#include <string.h>
#include <ipcmessages.h>
#include <stdio.h>
+#include <wm.h>
+#include <wm_internals.h>
#define AXWIN_PORT 4101
#define STATICBUF_SIZE 64
+#define MAX_WINDOWS_PER_APP 128
// === TYPES ===
typedef struct sIPC_Type tIPC_Type;
+
struct sIPC_Type
{
- int (*GetIdentSize)(void *Ident);
- int (*CompareIdent)(void *Ident1, void *Ident2);
- void (*SendMessage)(void *Ident, size_t, void *Data);
+ int (*GetIdentSize)(const void *Ident);
+ int (*CompareIdent)(const void *Ident1, const void *Ident2);
+ void (*SendMessage)(const void *Ident, size_t Length, const void *Data);
+};
+
+struct sIPC_Client
+{
+ const tIPC_Type *IPCType;
+ const void *Ident; // Stored after structure
+
+ int nWindows;
+ tWindow **Windows;
};
+// === IMPORTS ===
+extern tWindow *gpWM_FocusedWindow; // Needed for _FocusWindow
+
// === PROTOTYPES ===
void IPC_Init(void);
void IPC_FillSelect(int *nfds, fd_set *set);
void IPC_HandleSelect(fd_set *set);
-void IPC_Handle(tIPC_Type *IPCType, void *Ident, size_t MsgLen, tAxWin_IPCMessage *Msg);
-void IPC_ReturnValue(tIPC_Type *IPCType, void *Ident, int MessageID, uint32_t Value);
- int IPC_Type_Datagram_GetSize(void *Ident);
- int IPC_Type_Datagram_Compare(void *Ident1, void *Ident2);
-void IPC_Type_Datagram_Send(void *Ident, size_t Length, void *Data);
- int IPC_Type_Sys_GetSize(void *Ident);
- int IPC_Type_Sys_Compare(void *Ident1, void *Ident2);
-void IPC_Type_Sys_Send(void *Ident, size_t Length, void *Data);
+ int IPC_Type_Datagram_GetSize(const void *Ident);
+ int IPC_Type_Datagram_Compare(const void *Ident1, const void *Ident2);
+void IPC_Type_Datagram_Send(const void *Ident, size_t Length, const void *Data);
+ int IPC_Type_Sys_GetSize(const void *Ident);
+ 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);
+void IPC_Handle(const tIPC_Type *IPCType, const void *Ident, size_t MsgLen, tAxWin_IPCMessage *Msg);
// === GLOBALS ===
- int giNetworkFileHandle = -1;
- int giMessagesFileHandle = -1;
-tIPC_Type gIPC_Type_Datagram = {
+const tIPC_Type gIPC_Type_Datagram = {
IPC_Type_Datagram_GetSize,
IPC_Type_Datagram_Compare,
IPC_Type_Datagram_Send
};
-tIPC_Type gIPC_Type_SysMessage = {
+const tIPC_Type gIPC_Type_SysMessage = {
IPC_Type_Sys_GetSize,
IPC_Type_Sys_Compare,
IPC_Type_Sys_Send
};
+ int giNetworkFileHandle = -1;
+ int giMessagesFileHandle = -1;
+ int giIPC_ClientCount;
+tIPC_Client **gIPC_Clients;
// === CODE ===
void IPC_Init(void)
msg = staticBuf + identlen;
IPC_Handle(&gIPC_Type_Datagram, staticBuf, readlen - identlen, (void*)msg);
- _SysDebug("IPC_HandleSelect: UDP handled");
+// _SysDebug("IPC_HandleSelect: UDP handled");
}
while(SysGetMessage(NULL, NULL))
SysGetMessage(NULL, data);
IPC_Handle(&gIPC_Type_SysMessage, &tid, len, (void*)data);
- _SysDebug("IPC_HandleSelect: Message handled");
+// _SysDebug("IPC_HandleSelect: Message handled");
}
}
-void IPC_Handle(tIPC_Type *IPCType, void *Ident, size_t MsgLen, tAxWin_IPCMessage *Msg)
+int IPC_Type_Datagram_GetSize(const void *Ident)
+{
+ return 4 + Net_GetAddressSize( ((const uint16_t*)Ident)[1] );
+}
+
+int IPC_Type_Datagram_Compare(const void *Ident1, const void *Ident2)
+{
+ // Pass the buck :)
+ // - No need to worry about mis-matching sizes, as the size is computed
+ // from the 3rd/4th bytes, hence it will differ before the size is hit.
+ return memcmp(Ident1, Ident2, IPC_Type_Datagram_GetSize(Ident1));
+}
+
+void IPC_Type_Datagram_Send(const void *Ident, size_t Length, const void *Data)
+{
+ int identlen = IPC_Type_Datagram_GetSize(Ident);
+ char tmpbuf[ identlen + Length ];
+ memcpy(tmpbuf, Ident, identlen); // Header
+ memcpy(tmpbuf + identlen, Data, Length); // Data
+ // TODO: Handle fragmented packets
+ write(giNetworkFileHandle, tmpbuf, sizeof(tmpbuf));
+}
+
+int IPC_Type_Sys_GetSize(const void *Ident)
+{
+ return sizeof(pid_t);
+}
+
+int IPC_Type_Sys_Compare(const void *Ident1, const void *Ident2)
+{
+ return *(const tid_t*)Ident1 - *(const tid_t*)Ident2;
+}
+
+void IPC_Type_Sys_Send(const void *Ident, size_t Length, const void *Data)
{
+ SysSendMessage( *(const tid_t*)Ident, Length, Data );
+}
+
+// --- Client -> Window Mappings
+int _CompareClientPtrs(const void *_a, const void *_b)
+{
+ tIPC_Client *a = *(tIPC_Client**)_a;
+ tIPC_Client *b = *(tIPC_Client**)_b;
+
+ if(a->IPCType < b->IPCType) return -1;
+ if(a->IPCType > b->IPCType) return 1;
+
+ return a->IPCType->CompareIdent(a->Ident, b->Ident);
+}
+
+tIPC_Client *IPC_int_GetClient(const tIPC_Type *IPCType, const void *Ident)
+{
+ int pos = 0; // Position where the new client will be inserted
+ int ident_size;
+ tIPC_Client *ret;
+
+ // - Search list of registered clients
+ if(giIPC_ClientCount > 0)
+ {
+ tIPC_Client target;
+ int div;
+ int cmp = -1;
+
+ target.IPCType = IPCType;
+ target.Ident = Ident;
+ ret = ⌖ // Abuse ret to get a pointer
+
+ div = giIPC_ClientCount;
+ pos = div/2;
+ while(div > 0)
+ {
+ div /= 2;
+ cmp = _CompareClientPtrs(&ret, &gIPC_Clients[pos]);
+// _SysDebug("Checking against %i gives %i", pos, cmp);
+ if(cmp == 0) break;
+ if(cmp < 0)
+ pos -= div;
+ else
+ pos += div;
+ }
+
+ // - Return if found
+ if(cmp == 0)
+ return gIPC_Clients[pos];
+
+ // Adjust pos to be the index where the new client will be placed
+ if(cmp > 0) pos ++;
+ }
+
+
+ // - Create a new client entry
+ ident_size = IPCType->GetIdentSize(Ident);
+// _SysDebug("ident_size = %i", ident_size);
+ ret = malloc( sizeof(tIPC_Client) + ident_size );
+ if(!ret) return NULL;
+ ret->IPCType = IPCType;
+ ret->Ident = ret + 1; // Get the end of the structure
+ memcpy( (void*)ret->Ident, Ident, ident_size );
+ ret->nWindows = 0;
+ ret->Windows = NULL;
+
+ // TODO: Register some way of detecting the client disconnecting
+ // > Wait on the thread / register with kernel somehow
+ // > Sockets are easier, but UDP is harder. Might get rid of it
+
+ // - Insert
+ giIPC_ClientCount ++;
+ gIPC_Clients = realloc(gIPC_Clients, giIPC_ClientCount*sizeof(tIPC_Client*));
+ memmove(&gIPC_Clients[pos+1], &gIPC_Clients[pos], (giIPC_ClientCount-pos-1) * sizeof(tIPC_Client*));
+ gIPC_Clients[pos] = ret;
+
+ return ret;
+}
+
+tWindow *IPC_int_GetWindow(tIPC_Client *Client, uint32_t WindowID)
+{
+ if( WindowID == -1 )
+ return NULL;
+
+ if( WindowID >= Client->nWindows ) {
+// _SysDebug("Window %i out of range for %p (%i)", WindowID, Client, Client->nWindows);
+ return NULL;
+ }
+
+ return Client->Windows[WindowID];
+}
+
+void IPC_int_SetWindow(tIPC_Client *Client, uint32_t WindowID, tWindow *WindowPtr)
+{
+ if( WindowID >= MAX_WINDOWS_PER_APP )
+ return ;
+
+ if( WindowID >= Client->nWindows )
+ {
+ int oldCount = Client->nWindows;
+ Client->nWindows = WindowID + 1;
+ Client->Windows = realloc(Client->Windows, Client->nWindows*sizeof(tWindow*));
+ memset( &Client->Windows[oldCount], 0, (Client->nWindows-oldCount)*sizeof(tWindow*) );
+ _SysDebug("Expanded %p's window list from %i to %i", Client, oldCount, Client->nWindows);
+ }
+
+ _SysDebug("Assigned %p to window %i for %p", WindowPtr, WindowID, Client);
+ Client->Windows[WindowID] = WindowPtr;
+}
+
+// --- IPC Message Handlers ---
+int IPC_Msg_SendMsg(tIPC_Client *Client, tAxWin_IPCMessage *Msg)
+{
+ tIPCMsg_SendMsg *info = (void*)Msg->Data;
+ tWindow *src, *dest;
+
+ // - 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_FocusWindow(tIPC_Client *Client, tAxWin_IPCMessage *Msg)
+{
+ tWindow *win;
+
+ // 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_CreateWin(tIPC_Client *Client, tAxWin_IPCMessage *Msg)
+{
+ tIPCMsg_CreateWin *info = (void*)Msg->Data;
+ tWindow *newwin, *parent;
+
+ // - Sanity checks
+ // > +1 is for NULL byte on string
+ if( Msg->Size < sizeof(*info) + 1 ) {
+ _SysDebug("IPC_Msg_CreateWin: Size check 1 failed");
+ return -1;
+ }
+ 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);
+
+ // Catch creating a window with an existing ID
+ if( IPC_int_GetWindow(Client, info->NewWinID) )
+ return 1;
+
+ // - Create the new window, and save its pointer
+ 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;
+
+ 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_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_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_SetWinPos(tIPC_Client *Client, tAxWin_IPCMessage *Msg)
+{
+ tIPCMsg_SetWindowPos *info = (void*)Msg->Data;
+ tWindow *win;
+
+ if(Msg->Size < sizeof(*info)) return -1;
+
+ win = IPC_int_GetWindow(Client, Msg->Window);
+ if(!win) return 1;
+
+ _SysDebug("info = {..., bSetPos=%i,bSetDims=%i}", info->bSetPos, info->bSetDims);
+
+ if(info->bSetPos)
+ WM_MoveWindow(win, info->X, info->Y);
+ if(info->bSetDims)
+ WM_ResizeWindow(win, info->W, info->H);
+
+ 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)];
+
+ 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)];
+
+ 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;
+}
+
+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);
if( MsgLen < sizeof(tAxWin_IPCMessage) + Msg->Size )
return ;
-// win = AxWin_GetClient(IPCType, Ident, Msg->Window);
+ client = IPC_int_GetClient(IPCType, Ident);
switch((enum eAxWin_IPCMessageTypes) Msg->ID)
{
// --- Ping message (reset timeout and get server version)
case IPCMSG_PING:
_SysDebug(" IPC_Handle: IPCMSG_PING");
- if( MsgLen < sizeof(tAxWin_IPCMessage) + 4 ) return;
+ if( Msg->Size < 4 ) return;
if( Msg->Flags & IPCMSG_FLAG_RETURN )
{
+ tIPCMsg_ReturnInt *ret = (void*)Msg->Data;
Msg->ID = IPCMSG_PING;
- Msg->Size = sizeof(tIPCMsg_Return);
- ((tIPCMsg_Return*)Msg->Data)->Value = AXWIN_VERSION;
- IPCType->SendMessage(Ident, sizeof(tIPCMsg_Return), Msg);
+ Msg->Size = sizeof(*ret);
+ ret->Value = AXWIN_VERSION;
+ IPCType->SendMessage(Ident, sizeof(*Msg)+sizeof(*ret), Msg);
}
break;
- // ---
+ // -- Get display count
+ case IPCMSG_GETDISPLAYCOUNT:
+ rv = IPC_Msg_GetDisplayCount(client, Msg);
+ break;
+
+ // --- Get display dimensions
+ case IPCMSG_GETDISPLAYDIMS:
+ rv = IPC_Msg_GetDisplayDims(client, Msg);
+ break;
+
+ // --- Send a message
+ case IPCMSG_SENDMSG:
+ _SysDebug(" IPC_Handle: IPCMSG_SENDMSG %i", ((tIPCMsg_SendMsg*)Msg->Data)->ID);
+ rv = IPC_Msg_SendMsg(client, Msg);
+ break;
+
+ // --- Create window
+ case IPCMSG_CREATEWIN:
+ _SysDebug(" IPC_Handle: IPCMSG_CREATEWIN");
+ rv = IPC_Msg_CreateWin(client, Msg);
+ break;
+ // TODO: Destroy window
+
+ // --- Set window title
+ case IPCMSG_SETWINTITLE:
+ _SysDebug(" IPC_Handle: IPCMSG_SETWINTITLE");
+ rv = IPC_Msg_SetWindowTitle(client, Msg);
+ break;
+
+ // --- Give a window focus
+ case IPCMSG_FOCUSWINDOW:
+ _SysDebug(" IPC_Handle: IPCMSG_FOCUSWINDOW");
+ rv = IPC_Msg_FocusWindow(client, Msg);
+ break;
+ // --- Show/Hide a window
+ case IPCMSG_SHOWWINDOW:
+ _SysDebug(" IPC_Handle: IPCMSG_SHOWWINDOW");
+ rv = IPC_Msg_ShowWindow(client, Msg);
+ break;
+ case IPCMSG_DECORATEWINDOW:
+ _SysDebug(" IPC_Handle: IPCMSG_DECORATEWINDOW");
+ rv = IPC_Msg_DecorateWindow(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)\n", Msg->ID, IPCType);
+ _SysDebug("WARNING: Unknown message %i (%p)", Msg->ID, IPCType);
break;
}
+ if(rv)
+ _SysDebug("IPC_Handle: rv = %i", rv);
}
-int IPC_Type_Datagram_GetSize(void *Ident)
+// --- Server->Client replies
+void IPC_SendWMMessage(tIPC_Client *Client, uint32_t Src, uint32_t Dst, int MsgID, int Len, void *Data)
{
- return 4 + Net_GetAddressSize( ((uint16_t*)Ident)[1] );
-}
-
-int IPC_Type_Datagram_Compare(void *Ident1, void *Ident2)
-{
- // Pass the buck :)
- // - No need to worry about mis-matching sizes, as the size is computed
- // from the 3rd/4th bytes, hence it will differ before the size is hit.
- return memcmp(Ident1, Ident2, IPC_Type_Datagram_GetSize(Ident1));
-}
-
-void IPC_Type_Datagram_Send(void *Ident, size_t Length, void *Data)
-{
- int identlen = IPC_Type_Datagram_GetSize(Ident);
- char tmpbuf[ identlen + Length ];
- memcpy(tmpbuf, Ident, identlen); // Header
- memcpy(tmpbuf + identlen, Data, Length); // Data
- // TODO: Handle fragmented packets
- write(giNetworkFileHandle, tmpbuf, sizeof(tmpbuf));
-}
-
-int IPC_Type_Sys_GetSize(void *Ident)
-{
- return sizeof(pid_t);
-}
-
-int IPC_Type_Sys_Compare(void *Ident1, void *Ident2)
-{
- return *(int*)Ident1 - *(int*)Ident2;
+ 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);
}
-void IPC_Type_Sys_Send(void *Ident, size_t Length, void *Data)
-{
- SysSendMessage( *(tid_t*)Ident, Length, Data );
-}
git.ucc.asn.au / tpg / acess2.git / blobdiff
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