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luanet.c
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luanet.c
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/*
Copyright (C) <2012> <huangweilook@21cn.com>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include "core/netservice.h"
static uint16_t recv_sigint = 0;
struct luaNetService
{
int m_iKeyIndex;
lua_State *L;
void (*call)(lua_State *L,
int index,
const char *name,
struct connection *c,
char *rpk);
struct netservice *net;
};
static void callObjFunction(lua_State *L,
int index,
const char *name,
struct connection *c,
char *rpk)
{
lua_rawgeti(L,LUA_REGISTRYINDEX,index);
lua_pushstring(L,name);
lua_gettable(L,-2);
if(lua_isnil(L,-1))
{
printf("%s is nil\n",name);
return;
}
lua_rawgeti(L,LUA_REGISTRYINDEX,index);
if(!c)return;
lua_pushlightuserdata(L,c);
int argc = 2;
if(rpk){
lua_pushstring(L,rpk);
++argc;
}
if(lua_pcall(L,argc,0,0) != 0)
{
const char *error = lua_tostring(L,-1);
printf("%s,%s\n",error,name);
lua_pop(L,1);
}
}
static int luaGetSysTick(lua_State *L){
lua_pushnumber(L,GetSystemMs());
return 1;
}
static void sig_int(int sig){
recv_sigint = 1;
}
static int netservice_new(lua_State *L)
{
struct netservice *service = new_service();
if(!service)
lua_pushnil(L);
else
{
struct luaNetService *lnet = calloc(1,sizeof(*lnet));
lnet->m_iKeyIndex = luaL_ref(L,LUA_REGISTRYINDEX);
lnet->net = service;
lnet->call = callObjFunction;
lnet->L = L;
lua_pushlightuserdata(L,lnet);
}
return 1;
}
static int netservice_delete(lua_State *L)
{
struct luaNetService *lnet = (struct luaNetService *)lua_touserdata(L,1);
if(lnet){
destroy_service(&lnet->net);
if(lnet->m_iKeyIndex > 0){
luaL_unref(L,LUA_REGISTRYINDEX,lnet->m_iKeyIndex);
}
free(lnet);
}
return 0;
}
static int8_t lua_process_packet(struct connection *c,rpacket_t rpk)
{
struct luaNetService *service = (struct luaNetService *)c->usr_ptr;
uint32_t len = 0;
const void *ptr = rpk_read_binary(rpk,&len);
if(len < 4096)
{
char buf[4096];
memcpy(buf,ptr,len);
buf[len] = '\0';
service->call(service->L,service->m_iKeyIndex,"process_packet",c,buf);
}
else
{
char *buf = calloc(len,sizeof(*buf));
memcpy(buf,ptr,len);
buf[len] = '\0';
service->call(service->L,service->m_iKeyIndex,"process_packet",c,buf);
free(buf);
}
return 1;
}
static void lua_recv_timeout(struct connection *c)
{
struct luaNetService *service = (struct luaNetService *)c->usr_ptr;
service->call(service->L,service->m_iKeyIndex,"recv_timeout",c,NULL);
}
static void lua_send_timeout(struct connection *c)
{
struct luaNetService *service = (struct luaNetService *)c->usr_ptr;
service->call(service->L,service->m_iKeyIndex,"send_timeout",c,NULL);
}
static void lua_on_disconnect(struct connection *c,uint32_t reason)
{
struct luaNetService *service = (struct luaNetService *)c->usr_ptr;
service->call(service->L,service->m_iKeyIndex,"on_disconnect",c,NULL);
}
static void lua_on_accept(SOCK s,struct sockaddr_in *addr_remote,void*ud)
{
struct luaNetService *service = (struct luaNetService *)ud;
struct connection *c = new_conn(s,1);
c->usr_ptr = (void*)service;
service->net->bind(service->net,c,lua_process_packet,lua_on_disconnect
,5000,lua_recv_timeout,5000,lua_send_timeout);
service->call(service->L,service->m_iKeyIndex,"on_accept",c,NULL);
}
//void on_connect(SOCK s,struct sockaddr_in *addr_remote, void *ud,int err)
static void lua_on_connect(SOCK s,struct sockaddr_in *addr_remote, void *ud,int err)//(SOCK s,connect_request *creq,int err)
{
if(s != INVALID_SOCK){
struct luaNetService *service = (struct luaNetService *)ud;
struct connection *c = new_conn(s,1);
c->usr_ptr = (void*)service;
service->net->bind(service->net,c,lua_process_packet,lua_on_disconnect
,5000,lua_recv_timeout,5000,lua_send_timeout);
service->call(service->L,service->m_iKeyIndex,"on_connect",c,NULL);
}
//free(creq);
}
static int lua_active_close(lua_State *L)
{
struct connection *c = (struct connection *)lua_touserdata(L,1);
active_close(c);
return 0;
}
wpacket_t luaGetluaWPacket(lua_State *L,int idx)
{
wpacket_t wpk = wpk_create(128,1);
wpk_write_string(wpk,lua_tostring(L,idx));
return wpk;
}
static int luaSendPacket(lua_State *L)
{
struct connection *c = (struct connection *)lua_touserdata(L,1);
wpacket_t w = luaGetluaWPacket(L,2);
if(w){
lua_pushnumber(L,send_packet(c,w));
}
else
lua_pushnumber(L,-1);
return 1;
}
static int luaConnect(lua_State *L)
{
struct luaNetService *engine = (struct luaNetService *)lua_touserdata(L,1);
const char *ip = lua_tostring(L,2);
uint16_t port = (uint16_t)lua_tonumber(L,3);
uint32_t timeout = lua_tonumber(L,4);
//connect_request *creq = calloc(1,sizeof(*creq));
//creq->port = port;
//strcpy(creq->ip,ip);
//creq->usr_ptr = (void*)engine;
engine->net->connect(engine->net,ip,port,(void*)engine,lua_on_connect,timeout);
return 0;
}
static int luaListen(lua_State *L)
{
struct luaNetService *engine = (struct luaNetService *)lua_touserdata(L,1);
const char *ip = lua_tostring(L,2);
uint16_t port = (uint16_t)lua_tonumber(L,3);
if(INVALID_SOCK != engine->net->listen(engine->net,ip,port,(void*)engine,lua_on_accept))
printf("listen ok\n");
return 0;
}
static int luaEngineRun(lua_State *L)
{
struct luaNetService *engine = (struct luaNetService *)lua_touserdata(L,1);
uint32_t ms = lua_tonumber(L,2);
if(recv_sigint)
lua_pushnumber(L,-1);
else
lua_pushnumber(L,engine->net->loop(engine->net,ms));
return 1;
}
static int luaReleaseConnection(lua_State *L)
{
struct connection *c = (struct connection *)lua_touserdata(L,1);
if(c)release_conn(c);
return 0;
}
void RegisterNet(lua_State *L){
lua_register(L,"Listen",&luaListen);
lua_register(L,"Connect",&luaConnect);
lua_register(L,"netservice_new",&netservice_new);
lua_register(L,"netservice_delete",&netservice_delete);
lua_register(L,"active_close",&lua_active_close);
lua_register(L,"GetSysTick",&luaGetSysTick);
lua_register(L,"EngineRun",&luaEngineRun);
lua_register(L,"SendPacket",&luaSendPacket);
lua_register(L,"ReleaseConnection",&luaReleaseConnection);
InitNetSystem();
signal(SIGINT,sig_int);
signal(SIGPIPE,SIG_IGN);
printf("load c function finish\n");
}