Apple-2gs-SW/Listener
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Add some code to pace sending key events when typing. Also, improve the error handling code for the network connection.

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This commit is contained in:
Jeremy Rand 2022-03-14 23:48:36 -04:00
parent a41590bc06
commit 70d98a135a
2 changed files with 76 additions and 39 deletions
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8
Listener.xcodeproj/xcuserdata/jrand.xcuserdatad/xcschemes/xcschememanagement.plist
View File

@ -7,17 +7,17 @@
<key>Archive.xcscheme_^#shared#^_</key> <key>Archive.xcscheme_^#shared#^_</key>
<dict> <dict>
<key>orderHint</key> <key>orderHint</key>
<integer>3</integer> <integer>1</integer>
</dict> </dict>
<key>Binary.xcscheme_^#shared#^_</key> <key>Binary.xcscheme_^#shared#^_</key>
<dict> <dict>
<key>orderHint</key> <key>orderHint</key>
<integer>2</integer> <integer>3</integer>
</dict> </dict>
<key>DiskImage.xcscheme_^#shared#^_</key> <key>DiskImage.xcscheme_^#shared#^_</key>
<dict> <dict>
<key>orderHint</key> <key>orderHint</key>
<integer>4</integer> <integer>2</integer>
</dict> </dict>
<key>Listener.xcscheme_^#shared#^_</key> <key>Listener.xcscheme_^#shared#^_</key>
<dict> <dict>
@ -27,7 +27,7 @@
<key>doNotBuild.xcscheme_^#shared#^_</key> <key>doNotBuild.xcscheme_^#shared#^_</key>
<dict> <dict>
<key>orderHint</key> <key>orderHint</key>
<integer>1</integer> <integer>4</integer>
</dict> </dict>
</dict> </dict>
</dict> </dict>

107
Listener/main.c
View File

@ -141,44 +141,41 @@ static char * stateMessages[NUM_LISTEN_STATES] = {
// Implementation // Implementation
void NDAClose(void) void delayToNextTick()
{ {
if ((globals != NULL) && LongWord oldTickCounter = GetTick();
(globals->ndaActive)) { while (oldTickCounter == GetTick())
CloseWindow(globals->winPtr); ;
globals->winPtr = NULL;
globals->ndaActive = FALSE;
}
ResourceShutDown();
} }
void freeGlobals(void) void closeConnection(void)
{ {
tTextList * textList = globals->textListHead; static srBuff srBuffer;
int counter;
if (globals->textTransfer != NULL)
free(globals->textTransfer);
while (textList != NULL) {
tTextList * prev = textList;
textList = textList->header.next;
free(prev);
}
free(globals);
globals = NULL;
}
void teardownNetwork(void)
{
if (globals->hasConnIpid) { if (globals->hasConnIpid) {
TCPIPAbortTCP(globals->connIpid); TCPIPCloseTCP(globals->connIpid);
for (counter = 0; counter < 20; counter++)
{
TCPIPPoll();
delayToNextTick();
TCPIPStatusTCP(globals->connIpid, &srBuffer);
if ((srBuffer.srState == TCPSCLOSED) ||
(srBuffer.srState == TCPSTIMEWAIT))
break;
}
if ((srBuffer.srState != TCPSCLOSED) &
(srBuffer.srState != TCPSTIMEWAIT))
TCPIPAbortTCP(globals->connIpid);
TCPIPLogout(globals->connIpid); TCPIPLogout(globals->connIpid);
} }
globals->hasConnIpid = FALSE; globals->hasConnIpid = FALSE;
}
void teardownNetwork(void)
{
closeConnection();
if (globals->hasListenIpid) { if (globals->hasListenIpid) {
TCPIPCloseTCP(globals->listenIpid); TCPIPCloseTCP(globals->listenIpid);
@ -196,6 +193,45 @@ void teardownNetwork(void)
} }
void freeText(void)
{
tTextList * textList = globals->textListHead;
if (globals->textTransfer != NULL)
free(globals->textTransfer);
while (textList != NULL) {
tTextList * prev = textList;
textList = textList->header.next;
free(prev);
}
}
void NDAClose(void)
{
if ((globals != NULL) &&
(globals->ndaActive)) {
CloseWindow(globals->winPtr);
globals->winPtr = NULL;
globals->ndaActive = FALSE;
}
teardownNetwork();
ResourceShutDown();
freeText();
memset(globals, 0, sizeof(*globals));
}
void freeGlobals(void)
{
freeText();
free(globals);
globals = NULL;
}
void NDAInit(int code) void NDAInit(int code)
{ {
/* When code is 1, this is tool startup, otherwise tool /* When code is 1, this is tool startup, otherwise tool
@ -444,9 +480,7 @@ void handleAwaitingMsgHeaderState(void)
return; return;
} }
if (srBuffer.srState != TCPSESTABLISHED) { if (srBuffer.srState != TCPSESTABLISHED) {
TCPIPAbortTCP(globals->connIpid); closeConnection();
TCPIPLogout(globals->connIpid);
globals->hasConnIpid = FALSE;
newState(LISTEN_STATE_AWAITING_CONNECTION); newState(LISTEN_STATE_AWAITING_CONNECTION);
return; return;
} }
@ -507,9 +541,7 @@ void handleAwaitingTextState(void)
return; return;
} }
if (srBuffer.srState != TCPSESTABLISHED) { if (srBuffer.srState != TCPSESTABLISHED) {
TCPIPAbortTCP(globals->connIpid); closeConnection();
TCPIPLogout(globals->connIpid);
globals->hasConnIpid = FALSE;
newState(LISTEN_STATE_AWAITING_CONNECTION); newState(LISTEN_STATE_AWAITING_CONNECTION);
return; return;
} }
@ -556,8 +588,13 @@ void runStateMachine(void)
void sendKey(void) void sendKey(void)
{ {
tTextList * textList = globals->textListHead; EventRecord eventRecord;
// If there is still a key down waiting to be processed, then don't send another one.
if (EventAvail(keyDownMask, &eventRecord))
return;
tTextList * textList = globals->textListHead;
PostEvent(keyDownEvt, 0x00C00000 | textList->text[textList->header.position]); PostEvent(keyDownEvt, 0x00C00000 | textList->text[textList->header.position]);
textList->header.position++; textList->header.position++;
if (textList->header.position < textList->header.size) if (textList->header.position < textList->header.size)