public void Post(WWWRequest wwwRequest, WWWCallback callback)
{
WebRequest request = WebRequest.Create(wwwRequest.URL);
request.Method = "POST";
WWWAsynState state = new WWWAsynState(wwwRequest, callback, request);
StartRequest(state);
}
private void RequestStreamReady(IAsyncResult ar)
{
WWWAsynState state = ar.AsyncState as WWWAsynState;
string parametersJoined = state.WRequest.ParametersJoined;
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(parametersJoined);
Stream postStream = state.Request.EndGetRequestStream(ar);
postStream.Write(bytes, 0, bytes.Length);
postStream.Close();
state.Request.BeginGetResponse(new AsyncCallback(GetResponseCallback), state);
}
private void StartRequest(WWWAsynState state)
{
if (!string.IsNullOrEmpty(state.WRequest.Proxy))
{
state.WRequest.Parameters[WWWConsts.REQUEST_CONTENT_TYPE_PROXY] = state.WRequest.Init[WWWConsts.REQUEST_CONTENT_TYPE];
state.WRequest.Init[WWWConsts.REQUEST_CONTENT_TYPE] = "application/x-www-form-urlencoded";
}
IDictionaryEnumerator enumerator = state.WRequest.Init.GetEnumerator();
while (enumerator.MoveNext())
{
string key = (enumerator.Key is string) ? enumerator.Key as string : enumerator.Key.ToString();
string value = (enumerator.Value != null) ? enumerator.Value.ToString() : null;
if (!string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(value))
{
if (WWWConsts.REQUEST_CONTENT_TYPE.Equals(key))
{
if (value != null)
{
state.Request.ContentType = value;
}
}
else
{
try {
state.Request.Headers.Add(key, value);
} catch (Exception e) {
Logger.LogEceptionForce(new Exception(string.Format("key={0}, value={1}", key, value), e));
}
}
}
}
if ("POST".Equals(state.Request.Method))
{
state.Request.BeginGetRequestStream(new AsyncCallback(RequestStreamReady), state);
}
else
{
state.Request.BeginGetResponse(new AsyncCallback(GetResponseCallback), state);
}
}
private void GetResponseCallback(IAsyncResult ar)
{
WWWAsynState state = ar.AsyncState as WWWAsynState;
bool responseOk = true;
HttpWebResponse response = null;
try {
response = (HttpWebResponse)state.Request.EndGetResponse(ar);
} catch (WebException e) {
responseOk = false;
response = (HttpWebResponse)e.Response;
}
string text = null;
string error = null;
try {
StreamReader streamReader = new StreamReader(response.GetResponseStream());
text = streamReader.ReadToEnd();
streamReader.Close();
} catch (Exception ex) {
text = ex.ToString();
}
if (!responseOk)
{
error = string.Format("Error {0}: {1} ({2})", response.StatusCode, response.StatusDescription, state.Request.RequestUri);
}
if (state.Callback != null)
{
state.WRequest.Response.Text = text;
state.WRequest.Response.Error = error;
state.Callback(state.WRequest);
}
Logger.Log("state={0}", state.ToString());
}