BOOL RemoveConnectionProxy(char* connectionNameStr = NULL)
{
INTERNET_PER_CONN_OPTION_LIST conn_options;
BOOL bReturn;
DWORD dwBufferSize = sizeof(conn_options);
conn_options.dwSize = dwBufferSize;
conn_options.pszConnection = (TCHAR*)connectionNameStr; //NULL - LAN
conn_options.dwOptionCount = 1;
conn_options.pOptions = new INTERNET_PER_CONN_OPTION[conn_options.dwOptionCount];
if(!conn_options.pOptions)
return FALSE;
conn_options.pOptions[0].dwOption = INTERNET_PER_CONN_FLAGS;
conn_options.pOptions[0].Value.dwValue = PROXY_TYPE_DIRECT ;
bReturn = InternetSetOptionA(NULL,INTERNET_OPTION_PER_CONNECTION_OPTION, &conn_options, dwBufferSize);
delete [] conn_options.pOptions;
InternetSetOptionA(NULL, INTERNET_OPTION_SETTINGS_CHANGED, NULL, 0);
InternetSetOptionA(NULL, INTERNET_OPTION_REFRESH , NULL, 0);
return bReturn;
}
bool TestWininet(std::string url){
HINTERNET hNet = InternetOpenA(NULL,
INTERNET_OPEN_TYPE_PRECONFIG,
NULL,
NULL,
0);
if (hNet == NULL)
{
std::cout << "InternetOpenA error :" << ::GetLastError() << std::endl;
return false;
}
// 默认TIMEOUT时间2秒
static DWORD dwTimeout = 2000;
static DWORD dwRetries = 3;
InternetSetOptionA(hNet, INTERNET_OPTION_CONNECT_TIMEOUT, &dwTimeout, sizeof(DWORD));
InternetSetOptionA(hNet, INTERNET_OPTION_CONNECT_RETRIES, &dwRetries, sizeof(DWORD));
HINTERNET hUrlFile = InternetOpenUrlA(hNet,
url.c_str(),
NULL,
0,
INTERNET_FLAG_NO_CACHE_WRITE | INTERNET_FLAG_RELOAD,
0);
if (hUrlFile == NULL)
{
std::cout << url << "InternetOpenUrlA error :" << ::GetLastError() << std::endl;
InternetCloseHandle(hNet);
return false;
}
InternetCloseHandle(hUrlFile);
InternetCloseHandle(hNet) ;
return true;
}
BOOL SetConnectionProxy( char * proxyAdressStr , char * connNameStr = NULL)
{
INTERNET_PER_CONN_OPTION_LIST conn_options;
BOOL bReturn;
DWORD dwBufferSize = sizeof(conn_options);
conn_options.dwSize = dwBufferSize;
conn_options.pszConnection = (TCHAR*)connNameStr;//NULL == LAN
conn_options.dwOptionCount = 3;
conn_options.pOptions = new INTERNET_PER_CONN_OPTION[3];
if(!conn_options.pOptions)
return FALSE;
conn_options.pOptions[0].dwOption = INTERNET_PER_CONN_FLAGS;
conn_options.pOptions[0].Value.dwValue = PROXY_TYPE_DIRECT|PROXY_TYPE_PROXY;
conn_options.pOptions[1].dwOption = INTERNET_PER_CONN_PROXY_SERVER;
conn_options.pOptions[1].Value.pszValue = (TCHAR*)proxyAdressStr;
conn_options.pOptions[2].dwOption = INTERNET_PER_CONN_PROXY_BYPASS;
conn_options.pOptions[2].Value.pszValue = (TCHAR*)"<local>";
bReturn = InternetSetOptionA(NULL,INTERNET_OPTION_PER_CONNECTION_OPTION, &conn_options, dwBufferSize);
delete [] conn_options.pOptions;
InternetSetOptionA(NULL, INTERNET_OPTION_SETTINGS_CHANGED, NULL, 0);
InternetSetOption(NULL, INTERNET_OPTION_REFRESH , NULL, 0);
return bReturn;
}
