void on_read(int sock,short event,void *arg)
{
struct event* write_ev;
int size;
sock_ev* ev = (sock_ev*)arg;
do {
ev->buffer= (char*)malloc(MEM_SIZE);
if ( NULL == ev->buffer ) {
debug_log("malloc failed",errno);
release_sock_event(ev);
close(sock);
break;
}
memset(ev->buffer,0,MEM_SIZE);
size = recv(sock,ev->buffer,MEM_SIZE,0);
if ( 0 == size ) {
std::cout<<"client dropped"<<std::endl;
release_sock_event(ev);
close(sock);
break;
}
event_set(ev->write_ev,sock,EV_WRITE,on_write,ev->buffer);
event_base_set(base,ev->write_ev);
event_add(ev->write_ev,NULL);
} while(0);
}
void do_tcp_read(int sock, short event, void* arg)
{
int size;
struct sock_ev* ev = (struct sock_ev*)arg;
size = recv(sock, ev->buffer+ev->offset, MAX_PACKET_LEN-ev->offset, 0);
if (size == 0) {
release_sock_event(ev);
close(sock);
return;
}
ev->offset += size;
if((ev->offset>7)&& ev->read_data_flag==0)
{
//读取长度
ev->read_data_flag = 1;
sscanf(ev->buffer, "%d\n", &ev->data_len);
ev->data_len=ev->data_len-1;
}
else if((ev->offset>=(ev->data_len+7))&&(ev->read_data_flag==1))
{
rcvbuf_t* rcvbuf = (rcvbuf_t*)MALLOC(rcvbuf_t, 1);
rcvbuf->buffer = ev->buffer;
rcvbuf->data_len = ev->data_len;
rcvbuf->offset = ev->offset;
ev->buffer = (char*)malloc(MAX_PACKET_LEN);
//缓冲区中遗留的部分
ev->offset = rcvbuf->offset-rcvbuf->data_len-7;
memcpy(ev->buffer,rcvbuf->buffer+rcvbuf->data_len+7,ev->offset);
ev->read_data_flag = 0;
//解压缩
pthread_t pt_uzrecv;
pthread_create(&pt_uzrecv, NULL, uzrecv, rcvbuf);
}
else if(ev->offset>MAX_PACKET_LEN)
{
release_sock_event(ev);
close(sock);
return;
}
}
void on_read(int sock,short event,void* arg){
struct sock_ev* ev =(struct sock_ev*)arg;
char buf[1024] = {0};
int size = recv(sock,buf,1024,0);
if(size == 0){
release_sock_event(ev);
printf("read error\n");
return ;
}
printf("recv:%s\n",buf);
}
void on_read(int sock, short event, void* arg)
{
struct event* write_ev;
int size;
struct sock_ev* ev = (struct sock_ev*)arg;
ev->buffer = (char*)malloc(MEM_SIZE);
bzero(ev->buffer, MEM_SIZE);
size = recv(sock, ev->buffer, MEM_SIZE, 0);
printf("receive data:%s, size:%d\n", ev->buffer, size);
if (size == 0) {
release_sock_event(ev);
close(sock);
return;
}
event_set(ev->write_ev, sock, EV_WRITE, on_write, ev->buffer);
event_base_set(base, ev->write_ev);
event_add(ev->write_ev, NULL);
}
void on_read(int sock, short event, void* arg)
{
struct event* write_ev;
int size;
struct sock_ev* ev = (struct sock_ev*)arg;
ev->buffer = (char*)malloc(MEM_SIZE);
bzero(ev->buffer, MEM_SIZE);
// 5. recv：
size = recv(sock, ev->buffer, MEM_SIZE, 0);
printf("receive data:%s, size:%d\n", ev->buffer, size);
if (size == 0)
{
// 返回0标志对方已经关闭了连接，因此这个时候就没必要继续监听该套接口上的事件，
// 由于EV_READ在on_accept函数里是用EV_PERSIST参数注册的，因此要显示的调用event_del函数取消对该事件的监听。
release_sock_event(ev);
close(sock);
return;
}
event_set(ev->write_ev, sock, EV_WRITE, on_write, ev->buffer);
event_base_set(base, ev->write_ev);
event_add(ev->write_ev, NULL);
}
void gmsvproto_sv_callback(int sock, short event, void* arg)
{
struct event* write_ev;
int size;
struct sock_ev* ev = (struct sock_ev*)arg;
//初始化通信NetPacket以及内部buffer
//这部分内容在如下函数中释放
//函数gmsvproto_sv.c:on_write()最后部分
ev->packet = (struct NetPacket*)malloc(sizeof(struct NetPacket));
if (ev->packet == NULL)
{
char string[256];
sprintf(string, "[ERROR]gmsvproto_sv.c:gmsvproto_sv_callback() malloc ev->packet failed!\n");
LogWrite(LT_SYSTEM, string);
printf(string);
}
ev->packet->m_buffer = (unsigned char*)malloc(DEFAULT_SIZE);
if (ev->packet->m_buffer == NULL)
{
char string[256];
sprintf(string, "[ERROR]gmsvproto_sv.c:gmsvproto_sv_callback() malloc ev->packet->m_buffer failed!\n");
LogWrite(LT_SYSTEM, string);
printf(string);
}
bzero(ev->packet->m_buffer, DEFAULT_SIZE);
ev->packet->opcode = 0;
ev->packet->m_readPos = 0;
ev->packet->m_writePos = 0;
ev->packet->m_buffersize = DEFAULT_SIZE;
//接受服务器数据
size = recv(sock, ev->packet->m_buffer, DEFAULT_SIZE, 0);
if (size == -1)
{
if (errno == 104)
{
//暂时忽略104 Connection reset by peer
//因为目前客户端断开连接会收到这个消息
//不处理会导致服务器崩溃
return;
}
}
if (size == 0)
{
//客户端断开连接
//这里需要处理断开连接的处理
closePlayerSocketBySockid(sock);
}
printf("sock = %d, receive data:%s, size:%d\n",sock, ev->packet->m_buffer, size);
//获取数据包的长度
memcpy(&(ev->packet->m_writePos), ev->packet->m_buffer + sizeof(uint16_t), sizeof(uint16_t));
if (size == 0) {
release_sock_event(ev);
close(sock);
printf("sock = %d, closed!\n", sock);
return;
}
event_set(ev->write_ev, sock, EV_WRITE, on_write, ev);
event_base_set(base, ev->write_ev);
event_add(ev->write_ev, NULL);
}
