#include <acess/sys.h>
#include <net.h>
#include <axwin2/messages.h>
-//#include <sys/select.h>
+#include <string.h>
#define AXWIN_PORT 4101
#define STATICBUF_SIZE 64
// === TYPES ===
-typedef void tMessages_Handle_Callback(void*, size_t, void*);
// === PROTOTYPES ===
-void Messages_PollIPC();
+void IPC_Init(void);
+void IPC_FillSelect(int *nfds, fd_set *set);
+void IPC_HandleSelect(fd_set *set);
+void Messages_RespondDatagram(void *Ident, size_t Length, void *Data);
void Messages_RespondIPC(void *Ident, size_t Length, void *Data);
-void Messages_Handle(void *Ident, int MsgLen, tAxWin_Message *Msg, tMessages_Handle_Callback *Respond);
+void Messages_Handle(size_t IdentLen, void *Ident, size_t MsgLen, tAxWin_Message *Msg, tMessages_Handle_Callback *Respond);
// === GLOBALS ===
int giNetworkFileHandle = -1;
int tmp;
// TODO: Check this
giNetworkFileHandle = open("/Devices/ip/loop/udp", OPENFLAG_READ);
- tmp = AXWIN_PORT; ioctl(giIPCFileHandle, 4, &tmp); // TODO: Don't hard-code IOCtl number
-
- // TODO: Open a handle to something like /Devices/proc/cur/messages to watch for messages
-// giMessagesFileHandle = open("/Devices/"
+ tmp = AXWIN_PORT; ioctl(giNetworkFileHandle, 4, &tmp); // TODO: Don't hard-code IOCtl number
}
void IPC_FillSelect(int *nfds, fd_set *set)
void IPC_HandleSelect(fd_set *set)
{
- if( FD_ISSET(giIPCFileHandle, set) )
+ if( FD_ISSET(giNetworkFileHandle, set) )
{
char staticBuf[STATICBUF_SIZE];
int readlen, identlen;
char *msg;
- readlen = read(giIPCFileHandle, sizeof(staticBuf), staticBuf);
+ readlen = read(giNetworkFileHandle, sizeof(staticBuf), staticBuf);
// Assume that all connections are from localhost
identlen = 4 + Net_GetAddressSize( ((uint16_t*)staticBuf)[1] );
msg = staticBuf + identlen;
- Messages_Handle(staticBuf, readlen - identlen, (void*)msg, Messages_RespondIPC);
+ Messages_Handle(identlen, staticBuf, readlen - identlen, (void*)msg, Messages_RespondDatagram);
+ }
+
+ while(SysGetMessage(NULL, NULL))
+ {
+ pid_t tid;
+ int len = SysGetMessage(&tid, NULL);
+ char data[len];
+ SysGetMessage(NULL, data);
+
+ Messages_Handle(sizeof(tid), &tid, len, (void*)data, Messages_RespondIPC);
}
}
-#if 0
-void Messages_PollIPC()
+void Messages_RespondDatagram(void *Ident, size_t Length, void *Data)
{
- int len;
- pid_t tid = 0;
- char staticBuf[STATICBUF_SIZE];
- tAxWin_Message *msg;
-
- // Wait for a message
- while( (len = SysGetMessage(&tid, NULL)) == 0 )
- sleep();
-
- // Allocate the space for it
- if( len <= STATICBUF_SIZE )
- msg = (void*)staticBuf;
- else {
- msg = malloc( len );
- if(!msg) {
- fprintf(
- stderr,
- "ERROR - Unable to allocate message buffer, ignoring message from %i\n",
- tid);
- SysGetMessage(NULL, GETMSG_IGNORE);
- return ;
- }
- }
-
- // Get message data
- SysGetMessage(NULL, msg);
-
- Messages_Handle(msg, Messages_RespondIPC, tid);
+ int addrSize = Net_GetAddressSize( ((uint16_t*)Ident)[1] );
+ char tmpbuf[ 4 + addrSize + Length ];
+ memcpy(tmpbuf, Ident, 4 + addrSize);
+ memcpy(tmpbuf + 4 + addrSize, Data, Length);
+ // TODO: Handle fragmented packets
+ write(giNetworkFileHandle, sizeof(tmpbuf), tmpbuf);
}
-#endif
void Messages_RespondIPC(void *Ident, size_t Length, void *Data)
{
SysSendMessage( *(tid_t*)Ident, Length, Data );
}
-void Messages_Handle(void *Ident, int MsgLen, tAxWin_Message *Msg, tMessages_Handle_Callback *Respond)
+void Messages_Handle(size_t IdentLen, void *Ident, size_t MsgLen, tAxWin_Message *Msg, tMessages_Handle_Callback *Respond)
{
+ if( MsgLen < sizeof(tAxWin_Message) )
+ return ;
+ if( MsgLen < sizeof(tAxWin_Message) + Msg->Size )
+ return ;
+
switch(Msg->ID)
{
- #if 0
case MSG_SREQ_PING:
+ if( MsgLen < sizeof(tAxWin_Message) + 4 ) return;
Msg->ID = MSG_SRSP_VERSION;
- Msg->Size = 2;
+ Msg->Size = 4;
Msg->Data[0] = 0;
Msg->Data[1] = 1;
*(uint16_t*)&Msg->Data[2] = -1;
Respond(Ident, sizeof(Msg->ID), Msg);
break;
- #endif
+
+ case MSG_SREQ_REGISTER:
+ if( Msg->Data[Msg->Size-1] != '\0' ) {
+ // Invalid message
+ return ;
+ }
+
+ AxWin_RegisterClient(IdentLen, Ident, Respond, Msg->Data);
+
+ break;
+
default:
fprintf(stderr, "WARNING: Unknown message %i (%p)\n", Msg->ID, Respond);
_SysDebug("WARNING: Unknown message %i (%p)\n", Msg->ID, Respond);