MAX_ELETYPES = 0x100
};
+enum eElementFlags
+{
+ /**
+ * \brief Rendered
+ *
+ * If set, the element will be ignored in calculating sizes and
+ * rendering.
+ */
+ ELEFLAG_NORENDER = 0x001,
+ /**
+ * \brief Element visibility
+ *
+ * If set, the element is not drawn (but still is used for size calculations)
+ */
+ ELEFLAG_INVISIBLE = 0x002,
+
+ /**
+ * \brief Position an element absulutely (ignored in size calcs)
+ */
+ ELEFLAG_ABSOLUTEPOS = 0x004,
+
+ /**
+ * \brief Fixed size element
+ */
+ ELEFLAG_FIXEDSIZE = 0x008,
+
+ /**
+ * \brief Element "orientation"
+ *
+ * Vertical means that the children of this element are stacked,
+ * otherwise they list horizontally
+ */
+ ELEFLAG_VERTICAL = 0x010,// ELEFLAG_HORIZONTAL = 0x000,
+ /**
+ * \brief Action for text that overflows
+ */
+ ELEFLAG_WRAP = 0x020,// ELEFLAG_NOWRAP = 0x000,
+ /**
+ * \brief Cross size action
+ *
+ * If this flag is set, the element will only be as large (across
+ * its parent) as is needed to encase the contents of the element.
+ * Otherwise, the element will expand to fill all avaliable space.
+ */
+ ELEFLAG_NOEXPAND = 0x040,
+
+ /**
+ * \brief With (length) size action
+ * If this flag is set, the element will only be as large as
+ * is required along it's parent
+ */
+ ELEFLAG_NOSTRETCH = 0x080,
+
+ /**
+ * \brief Center alignment
+ */
+ ELEFLAG_ALIGN_CENTER= 0x100,
+ /**
+ * \brief Right/Bottom alignment
+ *
+ * If set, the element aligns to the end of avaliable space (instead
+ * of the beginning)
+ */
+ ELEFLAG_ALIGN_END = 0x200
+};
+
typedef struct
{
uint32_t Parent;
--- /dev/null
+/*
+ * Acess2 GUI (AxWin) Version 3
+ * - By John Hodge (thePowersGang)
+ *
+ * ipc.c
+ * - Interprocess communication
+ */
+#include <common.h>
+#include <acess/sys.h>
+#include <net.h>
+#include <string.h>
+#include <ipcmessages.h>
+
+#define AXWIN_PORT 4101
+
+#define STATICBUF_SIZE 64
+
+// === 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);
+};
+
+// === 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_Message *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);
+
+// === GLOBALS ===
+ int giNetworkFileHandle = -1;
+ int giMessagesFileHandle = -1;
+tIPC_Type gIPC_Type_Datagram = {
+ IPC_Type_Datagram_GetSize,
+ IPC_Type_Datagram_Compare,
+ IPC_Type_Datagram_Send
+};
+tIPC_Type gIPC_Type_SysMessage = {
+ IPC_Type_Sys_GetSize,
+ IPC_Type_Sys_Compare,
+ IPC_Type_Sys_Send
+};
+
+// === CODE ===
+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
+}
+
+void IPC_FillSelect(int *nfds, fd_set *set)
+{
+ if( giNetworkFileHandle > *nfds ) *nfds = giNetworkFileHandle;
+ FD_SET(giNetworkFileHandle, set);
+}
+
+void IPC_HandleSelect(fd_set *set)
+{
+ if( FD_ISSET(giNetworkFileHandle, set) )
+ {
+ 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");
+ }
+
+ while(SysGetMessage(NULL, NULL))
+ {
+ pid_t tid;
+ int len = SysGetMessage(&tid, NULL);
+ char data[len];
+ SysGetMessage(NULL, data);
+
+ IPC_Handle(&gIPC_Type_SysMessage, &tid, len, (void*)data);
+ _SysDebug("IPC_HandleSelect: Message handled");
+ }
+}
+
+void IPC_Handle(tIPC_Type *IPCType, void *Ident, size_t MsgLen, tAxWin_IPCMessage *Msg)
+{
+ tApplication *app;
+ tElement *ele;
+
+ _SysDebug("IPC_Handle: (IPCType=%p, Ident=%p, MsgLen=%i, Msg=%p)",
+ IPCType, Ident, MsgLen, Msg);
+
+ if( MsgLen < sizeof(tAxWin_Message) )
+ return ;
+ if( MsgLen < sizeof(tAxWin_Message) + Msg->Size )
+ return ;
+
+ app = AxWin_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_Message) + 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);
+ }
+ 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);
+ break;
+ }
+}
+
+void IPC_ReturnValue(tIPC_Type *IPCType, void *Ident, int MessageID, uint32_t Value)
+{
+ char data[sizeof(tAxWin_Message) + sizeof(tAxWin_RetMsg)];
+ tAxWin_Message *msg = (void *)data;
+ tAxWin_RetMsg *ret_msg = (void *)msg->Data;
+
+ msg->Source = 0; // 0 = Server
+ msg->ID = MSG_SRSP_RETURN;
+ msg->Size = sizeof(tAxWin_RetMsg);
+ ret_msg->ReqID = MessageID;
+ ret_msg->Rsvd = 0;
+ ret_msg->Value = Value;
+
+ IPCType->SendMessage(Ident, sizeof(data), data);
+}
+
+int IPC_Type_Datagram_GetSize(void *Ident)
+{
+ 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;
+}
+
+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 / commitdiff
UCC git Repository :: git.ucc.asn.au