/normal/fmgr.c b/src/ipcpd/normal/fmgr.c
index f9de16c4..70afff37 100644
--- a/src/ipcpd/normal/fmgr.c
+++ b/src/ipcpd/normal/fmgr.c
@@ -80,21 +80,22 @@ static void * fmgr_listen(void * o)
int fd;
char * ae_name;
- /* FIXME: Avoid busy wait and react to pthread_cond_t */
- pthread_rwlock_rdlock(&_ipcp->state_lock);
- while (!(_ipcp->state == IPCP_ENROLLED ||
- _ipcp->state == IPCP_SHUTDOWN)) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
- sched_yield();
- pthread_rwlock_rdlock(&_ipcp->state_lock);
- }
+ 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);
+ return 0;
+ }
+ pthread_mutex_unlock(&_ipcp->state_lock);
- while (_ipcp->state != IPCP_SHUTDOWN) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
fd = flow_accept(&ae_name);
if (fd < 0) {
LOG_ERR("Failed to accept flow.");
- pthread_rwlock_rdlock(&_ipcp->state_lock);
continue;
}
@@ -103,14 +104,12 @@ static void * fmgr_listen(void * o)
if (flow_alloc_resp(fd, -1))
LOG_ERR("Failed to reply to flow allocation.");
flow_dealloc(fd);
- pthread_rwlock_rdlock(&_ipcp->state_lock);
continue;
}
if (flow_alloc_resp(fd, 0)) {
LOG_ERR("Failed to reply to flow allocation.");
flow_dealloc(fd);
- pthread_rwlock_rdlock(&_ipcp->state_lock);
continue;
}
@@ -121,7 +120,6 @@ static void * fmgr_listen(void * o)
if (ribmgr_add_flow(fd)) {
LOG_ERR("Failed to hand fd to RIB.");
flow_dealloc(fd);
- pthread_rwlock_rdlock(&_ipcp->state_lock);
continue;
}
}
@@ -130,7 +128,6 @@ static void * fmgr_listen(void * o)
if (frct_dt_flow(fd)) {
LOG_ERR("Failed to hand fd to FRCT.");
flow_dealloc(fd);
- pthread_rwlock_rdlock(&_ipcp->state_lock);
continue;
}
}
@@ -138,11 +135,8 @@ static void * fmgr_listen(void * o)
if (add_n_1_fd(fd, ae_name)) {
LOG_ERR("Failed to add file descriptor to list.");
flow_dealloc(fd);
- pthread_rwlock_rdlock(&_ipcp->state_lock);
continue;
}
-
- pthread_rwlock_rdlock(&_ipcp->state_lock);
}
return (void *) 0;
diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c
index b5aad271..ea8d75e1 100644
--- a/src/ipcpd/normal/main.c
+++ b/src/ipcpd/normal/main.c
@@ -73,11 +73,11 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
LOG_DBG("Terminating by order of %d. Bye.",
info->si_pid);
- pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
- _ipcp->state = IPCP_SHUTDOWN;
+ ipcp_state_change(_ipcp, IPCP_SHUTDOWN);
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
pthread_cancel(normal_data(_ipcp)->mainloop);
@@ -97,21 +97,21 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
static int normal_ipcp_name_reg(char * name)
{
- pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_ENROLLED) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_DBGF("Won't register with non-enrolled IPCP.");
return -1; /* -ENOTENROLLED */
}
if (ipcp_data_add_reg_entry(_ipcp->data, name)) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to add %s to local registry.", name);
return -1;
}
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_DBG("Registered %s.", name);
@@ -120,59 +120,56 @@ static int normal_ipcp_name_reg(char * name)
static int normal_ipcp_name_unreg(char * name)
{
- pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
ipcp_data_del_reg_entry(_ipcp->data, name);
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
return 0;
}
static int normal_ipcp_enroll(char * dif_name)
{
- pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_INIT) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Won't enroll an IPCP that is not in INIT.");
return -1; /* -ENOTINIT */
}
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
if (fmgr_mgmt_flow(dif_name)) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to establish management flow.");
return -1;
}
- /* FIXME: Wait passively until state changed to ENROLLED */
- pthread_rwlock_rdlock(&_ipcp->state_lock);
- while (_ipcp->state != IPCP_ENROLLED) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
- sched_yield();
- pthread_rwlock_rdlock(&_ipcp->state_lock);
- }
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ /* FIXME: Change into timedwait, see solution in irmd first */
+ pthread_mutex_lock(&_ipcp->state_lock);
+ while (_ipcp->state != IPCP_ENROLLED)
+ pthread_cond_wait(&_ipcp->state_cond, &_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
return 0;
}
static int normal_ipcp_bootstrap(struct dif_config * conf)
{
- LOG_DBGF("bootstrapping in dif %s.", conf->dif_name);
+ LOG_DBGF("Bootstrapping in DIF %s.", conf->dif_name);
- pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_INIT) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Won't bootstrap an IPCP that is not in INIT.");
return -1; /* -ENOTINIT */
}
if (ribmgr_bootstrap(conf)) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to bootstrap RIB manager.");
return -1;
}
@@ -182,9 +179,9 @@ static int normal_ipcp_bootstrap(struct dif_config * conf)
return -1;
}
- _ipcp->state = IPCP_ENROLLED;
+ ipcp_state_change(_ipcp, IPCP_ENROLLED);
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
return 0;
}
@@ -239,7 +236,7 @@ void normal_ipcp_data_destroy()
if (_ipcp == NULL)
return;
- pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
if (_ipcp->state != IPCP_SHUTDOWN)
LOG_WARN("Cleaning up while not in shutdown.");
@@ -249,7 +246,7 @@ void normal_ipcp_data_destroy()
if (normal_data(_ipcp)->rb != NULL)
shm_ap_rbuff_close(normal_data(_ipcp)->rb);
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
free(_ipcp->data);
}
@@ -323,7 +320,7 @@ int main(int argc, char * argv[])
exit(EXIT_FAILURE);
}
- pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
pthread_sigmask(SIG_BLOCK, &sigset, NULL);
@@ -332,7 +329,7 @@ int main(int argc, char * argv[])
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
if (ipcp_create_r(getpid())) {
LOG_ERR("Failed to notify IRMd we are initialized.");
diff --git a/src/ipcpd/normal/ribmgr.c b/src/ipcpd/normal/ribmgr.c
index 2a68877a..bbc29b64 100644
--- a/src/ipcpd/normal/ribmgr.c
+++ b/src/ipcpd/normal/ribmgr.c
@@ -220,15 +220,15 @@ int ribmgr_cdap_write(struct cdap * instance,
static_info_msg_t * msg;
int ret = 0;
- pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
if (_ipcp->state == 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 = IPCP_INIT;
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ ipcp_state_change(_ipcp, IPCP_INIT);
+ pthread_mutex_unlock(&_ipcp->state_lock);
cdap_send_reply(instance, invoke_id, -1, NULL, 0);
LOG_ERR("Failed to unpack static info message.");
return -1;
@@ -246,8 +246,8 @@ int ribmgr_cdap_write(struct cdap * instance,
rib->address = msg->address;
if (frct_init(&rib->dtc, rib->address)) {
- _ipcp->state = IPCP_INIT;
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ ipcp_state_change(_ipcp, IPCP_INIT);
+ pthread_mutex_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");
@@ -257,7 +257,7 @@ int ribmgr_cdap_write(struct cdap * instance,
static_info_msg__free_unpacked(msg, NULL);
} else
ret = -1;
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
if (cdap_send_reply(instance, invoke_id, ret, NULL, 0)) {
LOG_ERR("Failed to send reply to write request.");
@@ -298,13 +298,13 @@ int ribmgr_cdap_start(struct cdap * instance,
size_t len = 0;
int iid = 0;
- pthread_rwlock_rdlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
if (_ipcp->state == IPCP_ENROLLED &&
strcmp(name, ENROLLMENT) == 0) {
LOG_DBG("New enrollment request.");
if (cdap_send_reply(instance, invoke_id, 0, NULL, 0)) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to send reply to enrollment request.");
return -1;
}
@@ -323,14 +323,14 @@ int ribmgr_cdap_start(struct cdap * instance,
len = static_info_msg__get_packed_size(&stat_info);
if (len == 0) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to get size of static information.");
return -1;
}
data = malloc(len);
if (data == NULL) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to allocate memory.");
return -1;
}
@@ -344,7 +344,7 @@ 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_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
free(data);
LOG_ERR("Failed to send static information.");
return -1;
@@ -352,7 +352,7 @@ int ribmgr_cdap_start(struct cdap * instance,
if (cdap_request_add(instance, WRITE, STATIC_INFO, iid)) {
pthread_mutex_unlock(&rib->cdap_reqs_lock);
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
free(data);
LOG_ERR("Failed to add CDAP request to list.");
return -1;
@@ -368,7 +368,7 @@ int ribmgr_cdap_start(struct cdap * instance,
iid = cdap_send_stop(instance, ENROLLMENT);
if (iid < 0) {
pthread_mutex_unlock(&rib->cdap_reqs_lock);
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
free(data);
LOG_ERR("Failed to send stop of enrollment.");
return -1;
@@ -376,7 +376,7 @@ int ribmgr_cdap_start(struct cdap * instance,
if (cdap_request_add(instance, STOP, ENROLLMENT, iid)) {
pthread_mutex_unlock(&rib->cdap_reqs_lock);
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
free(data);
LOG_ERR("Failed to add CDAP request to list.");
return -1;
@@ -386,12 +386,12 @@ int ribmgr_cdap_start(struct cdap * instance,
free(data);
} else {
if (cdap_send_reply(instance, invoke_id, -1, NULL, 0)) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to send reply to start request.");
return -1;
}
}
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
return 0;
}
@@ -402,21 +402,21 @@ int ribmgr_cdap_stop(struct cdap * instance,
{
int ret = 0;
- pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
if (_ipcp->state == IPCP_PENDING_ENROLL &&
strcmp(name, ENROLLMENT) == 0) {
LOG_DBG("Stop enrollment received.");
- _ipcp->state = IPCP_ENROLLED;
+ ipcp_state_change(_ipcp, IPCP_ENROLLED);
} else
ret = -1;
if (cdap_send_reply(instance, invoke_id, ret, NULL, 0)) {
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
LOG_ERR("Failed to send reply to stop request.");
return -1;
}
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
return 0;
}
@@ -452,11 +452,11 @@ int ribmgr_add_flow(int fd)
flow->instance = instance;
flow->fd = fd;
- pthread_rwlock_wrlock(&_ipcp->state_lock);
+ pthread_mutex_lock(&_ipcp->state_lock);
pthread_rwlock_wrlock(&rib->flows_lock);
if (list_empty(&rib->flows) &&
_ipcp->state == IPCP_INIT) {
- _ipcp->state = IPCP_PENDING_ENROLL;
+ ipcp_state_change(_ipcp, IPCP_PENDING_ENROLL);
pthread_mutex_lock(&rib->cdap_reqs_lock);
iid = cdap_send_start(instance,
@@ -480,7 +480,7 @@ int ribmgr_add_flow(int fd)
}
pthread_mutex_unlock(&rib->cdap_reqs_lock);
}
- pthread_rwlock_unlock(&_ipcp->state_lock);
+ pthread_mutex_unlock(&_ipcp->state_lock);
list_add(&flow->next, &rib->flows);
pthread_rwlock_unlock(&rib->flows_lock);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 05:47:19 +0000