X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=lttng%2Fcommands%2Fdestroy.c;fp=lttng%2Fcommands%2Fdestroy.c;h=9519403ad1c68e26a85a913e7714dd536a2f20fc;hp=0000000000000000000000000000000000000000;hb=f3ed775ef4842019b396f06095b053c3a70bc3c8;hpb=d686b40f66ea5df5ac0b9405991bbc33348b0a88

diff --git a/lttng/commands/destroy.c b/lttng/commands/destroy.c
new file mode 100644
index 000000000..9519403ad
--- /dev/null
+++ b/lttng/commands/destroy.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#define _GNU_SOURCE
+#include <popt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "cmd.h"
+#include "config.h"
+#include "utils.h"
+
+static char *opt_session_name;
+
+enum {
+	OPT_HELP = 1,
+};
+
+static struct poptOption long_options[] = {
+	/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
+	{"help",      'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
+	{0, 0, 0, 0, 0, 0, 0}
+};
+
+/*
+ * usage
+ */
+static void usage(FILE *ofp)
+{
+	fprintf(ofp, "usage: lttng destroy [options] [NAME]\n");
+	fprintf(ofp, "\n");
+	fprintf(ofp, "Where NAME is an optional session name. If not specified, lttng will\n");
+	fprintf(ofp, "get it from the configuration directory (.lttng).\n");
+	fprintf(ofp, "\n");
+	fprintf(ofp, "  -h, --help           Show this help\n");
+	fprintf(ofp, "\n");
+}
+
+/*
+ *  destroy_session
+ *
+ *  Destroy a session removing the config directory and unregistering to the
+ *  session daemon.
+ */
+static int destroy_session()
+{
+	int ret;
+	char *session_name, *path;
+
+	if (opt_session_name == NULL) {
+		session_name = get_session_name();
+		if (session_name == NULL) {
+			ret = CMD_ERROR;
+			goto error;
+		}
+	} else {
+		session_name = opt_session_name;
+	}
+
+	ret = lttng_destroy_session(session_name);
+	if (ret < 0) {
+		goto free_name;
+	}
+
+	path = get_config_file_path();
+	if (path == NULL) {
+		ret = CMD_FATAL;
+		goto free_name;
+	}
+
+	if (opt_session_name == NULL) {
+		config_destroy(path);
+		MSG("Session %s destroyed at %s", session_name, path);
+	} else {
+		MSG("Session %s destroyed", session_name);
+	}
+
+	free(path);
+	ret = CMD_SUCCESS;
+
+free_name:
+	free(session_name);
+error:
+	return ret;
+}
+
+/*
+ *  cmd_destroy
+ *
+ *  The 'destroy <options>' first level command
+ */
+int cmd_destroy(int argc, const char **argv)
+{
+	int opt, ret = CMD_SUCCESS;
+	static poptContext pc;
+
+	pc = poptGetContext(NULL, argc, argv, long_options, 0);
+	poptReadDefaultConfig(pc, 0);
+
+	while ((opt = poptGetNextOpt(pc)) != -1) {
+		switch (opt) {
+		case OPT_HELP:
+			usage(stderr);
+			goto end;
+		default:
+			usage(stderr);
+			ret = CMD_UNDEFINED;
+			goto end;
+		}
+	}
+
+	opt_session_name = (char*) poptGetArg(pc);
+
+	ret = destroy_session();
+
+end:
+	return ret;
+}