diff --git a/examples/clojure/README.md b/examples/clojure/README.md deleted file mode 100644 index 28eeefb..0000000 --- a/examples/clojure/README.md +++ /dev/null @@ -1,3 +0,0 @@ -Clojure Language Binding API for the ZeroTier SDK -====== - diff --git a/examples/cpp_simple/README.md b/examples/cpp_simple/README.md deleted file mode 100644 index f63c360..0000000 --- a/examples/cpp_simple/README.md +++ /dev/null @@ -1,3 +0,0 @@ -C\C++ Language Binding API for the ZeroTier SDK -====== - diff --git a/test/client.cpp b/examples/cpp_simple/client.cpp similarity index 100% rename from test/client.cpp rename to examples/cpp_simple/client.cpp diff --git a/test/server.cpp b/examples/cpp_simple/server.cpp similarity index 100% rename from test/server.cpp rename to examples/cpp_simple/server.cpp diff --git a/examples/cpp_vsproj_dll/README.md b/examples/cpp_vsproj_dll/README.md new file mode 100644 index 0000000..4ea215d --- /dev/null +++ b/examples/cpp_vsproj_dll/README.md @@ -0,0 +1,11 @@ +## libzt in C++ via DLL import +*** + + - Add [libzt.dll]() and [libzt.lib]() to solution as existing items. + - Place [libzt.dll](libzt.dll) in the same directory as the executable. + - Include `libzt.h` in application source. + - Access functions grlobally like so: `zts_socket(...)` + +*** + +The Windows `.dll` and `.lib` files are provided pre-built at the above links, but if you'd like build instructions you can check out [BUILDING.md](../../BUILDING.md) \ No newline at end of file diff --git a/examples/csharp/DotNetWrapper.cs b/examples/csharp/DotNetWrapper.cs deleted file mode 100755 index 126e328..0000000 --- a/examples/csharp/DotNetWrapper.cs +++ /dev/null @@ -1,416 +0,0 @@ -/* - * ZeroTier SDK - Network Virtualization Everywhere - * Copyright (C) 2011-2017 ZeroTier, Inc. https://www.zerotier.com/ - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - * - * -- - * - * You can be released from the requirements of the license by purchasing - * a commercial license. Buying such a license is mandatory as soon as you - * develop commercial closed-source software that incorporates or links - * directly against ZeroTier software without disclosing the source code - * of your own application. - */ - -using UnityEngine; -using UnityEngine.UI; -using UnityEngine.Networking; - -using System; -using System.Collections; -using System.Runtime.InteropServices; -using System.Threading; -using System.Net.Sockets; -using System.Net; -using System.IO; -using System.Collections.Generic; -using System.Globalization; - -// TODO: -/* - * check for mem leaks surrounding managed/unmanaged barrier - * find root of 2X buffer size requirement issue - * check that cross-thread oprations are handled correctly - * check that .IsRunning() doesn't bork the entire system anymore - * Allow max packet size configuration - * Handle exceptions from unmanaged code - * */ - -// Provides a bare-bones interface to ZeroTier-administered sockets -public class ZTSDK { - - // ZeroTier background thread - protected Thread ztThread; - protected List connections = new List (); - protected int MaxPacketSize; - - // Only allow one network at a time for BETA - protected bool joined_to_network = false; - protected string nwid = ""; - protected string path = ""; - - // Platform-specific paths and bundle/libary names - #if UNITY_STANDALONE_OSX || UNITY_EDITOR_OSX - const string DLL_PATH = "ZeroTierSDK_Unity3D_OSX"; - protected string rpc_path = "/Library/Application\\ Support/ZeroTier/SDK/"; - #endif - #if UNITY_IOS || UNITY_IPHONE - const string DLL_PATH = "ZeroTierSDK_Unity3D_iOS"; - protected string rpc_path = "ZeroTier/One/"; - #endif - #if UNITY_STANDALONE_WIN || UNITY_EDITOR_WIN - const string DLL_PATH = "ZeroTierSDK_Unity3D_WIN"; - protected string rpc_path = ""; - #endif - #if UNITY_STANDALONE_LINUX - const string DLL_PATH = "ZeroTierSDK_Unity3D_LINUX"; - protected string rpc_path = ""; - #endif - #if UNITY_ANDROID - const string DLL_PATH = "ZeroTierSDK_Unity3D_ANDROID"; - protected string rpc_path = "ZeroTier/One/"; - #endif - -#region DLL Imports - // ZeroTier service / debug initialization - [DllImport (DLL_PATH)] - public static extern void SetDebugFunction( IntPtr fp ); - [DllImport (DLL_PATH)] - private static extern int unity_start_service(string path); - [DllImport (DLL_PATH)] - private static extern int unity_start_service_and_rpc(string path, string nwid); - [DllImport (DLL_PATH)] - protected static extern bool zts_is_running(); - [DllImport (DLL_PATH)] - protected static extern void zts_stop_service(); - - // Connection calls - [DllImport (DLL_PATH)] - protected static extern int zts_socket(int family, int type, int protocol); - - [DllImport (DLL_PATH)] - unsafe protected static extern int zts_bind(int sockfd, System.IntPtr addr, int addrlen); - [DllImport (DLL_PATH)] - unsafe protected static extern int zts_connect(int sockfd, System.IntPtr addr, int addrlen); - - [DllImport (DLL_PATH)] - protected static extern int zts_accept(int sockfd); - [DllImport (DLL_PATH)] - protected static extern int zts_listen(int sockfd, int backlog); - [DllImport (DLL_PATH)] - protected static extern int zts_close(int sockfd); - - // RX / TX - [DllImport (DLL_PATH)] - unsafe protected static extern int zts_recv(int sockfd, [In, Out] IntPtr buf, int len); - [DllImport (DLL_PATH)] - unsafe protected static extern int zts_send(int sockfd, IntPtr buf, int len); - [DllImport (DLL_PATH)] - unsafe protected static extern int zts_set_nonblock(int sockfd); - - [DllImport (DLL_PATH)] - unsafe protected static extern int zts_sendto(int fd, IntPtr buf, int len, int flags, System.IntPtr addr, int addrlen); - [DllImport (DLL_PATH)] - unsafe protected static extern int zts_recvfrom(int fd, [In, Out] IntPtr buf, int len, int flags, System.IntPtr addr, int addrlen); - - // ZT Network controls - [DllImport (DLL_PATH)] - protected static extern void zts_join_network(string nwid); - [DllImport (DLL_PATH)] - protected static extern void zts_leave_network(string nwid); -#endregion - - // Interop structures - [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential, CharSet=System.Runtime.InteropServices.CharSet.Ansi)] - public struct sockaddr { - /// u_short->unsigned short - public ushort sa_family; - /// char[14] - [System.Runtime.InteropServices.MarshalAsAttribute(System.Runtime.InteropServices.UnmanagedType.ByValTStr, SizeConst=14)] - public string sa_data; - } - - [UnmanagedFunctionPointer(CallingConvention.Cdecl)] - public delegate void MyDelegate(string str); - - // Debug output callback - static void CallBackFunction(string str) { - Debug.Log("ZeroTier: " + str); - } - - - // Returns a path for RPC communications to the service - private string rpcCommPath() - { - if(path != "" && nwid != "") { - return path + "nc_" + nwid; - } - return ""; - } - - // Thread which starts the ZeroTier service - protected void zt_service_thread() - { - // Set up debug callback - MyDelegate callback_delegate = new MyDelegate( CallBackFunction ); - IntPtr intptr_delegate = Marshal.GetFunctionPointerForDelegate(callback_delegate); - SetDebugFunction( intptr_delegate ); - - // Start service - /* This new instance will communicate via a named pipe, so any - * API calls (ZeroTier.Connect(), ZeroTier.Send(), etc) will be sent to the service - * via this pipe. - */ - if(nwid.Length > 0) { - unity_start_service_and_rpc (path, nwid); - } - else { - unity_start_service(rpcCommPath()); - } - } - - // Returns the nwid of the network you're currently connected to - public string GetNetworkID() { - return nwid; - } - - // Returns whether you're currently connected to a network - public bool IsConnected() { - return nwid != ""; - } - - // Start the ZeroTier service - protected void Init() - { - ztThread = new Thread(() => { - try { - zt_service_thread(); - } catch(Exception e) { - Debug.Log(e.Message.ToString()); - } - }); - ztThread.IsBackground = true; // Allow the thread to be aborted safely - ztThread.Start(); - } - - // Initialize the ZeroTier service with a given path - public ZTSDK(string path, string nwid) { - Debug.Log("ZTSDK(): " + nwid); - - this.path = path; - this.nwid = nwid; - Init(); - } - - public ZTSDK (string path) { - this.path = path; - Init(); - } - - // Initialize the ZeroTier service - public ZTSDK() { - Init(); - } - -#region Network Handling - // Joins a ZeroTier virtual network - public bool JoinNetwork(string nwid) - { - if(!joined_to_network) { - zts_join_network(nwid); - return true; - } - return false; - } - - // Leaves a ZeroTier virtual network - public bool LeaveNetwork(string nwid) - { - if(!joined_to_network) { - return false; - } - else { - zts_leave_network(nwid); - return true; - } - } -#endregion - - // Creates a new ZeroTier-administered socket - public int Socket(int family, int type, int protocol) - { - return zts_socket (family, type, protocol); - } - - // Binds to a specific address - public int Bind(int fd, string addr, int port) - { - GCHandle sockaddr_ptr = Generate_unmananged_sockaddr(addr + ":" + port); - IntPtr pSockAddr = sockaddr_ptr.AddrOfPinnedObject (); - int addrlen = Marshal.SizeOf (pSockAddr); - return zts_bind (fd, pSockAddr, addrlen); - } - - // Listens for an incoming connection request - public int Listen(int fd, int backlog) - { - return zts_listen(fd, backlog); - } - - // Accepts an incoming connection - public int Accept(int fd) - { - return zts_accept (fd); - } - - // Closes a connection - public int Close(int fd) - { - return Close (fd); - } - - // Connects to a remote host - public int Connect(int fd, string addr, int port) - { - GCHandle sockaddr_ptr = Generate_unmananged_sockaddr(addr + ":" + port); - IntPtr pSockAddr = sockaddr_ptr.AddrOfPinnedObject (); - int addrlen = Marshal.SizeOf (pSockAddr); - return zts_connect (fd, pSockAddr, addrlen); - } - - public int Read(int fd, ref char[] buf, int len) - { - GCHandle handle = GCHandle.Alloc(buf, GCHandleType.Pinned); - IntPtr ptr = handle.AddrOfPinnedObject(); - int bytes_read = zts_recv (fd, ptr, len*2); - string str = Marshal.PtrToStringAuto(ptr); - //Marshal.Copy (ptr, buf, 0, bytes_read); - buf = Marshal.PtrToStringAnsi(ptr).ToCharArray(); - return bytes_read; - } - - public int Write(int fd, char[] buf, int len) - { - GCHandle handle = GCHandle.Alloc(buf, GCHandleType.Pinned); - IntPtr ptr = handle.AddrOfPinnedObject(); - //error = 0; - int bytes_written; - // FIXME: Sending a length of 2X the buffer size seems to fix the object pinning issue - if((bytes_written = zts_send(fd, ptr, len*2)) < 0) { - //error = (byte)bytes_written; - } - return bytes_written; - } - - // Sends data to an address - public int SendTo(int fd, char[] buf, int len, int flags, string addr, int port) - { - GCHandle handle = GCHandle.Alloc(buf, GCHandleType.Pinned); - IntPtr ptr = handle.AddrOfPinnedObject(); - int bytes_written; - - // Form address structure - GCHandle sockaddr_ptr = Generate_unmananged_sockaddr(addr + ":" + port); - IntPtr pSockAddr = sockaddr_ptr.AddrOfPinnedObject (); - int addrlen = Marshal.SizeOf (pSockAddr); - - if((bytes_written = zts_sendto(fd, ptr, len*2, flags, pSockAddr, addrlen)) < 0) { - //error = (byte)bytes_written; - } - return bytes_written; - } - - // Receives data from an address - public int RecvFrom(int fd, ref char[] buf, int len, int flags, string addr, int port) - { - GCHandle handle = GCHandle.Alloc(buf, GCHandleType.Pinned); - IntPtr ptr = handle.AddrOfPinnedObject(); - - // Form address structure - GCHandle sockaddr_ptr = Generate_unmananged_sockaddr(addr + ":" + port); - IntPtr pSockAddr = sockaddr_ptr.AddrOfPinnedObject (); - int addrlen = Marshal.SizeOf (pSockAddr); - - int bytes_read = zts_recvfrom(fd, ptr, len*2, flags, pSockAddr, addrlen); - string str = Marshal.PtrToStringAuto(ptr); - //Marshal.Copy (ptr, buf, 0, bytes_read); - buf = Marshal.PtrToStringAnsi(ptr).ToCharArray(); - return bytes_read; - } - -#region Service-Related calls - // Returns whether the ZeroTier service is currently running - public bool IsRunning() - { - return zts_is_running (); - } - - // Terminates the ZeroTier service - public void Terminate() - { - zts_stop_service (); - } -#endregion - - -// --- Utilities --- - - - // Handles IPv4 and IPv6 notation. - public static IPEndPoint CreateIPEndPoint(string endPoint) - { - string[] ep = endPoint.Split(':'); - if (ep.Length < 2) throw new FormatException("Invalid endpoint format"); - IPAddress ip; - if (ep.Length > 2) { - if (!IPAddress.TryParse(string.Join(":", ep, 0, ep.Length - 1), out ip)) { - throw new FormatException("Invalid ip-adress"); - } - } - else { - if (!IPAddress.TryParse(ep[0], out ip)) { - throw new FormatException("Invalid ip-adress"); - } - } - int port; - if (!int.TryParse(ep[ep.Length - 1], NumberStyles.None, NumberFormatInfo.CurrentInfo, out port)) { - throw new FormatException("Invalid port"); - } - return new IPEndPoint(ip, port); - } - - // Generates an unmanaged sockaddr structure from a string-formatted endpoint - public static GCHandle Generate_unmananged_sockaddr(string endpoint_str) - { - IPEndPoint ipEndPoint; - ipEndPoint = CreateIPEndPoint (endpoint_str); - SocketAddress socketAddress = ipEndPoint.Serialize (); - - // use an array of bytes instead of the sockaddr structure - byte[] sockAddrStructureBytes = new byte[socketAddress.Size]; - GCHandle sockAddrHandle = GCHandle.Alloc (sockAddrStructureBytes, GCHandleType.Pinned); - for (int i = 0; i < socketAddress.Size; ++i) { - sockAddrStructureBytes [i] = socketAddress [i]; - } - return sockAddrHandle; - } - - public static GCHandle Generate_unmanaged_buffer(byte[] buf) - { - // use an array of bytes instead of the sockaddr structure - GCHandle sockAddrHandle = GCHandle.Alloc (buf, GCHandleType.Pinned); - return sockAddrHandle; - } -} diff --git a/examples/csharp_vsproj_dll/README.md b/examples/csharp_vsproj_dll/README.md new file mode 100644 index 0000000..42aa34c --- /dev/null +++ b/examples/csharp_vsproj_dll/README.md @@ -0,0 +1,11 @@ +## libzt in C# via DLL import +*** + + - Add [libzt.dll]() and [libzt.lib]() to solution as existing items. + - Place [libzt.dll](libzt.dll) in the same directory as the executable. + - Add `using ZeroTier;` to beginning of application source. + - Access functions via `static class libzt`. For example, `libzt.zt_socket(...)` + +*** + +The Windows `.dll` and `.lib` files are provided pre-built at the above links, but if you'd like build instructions you can check out [BUILDING.md](../../BUILDING.md) \ No newline at end of file