acl/lib_acl_cpp/samples/HttpClient/HttpDownload.cpp
2014-11-19 00:25:21 +08:00

98 lines
2.1 KiB
C++

#include "StdAfx.h"
#include "acl_cpp/stream/aio_handle.hpp"
#include "acl_cpp/stdlib/string.hpp"
#include ".\httpdownload.h"
CHttpDownload::CHttpDownload(const char* domain, unsigned short port,
acl::aio_handle* handle)
: acl::http_service_request(domain, port)
, handle_(handle)
{
read_length_ = 0;
#ifdef WIN32
hWnd_ = 0;
#endif
}
CHttpDownload::~CHttpDownload(void)
{
#ifdef WIN32
acl::aio_handle_type handle_type = handle_->get_engine_type();
if (handle_type == acl::ENGINE_WINMSG)
{
ASSERT(hWnd_);
::PostMessage(hWnd_, WM_USER_DOWNLOAD_OVER, 0, 0);
}
else
handle_->stop();
#else
// 通知异步事件引擎完全退出
handle_->stop();
#endif
}
void CHttpDownload::destroy()
{
delete this;
}
#ifdef WIN32
void CHttpDownload::SetHWnd(HWND hWnd)
{
hWnd_ = hWnd;
}
#endif
const acl::string* CHttpDownload::get_body()
{
return (NULL);
}
void CHttpDownload::on_hdr(const char* addr, const HTTP_HDR_RES* hdr)
{
printf(">>server addr: %s, http reply status: %d\n",
addr, hdr->reply_status);
http_hdr_print(&hdr->hdr, "http reply hdr");
content_length_ = hdr->hdr.content_length;
if (content_length_ > 0)
{
if (out_.open_write("test.exe") == false)
printf("create file error(%s)\n",
acl_last_serror());
}
time(&begin_);
}
void CHttpDownload::on_body(const char* data, size_t dlen)
{
if (data == NULL && dlen == 0)
{
#ifdef WIN32
printf("\n>> http reply body over, total: %I64d, %I64d\n",
content_length_, read_length_);
#else
printf("\n>> http reply body over, total: %lld, %lld\n",
content_length_, read_length_);
#endif
// 出错后,因为本类对象是动态分配的,所以需要在此处释放
time_t end = time(NULL);
printf(">>spent %d seconds\n", (int)(end - begin_));
return;
}
read_length_ += dlen;
http_off_t n = (read_length_ * 100) / content_length_;
#ifdef WIN32
printf("%I64d%%\r", n);
#else
printf("%lld%%\r", n);
#endif
if (out_.opened())
out_.write(data, dlen);
}
void CHttpDownload::on_error(acl::http_status_t errnum)
{
printf(">> error: %d\n", (int) errnum);
}