1 files changed, 113 insertions, 0 deletions

diff --git a/test/packetdrill/packetdrill.c b/test/packetdrill/packetdrill.c
new file mode 100644
index 0000000..4afa038
--- /dev/null
+++ b/test/packetdrill/packetdrill.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+/*
+ * Author: ncardwell@google.com (Neal Cardwell)
+ *
+ * This is the main() for the packetdrill TCP testing tool.
+ */
+
+#include "types.h"
+
+#include <arpa/inet.h>
+#include <getopt.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "assert.h"
+#include "config.h"
+#include "parse.h"
+#include "run.h"
+#include "script.h"
+#include "system.h"
+#include "wire_server.h"
+
+static void run_init_scripts(struct config *config)
+{
+	char *cp1, *cp2, *scripts, *error;
+
+	if (config->init_scripts == NULL)
+		return;
+
+	cp1 = scripts = strdup(config->init_scripts);
+	while (*cp1 != 0) {
+		cp2 = strstr(cp1, ",");
+		if (cp2 != NULL)
+			*cp2 = 0;
+		if (safe_system(cp1, &error)) {
+			die("%s: error executing init script '%s': %s\n",
+			    config->script_path, cp1, error);
+		}
+		if (cp2 == NULL)
+			break;
+		else
+			cp1 = cp2 + 1;
+	}
+	free(scripts);
+}
+
+int main(int argc, char *argv[])
+{
+	struct config config;
+	set_default_config(&config);
+	/* Get command line options and list of test scripts. */
+	char **arg = parse_command_line_options(argc, argv, &config);
+
+	/* If we're running as a server, just listen for connections forever. */
+	if (config.is_wire_server) {
+		if (*arg != NULL) {
+			fprintf(stderr,
+				"error: do not pass script paths to "
+				"the wire server on command line\n");
+			show_usage();
+			exit(EXIT_FAILURE);
+		}
+
+		run_wire_server(&config);
+		return 0;
+	}
+
+	/* Ensure that there is at least one script path, to avoid
+	 * confusion between the lack of output caused by "all tests
+	 * passing" and "no tests listed on command line".
+	 */
+	if (*arg == NULL) {
+		fprintf(stderr, "error: missing script path\n");
+		show_usage();
+		exit(EXIT_FAILURE);
+	}
+
+	/* Parse and run each script on the command line. */
+	for (; *arg != NULL; ++arg) {
+		struct script script;
+		const char *script_path = *arg;
+
+		if (parse_script_and_set_config(argc, argv, &config, &script,
+						script_path, NULL))
+			exit(EXIT_FAILURE);
+
+		/* If --dry_run, then don't actually execute the script. */
+		if (config.dry_run)
+			continue;
+
+		run_init_scripts(&config);
+		run_script(&config, &script);
+	}
+
+	return 0;
+}