Leaked source code of windows server 2003
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#include "inetdown.h"
//----------------------------------------------------------------------------
// Globals
//----------------------------------------------------------------------------
//#define TEST 1
HINTERNET hInternet;
HANDLE hDownloadThread;
HANDLE hMaxDownloadSem;
DWORD dwThreadID;
LPSTR ppAccept[] = {"*/*",NULL};
DWORD dwBegin_Time = 0;
DWORD dwEnd_Time;
DWORD dwTot_Time;
DWORD dwNum_Opens = 1;
DWORD dwBuf_Size = BUF_SIZE;
DWORD dwBytes_Read = 0;
DWORD dwMax_Simul_Downloads = URLMAX;
DWORD dwInternet_Open_Flags = INTERNET_FLAG_RELOAD | INTERNET_FLAG_DONT_CACHE | INTERNET_FLAG_EXISTING_CONNECT;
DWORD dwInternet_Connect_Flags = 0;
BOOL bDelim = FALSE;
BOOL g_bSingleThreaded = FALSE;
DWORD g_dwMainThreadID = 0;
DWORD g_iDownloads = 0;
char *pFilename = NULL;
char *pInFile = NULL;
char *g_pRunStr = NULL;
char *g_pTestName = NULL;
char g_CmdLine[1024];
BOOL g_bTimeFirstFile = TRUE;
url_info_cache g_pUrlInfoCache;
HANDLE g_hHeap;
#ifdef DBG
#define dprintf(args) _dprintf args
INT _dprintf(TCHAR *fmt, ... )
{
INT ret;
va_list marker;
TCHAR szBuffer[256];
if(TRUE) {
va_start(marker, fmt);
ret = vsprintf(szBuffer, fmt, marker);
OutputDebugString(szBuffer);
printf(szBuffer);
}
return ret;
}
#else
#define dprintf(args)
#endif
//----------------------------------------------------------------------------
//Procedure: generateInfo
//Purpose: init globals
//Arguments: none
//RetVal: void
//----------------------------------------------------------------------------
void generateInfo()
{
g_iDownloads = 0;
g_dwMainThreadID = GetCurrentThreadId();
return;
}
//----------------------------------------------------------------------------
// Procedure: getCachedUrlInfo
// Purpose: Finds existing url_info struct from the cache if it exists
// Arguments: szUrl
// RetVal: url_info* or NULL based on whether it's there
//----------------------------------------------------------------------------
url_info *getCachedUrlInfo(TCHAR *szUrl)
{
url_info *temp = g_pUrlInfoCache.pHead;
while(temp && (0 != lstrcmp(temp->pURLName,szUrl)))
{
temp = temp->pNext;
}
return temp;
}
//----------------------------------------------------------------------------
// Procedure: getUrlInfo
// Purpose: Sets pUrlInfo member of the outQ struct
// Arguments: outQ, szUrl
// RetVal: TRUE or FALSE based on error
//----------------------------------------------------------------------------
BOOL getUrlInfo(outQ *pOutQ, TCHAR *szUrl)
{
URL_COMPONENTS urlc;
BOOL fRet = FALSE;
if(pOutQ->pURLInfo = getCachedUrlInfo(szUrl))
{
//Use existing url_info from cache
return TRUE;
}
pOutQ->pURLInfo = HeapAlloc(g_hHeap,0,sizeof(url_info));
if(!pOutQ->pURLInfo)
return FALSE;
pOutQ->pURLInfo->pURLName = HeapAlloc(g_hHeap,0,(1+lstrlen(szUrl))*sizeof(TCHAR));
if(!pOutQ->pURLInfo->pURLName)
{
HeapFree(g_hHeap,0,pOutQ->pURLInfo);
return FALSE;
}
lstrcpy(pOutQ->pURLInfo->pURLName,szUrl);
//Add to head of url_info cache
pOutQ->pURLInfo->pNext = g_pUrlInfoCache.pHead;
g_pUrlInfoCache.pHead = pOutQ->pURLInfo;
urlc.dwStructSize = sizeof(URL_COMPONENTS);
urlc.lpszScheme=pOutQ->pURLInfo->szRScheme;
urlc.dwSchemeLength= MAX_SCHEME_LENGTH;
urlc.nScheme = INTERNET_SCHEME_UNKNOWN;
urlc.lpszHostName=pOutQ->pURLInfo->szRHost;
urlc.dwHostNameLength=INTERNET_MAX_HOST_NAME_LENGTH;
urlc.lpszUserName=NULL;
urlc.dwUserNameLength=0;
urlc.lpszPassword=NULL;
urlc.dwPasswordLength=0;
urlc.lpszExtraInfo = NULL;
urlc.dwExtraInfoLength = 0;
urlc.lpszUrlPath=pOutQ->pURLInfo->szRPath;
urlc.dwUrlPathLength=INTERNET_MAX_PATH_LENGTH;
urlc.nPort = 0;
if (InternetCrackUrl(pOutQ->pURLInfo->pURLName,0,0,&urlc))
{
fRet = TRUE;
pOutQ->pURLInfo->nScheme = urlc.nScheme;
pOutQ->pURLInfo->nPort = urlc.nPort;
// For now, we will only support HTTP
if((pOutQ->pURLInfo->nScheme != INTERNET_SERVICE_HTTP) && (pOutQ->pURLInfo->nScheme != INTERNET_SCHEME_HTTPS))
fRet = FALSE;
}
return fRet;
}
//----------------------------------------------------------------------------
// Procedure: fillOutQ
// Purpose: fills the OutQ will URLs to be downloaded
// Arguments: OutQ to be filled
// RetVal: the start of the Queue or NULL on error
//----------------------------------------------------------------------------
outQ* fillOutQ(outQ *pOutQ, TCHAR *URLName)
{
outQ *pStartOutQ;
pStartOutQ = pOutQ;
if(pOutQ) {
//go to first free outQ as opposed to adding to front (not concerned w/time)
while(pOutQ->pNext != NULL)
{
pOutQ = pOutQ->pNext;
}
pOutQ->pNext = HeapAlloc(g_hHeap,0, sizeof(outQ));
if (!pOutQ->pNext)
{
dprintf(("HeapAlloc Failed!\n"));
return NULL;
}
pOutQ = pOutQ->pNext;
pOutQ->pNext = NULL;
}
else
{
pStartOutQ = pOutQ = HeapAlloc(g_hHeap,0, sizeof(outQ));
if (!pOutQ)
{
dprintf(("HeapAlloc Failed!\n"));
return NULL;
}
pOutQ->pNext = NULL;
}
//keep track of the number of downloads
g_iDownloads++;
if(!getUrlInfo(pOutQ,URLName))
{
dprintf(("getUrlInfo failed!\n"));
return NULL;
}
return pStartOutQ;
}
//----------------------------------------------------------------------------
// Procedure: freeOutQMem
// Purpose: frees the memory held in the given outQ
// Arguments: outQ to be freed
// RetVal: none
//----------------------------------------------------------------------------
void freeOutQMem(outQ *pOutQ)
{
outQ *pLastOutQ;
while(pOutQ)
{
pLastOutQ = pOutQ;
pOutQ = pOutQ->pNext;
HeapFree(g_hHeap,0,pLastOutQ);
}
return;
}
//----------------------------------------------------------------------------
// Procedure: callOpenRequest
// Purpose: calls HttpOpenRequest
// Arguments: outQ
// RetVal: none
//----------------------------------------------------------------------------
void callOpenRequest(outQ *pOutQ)
{
INT iError = 0;
DWORD dwAdded_Connect_Flags = 0;
if(lstrcmpi(pOutQ->pURLInfo->szRScheme, "https") == 0)
{
dwAdded_Connect_Flags = INTERNET_FLAG_SECURE;
}
if(pOutQ->hInetReq = HttpOpenRequest(
pOutQ->hInetCon, //connection
NULL, //verb
pOutQ->pURLInfo->szRPath, //object
NULL, //version
NULL, //referrer
ppAccept, //accept headers
dwInternet_Open_Flags | dwAdded_Connect_Flags, //flags
(DWORD) pOutQ)) //context
{
//it was synchronous (usual)
dprintf(("callOpenRequest: Sync TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, LDG_STARTING));
pOutQ->iStatus = LDG_STARTING;
callSendRequest(pOutQ);
return;
}
else
{
if((iError = GetLastError()) != ERROR_IO_PENDING){
dprintf((" Error on HttpOpenRequest[%d]\n", iError));
g_iDownloads--;
if(g_iDownloads == 0)
{
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_DONE, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
}
}
return;
}
dprintf(("callOpenRequest: TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, REQUEST_OPENED));
pOutQ->iStatus = REQUEST_OPENED;
return;
}
}
//----------------------------------------------------------------------------
// Procedure: callSendRequest
// Purpose: calls HttpSendRequest
// Arguments: outQ
// RetVal: none
//----------------------------------------------------------------------------
void callSendRequest(outQ *pOutQ)
{
INT iError = 0;
if(HttpSendRequest(pOutQ->hInetReq, NULL, 0, NULL, 0))
{
//it was synchronous
dprintf(("callSendRequest: Sync TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, LDG_START));
pOutQ->iStatus = LDG_START;
callReadFile(pOutQ);
return;
}
else
{
if((iError = GetLastError()) != ERROR_IO_PENDING)
{
dprintf((" Error on HttpSendRequest[%d]\n", iError));
g_iDownloads--;
if(g_iDownloads == 0)
{
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_DONE, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
}
}
return;
}
//it was async (usual)
dprintf(("callSendRequest: TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, LDG_START));
pOutQ->iStatus = LDG_START;
return;
}
}
//----------------------------------------------------------------------------
// Procedure: callReadFile
// Purpose: calls InternetReadFile
// Arguments: outQ
// RetVal: none
//----------------------------------------------------------------------------
void callReadFile(outQ *pOutQ)
{
#ifndef TEST
INT iError;
INTERNET_BUFFERS IB;
BOOL bRC;
static TCHAR buf[BUF_SIZE];
switch (pOutQ->iStatus)
{
case LDG_START:
dprintf(("callReadFile: TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, LDG_LDG));
pOutQ->iStatus = LDG_LDG;
break;
case LDG_RDY:
if(pOutQ->lNumRead == 0)
{
// should wait for 0 bytes read so data will cache.
dprintf(("callReadFile: TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, LDG_DONE));
pOutQ->iStatus = LDG_DONE;
dprintf(("%s downloaded\n", pOutQ->pURLInfo->pURLName));
g_iDownloads--;
//post msg if last download for exit
if(g_iDownloads == 0)
{
dwEnd_Time = GetTickCount();
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_DONE, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
return;
}
}
InternetCloseHandle(pOutQ->hInetReq);
InternetCloseHandle(pOutQ->hInetCon);
if(!ReleaseSemaphore(hMaxDownloadSem,1,NULL))
{
dprintf((" ReleaseSemaphore failed!\n"));
return;
}
return;
}
dprintf((" '%s':Rd = %d\n", pOutQ->pURLInfo->pURLName, pOutQ->lNumRead));
dwBytes_Read += pOutQ->lNumRead;
break;
}
//Should insert timing test here
if(dwBegin_Time == 0)
{
if(!g_bTimeFirstFile)
g_bTimeFirstFile = TRUE;
else
dwBegin_Time = GetTickCount();
}
IB.dwStructSize = sizeof (INTERNET_BUFFERS);
IB.Next = 0;
IB.lpcszHeader = 0;
IB.dwHeadersLength = 0;
IB.dwHeadersTotal = 0;
IB.lpvBuffer = buf;
IB.dwBufferLength = dwBuf_Size;
IB.dwBufferTotal = 0;
IB.dwOffsetLow = 0;
IB.dwOffsetHigh = 0;
bRC = InternetReadFileEx(pOutQ->hInetReq, &IB, IRF_NO_WAIT, 0);
pOutQ->lNumRead = IB.dwBufferLength;
if(bRC)
{
//it was synchronous
dprintf(("callReadFile: Sync TID=%x pOutQ=%x Read=%d iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->lNumRead, pOutQ->iStatus, LDG_RDY));
pOutQ->iStatus = LDG_RDY;
callReadFile(pOutQ);
return;
}
else
{
dprintf(("callReadFile: TID=%x pOutQ=%x Read=%d iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->lNumRead, pOutQ->iStatus, LDG_RDY));
if(GetLastError() != ERROR_IO_PENDING)
{
g_iDownloads--;
if(g_iDownloads == 0)
{
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_DONE, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
return;
}
}
dprintf(("Error on InternetRead"));
return;
}
if((pOutQ->lNumRead == 0) && (pOutQ->iStatus == LDG_LDG)) //vmr
pOutQ->iStatus = LDG_RDY;
}
#else // ifndef TEST =======================================================================
INT iError;
INTERNET_BUFFERS IB;
BOOL bRC;
BYTE Buf[8192];
pOutQ->pBuf = Buf;
//Should insert timing test here
if(dwBegin_Time == 0)
{
if(!g_bTimeFirstFile)
g_bTimeFirstFile = TRUE;
else
dwBegin_Time = GetTickCount();
}
IB.dwStructSize = sizeof (INTERNET_BUFFERS);
IB.Next = 0;
IB.lpcszHeader = 0;
IB.dwHeadersLength = 0;
IB.dwHeadersTotal = 0;
IB.lpvBuffer = &Buf;
IB.dwBufferLength = dwBuf_Size;
IB.dwBufferTotal = 0;
IB.dwOffsetLow = 0;
IB.dwOffsetHigh = 0;
bRC = InternetReadFileEx(pOutQ->hInetReq, &IB, IRF_NO_WAIT, 0);
pOutQ->lNumRead = IB.dwBufferLength;
if(bRC)
{
//it was synchronous
dprintf(("callReadFile: Sync TID=%x pOutQ=%x Read=%d iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->lNumRead, pOutQ->iStatus, LDG_RDY));
pOutQ->iStatus = LDG_RDY;
if(pOutQ->lNumRead == 0)
{
pOutQ->iStatus = LDG_DONE;
dprintf(("%s downloaded\n", pOutQ->pURLInfo->pURLName));
InternetCloseHandle(pOutQ->hInetReq);
InternetCloseHandle(pOutQ->hInetCon);
//post msg if last download for exit
g_iDownloads--;
if(g_iDownloads == 0)
{
dwEnd_Time = GetTickCount();
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_DONE, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
return;
}
}
if(!ReleaseSemaphore(hMaxDownloadSem,1,NULL))
{
dprintf((" ReleaseSemaphore failed!\n"));
return;
}
}
else
{
dprintf((" '%s':Rd = %d\n", pOutQ->pURLInfo->pURLName, pOutQ->lNumRead));
dwBytes_Read += pOutQ->lNumRead;
callReadFile(pOutQ);
}
}
else
{
dprintf(("callReadFile: TID=%x pOutQ=%x Read=%d iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->lNumRead, pOutQ->iStatus, LDG_RDY));
if(GetLastError() != ERROR_IO_PENDING)
{
g_iDownloads--;
if(g_iDownloads == 0)
{
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_DONE, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
return;
}
}
dprintf(("Error on InternetRead"));
return;
}
if((pOutQ->lNumRead == 0) && (pOutQ->iStatus == LDG_LDG)) //vmr
pOutQ->iStatus = LDG_RDY;
}
return;
#endif // ifndef TEST
}
//----------------------------------------------------------------------------
// Procedure: inetCallBackFn
// Purpose: callback function used for all the async wininet calls
// simply makes calls to do the actual processing of this callback.
// Arguments: hInet HINTERNET for the callback
// dwContext the outQ
// dwInternewStatus Status of the callback
// lpStatusInfo Holds connection handle
// dwStatusInfoLen Not used
//----------------------------------------------------------------------------
VOID CALLBACK inetCallBackFn(HINTERNET hInet,
DWORD dwContext,
DWORD dwInternetStatus,
LPVOID lpStatusInfo,
DWORD dwStatusInfoLen) {
INT iError;
outQ *pOutQ = (outQ *)(dwContext);
//First check outQ's state
//Should post messages to other thread to do calls
switch(pOutQ->iStatus)
{
case CONNECTED:
//should not be called in normal async behavior
if(!pOutQ->hInetCon)
{
pOutQ->hInetCon = *((HINTERNET *)(lpStatusInfo));
}
dprintf(("inetCallBackFn: TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, REQUEST_OPENING));
pOutQ->iStatus = REQUEST_OPENING;
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_OPEN_REQUEST, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
return;
}
break;
case REQUEST_OPENED:
//should not be called in normal async behavior
if(!pOutQ->hInetReq)
{
pOutQ->hInetReq = *((HINTERNET *)(lpStatusInfo));
}
dprintf(("inetCallBackFn: TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, LDG_STARTING));
pOutQ->iStatus = LDG_STARTING;
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_SEND_REQUEST, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
return;
}
break;
case LDG_LDG:
/// if(dwInternetStatus == INTERNET_STATUS_REQUEST_COMPLETE)
if(dwInternetStatus == INTERNET_STATUS_REQUEST_COMPLETE &&
pOutQ->lNumRead != 0)
{
dprintf(("inetCallBackFn: TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, LDG_RDY));
pOutQ->iStatus = LDG_RDY;
}
else
return;
case LDG_START:
case LDG_RDY:
/// if(dwInternetStatus == INTERNET_STATUS_REQUEST_COMPLETE ||
/// dwInternetStatus == INTERNET_STATUS_REQUEST_SENT) // vmr
if(dwInternetStatus == INTERNET_STATUS_REQUEST_COMPLETE)
{
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_READ_FILE, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
return;
}
}
break;
case CONNECTING:
case REQUEST_OPENING:
case LDG_STARTING:
case LDG_DONE:
return;
default:
dprintf(("Bad iStatus=%d\n", pOutQ->iStatus));
return;
}
return;
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
BOOL DoInit(void)
{
hMaxDownloadSem = CreateSemaphore(NULL,dwMax_Simul_Downloads,dwMax_Simul_Downloads, NULL);
if(!hMaxDownloadSem) {
dprintf((" *** CreateSem failed!\n"));
return FALSE;
}
hInternet = InternetOpen(
NULL, //referrer
PRE_CONFIG_INTERNET_ACCESS, //access type
NULL, //proxy
0, //proxy bypass
#ifndef TEST
INTERNET_FLAG_ASYNC); //flags
#else
0);
#endif
if(!hInternet)
{
dprintf((" *** InternetOpen failed!\n"));
return FALSE;
}
#ifndef TEST
if(InternetSetStatusCallback(hInternet, inetCallBackFn) < 0)
{
dprintf((" setCallback Failed!\n"));
return FALSE;
}
#endif
return TRUE;
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
BOOL DoConnect(outQ *pOutQ)
{
INT iError;
DWORD dwAdded_Connect_Flags = 0;
if(lstrcmpi(pOutQ->pURLInfo->szRScheme, "https") == 0)
{
dwAdded_Connect_Flags = INTERNET_FLAG_SECURE;
}
pOutQ->hInetCon = InternetConnect(hInternet, //handle from internetOpen
pOutQ->pURLInfo->szRHost, //name of the server
pOutQ->pURLInfo->nPort, //name of the port
NULL, //username
NULL, //password
pOutQ->pURLInfo->nScheme, //service
dwInternet_Connect_Flags | dwAdded_Connect_Flags, //service specific flags
(DWORD) (pOutQ)); //context
if(pOutQ->hInetCon)
{
//it was synchronous (usually)
dprintf(("DoConnect: Sync connect TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, REQUEST_OPENING));
pOutQ->iStatus = REQUEST_OPENING;
if(!PostThreadMessage(g_dwMainThreadID, DOWNLOAD_OPEN_REQUEST, (WPARAM) pOutQ, 0))
{
iError = GetLastError();
dprintf(("error on PostThreadMessage[%d]\n", iError));
return FALSE;
}
}
else
{
if(GetLastError() != ERROR_IO_PENDING)
{
dprintf((" InternetConnect error\n"));
return FALSE;
}
dprintf(("DoConnect: Async connect TID=%x pOutQ=%x iStatus=%ld ->%ld->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, CONNECTED));
pOutQ->iStatus = CONNECTED;
}
return TRUE;
}
//----------------------------------------------------------------------------
// Procedure: DownloadThread
// Purpose: Opens internet connection and downloads URL. Saves
// URL to pOutQ (one chunk at a time).
// Arguments: outQ
// Return Val: TRUE or FALSE based on error
//----------------------------------------------------------------------------
DWORD DownloadThread(LPDWORD lpdwParam)
{
outQ *pOutQ = (outQ *) lpdwParam;
BOOL bRC = TRUE;
if(bRC = DoInit()) // create throttle semaphore, do InternetOpen & InternetSetStatusCallback
{
while(pOutQ)
{
//Only allow MAXURL downloads at one time
if(WaitForSingleObject(hMaxDownloadSem, TIMEOUT) == WAIT_TIMEOUT)
{
dprintf(("timeout on Sem\n"));
printf("Error: timeout on throttle semaphore\n");
}
pOutQ->iStatus = CONNECTING;
pOutQ->iPriority = LOW;
dprintf(("DownloadThread: TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pOutQ, pOutQ->iStatus, CONNECTING));
if(!(bRC = DoConnect(pOutQ)))
break;
pOutQ = pOutQ->pNext;
}
}
return((DWORD)bRC);
}
//==================================================================
void Display_Usage(char **argv)
{
printf("\nUsage: %s -fURLname [options]\n", argv[0]);
printf("\n -iInputFileName [options]\n");
printf("\n\t options:\n");
printf("\t\t -c - cache reads (flags ^= INTERNET_FLAG_RELOAD | INTERNET_FLAG_DONT_CACHE)\n");
printf("\t\t -c1 - force reload and cache reads (flags ^= INTERNET_FLAG_DONT_CACHE)\n");
printf("\t\t (flags default = INTERNET_FLAG_RELOAD | INTERNET_FLAG_DONT_CACHE | INTERNET_FLAG_EXISTING_CONNECT\n");
printf("\t\t -k - keep alive (flags |= INTERNET_FLAG_KEEP_CONNECTION)\n");
printf("\t\t -l - read buffer length\n");
printf("\t\t -m - maximum number of simultaneous downloads\n");
printf("\t\t -n## - number of times to download\n");
printf("\t\t -o - set INTERNET_FLAG_NO_COOKIES\n");
printf("\t\t -x - don't time first download\n");
printf("\t\t -s - run test in single threaded mode\n");
printf("\t\t -z - comma delimited format\n");
printf("\t\t -tStr - test name string (used on results output with -z)\n");
printf("\t\t -rStr - run# string (used on results output with -z)\n");
}
//==================================================================
BOOL Process_Command_Line(int argcIn, char **argvIn)
{
BOOL bRC = TRUE;
int argc = argcIn;
char **argv = argvIn;
DWORD dwLen = 0;
*g_CmdLine = '\0';
argv++; argc--;
while( argc > 0 && argv[0][0] == '-' )
{
switch (argv[0][1])
{
case 'c':
if(argv[0][2] == '1')
dwInternet_Open_Flags ^= INTERNET_FLAG_DONT_CACHE; // force reload & cache file
else
dwInternet_Open_Flags ^= INTERNET_FLAG_RELOAD | INTERNET_FLAG_DONT_CACHE; // cache file
break;
case 'k':
dwInternet_Open_Flags |= INTERNET_FLAG_KEEP_CONNECTION;
break;
case 'f':
pFilename = &argv[0][2];
break;
case 'i':
pInFile = &argv[0][2];
break;
case 'n':
dwNum_Opens = atoi(&argv[0][2]);
break;
case 'l':
dwBuf_Size = atoi(&argv[0][2]);
break;
case 'm':
dwMax_Simul_Downloads = atoi(&argv[0][2]);
break;
case 'o':
dwInternet_Open_Flags |= INTERNET_FLAG_NO_COOKIES;
break;
case 'r':
g_pRunStr = &argv[0][2];
break;
case 's':
g_bSingleThreaded = TRUE;
break;
case 't':
g_pTestName = &argv[0][2];
break;
case 'x':
g_bTimeFirstFile = FALSE;
break;
case 'z':
bDelim = TRUE;
break;
default:
Display_Usage(argvIn);
bRC = FALSE;
}
if(bRC)
{
dwLen += lstrlen(argv[0]) + 1; // length of arg and space
if(dwLen < ((sizeof(g_CmdLine)/sizeof(g_CmdLine[0]))-1))
{
lstrcat(g_CmdLine, ",");
lstrcat(g_CmdLine, argv[0]);
}
}
argv++; argc--;
}
if(!pFilename && !pInFile)
{
Display_Usage(argvIn);
bRC = FALSE;
}
return(bRC);
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
outQ *FillURLQueue(void)
{
outQ *pOutQ = NULL;
DWORD dwCnt = 0;
char szName[INTERNET_MAX_URL_LENGTH+1];
if(pFilename)
{
while(dwCnt++ < dwNum_Opens)
{
if((dwInternet_Open_Flags & (INTERNET_FLAG_RELOAD | INTERNET_FLAG_DONT_CACHE)) == (INTERNET_FLAG_RELOAD | INTERNET_FLAG_DONT_CACHE)) // Not Cached
lstrcpy(szName, pFilename);
else
wsprintf(szName, "%s.%d", pFilename, dwCnt);
pOutQ = fillOutQ(pOutQ, szName);
if(!pOutQ)
{
dprintf(("error filling outQ!\n"));
return NULL;
}
}
}
else if(pInFile) // Process input file
{
FILE *fp;
while(dwCnt++ < dwNum_Opens)
{
if((fp = fopen(pInFile, "r")) == NULL)
{
dprintf(("error opening file\n"));
return NULL;
}
while(fgets(szName, INTERNET_MAX_URL_LENGTH, fp) != NULL)
{
if(szName[0] != '#')
{
szName[strlen(szName) - sizeof(char)] = '\0';
pOutQ = fillOutQ(pOutQ, szName);
if(!pOutQ)
{
dprintf(("error filling outQ!\n"));
return NULL;
}
}
}
fclose(fp);
}
}
return(pOutQ);
}
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
BOOL ProcessMessage(MSG msg, outQ *pOutQ, outQ *pMsgOutQ)
{
float fKB;
float fSec;
float fKBSec;
switch(msg.message)
{
case DOWNLOAD_DONE:
dwTot_Time = dwEnd_Time - dwBegin_Time;
if(dwTot_Time == 0)
dwTot_Time = 1;
fKB = ((float)dwBytes_Read)/1024;
fSec = ((float)dwTot_Time)/1000;
fKBSec = fKB / fSec;
if(!bDelim)
{
dprintf(("TID=%X, %ld bytes in %ld real milliseconds = %2.0f KB/sec\r\n", GetCurrentThreadId(), dwBytes_Read, dwTot_Time, fKBSec));
printf("\r\nDownloaded: %s\r\n", pOutQ->pURLInfo->pURLName);
printf("%ld Reads, %ld Downloads, %ld Byte Read Buffer, %s, %s\r\n",
dwNum_Opens, dwMax_Simul_Downloads, dwBuf_Size, (dwInternet_Open_Flags & INTERNET_FLAG_DONT_CACHE) ?"Not Cached" :"Cached", (dwInternet_Open_Flags & INTERNET_FLAG_KEEP_CONNECTION) ?"KeepAlive" : "!KeepAlive");
printf("Read %ld Bytes in %ld Milliseconds = %2.0f KB/Sec\r\n", dwBytes_Read, dwTot_Time, fKBSec);
}
else
{
printf("%s, %s, %ld, %ld, %2.0f %s\r\n",
g_pTestName ?g_pTestName :"wininet",
g_pRunStr ?g_pRunStr :"1",
dwTot_Time,
dwBytes_Read,
fKBSec,
g_CmdLine
);
}
InternetCloseHandle(hInternet);
CloseHandle(hDownloadThread);
freeOutQMem(pOutQ);
return TRUE;
case DOWNLOAD_OPEN_REQUEST:
dprintf(("main: DOWNLOAD_OPEN_REQUEST msg\n"));
callOpenRequest(pMsgOutQ);
break;
case DOWNLOAD_SEND_REQUEST:
dprintf(("main: DOWNLOAD_SEND_REQUEST msg\n"));
callSendRequest(pMsgOutQ);
break;
case DOWNLOAD_READ_FILE:
dprintf(("main: DOWNLOAD_READ_FILE msg\n"));
callReadFile(pMsgOutQ);
break;
default:
dprintf(("no match for message\n"));
}
return FALSE;
}
//----------------------------------------------------------------------------
// Function: Main
// Purpose: main entry procedure
// Args: none
// RetVal: TRUE or FALSE based on error
//----------------------------------------------------------------------------
__cdecl main(INT argc, TCHAR *argv[])
{
outQ *pOutQ = NULL;
outQ *pMsgOutQ = NULL;
outQ *pQ = NULL;
MSG msg;
INT retVal;
DWORD dwResult;
HANDLE *pObjs = &hMaxDownloadSem;
g_hHeap = HeapCreate(0,1000000,0);
if(!g_hHeap)
return(FALSE);
if(!Process_Command_Line(argc, argv))
return FALSE;
generateInfo();
g_pUrlInfoCache.pHead = NULL;
if(!(pOutQ = FillURLQueue()))
return(FALSE);
if(g_bSingleThreaded)
{
if(!DoInit()) // create throttle semaphore, do InternetOpen & InternetSetStatusCallback
return FALSE;
pQ = pOutQ;
}
else
{
hDownloadThread = CreateThread(NULL,
0,
(LPTHREAD_START_ROUTINE)DownloadThread,
(LPVOID)pOutQ,
0,
&dwThreadID );
if (!hDownloadThread) {
dprintf(("Could not create Thread\n"));
return FALSE;
}
}
while(TRUE)
{
if(g_bSingleThreaded)
{
dwResult = MsgWaitForMultipleObjects(1, pObjs, FALSE, INFINITE, QS_ALLINPUT);
if(dwResult == (WAIT_OBJECT_0 + 1))
{
MSG msg;
while(PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
if(msg.message == WM_QUIT)
return(FALSE);
pMsgOutQ = (outQ *) msg.wParam;
ProcessMessage(msg, pOutQ, pMsgOutQ);
if(msg.message == DOWNLOAD_DONE)
return(TRUE);
}
}
else
{
// Semaphore is signaled so do next connect/download
if(pQ != NULL) // If there are still more downloads to do
{
pQ->iStatus = CONNECTING;
pQ->iPriority = LOW;
dprintf(("Download Main: TID=%x pOutQ=%x iStatus=%ld ->%ld\r\n", GetCurrentThreadId(), pQ, pQ->iStatus, CONNECTING));
if(!DoConnect(pQ))
break;
pQ = pQ->pNext;
}
}
}
else
{
retVal = GetMessage(&msg, NULL, 0, 0);
if(retVal == -1)
{
dprintf(("error on GetMessage\n"));
break;
}
if(retVal == FALSE)
{
msg.message = DOWNLOAD_DONE;
}
pMsgOutQ = (outQ *) msg.wParam;
ProcessMessage(msg, pOutQ, pMsgOutQ);
if(msg.message == DOWNLOAD_DONE)
return(TRUE);
}
}
dprintf(("exiting abnormally\n"));
return(FALSE);
}