void WriteResponseForPostJson(HttpRequest request, HttpResponse response)
{
// read request json
int requestedCount;
using (var dom = JsonObject.Parse(request.Body)) {
requestedCount = (int)dom["Count"];
}
// write response JSON
var jsonWriter = new JsonWriter<ResponseFormatter>(response.Body, prettyPrint: false);
jsonWriter.WriteObjectStart();
jsonWriter.WriteArrayStart();
for (int i = 0; i < requestedCount; i++)
{
jsonWriter.WriteString("hello!");
}
jsonWriter.WriteArrayEnd();
jsonWriter.WriteObjectEnd();
// write headers
var headers = response.Headers;
headers.AppendHttpStatusLine(HttpVersion.V1_1, 200, new Utf8String("OK"));
headers.Append("Content-Length : ");
headers.Append(response.Body.WrittenBytes);
headers.AppendHttpNewLine();
headers.Append("Content-Type : text/plain; charset=UTF-8");
headers.AppendHttpNewLine();
headers.Append("Server : .NET Core Sample Server");
headers.AppendHttpNewLine();
headers.Append("Date : ");
headers.Append(DateTime.UtcNow, 'R');
headers.AppendHttpNewLine();
headers.AppendHttpNewLine();
}
protected override void WriteResponse(HttpRequest request, HttpResponse response)
{
if (!Apis.TryHandle(request, response))
{
WriteResponseFor404(request, response);
}
}
protected virtual void ProcessRequest(TcpConnection socket)
{
Log.LogVerbose("Processing Request");
var requestBuffer = s_pool.Rent(RequestBufferSize);
var requestByteCount = socket.Receive(requestBuffer);
if(requestByteCount == 0) {
socket.Close();
return;
}
var requestBytes = requestBuffer.Slice(0, requestByteCount);
var request = HttpRequest.Parse(requestBytes);
Log.LogRequest(request);
using (var response = new HttpResponse(1024)) {
WriteResponse(request, response);
s_pool.Return(requestBuffer);
foreach(var segment in response.Headers) {
socket.Send(segment);
}
foreach (var segment in response.Body) {
socket.Send(segment);
}
socket.Close();
}
if (Log.IsVerbose)
{
Log.LogMessage(Log.Level.Verbose, "Request Processed and Response Sent", DateTime.UtcNow.Ticks);
}
}
static void WriteResponseForHelloWorld(HttpRequest request, HttpResponse response)
{
response.Body.Append("Hello, World");
response.Headers.AppendHttpStatusLine(HttpVersion.V1_1, 200, new Utf8String("OK"));
response.Headers.Append("Content-Length : ");
response.Headers.Append(response.Body.WrittenBytes);
response.Headers.AppendHttpNewLine();
response.Headers.Append("Content-Type : text/plain; charset=UTF-8");
response.Headers.AppendHttpNewLine();
response.Headers.Append("Server : .NET Core Sample Server");
response.Headers.AppendHttpNewLine();
response.Headers.Append("Date : ");
response.Headers.Append(DateTime.UtcNow, 'R');
response.Headers.AppendHttpNewLine();
response.Headers.AppendHttpNewLine();
}
protected virtual void ProcessRequest(TcpConnection socket)
{
Log.LogVerbose("Processing Request");
var requestBuffer = s_pool.Rent(RequestBufferSize);
var requestByteCount = socket.Receive(requestBuffer);
if(requestByteCount == 0) {
socket.Close();
return;
}
var requestBytes = requestBuffer.Slice(0, requestByteCount);
var request = HttpRequest.Parse(requestBytes);
Log.LogRequest(request);
using (var responseData = new ResponseBuffer()) {
var response = new HttpResponse(responseData);
WriteResponse(request, response);
s_pool.Return(requestBuffer);
// TODO: this whole thing about segment order is very bad. It needs to be designed.
for (int index = 0; index < responseData.Count; index++) {
var segment = responseData[index];
if (segment.Id == 2) {
socket.Send(segment.Commited);
}
}
for (int index = 0; index < responseData.Count; index++) {
var segment = responseData[index];
if (segment.Id == 1) {
socket.Send(segment.Commited);
}
}
socket.Close();
}
if (Log.IsVerbose)
{
Log.LogMessage(Log.Level.Verbose, "Request Processed and Response Sent", DateTime.UtcNow.Ticks);
}
}
protected abstract void WriteResponse(HttpRequest request, HttpResponse response);
// TODO: this is not a very general purpose routine. Maybe should not be in this base class?
protected static void WriteCommonHeaders(
HttpResponse formatter,
HttpVersion version,
int statuCode,
string reasonCode,
bool keepAlive)
{
var currentTime = DateTime.UtcNow;
formatter.Headers.AppendHttpStatusLine(version, statuCode, new Utf8String(reasonCode));
formatter.Headers.Append(new Utf8String("Date : ")); formatter.Headers.Append(currentTime, 'R');
formatter.Headers.AppendHttpNewLine();
formatter.Headers.Append("Server : .NET Core Sample Server");
formatter.Headers.AppendHttpNewLine();
formatter.Headers.Append("Content-Type : text/html; charset=UTF-8");
formatter.Headers.AppendHttpNewLine();
if (!keepAlive)
{
formatter.Headers.Append("Connection : close");
}
}
protected virtual void WriteResponseFor404(HttpRequest request, HttpResponse response) // Not Found
{
Log.LogMessage(Log.Level.Warning, "Request {0}, Response: 404 Not Found", request.RequestLine);
WriteCommonHeaders(response, HttpVersion.V1_1, 404, "Not Found", false);
response.Headers.Append(HttpNewline);
}
protected virtual void WriteResponseFor400(Span<byte> requestBytes, HttpResponse response) // Bad Request
{
Log.LogMessage(Log.Level.Warning, "Request {0}, Response: 400 Bad Request", requestBytes.Length);
WriteCommonHeaders(response, HttpVersion.V1_1, 400, "Bad Request", false);
response.Headers.Append(HttpNewline);
}
static void WriteResponseForGetTime(HttpRequest request, HttpResponse response)
{
response.Body.Format(@"<html><head><title>Time</title></head><body>{0:O}</body></html>", DateTime.UtcNow);
WriteCommonHeaders(response, HttpVersion.V1_1, 200, "OK", keepAlive: false);
response.Headers.Append("Content-Length : ");
response.Headers.Append(response.Body.WrittenBytes);
response.Headers.AppendHttpNewLine();
response.Headers.AppendHttpNewLine();
}
