X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconfig%2Fconfig.c;h=8b34d02f1d54500a339f4cb190d58bba1bf6d4b1;hb=347c5ab5500e49fcd356a7e000f44ebce633e1d4;hp=e74e20f6c016e2fbbfe101c19a52fa0f6de93e18;hpb=5a8f54da84e1df8beadfef3a9f866e35a3ea13dd;p=lttng-tools.git

diff --git a/src/common/config/config.c b/src/common/config/config.c
index e74e20f6c..8b34d02f1 100644
--- a/src/common/config/config.c
+++ b/src/common/config/config.c
@@ -568,13 +568,50 @@ void fini_session_config_validation_ctx(
 	memset(ctx, 0, sizeof(struct session_config_validation_ctx));
 }
 
+static
+char *get_session_config_xsd_path()
+{
+	char *xsd_path;
+	const char *base_path = getenv(DEFAULT_SESSION_CONFIG_XSD_PATH_ENV);
+	size_t base_path_len;
+	size_t max_path_len;
+
+	if (!base_path) {
+		base_path = DEFAULT_SESSION_CONFIG_XSD_PATH;
+	}
+
+	base_path_len = strlen(base_path);
+	max_path_len = base_path_len +
+		sizeof(DEFAULT_SESSION_CONFIG_XSD_FILENAME) + 1;
+	xsd_path = zmalloc(max_path_len);
+	if (!xsd_path) {
+		goto end;
+	}
+
+	strncpy(xsd_path, base_path, max_path_len);
+	if (xsd_path[base_path_len - 1] != '/') {
+		xsd_path[base_path_len++] = '/';
+	}
+
+	strncpy(xsd_path + base_path_len, DEFAULT_SESSION_CONFIG_XSD_FILENAME,
+		max_path_len - base_path_len);
+end:
+	return xsd_path;
+}
+
 static
 int init_session_config_validation_ctx(
 	struct session_config_validation_ctx *ctx)
 {
 	int ret;
+	char *xsd_path = get_session_config_xsd_path();
+
+	if (!xsd_path) {
+		ret = -LTTNG_ERR_NOMEM;
+		goto end;
+	}
 
-	ctx->parser_ctx = xmlSchemaNewParserCtxt(DEFAULT_SESSION_CONFIG_XSD_PATH);
+	ctx->parser_ctx = xmlSchemaNewParserCtxt(xsd_path);
 	if (!ctx->parser_ctx) {
 		ERR("XSD parser context creation failed");
 		ret = -LTTNG_ERR_LOAD_INVALID_CONFIG;
@@ -606,6 +643,7 @@ end:
 		fini_session_config_validation_ctx(ctx);
 	}
 
+	free(xsd_path);
 	return ret;
 }
 
@@ -1222,11 +1260,12 @@ int create_session(const char *name,
 
 		/* network destination */
 		if (live_timer_interval && live_timer_interval != UINT64_MAX) {
-			const char *url = output.control_uri ?
-				output.control_uri : output.data_uri;
-
-			/* URL has to be provided, even if we'll overwrite it after. */
-			ret = lttng_create_session_live(name, url, live_timer_interval);
+			/*
+			 * URLs are provided for sure since the test above make sure that
+			 * with a live timer the data and control URIs are provided. So,
+			 * NULL is passed here and will be set right after.
+			 */
+			ret = lttng_create_session_live(name, NULL, live_timer_interval);
 		} else {
 			ret = lttng_create_session(name, NULL);
 		}
@@ -2341,7 +2380,14 @@ int load_session_from_path(const char *path, const char *session_name,
 
 	directory = opendir(path);
 	if (!directory) {
-		if (errno != ENOTDIR) {
+		switch (errno) {
+		case ENOTDIR:
+			/* Try the file loading. */
+			break;
+		case ENOENT:
+			ret = -LTTNG_ERR_LOAD_SESSION_NOENT;
+			goto end;
+		default:
 			ret = -LTTNG_ERR_LOAD_IO_FAIL;
 			goto end;
 		}