741 lines
23 KiB
C
741 lines
23 KiB
C
#include "hmain.h"
|
|
|
|
#include "hbase.h"
|
|
#include "hlog.h"
|
|
#include "herr.h"
|
|
#include "htime.h"
|
|
#include "hthread.h"
|
|
|
|
#ifdef OS_DARWIN
|
|
#include <crt_externs.h>
|
|
#define environ (*_NSGetEnviron())
|
|
#endif
|
|
|
|
main_ctx_t g_main_ctx;
|
|
|
|
static void init_arg_kv(int maxsize) {
|
|
g_main_ctx.arg_kv_size = 0;
|
|
SAFE_ALLOC(g_main_ctx.arg_kv, sizeof(char*) * maxsize);
|
|
}
|
|
|
|
static void save_arg_kv(const char* key, int key_len, const char* val, int val_len) {
|
|
if (key_len <= 0) key_len = strlen(key);
|
|
if (val_len <= 0) val_len = strlen(val);
|
|
char* arg = NULL;
|
|
SAFE_ALLOC(arg, key_len + val_len + 2);
|
|
memcpy(arg, key, key_len);
|
|
arg[key_len] = '=';
|
|
memcpy(arg + key_len + 1, val, val_len);
|
|
// printf("save_arg_kv: %s\n", arg);
|
|
g_main_ctx.arg_kv[g_main_ctx.arg_kv_size++] = arg;
|
|
}
|
|
|
|
static void init_arg_list(int maxsize) {
|
|
g_main_ctx.arg_list_size = 0;
|
|
SAFE_ALLOC(g_main_ctx.arg_list, sizeof(char*) * maxsize);
|
|
}
|
|
|
|
static void save_arg_list(const char* arg) {
|
|
// printf("save_arg_list: %s\n", arg);
|
|
g_main_ctx.arg_list[g_main_ctx.arg_list_size++] = strdup(arg);
|
|
}
|
|
|
|
static const char* get_val(char** kvs, const char* key) {
|
|
if (kvs == NULL) return NULL;
|
|
int key_len = strlen(key);
|
|
char* kv = NULL;
|
|
int kv_len = 0;
|
|
for (int i = 0; kvs[i]; ++i) {
|
|
kv = kvs[i];
|
|
kv_len = strlen(kv);
|
|
if (kv_len <= key_len) continue;
|
|
// key=val
|
|
if (memcmp(kv, key, key_len) == 0 && kv[key_len] == '=') {
|
|
return kv + key_len + 1;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
const char* get_arg(const char* key) {
|
|
return get_val(g_main_ctx.arg_kv, key);
|
|
}
|
|
|
|
const char* get_env(const char* key) {
|
|
return get_val(g_main_ctx.save_envp, key);
|
|
}
|
|
|
|
int main_ctx_init(int argc, char** argv) {
|
|
if (argc == 0 || argv == NULL) {
|
|
argc = 1;
|
|
SAFE_ALLOC(argv, 2 * sizeof(char*));
|
|
SAFE_ALLOC(argv[0], MAX_PATH);
|
|
get_executable_path(argv[0], MAX_PATH);
|
|
}
|
|
|
|
get_run_dir(g_main_ctx.run_dir, sizeof(g_main_ctx.run_dir));
|
|
//printf("run_dir=%s\n", g_main_ctx.run_dir);
|
|
strncpy(g_main_ctx.program_name, hv_basename(argv[0]), sizeof(g_main_ctx.program_name));
|
|
#ifdef OS_WIN
|
|
if (strcmp(g_main_ctx.program_name+strlen(g_main_ctx.program_name)-4, ".exe") == 0) {
|
|
*(g_main_ctx.program_name+strlen(g_main_ctx.program_name)-4) = '\0';
|
|
}
|
|
#endif
|
|
//printf("program_name=%s\n", g_main_ctx.program_name);
|
|
char logdir[MAX_PATH] = {0};
|
|
snprintf(logdir, sizeof(logdir), "%s/logs", g_main_ctx.run_dir);
|
|
hv_mkdir(logdir);
|
|
snprintf(g_main_ctx.confile, sizeof(g_main_ctx.confile), "%s/etc/%s.conf", g_main_ctx.run_dir, g_main_ctx.program_name);
|
|
snprintf(g_main_ctx.pidfile, sizeof(g_main_ctx.pidfile), "%s/logs/%s.pid", g_main_ctx.run_dir, g_main_ctx.program_name);
|
|
snprintf(g_main_ctx.logfile, sizeof(g_main_ctx.logfile), "%s/logs/%s.log", g_main_ctx.run_dir, g_main_ctx.program_name);
|
|
hlog_set_file(g_main_ctx.logfile);
|
|
|
|
g_main_ctx.pid = getpid();
|
|
g_main_ctx.oldpid = getpid_from_pidfile();
|
|
#ifdef OS_UNIX
|
|
if (kill(g_main_ctx.oldpid, 0) == -1 && errno == ESRCH) {
|
|
g_main_ctx.oldpid = -1;
|
|
}
|
|
#else
|
|
HANDLE hproc = OpenProcess(PROCESS_TERMINATE, FALSE, g_main_ctx.oldpid);
|
|
if (hproc == NULL) {
|
|
g_main_ctx.oldpid = -1;
|
|
}
|
|
else {
|
|
CloseHandle(hproc);
|
|
}
|
|
#endif
|
|
|
|
// save arg
|
|
int i = 0;
|
|
g_main_ctx.os_argv = argv;
|
|
g_main_ctx.argc = 0;
|
|
g_main_ctx.arg_len = 0;
|
|
for (i = 0; argv[i]; ++i) {
|
|
g_main_ctx.arg_len += strlen(argv[i]) + 1;
|
|
}
|
|
g_main_ctx.argc = i;
|
|
char* argp = NULL;
|
|
SAFE_ALLOC(argp, g_main_ctx.arg_len);
|
|
SAFE_ALLOC(g_main_ctx.save_argv, (g_main_ctx.argc + 1) * sizeof(char*));
|
|
char* cmdline = NULL;
|
|
SAFE_ALLOC(cmdline, g_main_ctx.arg_len);
|
|
g_main_ctx.cmdline = cmdline;
|
|
for (i = 0; argv[i]; ++i) {
|
|
strcpy(argp, argv[i]);
|
|
g_main_ctx.save_argv[i] = argp;
|
|
argp += strlen(argv[i]) + 1;
|
|
|
|
strcpy(cmdline, argv[i]);
|
|
cmdline += strlen(argv[i]);
|
|
*cmdline = ' ';
|
|
++cmdline;
|
|
}
|
|
g_main_ctx.save_argv[g_main_ctx.argc] = NULL;
|
|
g_main_ctx.cmdline[g_main_ctx.arg_len-1] = '\0';
|
|
|
|
#if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_DARWIN)
|
|
// save env
|
|
g_main_ctx.os_envp = environ;
|
|
g_main_ctx.envc = 0;
|
|
g_main_ctx.env_len = 0;
|
|
for (i = 0; environ[i]; ++i) {
|
|
g_main_ctx.env_len += strlen(environ[i]) + 1;
|
|
}
|
|
g_main_ctx.envc = i;
|
|
char* envp = NULL;
|
|
SAFE_ALLOC(envp, g_main_ctx.env_len);
|
|
SAFE_ALLOC(g_main_ctx.save_envp, (g_main_ctx.envc + 1) * sizeof(char*));
|
|
for (i = 0; environ[i]; ++i) {
|
|
g_main_ctx.save_envp[i] = envp;
|
|
strcpy(g_main_ctx.save_envp[i], environ[i]);
|
|
envp += strlen(environ[i]) + 1;
|
|
}
|
|
g_main_ctx.save_envp[g_main_ctx.envc] = NULL;
|
|
#endif
|
|
|
|
// signals
|
|
g_main_ctx.reload_fn = NULL;
|
|
g_main_ctx.reload_userdata = NULL;
|
|
|
|
// master workers
|
|
g_main_ctx.worker_processes = 0;
|
|
g_main_ctx.worker_threads = 0;
|
|
g_main_ctx.worker_fn = 0;
|
|
g_main_ctx.worker_userdata = 0;
|
|
g_main_ctx.proc_ctxs = NULL;
|
|
|
|
atexit(main_ctx_free);
|
|
return 0;
|
|
}
|
|
|
|
void main_ctx_free(void) {
|
|
if (g_main_ctx.save_argv) {
|
|
SAFE_FREE(g_main_ctx.save_argv[0]);
|
|
SAFE_FREE(g_main_ctx.save_argv);
|
|
}
|
|
SAFE_FREE(g_main_ctx.cmdline);
|
|
if (g_main_ctx.save_envp) {
|
|
SAFE_FREE(g_main_ctx.save_envp[0]);
|
|
SAFE_FREE(g_main_ctx.save_envp);
|
|
}
|
|
if (g_main_ctx.arg_kv) {
|
|
for (int i = 0; i < g_main_ctx.arg_kv_size; ++i) {
|
|
SAFE_FREE(g_main_ctx.arg_kv[i]);
|
|
}
|
|
SAFE_FREE(g_main_ctx.arg_kv);
|
|
}
|
|
if (g_main_ctx.arg_list) {
|
|
for (int i = 0; i < g_main_ctx.arg_list_size; ++i) {
|
|
SAFE_FREE(g_main_ctx.arg_list[i]);
|
|
}
|
|
SAFE_FREE(g_main_ctx.arg_list);
|
|
}
|
|
}
|
|
|
|
#define UNDEFINED_OPTION -1
|
|
static int get_arg_type(int short_opt, const char* options) {
|
|
if (options == NULL) return UNDEFINED_OPTION;
|
|
const char* p = options;
|
|
while (*p && *p != short_opt) ++p;
|
|
if (*p == '\0') return UNDEFINED_OPTION;
|
|
if (*(p+1) == ':') return REQUIRED_ARGUMENT;
|
|
return NO_ARGUMENT;
|
|
}
|
|
|
|
int parse_opt(int argc, char** argv, const char* options) {
|
|
if (argc < 1) return 0;
|
|
init_arg_kv(strlen(options) + 1);
|
|
init_arg_list(argc);
|
|
|
|
for (int i = 1; argv[i]; ++i) {
|
|
char* p = argv[i];
|
|
if (*p != '-') {
|
|
save_arg_list(argv[i]);
|
|
continue;
|
|
}
|
|
while (*++p) {
|
|
int arg_type = get_arg_type(*p, options);
|
|
if (arg_type == UNDEFINED_OPTION) {
|
|
printf("Invalid option '%c'\n", *p);
|
|
return -20;
|
|
} else if (arg_type == NO_ARGUMENT) {
|
|
save_arg_kv(p, 1, OPTION_ENABLE, 0);
|
|
continue;
|
|
} else if (arg_type == REQUIRED_ARGUMENT) {
|
|
if (*(p+1) != '\0') {
|
|
save_arg_kv(p, 1, p+1, 0);
|
|
break;
|
|
} else if (argv[i+1] != NULL) {
|
|
save_arg_kv(p, 1, argv[++i], 0);
|
|
break;
|
|
} else {
|
|
printf("Option '%c' requires param\n", *p);
|
|
return -30;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const option_t* get_option(const char* opt, const option_t* long_options, int size) {
|
|
if (opt == NULL || long_options == NULL) return NULL;
|
|
int len = strlen(opt);
|
|
if (len == 0) return NULL;
|
|
if (len == 1) {
|
|
for (int i = 0; i < size; ++i) {
|
|
if (long_options[i].short_opt == *opt) {
|
|
return &long_options[i];
|
|
}
|
|
}
|
|
} else {
|
|
for (int i = 0; i < size; ++i) {
|
|
if (strcmp(long_options[i].long_opt, opt) == 0) {
|
|
return &long_options[i];
|
|
}
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#define MAX_OPTION 32
|
|
// opt type
|
|
#define NOPREFIX_OPTION 0
|
|
#define SHORT_OPTION -1
|
|
#define LONG_OPTION -2
|
|
int parse_opt_long(int argc, char** argv, const option_t* long_options, int size) {
|
|
if (argc < 1) return 0;
|
|
init_arg_kv(size + 1);
|
|
init_arg_list(argc);
|
|
|
|
char opt[MAX_OPTION+1] = {0};
|
|
for (int i = 1; argv[i]; ++i) {
|
|
char* arg = argv[i];
|
|
int opt_type = NOPREFIX_OPTION;
|
|
// prefix
|
|
if (*arg == OPTION_PREFIX) {
|
|
++arg;
|
|
opt_type = SHORT_OPTION;
|
|
if (*arg == OPTION_PREFIX) {
|
|
++arg;
|
|
opt_type = LONG_OPTION;
|
|
}
|
|
}
|
|
int arg_len = strlen(arg);
|
|
// delim
|
|
char* delim = strchr(arg, OPTION_DELIM);
|
|
if (delim) {
|
|
if (delim == arg || delim == arg+arg_len-1 || delim-arg > MAX_OPTION) {
|
|
printf("Invalid option '%s'\n", argv[i]);
|
|
return -10;
|
|
}
|
|
memcpy(opt, arg, delim-arg);
|
|
opt[delim-arg] = '\0';
|
|
} else {
|
|
if (opt_type == SHORT_OPTION) {
|
|
*opt = *arg;
|
|
opt[1] = '\0';
|
|
} else {
|
|
strncpy(opt, arg, MAX_OPTION);
|
|
}
|
|
}
|
|
// get_option
|
|
const option_t* pOption = get_option(opt, long_options, size);
|
|
if (pOption == NULL) {
|
|
if (delim == NULL && opt_type == NOPREFIX_OPTION) {
|
|
save_arg_list(arg);
|
|
continue;
|
|
} else {
|
|
printf("Invalid option: '%s'\n", argv[i]);
|
|
return -10;
|
|
}
|
|
}
|
|
const char* value = NULL;
|
|
if (pOption->arg_type == NO_ARGUMENT) {
|
|
// -h
|
|
value = OPTION_ENABLE;
|
|
} else {
|
|
if (delim) {
|
|
// --port=80
|
|
value = delim+1;
|
|
} else {
|
|
if (opt_type == SHORT_OPTION && *(arg+1) != '\0') {
|
|
// p80
|
|
value = arg+1;
|
|
} else if (argv[i+1] != NULL) {
|
|
// --port 80
|
|
value = argv[++i];
|
|
} else if (pOption->arg_type == REQUIRED_ARGUMENT) {
|
|
printf("Option '%s' requires parament\n", opt);
|
|
return -20;
|
|
} else {
|
|
// arg_type == OPTIONAL_ARGUMENT
|
|
value = OPTION_ENABLE;
|
|
}
|
|
}
|
|
}
|
|
// preferred to use short_opt as key
|
|
if (pOption->short_opt > 0) {
|
|
save_arg_kv(&pOption->short_opt, 1, value, 0);
|
|
} else if (pOption->long_opt) {
|
|
save_arg_kv(pOption->long_opt, 0, value, 0);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
int dump_opt_long(const option_t* long_options, int opt_size, char* out_str, int out_size) {
|
|
/*
|
|
* Usage: program_name [short_options]
|
|
* Options:
|
|
* -%c|--%s description
|
|
* -%c|--%s <value> description
|
|
* -%c|--%s [value] description
|
|
*/
|
|
int align = 0, max_align = 0;
|
|
char short_options[256] = {0};
|
|
char* p = short_options;
|
|
for (int i = 0; i < opt_size; ++i) {
|
|
if (long_options[i].short_opt > 0) {
|
|
*p++ = long_options[i].short_opt;
|
|
}
|
|
if (long_options[i].arg_type == NO_ARGUMENT) {
|
|
// " -%c|--%s "
|
|
align = 9 + strlen(long_options[i].long_opt);
|
|
} else {
|
|
// " -%c|--%s <value> "
|
|
align = 17 + strlen(long_options[i].long_opt);
|
|
if (long_options[i].short_opt > 0) {
|
|
*p++ = ':';
|
|
}
|
|
}
|
|
if (align > max_align) max_align = align;
|
|
}
|
|
|
|
int offset = 0;
|
|
if (*g_main_ctx.program_name) {
|
|
offset = snprintf(out_str, out_size, "Usage: %s [%s]\n", g_main_ctx.program_name, short_options);
|
|
}
|
|
offset += snprintf(out_str + offset, out_size - offset, "Options:\n");
|
|
char short_opt_chars[4] = {0};
|
|
for (int i = 0; i < opt_size; ++i) {
|
|
if (long_options[i].short_opt > 0) {
|
|
// -%c|
|
|
short_opt_chars[0] = '-';
|
|
short_opt_chars[1] = long_options[i].short_opt;
|
|
short_opt_chars[2] = '|';
|
|
} else {
|
|
short_opt_chars[0] = ' ';
|
|
short_opt_chars[1] = ' ';
|
|
short_opt_chars[2] = ' ';
|
|
}
|
|
if (long_options[i].arg_type == NO_ARGUMENT) {
|
|
// " -%c|--%s "
|
|
align = 9 + strlen(long_options[i].long_opt);
|
|
} else {
|
|
// " -%c|--%s <value> "
|
|
align = 17 + strlen(long_options[i].long_opt);
|
|
}
|
|
offset += snprintf(out_str + offset, out_size - offset, " %s--%s%s %*s%s\n",
|
|
short_opt_chars,
|
|
long_options[i].long_opt,
|
|
long_options[i].arg_type == REQUIRED_ARGUMENT ? " <value>" :
|
|
long_options[i].arg_type == OPTIONAL_ARGUMENT ? " [value]" : "",
|
|
max_align - align, "",
|
|
long_options[i].description ? long_options[i].description : "");
|
|
}
|
|
return offset;
|
|
}
|
|
|
|
#if defined(OS_UNIX) && !HAVE_SETPROCTITLE
|
|
/*
|
|
* memory layout
|
|
* argv[0]\0argv[1]\0argv[n]\0env[0]\0env[1]\0env[n]\0
|
|
*/
|
|
void setproctitle(const char* fmt, ...) {
|
|
char buf[256] = {0};
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
|
|
va_end(ap);
|
|
|
|
int len = g_main_ctx.arg_len + g_main_ctx.env_len;
|
|
if (g_main_ctx.os_argv && len) {
|
|
strncpy(g_main_ctx.os_argv[0], buf, len-1);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
int create_pidfile() {
|
|
FILE* fp = fopen(g_main_ctx.pidfile, "w");
|
|
if (fp == NULL) {
|
|
hloge("fopen('%s') error: %d", g_main_ctx.pidfile, errno);
|
|
return -1;
|
|
}
|
|
|
|
g_main_ctx.pid = hv_getpid();
|
|
fprintf(fp, "%d\n", (int)g_main_ctx.pid);
|
|
fclose(fp);
|
|
hlogi("create_pidfile('%s') pid=%d", g_main_ctx.pidfile, g_main_ctx.pid);
|
|
atexit(delete_pidfile);
|
|
return 0;
|
|
}
|
|
|
|
void delete_pidfile(void) {
|
|
hlogi("delete_pidfile('%s') pid=%d", g_main_ctx.pidfile, g_main_ctx.pid);
|
|
remove(g_main_ctx.pidfile);
|
|
}
|
|
|
|
pid_t getpid_from_pidfile() {
|
|
FILE* fp = fopen(g_main_ctx.pidfile, "r");
|
|
if (fp == NULL) {
|
|
// hloge("fopen('%s') error: %d", g_main_ctx.pidfile, errno);
|
|
return -1;
|
|
}
|
|
int pid = -1;
|
|
fscanf(fp, "%d", &pid);
|
|
fclose(fp);
|
|
return pid;
|
|
}
|
|
|
|
#ifdef OS_UNIX
|
|
// unix use signal
|
|
#include <sys/wait.h>
|
|
|
|
void signal_handler(int signo) {
|
|
hlogi("pid=%d recv signo=%d", getpid(), signo);
|
|
switch (signo) {
|
|
case SIGINT:
|
|
case SIGNAL_TERMINATE:
|
|
hlogi("killall processes");
|
|
signal(SIGCHLD, SIG_IGN);
|
|
// master send SIGKILL => workers
|
|
for (int i = 0; i < g_main_ctx.worker_processes; ++i) {
|
|
if (g_main_ctx.proc_ctxs[i].pid <= 0) break;
|
|
kill(g_main_ctx.proc_ctxs[i].pid, SIGKILL);
|
|
g_main_ctx.proc_ctxs[i].pid = -1;
|
|
}
|
|
exit(0);
|
|
break;
|
|
case SIGCHLD:
|
|
{
|
|
pid_t pid = 0;
|
|
int status = 0;
|
|
while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
|
|
hlogw("proc stop/waiting, pid=%d status=%d", pid, status);
|
|
for (int i = 0; i < g_main_ctx.worker_processes; ++i) {
|
|
proc_ctx_t* ctx = g_main_ctx.proc_ctxs + i;
|
|
if (ctx->pid == pid) {
|
|
ctx->pid = -1;
|
|
// NOTE: avoid frequent crash and restart
|
|
time_t run_time = time(NULL) - ctx->start_time;
|
|
if (ctx->spawn_cnt < 3 || run_time > 3600) {
|
|
hproc_spawn(ctx);
|
|
}
|
|
else {
|
|
hloge("proc crash, pid=%d spawn_cnt=%d run_time=%us",
|
|
pid, ctx->spawn_cnt, (unsigned int)run_time);
|
|
|
|
bool have_worker = false;
|
|
for (int i = 0; i < g_main_ctx.worker_processes; ++i) {
|
|
if (g_main_ctx.proc_ctxs[i].pid > 0) {
|
|
have_worker = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!have_worker) {
|
|
hlogw("No alive worker process, exit master process!");
|
|
exit(0);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case SIGNAL_RELOAD:
|
|
if (g_main_ctx.reload_fn) {
|
|
g_main_ctx.reload_fn(g_main_ctx.reload_userdata);
|
|
if (getpid_from_pidfile() == getpid()) {
|
|
// master send SIGNAL_RELOAD => workers
|
|
for (int i = 0; i < g_main_ctx.worker_processes; ++i) {
|
|
if (g_main_ctx.proc_ctxs[i].pid <= 0) break;
|
|
kill(g_main_ctx.proc_ctxs[i].pid, SIGNAL_RELOAD);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
int signal_init(procedure_t reload_fn, void* reload_userdata) {
|
|
g_main_ctx.reload_fn = reload_fn;
|
|
g_main_ctx.reload_userdata = reload_userdata;
|
|
|
|
signal(SIGINT, signal_handler);
|
|
signal(SIGCHLD, signal_handler);
|
|
signal(SIGNAL_TERMINATE, signal_handler);
|
|
signal(SIGNAL_RELOAD, signal_handler);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#elif defined(OS_WIN)
|
|
#include <mmsystem.h> // for timeSetEvent
|
|
|
|
// win32 use Event
|
|
//static HANDLE s_hEventTerm = NULL;
|
|
static HANDLE s_hEventReload = NULL;
|
|
|
|
static void WINAPI on_timer(UINT uTimerID, UINT uMsg, DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2) {
|
|
DWORD ret;
|
|
/*
|
|
ret = WaitForSingleObject(s_hEventTerm, 0);
|
|
if (ret == WAIT_OBJECT_0) {
|
|
hlogi("pid=%d recv event [TERM]", getpid());
|
|
if (getpid_from_pidfile() == getpid()) {
|
|
timeKillEvent(uTimerID);
|
|
exit(0);
|
|
}
|
|
}
|
|
*/
|
|
|
|
ret = WaitForSingleObject(s_hEventReload, 0);
|
|
if (ret == WAIT_OBJECT_0) {
|
|
hlogi("pid=%d recv event [RELOAD]", getpid());
|
|
if (g_main_ctx.reload_fn) {
|
|
g_main_ctx.reload_fn(g_main_ctx.reload_userdata);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void signal_cleanup(void) {
|
|
//CloseHandle(s_hEventTerm);
|
|
//s_hEventTerm = NULL;
|
|
CloseHandle(s_hEventReload);
|
|
s_hEventReload = NULL;
|
|
}
|
|
|
|
int signal_init(procedure_t reload_fn, void* reload_userdata) {
|
|
g_main_ctx.reload_fn = reload_fn;
|
|
g_main_ctx.reload_userdata = reload_userdata;
|
|
|
|
char eventname[MAX_PATH] = {0};
|
|
//snprintf(eventname, sizeof(eventname), "%s_term_event", g_main_ctx.program_name);
|
|
//s_hEventTerm = CreateEvent(NULL, FALSE, FALSE, eventname);
|
|
//s_hEventTerm = OpenEvent(EVENT_ALL_ACCESS, FALSE, eventname);
|
|
snprintf(eventname, sizeof(eventname), "%s_reload_event", g_main_ctx.program_name);
|
|
s_hEventReload = CreateEvent(NULL, FALSE, FALSE, eventname);
|
|
|
|
timeSetEvent(1000, 1000, on_timer, 0, TIME_PERIODIC);
|
|
|
|
atexit(signal_cleanup);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static void kill_proc(int pid) {
|
|
#ifdef OS_UNIX
|
|
kill(pid, SIGNAL_TERMINATE);
|
|
#else
|
|
//SetEvent(s_hEventTerm);
|
|
//hv_sleep(1);
|
|
HANDLE hproc = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
|
|
if (hproc) {
|
|
TerminateProcess(hproc, 0);
|
|
CloseHandle(hproc);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void signal_handle(const char* signal) {
|
|
if (strcmp(signal, "start") == 0) {
|
|
if (g_main_ctx.oldpid > 0) {
|
|
printf("%s is already running, pid=%d\n", g_main_ctx.program_name, g_main_ctx.oldpid);
|
|
exit(0);
|
|
}
|
|
} else if (strcmp(signal, "stop") == 0) {
|
|
if (g_main_ctx.oldpid > 0) {
|
|
kill_proc(g_main_ctx.oldpid);
|
|
printf("%s stop/waiting\n", g_main_ctx.program_name);
|
|
} else {
|
|
printf("%s is already stopped\n", g_main_ctx.program_name);
|
|
}
|
|
exit(0);
|
|
} else if (strcmp(signal, "restart") == 0) {
|
|
if (g_main_ctx.oldpid > 0) {
|
|
kill_proc(g_main_ctx.oldpid);
|
|
printf("%s stop/waiting\n", g_main_ctx.program_name);
|
|
hv_sleep(1);
|
|
}
|
|
} else if (strcmp(signal, "status") == 0) {
|
|
if (g_main_ctx.oldpid > 0) {
|
|
printf("%s start/running, pid=%d\n", g_main_ctx.program_name, g_main_ctx.oldpid);
|
|
} else {
|
|
printf("%s stop/waiting\n", g_main_ctx.program_name);
|
|
}
|
|
exit(0);
|
|
} else if (strcmp(signal, "reload") == 0) {
|
|
if (g_main_ctx.oldpid > 0) {
|
|
printf("reload confile [%s]\n", g_main_ctx.confile);
|
|
#ifdef OS_UNIX
|
|
kill(g_main_ctx.oldpid, SIGNAL_RELOAD);
|
|
#else
|
|
SetEvent(s_hEventReload);
|
|
#endif
|
|
}
|
|
hv_sleep(1);
|
|
exit(0);
|
|
} else {
|
|
printf("Invalid signal: '%s'\n", signal);
|
|
exit(0);
|
|
}
|
|
printf("%s start/running\n", g_main_ctx.program_name);
|
|
}
|
|
|
|
// master-workers processes
|
|
static HTHREAD_ROUTINE(worker_thread) {
|
|
hlogi("worker_thread pid=%ld tid=%ld", hv_getpid(), hv_gettid());
|
|
if (g_main_ctx.worker_fn) {
|
|
g_main_ctx.worker_fn(g_main_ctx.worker_userdata);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void worker_init(void* userdata) {
|
|
#ifdef OS_UNIX
|
|
setproctitle("%s: worker process", g_main_ctx.program_name);
|
|
signal(SIGNAL_RELOAD, signal_handler);
|
|
#endif
|
|
}
|
|
|
|
static void worker_proc(void* userdata) {
|
|
for (int i = 1; i < g_main_ctx.worker_threads; ++i) {
|
|
hthread_create(worker_thread, NULL);
|
|
}
|
|
worker_thread(NULL);
|
|
}
|
|
|
|
int master_workers_run(procedure_t worker_fn, void* worker_userdata,
|
|
int worker_processes, int worker_threads, bool wait) {
|
|
#ifdef OS_WIN
|
|
// NOTE: Windows not provide MultiProcesses
|
|
if (worker_threads == 0) {
|
|
// MultiProcesses => MultiThreads
|
|
worker_threads = worker_processes;
|
|
}
|
|
worker_processes = 0;
|
|
#endif
|
|
if (worker_threads == 0) worker_threads = 1;
|
|
|
|
g_main_ctx.worker_threads = worker_threads;
|
|
g_main_ctx.worker_fn = worker_fn;
|
|
g_main_ctx.worker_userdata = worker_userdata;
|
|
|
|
if (worker_processes == 0) {
|
|
// single process
|
|
if (wait) {
|
|
for (int i = 1; i < worker_threads; ++i) {
|
|
hthread_create(worker_thread, NULL);
|
|
}
|
|
worker_thread(NULL);
|
|
}
|
|
else {
|
|
for (int i = 0; i < worker_threads; ++i) {
|
|
hthread_create(worker_thread, NULL);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
if (g_main_ctx.worker_processes != 0) {
|
|
return ERR_OVER_LIMIT;
|
|
}
|
|
// master-workers processes
|
|
#ifdef OS_UNIX
|
|
setproctitle("%s: master process", g_main_ctx.program_name);
|
|
signal(SIGNAL_RELOAD, signal_handler);
|
|
#endif
|
|
g_main_ctx.worker_processes = worker_processes;
|
|
int bytes = g_main_ctx.worker_processes * sizeof(proc_ctx_t);
|
|
SAFE_ALLOC(g_main_ctx.proc_ctxs, bytes);
|
|
proc_ctx_t* ctx = g_main_ctx.proc_ctxs;
|
|
for (int i = 0; i < g_main_ctx.worker_processes; ++i, ++ctx) {
|
|
ctx->init = worker_init;
|
|
ctx->proc = worker_proc;
|
|
hproc_spawn(ctx);
|
|
hlogi("workers[%d] start/running, pid=%d", i, ctx->pid);
|
|
}
|
|
g_main_ctx.pid = getpid();
|
|
hlogi("master start/running, pid=%d", g_main_ctx.pid);
|
|
if (wait) {
|
|
while (1) hv_sleep (1);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|