user_msg_monitor.cpp
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#include "stdafx.h"
#include "etradeclient/browser/user_msg_monitor.h"
#include <string>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/json_parser.hpp>
#include "etradeclient/browser/session.h"
#include "etradeclient/browser/url_request_proxy.h"
#include "etradeclient/utility/logging.h"
#include "etradeclient/utility/application_config.h"
#include "etradeclient/utility/url_config.h"
#include "etradeclient/utility/win_msg_define.h"
#include "etradeclient/utility/string_converter.h"
namespace
{
static const std::string JSON_TAG_CODE = "code";
static const std::string JSON_TAG_MSG = "message";
static const std::string JSON_TAG_AMOUNT = "amount";
static const std::string JSON_VAL_SUCC = "0"/*"success"*/;
}
UserMsgMonitor::UserMsgMonitor() : m_continue(false), m_timer(m_io)
{
m_interval = ApplicationConfig::Instance().MsgCountQueryInterval();
const uint32_t kIntervalMin = 60, kIntervalMax = 300;
if (m_interval < kIntervalMin)
m_interval = kIntervalMin;
else if (m_interval > kIntervalMax)
m_interval = kIntervalMax;
}
UserMsgMonitor::~UserMsgMonitor()
{
Stop();
m_io.stop(); // Stop io service before destruction.
}
void UserMsgMonitor::Start()
{
m_continue = true;
m_thread = std::thread(&UserMsgMonitor::GetMsgCountProc, this);
}
void UserMsgMonitor::Stop()
{
m_continue = false; // Make sure set flag first and then cancel the timer, this can prevent the chance of entering the loop again.
m_timer.cancel();
if (m_thread.joinable())
m_thread.join();
}
void UserMsgMonitor::CheckOnce(WinHttp::Request& request)
{
uint32_t msg_count = 0; // First initialize the value of msg count, this value will be updated only if no error happens.
do
{
std::stringstream ss;
const int kDelayMS = 500;
const int kRequestTimes = 2; // 2 is enough.
int index = 0;
for (int index = 0; index < kRequestTimes; ++index)
{
try
{
const uint32_t kHTTPOK = 200;
request.Send();
uint32_t status_code = request.GetResponseStatus();
if (kHTTPOK != status_code)
{
std::string err_msg = "网络请求错误！ 错误码: " + std::to_string(status_code);
throw std::exception(err_msg.c_str());
}
std::string response_body = request.ReadResponseBody();
if (response_body.empty())
throw std::exception("获取服务器响应数据失败，请确保网络连接正常");
ss << response_body;
break;
}
catch (std::exception& ex)
{
LOG_ERROR(gbk_2_wstr(ex.what()));
std::this_thread::sleep_for(std::chrono::milliseconds(kDelayMS));
continue;
}
}
if (kRequestTimes == index)
{
LOG_ERROR(L"从服务器获取未读通知消息数量失败！");
break;
}
namespace PT = boost::property_tree;
bool login_res = false;
try //Parse the configuration file
{
PT::ptree ptree;
PT::read_json(ss, ptree);
std::string res = ptree.get<std::string>(JSON_TAG_CODE);
login_res = res.compare(JSON_VAL_SUCC) == 0 ? true : false;
if (!login_res)
{
LOG_ERROR(L"服务器处理失败，返回信息：" + str_2_wstr(res) + str_2_wstr(ptree.get<std::string>(JSON_TAG_MSG)));
return;
}
else
#if _DEBUG
msg_count = 1; // @TODO remove
#else
msg_count = ptree.get<uint32_t>(JSON_TAG_AMOUNT);
#endif
}
catch (...)
{
LOG_ERROR(L"解析服务器返回的未读通知消息数量时出错！请确认返回数据不为空，返回的数据格式为正确的Json格式！");
return;
}
} while (0);
// Post message to CMainFrame to update msg count.
// AfxGetMainWnd() will return NULL if called from an other thread (has to do with thread local storage).
// That's why we use AfxGetApp()->GetMainWnd() instead of AfxGetMainWnd().
PostMessageW(AfxGetApp()->GetMainWnd()->GetSafeHwnd(), WM_UPDATE_USER_MSG_COUNT, (WPARAM)msg_count, NULL);
}
void UserMsgMonitor::GetMsgCountProc()
{
try
{
const uint32_t kHTTPOK = 200;
std::wstring err_msg = L"";
auto& url_cfg = URLConfig::Instance();
WinHttp win_http;
win_http.ConnectHost(url_cfg.Host(), url_cfg.Port(), url_cfg.IsHttps());
auto request = win_http.OpenRequest(WinHttp::Method::GET, url_cfg.UserMsgCountPath());
if (url_cfg.IsHttps())
{
auto& app_cfg = ApplicationConfig::Instance();
request.SetClientCertificate(app_cfg.ClientCertStore(), app_cfg.ClientCertSubject());
}
request.SetCookies(Session::Instance().Cookies());
CheckOnce(request); // Check once before waiting.
while (m_continue)
{
m_timer.expires_from_now(boost::posix_time::seconds(m_interval));
m_timer.async_wait(
[&](const boost::system::error_code& ec)
{
if (!ec)
CheckOnce(request);
});
m_io.run_one();
m_io.reset();
}
}
catch (std::exception& ex)
{
LOG_ERROR(gbk_2_wstr(ex.what()));
}
}