#include <stdio.h>
#include <string.h>
#include <stdint.h>
+#include <unistd.h>
#include <assert.h>
#include <getopt.h>
#include <arpa/inet.h>
#include <sys/ioctl.h>
#include <sys/poll.h>
#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/wait.h>
#include <signal.h>
#include <errno.h>
#include <ctype.h>
}
}
}
+
+bool dry_run_config(const std::string &argv0, const std::string &config_filename)
+{
+ char *argv0_copy = strdup(argv0.c_str());
+ char *config_filename_copy = strdup(config_filename.c_str());
+
+ pid_t pid = fork();
+ switch (pid) {
+ case -1:
+ perror("fork()");
+ free(argv0_copy);
+ free(config_filename_copy);
+ return false;
+ case 0:
+ // Child.
+ execlp(argv0_copy, argv0_copy, "--test-config", config_filename_copy, NULL);
+ perror(argv0_copy);
+ _exit(1);
+ default:
+ // Parent.
+ break;
+ }
+
+ free(argv0_copy);
+ free(config_filename_copy);
+
+ int status;
+ pid_t err;
+ do {
+ err = waitpid(pid, &status, 0);
+ } while (err == -1 && errno == EINTR);
+
+ if (err == -1) {
+ perror("waitpid()");
+ return false;
+ }
+
+ return (WIFEXITED(status) && WEXITSTATUS(status) == 0);
+}
int main(int argc, char **argv)
{
- fprintf(stderr, "\nCubemap " SERVER_VERSION " starting.\n");
-
// Parse options.
int state_fd = -1;
+ bool test_config = false;
for ( ;; ) {
static const option long_options[] = {
{ "state", required_argument, 0, 's' },
+ { "test-config", no_argument, 0, 't' },
};
int option_index = 0;
- int c = getopt_long (argc, argv, "s:", long_options, &option_index);
+ int c = getopt_long (argc, argv, "s:t", long_options, &option_index);
if (c == -1) {
break;
case 's':
state_fd = atoi(optarg);
break;
+ case 't':
+ test_config = true;
+ break;
default:
assert(false);
}
config_filename = argv[optind++];
}
- struct timeval serialize_start;
-
Config config;
if (!parse_config(config_filename, &config)) {
exit(1);
}
+ if (test_config) {
+ exit(0);
+ }
+start:
+ fprintf(stderr, "\nCubemap " SERVER_VERSION " starting.\n");
servers = new ServerPool(config.num_servers);
CubemapStateProto loaded_state;
+ struct timeval serialize_start;
set<string> deserialized_stream_ids;
map<string, Input *> deserialized_inputs;
map<int, Acceptor *> deserialized_acceptors;
create_input(loaded_state.inputs(i))));
}
- // Convert the acceptor from older serialized formats.
- if (loaded_state.has_server_sock() && loaded_state.has_port()) {
- AcceptorProto *acceptor = loaded_state.add_acceptors();
- acceptor->set_server_sock(loaded_state.server_sock());
- acceptor->set_port(loaded_state.port());
- }
-
// Deserialize the acceptors.
for (int i = 0; i < loaded_state.acceptors_size(); ++i) {
deserialized_acceptors.insert(make_pair(
state_fd = make_tempfile(collect_state(
serialize_start, acceptors, inputs, servers));
delete servers;
+
+ if (!dry_run_config(argv[0], config_filename)) {
+ fprintf(stderr, "ERROR: %s --test-config failed. Restarting old version instead of new.\n", argv[0]);
+ hupped = false;
+ goto start;
+ }
char buf[16];
sprintf(buf, "%d", state_fd);