예제 #1
0
        protected override internal Task ExecuteRequest(HttpClient httpClient, HttpRequestMessage request)
        {
            object              fullBody = null;
            Exception           error    = null;
            HttpResponseMessage response = null;

            if (_tokenSource.IsCancellationRequested)
            {
                RespondWithResult(fullBody, new Exception(string.Format("{0}: Request {1} has been aborted", this, request)), response);
                var tcs = new TaskCompletionSource <bool>();
                tcs.SetCanceled();
                return(tcs.Task);
            }

            Log.D(Tag + ".ExecuteRequest", "Sending request: {0}", request);
            var requestTokenSource = CancellationTokenSource.CreateLinkedTokenSource(_tokenSource.Token);
            var retVal             = httpClient.SendAsync(request, requestTokenSource.Token);

            retVal.ConfigureAwait(false).GetAwaiter().OnCompleted(() => {
                requestTokenSource.Dispose();
                try {
                    response = retVal.Result;
                } catch (Exception e) {
                    var err = (e is AggregateException) ? e.InnerException : e;
                    Log.E(Tag, "Unhandled Exception", err);
                    error = err;
                    RespondWithResult(fullBody, err, response);
                    return;
                }

                try
                {
                    if (response == null)
                    {
                        Log.E(Tag, "Didn't get response for {0}", request);

                        error = new HttpRequestException();
                        RespondWithResult(fullBody, error, response);
                    }
                    else if (!response.IsSuccessStatusCode)
                    {
                        HttpStatusCode status = response.StatusCode;

                        Log.E(Tag, "Got error status: {0} for {1}.  Reason: {2}", status.GetStatusCode(), request, response.ReasonPhrase);
                        error = new HttpResponseException(status);

                        RespondWithResult(fullBody, error, response);
                    }
                    else
                    {
                        Log.D(Tag, "Processing response: {0}", response);
                        var entity            = response.Content;
                        var contentTypeHeader = entity.Headers.ContentType;
                        Stream inputStream    = null;
                        if (contentTypeHeader != null && contentTypeHeader.ToString().Contains("multipart/"))
                        {
                            Log.V(Tag, "contentTypeHeader = {0}", contentTypeHeader.ToString());
                            try
                            {
                                _topReader       = new MultipartReader(contentTypeHeader.ToString(), this);
                                inputStream      = entity.ReadAsStreamAsync().Result;
                                const int bufLen = 1024;
                                var buffer       = new byte[bufLen];
                                var numBytesRead = 0;
                                while ((numBytesRead = inputStream.Read(buffer, 0, bufLen)) > 0)
                                {
                                    if (numBytesRead != bufLen)
                                    {
                                        var bufferToAppend = new Couchbase.Lite.Util.ArraySegment <byte>(buffer, 0, numBytesRead).ToArray();
                                        _topReader.AppendData(bufferToAppend);
                                    }
                                    else
                                    {
                                        _topReader.AppendData(buffer);
                                    }
                                }
                                _topReader.Finished();
                                RespondWithResult(fullBody, error, response);
                            }
                            finally
                            {
                                try
                                {
                                    inputStream.Close();
                                }
                                catch (IOException)
                                {
                                }
                            }
                        }
                        else
                        {
                            Log.V(Tag, "contentTypeHeader is not multipart = {0}", contentTypeHeader.ToString());
                            if (entity != null)
                            {
                                try
                                {
                                    inputStream = entity.ReadAsStreamAsync().Result;
                                    fullBody    = Manager.GetObjectMapper().ReadValue <object>(inputStream);
                                    RespondWithResult(fullBody, error, response);
                                }
                                finally
                                {
                                    try
                                    {
                                        inputStream.Close();
                                    }
                                    catch (IOException)
                                    {
                                    }
                                }
                            }
                        }
                    }
                }
                catch (AggregateException e)
                {
                    var err = e.InnerException;
                    Log.E(Tag, "Unhandled Exception", err);
                    error = err;
                    RespondWithResult(fullBody, err, response);
                }
                catch (IOException e)
                {
                    Log.E(Tag, "IO Exception", e);
                    error = e;
                    RespondWithResult(fullBody, e, response);
                }
                catch (Exception e)
                {
                    Log.E(Tag, "ExecuteRequest Exception: ", e);
                    error = e;
                    RespondWithResult(fullBody, e, response);
                }
                finally {
                    response.Dispose();
                }
            });

            return(retVal);
        }
예제 #2
0
        private Task ExecuteRequest(CouchbaseLiteHttpClient httpClient, HttpRequestMessage request)
        {
            object              fullBody = null;
            Exception           error    = null;
            HttpResponseMessage response = null;

            if (_tokenSource.IsCancellationRequested)
            {
                RespondWithResult(fullBody, new Exception(string.Format("{0}: Request {1} has been aborted", this, request)), response);
                var tcs = new TaskCompletionSource <bool>();
                tcs.SetCanceled();
                return(tcs.Task);
            }

            request.Headers.AcceptEncoding.Add(new StringWithQualityHeaderValue("gzip"));
            request.Headers.Add("X-Accept-Part-Encoding", "gzip");

            Log.To.Sync.V(Tag, "Sending request: {0}", request);
            var requestTokenSource = CancellationTokenSource.CreateLinkedTokenSource(_tokenSource.Token);

            httpClient.Authenticator = Authenticator;
            return(httpClient.SendAsync(request, requestTokenSource.Token).ContinueWith(t =>
            {
                requestTokenSource.Dispose();
                try {
                    response = t.Result;
                } catch (Exception e) {
                    var err = Misc.Flatten(e).First();
                    Log.To.Sync.E(Tag, "Unhandled exception while getting bulk documents", err);
                    error = err;
                    RespondWithResult(fullBody, err, response);
                    return;
                }

                try {
                    if (response == null)
                    {
                        Log.To.Sync.I(Tag, "Didn't get response for {0}", request);

                        error = new HttpRequestException();
                        RespondWithResult(fullBody, error, response);
                    }
                    else if (!response.IsSuccessStatusCode)
                    {
                        HttpStatusCode status = response.StatusCode;

                        Log.To.Sync.I(Tag, "Got error status: {0} for {1}.  Reason: {2}", status.GetStatusCode(), request, response.ReasonPhrase);
                        error = new HttpResponseException(status);

                        RespondWithResult(fullBody, error, response);
                    }
                    else
                    {
                        Log.To.Sync.D(Tag, "Processing response: {0}", response);
                        var entity = response.Content;
                        var contentTypeHeader = entity.Headers.ContentType;
                        Stream inputStream = null;
                        if (contentTypeHeader != null && contentTypeHeader.ToString().Contains("multipart/"))
                        {
                            Log.To.Sync.D(Tag, "contentTypeHeader = {0}", contentTypeHeader.ToString());
                            try {
                                _topReader = new MultipartReader(contentTypeHeader.ToString(), this);
                                inputStream = entity.ReadAsStreamAsync().Result;
                                const int bufLen = 1024;
                                var buffer = new byte[bufLen];
                                var numBytesRead = 0;
                                while ((numBytesRead = inputStream.Read(buffer, 0, bufLen)) > 0)
                                {
                                    if (numBytesRead != bufLen)
                                    {
                                        var bufferToAppend = new Couchbase.Lite.Util.ArraySegment <byte>(buffer, 0, numBytesRead).ToArray();
                                        _topReader.AppendData(bufferToAppend);
                                    }
                                    else
                                    {
                                        _topReader.AppendData(buffer);
                                    }
                                }

                                RespondWithResult(fullBody, error, response);
                            } finally {
                                try {
                                    inputStream.Close();
                                } catch (IOException) { }
                            }
                        }
                        else
                        {
                            Log.To.Sync.D(Tag, "contentTypeHeader is not multipart = {0}", contentTypeHeader.ToString());
                            if (entity != null)
                            {
                                try {
                                    inputStream = entity.ReadAsStreamAsync().Result;
                                    fullBody = Manager.GetObjectMapper().ReadValue <object>(inputStream);
                                    RespondWithResult(fullBody, error, response);
                                } finally {
                                    try {
                                        inputStream.Close();
                                    } catch (IOException) {  }
                                }
                            }
                        }
                    }
                }
                catch (Exception e)
                {
                    var err = (e is AggregateException) ? e.InnerException : e;
                    Log.To.Sync.E(Tag, "Exception while processing bulk download response", err);
                    error = err;
                    RespondWithResult(fullBody, err, response);
                }
            }));
        }
예제 #3
0
        protected override internal void ExecuteRequest(HttpClient httpClient, HttpRequestMessage request)
        {
            object              fullBody = null;
            Exception           error    = null;
            HttpResponseMessage response = null;

            try
            {
                if (_tokenSource.IsCancellationRequested)
                {
                    RespondWithResult(fullBody, new Exception(string.Format("{0}: Request {1} has been aborted", this, request)), response);
                    return;
                }
            }
            catch (AggregateException e)
            {
                var err = e.InnerException;
                Log.E(Tag, "Unhandled Exception", err);
                error = err;
                RespondWithResult(fullBody, err, response);
                return;
            }
            catch (IOException e)
            {
                Log.E(Tag, "IO Exception", e);
                error = e;
                RespondWithResult(fullBody, e, response);
                return;
            }
            catch (Exception e)
            {
                Log.E(Tag, "ExecuteRequest Exception: ", e);
                error = e;
                RespondWithResult(fullBody, e, response);
                return;
            }

            try
            {
                Log.D(Tag + ".ExecuteRequest", "Sending request: {0}", request);
                var requestTokenSource = CancellationTokenSource.CreateLinkedTokenSource(_tokenSource.Token);
                var responseTask       = httpClient.SendAsync(request, requestTokenSource.Token);
                if (!responseTask.Wait((Int32)ManagerOptions.Default.RequestTimeout.TotalMilliseconds, requestTokenSource.Token))
                {
                    Log.E(Tag, "Response task timed out: {0}, {1}, {2}", responseTask, TaskScheduler.Current, Description());
                    throw new HttpResponseException(HttpStatusCode.RequestTimeout);
                }
                requestTokenSource.Dispose();
                response = responseTask.Result;
            }
            catch (AggregateException e)
            {
                var err = e.InnerException;
                Log.E(Tag, "Unhandled Exception: {0}, {1}", TaskScheduler.Current, Description());
                Log.E(Tag, "Unhandled Exception at Line 129 or 130", err);
                error = err;
                RespondWithResult(fullBody, err, response);
                return;
            }
            catch (IOException e)
            {
                Log.E(Tag, "IO Exception", e);
                error = e;
                RespondWithResult(fullBody, e, response);
                return;
            }
            catch (Exception e)
            {
                Log.E(Tag, "ExecuteRequest Exception: ", e);
                error = e;
                RespondWithResult(fullBody, e, response);
                return;
            }

            try
            {
                if (response == null)
                {
                    Log.E(Tag, "Didn't get response for {0}", request);

                    error = new HttpRequestException();
                    RespondWithResult(fullBody, error, response);
                }
                else if (!response.IsSuccessStatusCode)
                {
                    HttpStatusCode status = response.StatusCode;

                    Log.E(Tag, "Got error status: {0} for {1}.  Reason: {2}", status.GetStatusCode(), request, response.ReasonPhrase);
                    error = new HttpResponseException(status);

                    RespondWithResult(fullBody, error, response);
                }
                else
                {
                    Log.D(Tag, "Processing response: {0}", response);
                    var    entity            = response.Content;
                    var    contentTypeHeader = entity.Headers.ContentType;
                    Stream inputStream       = null;
                    if (contentTypeHeader != null && contentTypeHeader.ToString().Contains("multipart/"))
                    {
                        Log.V(Tag, "contentTypeHeader = {0}", contentTypeHeader.ToString());
                        try
                        {
                            _topReader  = new MultipartReader(contentTypeHeader.ToString(), this);
                            inputStream = entity.ReadAsStreamAsync().Result;
                            const int bufLen       = 1024;
                            var       buffer       = new byte[bufLen];
                            var       numBytesRead = 0;
                            while ((numBytesRead = inputStream.Read(buffer, 0, bufLen)) > 0)
                            {
                                if (numBytesRead != bufLen)
                                {
                                    var bufferToAppend = new Couchbase.Lite.Util.ArraySegment <byte>(buffer, 0, numBytesRead).ToArray();
                                    _topReader.AppendData(bufferToAppend);
                                }
                                else
                                {
                                    _topReader.AppendData(buffer);
                                }
                            }
                            _topReader.Finished();
                            RespondWithResult(fullBody, error, response);
                        }
                        finally
                        {
                            try
                            {
                                inputStream.Close();
                            }
                            catch (IOException)
                            {
                            }
                        }
                    }
                    else
                    {
                        Log.V(Tag, "contentTypeHeader is not multipart = {0}", contentTypeHeader.ToString());
                        if (entity != null)
                        {
                            try
                            {
                                inputStream = entity.ReadAsStreamAsync().Result;
                                fullBody    = Manager.GetObjectMapper().ReadValue <object>(inputStream);
                                RespondWithResult(fullBody, error, response);
                            }
                            finally
                            {
                                try
                                {
                                    inputStream.Close();
                                }
                                catch (IOException)
                                {
                                }
                            }
                        }
                    }
                }
            }
            catch (AggregateException e)
            {
                var err = e.InnerException;
                Log.E(Tag, "Unhandled Exception", err);
                error = err;
                RespondWithResult(fullBody, err, response);
            }
            catch (IOException e)
            {
                Log.E(Tag, "IO Exception", e);
                error = e;
                RespondWithResult(fullBody, e, response);
            }
            catch (Exception e)
            {
                Log.E(Tag, "ExecuteRequest Exception: ", e);
                error = e;
                RespondWithResult(fullBody, e, response);
            }
        }