int main(int argc, char **argv) {
time_t start;
initServerConfig();
if (argc == 2) {
resetServerSaveParams();
loadServerConfig(argv[1]);
}
if (server.daemonize) daemonize();
initServer();
linuxOvercommitMemoryWarning();
start = time(NULL);
if (server.appendonly) {
loadAppendOnlyFile(server.appendfilename);
} else {
rdbLoad(server.dbfilename);
}
aeSetBeforeSleepProc(server.el,beforeSleep);
aeMain(server.el);
aeDeleteEventLoop(server.el);
return 0;
}
int main(int argv, char *argc){
initServerConfig();
initServer();
if (server.ipfd > 0)
redisLog(REDIS_NOTICE,"The server is now ready to accept connections on port %d", server.port);
if (server.sofd > 0)
redisLog(REDIS_NOTICE,"The server is now ready to accept connections at %s", server.unixsocket);
// aeSetBeforeSleepProc(server.el,beforeSleep);
aeMain(server.el);
aeDeleteEventLoop(server.el);
return EXIT_SUCCESS;
}
int
main(int argc, char *argv[]) {
/*
*
* Load logging module
* if error return process
*/
if(logging()) {
log4c_category_log(
log_handler, LOG4C_PRIORITY_FATAL,
"sync: primary process startup -- failed");
return -1;
}
log4c_category_log(
log_handler, LOG4C_PRIORITY_DEBUG,
"sync: primary process startup -- successful");
/*
*Load configure files
*initate server
*/
if(initServerConfig()) {
log4c_category_log(
log_handler, LOG4C_PRIORITY_FATAL,
"sync: initiate server configure -- failed");
return -3;
}
log4c_category_log(
log_handler, LOG4C_PRIORITY_DEBUG,
"sync: initiate server configure -- successful");
/*
*Create daemon
*if error return process
*/
if(xdaemon()) {
log4c_category_log(
log_handler, LOG4C_PRIORITY_FATAL,
"sync: process into daemon state -- failed");
return -2;
}
log4c_category_log(
log_handler, LOG4C_PRIORITY_DEBUG,
"sync: process into daemon state -- successful");
/*
*Create queue
*store receiver item
*/
if(create_queue()) {
log4c_category_log(
log_handler, LOG4C_PRIORITY_FATAL,
"sync: create queue -- failed");
return -4;
}
log4c_category_log(
log_handler, LOG4C_PRIORITY_DEBUG,
"sync: create queue -- successful");
/*
*create dump file
*when MySQL lost connect
*/
if(create_dump()) {
log4c_category_log(
log_handler, LOG4C_PRIORITY_FATAL,
"sync: create dump file -- failed");
}
log4c_category_log(
log_handler, LOG4C_PRIORITY_DEBUG,
"sync: create queue -- successful");
/*
*Create some process include:
*one receiver
*many mysql-connector
*/
create_thread();
/*
* Process never run to here
*/
return EXIT_SUCCESS;
}
int main(int argc, char **argv)
{
if (3 != argc)
{
help(argc, argv);
return -1;
}
int opt = -1;
char configfile[MIN_BUFSZ] = "";
while ((opt = getopt(argc, argv, "c:")) != -1)
{
switch (opt)
{
case 'c':
strcpy(configfile, optarg);
break;
default:
help(argc, argv);
return -1;
}
}
initServerConfig();
if (-1 == loadServerConfig(configfile))
{
return -1;
}
if (g_Server.daemonize)
{
daemonize();
}
initServer();
if (g_Server.daemonize)
{
createPidFile();
}
g_ListenThread = new ListenThread();
if (NULL == g_ListenThread)
{
myepollLog(MY_WARNING, "new ListenThread() err");
return -1;
}
if (-1 == g_ListenThread->Bind())
{
kill(getpid(), SIGTERM);
}
myepollLog(MY_NOTICE, "Epoll server is running :) ... (press CTRL-C to stop)");
poll(NULL, 0, -1);
return 0;
}
int main (int argc, char **argv) {
struct timeval tv;
// 初始化相关环境变量与库
#ifdef INIT_SETPROCTITLE_REPLACEMENT
spt_init(argc, argv);
#endif
// 设置当前的`locale`命令里的内容
setlocale(LC_COLLATE, "");
// 自动分配线程安全
zmalloc_enable_thread_safeness();
// 设置自动分配函数句柄(out of memory)
zmalloc_set_oom_handler(redisOutOfMemoryHandler);
// 时间异或pid生成随机数种子
srand(time(NULL) ^ getpid());
gettimeofday(&tv, NULL);
// 设置字典hash值种子
dictSetHashFunctionSeed(tv.tv_sec ^ tv.tv_usec ^ getpid());
// 定点模式检测
server.sentinel_mode = checkForSentinelMode(argc, argv);
// 初始化服务配置
initServerConfig();
// 定点模式处理
if (server.sentinel_mode) {
printf("deal with sentinel mode\n");
}
if (argc >= 2) {
int j = 1;
// init empty string
sds options = sdsempty();
char *configfile = NULL;
if (strcmp(argv[1], "-v") == 0 ||
strcmp(argv[1], "--version") == 0) version();
if (strcmp(argv[1], "--help") == 0 ||
strcmp(argv[1], "-h") == 0) usage();
if (strcmp(argv[1], "--test-memory") == 0) {
if (argc == 3) {
// 内存测试还未完全写完
memtest(atoi(argv[2]), 50);
exit(0);
} else {
fprintf(stderr, "Please specify the amount of memory to test in megabytes.\n");
fprintf(stderr, "Example: ./redis-server --test-memory 4096\n\n");
exit(1);
}
}
/*
* 第一个参数为'--'开头, j始终为1
* 第一个参数不为'--'开头, j始终为2
*
*/
// j为1,第1个参数不是'--'开头的是配置文件
if (argv[j][0] != '-' || argv[j][1] != '-') {
configfile = argv[j++];
}
// 配置文件参数后还有内容
while (j != argc) {
// 所有参数有包括'--'开头的参数
if (argv[j][0] == '-' && argv[j][1] == '-') {
if (sdslen(options)) options = sdscat(options, "\n");
options = sdscat(options, " ");
} else {
// append new string, 转义特殊字符, return new pointer
options = sdscatrepr(options, argv[j], strlen(argv[j]));
options = sdscat(options, " ");
}
j++;
}
if (server.sentinel_mode && configfile && *configfile == '-') {
printf("need redis log\n");
exit(1);
}
if (configfile) {
server.configfile = getAbsolutePath(configfile);
}
resetServerSaveParams();
loadServerConfig(configfile, options);
sdsfree(options);
} else {
printf("warning: no config file specified\n");
}
// 后台模式
if (server.daemonize) {
daemonize();
}
// init server
initServer();
printf("redis done\n");
return 0;
}
