Retro68/LaunchAPPL/Server/LaunchAPPLServer.cc

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/*
Copyright 2018 Wolfgang Thaller.
This file is part of Retro68.
Retro68 is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Retro68 is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Retro68. If not, see <http://www.gnu.org/licenses/>.
*/
#include <Quickdraw.h>
#include <Windows.h>
#include <Menus.h>
#include <Fonts.h>
#include <Resources.h>
#include <TextEdit.h>
#include <TextUtils.h>
#include <Dialogs.h>
#include <Devices.h>
#include "MacSerialStream.h"
#include "AppLauncher.h"
#include <ReliableStream.h>
#include <Processes.h>
#include <string.h>
#include <stdio.h>
#include <memory>
#include <UnreliableStream.h>
enum
{
kMenuApple = 128,
kMenuFile,
kMenuEdit,
kMenuSpeed
};
enum
{
kItemAbout = 1,
kItemQuit = 1
};
struct Prefs
{
long baud = 19200;
bool inSubLaunch = false;
};
Prefs gPrefs;
bool gQuitting = false;
void SetBaud(long baud);
void ShowAboutBox()
{
WindowRef w = GetNewWindow(128, NULL, (WindowPtr) -1);
#if !TARGET_API_MAC_CARBON
MacMoveWindow(w,
qd.screenBits.bounds.right/2 - w->portRect.right/2,
qd.screenBits.bounds.bottom/2 - w->portRect.bottom/2,
false);
#endif
ShowWindow(w);
#if TARGET_API_MAC_CARBON
SetPortWindowPort(w);
#else
SetPort(w);
#endif
Handle h = GetResource('TEXT', 128);
HLock(h);
#if TARGET_API_MAC_CARBON
Rect r;
GetWindowPortBounds(w,&r);
#else
Rect r = w->portRect;
#endif
InsetRect(&r, 10,10);
TETextBox(*h, GetHandleSize(h), &r, teJustLeft);
ReleaseResource(h);
while(!Button())
;
while(Button())
;
FlushEvents(everyEvent, 0);
DisposeWindow(w);
}
void UpdateMenus()
{
MenuRef m = GetMenu(kMenuFile);
WindowRef w = FrontWindow();
#if TARGET_API_MAC_CARBON
#define EnableItem EnableMenuItem
#define DisableItem DisableMenuItem
#endif
m = GetMenu(kMenuEdit);
if(w && GetWindowKind(w) < 0)
{
// Desk accessory in front: Enable edit menu items
EnableItem(m,1);
EnableItem(m,3);
EnableItem(m,4);
EnableItem(m,5);
EnableItem(m,6);
}
else
{
// Application window or nothing in front, disable edit menu
DisableItem(m,1);
DisableItem(m,3);
DisableItem(m,4);
DisableItem(m,5);
DisableItem(m,6);
}
m = GetMenu(kMenuSpeed);
for(int i = 1; i <= CountMenuItems(m); i++)
{
Str255 str;
long baud;
GetMenuItemText(m, i, str);
StringToNum(str, &baud);
CheckMenuItem(m, i, baud == gPrefs.baud);
}
}
void DoMenuCommand(long menuCommand)
{
Str255 str;
WindowRef w;
short menuID = menuCommand >> 16;
short menuItem = menuCommand & 0xFFFF;
if(menuID == kMenuApple)
{
if(menuItem == kItemAbout)
ShowAboutBox();
#if !TARGET_API_MAC_CARBON
else
{
GetMenuItemText(GetMenu(128), menuItem, str);
OpenDeskAcc(str);
}
#endif
}
else if(menuID == kMenuFile)
{
switch(menuItem)
{
case kItemQuit:
gQuitting = true;
break;
}
}
else if(menuID == kMenuEdit)
{
#if !TARGET_API_MAC_CARBON
if(!SystemEdit(menuItem - 1))
#endif
{
// edit command not handled by desk accessory
}
}
else if(menuID == kMenuSpeed)
{
GetMenuItemText(GetMenu(menuID), menuItem, str);
StringToNum(str, &gPrefs.baud);
SetBaud(gPrefs.baud);
}
HiliteMenu(0);
}
WindowPtr statusWindow;
Str255 statusString = "\p";
int progressDone, progressTotal = 0;
void DoUpdate(WindowRef w)
{
if(w != statusWindow)
return;
#if TARGET_API_MAC_CARBON
SetPortWindowPort(w);
#else
SetPort(w);
#endif
BeginUpdate(w);
EraseRect(&w->portRect);
MoveTo(10,20);
DrawString(statusString);
Rect r;
if(progressTotal)
{
SetRect(&r, 10, 40, w->portRect.right-10, 60);
FrameRect(&r);
SetRect(&r, 10, 40, 10 + (w->portRect.right-20) * progressDone / progressTotal, 60);
PaintRect(&r);
}
EndUpdate(w);
}
enum class AppStatus
{
ready = 1,
downloading = 2,
running = 3,
uploading = 4
};
void SetStatus(AppStatus stat, int done = 0, int total = 0)
{
GetIndString(statusString,128,(short)stat);
progressTotal = total;
progressDone = done;
SetPort(statusWindow);
InvalRect(&statusWindow->portRect);
}
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ProcessSerialNumber psn;
class LaunchServer : public StreamListener
{
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Stream* stream;
uint32_t dataSize, rsrcSize;
uint32_t remainingSize;
short refNum;
public:
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LaunchServer(Stream* stream) : stream(stream)
{
stream->setListener(this);
}
enum class State
{
size,
data,
rsrc,
launch,
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wait,
respond
};
State state = State::size;
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void onReset()
{
SetStatus(AppStatus::ready, 0, 0);
state = State::size;
}
size_t onReceive(const uint8_t* p, size_t n)
{
switch(state)
{
case State::size:
{
if(n < 8)
return 0;
dataSize = *(const uint32_t*)p;
rsrcSize = *(const uint32_t*)(p+4);
SetStatus(AppStatus::downloading, 0, dataSize + rsrcSize);
printf("Data Size: %u / %u\n", dataSize, rsrcSize);
FSDelete("\pRetro68App", 0);
Create("\pRetro68App", 0, '????', 'APPL');
OpenDF("\pRetro68App", 0, &refNum);
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FSDelete("\pout", 0);
Create("\pout", 0, 'ttxt', 'TEXT');
state = State::data;
remainingSize = dataSize;
return 8;
}
case State::data:
{
long count = n < remainingSize ? n : remainingSize;
FSWrite(refNum, &count, p);
remainingSize -= count;
SetStatus(AppStatus::downloading, dataSize - remainingSize, dataSize + rsrcSize);
if(remainingSize)
return count;
FSClose(refNum);
OpenRF("\pRetro68App", 0, &refNum);
state = State::rsrc;
remainingSize = rsrcSize;
return count;
}
case State::rsrc:
{
long count = n < remainingSize ? n : remainingSize;
FSWrite(refNum, &count, p);
remainingSize -= count;
SetStatus(AppStatus::downloading, dataSize + rsrcSize - remainingSize, dataSize + rsrcSize);
if(remainingSize)
return count;
FSClose(refNum);
SetStatus(AppStatus::running);
state = State::launch;
return count;
}
}
}
};
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short outRefNum;
long outSize, outSizeRemaining;
MacSerialStream *gSerialStream;
int nullEventCounter = 0;
void SetBaud(long baud)
{
gSerialStream->setBaud(baud);
}
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void StartResponding(LaunchServer& server, ReliableStream& rStream)
{
server.state = LaunchServer::State::respond;
uint32_t zero = 0;
rStream.write(&zero, 4);
OpenDF("\pout", 0, &outRefNum);
GetEOF(outRefNum, &outSize);
outSizeRemaining = outSize;
SetStatus(AppStatus::uploading, 0, outSize);
rStream.write(&outSize, 4);
rStream.flushWrite();
}
void WritePrefs()
{
short refNum;
Create("\pLaunchAPPLServer Preferences", 0, '????', 'LAPR');
if(OpenDF("\pLaunchAPPLServer Preferences", 0, &refNum) == noErr)
{
long count = sizeof(gPrefs);
FSWrite(refNum, &count, &gPrefs);
FSClose(refNum);
}
}
int main()
{
#if !TARGET_API_MAC_CARBON
InitGraf(&qd.thePort);
InitFonts();
InitWindows();
InitMenus();
TEInit();
InitDialogs(NULL);
#endif
SetMenuBar(GetNewMBar(128));
AppendResMenu(GetMenu(128), 'DRVR');
DrawMenuBar();
InitCursor();
statusWindow = GetNewWindow(129, NULL, (WindowPtr) -1);
SetStatus(AppStatus::ready);
{
short refNum;
if(OpenDF("\pLaunchAPPLServer Preferences", 0, &refNum) == noErr)
{
long count = sizeof(gPrefs);
FSRead(refNum, &count, &gPrefs);
FSClose(refNum);
}
}
MacSerialStream stream(gPrefs.baud);
gSerialStream = &stream;
//#define SIMULATE_ERRORS
#ifdef SIMULATE_ERRORS
UnreliableStream uStream(stream);
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ReliableStream rStream(&uStream);
#else
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ReliableStream rStream(&stream);
#endif
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LaunchServer server(&rStream);
std::unique_ptr<AppLauncher> appLauncher = CreateAppLauncher();
if(gPrefs.inSubLaunch)
{
gPrefs.inSubLaunch = false;
StartResponding(server, rStream);
}
while(!gQuitting)
{
EventRecord e;
WindowRef win;
#if 0 && !TARGET_API_MAC_CARBON
SystemTask();
if(GetNextEvent(everyEvent, &e))
#else
// actually, we should be using WaitNextEvent
// on everything starting from System 7
if(WaitNextEvent(everyEvent, &e, 10, NULL))
#endif
{
switch(e.what)
{
case keyDown:
if(e.modifiers & cmdKey)
{
UpdateMenus();
DoMenuCommand(MenuKey(e.message & charCodeMask));
}
break;
case mouseDown:
switch(FindWindow(e.where, &win))
{
case inGoAway:
if(TrackGoAway(win, e.where))
DisposeWindow(win);
break;
case inDrag:
DragWindow(win, e.where, &qd.screenBits.bounds);
break;
case inMenuBar:
UpdateMenus();
DoMenuCommand( MenuSelect(e.where) );
break;
case inContent:
SelectWindow(win);
break;
#if !TARGET_API_MAC_CARBON
case inSysWindow:
SystemClick(&e, win);
break;
#endif
}
break;
case updateEvt:
DoUpdate((WindowRef)e.message);
break;
}
}
else
nullEventCounter++;
stream.idle();
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if(server.state == LaunchServer::State::launch)
{
gSerialStream->close();
gPrefs.inSubLaunch = true;
WritePrefs();
bool launched = appLauncher->Launch("\pRetro68App");
gPrefs.inSubLaunch = false;
WritePrefs();
if(launched)
{
server.state = LaunchServer::State::wait;
nullEventCounter = 0;
SetStatus(AppStatus::running, 0, 0);
}
else
{
server.state = LaunchServer::State::size;
SetStatus(AppStatus::ready, 0, 0);
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}
}
else if(server.state == LaunchServer::State::wait && nullEventCounter > 3)
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{
if(!appLauncher->IsRunning("\pRetro68App"))
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{
gSerialStream->open();
StartResponding(server, rStream);
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}
}
else if(server.state == LaunchServer::State::respond)
{
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while(outSizeRemaining && rStream.readyToWrite())
{
char buf[1024];
long count = outSizeRemaining > 1024 ? 1024 : outSizeRemaining;
FSRead(outRefNum, &count, buf);
rStream.write(buf, count);
outSizeRemaining -= count;
}
SetStatus(AppStatus::uploading, outSize - outSizeRemaining, outSize);
if(outSizeRemaining == 0)
{
FSClose(outRefNum);
}
if(outSizeRemaining == 0 && rStream.allDataArrived())
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{
server.state = LaunchServer::State::size;
SetStatus(AppStatus::ready, 0, 0);
rStream.reset(0);
}
}
}
WritePrefs();
return 0;
}