I have function in c++ that requests to java servlets. It has parameter char* where function writes response. The symbols in this parameter are ok, except cyrillic ones. Example: Рванов Рван (in fact, it has to be: Иванов Иван)
But when I write this parameter to file, cyrillic symbols are OK as well. Example code:
ofstream outputFile;
outputFile.open("log.txt");
printf("Respond from servlet: %s", parameter);
Here is code of my function
int sendPostRequest(char *pszPostData, LPCTSTR servletUrl, char* resultBuffer, ofstream &outputFile) {
outputFile << "============== SENDING REEQUEST ====================" << endl;
HINTERNET hSession = WinHttpOpen(
userAgent,
WINHTTP_ACCESS_TYPE_NO_PROXY,
WINHTTP_NO_PROXY_NAME,
WINHTTP_NO_PROXY_BYPASS,
0);
if (!hSession)
{
_tprintf(_TEXT("Failed to open WinHTTP session: %ld\n"), GetLastError());
outputFile << "Failed to open WinHTTP session: %ld\n" << GetLastError() << endl;
return NULL;
}
else {
_tprintf(_TEXT("Oppening WinHTTP session successful: %ld\n"), GetLastError());
outputFile << "Oppening WinHTTP session successful: %ld\n" << GetLastError() << endl;
}
HINTERNET hConnect = WinHttpConnect(
hSession,
serverIP,
serverPort,
0);
if (!hConnect)
{
_tprintf(_TEXT("Failed to connect to server: %ld\n"), GetLastError());
outputFile << "Failed to connect to server: %ld\n" << GetLastError() << endl;
WinHttpCloseHandle(hSession);
return NULL;
}
else {
_tprintf(_TEXT("Connection to server successful: %ld\n"), GetLastError());
outputFile << "Connection to server successful: %ld\n" << GetLastError() << endl;
}
_tprintf(_TEXT("Post data : %ld\n"), pszPostData);
outputFile << "Post data : %ld\n" << pszPostData << endl;
DWORD dwDataLen = strlen(pszPostData);
HINTERNET hRequest = WinHttpOpenRequest(
hConnect,
_TEXT("POST"),
servletUrl,
NULL,
WINHTTP_NO_REFERER,
WINHTTP_DEFAULT_ACCEPT_TYPES,
WINHTTP_FLAG_REFRESH);
if (!hRequest)
{
_tprintf(_TEXT("Failed to open request: %ld\n"), GetLastError());
outputFile << "Failed to open request: %ld\n" << GetLastError() << endl;
WinHttpCloseHandle(hConnect);
WinHttpCloseHandle(hSession);
return -1;
}
else {
_tprintf(_TEXT("Opening request successful: %ld\n"), GetLastError());
outputFile << "Opening request successful: %ld\n" << GetLastError() << endl;
}
DWORD dwReqOpts = 0;
DWORD dwSize = sizeof(DWORD);
WinHttpSetOption(
hRequest,
WINHTTP_OPTION_SECURITY_FLAGS,
&dwReqOpts,
sizeof(DWORD));
BOOL done = false;
BOOL rc = WinHttpSendRequest(
hRequest,
contentTypeHeader,
-1,
(LPVOID)pszPostData,
dwDataLen,
dwDataLen,
NULL);
if (rc) {
rc = WinHttpReceiveResponse(hRequest, NULL);
_tprintf(_TEXT("Sending request successful: %ld\n"), GetLastError());
outputFile << "Sending request successful: %ld\n" << GetLastError() << endl;
}
else
{
_tprintf(_TEXT("Send request failed: %ld\n"), GetLastError());
outputFile << "Send request failed: %ld\n" << GetLastError() << endl;
WinHttpCloseHandle(hRequest);
WinHttpCloseHandle(hConnect);
WinHttpCloseHandle(hSession);
return -1;
}
// Get the status from the server
DWORD dwCode = 0;
if (rc)
{
rc = WinHttpQueryHeaders(
hRequest,
WINHTTP_QUERY_STATUS_CODE | WINHTTP_QUERY_FLAG_NUMBER,
NULL,
&dwCode,
&dwSize,
NULL);
}
if (dwCode != HTTP_STATUS_OK)
{
_tprintf(_TEXT("HTTP Request failed: %ld\n"), dwCode);
outputFile << "HTTP Request failed: %ld\n" << dwCode << endl;
WinHttpCloseHandle(hRequest);
WinHttpCloseHandle(hConnect);
WinHttpCloseHandle(hSession);
}
else
{
_tprintf(_TEXT("HTTP Request is ok: %ld\n"), dwCode);
outputFile << "HTTP Request is ok : %ld\n" << dwCode << endl;
// Keep reading from the remote server until there's nothing left to read
DWORD dwBytesToBeRead = 0, dwBytesRead = 0;
//char szBuffer[8192] = { 0 };
//strcpy(resultBuffer, "");
do
{
if (!WinHttpQueryDataAvailable(hRequest, &dwBytesToBeRead))
{
_tprintf(_TEXT("No data available from server? %ld"), GetLastError());
outputFile << "No data available from server? %ld" << GetLastError() << endl;
WinHttpCloseHandle(hRequest);
WinHttpCloseHandle(hConnect);
WinHttpCloseHandle(hSession);
return -1;
}
if (!WinHttpReadData(
hRequest,
//szBuffer,
resultBuffer,
//sizeof(szBuffer),
RESULT_BUFFER_SIZE,
&dwBytesRead))
{
_tprintf(_TEXT("Failed to read data from server: %ld"), GetLastError());
outputFile << "Failed to read data from server: %ld" << GetLastError() << endl;
WinHttpCloseHandle(hRequest);
WinHttpCloseHandle(hConnect);
WinHttpCloseHandle(hSession);
return -1;
}
if (dwBytesRead > 0)
{
//szBuffer[dwBytesRead] = 0;
resultBuffer[dwBytesRead] = 0; // NULL-terminated returned buffer
}
} while (dwBytesRead > 0);
WinHttpCloseHandle(hRequest);
WinHttpCloseHandle(hConnect);
WinHttpCloseHandle(hSession);
return 0;
}
return -1;
}
Where:
pszPostData - post request body
servletUrl - path to servlet, excluding protocol, ip address and port
resultBuffer have to be written by server response
outputFile - log-file