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// Copyright (c) Athena Dev Teams - Licensed under GNU GPL
// For more information, see LICENCE in the main folder
#include "../common/plugin.h"
#ifdef WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#else
#include <sys/types.h>
#include <unistd.h>
#include <poll.h>
#include <string.h>
#endif
#include <stdio.h> // stdin, fgets
#ifdef WIN32
#define THREAD_FUNC_START(name) DWORD WINAPI thread_ ## name(LPVOID lpParameter) { (void)lpParameter; {
#define THREAD_FUNC_END(name) } ExitThread(0); return 0; }
#define THREAD_EXECUTE(name,errvar) \
do{ \
int _fail_ = (CreateThread(NULL,0,thread_ ## name,NULL,0,NULL) == NULL); \
if( errvar ) \
*errvar = _fail_; \
}while(0)
#define sleep Sleep
#define pipe_create(p) (CreatePipe(&p[PIPE_READ], &p[PIPE_WRITE], NULL, 1) == 0)
#define pipe_read(p,data,len) do{ DWORD _b_; ReadFile(p[PIPE_READ], data, len, &_b_, NULL); }while(0)
#define pipe_write(p,data,len) do{ DWORD _b_; WriteFile(p[PIPE_WRITE], data, len, &_b_, NULL); }while(0)
#define pipe_close(p,side) CloseHandle(p[side])
typedef HANDLE PIPE[2];
#else
#define THREAD_FUNC_START(name) void thread_ ## name(void) {
#define THREAD_FUNC_END(name) _exit(0); }
#define THREAD_EXECUTE(name,errvar) \
do{ \
int pid = fork(); \
if( pid == 0 ){ \
thread_ ## name(); \
} \
if( errvar ) \
*errvar = (pid == -1); \
}while(0)
#define pipe_create(p) pipe(p)
#define pipe_read(p,data,len) read(p[PIPE_READ], data, len)
#define pipe_write(p,data,len) write(p[PIPE_WRITE], data, len)
#define pipe_close(p,side) close(p[side])
typedef int PIPE[2];
#endif
#define PIPE_READ 0
#define PIPE_WRITE 1
#define INPUT_BUFSIZE 4096
////// Plugin information ////////
//
PLUGIN_INFO = {
"Console", // Name
PLUGIN_ALL, // Target servers
"0.1", // Version
"1.03", // Minimum plugin engine version to run
"Console parser" // Short description
};
////// Plugin event list //////////
// Format: <plugin function>,<event name>
// All registered functions to a event gets executed
// (In descending order) when its called.
// Multiple functions can be called by multiple events too,
// So it's up to your creativity ^^
//
PLUGIN_EVENTS_TABLE = {
{ "console_init", EVENT_PLUGIN_INIT },
{ "console_final", EVENT_PLUGIN_FINAL },
{ "console_start", EVENT_ATHENA_INIT },
{ "console_stop", EVENT_ATHENA_FINAL },
{ NULL, NULL }
};
///// Variables /////
typedef int TimerFunc(int tid, unsigned int tick, int id, int data);
int (*add_timer_func_list)(TimerFunc func, char* name);
int (*add_timer_interval)(unsigned int tick, TimerFunc* func, int id, int data, int interval);
int (*delete_timer)(int tid, TimerFunc* func);
unsigned int (*gettick)(void);
int (*parse_console)(char* buf);
int tid;
PIPE data;
PIPE next;
//////// Plugin functions //////////
static int pipe_hasdata(PIPE p)
{
#ifdef WIN32
return ( WaitForSingleObject(p[PIPE_READ],0) == WAIT_OBJECT_0 );
#else
struct pollfd fds;
fds.fd = p[PIPE_READ];
fds.events = POLLRDNORM;
return ( poll(&fds,1,0) > 0 );
#endif
}
int console_parsebuf(int tid, unsigned int tick, int id, int data_)
{
//printf("console_parsebuf\n");
//delete_timer(tid, console_parsebuf);
if( pipe_hasdata(data) ){
char buf[INPUT_BUFSIZE];
size_t len;
//printf("console_parsebuf pipe_hasdata\n");
// receive string
pipe_read(data, &len, sizeof(size_t));
pipe_read(data, buf, len);
buf[len] = '\0';
//printf("console_parsebuf buf='%s'\n", buf);
// parse it
parse_console(buf);
//printf("console_parsebuf writing next\n");
// send next state
buf[0] = 'R';
pipe_write(next, buf, 1);
//printf("console_parsebuf done with next\n");
}
return 0;
}
THREAD_FUNC_START(readinput)
char buf[INPUT_BUFSIZE];
char state = 'R';
size_t len;
//printf("thread_readinput START\n");
pipe_close(data, PIPE_READ);
pipe_close(next, PIPE_WRITE);
buf[sizeof(buf)-1] = '\0';
for( ; state != 'X'; )
{
//printf("thread_readinput getting data\n");
buf[0] = '\0';
fgets(buf, sizeof(buf)-1, stdin);
len = strlen(buf);
//printf("thread_readinput buf='%s'\n", buf);
// send string
pipe_write(data, &len, sizeof(size_t));
pipe_write(data, buf, len);
// receive next state
pipe_read(next, &state, sizeof(char));
}
pipe_close(data, PIPE_WRITE);
pipe_close(next, PIPE_READ);
//printf("thread_readinput STOP (%d)\n", state);
THREAD_FUNC_END(readinput)
void console_start(void)
{
int error = 0;
//printf("console_start\n");
if( pipe_create(data) ){
//printf("console_start data pipe failed\n");
return;
}
if( pipe_create(next) ){
//printf("console_start next pipe failed\n");
pipe_close(data, PIPE_READ);
pipe_close(data, PIPE_WRITE);
return;
}
THREAD_EXECUTE(readinput, &error);
if( error ){
//printf("console_start thread start error\n");
pipe_close(data, PIPE_READ);
pipe_close(next, PIPE_WRITE);
} else {
//printf("console_start thread started\n");
//parse_console("help");
add_timer_func_list(console_parsebuf,"console_parsebuf");
tid = add_timer_interval(gettick(),console_parsebuf,0,0,1); // run once every cycle
}
pipe_close(data, PIPE_WRITE);
pipe_close(next, PIPE_READ);
}
void console_stop(void)
{
char c = 'X';
//printf("console_stop\n");
if( tid != -1 ){
delete_timer(tid, console_parsebuf);
pipe_write(next, &c, sizeof(char));
}
return;
}
void console_init(void)
{
//printf("console_init\n");
// import symbols
IMPORT_SYMBOL(add_timer_interval, SYMBOL_ADD_TIMER_INTERVAL);
IMPORT_SYMBOL(add_timer_func_list, SYMBOL_ADD_TIMER_FUNC_LIST);
IMPORT_SYMBOL(delete_timer, SYMBOL_DELETE_TIMER);
IMPORT_SYMBOL(gettick, SYMBOL_GETTICK);
IMPORT_SYMBOL(parse_console, SYMBOL_PARSE_CONSOLE);
//printf("%d -> add_timer_func_list=0x%x\n", SYMBOL_ADD_TIMER_FUNC_LIST, (int)add_timer_func_list);
//printf("%d -> add_timer_interval=0x%x\n", SYMBOL_ADD_TIMER_INTERVAL, (int)add_timer_interval);
//printf("%d -> delete_timer=0x%x\n", SYMBOL_DELETE_TIMER, (int)delete_timer);
//printf("%d -> gettick=0x%x\n", SYMBOL_GETTICK, (int)gettick);
//printf("%d -> parse_console=0x%x\n", SYMBOL_PARSE_CONSOLE, (int)parse_console);
return;
}
void console_final(void)
{
//printf("console_final\n");
return;
}
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