static void
check_ovsdb_error(struct ovsdb_error *error)
{
if (error) {
ovs_fatal(0, "%s", ovsdb_error_to_string(error));
}
}
int
main(int argc, char *argv[])
{
char *unixctl_path = NULL;
char *run_command = NULL;
struct unixctl_server *unixctl;
struct ovsdb_jsonrpc_server *jsonrpc;
struct shash remotes;
struct ovsdb_error *error;
struct ovsdb_file *file;
struct ovsdb *db;
struct process *run_process;
char *file_name;
bool exiting;
int retval;
proctitle_init(argc, argv);
set_program_name(argv[0]);
signal(SIGPIPE, SIG_IGN);
process_init();
parse_options(argc, argv, &file_name, &remotes, &unixctl_path,
&run_command);
die_if_already_running();
daemonize_start();
error = ovsdb_file_open(file_name, false, &db, &file);
if (error) {
ovs_fatal(0, "%s", ovsdb_error_to_string(error));
}
jsonrpc = ovsdb_jsonrpc_server_create(db);
reconfigure_from_db(jsonrpc, db, &remotes);
retval = unixctl_server_create(unixctl_path, &unixctl);
if (retval) {
exit(EXIT_FAILURE);
}
if (run_command) {
char *run_argv[4];
run_argv[0] = "/bin/sh";
run_argv[1] = "-c";
run_argv[2] = run_command;
run_argv[3] = NULL;
retval = process_start(run_argv, NULL, 0, NULL, 0, &run_process);
if (retval) {
ovs_fatal(retval, "%s: process failed to start", run_command);
}
} else {
run_process = NULL;
}
daemonize_complete();
unixctl_command_register("exit", ovsdb_server_exit, &exiting);
unixctl_command_register("ovsdb-server/compact", ovsdb_server_compact,
file);
unixctl_command_register("ovsdb-server/reconnect", ovsdb_server_reconnect,
jsonrpc);
exiting = false;
while (!exiting) {
reconfigure_from_db(jsonrpc, db, &remotes);
ovsdb_jsonrpc_server_run(jsonrpc);
unixctl_server_run(unixctl);
ovsdb_trigger_run(db, time_msec());
if (run_process && process_exited(run_process)) {
exiting = true;
}
ovsdb_jsonrpc_server_wait(jsonrpc);
unixctl_server_wait(unixctl);
ovsdb_trigger_wait(db, time_msec());
if (run_process) {
process_wait(run_process);
}
poll_block();
}
ovsdb_jsonrpc_server_destroy(jsonrpc);
ovsdb_destroy(db);
shash_destroy(&remotes);
unixctl_server_destroy(unixctl);
if (run_process && process_exited(run_process)) {
int status = process_status(run_process);
if (status) {
ovs_fatal(0, "%s: child exited, %s",
run_command, process_status_msg(status));
}
}
return 0;
}