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/*
Copyright (c) 2013-14 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()
{
m_evRequestsQueue = CreateEvent(NULL, FALSE, FALSE, NULL);
}
void CVkProto::UninitQueue()
{
m_arRequestsQueue.destroy();
CloseHandle(m_evRequestsQueue);
}
/////////////////////////////////////////////////////////////////////////////////////////
void CVkProto::ExecuteRequest(AsyncHttpRequest *pReq)
{
CMStringA str;
LBL_Restart:
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, pReq->m_szParam);
pReq->szUrl = str.GetBuffer();
}
else {
pReq->pData = mir_strdup(pReq->m_szParam.GetBuffer());
pReq->dataLength = pReq->m_szParam.GetLength();
}
}
NETLIBHTTPREQUEST *reply = (NETLIBHTTPREQUEST*)CallService(MS_NETLIB_HTTPTRANSACTION, (WPARAM)m_hNetlibUser, (LPARAM)pReq);
if (reply != NULL) {
if (pReq->m_pFunc != NULL)
(this->*(pReq->m_pFunc))(reply, pReq);
CallService(MS_NETLIB_FREEHTTPREQUESTSTRUCT, 0, (LPARAM)reply);
if (pReq->bNeedsRestart)
goto LBL_Restart;
}
else if (pReq->bIsMainConn) {
if (m_iStatus >= ID_STATUS_CONNECTING && m_iStatus < ID_STATUS_CONNECTING + MAX_CONNECT_RETRIES)
ConnectionFailed(LOGINERR_NONETWORK);
else {
debugLogA("CVkProto::ExecuteRequest ShutdownSession");
ShutdownSession();
}
}
delete pReq;
}
/////////////////////////////////////////////////////////////////////////////////////////
AsyncHttpRequest* CVkProto::Push(AsyncHttpRequest *pReq, int iTimeout)
{
pReq->timeout = iTimeout;
{
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");
if (m_szAccessToken != NULL)
// try to receive a response from server
RetrieveMyInfo();
else {
// Initialize new OAuth session
extern char szBlankUrl[];
Push(new AsyncHttpRequest(this, REQUEST_GET, "/oauth/authorize", false, &CVkProto::OnOAuthAuthorize)
<< INT_PARAM("client_id", VK_APP_ID)
<< CHAR_PARAM("scope", "friends,photos,audio,video,wall,messages,offline,status")
<< CHAR_PARAM("redirect_uri", szBlankUrl)
<< CHAR_PARAM("display", "mobile")
<< CHAR_PARAM("response_type", "token")
<< VER_API)->m_bApiReq = false;;
}
while(true) {
WaitForSingleObject(m_evRequestsQueue, 1000);
if (m_bTerminated)
break;
AsyncHttpRequest *pReq;
bool need_sleep = false;
while(true) {
{
mir_cslock lck(m_csRequestsQueue);
if (m_arRequestsQueue.getCount() == 0)
break;
pReq = m_arRequestsQueue[0];
m_arRequestsQueue.remove(0);
need_sleep = (m_arRequestsQueue.getCount() > 1) && (pReq->m_bApiReq); // more than two to not gather
}
ExecuteRequest(pReq);
if (need_sleep) // There can be maximum 3 requests to API methods per second from a client
Sleep(330); // (c) https://vk.com/dev/api_requests
}
}
m_hWorkerThread = 0;
debugLogA("CVkProto::WorkerThread: leaving");
}
/////////////////////////////////////////////////////////////////////////////////////////
AsyncHttpRequest* operator<<(AsyncHttpRequest *pReq, const INT_PARAM ¶m)
{
CMStringA &s = pReq->m_szParam;
if (!s.IsEmpty())
s.AppendChar('&');
s.AppendFormat("%s=%i", 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(mir_urlEncode(param.szValue)));
return pReq;
}
AsyncHttpRequest* operator<<(AsyncHttpRequest *pReq, const TCHAR_PARAM ¶m)
{
ptrA szValue(mir_utf8encodeT(param.tszValue));
CMStringA &s = pReq->m_szParam;
if (!s.IsEmpty())
s.AppendChar('&');
s.AppendFormat("%s=%s", param.szName, ptrA(mir_urlEncode(szValue)));
return pReq;
}
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