X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fcreate.c;h=d3e5b9a84106f84fbde44c50eb8376bcd8faae94;hb=5b89fc92cbb5a2a9d1fd2994edebb0453584f87c;hp=3379a3b27b8638a3f3455af6cc4b0dca981a90b5;hpb=95681498599cbd3bc1aa6dfa725a668ab272170b;p=lttng-tools.git

diff --git a/src/bin/lttng/commands/create.c b/src/bin/lttng/commands/create.c
index 3379a3b27..d3e5b9a84 100644
--- a/src/bin/lttng/commands/create.c
+++ b/src/bin/lttng/commands/create.c
@@ -24,7 +24,7 @@
 #include <string.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <time.h>
+#include <common/compat/time.h>
 #include <unistd.h>
 #include <signal.h>
 #include <sys/wait.h>
@@ -49,7 +49,13 @@ static char *opt_shm_path;
 static int opt_no_consumer;
 static int opt_no_output;
 static int opt_snapshot;
-static unsigned int opt_live_timer;
+static uint32_t opt_live_timer;
+
+#ifdef LTTNG_EMBED_HELP
+static const char help_msg[] =
+#include <lttng-create.1.h>
+;
+#endif
 
 enum {
 	OPT_HELP = 1,
@@ -342,6 +348,10 @@ static int create_session(void)
 
 	/* Use default live URL if NO url is/are found. */
 	if ((opt_live_timer && !opt_url) && (opt_live_timer && !opt_data_url)) {
+		/* Override the url */
+		free(url);
+		url = NULL;
+
 		ret = asprintf(&alloc_url, "net://127.0.0.1");
 		if (ret < 0) {
 			PERROR("asprintf default live URL");
@@ -432,14 +442,14 @@ static int create_session(void)
 		MSG("Traces will be written in %s", print_str_url);
 
 		if (opt_live_timer) {
-			MSG("Live timer set to %u usec", opt_live_timer);
+			MSG("Live timer set to %u %s", opt_live_timer, USEC_UNIT);
 		}
 	} else if (opt_snapshot) {
 		if (print_str_url) {
 			MSG("Default snapshot output set to: %s", print_str_url);
 		}
 		MSG("Snapshot mode set. Every channel enabled for that session will "
-				"be set in overwrite mode and mmap output.");
+				"be set to mmap output, and default to overwrite mode.");
 	}
 	if (opt_shm_path) {
 		MSG("Session %s set to shm_path: %s.", session_name,
@@ -606,6 +616,22 @@ end:
 	return ret;
 }
 
+int validate_url_option_combination(void)
+{
+	int ret = 0;
+	int used_count = 0;
+
+	used_count += !!opt_url;
+	used_count += !!opt_output_path;
+	used_count += (opt_data_url || opt_ctrl_url);
+	if (used_count > 1) {
+		ERR("Only one of the --set-url, --ctrl-url/data-url, or --output options may be used at once.");
+		ret = -1;
+	}
+
+	return ret;
+}
+
 /*
  *  The 'create <options>' first level command
  *
@@ -615,6 +641,7 @@ int cmd_create(int argc, const char **argv)
 {
 	int opt, ret = CMD_SUCCESS, command_ret = CMD_SUCCESS, success = 1;
 	char *opt_arg = NULL;
+	const char *leftover = NULL;
 	static poptContext pc;
 
 	pc = poptGetContext(NULL, argc, argv, long_options, 0);
@@ -630,7 +657,7 @@ int cmd_create(int argc, const char **argv)
 			goto end;
 		case OPT_LIVE_TIMER:
 		{
-			unsigned long v;
+			uint64_t v;
 
 			errno = 0;
 			opt_arg = poptGetOptArg(pc);
@@ -642,22 +669,24 @@ int cmd_create(int argc, const char **argv)
 				break;
 			}
 
-			v = strtoul(opt_arg, NULL, 0);
-			if (errno != 0 || !isdigit(opt_arg[0])) {
-				ERR("Wrong value in --live parameter: %s", opt_arg);
+			if (utils_parse_time_suffix(opt_arg, &v) < 0) {
+				ERR("Wrong value for --live parameter: %s", opt_arg);
 				ret = CMD_ERROR;
 				goto end;
 			}
+
 			if (v != (uint32_t) v) {
 				ERR("32-bit overflow in --live parameter: %s", opt_arg);
 				ret = CMD_ERROR;
 				goto end;
 			}
+
 			if (v == 0) {
 				ERR("Live timer interval must be greater than zero");
 				ret = CMD_ERROR;
 				goto end;
 			}
+
 			opt_live_timer = (uint32_t) v;
 			DBG("Session live timer interval set to %d", opt_live_timer);
 			break;
@@ -674,6 +703,12 @@ int cmd_create(int argc, const char **argv)
 		goto end;
 	}
 
+	ret = validate_url_option_combination();
+	if (ret) {
+		ret = CMD_ERROR;
+		goto end;
+	}
+
 	/* Spawn a session daemon if needed */
 	if (!opt_no_sessiond) {
 		ret = launch_sessiond();
@@ -709,6 +744,13 @@ int cmd_create(int argc, const char **argv)
 	}
 	opt_session_name = (char*) poptGetArg(pc);
 
+	leftover = poptGetArg(pc);
+	if (leftover) {
+		ERR("Unknown argument: %s", leftover);
+		ret = CMD_ERROR;
+		goto end;
+	}
+
 	command_ret = create_session();
 	if (command_ret) {
 		success = 0;