3 #define __STDC_LIMIT_MACROS
6 #include <IIPCChannel.hpp>
9 #include <serialisation.hpp>
10 #include <ipc_proto.hpp>
11 #include <CCompositor.hpp>
15 #include <CIPCChannel_AcessIPCPipe.hpp>
20 CCompositor* gpCompositor;
21 ::std::list<IIPCChannel*> glChannels;
22 //::std::map<uint16_t,CClient*> glClients;
24 void Initialise(const CConfigIPC& config, CCompositor& compositor)
26 gpCompositor = &compositor;
28 ::std::string pipe_basepath = "axwin4";
29 glChannels.push_back( new CIPCChannel_AcessIPCPipe( pipe_basepath ) );
31 //glChannels.push_back( new CIPCChannel_TCP("0.0.0.0:2100") );
33 //for( auto channel : config.m_channels )
35 // channels.push_back( );
39 int FillSelect(fd_set& rfds)
42 for( const auto channel : glChannels )
44 _SysDebug("IPC::FillSelect - channel=%p", channel);
46 ret = ::std::max(ret, channel->FillSelect(rfds));
51 void HandleSelect(const fd_set& rfds)
53 for( const auto channel : glChannels )
56 channel->HandleSelect(rfds);
60 void RegisterClient(CClient& client)
62 // allocate a client ID, and save
64 //glClients[client.m_id] = &client;
67 void DeregisterClient(CClient& client)
69 //glClients.erase( client.m_id );
73 void SendNotify_Dims(CClient& client, unsigned int NewW, unsigned int NewH)
75 _SysDebug("TODO: CClient::SendNotify_Dims");
79 void HandleMessage_Nop(CClient& client, CDeserialiser& message)
82 void HandleMessage_Reply(CClient& client, CDeserialiser& message)
84 // Reply to a sent message
85 // - Not many messages need server-bound replies
86 int orig_command = message.ReadU8();
90 // Ping reply, mark client as still responding
98 void HandleMessage_Ping(CClient& client, CDeserialiser& message)
100 // A client has asked for a ping, we pong them back
102 reply.WriteU8(IPCMSG_REPLY);
103 reply.WriteU8(IPCMSG_PING);
104 client.SendMessage(reply);
107 void HandleMessage_GetGlobalAttr(CClient& client, CDeserialiser& message)
109 uint16_t attr_id = message.ReadU16();
112 reply.WriteU8(IPCMSG_REPLY);
113 reply.WriteU8(IPCMSG_GETGLOBAL);
114 reply.WriteU16(attr_id);
118 case IPC_GLOBATTR_SCREENDIMS: {
119 uint8_t screen_id = message.ReadU8();
121 gpCompositor->GetScreenDims(screen_id, &w, &h);
122 reply.WriteU16( (w <= UINT16_MAX ? w : UINT16_MAX) );
123 reply.WriteU16( (h <= UINT16_MAX ? h : UINT16_MAX) );
126 throw IPC::CClientFailure("Bad global attribute ID");
129 client.SendMessage(reply);
132 void HandleMessage_SetGlobalAttr(CClient& client, CDeserialiser& message)
134 uint16_t attr_id = message.ReadU16();
138 case IPC_GLOBATTR_SCREENDIMS:
141 case IPC_GLOBATTR_MAXAREA:
142 assert(!"TODO: IPC_GLOBATTR_MAXAREA");
145 throw IPC::CClientFailure("Bad global attribute ID");
149 void HandleMessage_CreateWindow(CClient& client, CDeserialiser& message)
151 uint16_t new_id = message.ReadU16();
152 //uint16_t parent_id = message.ReadU16();
153 //CWindow* parent = client.GetWindow( parent_id );
154 ::std::string name = message.ReadString();
156 ::_SysDebug("_CreateWindow: (%i, '%s')", new_id, name.c_str());
157 client.SetWindow( new_id, gpCompositor->CreateWindow(client, name) );
160 void HandleMessage_DestroyWindow(CClient& client, CDeserialiser& message)
162 uint16_t win_id = message.ReadU16();
163 _SysDebug("_DestroyWindow: (%i)", win_id);
165 CWindow* win = client.GetWindow(win_id);
167 throw IPC::CClientFailure("_DestroyWindow: Bad window");
169 client.SetWindow(win_id, 0);
171 // TODO: Directly inform compositor?
175 void HandleMessage_SetWindowAttr(CClient& client, CDeserialiser& message)
177 uint16_t win_id = message.ReadU16();
178 uint16_t attr_id = message.ReadU16();
179 _SysDebug("_SetWindowAttr: (%i, %i)", win_id, attr_id);
181 CWindow* win = client.GetWindow(win_id);
183 throw IPC::CClientFailure("_SetWindowAttr - Bad window");
188 case IPC_WINATTR_DIMENSIONS: {
189 uint16_t new_w = message.ReadU16();
190 uint16_t new_h = message.ReadU16();
191 win->Resize(new_w, new_h);
193 case IPC_WINATTR_POSITION: {
194 int16_t new_x = message.ReadS16();
195 int16_t new_y = message.ReadS16();
196 win->Move(new_x, new_y);
199 _SysDebug("HandleMessage_SetWindowAttr - Bad attr %u", attr_id);
200 throw IPC::CClientFailure("Bad window attr");
204 void HandleMessage_GetWindowAttr(CClient& client, CDeserialiser& message)
206 assert(!"TODO HandleMessage_GetWindowAttr");
209 void HandleMessage_SendIPC(CClient& client, CDeserialiser& message)
211 assert(!"TODO HandleMessage_SendIPC");
214 void HandleMessage_GetWindowBuffer(CClient& client, CDeserialiser& message)
216 assert(!"TODO HandleMessage_GetWindowBuffer");
219 void HandleMessage_PushData(CClient& client, CDeserialiser& message)
221 uint16_t win_id = message.ReadU16();
222 uint16_t x = message.ReadU16();
223 uint16_t y = message.ReadU16();
224 uint16_t w = message.ReadU16();
225 uint16_t h = message.ReadU16();
226 _SysDebug("_PushData: (%i, (%i,%i) %ix%i)", win_id, x, y, w, h);
228 CWindow* win = client.GetWindow(win_id);
230 throw IPC::CClientFailure("_PushData: Bad window");
233 for( unsigned int row = 0; row < h; row ++ )
235 const ::std::vector<uint8_t> scanline_data = message.ReadBuffer();
236 _SysDebug("_PushData: Scanline %i: %i bytes", row, scanline_data.size());
237 if( scanline_data.size() != w * 4 ) {
238 _SysDebug("ERROR _PushData: Scanline buffer size mismatch (%i,%i)",
239 scanline_data.size(), w*4);
242 win->m_surface.DrawScanline(y+row, x, w, scanline_data.data());
245 void HandleMessage_Blit(CClient& client, CDeserialiser& message)
247 assert(!"TODO HandleMessage_Blit");
249 void HandleMessage_DrawCtl(CClient& client, CDeserialiser& message)
251 assert(!"TODO HandleMessage_DrawCtl");
253 void HandleMessage_DrawText(CClient& client, CDeserialiser& message)
255 assert(!"TODO HandleMessage_DrawText");
258 typedef void MessageHandler_op_t(CClient& client, CDeserialiser& message);
260 MessageHandler_op_t *message_handlers[] = {
261 [IPCMSG_NULL] = &HandleMessage_Nop,
262 [IPCMSG_REPLY] = &HandleMessage_Reply,
263 [IPCMSG_PING] = &HandleMessage_Ping,
264 [IPCMSG_GETGLOBAL] = &HandleMessage_GetGlobalAttr,
265 [IPCMSG_SETGLOBAL] = &HandleMessage_SetGlobalAttr,
267 [IPCMSG_CREATEWIN] = &HandleMessage_CreateWindow,
268 [IPCMSG_CLOSEWIN] = &HandleMessage_DestroyWindow,
269 [IPCMSG_SETWINATTR] = &HandleMessage_SetWindowAttr,
270 [IPCMSG_GETWINATTR] = &HandleMessage_GetWindowAttr,
271 [IPCMSG_SENDIPC] = &HandleMessage_SendIPC, // Use the GUI server for low-bandwith IPC
272 [IPCMSG_GETWINBUF] = &HandleMessage_GetWindowBuffer,
273 [IPCMSG_PUSHDATA] = &HandleMessage_PushData, // to a window's buffer
274 [IPCMSG_BLIT] = &HandleMessage_Blit, // Copy data from one part of the window to another
275 [IPCMSG_DRAWCTL] = &HandleMessage_DrawCtl, // Draw a control
276 [IPCMSG_DRAWTEXT] = &HandleMessage_DrawText, // Draw text
279 void HandleMessage(CClient& client, CDeserialiser& message)
281 unsigned int command = message.ReadU8();
282 if( command >= sizeof(message_handlers)/sizeof(IPC::MessageHandler_op_t*) ) {
283 // Drop, invalid command
287 _SysDebug("IPC::HandleMessage - command=%i", command);
288 (message_handlers[command])(client, message);
289 _SysDebug("IPC::HandleMessage - Completed");
292 CClientFailure::CClientFailure(std::string&& what):
296 const char *CClientFailure::what() const throw()
298 return m_what.c_str();
300 CClientFailure::~CClientFailure() throw()
306 IIPCChannel::~IIPCChannel()
310 }; // namespace AxWin