* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#define _GNU_SOURCE
+#define _LGPL_SOURCE
#include <assert.h>
#include <limits.h>
#include <stdio.h>
#include "sessiond-comm.h"
/* For Unix socket */
-#include "unix.h"
+#include <common/unix.h>
/* For Inet socket */
#include "inet.h"
/* For Inet6 socket */
#include "inet6.h"
+#define NETWORK_TIMEOUT_ENV "LTTNG_NETWORK_SOCKET_TIMEOUT"
+
static struct lttcomm_net_family net_families[] = {
{ LTTCOMM_INET, lttcomm_create_inet_sock },
{ LTTCOMM_INET6, lttcomm_create_inet6_sock },
[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_ENOMEM) ] = "Consumer is out of memory",
[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_ERROR_METADATA) ] = "Error with metadata",
[ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_FATAL) ] = "Fatal error",
+ [ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_RELAYD_FAIL) ] = "Error on remote relayd",
/* Last element */
[ LTTCOMM_ERR_INDEX(LTTCOMM_NR) ] = "Unknown error code"
};
+static unsigned long network_timeout;
+
/*
* Return ptr to string representing a human readable error code from the
* lttcomm_return_code enum.
error:
return NULL;
}
+
+/*
+ * Set socket receiving timeout.
+ */
+LTTNG_HIDDEN
+int lttcomm_setsockopt_rcv_timeout(int sock, unsigned int msec)
+{
+ int ret;
+ struct timeval tv;
+
+ tv.tv_sec = msec / 1000;
+ tv.tv_usec = (msec % 1000) * 1000;
+
+ ret = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv));
+ if (ret < 0) {
+ PERROR("setsockopt SO_RCVTIMEO");
+ }
+
+ return ret;
+}
+
+/*
+ * Set socket sending timeout.
+ */
+LTTNG_HIDDEN
+int lttcomm_setsockopt_snd_timeout(int sock, unsigned int msec)
+{
+ int ret;
+ struct timeval tv;
+
+ tv.tv_sec = msec / 1000;
+ tv.tv_usec = (msec % 1000) * 1000;
+
+ ret = setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv));
+ if (ret < 0) {
+ PERROR("setsockopt SO_SNDTIMEO");
+ }
+
+ return ret;
+}
+
+LTTNG_HIDDEN
+void lttcomm_init(void)
+{
+ const char *env;
+
+ env = getenv(NETWORK_TIMEOUT_ENV);
+ if (env) {
+ long timeout;
+
+ errno = 0;
+ timeout = strtol(env, NULL, 0);
+ if (errno != 0 || timeout < -1L) {
+ PERROR("Network timeout");
+ } else {
+ if (timeout > 0) {
+ network_timeout = timeout;
+ }
+ }
+ }
+}
+
+LTTNG_HIDDEN
+unsigned long lttcomm_get_network_timeout(void)
+{
+ return network_timeout;
+}