X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Frelayd%2Frelayd.c;h=c3ad597ed8eb50d69dd9a57e65399a996ff423b3;hb=76b9afaa436496319456775d7ba7f20eeac09d5d;hp=2adcbe415c63f16a176dba9167c247f34eb0eba3;hpb=f8f3885cc52af9d3c951da78989d6f4a25270411;p=lttng-tools.git

diff --git a/src/common/relayd/relayd.c b/src/common/relayd/relayd.c
index 2adcbe415..c3ad597ed 100644
--- a/src/common/relayd/relayd.c
+++ b/src/common/relayd/relayd.c
@@ -35,7 +35,7 @@
  * Send command. Fill up the header and append the data.
  */
 static int send_command(struct lttcomm_relayd_sock *rsock,
-		enum lttcomm_relayd_command cmd, void *data, size_t size,
+		enum lttcomm_relayd_command cmd, const void *data, size_t size,
 		int flags)
 {
 	int ret;
@@ -378,7 +378,8 @@ end:
  * If major versions are compatible, we assign minor_to_use to the
  * minor version of the procotol we are going to use for this session.
  *
- * Return 0 if compatible else negative value.
+ * Return 0 if the two daemons are compatible, LTTNG_ERR_RELAYD_VERSION_FAIL
+ * otherwise, or a negative value on network errors.
  */
 int relayd_version_check(struct lttcomm_relayd_sock *rsock)
 {
@@ -420,7 +421,7 @@ int relayd_version_check(struct lttcomm_relayd_sock *rsock)
 	 */
 	if (msg.major != rsock->major) {
 		/* Not compatible */
-		ret = -1;
+		ret = LTTNG_ERR_RELAYD_VERSION_FAIL;
 		DBG2("Relayd version is NOT compatible. Relayd version %u != %u (us)",
 				msg.major, rsock->major);
 		goto error;
@@ -940,3 +941,61 @@ int relayd_reset_metadata(struct lttcomm_relayd_sock *rsock,
 error:
 	return ret;
 }
+
+int relayd_mkdir(struct lttcomm_relayd_sock *rsock, const char *path)
+{
+	int ret;
+	struct lttcomm_relayd_mkdir *msg;
+	struct lttcomm_relayd_generic_reply reply;
+	size_t len;
+
+	/* Code flow error. Safety net. */
+	assert(rsock);
+
+	DBG("Relayd mkdir path %s", path);
+
+	len = strlen(path) + 1;
+	msg = zmalloc(sizeof(msg->length) + len);
+	if (!msg) {
+		PERROR("Alloc mkdir msg");
+		ret = -1;
+		goto error;
+	}
+	msg->length = htobe32((uint32_t) len);
+
+	if (lttng_strncpy(msg->path, path, len)) {
+		ret = -1;
+		goto error;
+	}
+
+	/* Send command */
+	ret = send_command(rsock, RELAYD_MKDIR, (void *) msg,
+			sizeof(msg->length) + len, 0);
+	if (ret < 0) {
+		goto error;
+	}
+
+	/* Receive response */
+	ret = recv_reply(rsock, (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 != LTTNG_OK) {
+		ret = -1;
+		ERR("Relayd mkdir replied error %d", reply.ret_code);
+	} else {
+		/* Success */
+		ret = 0;
+	}
+
+	DBG("Relayd mkdir completed successfully");
+
+error:
+	free(msg);
+	return ret;
+
+}