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https://github.com/sheumann/AFPBridge.git
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7d2c225d2f
This only works if our init is loaded before Marinetti’s, because otherwise Marinetti’s shutdown notification procedure gets control first and shuts down the connection.
149 lines
3.4 KiB
C
149 lines
3.4 KiB
C
#pragma rtl
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#include <appletalk.h>
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#include <locator.h>
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#include <misctool.h>
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#include <tcpip.h>
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#include <desk.h>
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#include <orca.h>
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#include <gsos.h>
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#include "installcmds.h"
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#include "aspinterface.h"
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#include "asmglue.h"
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const char bootInfoString[] = "AFPBridge v1.0b1";
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extern Word *unloadFlagPtr;
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FSTInfoRecGS fstInfoRec;
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void pollTask(void);
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void notificationProc(void);
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static struct RunQRec {
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Long reserved1;
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Word period;
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Word signature;
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Long reserved2;
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Byte jml;
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void (*proc)(void);
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} runQRec;
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static struct NotificationProcRec {
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Long reserved1;
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Word reserved2;
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Word Signature;
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Long Event_flags;
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Long Event_code;
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Byte jml;
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void (*proc)(void);
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} notificationProcRec;
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NotifyProcRecGS addNotifyProcRec;
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void setUnloadFlag(void) {
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if (*unloadFlagPtr == 0)
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*unloadFlagPtr = 1;
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}
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int main(void) {
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unsigned int i;
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/*
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* Check for presence of AppleShare FST. We error out and unload
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* if it's not present. Our code doesn't directly depend on the
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* AppleShare FST, but in practice it's not useful without it.
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* This also ensures lower-level AppleTalk stuff is present.
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*/
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fstInfoRec.pCount = 2;
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fstInfoRec.fileSysID = 0;
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for (i = 1; fstInfoRec.fileSysID != appleShareFSID; i++) {
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fstInfoRec.fstNum = i;
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GetFSTInfoGS(&fstInfoRec);
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if (toolerror() == paramRangeErr)
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goto error;
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}
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/*
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* Load Marinetti.
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* We may get an error if the TCPIP init isn't loaded yet, but we ignore it.
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* The tool stub is still loaded in that case, which is enough for now.
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*/
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LoadOneTool(54, 0x0200);
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if (toolerror() && toolerror() != terrINITNOTFOUND)
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goto error;
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ShowBootInfo(bootInfoString, NULL);
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/*
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* Put Marinetti in the default TPT so its tool stub won't be unloaded,
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* even if UnloadOneTool is called on it. Programs may still call
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* TCPIPStartUp and TCPIPShutDown, but those don't actually do
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* anything, so the practical effect is that Marinetti will always
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* be available once its init has loaded (which may not have happened
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* yet when this init loads).
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*/
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SetDefaultTPT();
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RamForbid();
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installCmds();
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RamPermit();
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runQRec.period = 1;
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runQRec.signature = 0xA55A;
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runQRec.jml = 0x5C;
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runQRec.proc = pollTask;
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AddToRunQ((Pointer)&runQRec);
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notificationProcRec.Signature = 0xA55A;
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notificationProcRec.Event_flags = 0x20; /* shutdown */
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notificationProcRec.jml = 0x5C;
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notificationProcRec.proc = notificationProc;
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addNotifyProcRec.pCount = 1;
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addNotifyProcRec.procPointer = (ProcPtr)¬ificationProcRec;
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AddNotifyProcGS(&addNotifyProcRec);
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return;
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error:
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setUnloadFlag();
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return;
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}
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#pragma databank 1
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void pollTask(void) {
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Word stateReg;
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IncBusyFlag();
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stateReg = ForceRomIn();
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PollAllSessions();
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runQRec.period = 4*60;
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RestoreStateReg(stateReg);
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DecBusyFlag();
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}
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#pragma databank 0
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/*
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* Notification procedure called at shutdown time.
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* We try to notify the servers that we're closing the connections.
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* This only works if Marinetti is still active, i.e. if its own
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* shutdown notification procedure hasn't run yet.
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*/
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#pragma databank 1
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void notificationProc(void) {
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Word stateReg;
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IncBusyFlag();
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stateReg = ForceRomIn();
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CloseAllSessions(0);
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RestoreStateReg(stateReg);
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DecBusyFlag();
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}
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#pragma databank 0
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