void master_trigger::run_alone(const char* path /* = NULL */,
int count /* = 1 */, int interval /* = 1 */)
{
// 每个进程只能有一个实例在运行
acl_assert(has_called == false);
has_called = true;
daemon_mode_ = false;
#ifdef WIN32
acl_init();
#endif
if (interval <= 0)
interval = 1;
// 初始化配置参数
conf_.load(path);
service_pre_jail(NULL, NULL);
service_init(NULL, NULL);
int i = 0;
while (true)
{
sleep(interval);
service_main(NULL, 0, NULL, NULL);
if (count > 0 && ++i >= count)
break;
}
service_exit(NULL, NULL);
}
void master_udp::read_callback(int, ACL_EVENT*, ACL_VSTREAM *sstream, void*)
{
service_main(sstream, NULL, NULL);
__count++;
if (__count_limit > 0 && __count >= __count_limit)
__stop = true;
}
void master_threads::run_once(ACL_VSTREAM* client)
{
if (service_on_accept(client) != 0)
return;
socket_stream* stream = (socket_stream*) client->context;
acl_assert(stream);
ACL_SOCKET fd = stream->sock_handle();
int timeout = stream->get_rw_timeout();
while (true)
{
if (ACL_VSTREAM_BFRD_CNT(client) > 0)
{
// 当函数返回 1 时表示 client 已经被关闭了
if (service_main(client, NULL) == 1)
break;
continue;
}
// acl_read_wait 当 timeout 为 -1 时才是完全阻塞
// 等待连接有数据可读，当为 0 时则会立即返回，当
// > 0 时则等待最多指定超时时间
if(acl_read_wait(fd, timeout > 0 ? timeout : -1) == 0)
client->sys_read_ready = 1;
else if (service_on_timeout(client, NULL) == 0)
continue;
else
{
service_on_close(client, NULL);
// 删除流对象时会同时关闭套接字
delete stream;
break;
}
// 当函数返回 1 时表示 client 已经被关闭了
if (service_main(client, NULL) == 1)
break;
}
if (__count_limit > 0 && __count >= __count_limit)
__stop = true;
}
static void client_thread(int event_type acl_unused, void* arg)
{
ACL_WORKER_ATTR* attr = (ACL_WORKER_ATTR*) arg;
ACL_VSTREAM *client = (ACL_VSTREAM*) attr->run_data;
time_t last, cost;
while (1) {
last = time(NULL);
if (service_main(client, NULL) < 0)
break;
cost = time(NULL) - last;
if (cost >= 1)
printf("%s: >>> time cost = %ld\r\n", __FILE__, cost);
}
acl_vstream_close(client);
}
void master_proc::listen_callback(int, ACL_EVENT*, ACL_VSTREAM *sstream, void*)
{
ACL_VSTREAM* client = acl_vstream_accept(sstream, NULL, 0);
if (client == NULL)
{
logger_error("accept error %s", last_serror());
__stop = true;
}
else
{
service_main(client, NULL, NULL);
acl_vstream_close(client); // 因为在 service_main 里不会关闭连接
__count++;
if (__count_limit > 0 && __count >= __count_limit)
__stop = true;
}
}
static void service_test(void)
{
const char *addr = "127.0.0.1:8885";
ACL_VSTREAM *sstream = acl_vstream_listen(addr, 32), *client;
int ret;
assert(sstream != NULL);
acl_xinetd_params_int_table(NULL, var_conf_int_tab);
acl_xinetd_params_str_table(NULL, var_conf_str_tab);
acl_xinetd_params_bool_table(NULL, var_conf_bool_tab);
printf("listen %s ok\n", addr);
service_init(NULL);
while (1) {
client = acl_vstream_accept(sstream, NULL, 0);
if (client == NULL) {
printf("accept error: %s\n", acl_last_serror());
break;
}
while (1) {
if (acl_readable(ACL_VSTREAM_SOCK(client)) == 0)
continue;
ret = service_main(client, NULL);
if (ret < 0) {
acl_vstream_close(client);
break;
}
if (ret > 0)
break;
}
}
service_exit(NULL);
acl_vstream_close(sstream);
}
void master_threads2::run_once(ACL_VSTREAM* client)
{
if (service_on_accept(client) != 0)
{
service_on_close(client, NULL);
acl_vstream_close(client);
return;
}
socket_stream* stream = (socket_stream*) client->context;
acl_assert(stream);
ACL_SOCKET fd = stream->sock_handle();
int timeout = stream->get_rw_timeout();
int ret;
while (true)
{
if (ACL_VSTREAM_BFRD_CNT(client) > 0)
{
// 当函数返回 1 时表示 client 已经被关闭了
if (service_main(client, NULL) == 1)
break;
continue;
}
// acl_read_wait 当 timeout 为 -1 时才是完全阻塞
// 等待连接有数据可读，当为 0 时则会立即返回，当
// > 0 时则等待最多指定超时时间
if(acl_read_wait(fd, timeout > 0 ? timeout : -1) == 0)
client->read_ready = 1;
else if (service_on_timeout(client, NULL) == 0)
continue;
else
{
service_on_close(client, NULL);
// stream 对象会在 service_on_close 中被删除，
// 但在删除时并不会真正关闭套接流，所以需要在
// 此处关闭套接字流
acl_vstream_close(client);
break;
}
// 返回 -1 表示需要关闭该客户端连接
if ((ret = service_main(client, NULL)) == -1)
{
service_on_close(client, NULL);
// stream 对象会在 service_on_close 中被删除，
// 但在删除时并不会真正关闭套接流，所以需要在
// 此处关闭套接字流
acl_vstream_close(client);
break;
}
// service_main 只能返回 0 或 -1
acl_assert(ret == 0);
}
if (__count_limit > 0 && __count >= __count_limit)
__stop = true;
}
int daemon_main(const char * ident, const daemon_winsvc_options * svc_opts,
int (*main_func)(int, char **), int argc, char **argv )
{
int rc;
#ifdef _DEBUG
// Enable Debug heap checks
_CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG)
|_CRTDBG_ALLOC_MEM_DF|_CRTDBG_CHECK_ALWAYS_DF|_CRTDBG_LEAK_CHECK_DF);
#endif
// Check for [status|stop|reload|restart|sigusr1|sigusr2] parameters
if ((rc = initd_main(ident, argc, argv)) >= 0)
return rc;
// Check for [install|remove] parameters
if (svc_opts && (rc = svcadm_main(ident, svc_opts, argc, argv)) >= 0)
return rc;
// Run as service if svc_opts.cmd_opt is given as first(!) argument
svc_mode = (svc_opts && argc >= 2 && !strcmp(argv[1], svc_opts->cmd_opt));
if (!svc_mode) {
// Daemon: Try to simulate a Unix-like daemon
HANDLE rev;
BOOL exists;
// Create main event to detect process type:
// 1. new: parent process => start child and wait for detach() or exit() of child.
// 2. exists && signaled: child process => do the real work, signal detach() to parent
// 3. exists && !signaled: already running => exit()
if (!(rev = create_event(EVT_RUNNING, TRUE/*signaled*/, TRUE, &exists)))
return 100;
if (!exists && !debugging()) {
// Event new => parent process
return parent_main(rev);
}
if (WaitForSingleObject(rev, 0) == WAIT_OBJECT_0) {
// Event was signaled => In child process
return child_main(rev, main_func, argc, argv);
}
// Event no longer signaled => Already running!
daemon_help(stdout, ident, "already running");
CloseHandle(rev);
return 1;
}
else {
// Service: Start service_main() via SCM
SERVICE_TABLE_ENTRY service_table[] = {
{ (char*)svc_opts->svcname, service_main }, { NULL, NULL }
};
svc_main_func = main_func;
svc_main_argc = argc;
svc_main_argv = argv;
if (!StartServiceCtrlDispatcher(service_table)) {
printf("%s: cannot dispatch service, Error=%ld\n"
"Option \"%s\" cannot be used to start %s as a service from console.\n"
"Use \"%s install ...\" to install the service\n"
"and \"net start %s\" to start it.\n",
ident, GetLastError(), svc_opts->cmd_opt, ident, ident, ident);
#ifdef _DEBUG
if (debugging())
service_main(argc, argv);
#endif
return 100;
}
Sleep(1000);
ExitThread(0); // Do not redo exit() processing
/*NOTREACHED*/
return 0;
}
}
int main(int argc, char **argv)
{
int i;
char *p;
startup_log("main()");
dirsep = '\\';
GetModuleFileName(NULL, cfgdir, sizeof cfgdir);
startup_log("cfgdir = '%s'", cfgdir);
p = strrchr(cfgdir, dirsep);
if (p) *p = '\0';
cfgfile[0] = '\0';
snprcat(cfgfile, sizeof cfgfile,
"%s%c%s", cfgdir, dirsep, "mrbig.cfg");
startup_log("cfgfile = '%s'", cfgfile);
startup_log("SystemRoot = '%s'", getenv("SystemRoot"));
for (i = 1; i < argc; i++) {
if (!strcmp(argv[i], "-c")) {
i++;
if (argv[i] == NULL) {
fprintf(stderr, "No cfg file\n");
return EXIT_FAILURE;
}
} else if (!strcmp(argv[i], "-d")) {
debug++;
} else if (!strcmp(argv[i], "-m")) {
debug_memory = 1;
} else if (!strncmp(argv[i], "-i", 2)) {
if (argv[i][2] == '\0') {
install_service("MrBig", "Mr Big Monitoring Agent");
} else {
install_service(argv[i]+2, argv[i]+2);
}
return 0;
} else if (!strncmp(argv[i], "-u", 2)) {
if (argv[i][2] == '\0') {
delete_service("MrBig");
} else {
delete_service(argv[i]+2);
}
return 0;
} else if (!strcmp(argv[i], "-t")) {
standalone = 1;
} else {
fprintf(stderr, "Bogus option '%s'\n", argv[i]);
usage();
}
}
if (standalone) {
mrbig();
return 0;
}
startup_log("We want to become a service");
service_main(argc, argv);
dump_chunks();
check_chunks("just before exit");
dump_files();
return 0;
}
int main(int argc, char **argv){
if(argc > 1)
return interactive_main(argc,argv);
else
return service_main(argc,argv);
}