public WinHttpWebProxyFinder(AutoWebProxyScriptEngine engine)
: base(engine)
{
// Don't specify a user agent and dont' specify proxy settings. This is the same behavior WinHttp
// uses when downloading the PAC file.
session = UnsafeNclNativeMethods.WinHttp.WinHttpOpen(null,
UnsafeNclNativeMethods.WinHttp.AccessType.NoProxy, null, null, 0);
// Don't throw on error, just log the error information. This is consistent with how auto-proxy
// works: we never throw on error (discovery, download, execution errors).
if (session == null || session.IsInvalid)
{
int errorCode = GetLastWin32Error();
if (Logging.On) Logging.PrintError(Logging.Web, SR.GetString(SR.net_log_proxy_winhttp_cant_open_session, errorCode));
}
else
{
// The default download-timeout is 1 min.
// WinHTTP will use the sum of all four timeouts provided in WinHttpSetTimeouts as the
// actual timeout. Setting a value to 0 means "infinite".
// Since we don't provide the ability to specify finegrained timeouts like WinHttp does,
// we simply apply the configured timeout to all four WinHttp timeouts.
int timeout = SettingsSectionInternal.Section.DownloadTimeout;
if (!UnsafeNclNativeMethods.WinHttp.WinHttpSetTimeouts(session, timeout, timeout, timeout, timeout))
{
// We weren't able to set the timeouts. Just log and continue.
int errorCode = GetLastWin32Error();
if (Logging.On) Logging.PrintError(Logging.Web, SR.GetString(SR.net_log_proxy_winhttp_timeout_error, errorCode));
}
}
}
public WinHttpWebProxyFinder(AutoWebProxyScriptEngine engine)
: base(engine)
{
// Don't specify a user agent and dont' specify proxy settings. This is the same behavior WinHttp
// uses when downloading the PAC file.
session = UnsafeNclNativeMethods.WinHttp.WinHttpOpen(null,
UnsafeNclNativeMethods.WinHttp.AccessType.NoProxy, null, null, 0);
// Don't throw on error, just log the error information. This is consistent with how auto-proxy
// works: we never throw on error (discovery, download, execution errors).
if (session == null || session.IsInvalid)
{
int errorCode = GetLastWin32Error();
if (Logging.On)
{
Logging.PrintError(Logging.Web, SR.GetString(SR.net_log_proxy_winhttp_cant_open_session, errorCode));
}
}
else
{
// The default download-timeout is 1 min.
// WinHTTP will use the sum of all four timeouts provided in WinHttpSetTimeouts as the
// actual timeout. Setting a value to 0 means "infinite".
// Since we don't provide the ability to specify finegrained timeouts like WinHttp does,
// we simply apply the configured timeout to all four WinHttp timeouts.
int timeout = SettingsSectionInternal.Section.DownloadTimeout;
if (!UnsafeNclNativeMethods.WinHttp.WinHttpSetTimeouts(session, timeout, timeout, timeout, timeout))
{
// We weren't able to set the timeouts. Just log and continue.
int errorCode = GetLastWin32Error();
if (Logging.On)
{
Logging.PrintError(Logging.Web, SR.GetString(SR.net_log_proxy_winhttp_timeout_error, errorCode));
}
}
}
}
public WinHttpWebProxyFinder(AutoWebProxyScriptEngine engine) : base(engine)
{
this.session = UnsafeNclNativeMethods.WinHttp.WinHttpOpen(null, UnsafeNclNativeMethods.WinHttp.AccessType.NoProxy, null, null, 0);
if ((this.session == null) || this.session.IsInvalid)
{
int num = GetLastWin32Error();
if (Logging.On)
{
Logging.PrintError(Logging.Web, SR.GetString("net_log_proxy_winhttp_cant_open_session", new object[] { num }));
}
}
else
{
int downloadTimeout = SettingsSectionInternal.Section.DownloadTimeout;
if (!UnsafeNclNativeMethods.WinHttp.WinHttpSetTimeouts(this.session, downloadTimeout, downloadTimeout, downloadTimeout, downloadTimeout))
{
int num3 = GetLastWin32Error();
if (Logging.On)
{
Logging.PrintError(Logging.Web, SR.GetString("net_log_proxy_winhttp_timeout_error", new object[] { num3 }));
}
}
}
}
public WinHttpWebProxyFinder(AutoWebProxyScriptEngine engine) : base(engine)
{
this.session = UnsafeNclNativeMethods.WinHttp.WinHttpOpen(null, UnsafeNclNativeMethods.WinHttp.AccessType.NoProxy, null, null, 0);
if ((this.session == null) || this.session.IsInvalid)
{
int num = GetLastWin32Error();
if (Logging.On)
{
Logging.PrintError(Logging.Web, SR.GetString("net_log_proxy_winhttp_cant_open_session", new object[] { num }));
}
}
else
{
int downloadTimeout = SettingsSectionInternal.Section.DownloadTimeout;
if (!UnsafeNclNativeMethods.WinHttp.WinHttpSetTimeouts(this.session, downloadTimeout, downloadTimeout, downloadTimeout, downloadTimeout))
{
int num3 = GetLastWin32Error();
if (Logging.On)
{
Logging.PrintError(Logging.Web, SR.GetString("net_log_proxy_winhttp_timeout_error", new object[] { num3 }));
}
}
}
}
internal static extern bool WinHttpGetProxyForUrl(SafeInternetHandle session, string url,
[In] ref WINHTTP_AUTOPROXY_OPTIONS autoProxyOptions, out WINHTTP_PROXY_INFO proxyInfo);
internal static extern bool WinHttpSetTimeouts(SafeInternetHandle session, int resolveTimeout,
int connectTimeout, int sendTimeout, int receiveTimeout);
