X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Usermode%2FApplications%2Faxwin3_src%2FWM%2Fipc.c;h=5b600ee8707fe1823e410732a3812bd08c549b22;hb=a41c4af4ae30e963f6bc370efad60dacc39b0275;hp=3f55930b709b7d2e5ebf101b5a313d849846f00e;hpb=e33b0db4c03c7664cc34a45e1da2981287e0cd0c;p=tpg%2Facess2.git diff --git a/Usermode/Applications/axwin3_src/WM/ipc.c b/Usermode/Applications/axwin3_src/WM/ipc.c index 3f55930b..5b600ee8 100644 --- a/Usermode/Applications/axwin3_src/WM/ipc.c +++ b/Usermode/Applications/axwin3_src/WM/ipc.c @@ -12,6 +12,9 @@ #include #include #include +#include +#include // Hotkey registration +#include // Renderer IPC messages #define AXWIN_PORT 4101 @@ -20,7 +23,6 @@ // === TYPES === typedef struct sIPC_Type tIPC_Type; -typedef struct sIPC_Client tIPC_Client; struct sIPC_Type { @@ -38,6 +40,8 @@ struct sIPC_Client tWindow **Windows; }; +// === IMPORTS === +extern tWindow *gpWM_FocusedWindow; // Needed for _FocusWindow // === PROTOTYPES === void IPC_Init(void); @@ -72,42 +76,52 @@ void IPC_Init(void) { int tmp; // TODO: Check this - giNetworkFileHandle = open("/Devices/ip/loop/udp", OPENFLAG_READ); - tmp = AXWIN_PORT; ioctl(giNetworkFileHandle, 4, &tmp); // TODO: Don't hard-code IOCtl number + giNetworkFileHandle = _SysOpen("/Devices/ip/loop/udp", OPENFLAG_READ); + if( giNetworkFileHandle != -1 ) + { + tmp = AXWIN_PORT; + _SysIOCtl(giNetworkFileHandle, 4, &tmp); // TODO: Don't hard-code IOCtl number + } } void IPC_FillSelect(int *nfds, fd_set *set) { - if( giNetworkFileHandle > *nfds ) *nfds = giNetworkFileHandle; - FD_SET(giNetworkFileHandle, set); + if( giNetworkFileHandle != -1 ) + { + if( giNetworkFileHandle > *nfds ) *nfds = giNetworkFileHandle; + FD_SET(giNetworkFileHandle, set); + } } void IPC_HandleSelect(fd_set *set) { - if( FD_ISSET(giNetworkFileHandle, set) ) + if( giNetworkFileHandle != -1 ) { - char staticBuf[STATICBUF_SIZE]; - int readlen, identlen; - char *msg; - - readlen = read(giNetworkFileHandle, staticBuf, sizeof(staticBuf)); - - identlen = 4 + Net_GetAddressSize( ((uint16_t*)staticBuf)[1] ); - msg = staticBuf + identlen; - - IPC_Handle(&gIPC_Type_Datagram, staticBuf, readlen - identlen, (void*)msg); - _SysDebug("IPC_HandleSelect: UDP handled"); + if( FD_ISSET(giNetworkFileHandle, set) ) + { + char staticBuf[STATICBUF_SIZE]; + int readlen, identlen; + char *msg; + + readlen = _SysRead(giNetworkFileHandle, staticBuf, sizeof(staticBuf)); + + identlen = 4 + Net_GetAddressSize( ((uint16_t*)staticBuf)[1] ); + msg = staticBuf + identlen; + + IPC_Handle(&gIPC_Type_Datagram, staticBuf, readlen - identlen, (void*)msg); +// _SysDebug("IPC_HandleSelect: UDP handled"); + } } - while(SysGetMessage(NULL, NULL)) + size_t len; + int tid; + while( (len = _SysGetMessage(&tid, 0, NULL)) ) { - pid_t tid; - int len = SysGetMessage(&tid, NULL); char data[len]; - SysGetMessage(NULL, data); + _SysGetMessage(NULL, len, data); IPC_Handle(&gIPC_Type_SysMessage, &tid, len, (void*)data); - _SysDebug("IPC_HandleSelect: Message handled"); +// _SysDebug("IPC_HandleSelect: Message handled"); } } @@ -131,7 +145,7 @@ void IPC_Type_Datagram_Send(const void *Ident, size_t Length, const void *Data) memcpy(tmpbuf, Ident, identlen); // Header memcpy(tmpbuf + identlen, Data, Length); // Data // TODO: Handle fragmented packets - write(giNetworkFileHandle, tmpbuf, sizeof(tmpbuf)); + _SysWrite(giNetworkFileHandle, tmpbuf, sizeof(tmpbuf)); } int IPC_Type_Sys_GetSize(const void *Ident) @@ -146,7 +160,7 @@ int IPC_Type_Sys_Compare(const void *Ident1, const void *Ident2) void IPC_Type_Sys_Send(const void *Ident, size_t Length, const void *Data) { - SysSendMessage( *(const tid_t*)Ident, Length, Data ); + _SysSendMessage( *(const tid_t*)Ident, Length, Data ); } // --- Client -> Window Mappings @@ -231,7 +245,6 @@ tWindow *IPC_int_GetWindow(tIPC_Client *Client, uint32_t WindowID) return NULL; if( WindowID >= Client->nWindows ) { -// _SysDebug("Window %i out of range for %p (%i)", WindowID, Client, Client->nWindows); return NULL; } @@ -257,17 +270,127 @@ void IPC_int_SetWindow(tIPC_Client *Client, uint32_t WindowID, tWindow *WindowPt } // --- IPC Message Handlers --- +int IPC_Msg_Ping(tIPC_Client *Client, tAxWin_IPCMessage *Msg) +{ + ASSERT(Msg->ID == IPCMSG_PING); + + if( !(Msg->Flags & IPCMSG_FLAG_RETURN) ) return 0; + + if( Msg->Size < 4 ) return -1; + + tIPCMsg_ReturnInt *ret = (void*)Msg->Data; + Msg->ID = IPCMSG_PING; + Msg->Size = sizeof(*ret); + ret->Value = AXWIN_VERSION; + Client->IPCType->SendMessage(Client->Ident, sizeof(*Msg)+sizeof(*ret), Msg); + return 0; +} + +int IPC_Msg_GetDisplayCount(tIPC_Client *Client, tAxWin_IPCMessage *Msg) +{ + tAxWin_IPCMessage *ret_hdr; + tIPCMsg_ReturnInt *ret; + char buf[sizeof(*ret_hdr)+sizeof(*ret)]; + + ASSERT(Msg->ID == IPCMSG_GETDISPLAYCOUNT); + + if( !(Msg->Flags & IPCMSG_FLAG_RETURN) ) return 0; + + ret_hdr = (void*)buf; + ret_hdr->ID = IPCMSG_GETDISPLAYCOUNT; + ret_hdr->Flags = 0; + ret_hdr->Window = -1; + ret_hdr->Size = sizeof(*ret); + ret = (void*)ret_hdr->Data; + ret->Value = 1; // HARD CODE - Current version only supports one display + + Client->IPCType->SendMessage(Client->Ident, sizeof(buf), buf); + return 0; +} + +int IPC_Msg_GetDisplayDims(tIPC_Client *Client, tAxWin_IPCMessage *Msg) +{ + tIPCMsg_GetDisplayDims *info; + tAxWin_IPCMessage *ret_hdr; + tIPCMsg_RetDisplayDims *ret; + char buf[sizeof(*ret_hdr)+sizeof(*ret)]; + + ASSERT(Msg->ID == IPCMSG_GETDISPLAYDIMS); + + if( !(Msg->Flags & IPCMSG_FLAG_RETURN) ) return 0; + + info = (void*)Msg->Data; + + ret_hdr = (void*)buf; + ret_hdr->ID = IPCMSG_GETDISPLAYDIMS; + ret_hdr->Flags = 0; + ret_hdr->Window = -1; + ret_hdr->Size = sizeof(*ret); + ret = (void*)ret_hdr->Data; + + // HARD CODE! Only one display supported + if( info->DisplayID == 0 ) + { + ret->X = 0; + ret->Y = 0; + ret->W = giScreenWidth; + ret->H = giScreenHeight; + } + else + { + ret->X = 0; ret->Y = 0; + ret->W = 0; ret->H = 0; + } + + Client->IPCType->SendMessage(Client->Ident, sizeof(buf), buf); + return 0; +} + +int IPC_Msg_SendMsg(tIPC_Client *Client, tAxWin_IPCMessage *Msg) +{ + tIPCMsg_SendMsg *info = (void*)Msg->Data; + tWindow *src, *dest; + + ASSERT(Msg->ID == IPCMSG_SENDMSG); + + // - Sanity checks + if( Msg->Size < sizeof(tIPCMsg_SendMsg) ) + return -1; + if( Msg->Size < sizeof(tIPCMsg_SendMsg) + info->Length ) + return -1; + + src = IPC_int_GetWindow(Client, Msg->Window); + if(!src) return 1; + dest = IPC_int_GetWindow(Client, info->Remote); + if(!dest) return 1; + + WM_SendMessage(src, dest, info->ID, info->Length, info->Data); + + return 0; +} + int IPC_Msg_CreateWin(tIPC_Client *Client, tAxWin_IPCMessage *Msg) { tIPCMsg_CreateWin *info = (void*)Msg->Data; tWindow *newwin, *parent; + ASSERT(Msg->ID == IPCMSG_CREATEWIN); + // - Sanity checks // > +1 is for NULL byte on string - if( Msg->Size < sizeof(tIPCMsg_CreateWin) + 1 ) + if( Msg->Size < sizeof(*info) + 1 ) { + _SysDebug("IPC_Msg_CreateWin: Size check 1 failed"); return -1; - if( info->Renderer[Msg->Size - sizeof(tIPCMsg_CreateWin)] != '\0' ) + } + if( info->Renderer[Msg->Size - sizeof(*info) - 1] != '\0' ) { + _SysDebug("IPC_Msg_CreateWin: Size check 2 failed"); + _SysDebug("info = {"); + _SysDebug(" .NewWinID = %i", info->NewWinID); + _SysDebug(" .RendererArg = %i", info->RendererArg); + _SysDebug(" .Renderer = '%.*s'", Msg->Size - sizeof(*info), info->Renderer); + _SysDebug("}"); return -1; + } // - Get the parent window ID parent = IPC_int_GetWindow(Client, Msg->Window); @@ -277,32 +400,85 @@ int IPC_Msg_CreateWin(tIPC_Client *Client, tAxWin_IPCMessage *Msg) return 1; // - Create the new window, and save its pointer - newwin = WM_CreateWindow(parent, info->RendererArg, info->Renderer); + newwin = WM_CreateWindow(parent, Client, info->NewWinID, info->RendererArg, info->Renderer); IPC_int_SetWindow(Client, info->NewWinID, newwin); return 0; } +int IPC_Msg_SetWindowTitle(tIPC_Client *Client, tAxWin_IPCMessage *Msg) +{ + tWindow *win; + + ASSERT(Msg->ID == IPCMSG_SETWINTITLE); + + if( Msg->Size < 1 ) return -1; + if( Msg->Data[ Msg->Size-1 ] != '\0' ) return -1; + + win = IPC_int_GetWindow(Client, Msg->Window); + if(!win) return 1; + + WM_SetWindowTitle(win, Msg->Data); + + return 0; +} + int IPC_Msg_ShowWindow(tIPC_Client *Client, tAxWin_IPCMessage *Msg) { - tIPCMsg_ShowWindow *info = (void*)Msg->Data; + tIPCMsg_Boolean *info = (void*)Msg->Data; tWindow *win; + ASSERT(Msg->ID == IPCMSG_SHOWWINDOW); + if( Msg->Size < sizeof(*info) ) return -1; win = IPC_int_GetWindow(Client, Msg->Window); if(!win) return 1; - WM_ShowWindow(win, !!info->bShow); + WM_ShowWindow(win, !!info->Value); return 0; } +int IPC_Msg_DecorateWindow(tIPC_Client *Client, tAxWin_IPCMessage *Msg) +{ + tIPCMsg_Boolean *info = (void*)Msg->Data; + tWindow *win; + + if( Msg->Size < sizeof(*info) ) return -1; + + win = IPC_int_GetWindow(Client, Msg->Window); + if(!win) return 1; + + WM_DecorateWindow(win, !!info->Value); + return 0; +} + +int IPC_Msg_FocusWindow(tIPC_Client *Client, tAxWin_IPCMessage *Msg) +{ + tWindow *win; + + ASSERT(Msg->ID == IPCMSG_FOCUSWINDOW); + + // Don't allow the focus to be changed unless the client has the focus + if(!gpWM_FocusedWindow) return 1; + if(gpWM_FocusedWindow->Client != Client) return 1; + + win = IPC_int_GetWindow(Client, Msg->Window); + if(!win) return 1; + + WM_FocusWindow(win); + + return 0; +} + int IPC_Msg_SetWinPos(tIPC_Client *Client, tAxWin_IPCMessage *Msg) { tIPCMsg_SetWindowPos *info = (void*)Msg->Data; tWindow *win; + ASSERT(Msg->ID == IPCMSG_SETWINPOS); + if(Msg->Size < sizeof(*info)) return -1; win = IPC_int_GetWindow(Client, Msg->Window); @@ -318,13 +494,54 @@ int IPC_Msg_SetWinPos(tIPC_Client *Client, tAxWin_IPCMessage *Msg) return 0; } +int IPC_Msg_RegisterAction(tIPC_Client *Client, tAxWin_IPCMessage *Msg) +{ + tIPCMsg_RegAction *info = (void*)Msg->Data; + tWindow *win; + + ASSERT(Msg->ID == IPCMSG_REGACTION); + + if( Msg->Size < sizeof(*info) + 1 ) + return -1; + + win = IPC_int_GetWindow(Client, Msg->Window); + if(!win) return 1; + + if( strnlen(info->Action, Msg->Size - sizeof(*info)) == Msg->Size - sizeof(*info) ) + return 1; + + _SysDebug("RegisterAction %p:%i [%i]\"%s\"", + Client, Msg->Window, info->Index, info->Action + ); + + WM_Hotkey_RegisterAction(info->Action, win, info->Index); + + return 0; +} + +int (*gIPC_MessageHandlers[])(tIPC_Client *Client, tAxWin_IPCMessage *Msg) = { + IPC_Msg_Ping, + IPC_Msg_GetDisplayCount, + IPC_Msg_GetDisplayDims, + IPC_Msg_SendMsg, + IPC_Msg_CreateWin, + NULL, // Destroy window + IPC_Msg_SetWindowTitle, + IPC_Msg_ShowWindow, + IPC_Msg_DecorateWindow, + IPC_Msg_FocusWindow, + IPC_Msg_SetWinPos, + IPC_Msg_RegisterAction +}; +const int giIPC_NumMessageHandlers = sizeof(gIPC_MessageHandlers)/sizeof(gIPC_MessageHandlers[0]); + void IPC_Handle(const tIPC_Type *IPCType, const void *Ident, size_t MsgLen, tAxWin_IPCMessage *Msg) { tIPC_Client *client; int rv = 0; - _SysDebug("IPC_Handle: (IPCType=%p, Ident=%p, MsgLen=%i, Msg=%p)", - IPCType, Ident, MsgLen, Msg); +// _SysDebug("IPC_Handle: (IPCType=%p, Ident=%p, MsgLen=%i, Msg=%p)", +// IPCType, Ident, MsgLen, Msg); if( MsgLen < sizeof(tAxWin_IPCMessage) ) return ; @@ -332,45 +549,89 @@ void IPC_Handle(const tIPC_Type *IPCType, const void *Ident, size_t MsgLen, tAxW return ; client = IPC_int_GetClient(IPCType, Ident); - - switch((enum eAxWin_IPCMessageTypes) Msg->ID) + if( !client ) { + // Oops? + } + + if( Msg->Flags & IPCMSG_FLAG_RENDERER ) { - // --- Ping message (reset timeout and get server version) - case IPCMSG_PING: - _SysDebug(" IPC_Handle: IPCMSG_PING"); - if( Msg->Size < 4 ) return; - if( Msg->Flags & IPCMSG_FLAG_RETURN ) - { - Msg->ID = IPCMSG_PING; - Msg->Size = sizeof(tIPCMsg_Return); - ((tIPCMsg_Return*)Msg->Data)->Value = AXWIN_VERSION; - IPCType->SendMessage(Ident, sizeof(tIPCMsg_Return), Msg); + tWindow *win = IPC_int_GetWindow(client, Msg->Window); + if( !win ) { + _SysDebug("WARNING: NULL window in message %i", Msg->ID); + return ; + } + tWMRenderer *renderer = win->Renderer; + if( Msg->ID >= renderer->nIPCHandlers ) { + _SysDebug("WARNING: Message %i out of range in %s", Msg->ID, renderer->Name); + return ; } - break; - - // --- Create window - case IPCMSG_CREATEWIN: - _SysDebug(" IPC_Handle: IPCMSG_CREATEWIN"); - rv = IPC_Msg_CreateWin(client, Msg); - break; - // --- Show/Hide a window - case IPCMSG_SHOWWINDOW: - _SysDebug(" IPC_Handle: IPCMSG_SHOWWINDOW"); - rv = IPC_Msg_ShowWindow(client, Msg); - break; - // --- Move/Resize a window - case IPCMSG_SETWINPOS: - _SysDebug(" IPC_Handle: IPCMSG_SETWINPOS"); - rv = IPC_Msg_SetWinPos(client, Msg); - break; - - // --- Unknown message - default: - fprintf(stderr, "WARNING: Unknown message %i (%p)\n", Msg->ID, IPCType); - _SysDebug("WARNING: Unknown message %i (%p)", Msg->ID, IPCType); - break; + if( !renderer->IPCHandlers[Msg->ID] ) { + _SysDebug("WARNING: Message %i has no handler in %s", Msg->ID, renderer->Name); + return ; + } + _SysDebug("IPC_Handle: Call %s-%i", renderer->Name, Msg->ID); + rv = renderer->IPCHandlers[Msg->ID](win, Msg->Size, Msg->Data); + if( rv ) + _SysDebug("IPC_Handle: rv != 0 (%i)", rv); } - if(rv) - _SysDebug("IPC_Handle: rv = %i", rv); + else + { + if( Msg->ID >= giIPC_NumMessageHandlers ) { + fprintf(stderr, "WARNING: Unknown message %i (%p)\n", Msg->ID, IPCType); + _SysDebug("WARNING: Unknown message %i (%p)", Msg->ID, IPCType); + return ; + } + + if( !gIPC_MessageHandlers[ Msg->ID ] ) { + fprintf(stderr, "WARNING: Message %i does not have a handler\n", Msg->ID); + _SysDebug("WARNING: Message %i does not have a handler", Msg->ID); + return ; + } + + _SysDebug("IPC_Handle: Call WM-%i", Msg->ID); + rv = gIPC_MessageHandlers[Msg->ID](client, Msg); + if( rv ) + _SysDebug("IPC_Handle: rv != 0 (%i)", rv); + } +} + +// Dispatch a message to the client +void IPC_SendWMMessage(tIPC_Client *Client, uint32_t Src, uint32_t Dst, int MsgID, int Len, void *Data) +{ + tAxWin_IPCMessage *hdr; + tIPCMsg_SendMsg *msg; + char buf[sizeof(*hdr)+sizeof(*msg)+Len]; + + hdr = (void*)buf; + msg = (void*)hdr->Data; + + hdr->ID = IPCMSG_SENDMSG; + hdr->Flags = 0; + hdr->Size = sizeof(*msg) + Len; + hdr->Window = Dst; + + msg->Remote = Src; + msg->ID = MsgID; + msg->Length = Len; + memcpy(msg->Data, Data, Len); + + Client->IPCType->SendMessage(Client->Ident, sizeof(buf), buf); +} + +// --- Server->Client replies +void IPC_SendReply(tIPC_Client *Client, uint32_t WinID, int MsgID, size_t Len, const void *Data) +{ + tAxWin_IPCMessage *hdr; + char buf[sizeof(*hdr)+Len]; + + hdr = (void*)buf; + + hdr->ID = MsgID; + hdr->Flags = IPCMSG_FLAG_RENDERER; + hdr->Size = Len; + hdr->Window = WinID; + + memcpy(hdr->Data, Data, Len); + Client->IPCType->SendMessage(Client->Ident, sizeof(buf), buf); }