mirror of
https://gitee.com/acl-dev/acl.git
synced 2024-12-15 09:20:52 +08:00
189 lines
3.9 KiB
C++
189 lines
3.9 KiB
C++
#include <iostream>
|
||
#include <assert.h>
|
||
#include "lib_acl.h"
|
||
#include "acl_cpp/stream/aio_handle.hpp"
|
||
#include "acl_cpp/stream/aio_istream.hpp"
|
||
#include "acl_cpp/stream/aio_listen_stream.hpp"
|
||
#include "acl_cpp/stream/aio_socket_stream.hpp"
|
||
|
||
using namespace acl;
|
||
|
||
/**
|
||
* 异步客户端流的回调类的子类
|
||
*/
|
||
class io_callback : public aio_callback
|
||
{
|
||
public:
|
||
io_callback(aio_socket_stream* client)
|
||
: client_(client)
|
||
{
|
||
}
|
||
|
||
~io_callback()
|
||
{
|
||
std::cout << "delete io_callback now ..." << std::endl;
|
||
}
|
||
|
||
/**
|
||
* 实现父类中的虚函数,客户端流的读成功回调过程
|
||
* @param data {char*} 读到的数据地址
|
||
* @param len {int} 读到的数据长度
|
||
* @return {bool} 返回 true 表示继续,否则希望关闭该异步流
|
||
*/
|
||
bool read_callback(char* data, int len)
|
||
{
|
||
string buf;
|
||
buf.copy(data, len);
|
||
|
||
// 向远程客户端回写收到的数据
|
||
|
||
buf += "\r\n";
|
||
client_->write(buf.c_str(), buf.length());
|
||
|
||
//client_->read(6); // 如果每次读数据长度相同,则不必显式调用 read 过程
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* 实现父类中的虚函数,客户端流的写成功回调过程
|
||
* @return {bool} 返回 true 表示继续,否则希望关闭该异步流
|
||
*/
|
||
bool write_callback()
|
||
{
|
||
return true;
|
||
}
|
||
|
||
/**
|
||
* 实现父类中的虚函数,客户端流的超时回调过程
|
||
*/
|
||
void close_callback()
|
||
{
|
||
// 必须在此处删除该动态分配的回调类对象以防止内存泄露
|
||
delete this;
|
||
}
|
||
|
||
/**
|
||
* 实现父类中的虚函数,客户端流的超时回调过程
|
||
* @return {bool} 返回 true 表示继续,否则希望关闭该异步流
|
||
*/
|
||
bool timeout_callback()
|
||
{
|
||
std::cout << "Timeout ..." << std::endl;
|
||
return true;
|
||
}
|
||
|
||
private:
|
||
aio_socket_stream* client_;
|
||
};
|
||
|
||
/**
|
||
* 异步监听流的回调类的子类
|
||
*/
|
||
class io_accept_callback : public aio_accept_callback
|
||
{
|
||
public:
|
||
io_accept_callback() {}
|
||
~io_accept_callback()
|
||
{
|
||
printf(">>io_accept_callback over!\n");
|
||
}
|
||
|
||
/**
|
||
* 基类虚函数,当有新连接到达后调用此回调过程
|
||
* @param client {aio_socket_stream*} 异步客户端流
|
||
* @return {bool} 返回 true 以通知监听流继续监听
|
||
*/
|
||
bool accept_callback(aio_socket_stream* client)
|
||
{
|
||
// 创建异步客户端流的回调对象并与该异步流进行绑定
|
||
io_callback* callback = new io_callback(client);
|
||
|
||
// 注册异步流的读回调过程
|
||
client->add_read_callback(callback);
|
||
|
||
// 注册异步流的写回调过程
|
||
client->add_write_callback(callback);
|
||
|
||
// 注册异步流的关闭回调过程
|
||
client->add_close_callback(callback);
|
||
|
||
// 注册异步流的超时回调过程
|
||
client->add_timeout_callback(callback);
|
||
|
||
// 从异步流读数据
|
||
client->read(6);
|
||
return true;
|
||
}
|
||
};
|
||
|
||
static void usage(const char* procname)
|
||
{
|
||
printf("usage: %s -h[help] -k[use kernel event: epoll/iocp/kqueue/devpool]\n", procname);
|
||
}
|
||
|
||
int main(int argc, char* argv[])
|
||
{
|
||
bool use_kernel = true;
|
||
int ch;
|
||
|
||
while ((ch = getopt(argc, argv, "hk")) > 0)
|
||
{
|
||
switch (ch)
|
||
{
|
||
case 'h':
|
||
usage(argv[0]);
|
||
return 0;
|
||
case 'k':
|
||
use_kernel = true;
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
// 构建异步引擎类对象
|
||
aio_handle handle(use_kernel ? ENGINE_KERNEL : ENGINE_SELECT);
|
||
|
||
// 创建监听异步流
|
||
aio_listen_stream* sstream = new aio_listen_stream(&handle);
|
||
const char* addr = "127.0.0.1:9001";
|
||
|
||
// 初始化ACL库(尤其是在WIN32下一定要调用此函数,在UNIX平台下可不调用)
|
||
acl_init();
|
||
|
||
// 监听指定的地址
|
||
if (sstream->open(addr) == false)
|
||
{
|
||
std::cout << "open " << addr << " error!" << std::endl;
|
||
sstream->close();
|
||
// XXX: 为了保证能关闭监听流,应在此处再 check 一下
|
||
handle.check();
|
||
|
||
getchar();
|
||
return 1;
|
||
}
|
||
|
||
// 创建回调类对象,当有新连接到达时自动调用此类对象的回调过程
|
||
io_accept_callback callback;
|
||
sstream->add_accept_callback(&callback);
|
||
std::cout << "Listen: " << addr << " ok!" << std::endl;
|
||
|
||
while (true)
|
||
{
|
||
// 如果返回 false 则表示不再继续,需要退出
|
||
if (handle.check() == false)
|
||
{
|
||
std::cout << "aio_server stop now ..." << std::endl;
|
||
break;
|
||
}
|
||
}
|
||
|
||
// 关闭监听流并释放流对象
|
||
sstream->close();
|
||
|
||
// XXX: 为了保证能关闭监听流,应在此处再 check 一下
|
||
handle.check();
|
||
|
||
return 0;
|
||
}
|