Glib解析命令行参数

#include <stdio.h>

#include <glib.h>

static gint max_user = 20;

static gint time_out = 2;

static gint listen_port = 8852;

static gchar listen_ip[32] = {"0.0.0.0"};

static gboolean debug = FALSE;

static GOptionEntry entries[] =

{

{

"listen",               /*参数长名*/

'l',                    /*短参数名*/

0,                      /*falg*/

G_OPTION_ARG_STRING,    /*参数类型*/

listen_ip,              /*参数变量*/

"Set lisetn ip",        /*选项说明*/

"listen_ip"             /*参数选项占位符说明*/

},

{"port",'p',0,G_OPTION_ARG_INT,

&listen_port,"listen port","port"},

{"max_user",'m',0,G_OPTION_ARG_INT,

&max_user,"Define the max user for server","M"},

{"time_out",'t',0,G_OPTION_ARG_INT,

&time_out,"Stop connection when idel time over N","N"},

{"debug",'d',0,G_OPTION_ARG_NONE,

&debug,"Debug mode",NULL},

};

int main(int argc ,char **argv)

{

GError *error = NULL;

GOptionContext *context = NULL;

context = g_option_context_new("-test tree model performance");

g_option_context_add_main_entries(context,entries,NULL);

// 扩展的选项

//context 自带help选项,支持 --help,-h,-?,--help-all, 可以通过设置去掉

//g_option_context_set_help_enabled(context,FALSE);

//忽略错误的选项,有错误的选项默认会报错，忽略掉就不报错

//g_option_context_set_ignore_unknown_options(context,TRUE);

// help 里面打上一段文字说明，可以搞点版本号，版权说明什么的

g_option_context_set_summary(context," Glib Test by Andy\n mhpmii@126.com\n");

if(!g_option_context_parse(context,&argc,&argv,&error)) {

g_print("option parseing failed : %s\n",error->message);

return -1;

}

g_option_context_free(context);

g_print("The Server Run at %s:%d\nmax uer :%d ,time out : %d  debug[%s]\n",

listen_ip,

listen_port,

max_user,

time_out,

debug?"TRUE":"FALSE");

return 0;

}

/***************************************/

// 其他说明

/***************************************/

//[1] flag 一般不需设置，填0

/*

typedef enum

{

G_OPTION_FLAG_HIDDEN		= 1 << 0,   //设置选项不在--help中显示

G_OPTION_FLAG_IN_MAIN		= 1 << 1,

G_OPTION_FLAG_REVERSE		= 1 << 2,

G_OPTION_FLAG_NO_ARG		= 1 << 3,

G_OPTION_FLAG_FILENAME	= 1 << 4,

G_OPTION_FLAG_OPTIONAL_ARG    = 1 << 5,

G_OPTION_FLAG_NOALIAS	        = 1 << 6

} GOptionFlags;

*/

//[2]参数类型的对应关系

/*

G_OPTION_ARG_NONE           gboolean

G_OPTION_ARG_STRING         gchar*

G_OPTION_ARG_INT            gint

G_OPTION_ARG_FILENAME       gchar*

G_OPTION_ARG_STRING_ARRAY   gchar**

G_OPTION_ARG_FILENAME_ARRAY gchar**

*/