C# OSHttpResponse.Send方法代码示例

        internal void DoHTTPGruntWork(BaseHttpServer server, Hashtable responsedata)
        {
            OSHttpResponse response
                = new OSHttpResponse(new HttpResponse(HttpContext, Request), HttpContext);

            byte[] buffer = server.DoHTTPGruntWork(responsedata, response);

            response.SendChunked = false;
            response.ContentLength64 = buffer.Length;
            response.ContentEncoding = Encoding.UTF8;

            try
            {
                response.OutputStream.Write(buffer, 0, buffer.Length);
            }
            catch (Exception ex)
            {
                m_log.Warn(string.Format("[POLL SERVICE WORKER THREAD]: Error ", ex));
            }
            finally
            {
                //response.OutputStream.Close();
                try
                {
                    response.OutputStream.Flush();
                    response.Send();

                    //if (!response.KeepAlive && response.ReuseContext)
                    //    response.FreeContext();
                }
                catch (Exception e)
                {
                    m_log.Warn(String.Format("[POLL SERVICE WORKER THREAD]: Error ", e));
                }

                PollServiceArgs.RequestsHandled++;
            }
        }

        internal void DoHTTPGruntWork(Hashtable responsedata, OSHttpResponse response)
        {
            //m_log.Info("[BASE HTTP SERVER]: Doing HTTP Grunt work with response");
            int responsecode = (int)responsedata["int_response_code"];
            string responseString = (string)responsedata["str_response_string"];
            string contentType = (string)responsedata["content_type"];


            if (responsedata.ContainsKey("error_status_text"))
            {
                response.StatusDescription = (string)responsedata["error_status_text"];
            }
            if (responsedata.ContainsKey("http_protocol_version"))
            {
                response.ProtocolVersion = (string)responsedata["http_protocol_version"];
            }

            if (responsedata.ContainsKey("keepalive"))
            {
                bool keepalive = (bool)responsedata["keepalive"];
                response.KeepAlive = keepalive;

            }

            if (responsedata.ContainsKey("reusecontext"))
                response.ReuseContext = (bool) responsedata["reusecontext"];

            // Cross-Origin Resource Sharing with simple requests
            if (responsedata.ContainsKey("access_control_allow_origin"))
                response.AddHeader("Access-Control-Allow-Origin", (string)responsedata["access_control_allow_origin"]);

            //Even though only one other part of the entire code uses HTTPHandlers, we shouldn't expect this
            //and should check for NullReferenceExceptions

            if (string.IsNullOrEmpty(contentType))
            {
                contentType = "text/html";
            }

            // The client ignores anything but 200 here for web login, so ensure that this is 200 for that

            response.StatusCode = responsecode;

            if (responsecode == (int)OSHttpStatusCode.RedirectMovedPermanently)
            {
                response.RedirectLocation = (string)responsedata["str_redirect_location"];
                response.StatusCode = responsecode;
            }

            response.AddHeader("Content-Type", contentType);

            byte[] buffer;

            if (!(contentType.Contains("image")
                || contentType.Contains("x-shockwave-flash")
                || contentType.Contains("application/x-oar")
                || contentType.Contains("application/vnd.ll.mesh")))
            {
                // Text
                buffer = Encoding.UTF8.GetBytes(responseString);
            }
            else
            {
                // Binary!
                buffer = Convert.FromBase64String(responseString);
            }

            response.SendChunked = false;
            response.ContentLength64 = buffer.Length;
            response.ContentEncoding = Encoding.UTF8;

            try
            {
                response.OutputStream.Write(buffer, 0, buffer.Length);
            }
            catch (Exception ex)
            {
                m_log.Warn("[HTTPD]: Error - " + ex.Message);
            }
            finally
            {
                //response.OutputStream.Close();
                try
                {
                    response.OutputStream.Flush();
                    response.Send();

                    //if (!response.KeepAlive && response.ReuseContext)
                    //    response.FreeContext();
                }
                catch (SocketException e)
                {
                    // This has to be here to prevent a Linux/Mono crash
                    m_log.WarnFormat("[BASE HTTP SERVER]: XmlRpcRequest issue {0}.\nNOTE: this may be spurious on Linux.", e);
                }
                catch (IOException e)
                {
                    m_log.Warn("[BASE HTTP SERVER]: XmlRpcRequest issue: " + e.Message);
                }
            }
//.........这里部分代码省略.........

        /// <summary>
        /// A specific agent handler was provided. Such a handler is expecetd to have an
        /// intimate, and highly specific relationship with the client. Consequently,
        /// nothing is done here.
        /// </summary>
        /// <param name="handler"></param>
        /// <param name="request"></param>
        /// <param name="response"></param>

        private bool HandleAgentRequest(IHttpAgentHandler handler, OSHttpRequest request, OSHttpResponse response)
        {
            // In the case of REST, then handler is responsible for ALL aspects of
            // the request/response handling. Nothing is done here, not even encoding.

            try
            {
                return handler.Handle(request, response);
            }
            catch (Exception e)
            {
                // If the handler did in fact close the stream, then this will blow
                // chunks. So that that doesn't disturb anybody we throw away any
                // and all exceptions raised. We've done our best to release the
                // client.
                try
                {
                    m_log.Warn("[HTTP-AGENT]: Error - " + e.Message);
                    response.SendChunked   = false;
                    response.KeepAlive     = true;
                    response.StatusCode    = (int)OSHttpStatusCode.ServerErrorInternalError;
                    //response.OutputStream.Close();
                    try
                    {
                        response.Send();
                        //response.FreeContext();
                    }
                    catch (SocketException f)
                    {
                        // This has to be here to prevent a Linux/Mono crash
                        m_log.WarnFormat(
                            "[BASE HTTP SERVER]: XmlRpcRequest issue {0}.\nNOTE: this may be spurious on Linux.", f);
                    }
                }
                catch(Exception)
                {
                }
            }

            // Indicate that the request has been "handled"

            return true;

        }

        // public void ConvertIHttpClientContextToOSHttp(object stateinfo)
        // {
        //     HttpServerContextObj objstate = (HttpServerContextObj)stateinfo;

        //     OSHttpRequest request = objstate.oreq;
        //     OSHttpResponse resp = objstate.oresp;

        //     HandleRequest(request,resp);
        // }

        /// <summary>
        /// This methods is the start of incoming HTTP request handling.
        /// </summary>
        /// <param name="request"></param>
        /// <param name="response"></param>
        public virtual void HandleRequest(OSHttpRequest request, OSHttpResponse response)
        {
            if (request.HttpMethod == String.Empty) // Can't handle empty requests, not wasting a thread
            {
                try
                {
                    byte[] buffer500 = SendHTML500(response);
                    response.Body.Write(buffer500,0,buffer500.Length);
                    response.Body.Close();
                }
                catch
                {
                }

                return;
            }

            string requestMethod = request.HttpMethod;
            string uriString = request.RawUrl;

            int requestStartTick = Environment.TickCount;

            // Will be adjusted later on.
            int requestEndTick = requestStartTick;

            IRequestHandler requestHandler = null;

            try
            {
                // OpenSim.Framework.WebUtil.OSHeaderRequestID
//                if (request.Headers["opensim-request-id"] != null)
//                    reqnum = String.Format("{0}:{1}",request.RemoteIPEndPoint,request.Headers["opensim-request-id"]);
                 //m_log.DebugFormat("[BASE HTTP SERVER]: <{0}> handle request for {1}",reqnum,request.RawUrl);

                Culture.SetCurrentCulture();

//                //  This is the REST agent interface. We require an agent to properly identify
//                //  itself. If the REST handler recognizes the prefix it will attempt to
//                //  satisfy the request. If it is not recognizable, and no damage has occurred
//                //  the request can be passed through to the other handlers. This is a low
//                //  probability event; if a request is matched it is normally expected to be
//                //  handled
//                IHttpAgentHandler agentHandler;
//
//                if (TryGetAgentHandler(request, response, out agentHandler))
//                {
//                    if (HandleAgentRequest(agentHandler, request, response))
//                    {
//                        requestEndTick = Environment.TickCount;
//                        return;
//                    }
//                }

                //response.KeepAlive = true;
                response.SendChunked = false;

                string path = request.RawUrl;
                string handlerKey = GetHandlerKey(request.HttpMethod, path);
                byte[] buffer = null;

                if (TryGetStreamHandler(handlerKey, out requestHandler))
                {
                    if (DebugLevel >= 3)
                        LogIncomingToStreamHandler(request, requestHandler);

                    response.ContentType = requestHandler.ContentType; // Lets do this defaulting before in case handler has varying content type.
                    
                    if (requestHandler is IStreamedRequestHandler)
                    {
                        IStreamedRequestHandler streamedRequestHandler = requestHandler as IStreamedRequestHandler;

                        buffer = streamedRequestHandler.Handle(path, request.InputStream, request, response);
                    }
                    else if (requestHandler is IGenericHTTPHandler)
                    {
                        //m_log.Debug("[BASE HTTP SERVER]: Found Caps based HTTP Handler");
                        IGenericHTTPHandler HTTPRequestHandler = requestHandler as IGenericHTTPHandler;
                        Stream requestStream = request.InputStream;

                        Encoding encoding = Encoding.UTF8;
                        StreamReader reader = new StreamReader(requestStream, encoding);

                        string requestBody = reader.ReadToEnd();

                        reader.Close();
//.........这里部分代码省略.........

        public void Engine()
        {
            OSHttpRequest req = null;

            while (true)
            {
                try
                {
                    // dequeue an OSHttpRequest from OSHttpServer's
                    // request queue
                    req = _queue.Dequeue();

                    // get a copy of the list of registered handlers
                    List<OSHttpHandler> handlers = _server.OSHttpHandlers;

                    // prune list and have it sorted from most
                    // specific to least specific
                    handlers = MatchHandlers(req, handlers);

                    // process req: we try each handler in turn until
                    // we are either out of handlers or get back a
                    // Pass or Done
                    OSHttpHandlerResult rc = OSHttpHandlerResult.Unprocessed;
                    foreach (OSHttpHandler h in handlers)
                    {
                        rc = h.Process(req);

                        // Pass: handler did not process the request,
                        // try next handler
                        if (OSHttpHandlerResult.Pass == rc) continue;

                        // Handled: handler has processed the request
                        if (OSHttpHandlerResult.Done == rc) break;

                        // hmm, something went wrong
                        throw new Exception(String.Format("[{0}] got unexpected OSHttpHandlerResult {1}", EngineID, rc));
                    }

                    if (OSHttpHandlerResult.Unprocessed == rc)
                    {
                        _log.InfoFormat("[{0}] OSHttpHandler: no handler registered for {1}", EngineID, req);

                        // set up response header
                        OSHttpResponse resp = new OSHttpResponse(req);
                        resp.StatusCode = (int)OSHttpStatusCode.ClientErrorNotFound;
                        resp.StatusDescription = String.Format("no handler on call for {0}", req);
                        resp.ContentType = "text/html";

                        // add explanatory message
                        StreamWriter body = new StreamWriter(resp.Body);
                        body.WriteLine("<html>");
                        body.WriteLine("<header><title>Ooops...</title><header>");
                        body.WriteLine(String.Format("<body><p>{0}</p></body>", resp.StatusDescription));
                        body.WriteLine("</html>");
                        body.Flush();

                        // and ship it back
                        resp.Send();
                    }
                }
                catch (Exception e)
                {
                    _log.DebugFormat("[{0}] OSHttpHandler problem: {1}", EngineID, e.ToString());
                    _log.ErrorFormat("[{0}] OSHttpHandler problem: {1}", EngineID, e.Message);
                }
            }
        }

        private byte[] ProcessGetTexture(string path, Stream request, OSHttpRequest httpRequest, OSHttpResponse httpResponse)
        {
            //m_log.DebugFormat("[GETTEXTURE]: called in {0}", m_scene.RegionInfo.RegionName);

            // Try to parse the texture ID from the request URL
            NameValueCollection query = HttpUtility.ParseQueryString(httpRequest.Url.Query);
            string textureStr = query.GetOne("texture_id");
            string format = query.GetOne("format");

            if (m_assetService == null)
            {
                m_log.Error("[GETTEXTURE]: Cannot fetch texture " + textureStr + " without an asset service");
                httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
                return null;
            }

            UUID textureID;
            if (!String.IsNullOrEmpty(textureStr) && UUID.TryParse(textureStr, out textureID))
            {
                string[] formats;
                if (format != null && format != string.Empty)
                {
                    formats = new string[1] { format.ToLower() };
                }
                else
                {
                    formats = WebUtil.GetPreferredImageTypes(httpRequest.Headers.Get("Accept"));
                    if (formats.Length == 0)
                        formats = new string[1] { DefaultFormat }; // default

                }
                // OK, we have an array with preferred formats, possibly with only one entry

                httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
                foreach (string f in formats)
                {
                    if (FetchTexture(httpRequest, httpResponse, textureID, f))
                        break;
                }

            }
            else
            {
                m_log.Warn("[GETTEXTURE]: Failed to parse a texture_id from GetTexture request: " + httpRequest.Url);
            }

            httpResponse.Send();
            return null;
        }

        /// <summary>
        /// Invoked by OSHttpRequestPump.
        /// </summary>
        public override OSHttpHandlerResult Process(OSHttpRequest request)
        {
            XmlRpcResponse xmlRpcResponse;
            string responseString;

            // check whether we are interested in this request
            if (!XmlRpcMethodMatch(request)) return OSHttpHandlerResult.Pass;


            OSHttpResponse resp = new OSHttpResponse(request);
            try
            {
                // reified XmlRpcRequest must still be on the whiteboard
                XmlRpcRequest xmlRpcRequest = request.Whiteboard["xmlrequest"] as XmlRpcRequest;
                xmlRpcResponse = _handler(xmlRpcRequest);
                responseString = XmlRpcResponseSerializer.Singleton.Serialize(xmlRpcResponse);

                resp.ContentType = "text/xml";
                byte[] buffer = Encoding.UTF8.GetBytes(responseString);

                resp.SendChunked = false;
                resp.ContentLength = buffer.Length;
                resp.ContentEncoding = Encoding.UTF8;

                resp.Body.Write(buffer, 0, buffer.Length);
                resp.Body.Flush();

                resp.Send();

            }
            catch (Exception ex)
            {
                _log.WarnFormat("[OSHttpXmlRpcHandler]: Error: {0}", ex.Message);
                return OSHttpHandlerResult.Pass;
            }
            return OSHttpHandlerResult.Done;
        }

//.........这里部分代码省略.........
                            xmlRpcResponse = new XmlRpcResponse();

                            // Code probably set in accordance with http://xmlrpc-epi.sourceforge.net/specs/rfc.fault_codes.php
                            xmlRpcResponse.SetFault(-32603, errorMessage);
                        }

                        // if the method wasn't found, we can't determine KeepAlive state anyway, so lets do it only here
                        response.KeepAlive = keepAlive;
                    }
                    else
                    {
                        xmlRpcResponse = new XmlRpcResponse();

                        // Code set in accordance with http://xmlrpc-epi.sourceforge.net/specs/rfc.fault_codes.php
                        xmlRpcResponse.SetFault(
                            XmlRpcErrorCodes.SERVER_ERROR_METHOD,
                            String.Format("Requested method [{0}] not found", methodName));
                    }

                    responseString = XmlRpcResponseSerializer.Singleton.Serialize(xmlRpcResponse);
                }
                else
                {
                    //HandleLLSDRequests(request, response);
                    response.ContentType = "text/plain";
                    response.StatusCode = 404;
                    response.StatusDescription = "Not Found";
                    response.ProtocolVersion = "HTTP/1.0";
                    byte[] buf = Encoding.UTF8.GetBytes("Not found");
                    response.KeepAlive = false;

                    m_log.ErrorFormat("[BASE HTTP SERVER]: Handler not found for http request {0}", request.RawUrl);

                    response.SendChunked = false;
                    response.ContentLength64 = buf.Length;
                    response.ContentEncoding = Encoding.UTF8;

                    try
                    {
                        response.OutputStream.Write(buf, 0, buf.Length);
                    }
                    catch (Exception ex)
                    {
                        m_log.Warn("[BASE HTTP SERVER]: Error - " + ex.Message);
                    }
                    finally
                    {
                        try
                        {
                            response.Send();
                            //response.FreeContext();
                        }
                        catch (SocketException e)
                        {
                            // This has to be here to prevent a Linux/Mono crash
                            m_log.WarnFormat("[BASE HTTP SERVER]: XmlRpcRequest issue {0}.\nNOTE: this may be spurious on Linux.", e);
                        }
                        catch (IOException e)
                        {
                            m_log.Warn("[BASE HTTP SERVER]: XmlRpcRequest issue: " + e.Message);
                        }
                    }
                    return;
                    //responseString = "Error";
                }
            }

        private byte[] ProcessGetTexture(string path, Stream request, OSHttpRequest httpRequest, OSHttpResponse httpResponse)
        {
            // TODO: Change this to a config option
            const string REDIRECT_URL = null;

            // Try to parse the texture ID from the request URL
            NameValueCollection query = HttpUtility.ParseQueryString(httpRequest.Url.Query);
            string textureStr = query.GetOne("texture_id");

            if (m_assetService == null)
            {
                m_log.Error("[GETTEXTURE]: Cannot fetch texture " + textureStr + " without an asset service");
                httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
                return null;
            }

            UUID textureID;
            if (!String.IsNullOrEmpty(textureStr) && UUID.TryParse(textureStr, out textureID))
            {
                //m_log.DebugFormat("[GETTEXTURE]: {0}", textureID);
                AssetBase texture;

                if (!String.IsNullOrEmpty(REDIRECT_URL))
                {
                    // Only try to fetch locally cached textures. Misses are redirected
                    texture = m_assetService.GetCached(textureID.ToString());

                    if (texture != null)
                    {
                        if (texture.Type != (sbyte)AssetType.Texture)
                        {
                            httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
                            httpResponse.Send();
                            return null;
                        }
                        SendTexture(httpRequest, httpResponse, texture);
                    }
                    else
                    {
                        string textureUrl = REDIRECT_URL + textureID.ToString();
                        m_log.Debug("[GETTEXTURE]: Redirecting texture request to " + textureUrl);
                        httpResponse.RedirectLocation = textureUrl;
                    }
                }
                else
                {
                    // Fetch locally or remotely. Misses return a 404
                    texture = m_assetService.Get(textureID.ToString());

                    if (texture != null)
                    {
                        if (texture.Type != (sbyte)AssetType.Texture)
                        {
                            httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
                            httpResponse.Send();
                            return null;
                        }
                        SendTexture(httpRequest, httpResponse, texture);
                    }
                    else
                    {
                        m_log.Warn("[GETTEXTURE]: Texture " + textureID + " not found");
                        httpResponse.StatusCode = (int)System.Net.HttpStatusCode.NotFound;
                    }
                }
            }
            else
            {
                m_log.Warn("[GETTEXTURE]: Failed to parse a texture_id from GetTexture request: " + httpRequest.Url);
            }

            httpResponse.Send();
            return null;
        }

        public void SendHTML404(OSHttpResponse response, string host)
        {
            // I know this statuscode is dumb, but the client doesn't respond to 404s and 500s
            //MSIE doesn't allow for 400 pages to show... so we send 200 for now
            response.StatusCode = 200;
            //response.StatusCode = 400;
            response.AddHeader("Content-type", "text/html");

            string responseString = GetHTTP404(host);
            byte[] buffer = Encoding.UTF8.GetBytes(responseString);

            response.SendChunked = false;
            response.ContentLength64 = buffer.Length;
            response.ContentEncoding = Encoding.UTF8;

            try
            {
                response.OutputStream.Write(buffer, 0, buffer.Length);
            }
            catch (Exception ex)
            {
                m_log.Warn("[BASE HTTP SERVER]: Error - " + ex.ToString());
            }
            finally
            {
                //response.OutputStream.Close();
                try
                {
                    response.Send();
                    //response.FreeContext();
                }
                catch (SocketException e)
                {
                    // This has to be here to prevent a Linux/Mono crash
                    m_log.WarnFormat("[BASE HTTP SERVER]: XmlRpcRequest issue {0}.\nNOTE: this may be spurious on Linux.", e);
                }
            }
        }

        string HandleVoxelChunkReq(string request, string path, string param,
                                      OSHttpRequest httpRequest, OSHttpResponse httpResponse)
        {
            // Try to parse the texture ID from the request URL
            NameValueCollection query = HttpUtility.ParseQueryString(httpRequest.Url.Query);
            int X, Y,Z=0;
            if (!int.TryParse(query.GetOne("x"), out X) ||
                !int.TryParse(query.GetOne("y"), out Y))
            {
                httpResponse.StatusCode = 404;
                httpResponse.Send();
                return null;
            }
            if (X < 0 ||
                X > m_scene.Voxels.Width / VoxelChannel.CHUNK_SIZE_X ||
                Y < 0 ||
                Y > m_scene.Voxels.Length / VoxelChannel.CHUNK_SIZE_Y ||
                Z < 0 ||
                Z > m_scene.Voxels.Height / VoxelChannel.CHUNK_SIZE_Z)
            {
                httpResponse.StatusCode = 404;
                httpResponse.Send();
                return null;
            }

            SendChunk(httpRequest, httpResponse, X, Y);

            httpResponse.Send();
            return null;
        }

        /// <summary>
        /// Get the user's display name, currently not used?
        /// </summary>
        /// <param name="mDhttpMethod"></param>
        /// <param name="agentID"></param>
        /// <returns></returns>
        private byte[] ProcessGetDisplayName(string path, Stream request, OSHttpRequest httpRequest, OSHttpResponse httpResponse)
        {
            //I've never seen this come in, so for now... do nothing
            NameValueCollection query = HttpUtility.ParseQueryString (httpRequest.Url.Query);
            string[] ids = query.GetValues ("ids");
            string username = query.GetOne ("username");

            OSDMap map = new OSDMap ();
            OSDArray agents = new OSDArray ();
            OSDArray bad_ids = new OSDArray ();
            OSDArray bad_usernames = new OSDArray ();

            if (ids != null)
            {
                foreach (string id in ids)
                {
                    UserAccount account = m_userService.GetUserAccount (UUID.Zero, UUID.Parse (id));
                    if (account != null)
                    {
                        IUserProfileInfo info = Aurora.DataManager.DataManager.RequestPlugin<IProfileConnector> ().GetUserProfile (UUID.Parse (id));
                        if (info != null)
                            PackUserInfo (info, account, ref agents);
                        else
                            bad_ids.Add (id);
                    }
                }
            }
            //TODO: usernames

            map["agents"] = agents;
            map["bad_ids"] = bad_ids;
            map["bad_usernames"] = bad_usernames;

            byte[] m = OSDParser.SerializeLLSDXmlBytes (map);
            httpResponse.Body.Write (m, 0, m.Length);
            httpResponse.StatusCode = (int)System.Net.HttpStatusCode.OK;
            httpResponse.Send ();
            return null;
        }

        /// <summary>
        ///   Get the user's display name, currently not used?
        /// </summary>
        /// <param name = "mDhttpMethod"></param>
        /// <param name = "agentID"></param>
        /// <returns></returns>
        private byte[] ProcessGetDisplayName(string path, Stream request, OSHttpRequest httpRequest,
                                             OSHttpResponse httpResponse)
        {
            //I've never seen this come in, so for now... do nothing
            NameValueCollection query = HttpUtility.ParseQueryString(httpRequest.Url.Query);
            string[] ids = query.GetValues("ids");
            string username = query.GetOne("username");

            OSDMap map = new OSDMap();
            OSDArray agents = new OSDArray();
            OSDArray bad_ids = new OSDArray();
            OSDArray bad_usernames = new OSDArray();

            if (ids != null)
            {
                foreach (string id in ids)
                {
                    UserAccount account = m_userService.GetUserAccount(UUID.Zero, UUID.Parse(id));
                    if (account != null)
                    {
                        IUserProfileInfo info =
                            DataManager.RequestPlugin<IProfileConnector>().GetUserProfile(account.PrincipalID);
                        if (info != null)
                            PackUserInfo(info, account, ref agents);
                        else
                            PackUserInfo(info, account, ref agents);
                        //else //Technically is right, but needs to be packed no matter what for OS based grids
                        //    bad_ids.Add (id);
                    }
                }
            }
            else if (username != null)
            {
                UserAccount account = m_userService.GetUserAccount(UUID.Zero, username.Replace('.', ' '));
                if (account != null)
                {
                    IUserProfileInfo info =
                        DataManager.RequestPlugin<IProfileConnector>().GetUserProfile(account.PrincipalID);
                    if (info != null)
                        PackUserInfo(info, account, ref agents);
                    else
                        bad_usernames.Add(username);
                }
            }

            map["agents"] = agents;
            map["bad_ids"] = bad_ids;
            map["bad_usernames"] = bad_usernames;

            byte[] m = OSDParser.SerializeLLSDXmlBytes(map);
            httpResponse.Body.Write(m, 0, m.Length);
            httpResponse.StatusCode = (int) HttpStatusCode.OK;
            httpResponse.Send();
            return null;
        }

        public void SendHTML500(OSHttpResponse response)
        {
            // I know this statuscode is dumb, but the client doesn't respond to 404s and 500s
            response.StatusCode = (int)OSHttpStatusCode.SuccessOk;
            response.AddHeader("Content-type", "text/html");

            string responseString = GetHTTP500();
            byte[] buffer = Encoding.UTF8.GetBytes(responseString);

            response.SendChunked = false;
            response.ContentLength64 = buffer.Length;
            response.ContentEncoding = Encoding.UTF8;
            try
            {
                response.OutputStream.Write(buffer, 0, buffer.Length);
            }
            catch (Exception ex)
            {
                m_log.Warn("[BASE HTTP SERVER]: Error - " + ex.Message);
            }
            finally
            {
                //response.OutputStream.Close();
                try
                {
                    response.Send();
                    //response.FreeContext();
                }
                catch (SocketException e)
                {
                    // This has to be here to prevent a Linux/Mono crash
                    m_log.WarnFormat("[BASE HTTP SERVER] XmlRpcRequest issue {0}.\nNOTE: this may be spurious on Linux.", e);
                }
            }
        }

        private byte[] ProcessAvatarPickerSearch(string path, Stream request, OSHttpRequest httpRequest, OSHttpResponse httpResponse)
        {
            NameValueCollection query = HttpUtility.ParseQueryString(httpRequest.Url.Query);
            string amt = query.GetOne("page-size");
            string name = query.GetOne("names");
            List<UserAccount> accounts = m_service.Registry.RequestModuleInterface<IUserAccountService>().GetUserAccounts(UUID.Zero, name);

            if (accounts == null)
                accounts = new List<UserAccount>(0);
            OSDMap body = new OSDMap();
            OSDArray array = new OSDArray();
            foreach (UserAccount account in accounts)
            {
                OSDMap map = new OSDMap();
                map["agent_id"] = account.PrincipalID;
                IUserProfileInfo profileInfo = Aurora.DataManager.DataManager.RequestPlugin<IProfileConnector>().GetUserProfile(account.PrincipalID);
                map["display_name"] = (profileInfo == null || profileInfo.DisplayName == "") ? account.Name : profileInfo.DisplayName;
                map["username"] = account.Name;
                array.Add(map);
            }

            body["agents"] = array;
            byte[] m = OSDParser.SerializeLLSDXmlBytes(body);
            httpResponse.Body.Write(m, 0, m.Length);
            httpResponse.StatusCode = (int)System.Net.HttpStatusCode.OK;
            httpResponse.Send();
            return null;
        }