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watcher: add some debugging statements

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This commit is contained in:
Martin Willi
2013-07-18 16:00:29 +02:00
parent 91a2ae644c
commit 58d0dadddc
1 changed files with 12 additions and 0 deletions
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src/libstrongswan/processing/watcher.c
+12
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@@ -250,14 +250,17 @@ static job_requeue_t watch(private_watcher_t *this)
{ {
if (entry->events & WATCHER_READ) if (entry->events & WATCHER_READ)
{ {
DBG3(DBG_JOB, " watching %d for reading", entry->fd);
FD_SET(entry->fd, &rd); FD_SET(entry->fd, &rd);
} }
if (entry->events & WATCHER_WRITE) if (entry->events & WATCHER_WRITE)
{ {
DBG3(DBG_JOB, " watching %d for writing", entry->fd);
FD_SET(entry->fd, &wr); FD_SET(entry->fd, &wr);
} }
if (entry->events & WATCHER_EXCEPT) if (entry->events & WATCHER_EXCEPT)
{ {
DBG3(DBG_JOB, " watching %d for exceptions", entry->fd);
FD_SET(entry->fd, &ex); FD_SET(entry->fd, &ex);
} }
maxfd = max(maxfd, entry->fd); maxfd = max(maxfd, entry->fd);
@@ -272,6 +275,7 @@ static job_requeue_t watch(private_watcher_t *this)
bool old; bool old;
job_t *job = NULL; job_t *job = NULL;
DBG2(DBG_JOB, "watcher going to select()");
thread_cleanup_push((void*)activate_all, this); thread_cleanup_push((void*)activate_all, this);
old = thread_cancelability(TRUE); old = thread_cancelability(TRUE);
res = select(maxfd + 1, &rd, &wr, &ex, NULL); res = select(maxfd + 1, &rd, &wr, &ex, NULL);
@@ -281,6 +285,7 @@ static job_requeue_t watch(private_watcher_t *this)
{ {
if (this->notify[0] != -1 && FD_ISSET(this->notify[0], &rd)) if (this->notify[0] != -1 && FD_ISSET(this->notify[0], &rd))
{ {
DBG2(DBG_JOB, "watcher got notification, rebuilding");
ignore_result(read(this->notify[0], buf, sizeof(buf))); ignore_result(read(this->notify[0], buf, sizeof(buf)));
return JOB_REQUEUE_DIRECT; return JOB_REQUEUE_DIRECT;
} }
@@ -291,16 +296,19 @@ static job_requeue_t watch(private_watcher_t *this)
{ {
if (FD_ISSET(entry->fd, &rd)) if (FD_ISSET(entry->fd, &rd))
{ {
DBG2(DBG_JOB, "watched FD %d ready to read", entry->fd);
job = notify(this, entry, WATCHER_READ); job = notify(this, entry, WATCHER_READ);
break; break;
} }
if (FD_ISSET(entry->fd, &wr)) if (FD_ISSET(entry->fd, &wr))
{ {
DBG2(DBG_JOB, "watched FD %d ready to write", entry->fd);
job = notify(this, entry, WATCHER_WRITE); job = notify(this, entry, WATCHER_WRITE);
break; break;
} }
if (FD_ISSET(entry->fd, &ex)) if (FD_ISSET(entry->fd, &ex))
{ {
DBG2(DBG_JOB, "watched FD %d has exception", entry->fd);
job = notify(this, entry, WATCHER_EXCEPT); job = notify(this, entry, WATCHER_EXCEPT);
break; break;
} }
@@ -323,6 +331,10 @@ static job_requeue_t watch(private_watcher_t *this)
return JOB_REQUEUE_DIRECT; return JOB_REQUEUE_DIRECT;
} }
} }
else
{
DBG1(DBG_JOB, "watcher select() error: %s", strerror(errno));
}
} }
} }