root/src/plugins/gui.c @ 25

// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "../common/plugin.h"
//Needed for strcmpi
#include "../common/mmo.h"

// "I'm Alive" and "Flush stdout" Originally by Mugendai
// Ported to plugin by Celest

PLUGIN_INFO = {
        "AthenaGUI",
        PLUGIN_CORE,
        "1.0",
        PLUGIN_VERSION,
        "Core plugin for Athena GUI functions"
};

PLUGIN_EVENTS_TABLE = {
        { "gui_init", "Plugin_Init" },
        { NULL, NULL }
};

typedef int (*TimerFunc)(int tid, unsigned int tick, int id, intptr data);
unsigned int (*gettick)();
int (*add_timer_func_list)(TimerFunc func, char* name);
int (*add_timer_interval)(unsigned int tick, TimerFunc func, int id, intptr data, int interval);

//-----------------------------------------------------
//I'm Alive Alert
//Used to output 'I'm Alive' every few seconds
//Intended to let frontends know if the app froze
//-----------------------------------------------------
int imalive_timer(int tid, unsigned int tick, int id, intptr data)
{
        printf("I'm Alive\n");
        return 0;
}

//-----------------------------------------------------
//Flush stdout
//stdout buffer needs flushed to be seen in GUI
//-----------------------------------------------------
int flush_timer(int tid, unsigned int tick, int id, intptr data)
{
        fflush(stdout);
        return 0;
}

void gui_init ()
{
        char line[1024], w1[1024], w2[1024];
        int flush_on = 0;
        int flush_time = 100;
        int imalive_on = 0;
        int imalive_time = 30;
        char **argv;
        int *argc;
        FILE *fp;
        int i;

        IMPORT_SYMBOL(argc, 2);
        IMPORT_SYMBOL(argv, 3);
        IMPORT_SYMBOL(gettick, 5);
        IMPORT_SYMBOL(add_timer_interval, 8);
        IMPORT_SYMBOL(add_timer_func_list, 9);

        do {
                fp = fopen("plugins/gui.conf","r");
                if (fp == NULL)
                        break;

                while(fgets(line, sizeof(line), fp))
                {
                        if (line[0] == '/' && line[1] == '/')
                                continue;
                        if (sscanf(line, "%[^:]: %[^\r\n]", w1, w2) == 2) {
                                if(strcmpi(w1,"imalive_on")==0){
                                        imalive_on = atoi(w2);
                                } else if(strcmpi(w1,"imalive_time")==0){
                                        imalive_time = atoi(w2);
                                } else if(strcmpi(w1,"flush_on")==0){
                                        flush_on = atoi(w2);
                                } else if(strcmpi(w1,"flush_time")==0){
                                        flush_time = atoi(w2);
                                }
                        }
                }
                fclose(fp);
        } while (0);

        for (i = 1; i < *argc ; i++)
                if (strcmp(argv[i], "--gui") == 0)
                        flush_on = imalive_on = 1;

        if (flush_on) {
                add_timer_func_list(flush_timer, "flush_timer");
                add_timer_interval(gettick()+1000,flush_timer,0,0,flush_time);
        }
        if (imalive_on) {
                add_timer_func_list(imalive_timer, "imalive_timer");
                add_timer_interval(gettick()+10, imalive_timer,0,0,imalive_time*1000);
        }
}