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/*
Copyright (c) 2013-17 Miranda NG project (http://miranda-ng.org)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation version 2
of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
void CVkProto::InitQueue()
{
debugLogA("CVkProto::InitQueue");
m_evRequestsQueue = CreateEvent(NULL, FALSE, FALSE, NULL);
}
void CVkProto::UninitQueue()
{
debugLogA("CVkProto::UninitQueue");
m_arRequestsQueue.destroy();
CloseHandle(m_evRequestsQueue);
}
/////////////////////////////////////////////////////////////////////////////////////////
void CVkProto::ExecuteRequest(AsyncHttpRequest *pReq)
{
CMStringA str;
do {
pReq->bNeedsRestart = false;
pReq->szUrl = pReq->m_szUrl.GetBuffer();
if (!pReq->m_szParam.IsEmpty()) {
if (pReq->requestType == REQUEST_GET) {
str.Format("%s?%s", pReq->m_szUrl.c_str(), pReq->m_szParam.c_str());
pReq->szUrl = str.GetBuffer();
}
else {
pReq->pData = mir_strdup(pReq->m_szParam);
pReq->dataLength = pReq->m_szParam.GetLength();
}
}
if (pReq->m_bApiReq) {
pReq->flags |= NLHRF_PERSISTENT;
pReq->nlc = m_hAPIConnection;
}
debugLogA("CVkProto::ExecuteRequest \n====\n%s\n====\n", pReq->szUrl);
NETLIBHTTPREQUEST *reply = Netlib_HttpTransaction(m_hNetlibUser, pReq);
if (reply != NULL) {
if (pReq->m_pFunc != NULL)
(this->*(pReq->m_pFunc))(reply, pReq); // may be set pReq->bNeedsRestart
if (pReq->m_bApiReq)
m_hAPIConnection = reply->nlc;
Netlib_FreeHttpRequest(reply);
}
else if (pReq->bIsMainConn) {
if (IsStatusConnecting(m_iStatus))
ConnectionFailed(LOGINERR_NONETWORK);
else if (pReq->m_iRetry && !m_bTerminated) {
pReq->bNeedsRestart = true;
Sleep(1000); //Pause for fix err
pReq->m_iRetry--;
debugLogA("CVkProto::ExecuteRequest restarting (retry = %d)", MAX_RETRIES - pReq->m_iRetry);
}
else {
debugLogA("CVkProto::ExecuteRequest ShutdownSession");
ShutdownSession();
}
}
debugLogA("CVkProto::ExecuteRequest pReq->bNeedsRestart = %d", (int)pReq->bNeedsRestart);
if (!reply && pReq->m_bApiReq)
m_hAPIConnection = NULL;
} while (pReq->bNeedsRestart && !m_bTerminated);
delete pReq;
}
/////////////////////////////////////////////////////////////////////////////////////////
AsyncHttpRequest* CVkProto::Push(AsyncHttpRequest *pReq, int iTimeout)
{
debugLogA("CVkProto::Push");
pReq->timeout = iTimeout;
if (pReq->m_bApiReq) {
pReq << VER_API;
if (!IsEmpty(m_vkOptions.pwszVKLang))
pReq << WCHAR_PARAM("lang", m_vkOptions.pwszVKLang);
}
{
mir_cslock lck(m_csRequestsQueue);
m_arRequestsQueue.insert(pReq);
}
SetEvent(m_evRequestsQueue);
return pReq;
}
/////////////////////////////////////////////////////////////////////////////////////////
void CVkProto::WorkerThread(void*)
{
debugLogA("CVkProto::WorkerThread: entering");
m_bTerminated = m_prevError = false;
m_szAccessToken = getStringA("AccessToken");
char Score[] = "friends,photos,audio,docs,video,wall,messages,offline,status,notifications,groups";
CMStringA szAccessScore(ptrA(getStringA("AccessScore")));
if (szAccessScore != Score) {
setString("AccessScore", Score);
delSetting("AccessToken");
m_szAccessToken = NULL;
}
if (m_szAccessToken != NULL)
// try to receive a response from server
RetrieveMyInfo();
else {
// Initialize new OAuth session
extern char szBlankUrl[];
AsyncHttpRequest *pReq = new AsyncHttpRequest(this, REQUEST_GET, "https://oauth.vk.com/authorize", false, &CVkProto::OnOAuthAuthorize)
<< INT_PARAM("client_id", VK_APP_ID)
<< CHAR_PARAM("scope", Score)
<< CHAR_PARAM("redirect_uri", szBlankUrl)
<< CHAR_PARAM("display", "mobile")
<< CHAR_PARAM("response_type", "token")
<< VER_API;
pReq->m_bApiReq = false;
pReq->bIsMainConn = true;
Push(pReq);
}
m_hAPIConnection = NULL;
while (true) {
WaitForSingleObject(m_evRequestsQueue, 1000);
if (m_bTerminated)
break;
AsyncHttpRequest *pReq;
ULONG uTime[3] = { 0, 0, 0 };
long lWaitingTime = 0;
while (true) {
{
mir_cslock lck(m_csRequestsQueue);
if (m_arRequestsQueue.getCount() == 0)
break;
pReq = m_arRequestsQueue[0];
m_arRequestsQueue.remove(0);
ULONG utime = GetTickCount();
lWaitingTime = (utime - uTime[0]) > 1000 ? 0 : 1100 - (utime - uTime[0]);
if (!(pReq->m_bApiReq) || lWaitingTime < 0)
lWaitingTime = 0;
}
if (m_bTerminated)
break;
if (lWaitingTime) {
debugLogA("CVkProto::WorkerThread: need sleep %d msec", lWaitingTime);
Sleep(lWaitingTime);
}
if (pReq->m_bApiReq) {
uTime[0] = uTime[1];
uTime[1] = uTime[2];
uTime[2] = GetTickCount();
// There can be maximum 3 requests to API methods per second from a client
// see https://vk.com/dev/api_requests
}
ExecuteRequest(pReq);
}
}
m_hWorkerThread = NULL;
if (m_hAPIConnection) {
debugLogA("CVkProto::WorkerThread: Netlib_CloseHandle(m_hAPIConnection) beg");
Netlib_CloseHandle(m_hAPIConnection);
debugLogA("CVkProto::WorkerThread: Netlib_CloseHandle(m_hAPIConnection) end");
m_hAPIConnection = NULL;
}
debugLogA("CVkProto::WorkerThread: leaving m_bTerminated = %d", m_bTerminated ? 1 : 0);
}
/////////////////////////////////////////////////////////////////////////////////////////
AsyncHttpRequest* operator<<(AsyncHttpRequest *pReq, const INT_PARAM ¶m)
{
CMStringA &s = pReq->m_szParam;
if (!s.IsEmpty())
s.AppendChar('&');
s.AppendFormat("%s=%ld", param.szName, param.iValue);
return pReq;
}
AsyncHttpRequest* operator<<(AsyncHttpRequest *pReq, const CHAR_PARAM ¶m)
{
CMStringA &s = pReq->m_szParam;
if (!s.IsEmpty())
s.AppendChar('&');
s.AppendFormat("%s=%s", param.szName, ptrA(pReq->bExpUrlEncode ? ExpUrlEncode(param.szValue) : mir_urlEncode(param.szValue)));
return pReq;
}
AsyncHttpRequest* operator<<(AsyncHttpRequest *pReq, const WCHAR_PARAM ¶m)
{
T2Utf szValue(param.wszValue);
CMStringA &s = pReq->m_szParam;
if (!s.IsEmpty())
s.AppendChar('&');
s.AppendFormat("%s=%s", param.szName, ptrA(pReq->bExpUrlEncode ? ExpUrlEncode(szValue) : mir_urlEncode(szValue)));
return pReq;
}
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