+
+/*
+ * Allocate and return a relayd socket object using a given URI to initialize
+ * it and the major/minor version of the supported protocol.
+ *
+ * On error, NULL is returned.
+ */
+LTTNG_HIDDEN
+struct lttcomm_relayd_sock *lttcomm_alloc_relayd_sock(struct lttng_uri *uri,
+ uint32_t major, uint32_t minor)
+{
+ int ret;
+ struct lttcomm_sock *tmp_sock = NULL;
+ struct lttcomm_relayd_sock *rsock = NULL;
+
+ assert(uri);
+
+ rsock = zmalloc(sizeof(*rsock));
+ if (!rsock) {
+ PERROR("zmalloc relayd sock");
+ goto error;
+ }
+
+ /* Allocate socket object from URI */
+ tmp_sock = lttcomm_alloc_sock_from_uri(uri);
+ if (tmp_sock == NULL) {
+ goto error_free;
+ }
+
+ /*
+ * Create socket object which basically sets the ops according to the
+ * socket protocol.
+ */
+ lttcomm_copy_sock(&rsock->sock, tmp_sock);
+ /* Temporary socket pointer not needed anymore. */
+ lttcomm_destroy_sock(tmp_sock);
+ ret = lttcomm_create_sock(&rsock->sock);
+ if (ret < 0) {
+ goto error_free;
+ }
+
+ rsock->major = major;
+ rsock->minor = minor;
+
+ return rsock;
+
+error_free:
+ free(rsock);
+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
+int lttcomm_sock_get_port(const struct lttcomm_sock *sock, uint16_t *port)
+{
+ assert(sock);
+ assert(port);
+ assert(sock->sockaddr.type == LTTCOMM_INET ||
+ sock->sockaddr.type == LTTCOMM_INET6);
+ assert(sock->proto == LTTCOMM_SOCK_TCP ||
+ sock->proto == LTTCOMM_SOCK_UDP);
+
+ switch (sock->sockaddr.type) {
+ case LTTCOMM_INET:
+ *port = ntohs(sock->sockaddr.addr.sin.sin_port);
+ break;
+ case LTTCOMM_INET6:
+ *port = ntohs(sock->sockaddr.addr.sin6.sin6_port);
+ break;
+ default:
+ abort();
+ }
+
+ return 0;
+}
+
+LTTNG_HIDDEN
+int lttcomm_sock_set_port(struct lttcomm_sock *sock, uint16_t port)
+{
+ assert(sock);
+ assert(sock->sockaddr.type == LTTCOMM_INET ||
+ sock->sockaddr.type == LTTCOMM_INET6);
+ assert(sock->proto == LTTCOMM_SOCK_TCP ||
+ sock->proto == LTTCOMM_SOCK_UDP);
+
+ switch (sock->sockaddr.type) {
+ case LTTCOMM_INET:
+ sock->sockaddr.addr.sin.sin_port = htons(port);
+ break;
+ case LTTCOMM_INET6:
+ sock->sockaddr.addr.sin6.sin6_port = htons(port);
+ break;
+ default:
+ abort();
+ }
+
+ return 0;
+}
+
+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;
+}