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104 lines
1.9 KiB
C++
104 lines
1.9 KiB
C++
#include "stdafx.h"
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#include "res_callback.h"
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#include "req_callback.h"
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req_callback::req_callback(acl::aio_socket_stream* conn,
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acl::ofstream* req_fp, acl::ofstream* res_fp)
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: conn_(conn)
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, res_(NULL)
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, req_fp_(req_fp)
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, res_fp_(res_fp)
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{
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}
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req_callback::~req_callback()
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{
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acl_assert(res_ == NULL);
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}
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bool req_callback::read_callback(char* data, int len)
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{
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if (res_ == NULL)
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{
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logger_warn("server peer disconnected!");
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return false;
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}
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// 取得服务端连接，并将数据写入
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acl::aio_socket_stream& peer = res_->get_conn();
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peer.write(data, len);
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// 将数据写入本地请求文件
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if (req_fp_)
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req_fp_->write(data, len);
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return true;
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}
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void req_callback::close_callback()
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{
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logger("disconnect from %s, fd: %d", conn_->get_peer(),
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conn_->sock_handle());
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if (res_)
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{
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res_callback* res = res_;
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res_ = NULL;
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res->disconnect();
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}
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// 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
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delete this;
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}
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void req_callback::start(const char* server_addr)
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{
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// 注册异步流的读回调过程
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conn_->add_read_callback(this);
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// 注册异步流的写回调过程
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conn_->add_write_callback(this);
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// 注册异步流的关闭回调过程
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conn_->add_close_callback(this);
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// 注册异步流的超时回调过程
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conn_->add_timeout_callback(this);
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// 开始连接远程服务器
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acl::aio_handle& handle = conn_->get_handle();
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res_ = new res_callback(this, res_fp_);
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if (res_->start(handle, server_addr) == false)
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{
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logger_error("connect server %s error %s",
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server_addr, acl::last_serror());
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delete res_;
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res_ = NULL;
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conn_->close();
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}
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}
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acl::aio_socket_stream& req_callback::get_conn()
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{
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acl_assert(conn_);
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return *conn_;
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}
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void req_callback::on_connected()
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{
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// 当连接服务端成功后调用此函数开始从客户端读取数据
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conn_->read();
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}
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void req_callback::disconnect()
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{
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if (conn_)
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{
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res_ = NULL;
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conn_->close();
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}
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else
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delete this;
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}
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