/// <summary>
/// Instantiate a one-time use Factory
/// </summary>
/// <param name="DescLocation">XML Description Uri</param>
/// <param name="MaxSeconds">Device Refresh Cycle</param>
/// <param name="deviceCB">Success Callback</param>
/// <param name="failedCB">Failure Callback</param>
public UPnPDeviceFactory(Uri DescLocation, int MaxSeconds, UPnPDeviceHandler deviceCB, UPnPDeviceFailedHandler failedCB, IPAddress localaddr, string usn)
{
httprequestor = new HttpRequestor();
httprequestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(httprequestor_OnRequestCompleted);
expected_usn = usn;
CBLock = new object();
OnDevice += deviceCB;
OnFailed2 += failedCB;
DUrl = DescLocation.ToString();
MaxAge = MaxSeconds;
this.localaddr = localaddr;
httprequestor.LaunchRequest(DescLocation.ToString(), null, null, null, null);
}
/// <summary>
/// Instantiate a one-time use Factory
/// </summary>
/// <param name="DescLocation">XML Description Uri</param>
/// <param name="MaxSeconds">Device Refresh Cycle</param>
/// <param name="deviceCB">Success Callback</param>
/// <param name="failedCB">Failure Callback</param>
public UPnPDeviceFactory(Uri DescLocation, int MaxSeconds, UPnPDeviceHandler deviceCB, UPnPDeviceFailedHandler failedCB, IPAddress localaddr, string usn)
{
OpenSource.Utilities.InstanceTracker.Add(this);
httprequestor = new HttpRequestor();
httprequestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(httprequestor_OnRequestCompleted);
expected_usn = usn;
CBLock = new object();
OnDevice += deviceCB;
OnFailed2 += failedCB;
DUrl = DescLocation.ToString();
MaxAge = MaxSeconds;
this.localaddr = localaddr;
httprequestor.LaunchRequest(DescLocation.ToString(), null, null, null, null);
}
/// <summary>
/// Instantiate a one-time use Factory
/// </summary>
/// <param name="DescLocation">XML Description Uri</param>
/// <param name="MaxSeconds">Device Refresh Cycle</param>
/// <param name="deviceCB">Success Callback</param>
/// <param name="failedCB">Failure Callback</param>
public UPnPDeviceFactory(Uri DescLocation, int MaxSeconds, UPnPDeviceHandler deviceCB, UPnPDeviceFailedHandler failedCB, IPAddress localaddr, string usn)
{
OpenSource.Utilities.InstanceTracker.Add(this);
httprequestor = new HttpRequestor();
httprequestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(httprequestor_OnRequestCompleted);
expected_usn = usn;
CBLock = new object();
OnDevice += deviceCB;
OnFailed2 += failedCB;
DUrl = DescLocation.ToString();
MaxAge = MaxSeconds;
this.localaddr = localaddr;
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.SuccessAudit, "Fetching Description");
httprequestor.LaunchRequest(DescLocation.ToString(), null, null, null, null);
}
public static void UpdateCheck(Form parent)
{
if (requestor != null)
{
return;
}
if (File.Exists(Application.StartupPath + "\\AutoUpdateTool.exe") == false)
{
return;
}
if (ReadUpdateSettings() == false)
{
return;
}
if (AllowAutoUpdate == false)
{
return;
}
parentform = parent;
requestor = new HttpRequestor();
requestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(requestor_OnRequestCompleted);
requestor.LaunchProxyRequest(updatelink, null, 1);
}
private void httprequestor_OnRequestCompleted(HttpRequestor sender, bool success, object tag, string url, byte[] data)
{
try
{
Exception fetchException = null;
if (url == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Url is empty");
if (TempDevice != null)
{
TempDevice = null;
}
return;
}
if (false == tolerateFailures)
{
if (!success)
{
int checkpoint = 0;
try
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Could not connect to target: " + url);
checkpoint = 1;
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception("Could not connect to target"), expected_usn);
}
checkpoint = 2;
if (TempDevice != null)
{
TempDevice = null;
}
checkpoint = 3;
}
catch (Exception ex)
{
OpenSource.Utilities.EventLogger.Log(ex);
ex.Data["v-success"] = success;
ex.Data["v-tag"] = tag;
ex.Data["v-url"] = url;
ex.Data["v-data"] = data;
ex.Data["checkpoint"] = checkpoint;
OpenSource.UPnP.AutoUpdate.ReportCrash(System.Windows.Forms.Application.ProductName, ex);
}
return;
}
if (data == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Data is empty");
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception("Data is empty"), expected_usn);
}
if (TempDevice != null)
{
TempDevice = null;
}
return;
}
}
else
{
if (!success)
{
fetchException = new Exception("HTTP: Could not connect to target: " + url);
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, fetchException.Message);
}
else if (data == null)
{
fetchException = new Exception("HTTP: Data is empty: " + url);
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, fetchException.Message);
}
}
string html = (data != null) ? UTF8Encoding.UTF8.GetString(data) : "";
if (tag != null)
{
bool IsOK = false;
lock (CBLock)
{
try
{
UPnPService service = (UPnPService)tag;
if (null == fetchException)
{
service.ParseSCPD(html, 0);
}
else
{
service.ErrorException = fetchException;
}
}
catch (Exception e)
{
OpenSource.Utilities.EventLogger.Log(e, "Invalid SCPD XML on device:\r\n Friendly: " + this.TempDevice.FriendlyName +
"\r\n Service: " + ((UPnPService)tag).ServiceURN +
"\r\n URL: " + url +
"\r\n XML:\r\n" + html +
"\r\n");
if (false == tolerateFailures)
{
return;
}
}
--ServiceNum;
if ((ServiceNum == 0) && (OnDevice != null))
{
IsOK = true;
}
}
if (IsOK == true)
{
TempDevice.descXmlLocation = new Uri(url);
UPnPDevice device = (null != expected_usn) ? TempDevice.GetDevice(expected_usn) : TempDevice;
OnDevice(this, device, new Uri(url));
TempDevice = null;
}
return;
}
try
{
if (null == fetchException)
{
TempDevice = UPnPDevice.Parse(html, new Uri(url), localaddr);
}
else
{
TempDevice = new UPnPDevice(fetchException, expected_usn, new Uri(url), localaddr);
}
}
catch (Exception ex)
{
OpenSource.Utilities.EventLogger.Log(ex, "UPnP Device Description XML parsing exception: URL=" + url);
if (false == tolerateFailures)
{
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception("UPnP Device Description XML parsing exception: URL=" + url), expected_usn);
}
if (TempDevice != null)
{
TempDevice = null;
}
}
return;
}
if (TempDevice == null)
{
//OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid UPnP Device Description: URL=" + url);
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception("Invalid UPnP Device Description XML @" + url), expected_usn);
}
return;
}
if (expected_usn != null && TempDevice.GetDevice(expected_usn) == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn));
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception(string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn)), expected_usn);
}
if (TempDevice != null)
{
TempDevice = null;
}
return;
}
TempDevice.LocationURL = url;
TempDevice.ExpirationTimeout = MaxAge;
if (TempDevice != null)
{
ServiceNum = FetchServiceCount(TempDevice);
if (ServiceNum == 0)
{
if (OnDevice != null)
{
OnDevice(this, TempDevice, new Uri(url));
TempDevice = null;
return;
}
}
FetchServiceDocuments(TempDevice);
}
}
catch (NullReferenceException ex)
{
// This happens often, so add data to this exception.
ex.Data["v-success"] = success;
ex.Data["v-tag"] = tag;
ex.Data["v-url"] = url;
ex.Data["v-data"] = data;
OpenSource.Utilities.EventLogger.Log(ex);
OpenSource.UPnP.AutoUpdate.ReportCrash(System.Windows.Forms.Application.ProductName, ex);
}
}
private void httprequestor_OnRequestCompleted(HttpRequestor sender, bool success, object tag, string url, byte[] data)
{
try
{
if (url == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Url is empty");
if (TempDevice != null) TempDevice = null;
return;
}
if (!success)
{
int checkpoint = 0;
try
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Could not connect to target: " + url);
checkpoint = 1;
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception("Could not connect to target"), expected_usn);
checkpoint = 2;
if (TempDevice != null) TempDevice = null;
checkpoint = 3;
}
catch (Exception ex)
{
OpenSource.Utilities.EventLogger.Log(ex);
ex.Data["v-success"] = success;
ex.Data["v-tag"] = tag;
ex.Data["v-url"] = url;
ex.Data["v-data"] = data;
ex.Data["checkpoint"] = checkpoint;
OpenSource.UPnP.AutoUpdate.ReportCrash(System.Windows.Forms.Application.ProductName, ex);
}
return;
}
if (data == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Data is empty");
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception("Data is empty"), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
string html = UTF8Encoding.UTF8.GetString(data);
if (tag != null)
{
bool IsOK = false;
lock (CBLock)
{
try
{
((UPnPService)tag).ParseSCPD(html,0);
}
catch (Exception e)
{
OpenSource.Utilities.EventLogger.Log(e, "Invalid SCPD XML on device:\r\n Friendly: " + this.TempDevice.FriendlyName +
"\r\n Service: " + ((UPnPService)tag).ServiceURN +
"\r\n URL: " + url +
"\r\n XML:\r\n" + html +
"\r\n");
return;
}
--ServiceNum;
if ((ServiceNum == 0) && (OnDevice != null)) IsOK = true;
}
if (IsOK == true)
{
TempDevice.descXmlLocation = new Uri(url);
OnDevice(this, TempDevice, new Uri(url));
TempDevice = null;
}
return;
}
try
{
TempDevice = UPnPDevice.Parse(html, new Uri(url), localaddr);
}
catch (Exception ex)
{
OpenSource.Utilities.EventLogger.Log(ex, "UPnP Device Description XML parsing exception: URL=" + url);
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception("UPnP Device Description XML parsing exception: URL=" + url), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
if (TempDevice == null)
{
//OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid UPnP Device Description: URL=" + url);
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception("Invalid UPnP Device Description XML @" + url), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
if (expected_usn != null && TempDevice.UniqueDeviceName != expected_usn)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn));
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception(string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn)), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
TempDevice.LocationURL = url;
TempDevice.ExpirationTimeout = MaxAge;
if (TempDevice != null)
{
ServiceNum = FetchServiceCount(TempDevice);
if (ServiceNum == 0)
{
if (OnDevice != null)
{
OnDevice(this, TempDevice, new Uri(url));
TempDevice = null;
return;
}
}
FetchServiceDocuments(TempDevice);
}
}
catch (NullReferenceException ex)
{
// This happens often, so add data to this exception.
ex.Data["v-success"] = success;
ex.Data["v-tag"] = tag;
ex.Data["v-url"] = url;
ex.Data["v-data"] = data;
OpenSource.Utilities.EventLogger.Log(ex);
OpenSource.UPnP.AutoUpdate.ReportCrash(System.Windows.Forms.Application.ProductName, ex);
}
}
private void httprequestor_OnRequestCompleted(HttpRequestor sender, bool success, object tag, string url, byte[] data)
{
if (!success)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Could not connect to target: " + url);
OnFailed2(this, new Uri(DUrl), new Exception("Could not connect to target"), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
if (data == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Data is empty");
OnFailed2(this, new Uri(DUrl), new Exception("Data is empty"), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
if (url == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Url is empty");
OnFailed2(this, new Uri(DUrl), new Exception("Url is empty"), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
string html = UTF8Encoding.UTF8.GetString(data);
if (tag != null)
{
bool IsOK = false;
lock (CBLock)
{
try
{
((UPnPService)tag).ParseSCPD(html);
}
catch (Exception e)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid SCPD XML on device:\r\n Friendly: " + this.TempDevice.FriendlyName + "\r\n Service: " + ((UPnPService)tag).ServiceURN + "\r\n @" + TempDevice.LocationURL);
OpenSource.Utilities.EventLogger.Log(e);
return;
}
--ServiceNum;
if ((ServiceNum == 0) && (OnDevice != null)) IsOK = true;
}
if (IsOK == true)
{
TempDevice.descXmlLocation = new Uri(DUrl);
OnDevice(this, TempDevice, new Uri(DUrl));
TempDevice = null;
}
return;
}
try
{
TempDevice = UPnPDevice.Parse(html, new Uri(DUrl), localaddr);
}
catch (Exception)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid Device Description XML @" + DUrl);
OnFailed2(this, new Uri(DUrl), new Exception("Invalid Device Description XML @" + DUrl), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
if (TempDevice == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid Device Description XML @" + DUrl);
OnFailed2(this, new Uri(DUrl), new Exception("Invalid Device Description XML @" + DUrl), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
if (expected_usn != null && TempDevice.UniqueDeviceName != expected_usn)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn));
OnFailed2(this, new Uri(DUrl), new Exception(string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn)), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
TempDevice.LocationURL = DUrl;
TempDevice.ExpirationTimeout = MaxAge;
if (TempDevice != null)
{
ServiceNum = FetchServiceCount(TempDevice);
if (ServiceNum == 0)
{
if (OnDevice != null)
{
OnDevice(this, TempDevice, new Uri(DUrl));
TempDevice = null;
return;
}
}
FetchServiceDocuments(TempDevice);
}
}
private static void requestor_OnRequestCompleted(HttpRequestor sender, bool success, object tag, string url, byte[] data)
{
if (success == true)
{
// Fetch version information
int newversion = 0;
string updatelink = null;
try
{
string page = UTF8Encoding.UTF8.GetString(data);
string x = "##" + updatecode.ToString() + "##";
x = x.ToUpper();
int i = page.IndexOf(x);
if (i == -1)
{
requestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(requestor_OnRequestCompleted);
requestor = null;
return;
}
page = page.Substring(i + x.Length);
i = page.IndexOf("##");
if (i == -1)
{
requestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(requestor_OnRequestCompleted);
requestor = null;
return;
}
string versionstr = page.Substring(0, i);
newversion = int.Parse(versionstr);
page = page.Substring(i + 2);
i = page.IndexOf("##");
if (i == -1)
{
requestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(requestor_OnRequestCompleted);
requestor = null;
return;
}
updatelink = page.Substring(0, i);
}
catch (Exception ex)
{
OpenSource.Utilities.EventLogger.Log(ex);
requestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(requestor_OnRequestCompleted);
requestor = null;
return;
}
// Compare to existing version
if (existingversion < newversion)
{
updateform = new AutoUpdate(newversion);
parentform.Invoke(new System.Threading.ThreadStart(ShowUpdateForm));
}
}
requestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(requestor_OnRequestCompleted);
requestor = null;
}
public static void UpdateCheck(Form parent)
{
if (requestor != null) return;
if (File.Exists(Application.StartupPath + "\\AutoUpdateTool.exe") == false) return;
if (ReadUpdateSettings() == false) return;
if (AllowAutoUpdate == false) return;
parentform = parent;
requestor = new HttpRequestor();
requestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(requestor_OnRequestCompleted);
requestor.LaunchProxyRequest(updatelink, null, 1);
}
void HandleIcon(HttpRequestor sender, bool success, object tag, string url, byte[] data)
{
InitialEventTable.Remove(sender);
if (success)
{
System.Drawing.Image i = System.Drawing.Image.FromStream(new MemoryStream(data));
if (i != null) _icon = i;
}
}
internal void FetchIcon(Uri IconUri)
{
HttpRequestor httprequestor = new HttpRequestor();
httprequestor.OnRequestCompleted += new HttpRequestor.RequestCompletedHandler(HandleIcon);
httprequestor.LaunchRequest(IconUri.ToString(), null, null, null, null);
InitialEventTable[httprequestor] = httprequestor;
}
private void httprequestor_OnRequestCompleted(HttpRequestor sender, bool success, object tag, string url, byte[] data)
{
try
{
if (url == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Url is empty");
if (TempDevice != null)
{
TempDevice = null;
}
return;
}
if (!success)
{
int checkpoint = 0;
try
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Could not connect to target: " + url);
checkpoint = 1;
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception("Could not connect to target"), expected_usn);
}
checkpoint = 2;
if (TempDevice != null)
{
TempDevice = null;
}
checkpoint = 3;
}
catch (Exception ex)
{
ex.Data["v-success"] = success;
ex.Data["v-tag"] = tag;
ex.Data["v-url"] = url;
ex.Data["v-data"] = data;
ex.Data["checkpoint"] = checkpoint;
OpenSource.UPnP.AutoUpdate.ReportCrash(System.Windows.Forms.Application.ProductName, ex);
}
return;
}
if (data == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Data is empty");
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception("Data is empty"), expected_usn);
}
if (TempDevice != null)
{
TempDevice = null;
}
return;
}
string html = UTF8Encoding.UTF8.GetString(data);
if (tag != null)
{
bool IsOK = false;
lock (CBLock)
{
try
{
((UPnPService)tag).ParseSCPD(html);
}
catch (Exception e)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid SCPD XML on device:\r\n Friendly: " + this.TempDevice.FriendlyName + "\r\n Service: " + ((UPnPService)tag).ServiceURN + "\r\n @" + TempDevice.LocationURL);
OpenSource.Utilities.EventLogger.Log(e);
// TODO: DONE Resilience case 5b - remove the faulty service from owning device, with a log message
((UPnPService)tag).ParentDevice.RemoveService((UPnPService)tag);
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Warning, "Dropping failed SCPD and the accompanying service from its parent device. Commencing parsing remainder of device");
//return; disabled, must continue parsing after logging error
}
--ServiceNum;
if ((ServiceNum == 0) && (OnDevice != null))
{
IsOK = true;
}
}
if (IsOK == true)
{
TempDevice.descXmlLocation = new Uri(url);
OnDevice(this, TempDevice, new Uri(url));
TempDevice = null;
}
return;
}
try
{
TempDevice = UPnPDevice.Parse(html, new Uri(url), localaddr);
}
catch (Exception)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid Device Description XML @" + url);
// TODO: DONE Resilience case 7 - if root device fails, no change, keep failing.
// when exceptions on elements are caught, then the device will still be created, yet incomplete as it is constructed
// without the failed elements.
// TODO: should the OnFailed handler then still be called? Would it break something if it doesn't?
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception("Invalid Device Description XML @" + url), expected_usn);
}
if (TempDevice != null)
{
TempDevice = null;
}
return;
}
if (TempDevice == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid Device Description XML @" + url);
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception("Invalid Device Description XML @" + url), expected_usn);
}
if (TempDevice != null)
{
TempDevice = null;
}
return;
}
if (expected_usn != null && TempDevice.UniqueDeviceName != expected_usn)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn));
if (OnFailed2 != null)
{
OnFailed2(this, new Uri(url), new Exception(string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn)), expected_usn);
}
if (TempDevice != null)
{
TempDevice = null;
}
return;
}
TempDevice.LocationURL = url;
TempDevice.ExpirationTimeout = MaxAge;
if (TempDevice != null)
{
ServiceNum = FetchServiceCount(TempDevice);
if (ServiceNum == 0)
{
// no service descriptions to wait for, we are complete. fire event is available
if (OnDevice != null)
{
OnDevice(this, TempDevice, new Uri(url));
TempDevice = null;
return;
}
}
FetchServiceDocuments(TempDevice);
}
}
catch (NullReferenceException ex)
{
// This happens often, so add data to this exception.
ex.Data["v-success"] = success;
ex.Data["v-tag"] = tag;
ex.Data["v-url"] = url;
ex.Data["v-data"] = data;
OpenSource.UPnP.AutoUpdate.ReportCrash(System.Windows.Forms.Application.ProductName, ex);
}
}
private void httprequestor_OnRequestCompleted(HttpRequestor sender, bool success, object tag, string url, byte[] data)
{
try
{
if (url == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Url is empty");
if (TempDevice != null) TempDevice = null;
return;
}
if (!success)
{
int checkpoint = 0;
try
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Could not connect to target: " + url);
checkpoint = 1;
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception("Could not connect to target"), expected_usn);
checkpoint = 2;
if (TempDevice != null) TempDevice = null;
checkpoint = 3;
}
catch (Exception ex)
{
ex.Data["v-success"] = success;
ex.Data["v-tag"] = tag;
ex.Data["v-url"] = url;
ex.Data["v-data"] = data;
ex.Data["checkpoint"] = checkpoint;
OpenSource.UPnP.AutoUpdate.ReportCrash(System.Windows.Forms.Application.ProductName, ex);
}
return;
}
if (data == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "HTTP: Data is empty");
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception("Data is empty"), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
string html = UTF8Encoding.UTF8.GetString(data);
if (tag != null)
{
bool IsOK = false;
lock (CBLock)
{
try
{
((UPnPService)tag).ParseSCPD(html);
}
catch (Exception e)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid SCPD XML on device:\r\n Friendly: " + this.TempDevice.FriendlyName + "\r\n Service: " + ((UPnPService)tag).ServiceURN + "\r\n @" + TempDevice.LocationURL);
OpenSource.Utilities.EventLogger.Log(e);
// TODO: DONE Resilience case 5b - remove the faulty service from owning device, with a log message
((UPnPService)tag).ParentDevice.RemoveService((UPnPService)tag);
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Warning, "Dropping failed SCPD and the accompanying service from its parent device. Commencing parsing remainder of device");
//return; disabled, must continue parsing after logging error
}
--ServiceNum;
if ((ServiceNum == 0) && (OnDevice != null)) IsOK = true;
}
if (IsOK == true)
{
TempDevice.descXmlLocation = new Uri(url);
OnDevice(this, TempDevice, new Uri(url));
TempDevice = null;
}
return;
}
try
{
TempDevice = UPnPDevice.Parse(html, new Uri(url), localaddr);
}
catch (Exception)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid Device Description XML @" + url);
// TODO: DONE Resilience case 7 - if root device fails, no change, keep failing.
// when exceptions on elements are caught, then the device will still be created, yet incomplete as it is constructed
// without the failed elements.
// TODO: should the OnFailed handler then still be called? Would it break something if it doesn't?
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception("Invalid Device Description XML @" + url), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
if (TempDevice == null)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, "Invalid Device Description XML @" + url);
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception("Invalid Device Description XML @" + url), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
if (expected_usn != null && TempDevice.UniqueDeviceName != expected_usn)
{
OpenSource.Utilities.EventLogger.Log(this, System.Diagnostics.EventLogEntryType.Error, string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn));
if (OnFailed2 != null) OnFailed2(this, new Uri(url), new Exception(string.Format("Unique ID mismatch between SSDP packet and device description: {0} / {1} ", TempDevice.UniqueDeviceName, expected_usn)), expected_usn);
if (TempDevice != null) TempDevice = null;
return;
}
TempDevice.LocationURL = url;
TempDevice.ExpirationTimeout = MaxAge;
if (TempDevice != null)
{
ServiceNum = FetchServiceCount(TempDevice);
if (ServiceNum == 0)
{
// no service descriptions to wait for, we are complete. fire event is available
if (OnDevice != null)
{
OnDevice(this, TempDevice, new Uri(url));
TempDevice = null;
return;
}
}
FetchServiceDocuments(TempDevice);
}
}
catch (NullReferenceException ex)
{
// This happens often, so add data to this exception.
ex.Data["v-success"] = success;
ex.Data["v-tag"] = tag;
ex.Data["v-url"] = url;
ex.Data["v-data"] = data;
OpenSource.UPnP.AutoUpdate.ReportCrash(System.Windows.Forms.Application.ProductName, ex);
}
}
