acl/lib_acl_cpp/samples/master/master_aio/master_aio.cpp

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// master_aio.cpp : 定义控制台应用程序的入口点。
//
#include "stdafx.h"
#include "acl_cpp/lib_acl.hpp"
static char *var_cfg_debug_msg;
static acl::master_str_tbl var_conf_str_tab[] = {
{ "debug_msg", "test_msg", &var_cfg_debug_msg },
{ 0, 0, 0 }
};
static int var_cfg_debug_enable;
static int var_cfg_keep_alive;
static int var_cfg_send_banner;
static acl::master_bool_tbl var_conf_bool_tab[] = {
{ "debug_enable", 1, &var_cfg_debug_enable },
{ "keep_alive", 1, &var_cfg_keep_alive },
{ "send_banner", 1, &var_cfg_send_banner },
{ 0, 0, 0 }
};
static int var_cfg_io_timeout;
static acl::master_int_tbl var_conf_int_tab[] = {
{ "io_timeout", 120, &var_cfg_io_timeout, 0, 0 },
{ 0, 0 , 0 , 0, 0 }
};
static void (*format)(const char*, ...) = acl::log::msg1;
using namespace acl;
//////////////////////////////////////////////////////////////////////////
/**
* 延迟读回调处理类
*/
class timer_reader: public aio_timer_reader
{
public:
timer_reader(int delay)
{
delay_ = delay;
format("timer_reader init, delay: %d\r\n", delay);
}
~timer_reader()
{
}
// aio_timer_reader 的子类必须重载 destroy 方法
void destroy()
{
format("timer_reader delete, delay: %d\r\n", delay_);
delete this;
}
// 重载基类回调方法
virtual void timer_callback(unsigned int id)
{
format("timer_reader(%u): timer_callback, delay: %d\r\n", id, delay_);
// 调用基类的处理过程
aio_timer_reader::timer_callback(id);
}
private:
int delay_;
};
/**
* 延迟写回调处理类
*/
class timer_writer: public aio_timer_writer
{
public:
timer_writer(int delay)
{
delay_ = delay;
format("timer_writer init, delay: %d\r\n", delay);
}
~timer_writer()
{
}
// aio_timer_reader 的子类必须重载 destroy 方法
void destroy()
{
format("timer_writer delete, delay: %d\r\n", delay_);
delete this;
}
// 重载基类回调方法
virtual void timer_callback(unsigned int id)
{
format("timer_writer(%u): timer_callback, delay: %u\r\n", id, delay_);
// 调用基类的处理过程
aio_timer_writer::timer_callback(id);
}
private:
int delay_;
};
class timer_test : public aio_timer_callback
{
public:
timer_test() : aio_timer_callback(true) {}
~timer_test() {}
protected:
// 基类纯虚函数
virtual void timer_callback(unsigned int id)
{
format("id: %u\r\n", id);
}
virtual void destroy(void)
{
delete this;
format("timer delete now\r\n");
}
private:
};
/**
* 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)
, i_(0)
{
}
~io_callback()
{
format("delete io_callback now ...\r\n");
}
/**
* 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
*/
virtual bool read_callback(char* data, int len)
{
if (++i_ < 10)
format(">>gets(i: %d): %s\r\n", i_, data);
// 如果远程客户端希望退出,则关闭之
if (strncmp(data, "quit", 4) == 0)
{
client_->format("Bye!\r\n");
client_->close();
}
// 如果远程客户端希望服务端也关闭,则中止异步事件过程
else if (strncmp(data, "stop", 4) == 0)
{
client_->format("Stop now!\r\n");
client_->close(); // 关闭远程异步流
// 通知异步引擎关闭循环过程
client_->get_handle().stop();
}
// 向远程客户端回写收到的数据
int delay = 0;
if (strncmp(data, "write_delay", strlen("write_delay")) == 0)
{
// 延迟写过程
const char* ptr = data + strlen("write_delay");
delay = atoi(ptr);
if (delay > 0)
{
format(">> write delay %d second ...\r\n", delay);
timer_writer* timer = new timer_writer(delay);
client_->write(data, len, delay * 1000000, timer);
client_->gets(10, false);
return (true);
}
}
else if (strncmp(data, "read_delay", strlen("read_delay")) == 0)
{
// 延迟读过程
const char* ptr = data + strlen("read_delay");
delay = atoi(ptr);
if (delay > 0)
{
client_->write(data, len);
format(">> read delay %d second ...\r\n", delay);
timer_reader* timer = new timer_reader(delay);
client_->gets(10, false, delay * 1000000, timer);
return (true);
}
}
client_->write(data, len);
//client_->gets(10, false);
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
*/
virtual 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
*/
virtual 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
format("Close\r\n");
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
*/
virtual bool timeout_callback()
{
format("Timeout ...\r\n");
return (true);
}
private:
aio_socket_stream* client_;
int i_;
};
//////////////////////////////////////////////////////////////////////////
class master_aio_test : public master_aio
{
public:
master_aio_test() { timer_test_ = new timer_test(); }
~master_aio_test() { }
protected:
// 基类纯虚函数:当接收到一个新的连接时调用此函数
virtual bool on_accept(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);
// 写欢迎信息
if (var_cfg_send_banner)
client->format("hello, you're welcome\r\n");
// 从异步流读一行数据
client->gets(10, false);
//client->read();
return true;
}
// 基类虚函数:服务进程切换用户身份前调用此函数
virtual void proc_pre_jail()
{
format("proc_pre_jail\r\n");
// 只有当程序启动后才能获得异步引擎句柄
handle_ = get_handle();
//handle_->keep_timer(true); // 允许定时器被重复触发
// 设置第一个定时任务每隔1秒触发一次定时任务ID为0
handle_->set_timer(timer_test_, 1000000, 0);
}
// 基类虚函数:服务进程切换用户身份后调用此函数
virtual void proc_on_init()
{
format("proc init\r\n");
// 设置第二个定时任务每隔2秒触发一次定时任务ID为1
handle_->set_timer(timer_test_, 2000000, 1);
}
// 基类虚函数:服务进程退出前调用此函数
virtual void proc_on_exit()
{
format("proc exit\r\n");
}
private:
timer_test* timer_test_;
aio_handle* handle_;
};
//////////////////////////////////////////////////////////////////////////
int main(int argc, char* argv[])
{
#if 0
int base = 8, nslice = 1024, nalloc_gc = 1000000;
unsigned int slice_flag = ACL_SLICE_FLAG_GC2 | ACL_SLICE_FLAG_RTGC_OFF;
acl_mem_slice_init(base, nslice, nalloc_gc, slice_flag);
#endif
master_aio_test ma;
// 设置配置参数表
ma.set_cfg_int(var_conf_int_tab);
ma.set_cfg_int64(NULL);
ma.set_cfg_str(var_conf_str_tab);
ma.set_cfg_bool(var_conf_bool_tab);
// 开始运行
if (argc >= 2 && strcmp(argv[1], "alone") == 0)
{
const char* addr = "127.0.0.1:8888, 127.0.0.1:8889";
if (argc >= 3)
addr = argv[2];
const char* conf;
if (argc >= 4)
conf = argv[3];
else
conf = NULL;
format = (void (*)(const char*, ...)) printf;
format("listen: %s now\r\n", addr);
ma.run_alone(addr, conf); // 单独运行方式
}
else
{
#ifdef WIN32
const char* addr = "127.0.0.1:8888, 127.0.0.1:8889";
const char* conf = "./master_aio.cf";
format = (void (*)(const char*, ...)) printf;
format("listen: %s now\r\n", addr);
ma.run_alone(addr, conf); // 单独运行方式
#else
ma.run_daemon(argc, argv); // acl_master 控制模式运行
#endif
}
return 0;
}