X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Frelayd%2Frelayd.c;h=7e6520d29f51d3c9f8dbd4781d9383fa4fbbb829;hb=06586bbe5daca94845ab53f177883eb97e56bf50;hp=4cb1c1fd339d248d028901ad4c390faa8b1f654e;hpb=67d5aa2855e526af41a75754f99a70c281936636;p=lttng-tools.git

diff --git a/src/common/relayd/relayd.c b/src/common/relayd/relayd.c
index 4cb1c1fd3..7e6520d29 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;
@@ -72,14 +72,14 @@ static int send_command(struct lttcomm_relayd_sock *rsock,
 		memcpy(buf + sizeof(header), data, size);
 	}
 
+	DBG3("Relayd sending command %d of size %" PRIu64, (int) cmd, buf_size);
 	ret = rsock->sock.ops->sendmsg(&rsock->sock, buf, buf_size, flags);
 	if (ret < 0) {
+		PERROR("Failed to send command %d of size %" PRIu64,
+				(int) cmd, buf_size);
 		ret = -errno;
 		goto error;
 	}
-
-	DBG3("Relayd sending command %d of size %" PRIu64, cmd, buf_size);
-
 error:
 	free(buf);
 alloc_error:
@@ -941,3 +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;
+
+}