// return type
static int
ctrl_cmd(struct socket_server *ss, struct socket_message *result) {
int fd = ss->recvctrl_fd;
// the length of message is one byte, so 256+8 buffer size is enough.
uint8_t buffer[256];
uint8_t header[2];
block_readpipe(fd, header, sizeof(header));
int type = header[0];
int len = header[1];
block_readpipe(fd, buffer, len);
// ctrl command only exist in local fd, so don't worry about endian.
switch (type) {
case 'S':
return start_socket(ss,(struct request_start *)buffer, result);
case 'B':
return bind_socket(ss,(struct request_bind *)buffer, result);
case 'L':
return listen_socket(ss,(struct request_listen *)buffer, result);
case 'K':
return close_socket(ss,(struct request_close *)buffer, result);
case 'O':
return open_socket(ss, (struct request_open *)buffer, result);
case 'X':
result->opaque = 0;
result->id = 0;
result->ud = 0;
result->data = NULL;
return SOCKET_EXIT;
case 'D':
return send_socket(ss, (struct request_send *)buffer, result, PRIORITY_HIGH, NULL);
case 'P':
return send_socket(ss, (struct request_send *)buffer, result, PRIORITY_LOW, NULL);
case 'A': {
struct request_send_udp * rsu = (struct request_send_udp *)buffer;
return send_socket(ss, &rsu->send, result, PRIORITY_HIGH, rsu->address);
}
case 'C':
return set_udp_address(ss, (struct request_setudp *)buffer, result);
case 'T':
setopt_socket(ss, (struct request_setopt *)buffer);
return -1;
case 'U':
add_udp_socket(ss, (struct request_udp *)buffer);
return -1;
default:
fprintf(stderr, "socket-server: Unknown ctrl %c.\n",type);
return -1;
};
return -1;
}
int socket_server::ctrl_cmd(struct socket_message * result)
{
int fd = recvctrl_fd;
uint8_t buffer[256];
uint8_t header[2];
block_readpipe(fd, (void *)header, sizeof(header));
int type = header[0];
int len = header[1];
block_readpipe(fd, buffer, len);
switch (type) {
case 'S':
return start_socket((struct request_start *)buffer, result);
case 'B':
return bind_socket((struct request_bind *)buffer, result);
case 'L':
return listen_socket((struct request_listen *)buffer, result);
case 'K':
return close_socket((struct request_close *)buffer, result);
case 'O':
return open_socket((struct request_open *)buffer, result);;
case 'X':
result->opaque = 0;
result->ud = 0;
result->id = 0;
result->data = nullptr;
return SOCKET_EXIT;
case 'D':
printf("*****************send data*******************\n");
return send_socket((struct request_send *)buffer, result, PRIORITY_HIGH);
case 'P':
break;
case 'A':
break;
case 'C':
break;
case 'T':
setopt_socket((struct request_setopt *)buffer);
return -1;
case 'U':
break;
default:
fprintf(stderr, "socket-server: unknown ctrl %c.\n", type);
break;
}
return -1;
}
// return type
// 执行管道指令，写入socket_message
static int
ctrl_cmd(struct socket_server *ss, struct socket_message *result) {
int fd = ss->recvctrl_fd;
// the length of message is one byte, so 256+8 buffer size is enough.
// 读管道数据，相反的数据写入管道逻辑见send_request方法
// len长度1个字节，所以缓冲区的长度为256足够
uint8_t buffer[256];
uint8_t header[2];
// 先读2字节的头
block_readpipe(fd, header, sizeof(header));
int type = header[0];
int len = header[1];
// 再读剩余数据部分
block_readpipe(fd, buffer, len);
// ctrl command only exist in local fd, so don't worry about endian.
switch (type) {
case 'S':
// PACCEPT -> CONNECTED
// PLISTEN -> LISTEN
// 把套接字加入事件循环
return start_socket(ss,(struct request_start *)buffer, result);
case 'B':
// 绑定套接字
return bind_socket(ss,(struct request_bind *)buffer, result);
case 'L':
// 监听套接字
return listen_socket(ss,(struct request_listen *)buffer, result);
case 'K':
// 关闭套接字
return close_socket(ss,(struct request_close *)buffer, result);
case 'O':
// 打开套接字
return open_socket(ss, (struct request_open *)buffer, result);
case 'X':
// 退出套接字
result->opaque = 0;
result->id = 0;
result->ud = 0;
result->data = NULL;
return SOCKET_EXIT;
case 'D':
// 发送高优先级数据
return send_socket(ss, (struct request_send *)buffer, result, PRIORITY_HIGH, NULL);
case 'P':
// 发送低优先级数据
return send_socket(ss, (struct request_send *)buffer, result, PRIORITY_LOW, NULL);
case 'A': {
struct request_send_udp * rsu = (struct request_send_udp *)buffer;
return send_socket(ss, &rsu->send, result, PRIORITY_HIGH, rsu->address);
}
case 'C':
return set_udp_address(ss, (struct request_setudp *)buffer, result);
case 'T':
// 设置套接字
setopt_socket(ss, (struct request_setopt *)buffer);
return -1;
case 'U':
add_udp_socket(ss, (struct request_udp *)buffer);
return -1;
default:
fprintf(stderr, "socket-server: Unknown ctrl %c.\n",type);
return -1;
};
return -1;
}
