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authorSander Vrijders <sander.vrijders@ugent.be>2017-03-25 18:48:30 +0100
committerSander Vrijders <sander.vrijders@ugent.be>2017-03-28 10:24:54 +0200
commitc0bfc1752df3530570a24c930220b94a4e3afabb (patch)
tree43abd2084831d5a36c88a8ad93b3dec3e48127cd /src
parentd3393da62009e49b5724f8ff3d901c244ab8d557 (diff)
downloadouroboros-c0bfc1752df3530570a24c930220b94a4e3afabb.tar.gz
ouroboros-c0bfc1752df3530570a24c930220b94a4e3afabb.zip
lib, ipcpd: Fix bugs in ro sets
This fixes several bugs in the ro sets, rib. And it fixes several bugs in the graph and routing component of the normal IPCP.
Diffstat (limited to 'src')
-rw-r--r--src/ipcpd/normal/graph.c14
-rw-r--r--src/ipcpd/normal/routing.c4
-rw-r--r--src/lib/rib.c10
3 files changed, 19 insertions, 9 deletions
diff --git a/src/ipcpd/normal/graph.c b/src/ipcpd/normal/graph.c
index b3e105e3..272576bb 100644
--- a/src/ipcpd/normal/graph.c
+++ b/src/ipcpd/normal/graph.c
@@ -106,15 +106,15 @@ static void del_edge(struct edge * edge)
free(edge);
}
-static int add_vertex(struct graph * graph,
- uint64_t addr)
+static struct vertex * add_vertex(struct graph * graph,
+ uint64_t addr)
{
struct vertex * vertex;
struct list_head * p;
vertex = malloc(sizeof(*vertex));
if (vertex == NULL)
- return -1;
+ return NULL;
list_head_init(&vertex->next);
list_head_init(&vertex->edges);
@@ -130,7 +130,7 @@ static int add_vertex(struct graph * graph,
graph->nr_vertices++;
- return 0;
+ return vertex;
}
static void del_vertex(struct graph * graph,
@@ -206,7 +206,8 @@ int graph_add_edge(struct graph * graph,
v = find_vertex_by_addr(graph, s_addr);
if (v == NULL) {
- if (add_vertex(graph, s_addr)) {
+ v = add_vertex(graph, s_addr);
+ if (v == NULL) {
pthread_mutex_unlock(&graph->lock);
return -ENOMEM;
}
@@ -221,7 +222,8 @@ int graph_add_edge(struct graph * graph,
nb = find_vertex_by_addr(graph, d_addr);
if (nb == NULL) {
- if (add_vertex(graph, d_addr)) {
+ nb = add_vertex(graph, d_addr);
+ if (nb == NULL) {
pthread_mutex_unlock(&graph->lock);
return -ENOMEM;
}
diff --git a/src/ipcpd/normal/routing.c b/src/ipcpd/normal/routing.c
index b750ca84..998b294a 100644
--- a/src/ipcpd/normal/routing.c
+++ b/src/ipcpd/normal/routing.c
@@ -291,12 +291,12 @@ static void * rib_listener(void * o)
}
}
- while (rib_event_wait(routing.set, routing.queue, NULL)) {
+ while (rib_event_wait(routing.set, routing.queue, NULL) == 0) {
flag = rqueue_next(routing.queue, path);
if (flag < 0)
continue;
- if (read_fso(children[i], flag)) {
+ if (read_fso(path, flag)) {
log_err("Failed to parse FSO.");
continue;
}
diff --git a/src/lib/rib.c b/src/lib/rib.c
index 8468e88c..fc58f266 100644
--- a/src/lib/rib.c
+++ b/src/lib/rib.c
@@ -177,6 +177,8 @@ static struct revent * revent_dup(struct revent * ev)
re->flags = ev->flags;
+ list_head_init(&re->next);
+
return re;
}
@@ -196,7 +198,13 @@ static void rnode_notify_subs(struct rnode * node,
struct rn_sub * s = list_entry(p, struct rn_sub, next);
if (s->flags & ev->flags) {
struct revent * e = revent_dup(ev);
+ if (e == NULL)
+ continue;
+
+ pthread_mutex_lock(&s->sub->lock);
list_add_tail(&e->next, &s->sub->events);
+ pthread_cond_signal(&s->sub->cond);
+ pthread_mutex_unlock(&s->sub->lock);
}
if (ev->flags & RO_DELETE)
@@ -1130,7 +1138,7 @@ int rib_event_wait(ro_set_t * set,
while (list_is_empty(&sub->events) && ret != -ETIMEDOUT) {
if (timeout != NULL)
- ret = -pthread_cond_timedwait(&sub->cond ,
+ ret = -pthread_cond_timedwait(&sub->cond,
&sub->lock,
&abstime);
else