Beispiel #1
0
        public async Task <IHttpResponseMessageAbstraction> SendAsync()
        {
            var requestMessage = new HttpRequestMessage();

            requestMessage.Method     = this.Method;
            requestMessage.RequestUri = this.RequestUri;
            if (this.Method == HttpMethod.Post || this.Method == HttpMethod.Put)
            {
                requestMessage.Content = this.CopyContent();
                requestMessage.Content.Headers.ContentType = new MediaTypeHeaderValue(this.ContentType);
            }
            requestMessage.Headers.Clear();
            foreach (KeyValuePair <string, string> header in this.RequestHeaders)
            {
                requestMessage.Headers.Add(header.Key, header.Value);
            }
            this.client.Timeout = this.Timeout;

            DateTime start = DateTime.Now;

            try
            {
                var result = await this.client.SendAsync(requestMessage, this.cancellationToken);

                string content = null;
                if (result.Content.IsNotNull())
                {
                    content = result.Content.ReadAsStringAsync().WaitForResult();
                }
                var retval = new HttpResponseMessageAbstraction(result.StatusCode, new HttpResponseHeadersAbstraction(result.Headers), content);

                this.LogRequestResponseDetails(retval);
                return(retval);
            }
            catch (Exception ex)
            {
                this.LogRequestException(ex);
                var tcex = ex as TaskCanceledException;
                if (tcex.IsNotNull())
                {
                    if (this.cancellationToken.IsCancellationRequested)
                    {
                        throw new OperationCanceledException("The operation was canceled at the users request.", tcex, this.cancellationToken);
                    }
                    else if (DateTime.Now - start > this.Timeout)
                    {
                        throw new TimeoutException(string.Format(CultureInfo.InvariantCulture, "The requested task failed to complete in the allotted time ({0}).", this.Timeout));
                    }
                }
                throw;
            }
        }
 /// <summary>
 ///     Append to an existing file.
 /// </summary>
 /// <param name="path">The existing file to be appended.</param>
 /// <param name="data">Data to be appended</param>
 /// <param name="bufferSize">The size of the buffer to be used.</param>
 /// <returns>Confirmation message</returns>
 public Task<IHttpResponseMessageAbstraction> Append(string path, Stream data)
 {
     ApplianceStorageSimulatorItem file = this.GetItem(path);
     if (file.IsNotNull())
     {
         var byteData = file.Data.Concat(ReadToEnd(data)).ToArray();
         this.ChangeItemData(file, byteData);
         IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(HttpStatusCode.OK, null, String.Empty);
         return Task.FromResult(response);
     }
     else
     {
         throw new FileNotFoundException("File to be appended is not found");
     }
 }
        private void LogRequestResponseDetails(HttpResponseMessageAbstraction response)
        {
            bool isFirst;
            var requestHeaders = this.GetFormatedRequestHeaders();

            isFirst = true;
            StringBuilder responseHeaders = new StringBuilder();
            var responseContentType = HttpConstants.ApplicationXml;
            foreach (var header in response.Headers)
            {
                if (!isFirst)
                {
                    responseHeaders.Append(string.Empty.PadLeft(15));
                }

                if (header.Key == HttpConstants.ContentTypeHeader && header.Value.IsNotNull())
                {
                    responseContentType = string.Join(",", header.Value);
                }

                responseHeaders.Append(header.Key);
                responseHeaders.Append(" = ");
                bool innerFirst = true;
                foreach (var value in header.Value)
                {
                    if (!innerFirst)
                    {
                        responseHeaders.Append(string.Empty.PadLeft(15 + header.Key.Length + 3));
                    }
                    responseHeaders.AppendLine(value);
                    innerFirst = false;
                }
                isFirst = false;
            }

            var formattedRequestContent = this.StringContent;
            if (this.ContentType == HttpConstants.ApplicationXml)
            {
                TryPrettyPrintXml(formattedRequestContent, out formattedRequestContent);
            }

            var formattedResponseContent = response.Content;
            if (responseContentType == HttpConstants.ApplicationXml)
            {
                TryPrettyPrintXml(formattedResponseContent, out formattedResponseContent);
            }

            string message = string.Format(CultureInfo.InvariantCulture,
                                           ResponseLogFormat,
                                           this.RequestUri,
                                           this.Method,
                                           this.ContentType,
                                           requestHeaders,
                                           formattedRequestContent,
                                           response.StatusCode,
                                           responseHeaders,
                                           formattedResponseContent,
                                           this.GetType().Assembly.GetName().Version);

            this.LogMessage(message, Severity.Informational, Verbosity.Detailed);
        }
        public async Task<IHttpResponseMessageAbstraction> SendAsync()
        {
            var requestMessage = new HttpRequestMessage();

            requestMessage.Method = this.Method;
            requestMessage.RequestUri = this.RequestUri;
            if (this.Method == HttpMethod.Post || this.Method == HttpMethod.Put)
            {
                requestMessage.Content = this.CopyContent();
                requestMessage.Content.Headers.ContentType = new MediaTypeHeaderValue(this.ContentType);
            }
            requestMessage.Headers.Clear();
            foreach (KeyValuePair<string, string> header in this.RequestHeaders)
            {
                requestMessage.Headers.Add(header.Key, header.Value);
            }
            this.client.Timeout = this.Timeout;

            DateTime start = DateTime.Now;
            try
            {
                var result = await this.client.SendAsync(requestMessage, this.cancellationToken);
                string content = null;
                if (result.Content.IsNotNull())
                {
                    content = result.Content.ReadAsStringAsync().WaitForResult();
                }
                var retval = new HttpResponseMessageAbstraction(result.StatusCode, new HttpResponseHeadersAbstraction(result.Headers), content);

                this.LogRequestResponseDetails(retval);
                return retval;
            }
            catch (Exception ex)
            {
                this.LogRequestException(ex);
                var tcex = ex as TaskCanceledException;
                if (tcex.IsNotNull())
                {
                    if (this.cancellationToken.IsCancellationRequested)
                    {
                        throw new OperationCanceledException("The operation was canceled at the users request.", tcex, this.cancellationToken);
                    }
                    else if (DateTime.Now - start > this.Timeout)
                    {
                        throw new TimeoutException(string.Format(CultureInfo.InvariantCulture, "The requested task failed to complete in the allotted time ({0}).", this.Timeout));
                    }
                }
                throw;
            }
        }
        /// <summary>
        ///     Create file and open it for write.
        /// </summary>
        /// <param name="path">The file name to create and open.</param>
        /// <param name="data">File content</param>
        /// <param name="overwrite">Specifies if existing file should be overwritten.</param>
        /// <returns>Confirmation message and WebHDFS URI to file location</returns>
        public Task<IHttpResponseMessageAbstraction> Write(string path, Stream data, bool? overwrite)
        {
            ApplianceStorageSimulatorItem file = this.GetItem(path);

            if (!(overwrite.HasValue && overwrite.Value))
            {
                file = this.CreateTree(path);
            }
            file.Data = ReadToEnd(data);

            // TODO: This location is not presented in format webhdfs://<HOST>:<PORT>/<PATH> by only by relative <PATH>
            //
            var header = new HttpResponseHeadersAbstraction { { "Location", path } };
            IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(HttpStatusCode.Created, header, String.Empty);
            return Task.FromResult(response);
        }
 /// <summary>
 ///     Set replication for an existing file.
 /// </summary>
 /// <param name="path">Path to file</param>
 /// <param name="replication">New replication factor</param>
 /// <returns>Confirmation message with success indicator flag.</returns>
 public Task<IHttpResponseMessageAbstraction> SetReplication(string path, short replication)
 {
     ApplianceStorageSimulatorItem file = this.GetItem(path);
     string message;
     if (file.IsNotNull())
     {
         if (file.FileStatus.EntryType == DirectoryEntryType.FILE)
         {
             file.FileStatus.Replication = replication;
             message = "{\"boolean\": true}";
         }
         else
         {
             message = "{\"boolean\": false}";
         }
     }
     else
     {
         message = "{\"boolean\": false}";
     }
     IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(HttpStatusCode.OK, null, message);
     return Task.FromResult(response);
 }
 /// <summary>
 ///     Set owner of a path (i.e. a file or a directory). The parameters owner and group cannot both be null.
 /// </summary>
 /// <param name="path">Path to file/directory</param>
 /// <param name="owner">New owner of file. If it is null, the original owner name remains unchanged.</param>
 /// <param name="group">New group owner of file. If it is null, the original group name remains unchanged.</param>
 /// <returns>Confirmation message</returns>
 public Task<IHttpResponseMessageAbstraction> SetOwner(string path, string owner, string group)
 {
     ApplianceStorageSimulatorItem file = this.GetItem(path);
     if (file.IsNotNull())
     {
         if (owner.IsNotNullOrEmpty())
         {
             file.FileStatus.Owner = owner;
         }
         if (group.IsNotNullOrEmpty())
         {
             file.FileStatus.Group = group;
         }
         IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(HttpStatusCode.OK, null, String.Empty);
         return Task.FromResult(response);
     }
     throw new FileNotFoundException("File cannot be found.");
 }
 /// <summary>
 ///     Return a file status data above given path.
 /// </summary>
 /// <param name="path">The path we want information from.</param>
 /// <returns>File status for given path</returns>
 public Task<IHttpResponseMessageAbstraction> GetFileStatus(string path)
 {
     ApplianceStorageSimulatorItem file = this.GetItem(path);
     if (file.IsNotNull())
     {
         var result = new DirectoryEntryContainer() { Entry = file.FileStatus };
         IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(
             HttpStatusCode.OK,
             null,
             this.ConvertToJson(result));
         return Task.FromResult(response);
     }
     else
     {
         throw new FileNotFoundException("File cannot be found.");
     }
 }
 /// <summary>
 ///     Rename file
 /// </summary>
 /// <param name="path">Source path</param>
 /// <param name="destination">Destination path</param>
 /// <returns>Confirmation message with success indicator flag.</returns>
 public Task<IHttpResponseMessageAbstraction> Rename(string path, string destination)
 {
     PathInfo sourcePathInfo = new PathInfo(new Uri(this.credentials.Server, path));
     ApplianceStorageSimulatorItem sourceFile = this.GetItem(sourcePathInfo);
     string message = String.Empty;
     if (sourceFile.IsNotNull())
     {
         PathInfo destinationPathInfo = new PathInfo(new Uri(this.credentials.Server, destination));
         ApplianceStorageSimulatorItem destinationFile = this.CreateTree(destinationPathInfo, sourceFile.FileStatus.EntryType);
         ApplianceStorageSimulatorItem destinationFileParent = GetItem(destinationPathInfo, true);
         sourceFile.FileStatus.PathSuffix = destinationFile.FileStatus.PathSuffix;
         destinationFileParent.ChildItems[destinationPathInfo.PathParts.Last()] = sourceFile;
         ApplianceStorageSimulatorItem sourceFileParent = this.GetItem(sourcePathInfo, true);
         sourceFileParent.ChildItems.Remove(sourcePathInfo.PathParts.Last());
         this.UpdateParrentContentSummary(sourceFileParent);
         this.UpdateParrentContentSummary(destinationFileParent);
         message = "{\"boolean\": true}";
     }
     else
     {
         message = "{\"boolean\": false}";
     }
     IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(HttpStatusCode.OK, null, message);
     return Task.FromResult(response);
 }
 /// <summary>
 ///     Checks whether given path exists in the file system.
 /// </summary>
 /// <param name="path">Path to check.</param>
 /// <returns>True if the given path exists in the file system, otherwise false.</returns>
 public Task<IHttpResponseMessageAbstraction> Exists(string path)
 {
     var item = this.GetItem(path);
     IHttpResponseMessageAbstraction response;
     if (item.IsNotNull())
     {
         response = new HttpResponseMessageAbstraction(HttpStatusCode.OK, null, "{boolean:true}");
     }
     else
     {
         response = new HttpResponseMessageAbstraction(HttpStatusCode.NotFound, null, "{boolean:false}");
     }
     return Task.FromResult(response);
 }
 /// <summary>
 ///     Opens data stream at indicated path.
 /// </summary>
 /// <param name="path">File name to open.</param>
 /// <param name="offset">The starting byte position.</param>
 /// <param name="length">The number of bytes to be processed. Null means entire file</param>
 /// <param name="buffersize">The size of the buffer to be used. NOT SIMULATED</param>
 /// <returns>Redirected exact location of chosen file</returns>
 public Task<IHttpResponseMessageAbstraction> Read(string path, long? offset, long? length, int? buffersize)
 {
     ApplianceStorageSimulatorItem file = this.GetItem(path);
     if (file.IsNotNull())
     {
         if (offset.IsNull())
         {
             offset = 0;
         }
         if (length.IsNull())
         {
             length = file.Data.Length;
         }
         using (var ms = new MemoryStream(file.Data, (int)offset, (int)length))
         {
             using (var sr = new StreamReader(ms))
             {
                 IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(HttpStatusCode.OK, null, sr.ReadToEnd());
                 return Task.FromResult(response);
             }
         }
     }
     throw new FileNotFoundException("File cannot be found.");
 }
 /// <summary>
 ///     Make the given file and all non-existent parents into directories. Has the semantics of Unix 'mkdir -p'. Existence
 ///     of the directory hierarchy is not an error.
 /// </summary>
 /// <param name="path">Path to directory</param>
 /// <returns>Confirmation message with success indicator flag.</returns>
 public Task<IHttpResponseMessageAbstraction> CreateDirectory(string path)
 {
     ApplianceStorageSimulatorItem file = this.GetItem(path);
     string message;
     if (file.IsNotNull())
     {
         message = "{\"boolean\": false}";
     }
     else
     {
         file = this.CreateTree(path, DirectoryEntryType.DIRECTORY);
         ApplianceStorageSimulatorItem parent = GetItem(path, true);
         this.UpdateParrentContentSummary(parent);
         message = "{\"boolean\": true}";
     }
     IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(HttpStatusCode.OK, null, message);
     return Task.FromResult(response);
 }
        /// <summary>
        ///     List the statuses of the files/directories in the given path if the path is a directory.
        /// </summary>
        /// <param name="path">Path to directory</param>
        /// <returns>
        ///     The statuses of the files/directories in the given path returns null, if path does not exist in the file
        ///     system
        /// </returns>
        public Task<IHttpResponseMessageAbstraction> ListStatus(string path)
        {
            ApplianceStorageSimulatorItem file = this.GetItem(path);
            if (file.IsNotNull())
            {
                var allStatuses = new DirectoryListing();
                var statuses = new List<DirectoryEntry>();

                foreach (ApplianceStorageSimulatorItem fileDetails in file.ChildItems.Values)
                {
                    statuses.Add(fileDetails.FileStatus);
                }
                allStatuses.Entries = statuses;
                var result = new DirectoryListingContainer() { Listing = allStatuses };
                IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(
                    HttpStatusCode.OK,
                    null,
                    this.ConvertToJson(result));
                return Task.FromResult(response);
            }
            throw new FileNotFoundException("File cannot be found.");
        }
Beispiel #14
0
        private void LogRequestResponseDetails(HttpResponseMessageAbstraction response)
        {
            bool isFirst;
            var  requestHeaders = this.GetFormatedRequestHeaders();

            isFirst = true;
            StringBuilder responseHeaders     = new StringBuilder();
            var           responseContentType = HttpConstants.ApplicationXml;

            foreach (var header in response.Headers)
            {
                if (!isFirst)
                {
                    responseHeaders.Append(string.Empty.PadLeft(15));
                }

                if (header.Key == HttpConstants.ContentTypeHeader && header.Value.IsNotNull())
                {
                    responseContentType = string.Join(",", header.Value);
                }

                responseHeaders.Append(header.Key);
                responseHeaders.Append(" = ");
                bool innerFirst = true;
                foreach (var value in header.Value)
                {
                    if (!innerFirst)
                    {
                        responseHeaders.Append(string.Empty.PadLeft(15 + header.Key.Length + 3));
                    }
                    responseHeaders.AppendLine(value);
                    innerFirst = false;
                }
                isFirst = false;
            }

            var formattedRequestContent = this.StringContent;

            if (this.ContentType == HttpConstants.ApplicationXml)
            {
                TryPrettyPrintXml(formattedRequestContent, out formattedRequestContent);
            }

            var formattedResponseContent = response.Content;

            if (responseContentType == HttpConstants.ApplicationXml)
            {
                TryPrettyPrintXml(formattedResponseContent, out formattedResponseContent);
            }

            string message = string.Format(CultureInfo.InvariantCulture,
                                           ResponseLogFormat,
                                           this.RequestUri,
                                           this.Method,
                                           this.ContentType,
                                           requestHeaders,
                                           formattedRequestContent,
                                           response.StatusCode,
                                           responseHeaders,
                                           formattedResponseContent,
                                           this.GetType().Assembly.GetName().Version);

            this.LogMessage(message, Severity.Informational, Verbosity.Detailed);
        }
 /// <summary>
 ///     Set permission of a path.
 /// </summary>
 /// <param name="path">Path to file/directory.</param>
 /// <param name="permission">The permission of a file/directory in OCTAL format.</param>
 /// <returns>Confirmation message</returns>
 public Task<IHttpResponseMessageAbstraction> SetPermission(string path, string permission)
 {
     ApplianceStorageSimulatorItem file = this.GetItem(path);
     if (file.IsNotNull())
     {
         file.FileStatus.Permission = permission;
         IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(HttpStatusCode.OK, null, String.Empty);
         return Task.FromResult(response);
     }
     throw new FileNotFoundException("File cannot be found.");
 }
 public Task<IHttpResponseMessageAbstraction> ReturnResponse(PassthroughResponse passthroughResponse)
 {
     string responsePayload;
     var converter = new ClusterProvisioningServerPayloadConverter();
     responsePayload = converter.SerailizeChangeRequestResponse(passthroughResponse);
     var response = new HttpResponseMessageAbstraction(HttpStatusCode.Accepted, new HttpResponseHeadersAbstraction(), responsePayload);
     return Task.FromResult((IHttpResponseMessageAbstraction)response);
 }
        /// <summary>
        ///     Delete file
        /// </summary>
        /// <param name="path">The path to delete.</param>
        /// <param name="recursive">
        ///     If path is a directory and set to true, the directory is deleted else throws an exception. In
        ///     case of a file the recursive can be set to either true or false.
        /// </param>
        /// <returns>Confirmation message with 'true' in message content if delete is successful, else 'false'.</returns>
        public Task<IHttpResponseMessageAbstraction> Delete(string path, bool? recursive)
        {
            var pathInfo = new PathInfo(new Uri(this.credentials.Server, path));

            ApplianceStorageSimulatorItem item = this.GetItem(pathInfo, true);
            if (item.IsNotNull() && item.ChildItems.ContainsKey(pathInfo.PathParts[pathInfo.PathParts.Length - 1]))
            {
                item.ChildItems.Remove(pathInfo.PathParts[pathInfo.PathParts.Length - 1]);
            }
            this.UpdateParrentContentSummary(item);
            IHttpResponseMessageAbstraction response = new HttpResponseMessageAbstraction(HttpStatusCode.OK, null, "{\"boolean\": true}");
            return Task.FromResult(response);
        }