Initial commit

.gitignore

@@ -0,0 +1,185 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+
+# User-specific files
+*.suo
+*.user
+*.sln.docstates
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+build/
+bld/
+[Bb]in/
+[Oo]bj/
+
+# Roslyn cache directories
+*.ide/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+#NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+*_i.c
+*_p.c
+*_i.h
+*.ilk
+*.meta
+*.obj
+*.pch
+*.pdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opensdf
+*.sdf
+*.cachefile
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding addin-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+## TODO: Comment the next line if you want to checkin your
+## web deploy settings but do note that will include unencrypted
+## passwords
+*.pubxml
+
+# NuGet Packages Directory
+packages/*
+## TODO: If the tool you use requires repositories.config
+## uncomment the next line
+#!packages/repositories.config
+
+# Enable "build/" folder in the NuGet Packages folder since
+# NuGet packages use it for MSBuild targets.
+# This line needs to be after the ignore of the build folder
+# (and the packages folder if the line above has been uncommented)
+!packages/build/
+
+# Windows Azure Build Output
+csx/
+*.build.csdef
+
+# Windows Store app package directory
+AppPackages/
+
+# Others
+sql/
+*.Cache
+ClientBin/
+[Ss]tyle[Cc]op.*
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.pfx
+*.publishsettings
+node_modules/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+
+# SQL Server files
+*.mdf
+*.ldf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+
+# Microsoft Fakes
+FakesAssemblies/

libnpsharp.sln

@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2013
+VisualStudioVersion = 12.0.21005.1
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "libnpsharp", "src\libnpsharp\libnpsharp.csproj", "{1A5AC63A-250E-4BC8-B81A-822AC31F5E37}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1A5AC63A-250E-4BC8-B81A-822AC31F5E37}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1A5AC63A-250E-4BC8-B81A-822AC31F5E37}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1A5AC63A-250E-4BC8-B81A-822AC31F5E37}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1A5AC63A-250E-4BC8-B81A-822AC31F5E37}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

libnpsharp.sln.DotSettings

@@ -0,0 +1,2 @@
+<wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=NPID/@EntryIndexedValue">NPID</s:String></wpf:ResourceDictionary>

src/libnpsharp/NPFileException.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace NPSharp
+{
+    class NpFileException : Exception
+    {
+        public NpFileException()
+            :base(@"Could not fetch file from NP server.")
+        {
+        }
+    }
+}

src/libnpsharp/NpClient.cs

@@ -0,0 +1,218 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Net;
+using System.Threading;
+using System.Threading.Tasks;
+using NPSharp.Rpc;
+using NPSharp.Rpc.Packets;
+
+namespace NPSharp
+{
+    /// <summary>
+    /// Represents a high-level network platform client.
+    /// </summary>
+    public class NpClient
+    {
+        private readonly RpcClientStream _rpc;
+        private CancellationTokenSource _cancellationTokenSource;
+        private CancellationToken _cancellationToken;
+
+        /// <summary>
+        /// Initializes the NP client with a specified host and port.
+        /// </summary>
+        /// <param name="host">The host to connect to.</param>
+        /// <param name="port">The port to use. Default: 3025.</param>
+        public NpClient(string host, ushort port = 3025)
+        {
+            _rpc = new RpcClientStream(host, port);
+        }
+
+        /// <summary>
+        /// The assigned NP user ID. Will be set on successful authentication.
+        /// </summary>
+        public ulong LoginId { get; private set; }
+
+        /// <summary>
+        /// The assigned session token for this client. Will be set on successful authentication.
+        /// </summary>
+        public string SessionToken { get; private set; }
+
+        // TODO: Handle connection failures via exception
+        /// <summary>
+        /// Connects the client to the NP server.
+        /// </summary>
+        /// <returns>True if the connection succeeded, otherwise false.</returns>
+        public bool Connect()
+        {
+            _cancellationTokenSource = new CancellationTokenSource();
+            _cancellationToken = _cancellationTokenSource.Token;
+
+            if (!_rpc.Open())
+                return false;
+
+            Task.Factory.StartNew(() =>
+            {
+                Debug.WriteLine("Processing thread start");
+
+                try
+                {
+                    while (true)
+                    {
+                        var message = _rpc.Read();
+                        if (message == null)
+                            continue;
+
+                        // TODO: log4net
+                        Console.WriteLine("Received packet ID {1} (type {0})", message.GetType().Name, message.MessageId);
+                    }
+                }
+                catch (ProtocolViolationException error)
+                {
+                    Console.WriteLine("Protocol violation: {0}. Disconnect imminent.", error.Message);
+                }
+
+                Debug.WriteLine("Processing thread exit");
+            }, _cancellationToken);
+
+            return true;
+        }
+
+        /// <summary>
+        /// Disconnects the client from the NP server.
+        /// </summary>
+        public void Disconnect()
+        {
+            _cancellationTokenSource.Cancel(true); // TODO: Find a cleaner way to cancel _processingTask (focus: _rpc.Read)
+            _rpc.Close();
+
+            LoginId = 0;
+        }
+
+        // TODO: Try to use an exception for failed action instead
+        /// <summary>
+        /// Authenticates this connection via a token. This token has to be requested via an external interface like remauth.php.
+        /// </summary>
+        /// <param name="token">The token to use for authentication</param>
+        /// <returns>True if the login succeeded, otherwise false.</returns>
+        public async Task<bool> AuthenticateWithToken(string token)
+        {
+            var tcs = new TaskCompletionSource<bool>();
+
+            _rpc.AttachCallback(packet =>
+            {
+                var result = (AuthenticateResultMessage) packet;
+                if (result.Result != 0)
+                    tcs.SetResult(false);
+                LoginId = result.NPID;
+                SessionToken = result.SessionToken;
+                tcs.SetResult(true);
+            });
+            _rpc.Send(new AuthenticateWithTokenMessage {Token = token});
+
+            return await tcs.Task;
+        }
+
+        // TODO: Try to use an exception for failed action instead
+        /// <summary>
+        /// Uploads a user file.
+        /// </summary>
+        /// <param name="filename">The file name to save the contents to on the server</param>
+        /// <param name="contents">The raw byte contents</param>
+        /// <returns>True if the upload succeeded, otherwise false.</returns>
+        public async Task<bool> UploadUserFile(string filename, byte[] contents)
+        {
+            var tcs = new TaskCompletionSource<bool>();
+
+            _rpc.AttachCallback(packet =>
+            {
+                var result = (StorageWriteUserFileResultMessage) packet;
+                if (result.Result != 0)
+                    tcs.SetResult(false);
+                tcs.SetResult(true);
+            });
+            _rpc.Send(new StorageWriteUserFileMessage {FileData = contents, FileName = filename, NPID = LoginId});
+
+            return await tcs.Task;
+        }
+        
+        /// <summary>
+        /// Downloads a user file and returns its contents.
+        /// </summary>
+        /// <param name="filename">The file to download</param>
+        /// <returns>File contents as byte array</returns>
+        public async Task<byte[]> GetUserFile(string filename)
+        {
+            var tcs = new TaskCompletionSource<byte[]>();
+
+            _rpc.AttachCallback(packet =>
+            {
+                var result = (StorageUserFileMessage) packet;
+                if (result.Result != 0)
+                {
+                    tcs.SetException(new NpFileException());
+                    return;
+                }
+                tcs.SetResult(result.FileData);
+            });
+            _rpc.Send(new StorageGetUserFileMessage {FileName = filename, NPID = LoginId});
+
+            return await tcs.Task;
+        }
+
+
+        /// <summary>
+        /// Downloads a user file onto the harddisk.
+        /// </summary>
+        /// <param name="filename">The file to download</param>
+        /// <param name="targetpath">Path where to save the file</param>
+        public async void DownloadUserFileTo(string filename, string targetpath)
+        {
+            var contents = await GetUserFile(filename);
+
+            File.WriteAllBytes(targetpath, contents);
+        }
+
+
+        /// <summary>
+        /// Downloads a publisher file and returns its contents.
+        /// </summary>
+        /// <param name="filename">The file to download</param>
+        /// <returns>File contents as byte array</returns>
+        public async Task<byte[]> GetPublisherFile(string filename)
+        {
+            var tcs = new TaskCompletionSource<byte[]>();
+
+            _rpc.AttachCallback(packet =>
+            {
+                var result = (StoragePublisherFileMessage) packet;
+                if (result.Result != 0)
+                {
+                    tcs.SetException(new NpFileException());
+                    return;
+                }
+                tcs.SetResult(result.FileData);
+            });
+            _rpc.Send(new StorageGetPublisherFileMessage {FileName = filename});
+
+            return await tcs.Task;
+        }
+
+        /// <summary>
+        /// Downloads a publisher file onto the harddisk.
+        /// </summary>
+        /// <param name="filename">The file to download</param>
+        /// <param name="targetpath">Path where to save the file</param>
+        public async void DownloadPublisherFileTo(string filename, string targetpath)
+        {
+            var contents = await GetPublisherFile(filename);
+
+            File.WriteAllBytes(targetpath, contents);
+        }
+
+        public void SendRandomString(string data)
+        {
+            _rpc.Send(new StorageSendRandomStringMessage() { RandomString=data });
+        }
+    }
+}

src/libnpsharp/Properties/AssemblyInfo.cs

@@ -0,0 +1,35 @@
+using System.Reflection;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden 
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die mit einer Assembly verknüpft sind.
+[assembly: AssemblyTitle(".NET NP library")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Icedream")]
+[assembly: AssemblyProduct(".NET NP library")]
+[assembly: AssemblyCopyright("© 2014 Icedream")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf "false" werden die Typen in dieser Assembly unsichtbar 
+// für COM-Komponenten.  Wenn Sie auf einen Typ in dieser Assembly von 
+// COM zugreifen müssen, legen Sie das ComVisible-Attribut für diesen Typ auf "true" fest.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("0efdd0b5-fd69-48fd-b714-f4f0e032f417")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion 
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
+// übernehmen, indem Sie "*" eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("0.1.0.0")]
+[assembly: AssemblyFileVersion("0.1.0.0")]

src/libnpsharp/Rpc/Packets/AuthenticateExternalStatusMessage.cs

@@ -0,0 +1,12 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1006)]
+    [ProtoContract]
+    class AuthenticateExternalStatusMessage : RpcServerMessage
+    {
+        [ProtoMember(1)]
+        public int Status { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/AuthenticateResultMessage.cs

@@ -0,0 +1,18 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1010)]
+    [ProtoContract]
+    class AuthenticateResultMessage : RpcServerMessage
+    {
+        [ProtoMember(1)]
+        public int Result { get; set; }
+
+        [ProtoMember(2)]
+        public ulong NPID { get; set; }
+
+        [ProtoMember(3)]
+        public string SessionToken { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/AuthenticateWithTokenMessage.cs

@@ -0,0 +1,12 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1003)]
+    [ProtoContract]
+    class AuthenticateWithTokenMessage : RpcClientMessage
+    {
+        [ProtoMember(1)]
+        public string Token { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/CloseAppMessage.cs

@@ -0,0 +1,12 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(2001)]
+    [ProtoContract]
+    class CloseAppMessage : RpcServerMessage
+    {
+        [ProtoMember(1)]
+        public string Reason { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/HelloMessage.cs

@@ -0,0 +1,22 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1000)]
+    [ProtoContract]
+    class HelloMessage : RpcServerMessage
+    {
+        // I seriously have no idea where in the code this is used but whatever
+        [ProtoMember(1)]
+        public int Number1 { get; set; }
+
+        [ProtoMember(2)]
+        public int Number2 { get; set; }
+
+        [ProtoMember(3)]
+        public string Name { get; set; }
+
+        [ProtoMember(4)]
+        public string String2 { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/MessagingSendDataMessage.cs

@@ -0,0 +1,15 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(2002)]
+    [ProtoContract]
+    class MessagingSendDataMessage : RpcClientMessage
+    {
+        [ProtoMember(1)]
+        public ulong NPID { get; set; }
+
+        [ProtoMember(2)]
+        public byte[] Data { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/PacketAttribute.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace NPSharp.Rpc.Packets
+{
+    class PacketAttribute : Attribute
+    {
+        public PacketAttribute(uint type)
+        {
+            Type = type;
+        }
+
+        public uint Type { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/RpcClientMessage.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Net;
+
+namespace NPSharp.Rpc.Packets
+{
+    public class RpcClientMessage : RpcMessage
+    {
+        public byte[] Serialize(uint id)
+        {
+            byte[] content;
+            using (var bufferStream = new MemoryStream())
+            {
+                ProtoBuf.Serializer.Serialize(bufferStream, this);
+                bufferStream.Seek(0, SeekOrigin.Begin);
+                content = bufferStream.ToArray();
+            }
+
+            var buffer = new List<byte>();
+            buffer.AddRange(BitConverter.GetBytes((uint)IPAddress.HostToNetworkOrder(Signature)));
+            buffer.AddRange(BitConverter.GetBytes((uint)IPAddress.HostToNetworkOrder(content.Length)));
+            buffer.AddRange(BitConverter.GetBytes((uint)IPAddress.HostToNetworkOrder(GetTypeId())));
+            buffer.AddRange(BitConverter.GetBytes((uint)IPAddress.HostToNetworkOrder(id)));
+            buffer.AddRange(content);
+
+            return buffer.ToArray();
+        }
+    }
+}

src/libnpsharp/Rpc/Packets/RpcMessage.cs

@@ -0,0 +1,15 @@
+using System.Linq;
+
+namespace NPSharp.Rpc.Packets
+{
+    public class RpcMessage
+    {
+        internal const uint Signature = 0xDEADC0DE; // I wonder if aiw3 changed this since kernal noted it in his source code.
+
+        public uint GetTypeId()
+        {
+            var packet = (PacketAttribute) GetType().GetCustomAttributes(typeof (PacketAttribute), false).Single();
+            return packet.Type;
+        }
+    }
+}

src/libnpsharp/Rpc/Packets/RpcServerMessage.cs

@@ -0,0 +1,67 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Linq;
+using System.Net;
+using System.Net.Sockets;
+using System.Reflection;
+
+namespace NPSharp.Rpc.Packets
+{
+    public class RpcServerMessage : RpcMessage
+    {
+        public uint MessageId { get; private set; }
+
+        public static RpcServerMessage Deserialize(NetworkStream ns)
+        {
+            var header = new byte[16];
+            var l = ns.Read(header, 0, header.Length);
+            if (l == 0)
+                return null;
+            if (l < 16)
+                 throw new ProtocolViolationException("Received incomplete header");
+
+            var signature = (uint)IPAddress.NetworkToHostOrder(BitConverter.ToUInt32(header, 0));
+            var length = (uint)IPAddress.NetworkToHostOrder(BitConverter.ToUInt32(header, 4));
+            var type = (uint)IPAddress.NetworkToHostOrder(BitConverter.ToUInt32(header, 8));
+            var buffer = new byte[length];
+            ns.Read(buffer, 0, buffer.Length);
+
+            if (signature != Signature)
+                throw new ProtocolViolationException("Received packet with invalid signature");
+
+            RpcServerMessage packet;
+
+            using (var ms = new MemoryStream(buffer))
+            {
+                var types = Assembly.GetExecutingAssembly().GetTypes().Where(
+                    t =>
+                        t.IsSubclassOf(typeof (RpcServerMessage))
+                        &&
+                        ((PacketAttribute) t.GetCustomAttributes(typeof (PacketAttribute), false).Single()).Type == type
+                    ).ToArray();
+                if (!types.Any())
+                {
+                    throw new ProtocolViolationException("Received packet of unknown type");
+                }
+                if (types.Count() > 1)
+                {
+#if DEBUG
+                    Debug.Fail(string.Format("Bug in program code: Found more than 1 type for packet ID {0}", type));
+#else
+                    // TODO: log4net
+                    return null;
+#endif
+                }
+                packet = (RpcServerMessage)ProtoBuf.Serializer.NonGeneric.Deserialize(
+                        types.Single(),
+                        ms
+                    );
+            }
+
+            packet.MessageId = (uint)IPAddress.NetworkToHostOrder(BitConverter.ToUInt32(header, 12));
+
+            return packet;
+        }
+    }
+}

src/libnpsharp/Rpc/Packets/StorageGetPublisherFileMessage.cs

@@ -0,0 +1,12 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [ProtoContract]
+    [Packet(1101)]
+    class StorageGetPublisherFileMessage : RpcClientMessage
+    {
+        [ProtoMember(1)]
+        public string FileName { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/StorageGetUserFileMessage.cs

@@ -0,0 +1,15 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1102)]
+    [ProtoContract]
+    class StorageGetUserFileMessage : RpcClientMessage
+    {
+        [ProtoMember(1)]
+        public string FileName { get; set; }
+        
+        [ProtoMember(2)]
+        public ulong NPID { get; set; } // SERIOUSLY WHY IS THIS EVEN HERE
+    }
+}

src/libnpsharp/Rpc/Packets/StoragePublisherFileMessage.cs

@@ -0,0 +1,18 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1111)]
+    [ProtoContract]
+    class StoragePublisherFileMessage : RpcServerMessage
+    {
+        [ProtoMember(1)]
+        public int Result { get; set; }
+
+        [ProtoMember(2)]
+        public string FileName { get; set; }
+
+        [ProtoMember(3)]
+        public byte[] FileData { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/StorageSendRandomStringMessage.cs

@@ -0,0 +1,12 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1104)]
+    [ProtoContract]
+    class StorageSendRandomStringMessage : RpcClientMessage
+    {
+        [ProtoMember(1)]
+        public string RandomString { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/StorageUserFileMessage.cs

@@ -0,0 +1,21 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1112)]
+    [ProtoContract]
+    class StorageUserFileMessage : RpcServerMessage
+    {
+        [ProtoMember(1)]
+        public int Result { get; set; }
+
+        [ProtoMember(2)]
+        public string FileName { get; set; }
+
+        [ProtoMember(3)]
+        public ulong NPID { get; set; }
+
+        [ProtoMember(4)]
+        public byte[] FileData { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/StorageWriteUserFileMessage.cs

@@ -0,0 +1,18 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1103)]
+    [ProtoContract]
+    class StorageWriteUserFileMessage : RpcClientMessage
+    {
+        [ProtoMember(1)]
+        public string FileName { get; set; }
+
+        [ProtoMember(2)]
+        public ulong NPID { get; set; }
+
+        [ProtoMember(3)]
+        public byte[] FileData { get; set; }
+    }
+}

src/libnpsharp/Rpc/Packets/StorageWriteUserFileResultMessage.cs

@@ -0,0 +1,18 @@
+using ProtoBuf;
+
+namespace NPSharp.Rpc.Packets
+{
+    [Packet(1113)]
+    [ProtoContract]
+    class StorageWriteUserFileResultMessage : RpcServerMessage
+    {
+        [ProtoMember(1)]
+        public int Result { get; set; }
+
+        [ProtoMember(2)]
+        public string FileName { get; set; }
+ 
+        [ProtoMember(3)]
+        public ulong NPID { get; set; }
+    }
+}

src/libnpsharp/Rpc/RpcClientStream.cs

@@ -0,0 +1,128 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Sockets;
+using NPSharp.Rpc.Packets;
+
+namespace NPSharp.Rpc
+{
+    /// <summary>
+    /// Represents a low-level client stream which can communicate with an NP server using RPC packets.
+    /// </summary>
+    public class RpcClientStream
+    {
+        private NetworkStream _ns;
+        private uint _id;
+
+        private readonly string _host;
+        private readonly ushort _port;
+
+        private readonly Dictionary<uint, Action<RpcServerMessage>> _callbacks = new Dictionary<uint, Action<RpcServerMessage>>(); 
+
+        /// <summary>
+        /// Initializes an RPC connection stream with a specified host and port.
+        /// </summary>
+        /// <param name="host">The host to connect to.</param>
+        /// <param name="port">The port to use. Default: 3025.</param>
+        public RpcClientStream(string host, ushort port = 3025)
+        {
+            _host = host;
+            _port = port;
+        }
+
+        /// <summary>
+        /// Opens the RPC stream to the NP server.
+        /// </summary>
+        /// <returns>True if the connection succeeded, otherwise false.</returns>
+        public bool Open()
+        {
+            // Connection already established?
+            if (_ns != null)
+                throw new InvalidOperationException("Connection already opened");
+
+            var tcp = new TcpClient();
+            try
+            {
+                tcp.Connect(_host, _port);
+            }
+            catch
+            {
+                return false;
+            }
+            _ns = tcp.GetStream();
+            return true;
+        }
+
+        /// <summary>
+        /// Closes the connection with the NP server.
+        /// </summary>
+        /// <param name="timeout"></param>
+        public void Close(int timeout = 2000)
+        {
+            // Connection already closed?
+            if (_ns == null)
+                throw new InvalidOperationException("Connection already closed");
+
+            try
+            {
+                _ns.Close(timeout);
+                _ns.Dispose();
+            }
+            finally
+            {
+                _ns = null;
+            }
+        }
+
+        /// <summary>
+        /// Attaches a callback to the next message being sent out. This allows handling response packets.
+        /// </summary>
+        /// <param name="callback">The method to call when we receive a response to the next message</param>
+        public void AttachCallback(Action<RpcServerMessage> callback)
+        {
+            if (_callbacks.ContainsKey(_id))
+                throw new Exception("There is already a callback for the current message. You can only add max. one callback.");
+            _callbacks.Add(_id, callback);
+        }
+
+        // TODO: Exposure of message ID needed or no?
+        /// <summary>
+        /// Sends out an RPC message.
+        /// </summary>
+        /// <param name="message">The RPC message to send out.</param>
+        /// <returns>The new ID of the message.</returns>
+        public uint Send(RpcClientMessage message)
+        {
+            if (_ns == null)
+                throw new InvalidOperationException("You need to open the stream first.");
+
+            var buffer = message.Serialize(_id);
+
+            _ns.Write(buffer, 0, buffer.Length);
+
+            return _id++;
+        }
+
+        /// <summary>
+        /// Waits for the next RPC message from the server and reads it.
+        /// </summary>
+        /// <returns>The received server message.</returns>
+        public RpcServerMessage Read()
+        {
+            if (_ns == null)
+                throw new InvalidOperationException("You need to open the stream first.");
+
+            var message = RpcServerMessage.Deserialize(_ns);
+
+            if (message == null)
+                return null;
+
+            if (!_callbacks.ContainsKey(message.MessageId))
+                return message;
+
+            _callbacks[message.MessageId].Invoke(message);
+            _callbacks.Remove(message.MessageId);
+
+            return message;
+        }
+    }
+}

src/libnpsharp/libnpsharp.csproj

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{1A5AC63A-250E-4BC8-B81A-822AC31F5E37}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>NPSharp</RootNamespace>
+    <AssemblyName>libnpsharp</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="protobuf-net">
+      <HintPath>..\packages\protobuf-net.2.0.0.668\lib\net40\protobuf-net.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="NpClient.cs" />
+    <Compile Include="NPFileException.cs" />
+    <Compile Include="Rpc\RpcClientStream.cs" />
+    <Compile Include="Rpc\Packets\AuthenticateExternalStatusMessage.cs" />
+    <Compile Include="Rpc\Packets\AuthenticateResultMessage.cs" />
+    <Compile Include="Rpc\Packets\AuthenticateWithTokenMessage.cs" />
+    <Compile Include="Rpc\Packets\CloseAppMessage.cs" />
+    <Compile Include="Rpc\Packets\HelloMessage.cs" />
+    <Compile Include="Rpc\Packets\MessagingSendDataMessage.cs" />
+    <Compile Include="Rpc\Packets\RpcMessage.cs" />
+    <Compile Include="Rpc\Packets\PacketAttribute.cs" />
+    <Compile Include="Rpc\Packets\RpcClientMessage.cs" />
+    <Compile Include="Rpc\Packets\RpcServerMessage.cs" />
+    <Compile Include="Rpc\Packets\StorageGetUserFileMessage.cs" />
+    <Compile Include="Rpc\Packets\StorageGetPublisherFileMessage.cs" />
+    <Compile Include="Rpc\Packets\StoragePublisherFileMessage.cs" />
+    <Compile Include="Rpc\Packets\StorageSendRandomStringMessage.cs" />
+    <Compile Include="Rpc\Packets\StorageUserFileMessage.cs" />
+    <Compile Include="Rpc\Packets\StorageWriteUserFileMessage.cs" />
+    <Compile Include="Rpc\Packets\StorageWriteUserFileResultMessage.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <ItemGroup />
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>

src/libnpsharp/packages.config

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="protobuf-net" version="2.0.0.668" targetFramework="net40" />
+</packages>