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bsc_msc: Add a connection timeout for the MSC.

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When no one is listening our connection would get stuck
in the SYN_SENT state and we would be there forever.
This commit is contained in:
Holger Hans Peter Freyther
2010-05-05 22:48:56 +08:00
parent ebc38e4f26
commit eb3ab2f85b
2 changed files with 13 additions and 0 deletions
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1
openbsc/include/openbsc/bsc_msc.h
View File

@@ -36,6 +36,7 @@ struct bsc_msc_connection {
void (*connection_loss) (struct bsc_msc_connection *);
void (*connected) (struct bsc_msc_connection *);
struct timer_list reconnect_timer;
struct timer_list timeout_timer;
};
struct bsc_msc_connection *bsc_msc_create(const char *ip, int port);

12
openbsc/src/bsc_msc.c
View File

@@ -49,6 +49,14 @@ static void connection_loss(struct bsc_msc_connection *con)
con->connection_loss(con);
}
static void msc_con_timeout(void *_con)
{
struct bsc_msc_connection *con = _con;
LOGP(DMSC, LOGL_ERROR, "MSC Connection timeout.\n");
bsc_msc_lost(con);
}
static int bsc_msc_except(struct bsc_fd *bfd)
{
struct write_queue *wrt;
@@ -98,6 +106,7 @@ static int msc_connection_connect(struct bsc_fd *fd, unsigned int what)
fd->when = BSC_FD_READ | BSC_FD_EXCEPT;
con->is_connected = 1;
bsc_del_timer(&con->timeout_timer);
LOGP(DMSC, LOGL_NOTICE, "(Re)Connected to the MSC.\n");
if (con->connected)
con->connected(con);
@@ -165,6 +174,9 @@ int bsc_msc_connect(struct bsc_msc_connection *con)
LOGP(DMSC, LOGL_ERROR, "MSC Connection in progress\n");
fd->when = BSC_FD_WRITE;
fd->cb = msc_connection_connect;
con->timeout_timer.cb = msc_con_timeout;
con->timeout_timer.data = con;
bsc_schedule_timer(&con->timeout_timer, 20, 0);
} else if (ret < 0) {
perror("Connection failed");
connection_loss(con);