From 9c5162041e6e0699283862b87e2e424bf8e3b8b8 Mon Sep 17 00:00:00 2001 From: Mattes D Date: Fri, 20 Feb 2015 14:28:05 +0100 Subject: cNetwork: Added UDP API. --- src/Bindings/ManualBindings_Network.cpp | 328 +++++++++++++++++++++++++++++--- 1 file changed, 297 insertions(+), 31 deletions(-) (limited to 'src/Bindings/ManualBindings_Network.cpp') diff --git a/src/Bindings/ManualBindings_Network.cpp b/src/Bindings/ManualBindings_Network.cpp index 30a34815c..a628eb9ca 100644 --- a/src/Bindings/ManualBindings_Network.cpp +++ b/src/Bindings/ManualBindings_Network.cpp @@ -11,6 +11,7 @@ #include "LuaTCPLink.h" #include "LuaNameLookup.h" #include "LuaServerHandle.h" +#include "LuaUDPEndpoint.h" @@ -73,6 +74,61 @@ static int tolua_cNetwork_Connect(lua_State * L) +/** Binds cNetwork::CreateUDPEndpoint */ +static int tolua_cNetwork_CreateUDPEndpoint(lua_State * L) +{ + // Function signature: + // cNetwork:CreateUDPEndpoint(Port, Callbacks) -> cUDPEndpoint + + cLuaState S(L); + if ( + !S.CheckParamUserTable(1, "cNetwork") || + !S.CheckParamNumber(2) || + !S.CheckParamTable(3) || + !S.CheckParamEnd(4) + ) + { + return 0; + } + + // Get the plugin instance: + cPluginLua * Plugin = GetLuaPlugin(L); + if (Plugin == nullptr) + { + // An error message has been already printed in GetLuaPlugin() + S.Push(false); + return 1; + } + + // Read the params: + int Port; + S.GetStackValues(2, Port); + + // Check validity: + if ((Port < 0) || (Port > 65535)) + { + LOGWARNING("cNetwork:CreateUDPEndpoint() called with invalid port (%d), failing the request.", Port); + S.Push(false); + return 1; + } + + // Create the LuaUDPEndpoint glue class: + auto Endpoint = std::make_shared(*Plugin, 3); + Endpoint->Open(Port, Endpoint); + + // Register the endpoint to be garbage-collected by Lua: + tolua_pushusertype(L, Endpoint.get(), "cUDPEndpoint"); + tolua_register_gc(L, lua_gettop(L)); + + // Return the endpoint object: + S.Push(Endpoint.get()); + return 1; +} + + + + + /** Binds cNetwork::HostnameToIP */ static int tolua_cNetwork_HostnameToIP(lua_State * L) { @@ -159,7 +215,7 @@ static int tolua_cNetwork_IPToHostname(lua_State * L) static int tolua_cNetwork_Listen(lua_State * L) { // Function signature: - // cNetwork:Listen(Port, Callbacks) -> bool + // cNetwork:Listen(Port, Callbacks) -> cServerHandle cLuaState S(L); if ( @@ -211,6 +267,90 @@ static int tolua_cNetwork_Listen(lua_State * L) +//////////////////////////////////////////////////////////////////////////////// +// cServerHandle bindings (routed through cLuaServerHandle): + +/** Called when Lua destroys the object instance. +Close the server and let it deallocate on its own (it's in a SharedPtr). */ +static int tolua_collect_cServerHandle(lua_State * L) +{ + cLuaServerHandle * Srv = static_cast(tolua_tousertype(L, 1, nullptr)); + Srv->Release(); + return 0; +} + + + + + +/** Binds cLuaServerHandle::Close */ +static int tolua_cServerHandle_Close(lua_State * L) +{ + // Function signature: + // ServerInstance:Close() + + cLuaState S(L); + if ( + !S.CheckParamUserType(1, "cServerHandle") || + !S.CheckParamEnd(2) + ) + { + return 0; + } + + // Get the server handle: + cLuaServerHandle * Srv; + if (lua_isnil(L, 1)) + { + LOGWARNING("cServerHandle:Close(): invalid server handle object. Stack trace:"); + S.LogStackTrace(); + return 0; + } + Srv = *static_cast(lua_touserdata(L, 1)); + + // Close it: + Srv->Close(); + return 0; +} + + + + + +/** Binds cLuaServerHandle::IsListening */ +static int tolua_cServerHandle_IsListening(lua_State * L) +{ + // Function signature: + // ServerInstance:IsListening() -> bool + + cLuaState S(L); + if ( + !S.CheckParamUserType(1, "cServerHandle") || + !S.CheckParamEnd(2) + ) + { + return 0; + } + + // Get the server handle: + cLuaServerHandle * Srv; + if (lua_isnil(L, 1)) + { + LOGWARNING("cServerHandle:IsListening(): invalid server handle object. Stack trace:"); + S.LogStackTrace(); + return 0; + } + Srv = *static_cast(lua_touserdata(L, 1)); + + // Close it: + S.Push(Srv->IsListening()); + return 1; +} + + + + + //////////////////////////////////////////////////////////////////////////////// // cTCPLink bindings (routed through cLuaTCPLink): @@ -549,14 +689,15 @@ static int tolua_cTCPLink_StartTLSServer(lua_State * L) //////////////////////////////////////////////////////////////////////////////// -// cServerHandle bindings (routed through cLuaServerHandle): +// cUDPEndpoint bindings (routed through cLuaUDPEndpoint): /** Called when Lua destroys the object instance. -Close the server and let it deallocate on its own (it's in a SharedPtr). */ -static int tolua_collect_cServerHandle(lua_State * L) +Close the endpoint and let it deallocate on its own (it's in a SharedPtr). */ +static int tolua_collect_cUDPEndpoint(lua_State * L) { - cLuaServerHandle * Srv = static_cast(tolua_tousertype(L, 1, nullptr)); - Srv->Release(); + LOGD("Lua: Collecting cUDPEndpoint"); + cLuaUDPEndpoint * Endpoint = static_cast(tolua_tousertype(L, 1, nullptr)); + Endpoint->Release(); return 0; } @@ -564,33 +705,32 @@ static int tolua_collect_cServerHandle(lua_State * L) -/** Binds cLuaServerHandle::Close */ -static int tolua_cServerHandle_Close(lua_State * L) +/** Binds cLuaUDPEndpoint::Close */ +static int tolua_cUDPEndpoint_Close(lua_State * L) { // Function signature: - // ServerInstance:Close() + // EndpointInstance:Close() cLuaState S(L); if ( - !S.CheckParamUserType(1, "cServerHandle") || + !S.CheckParamUserType(1, "cUDPEndpoint") || !S.CheckParamEnd(2) ) { return 0; } - // Get the server handle: - cLuaServerHandle * Srv; + // Get the endpoint: if (lua_isnil(L, 1)) { - LOGWARNING("cServerHandle:Close(): invalid server handle object. Stack trace:"); + LOGWARNING("cUDPEndpoint:Close(): invalid endpoint object. Stack trace:"); S.LogStackTrace(); return 0; } - Srv = *static_cast(lua_touserdata(L, 1)); + auto Endpoint = *static_cast(lua_touserdata(L, 1)); // Close it: - Srv->Close(); + Endpoint->Close(); return 0; } @@ -598,33 +738,147 @@ static int tolua_cServerHandle_Close(lua_State * L) -/** Binds cLuaServerHandle::IsListening */ -static int tolua_cServerHandle_IsListening(lua_State * L) +/** Binds cLuaUDPEndpoint::EnableBroadcasts */ +static int tolua_cUDPEndpoint_EnableBroadcasts(lua_State * L) { // Function signature: - // ServerInstance:IsListening() -> bool + // EndpointInstance:EnableBroadcasts() cLuaState S(L); if ( - !S.CheckParamUserType(1, "cServerHandle") || + !S.CheckParamUserType(1, "cUDPEndpoint") || !S.CheckParamEnd(2) ) { return 0; } - // Get the server handle: - cLuaServerHandle * Srv; + // Get the endpoint: if (lua_isnil(L, 1)) { - LOGWARNING("cServerHandle:IsListening(): invalid server handle object. Stack trace:"); + LOGWARNING("cUDPEndpoint:EnableBroadcasts(): invalid endpoint object. Stack trace:"); S.LogStackTrace(); return 0; } - Srv = *static_cast(lua_touserdata(L, 1)); + auto Endpoint = *static_cast(lua_touserdata(L, 1)); + + // Enable the broadcasts: + Endpoint->EnableBroadcasts(); + return 0; +} + + + + + +/** Binds cLuaUDPEndpoint::GetPort */ +static int tolua_cUDPEndpoint_GetPort(lua_State * L) +{ + // Function signature: + // Endpoint:GetPort() -> number + + cLuaState S(L); + if ( + !S.CheckParamUserType(1, "cUDPEndpoint") || + !S.CheckParamEnd(2) + ) + { + return 0; + } + + // Get the endpoint: + if (lua_isnil(L, 1)) + { + LOGWARNING("cUDPEndpoint:GetPort(): invalid endpoint object. Stack trace:"); + S.LogStackTrace(); + return 0; + } + auto Endpoint = *static_cast(lua_touserdata(L, 1)); + + // Get the Port: + S.Push(Endpoint->GetPort()); + return 1; +} + + + + + +/** Binds cLuaUDPEndpoint::IsOpen */ +static int tolua_cUDPEndpoint_IsOpen(lua_State * L) +{ + // Function signature: + // Endpoint:IsOpen() -> bool + + cLuaState S(L); + if ( + !S.CheckParamUserType(1, "cUDPEndpoint") || + !S.CheckParamEnd(2) + ) + { + return 0; + } + + // Get the endpoint: + if (lua_isnil(L, 1)) + { + LOGWARNING("cUDPEndpoint:IsListening(): invalid server handle object. Stack trace:"); + S.LogStackTrace(); + return 0; + } + auto Endpoint = *static_cast(lua_touserdata(L, 1)); // Close it: - S.Push(Srv->IsListening()); + S.Push(Endpoint->IsOpen()); + return 1; +} + + + + + +/** Binds cLuaUDPEndpoint::Send */ +static int tolua_cUDPEndpoint_Send(lua_State * L) +{ + // Function signature: + // LinkInstance:Send(DataString) + + cLuaState S(L); + if ( + !S.CheckParamUserType(1, "cUDPEndpoint") || + !S.CheckParamString(2, 3) || + !S.CheckParamNumber(4) || + !S.CheckParamEnd(5) + ) + { + return 0; + } + + // Get the link: + if (lua_isnil(L, 1)) + { + LOGWARNING("cUDPEndpoint:Send(): invalid endpoint object. Stack trace:"); + S.LogStackTrace(); + return 0; + } + auto Endpoint = *static_cast(lua_touserdata(L, 1)); + + // Get the data to send: + AString Data, RemotePeer; + int RemotePort; + S.GetStackValues(2, Data, RemotePeer, RemotePort); + + // Check the port: + if ((RemotePort < 0) || (RemotePort > USHRT_MAX)) + { + LOGWARNING("cUDPEndpoint:Send() called with invalid port (%d), failing.", RemotePort); + S.LogStackTrace(); + S.Push(false); + return 1; + } + + // Send the data: + S.Push(Endpoint->Send(Data, RemotePeer, static_cast(RemotePort))); return 1; } @@ -644,13 +898,21 @@ void ManualBindings::BindNetwork(lua_State * tolua_S) tolua_cclass(tolua_S, "cTCPLink", "cTCPLink", "", nullptr); tolua_usertype(tolua_S, "cServerHandle"); tolua_cclass(tolua_S, "cServerHandle", "cServerHandle", "", tolua_collect_cServerHandle); + tolua_usertype(tolua_S, "cUDPEndpoint"); + tolua_cclass(tolua_S, "cUDPEndpoint", "cUDPEndpoint", "", tolua_collect_cUDPEndpoint); // Fill in the functions (alpha-sorted): tolua_beginmodule(tolua_S, "cNetwork"); - tolua_function(tolua_S, "Connect", tolua_cNetwork_Connect); - tolua_function(tolua_S, "HostnameToIP", tolua_cNetwork_HostnameToIP); - tolua_function(tolua_S, "IPToHostname", tolua_cNetwork_IPToHostname); - tolua_function(tolua_S, "Listen", tolua_cNetwork_Listen); + tolua_function(tolua_S, "Connect", tolua_cNetwork_Connect); + tolua_function(tolua_S, "CreateUDPEndpoint", tolua_cNetwork_CreateUDPEndpoint); + tolua_function(tolua_S, "HostnameToIP", tolua_cNetwork_HostnameToIP); + tolua_function(tolua_S, "IPToHostname", tolua_cNetwork_IPToHostname); + tolua_function(tolua_S, "Listen", tolua_cNetwork_Listen); + tolua_endmodule(tolua_S); + + tolua_beginmodule(tolua_S, "cServerHandle"); + tolua_function(tolua_S, "Close", tolua_cServerHandle_Close); + tolua_function(tolua_S, "IsListening", tolua_cServerHandle_IsListening); tolua_endmodule(tolua_S); tolua_beginmodule(tolua_S, "cTCPLink"); @@ -665,10 +927,14 @@ void ManualBindings::BindNetwork(lua_State * tolua_S) tolua_function(tolua_S, "StartTLSServer", tolua_cTCPLink_StartTLSServer); tolua_endmodule(tolua_S); - tolua_beginmodule(tolua_S, "cServerHandle"); - tolua_function(tolua_S, "Close", tolua_cServerHandle_Close); - tolua_function(tolua_S, "IsListening", tolua_cServerHandle_IsListening); + tolua_beginmodule(tolua_S, "cUDPEndpoint"); + tolua_function(tolua_S, "Close", tolua_cUDPEndpoint_Close); + tolua_function(tolua_S, "EnableBroadcasts", tolua_cUDPEndpoint_EnableBroadcasts); + tolua_function(tolua_S, "GetPort", tolua_cUDPEndpoint_GetPort); + tolua_function(tolua_S, "IsOpen", tolua_cUDPEndpoint_IsOpen); + tolua_function(tolua_S, "Send", tolua_cUDPEndpoint_Send); tolua_endmodule(tolua_S); + } -- cgit v1.2.3