Add consumer socket object and relayd commands

[lttng-tools.git] / src / common / relayd / relayd.c

diff --git a/src/common/relayd/relayd.c b/src/common/relayd/relayd.c
index 8945afea3645948d07a590b37ce81a916ab372ff..6f877c96813d8a78b6d5f2f82235b43058d8ed43 100644 (file)
--- a/src/common/relayd/relayd.c
+++ b/src/common/relayd/relayd.c
@@ -385,3 +385,50 @@ int relayd_send_data_hdr(struct lttcomm_sock *sock,
 error:
        return ret;
 }
+
+/*
+ * Send close stream command to the relayd.
+ */
+int relayd_send_close_stream(struct lttcomm_sock *sock, uint64_t stream_id,
+               uint64_t last_net_seq_num)
+{
+       int ret;
+       struct lttcomm_relayd_close_stream msg;
+       struct lttcomm_relayd_generic_reply reply;
+
+       /* Code flow error. Safety net. */
+       assert(sock);
+
+       DBG("Relayd closing stream id %zu", stream_id);
+
+       msg.stream_id = htobe64(stream_id);
+       msg.last_net_seq_num = htobe64(last_net_seq_num);
+
+       /* Send command */
+       ret = send_command(sock, RELAYD_CLOSE_STREAM, (void *) &msg, sizeof(msg), 0);
+       if (ret < 0) {
+               goto error;
+       }
+
+       /* Recevie response */
+       ret = recv_reply(sock, (void *) &reply, sizeof(reply));
+       if (ret < 0) {
+               goto error;
+       }
+
+       reply.ret_code = be32toh(reply.ret_code);
+
+       /* Return session id or negative ret code. */
+       if (reply.ret_code != LTTCOMM_OK) {
+               ret = -reply.ret_code;
+               ERR("Relayd close stream replied error %d", ret);
+       } else {
+               /* Success */
+               ret = 0;
+       }
+
+       DBG("Relayd close stream id %zu successfully", stream_id);
+
+error:
+       return ret;
+}