//============================================================
// ICOMPARABLE IMPLEMENTATION
//============================================================
#region CompareTo(object obj)
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>A 32-bit signed integer that indicates the relative order of the objects being compared.</returns>
/// <exception cref="ArgumentException">The <paramref name="obj"/> is not the expected <see cref="Type"/>.</exception>
public int CompareTo(object obj)
{
//------------------------------------------------------------
// If target is a null reference, instance is greater
//------------------------------------------------------------
if (obj == null)
{
return(1);
}
//------------------------------------------------------------
// Determine comparison result using property state of objects
//------------------------------------------------------------
TrackbackResponse value = obj as TrackbackResponse;
if (value != null)
{
int result = String.Compare(this.ErrorMessage, value.ErrorMessage, StringComparison.OrdinalIgnoreCase);
result = result | this.HasError.CompareTo(value.HasError);
return(result);
}
else
{
throw new ArgumentException(String.Format(null, "obj is not of type {0}, type was found to be '{1}'.", this.GetType().FullName, obj.GetType().FullName), "obj");
}
}
/// <summary>
/// Called when a corresponding asynchronous send operation completes.
/// </summary>
/// <param name="result">The result of the asynchronous operation.</param>
private static void AsyncSendCallback(IAsyncResult result)
{
TrackbackResponse response = null;
WebRequest httpWebRequest = null;
TrackbackClient client = null;
Uri host = null;
TrackbackMessage message = null;
WebRequestOptions options = null;
object userToken = null;
if (result.IsCompleted)
{
object[] parameters = (object[])result.AsyncState;
httpWebRequest = parameters[0] as WebRequest;
client = parameters[1] as TrackbackClient;
host = parameters[2] as Uri;
message = parameters[3] as TrackbackMessage;
options = parameters[4] as WebRequestOptions;
userToken = parameters[5];
if (client != null)
{
WebResponse httpWebResponse = (WebResponse)httpWebRequest.EndGetResponse(result);
response = new TrackbackResponse(httpWebResponse);
client.OnMessageSent(new TrackbackMessageSentEventArgs(host, message, response, options, userToken));
client.SendOperationInProgress = false;
}
}
}
//============================================================
// CALLBACK DELEGATE METHODS
//============================================================
#region AsyncSendCallback(IAsyncResult result)
/// <summary>
/// Called when a corresponding asynchronous send operation completes.
/// </summary>
/// <param name="result">The result of the asynchronous operation.</param>
private static void AsyncSendCallback(IAsyncResult result)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
TrackbackResponse response = null;
WebRequest httpWebRequest = null;
TrackbackClient client = null;
Uri host = null;
TrackbackMessage message = null;
WebRequestOptions options = null;
object userToken = null;
//------------------------------------------------------------
// Determine if the async send operation completed
//------------------------------------------------------------
if (result.IsCompleted)
{
//------------------------------------------------------------
// Extract the send operations parameters from the user state
//------------------------------------------------------------
object[] parameters = (object[])result.AsyncState;
httpWebRequest = parameters[0] as WebRequest;
client = parameters[1] as TrackbackClient;
host = parameters[2] as Uri;
message = parameters[3] as TrackbackMessage;
options = parameters[4] as WebRequestOptions;
userToken = parameters[5];
//------------------------------------------------------------
// Verify expected parameters were found
//------------------------------------------------------------
if (client != null)
{
//------------------------------------------------------------
// Get the Trackback response to the Trackback ping request
//------------------------------------------------------------
WebResponse httpWebResponse = (WebResponse)httpWebRequest.EndGetResponse(result);
//------------------------------------------------------------
// Extract the Trackback response to the Trackback ping request
//------------------------------------------------------------
response = new TrackbackResponse(httpWebResponse);
//------------------------------------------------------------
// Raise SendCompleted event to notify registered handlers of state change
//------------------------------------------------------------
client.OnMessageSent(new TrackbackMessageSentEventArgs(host, message, response, options, userToken));
//------------------------------------------------------------
// Reset async operation in progress indicator
//------------------------------------------------------------
client.SendOperationInProgress = false;
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="TrackbackMessageSentEventArgs"/> class using the supplied parameters.
/// </summary>
/// <param name="host">A <see cref="Uri"/> that represents the URL of the host computer used for the XML-RPC transaction.</param>
/// <param name="message">An <see cref="TrackbackMessage"/> that represents the Trackback ping request payload.</param>
/// <param name="response">An <see cref="TrackbackResponse"/> that represents the response to the Trackback ping request.</param>
/// <param name="options">A <see cref="WebRequestOptions"/> that holds options that should be applied to web requests.</param>
/// <param name="state">A <see cref="Object"/> containing state information that was passed to the asynchronous send operation. This parameter may be <b>null</b>.</param>
/// <exception cref="ArgumentNullException">The <paramref name="host"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="message"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="response"/> is a null reference (Nothing in Visual Basic).</exception>
public TrackbackMessageSentEventArgs(Uri host, TrackbackMessage message, TrackbackResponse response, WebRequestOptions options, Object state)
{
Guard.ArgumentNotNull(host, "host");
Guard.ArgumentNotNull(message, "message");
Guard.ArgumentNotNull(response, "response");
eventHost = host;
eventMessage = message;
eventResponse = response;
eventOptions = options ?? new WebRequestOptions();
eventUserToken = state;
}
/// <summary>
/// Initializes a new instance of the <see cref="TrackbackMessageSentEventArgs"/> class using the supplied parameters.
/// </summary>
/// <param name="host">A <see cref="Uri"/> that represents the URL of the host computer used for the XML-RPC transaction.</param>
/// <param name="message">An <see cref="TrackbackMessage"/> that represents the Trackback ping request payload.</param>
/// <param name="response">An <see cref="TrackbackResponse"/> that represents the response to the Trackback ping request.</param>
/// <param name="credentials">A <see cref="ICredentials"/> that represents the authentication credentials utilized by the client when making the Trackback ping request. This parameter may be <b>null</b>.</param>
/// <param name="proxy">A <see cref="IWebProxy"/> that represents the web proxy utilized by the client to proxy the Trackback ping request. This parameter may be <b>null</b>.</param>
/// <param name="state">A <see cref="Object"/> containing state information that was passed to the asynchronous send operation. This parameter may be <b>null</b>.</param>
/// <exception cref="ArgumentNullException">The <paramref name="host"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="message"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="response"/> is a null reference (Nothing in Visual Basic).</exception>
public TrackbackMessageSentEventArgs(Uri host, TrackbackMessage message, TrackbackResponse response, ICredentials credentials, IWebProxy proxy, Object state)
{
Guard.ArgumentNotNull(host, "host");
Guard.ArgumentNotNull(message, "message");
Guard.ArgumentNotNull(response, "response");
eventHost = host;
eventMessage = message;
eventResponse = response;
eventOptions = new WebRequestOptions(credentials, proxy);
eventUserToken = state;
}
/// <summary>
/// Initializes a new instance of the <see cref="TrackbackMessageSentEventArgs"/> class using the supplied parameters.
/// </summary>
/// <param name="host">A <see cref="Uri"/> that represents the URL of the host computer used for the XML-RPC transaction.</param>
/// <param name="message">An <see cref="TrackbackMessage"/> that represents the Trackback ping request payload.</param>
/// <param name="response">An <see cref="TrackbackResponse"/> that represents the response to the Trackback ping request.</param>
/// <param name="credentials">A <see cref="ICredentials"/> that represents the authentication credentials utilized by the client when making the Trackback ping request. This parameter may be <b>null</b>.</param>
/// <param name="proxy">A <see cref="IWebProxy"/> that represents the web proxy utilized by the client to proxy the Trackback ping request. This parameter may be <b>null</b>.</param>
/// <param name="state">A <see cref="Object"/> containing state information that was passed to the asynchronous send operation. This parameter may be <b>null</b>.</param>
/// <exception cref="ArgumentNullException">The <paramref name="host"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="message"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="response"/> is a null reference (Nothing in Visual Basic).</exception>
public TrackbackMessageSentEventArgs(Uri host, TrackbackMessage message, TrackbackResponse response, ICredentials credentials, IWebProxy proxy, Object state)
{
//------------------------------------------------------------
// Validate parameters
//------------------------------------------------------------
Guard.ArgumentNotNull(host, "host");
Guard.ArgumentNotNull(message, "message");
Guard.ArgumentNotNull(response, "response");
//------------------------------------------------------------
// Initialize class members
//------------------------------------------------------------
eventHost = host;
eventMessage = message;
eventResponse = response;
eventOptions = new WebRequestOptions(credentials, proxy);
eventUserToken = state;
}
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>A 32-bit signed integer that indicates the relative order of the objects being compared.</returns>
/// <exception cref="ArgumentException">The <paramref name="obj"/> is not the expected <see cref="Type"/>.</exception>
public int CompareTo(object obj)
{
if (obj == null)
{
return(1);
}
TrackbackResponse value = obj as TrackbackResponse;
if (value != null)
{
int result = String.Compare(this.ErrorMessage, value.ErrorMessage, StringComparison.OrdinalIgnoreCase);
result = result | this.HasError.CompareTo(value.HasError);
return(result);
}
else
{
throw new ArgumentException(String.Format(null, "obj is not of type {0}, type was found to be '{1}'.", this.GetType().FullName, obj.GetType().FullName), "obj");
}
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Send(TrackbackMessage message)
/// <summary>
/// Sends the specified message to a Trackback server to execute an Trackback ping request.
/// </summary>
/// <param name="message">A <see cref="TrackbackMessage"/> that represents the information needed to execute the Trackback ping request.</param>
/// <returns>A <see cref="TrackbackResponse"/> that represents the server's response to the Trackback ping request.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="message"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="InvalidOperationException">The <see cref="Host"/> is a <b>null</b> reference (Nothing in Visual Basic).</exception>
/// <exception cref="InvalidOperationException">This <see cref="TrackbackClient"/> has a <see cref="SendAsync(TrackbackMessage, Object)"/> call in progress.</exception>
public TrackbackResponse Send(TrackbackMessage message)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
TrackbackResponse response = null;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(message, "message");
//------------------------------------------------------------
// Validate client state
//------------------------------------------------------------
if (this.Host == null)
{
throw new InvalidOperationException(String.Format(null, "Unable to send Trackback message. The Host property has not been initialized. \n\r Message payload: {0}", message));
}
else if (this.SendOperationInProgress)
{
throw new InvalidOperationException(String.Format(null, "Unable to send Trackback message. The TrackbackClient has a SendAsync call in progress. \n\r Message payload: {0}", message));
}
//------------------------------------------------------------
// Execute the Trackback ping request
//------------------------------------------------------------
WebRequest webRequest = TrackbackClient.CreateWebRequest(this.Host, this.UserAgent, message, this.UseDefaultCredentials, this.clientOptions);
using (WebResponse webResponse = (WebResponse)webRequest.GetResponse())
{
response = new TrackbackResponse(webResponse);
}
return(response);
}
/// <summary>
/// Called when a corresponding asynchronous send operation completes.
/// </summary>
/// <param name="result">The result of the asynchronous operation.</param>
private static void AsyncSendCallback(IAsyncResult result)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
TrackbackResponse response = null;
WebRequest httpWebRequest = null;
TrackbackClient client = null;
Uri host = null;
TrackbackMessage message = null;
WebRequestOptions options = null;
object userToken = null;
//------------------------------------------------------------
// Determine if the async send operation completed
//------------------------------------------------------------
if (result.IsCompleted)
{
//------------------------------------------------------------
// Extract the send operations parameters from the user state
//------------------------------------------------------------
object[] parameters = (object[])result.AsyncState;
httpWebRequest = parameters[0] as WebRequest;
client = parameters[1] as TrackbackClient;
host = parameters[2] as Uri;
message = parameters[3] as TrackbackMessage;
options = parameters[4] as WebRequestOptions;
userToken = parameters[5];
//------------------------------------------------------------
// Verify expected parameters were found
//------------------------------------------------------------
if (client != null)
{
//------------------------------------------------------------
// Get the Trackback response to the Trackback ping request
//------------------------------------------------------------
WebResponse httpWebResponse = (WebResponse)httpWebRequest.EndGetResponse(result);
//------------------------------------------------------------
// Extract the Trackback response to the Trackback ping request
//------------------------------------------------------------
response = new TrackbackResponse(httpWebResponse);
//------------------------------------------------------------
// Raise SendCompleted event to notify registered handlers of state change
//------------------------------------------------------------
client.OnMessageSent(new TrackbackMessageSentEventArgs(host, message, response, options, userToken));
//------------------------------------------------------------
// Reset async operation in progress indicator
//------------------------------------------------------------
client.SendOperationInProgress = false;
}
}
}
/// <summary>
/// Sends the specified message to a Trackback server to execute an Trackback ping request.
/// </summary>
/// <param name="message">A <see cref="TrackbackMessage"/> that represents the information needed to execute the Trackback ping request.</param>
/// <returns>A <see cref="TrackbackResponse"/> that represents the server's response to the Trackback ping request.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="message"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="InvalidOperationException">The <see cref="Host"/> is a <b>null</b> reference (Nothing in Visual Basic).</exception>
/// <exception cref="InvalidOperationException">This <see cref="TrackbackClient"/> has a <see cref="SendAsync(TrackbackMessage, Object)"/> call in progress.</exception>
public TrackbackResponse Send(TrackbackMessage message)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
TrackbackResponse response = null;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(message, "message");
//------------------------------------------------------------
// Validate client state
//------------------------------------------------------------
if(this.Host == null)
{
throw new InvalidOperationException(String.Format(null, "Unable to send Trackback message. The Host property has not been initialized. \n\r Message payload: {0}", message));
}
else if (this.SendOperationInProgress)
{
throw new InvalidOperationException(String.Format(null, "Unable to send Trackback message. The TrackbackClient has a SendAsync call in progress. \n\r Message payload: {0}", message));
}
//------------------------------------------------------------
// Execute the Trackback ping request
//------------------------------------------------------------
WebRequest webRequest = TrackbackClient.CreateWebRequest(this.Host, this.UserAgent, message, this.UseDefaultCredentials, this.clientOptions);
using (WebResponse webResponse = (WebResponse)webRequest.GetResponse())
{
response = new TrackbackResponse(webResponse);
}
return response;
}
/// <summary>
/// Initializes a new instance of the <see cref="TrackbackMessageSentEventArgs"/> class using the supplied parameters.
/// </summary>
/// <param name="host">A <see cref="Uri"/> that represents the URL of the host computer used for the XML-RPC transaction.</param>
/// <param name="message">An <see cref="TrackbackMessage"/> that represents the Trackback ping request payload.</param>
/// <param name="response">An <see cref="TrackbackResponse"/> that represents the response to the Trackback ping request.</param>
/// <param name="credentials">A <see cref="ICredentials"/> that represents the authentication credentials utilized by the client when making the Trackback ping request. This parameter may be <b>null</b>.</param>
/// <param name="proxy">A <see cref="IWebProxy"/> that represents the web proxy utilized by the client to proxy the Trackback ping request. This parameter may be <b>null</b>.</param>
/// <param name="state">A <see cref="Object"/> containing state information that was passed to the asynchronous send operation. This parameter may be <b>null</b>.</param>
/// <exception cref="ArgumentNullException">The <paramref name="host"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="message"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="response"/> is a null reference (Nothing in Visual Basic).</exception>
public TrackbackMessageSentEventArgs(Uri host, TrackbackMessage message, TrackbackResponse response, ICredentials credentials, IWebProxy proxy, Object state)
{
//------------------------------------------------------------
// Validate parameters
//------------------------------------------------------------
Guard.ArgumentNotNull(host, "host");
Guard.ArgumentNotNull(message, "message");
Guard.ArgumentNotNull(response, "response");
//------------------------------------------------------------
// Initialize class members
//------------------------------------------------------------
eventHost = host;
eventMessage = message;
eventResponse = response;
eventOptions = new WebRequestOptions(credentials, proxy);
eventUserToken = state;
}