/// <summary>
/// Send a HTTP request
/// </summary>
/// <param name="httpReq">HTTP request</param>
/// <returns>HTTP response</returns>
public HttpResponse Send(HttpRequest httpReq)
{
// check on parameter
if (httpReq == null)
{
throw new ArgumentNullException("HttpRequest cannot be null !");
}
// register write callaback for body request
httpReq.Body.Write = this.WriteBody;
// if Host is IP address
if (httpReq.Uri.HostNameType == UriHostNameType.IPv4)
{
this.hostIpEndPoint = new IPEndPoint(IPAddress.Parse(httpReq.Uri.Host), httpReq.Uri.Port);
}
// Host is DNS address
else
{
// resolve Host name by DNS
IPHostEntry hostEntry = Dns.GetHostEntry(httpReq.Uri.Host);
// check for the first address not null
// it seems that with .Net Micro Framework, the IPV6 addresses aren't supported and return "null"
int i = 0;
while (hostEntry.AddressList[i] == null)
{
i++;
}
this.hostIpEndPoint = new IPEndPoint(hostEntry.AddressList[i], httpReq.Uri.Port);
}
// add "Host" header
httpReq.Host = httpReq.Uri.Host + ":" + httpReq.Uri.Port;
// add "User-Agent" header
httpReq.UserAgent = HTTP_CLIENT_NAME;
// create socket and connect
this.socket = new Socket(this.hostIpEndPoint.Address.GetAddressFamily(), SocketType.Stream, ProtocolType.Tcp);
this.socket.Connect(this.hostIpEndPoint);
// send HTTP request (request line and headers)
this.buffer = Encoding.UTF8.GetBytes(httpReq.ToString());
this.socket.Send(this.buffer);
// raise event for allow client to send body request
this.OnSendBody(httpReq);
int received = 0;
this.buffer = new byte[BUFFER_SIZE];
HttpResponseParserResult result = HttpResponseParserResult.NotCompleted;
HttpResponseParser parser = new HttpResponseParser();
parser.ReceivingBody += parser_ReceivingBody;
// receive on socket until parse is complete or no data received
while ((result != HttpResponseParserResult.Completed) &&
this.socket.Poll(POLL_TIMEOUT, SelectMode.SelectRead))
{
// no data on the socket (closed or timeout)
if (this.socket.Available == 0)
{
break;
}
received = this.socket.Receive(this.buffer, BUFFER_SIZE, SocketFlags.None);
result = parser.Parse(this.buffer, received);
// if the HTTP response is malformed, break
if (result == HttpResponseParserResult.Malformed)
{
break;
}
}
// unregister write callaback for body request
httpReq.Body.Write = null;
// close connection
this.socket.Close();
return(parser.Response);
}
/// <summary>
/// Send a HTTP request
/// </summary>
/// <param name="httpReq">HTTP request</param>
/// <returns>HTTP response</returns>
public HttpResponse Send(HttpRequest httpReq)
{
// check on parameter
if (httpReq == null)
throw new ArgumentNullException("HttpRequest cannot be null !");
// register write callaback for body request
httpReq.Body.Write = this.WriteBody;
// if Host is IP address
if (httpReq.Uri.HostNameType == UriHostNameType.IPv4)
{
this.hostIpEndPoint = new IPEndPoint(IPAddress.Parse(httpReq.Uri.Host), httpReq.Uri.Port);
}
// Host is DNS address
else
{
// resolve Host name by DNS
IPHostEntry hostEntry = Dns.GetHostEntry(httpReq.Uri.Host);
// check for the first address not null
// it seems that with .Net Micro Framework, the IPV6 addresses aren't supported and return "null"
int i = 0;
while (hostEntry.AddressList[i] == null) i++;
this.hostIpEndPoint = new IPEndPoint(hostEntry.AddressList[i], httpReq.Uri.Port);
}
// add "Host" header
httpReq.Host = httpReq.Uri.Host + ":" + httpReq.Uri.Port;
// add "User-Agent" header
httpReq.UserAgent = HTTP_CLIENT_NAME;
// create socket and connect
this.socket = new Socket(this.hostIpEndPoint.Address.GetAddressFamily(), SocketType.Stream, ProtocolType.Tcp);
this.socket.Connect(this.hostIpEndPoint);
// send HTTP request (request line and headers)
this.buffer = Encoding.UTF8.GetBytes(httpReq.ToString());
this.socket.Send(this.buffer);
// raise event for allow client to send body request
this.OnSendBody(httpReq);
int received = 0;
this.buffer = new byte[BUFFER_SIZE];
HttpResponseParserResult result = HttpResponseParserResult.NotCompleted;
HttpResponseParser parser = new HttpResponseParser();
parser.ReceivingBody += parser_ReceivingBody;
// receive on socket until parse is complete or no data received
while ((result != HttpResponseParserResult.Completed) &&
this.socket.Poll(POLL_TIMEOUT, SelectMode.SelectRead))
{
// no data on the socket (closed or timeout)
if (this.socket.Available == 0)
break;
received = this.socket.Receive(this.buffer, BUFFER_SIZE, SocketFlags.None);
result = parser.Parse(this.buffer, received);
// if the HTTP response is malformed, break
if (result == HttpResponseParserResult.Malformed)
break;
}
// unregister write callaback for body request
httpReq.Body.Write = null;
// close connection
this.socket.Close();
return parser.Response;
}
