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authordimitri staessens <dimitri.staessens@intec.ugent.be>2016-10-31 18:35:17 +0100
committerdimitri staessens <dimitri.staessens@intec.ugent.be>2016-10-31 18:43:04 +0100
commit86b6d0ca1b871e629a95c9cf0ddceeeb7e1bd345 (patch)
tree02f048b2b148ad9426194967cbc332a93742ac52 /src/ipcpd/local
parentadd7d5f1e59c661b431ba86ba80d62badc14e762 (diff)
downloadouroboros-86b6d0ca1b871e629a95c9cf0ddceeeb7e1bd345.tar.gz
ouroboros-86b6d0ca1b871e629a95c9cf0ddceeeb7e1bd345.zip
lib, ipcpd: Improve flow allocation
All calls for opening rbuffs are now concentrated on the dev side. This allows some simplifications in the np1 calls. The ipcp_fini call will not destroy the mutex associated with the state, since the final state needs to be checked before shutting down an IPCP.
Diffstat (limited to 'src/ipcpd/local')
-rw-r--r--src/ipcpd/local/main.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/src/ipcpd/local/main.c b/src/ipcpd/local/main.c
index f95eeae4..f0c85084 100644
--- a/src/ipcpd/local/main.c
+++ b/src/ipcpd/local/main.c
@@ -88,14 +88,10 @@ static void * ipcp_local_sdu_loop(void * o)
(void) o;
- while (true) {
+ while (flow_event_wait(local_data.flows, local_data.fq, &timeout)) {
int fd;
ssize_t idx;
- if (flow_event_wait(local_data.flows, local_data.fq, &timeout)
- == -ETIMEDOUT)
- continue;
-
pthread_rwlock_rdlock(&ipcpi.state_lock);
if (ipcp_get_state() != IPCP_ENROLLED) {
@@ -233,7 +229,8 @@ static int ipcp_local_flow_alloc(int fd,
LOG_DBG("Allocating flow to %s on fd %d.", dst_name, fd);
- assert(dst_name || src_ae_name);
+ assert(dst_name);
+ assert(src_ae_name);
pthread_rwlock_rdlock(&ipcpi.state_lock);
@@ -298,17 +295,24 @@ static int ipcp_local_flow_dealloc(int fd)
ipcp_flow_fini(fd);
pthread_rwlock_rdlock(&ipcpi.state_lock);
+
+ if (ipcp_get_state() != IPCP_ENROLLED) {
+ pthread_rwlock_unlock(&ipcpi.state_lock);
+ LOG_DBG("Won't register with non-enrolled IPCP.");
+ return -1; /* -ENOTENROLLED */
+ }
+
pthread_rwlock_wrlock(&local_data.lock);
flow_set_del(local_data.flows, fd);
local_data.in_out[fd] = -1;
+ flow_dealloc(fd);
+
pthread_rwlock_unlock(&local_data.lock);
pthread_rwlock_unlock(&ipcpi.state_lock);
- flow_dealloc(fd);
-
LOG_INFO("Flow with fd %d deallocated.", fd);
return 0;