private async Task ProcessRequest(HttpListenerContext context, CancellationToken cancelRequest)
{
if (m_operations == null)
{
Interlocked.CompareExchange(ref m_operations, await PartitionOperations.CreateAsync(StateManager), null);
}
String output = null;
try {
HttpListenerRequest request = context.Request;
if (request.HttpMethod == "GET")
{
// Read request from client:
String jsonRpc = context.Request.QueryString["jsonrpc"];
// Process request to get response:
JsonRpcRequest jsonRequest = JsonRpcRequest.Parse(jsonRpc);
JsonRpcResponse jsonResponse = await jsonRequest.InvokeAsync(s_jsSerializer, m_operations, cancelRequest);
output = jsonResponse.ToString();
}
}
catch (Exception ex) { output = ex.ToString(); }
// Write response to client:
using (var response = context.Response) {
if (output != null)
{
response.AppendHeader("Access-Control-Allow-Origin", null);
Byte[] outBytes = Encoding.UTF8.GetBytes(output);
response.OutputStream.Write(outBytes, 0, outBytes.Length);
}
}
}
// My endpoint listener calls this method for each client request
private async Task ProcessInputRequest(HttpListenerContext context, CancellationToken cancelRequest)
{
String output = null;
if (firstTime)
{
firstTime = false; output = await PrimeAsync(m_selfUrl, cancelRequest);
}
try {
HttpListenerRequest request = context.Request;
foreach (String key in request.QueryString)
{
String queryValue = request.QueryString[key];
switch (key.ToLowerInvariant())
{
case "prime":
output = await PrimeAsync(m_selfUrl, cancelRequest);
break;
case "jsonrpc": // Process request to get response:
JsonRpcRequest jsonRequest = JsonRpcRequest.Parse(queryValue);
JsonRpcResponse jsonResponse = await jsonRequest.InvokeAsync(s_jsSerializer, m_operations, cancelRequest);
output = jsonResponse.ToString();
break;
}
}
}
catch (Exception ex) { output = ex.ToString(); }
// Write response to client:
using (var response = context.Response) {
if (output != null)
{
response.AppendHeader("Access-Control-Allow-Origin", null);
Byte[] outBytes = Encoding.UTF8.GetBytes(output);
response.OutputStream.Write(outBytes, 0, outBytes.Length);
}
}
}
