6 files changed, 470 insertions, 0 deletions
diff --git a/src/libjin-lua/modules/net/je_lua_buffer.cpp b/src/libjin-lua/modules/net/je_lua_buffer.cpp
new file mode 100644
index 0000000..10e7143
--- /dev/null
+++ b/src/libjin-lua/modules/net/je_lua_buffer.cpp
@@ -0,0 +1,136 @@
+#include "common/je_lua_object.h"
+#include "common/je_lua_common.h"
+#include "libjin/jin.h"
+#include "je_lua_buffer.h"
+
+using namespace JinEngine::Lua::Net;
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        const char* Jin_Lua_Buffer = "Buffer";
+
+        static inline Net::Buffer* checkNetBuffer(lua_State* L)
+        {
+            LuaObject* luaObj = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Buffer);
+            return luaObj->getObject<Net::Buffer>();
+        }
+
+        // net.Buffer:append(value) -> value_length
+        LUA_IMPLEMENT int l_append(lua_State* L)
+        {
+            Buffer* buffer = checkNetBuffer(L);
+            const int vp = 2;
+            if (luax_isintegerstrict(L, vp))
+            {
+                int n = luax_checkinteger(L, vp);
+                int size = sizeof(n);
+                buffer->append(&n, size);
+                luax_pushinteger(L, size);
+                return 1;
+            } 
+            else if (luax_isfloatstrict(L, vp))
+            {
+                float n = luax_checknumber(L, vp);
+                int size = sizeof(n);
+                buffer->append(&n, size);
+                luax_pushinteger(L, size);
+                return 1;
+            }
+            else if (luax_isbooleanstrict(L, vp))
+            {
+                bool n = luax_checkbool(L, vp);
+                int size = sizeof(n);
+                buffer->append(&n, size);
+                luax_pushinteger(L, size);
+                return 1;
+            }
+            else if (luax_isstringstrict(L, vp))
+            {
+                const char* str = luax_checkstring(L, vp);
+                int size = strlen(str) + 1;
+                buffer->append(str, size);
+                luax_pushinteger(L, size);
+                return 1;
+            }
+            else
+            {
+                luax_typerror(L, vp, "number, bool or string");
+                return 0;
+            }
+        }
+
+        // net.Buffer:grabString(offset) -> string, length
+        LUA_IMPLEMENT int l_grabString(lua_State* L)
+        {
+            Buffer* buffer = checkNetBuffer(L);
+            int offset = luax_checkinteger(L, 2);
+            unsigned int len;
+            char* data = buffer->grabString(&len, offset);
+            Array<char> str;
+            str.bind(data, len);
+            luax_pushstring(L, &str);
+            luax_pushinteger(L, str.count());
+            return 2;
+        }
+
+        // net.Buffer:grabInteger(offset) -> integer, length
+        LUA_IMPLEMENT int l_grabInteger(lua_State* L)
+        {
+            Buffer* buffer = checkNetBuffer(L);
+            int offset = luax_checkinteger(L, 2);
+            int len;
+            int integer = buffer->grabInteger(&len, offset);
+            luax_pushinteger(L, integer);
+            luax_pushinteger(L, len);
+            return 2;
+        }
+
+        LUA_IMPLEMENT int l_grabFloat(lua_State* L)
+        {
+            Buffer* buffer = checkNetBuffer(L);
+            int offset = luax_checkinteger(L, 2);
+            int len;
+            float floatv = buffer->grabFloat(&len, offset);
+            luax_pushnumber(L, floatv);
+            luax_pushinteger(L, len);
+            return 2;
+        }
+
+        LUA_IMPLEMENT int l_grabBoolean(lua_State* L)
+        {
+            Buffer* buffer = checkNetBuffer(L);
+            int offset = luax_checkinteger(L, 2);
+            int len;
+            bool boolean = buffer->grabBoolean(&len, offset);
+            luax_pushboolean(L, boolean);
+            luax_pushinteger(L, len);
+            return 2;
+        }
+
+        LUA_IMPLEMENT int l_gc(lua_State* L)
+        {
+            LuaObject* luaObj = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Buffer);
+            luaObj->release();
+            return 0;
+        }
+
+        LUA_EXPORT void luaopen_Buffer(lua_State* L)
+        {
+            luaL_Reg netbuffer_function[] = {
+                { "__gc",           l_gc          },
+                { "append",         l_append      },
+                { "grabString",     l_grabString  },
+                { "grabInteger",    l_grabInteger },
+                { "grabBoolean",    l_grabBoolean },
+                { "grabFloat",      l_grabFloat   },
+                { 0,                0             }
+            };
+
+            luax_newtype(L, Jin_Lua_Buffer, netbuffer_function);
+        }
+
+    } // namespace Lua
+} // namespace JinEngine
+\ No newline at end of file
diff --git a/src/libjin-lua/modules/net/je_lua_buffer.h b/src/libjin-lua/modules/net/je_lua_buffer.h
new file mode 100644
index 0000000..974e23a
--- /dev/null
+++ b/src/libjin-lua/modules/net/je_lua_buffer.h
@@ -0,0 +1,102 @@
+#ifndef __JIN_LUA_NET_NETBUFFER_H
+#define __JIN_LUA_NET_NETBUFFER_H
+
+#include <cstring>
+#include <cstdlib>
+#include "common/je_lua_common.h"
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        extern const char* Jin_Lua_Buffer;
+
+        void luaopen_Buffer(lua_State* L);
+
+        namespace Net
+        {
+
+            class Buffer : public Object
+            {
+            public:
+                Buffer(size_t s = 0)
+                    : size(s)
+                {
+                    buffer = new char[size];
+                    memset(buffer, 0, size);
+                }
+
+                Buffer(const char* data, size_t s)
+                    : size(s)
+                {
+                    buffer = new char[size];
+                    memcpy(buffer, data, size);
+                }
+
+                ~Buffer()
+                {
+                    if (buffer != nullptr)
+                    {
+                        delete[] buffer;
+                        buffer = nullptr;
+                        size = 0;
+                    }
+                }
+
+                void append(const void* data, size_t s)
+                {
+                    if (data == nullptr)
+                        return;
+                    char* buf = buffer;
+                    buffer = new char[size + s];
+                    memcpy(buffer, buf, size);
+                    memcpy(buffer + size, data, s);
+                    delete[] buf;
+                    size += s;
+                    return;
+                }
+
+                /* grab and create a string */
+                char* grabString(unsigned int* length, int offset = 0)
+                {
+                    int l = offset;
+                    for (; l < size; ++l)
+                    {
+                        if (buffer[l] == 0)
+                            break;
+                    }
+                    *length = l - offset + 1;
+                    char* str = (char*)malloc(*length);
+                    memcpy(str, buffer + offset, *length);
+                    return str;
+                }
+
+                int grabInteger(int* length, int offset = 0)
+                {
+                    *length = sizeof(int);
+                    return *((int*)(buffer + offset));
+                }
+
+                float grabFloat(int* length, int offset = 0)
+                {
+                    *length = sizeof(float);
+                    return *((float*)(buffer + offset));
+                }
+
+                bool grabBoolean(int* length, int offset = 0)
+                {
+                    *length = sizeof(bool);
+                    return *((bool*)(buffer + offset));
+                }
+
+                char* buffer;
+                size_t size;
+
+            };
+
+        } // namespace Net
+    } // namespace Lua
+} // namespace JinEngine
+
+#endif
+\ No newline at end of file
diff --git a/src/libjin-lua/modules/net/je_lua_net.cpp b/src/libjin-lua/modules/net/je_lua_net.cpp
new file mode 100644
index 0000000..fad6fc5
--- /dev/null
+++ b/src/libjin-lua/modules/net/je_lua_net.cpp
@@ -0,0 +1,79 @@
+#include "common/je_lua_object.h"
+#include "libjin/jin.h"
+#include "common/je_lua_common.h"
+
+#include "je_lua_buffer.h"
+#include "je_lua_socket.h"
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        using namespace JinEngine::Lua::Net;
+        using namespace JinEngine::Net;
+
+        LUA_IMPLEMENT int l_initNetwork(lua_State* L)
+        {
+            JinEngine::Net::NetManager::get()->start();
+            return 1;
+        }
+    
+        LUA_IMPLEMENT int l_Socket(lua_State* L)
+        {
+            SocketInformation info = { 0 };
+            {
+                const char* socketType = luax_checkstring(L, 1);
+                if (strcmp(socketType, "TCP") == 0)
+                    info.type = SocketType::TCP;
+                else if (strcmp(socketType, "UDP") == 0)
+                    info.type = SocketType::UDP;
+                else
+                {
+                    luax_error(L, "jin.net.Socket() first paramter wrong, must be TCP or UDP");
+                    return 0;
+                }
+                // type, port
+                if (luax_gettop(L) == 2)
+                {
+                    info.port = luax_checkinteger(L, 2);
+                }
+                // type, address, port
+                else if (luax_gettop(L) == 3)
+                {
+                    if (luax_isstringstrict(L, 2))
+                        info.address = tk_strtohl(luax_checkstring(L, 2));
+                    else if (luax_isintegerstrict(L, 2))
+                        info.address = luax_checkinteger(L, 2);
+                    info.port = luax_checkinteger(L, 3);
+                }
+            }
+            Socket* socket = new Socket(info);
+            LuaObject* luaObj = luax_newinstance(L, Jin_Lua_Socket, new Shared(socket));
+            return 1;
+        }
+
+        LUA_IMPLEMENT int l_Buffer(lua_State* L)
+        {
+            int size = luax_checkinteger(L, 1);
+            Net::Buffer* buffer = new Net::Buffer(size);
+            LuaObject* luaObj = luax_newinstance(L, Jin_Lua_Buffer, new Shared(buffer));
+            return 1;
+        }
+
+        LUA_EXPORT int luaopen_net(lua_State* L)
+        {
+            luaopen_Socket(L);
+            luaopen_Buffer(L);
+            luaL_Reg methods[] = {
+                { "init",      l_initNetwork },
+                { "newSocket", l_Socket      },
+                { "newBuffer", l_Buffer      },
+                { 0,           0             }
+            };
+            luax_newlib(L, methods);
+            return 1;
+        }
+
+    } // namespace Lua
+} // namespace JinEngine
+\ No newline at end of file
diff --git a/src/libjin-lua/modules/net/je_lua_net.h b/src/libjin-lua/modules/net/je_lua_net.h
new file mode 100644
index 0000000..1542791
--- /dev/null
+++ b/src/libjin-lua/modules/net/je_lua_net.h
@@ -0,0 +1,14 @@
+#ifndef __JE_LUA_NET_H__
+#define __JE_LUA_NET_H__
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        int luaopen_net(lua_State* L);
+
+    }
+}
+
+#endif
+\ No newline at end of file
diff --git a/src/libjin-lua/modules/net/je_lua_socket.cpp b/src/libjin-lua/modules/net/je_lua_socket.cpp
new file mode 100644
index 0000000..d6cfe91
--- /dev/null
+++ b/src/libjin-lua/modules/net/je_lua_socket.cpp
@@ -0,0 +1,123 @@
+#include "common/je_lua_object.h"
+#include "common/je_lua_common.h"
+#include "libjin/jin.h"
+#include "je_lua_buffer.h"
+
+using namespace JinEngine::Net;
+using namespace JinEngine::Lua::Net;
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        const char* Jin_Lua_Socket = "Socket";
+
+        const int BUFFER_SIZE = 1024;
+
+        LUA_IMPLEMENT inline Socket* checkSocket(lua_State* L, int pos = 1)
+        {
+            LuaObject* luaObj = (LuaObject*)luax_checktype(L, pos, Jin_Lua_Socket);
+            return luaObj->getObject<Socket>();
+        }
+
+        LUA_IMPLEMENT inline Buffer* checkNetBuffer(lua_State* L, int pos = 1)
+        {
+            LuaObject* luaObj = (LuaObject*)luax_checktype(L, pos, Jin_Lua_Buffer);
+            return luaObj->getObject<Buffer>();
+        }
+
+        // return net.Socket
+        LUA_IMPLEMENT int l_accept(lua_State* L) 
+        {
+            Socket* socket = checkSocket(L);
+            Socket* client = socket->accept();
+            LuaObject* luaObj = luax_newinstance(L, Jin_Lua_Socket, new Shared(client));
+            return 1;
+        }
+    
+        // return net.Buffer
+        LUA_IMPLEMENT int l_receive(lua_State* L) 
+        {
+            Socket* socket = checkSocket(L);
+            char buffer[BUFFER_SIZE] = {0};
+            int size = socket->receive(buffer, BUFFER_SIZE);
+            Net::Buffer* netBuffer = new Net::Buffer(buffer, size);
+            LuaObject* luaObj = luax_newinstance(L, Jin_Lua_Buffer, new Shared(netBuffer));
+            return 1;
+        }
+    
+        // Socket:receiveFrom(address, port)
+        LUA_IMPLEMENT int l_receiveFrom(lua_State* L) 
+        {
+            Socket* socket = checkSocket(L);
+            int address = luax_checkinteger(L, 2);
+            int port = luax_checkinteger(L, 3);
+            char buffer[BUFFER_SIZE];
+            int size = socket->receiveFrom(buffer, BUFFER_SIZE, address, port);
+            Net::Buffer* netBuffer = new Net::Buffer(buffer, size);
+            LuaObject* luaObj = luax_newinstance(L, Jin_Lua_Buffer, new Shared(netBuffer));
+            return 1;
+        }
+
+        // Socket:send(net.Buffer) -> data_length
+        LUA_IMPLEMENT int l_send(lua_State* L) 
+        {
+            Socket* socket = checkSocket(L);
+            Buffer* buffer = checkNetBuffer(L, 2);
+            int len = socket->send(buffer->buffer, buffer->size);
+            luax_pushinteger(L, len);
+            return 1;
+        }
+    
+        // Socket:sendTo(address, port, net.Buffer)
+        LUA_IMPLEMENT int l_sendTo(lua_State* L) 
+        {
+            Socket* socket = checkSocket(L);
+            int address = luax_checkinteger(L, 2);
+            int port = luax_checkinteger(L, 3);
+            Buffer* buffer = checkNetBuffer(L, 4);
+            socket->sendTo(buffer->buffer, buffer->size, address, port);
+            return 0;
+        }
+    
+        LUA_IMPLEMENT int l_close(lua_State* L) 
+        {
+            Socket* socket = checkSocket(L);
+            socket->close();
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_configBlocking(lua_State* L) 
+        {
+            Socket* socket = checkSocket(L);
+            bool blocking = luax_checkbool(L, 2);
+            socket->configureBlocking(blocking);
+            return 0;
+        }
+
+        LUA_IMPLEMENT int l_gc(lua_State* L)
+        {
+            LuaObject* luaObj = (LuaObject*)luax_checktype(L, 1, Jin_Lua_Socket);
+            luaObj->release();
+            return 0;
+        }
+
+        LUA_EXPORT void luaopen_Socket(lua_State* L)
+        {
+            luaL_Reg socket_function[] = {
+                { "__gc",           l_gc             },
+                { "accept",         l_accept         },
+                { "receive",        l_receive        },
+                { "receiveFrom",    l_receiveFrom    },
+                { "send",           l_send           },
+                { "sendTo",         l_sendTo         },
+                { "close",          l_close          },
+                { "configBlocking", l_configBlocking },
+                { 0,                0                }
+            };
+            luax_newtype(L, Jin_Lua_Socket, socket_function);
+        }
+
+    } // namespace Lua
+} // namespace JinEngine
+\ No newline at end of file
diff --git a/src/libjin-lua/modules/net/je_lua_socket.h b/src/libjin-lua/modules/net/je_lua_socket.h
new file mode 100644
index 0000000..b33fac6
--- /dev/null
+++ b/src/libjin-lua/modules/net/je_lua_socket.h
@@ -0,0 +1,16 @@
+#ifndef __JE_LUA_SOCKET_H__
+#define __JE_LUA_SOCKET_H__
+
+namespace JinEngine
+{
+    namespace Lua
+    {
+
+        extern const char* Jin_Lua_Socket;
+
+        void luaopen_Socket(lua_State* L);
+
+    }
+}
+
+#endif
+\ No newline at end of file