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Diffstat (limited to 'src/ipcpd/normal/main.c')
-rw-r--r--src/ipcpd/normal/main.c181
1 files changed, 138 insertions, 43 deletions
diff --git a/src/ipcpd/normal/main.c b/src/ipcpd/normal/main.c
index 34ba52da..f6a88f29 100644
--- a/src/ipcpd/normal/main.c
+++ b/src/ipcpd/normal/main.c
@@ -1,5 +1,5 @@
/*
- * Ouroboros - Copyright (C) 2016
+ * Ouroboros - Copyright (C) 2016 - 2017
*
* Normal IPC Process
*
@@ -59,7 +59,11 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
pthread_rwlock_wrlock(&ipcpi.state_lock);
- ipcp_set_state(IPCP_SHUTDOWN);
+ if (ipcp_get_state() == IPCP_INIT)
+ ipcp_set_state(IPCP_NULL);
+
+ if (ipcp_get_state() == IPCP_OPERATIONAL)
+ ipcp_set_state(IPCP_SHUTDOWN);
pthread_rwlock_unlock(&ipcpi.state_lock);
}
@@ -68,12 +72,11 @@ void ipcp_sig_handler(int sig, siginfo_t * info, void * c)
}
}
-static int normal_ipcp_enroll(char * dif_name)
+static int normal_ipcp_enroll(char * dst_name)
{
- struct timespec timeout = {(ENROLL_TIMEOUT / 1000),
- (ENROLL_TIMEOUT % 1000) * MILLION};
+ int ret;
- pthread_rwlock_rdlock(&ipcpi.state_lock);
+ pthread_rwlock_wrlock(&ipcpi.state_lock);
if (ipcp_get_state() != IPCP_INIT) {
pthread_rwlock_unlock(&ipcpi.state_lock);
@@ -81,37 +84,62 @@ static int normal_ipcp_enroll(char * dif_name)
return -1; /* -ENOTINIT */
}
- pthread_rwlock_unlock(&ipcpi.state_lock);
-
- if (fmgr_nm1_mgmt_flow(dif_name)) {
- LOG_ERR("Failed to establish management flow.");
+ if (ribmgr_init()) {
+ LOG_ERR("Failed to initialise RIB manager.");
+ pthread_rwlock_unlock(&ipcpi.state_lock);
return -1;
}
- if (ribmgr_enrol()) {
- LOG_ERR("Failed to enrol IPCP.");
+ if (ribmgr_nm1_mgt_flow(dst_name)) {
+ if (ribmgr_fini())
+ LOG_WARN("Failed to finalize RIB manager.");
+ LOG_ERR("Failed to establish management flow.");
+ pthread_rwlock_unlock(&ipcpi.state_lock);
return -1;
}
- if (ipcp_wait_state(IPCP_BOOTING, &timeout) == -ETIMEDOUT) {
- LOG_ERR("Enrollment timed out.");
+ ret = ribmgr_enrol();
+ if (ret < 0) {
+ if (ribmgr_fini())
+ LOG_WARN("Failed to finalize RIB manager.");
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+ if (ret == -ETIMEDOUT)
+ LOG_ERR("Enrollment timed out.");
+ else
+ LOG_ERR("Failed to enrol IPCP: %d.", ret);
return -1;
}
if (ribmgr_start_policies()) {
- pthread_rwlock_wrlock(&ipcpi.state_lock);
- ipcp_set_state(IPCP_INIT);
pthread_rwlock_unlock(&ipcpi.state_lock);
LOG_ERR("Failed to start policies.");
return -1;
}
- pthread_rwlock_wrlock(&ipcpi.state_lock);
+ if (fmgr_init()) {
+ if (ribmgr_fini())
+ LOG_WARN("Failed to finalize RIB manager.");
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+ LOG_ERR("Failed to start flow manager.");
+ return -1;
+ }
+
+ if (frct_init()) {
+ if (fmgr_fini())
+ LOG_WARN("Failed to finalize flow manager.");
+ if (ribmgr_fini())
+ LOG_WARN("Failed to finalize RIB manager.");
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+ LOG_ERR("Failed to initialize FRCT.");
+ return -1;
+ }
+
ipcp_set_state(IPCP_OPERATIONAL);
+
pthread_rwlock_unlock(&ipcpi.state_lock);
/* FIXME: Remove once we obtain neighbors during enrollment */
- if (fmgr_nm1_dt_flow(dif_name, QOS_CUBE_BE)) {
+ if (fmgr_nm1_dt_flow(dst_name, QOS_CUBE_BE)) {
LOG_ERR("Failed to establish data transfer flow.");
return -1;
}
@@ -121,6 +149,11 @@ static int normal_ipcp_enroll(char * dif_name)
static int normal_ipcp_bootstrap(struct dif_config * conf)
{
+ if (conf == NULL || conf->type != THIS_TYPE) {
+ LOG_ERR("Bad DIF configuration.");
+ return -EINVAL;
+ }
+
pthread_rwlock_wrlock(&ipcpi.state_lock);
if (ipcp_get_state() != IPCP_INIT) {
@@ -129,26 +162,48 @@ static int normal_ipcp_bootstrap(struct dif_config * conf)
return -1; /* -ENOTINIT */
}
+ if (ribmgr_init()) {
+ LOG_ERR("Failed to initialise RIB manager.");
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+ return -1;
+ }
+
if (ribmgr_bootstrap(conf)) {
+ if (ribmgr_fini())
+ LOG_WARN("Failed to finalize RIB manager.");
pthread_rwlock_unlock(&ipcpi.state_lock);
LOG_ERR("Failed to bootstrap RIB manager.");
return -1;
}
- ipcp_set_state(IPCP_BOOTING);
- pthread_rwlock_unlock(&ipcpi.state_lock);
-
if (ribmgr_start_policies()) {
- pthread_rwlock_wrlock(&ipcpi.state_lock);
- ipcp_set_state(IPCP_INIT);
+ if (ribmgr_fini())
+ LOG_WARN("Failed to finalize RIB manager.");
pthread_rwlock_unlock(&ipcpi.state_lock);
LOG_ERR("Failed to start policies.");
return -1;
}
- pthread_rwlock_wrlock(&ipcpi.state_lock);
+ if (fmgr_init()) {
+ if (ribmgr_fini())
+ LOG_WARN("Failed to finalize RIB manager.");
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+ LOG_ERR("Failed to start flow manager.");
+ return -1;
+ }
+
+ if (frct_init()) {
+ if (fmgr_fini())
+ LOG_WARN("Failed to finalize flow manager.");
+ if (ribmgr_fini())
+ LOG_WARN("Failed to finalize RIB manager.");
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+ LOG_ERR("Failed to initialize FRCT.");
+ return -1;
+ }
ipcp_set_state(IPCP_OPERATIONAL);
+
ipcpi.data->dif_name = conf->dif_name;
pthread_rwlock_unlock(&ipcpi.state_lock);
@@ -169,10 +224,56 @@ static struct ipcp_ops normal_ops = {
.ipcp_flow_dealloc = fmgr_np1_dealloc
};
+static void * flow_acceptor(void * o)
+{
+ int fd;
+ char * ae_name;
+ qosspec_t qs;
+
+ (void) o;
+
+ while (true) {
+ pthread_rwlock_rdlock(&ipcpi.state_lock);
+
+ if (ipcp_get_state() != IPCP_OPERATIONAL) {
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+ LOG_INFO("Shutting down flow acceptor.");
+ return 0;
+ }
+
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+
+ fd = flow_accept(&ae_name, &qs);
+ if (fd < 0) {
+ LOG_WARN("Flow accept failed.");
+ continue;
+ }
+
+ LOG_DBG("New flow allocation request for AE %s.", ae_name);
+
+ if (strcmp(ae_name, MGMT_AE) == 0) {
+ ribmgr_add_nm1_flow(fd);
+ } else if (strcmp(ae_name, DT_AE) == 0) {
+ fmgr_nm1_add_flow(fd);
+ } else {
+ LOG_DBG("Flow allocation request for unknown AE %s.",
+ ae_name);
+ if (flow_alloc_resp(fd, -1))
+ LOG_WARN("Failed to reply to flow allocation.");
+ flow_dealloc(fd);
+ }
+
+ free(ae_name);
+ }
+
+ return (void *) 0;
+}
+
int main(int argc, char * argv[])
{
struct sigaction sig_act;
sigset_t sigset;
+ pthread_t acceptor;
if (ap_init(argv[0])) {
LOG_ERR("Failed to init AP");
@@ -215,16 +316,8 @@ int main(int argc, char * argv[])
pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
- if (ribmgr_init()) {
- fmgr_fini();
- ipcp_fini();
- close_logfile();
- exit(EXIT_FAILURE);
- }
-
if (ipcp_create_r(getpid())) {
LOG_ERR("Failed to notify IRMd we are initialized.");
- fmgr_fini();
ipcp_fini();
close_logfile();
exit(EXIT_FAILURE);
@@ -232,22 +325,24 @@ int main(int argc, char * argv[])
ipcp_wait_state(IPCP_OPERATIONAL, NULL);
- if (fmgr_init()) {
- ipcp_fini();
- close_logfile();
- exit(EXIT_FAILURE);
+ if (pthread_create(&acceptor, NULL, flow_acceptor, NULL)) {
+ LOG_ERR("Failed to create acceptor thread.");
+ ipcp_set_state(IPCP_SHUTDOWN);
}
ipcp_fini();
- if (fmgr_fini())
- LOG_ERR("Failed to finalize flow manager.");
+ if (ipcp_get_state() == IPCP_SHUTDOWN) {
+ pthread_cancel(acceptor);
+ pthread_join(acceptor, NULL);
- if (ribmgr_fini())
- LOG_ERR("Failed to finalize RIB manager.");
-
- if (frct_fini())
- LOG_ERR("Failed to finalize FRCT.");
+ if (frct_fini())
+ LOG_WARN("Failed to finalize FRCT.");
+ if (fmgr_fini())
+ LOG_WARN("Failed to finalize flow manager.");
+ if (ribmgr_fini())
+ LOG_WARN("Failed to finalize RIB manager.");
+ }
close_logfile();
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-27 18:14:16 +0000