iOS Question [RESOLVED] App Unexpected Crash, very little to go on

Jmu5667

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Licensed User
Longtime User
Hi

I managed to get this using iReleaselogger, I have KSCrash in the app but when the app is started again, error report count is zero.

B4X: 
SignalHandler 11
Signal - 11
Stack Trace: (
    "0   Atlas SOS            SignalHandler + 80",
    "1   libsystem_platform.dylib            0x00000001ef828d9c AF56B99B-9ABB-3DC7-B85E-F74352F87B30 + 28060",
    "2   Atlas SOS            -[B4ICommon CallSub4::::] + 336",
    "3   Atlas SOS            -[B4ICommon CallSub2::::] + 372",
    "4   Atlas SOS            -[ResumableSub_b4xloadingindicator_MainLoop resume::] + 1220",
    "5   Atlas SOS            __21-[B4ICommon Sleep:::]_block_invoke + 60",
    "6   libdispatch.dylib    ECEF88A0-245A-33C1-823D-3160E1F3D674 + 397976",
    "7   libdispatch.dylib    ECEF88A0-245A-33C1-823D-3160E1F3D674 + 24616",
    "8   libdispatch.dylib    ECEF88A0-245A-33C1-823D-3160E1F3D674 + 93540",
    "9   libdispatch.dylib    ECEF88A0-245A-33C1-823D-3160E1F3D674 + 64452"
)

No idea what it means but seems to be related to b4xloadingindicator. Is there any docs or resources availble to teach us how to read the trace in B4i ?

Regards

John.
 
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Jmu5667

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No, only in release. I think I may have tracked it down. In a code module I was calling a func in main with callsub2(Main,"show_busy",False), (this make the indicator visible or not), I have changed it to CallSubDelayed2(Main,"show_busy",False). The crash was very intermittent.

Do you think this could be the cause ?
 
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Jmu5667

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Longtime User
Just crashed again, and got this:

B4X: 
SignalHandler 11
Signal - 11
Stack Trace: (
    "0   Atlas SOS            SignalHandler + 80",
    "1   libsystem_platform.dylib            0x00000001dff08d9c B4042AE8-5313-3145-93B9-B171F93814A8 + 28060",
    "2   Atlas SOS            __21-[B4ICommon Sleep:::]_block_invoke + 60",
    "3   libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 397976",
    "4   libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 24616",
    "5   libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 93540",
    "6   libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 64452",
    "7   CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 633240",
    "8   CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 609784",
    "9   CoreFoundation       CFRunLoopRunSpecific + 572"
)
 
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Jmu5667

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This is the latest crash information having changed the callsubdelayed to the direct call, Main.Show_Busy(False).

B4X: 
-[__NSCFString addObject:]: unrecognized selector sent to instance 0x28232e2b0
Stack Trace: (
  CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 1161532
  libobjc.A.dylib      objc_exception_throw + 56
  CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 174432
  CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 1171332
  CoreFoundation       _CF_forwarding_prep_0 + 92
  CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 7744
  Atlas SOS            +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1608
  Atlas SOS            -[B4I raiseEvent:event:params:] + 548
  Atlas SOS            __33-[B4I raiseUIEvent:event:params:]_block_invoke + 60
  libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 393904
 libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 397976
 libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 64736
 CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 633240
 CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 609784
 CoreFoundation       CFRunLoopRunSpecific + 572
 GraphicsServices     GSEventRunModal + 160
 UIKitCore            950536E0-E3E0-3B3B-B173-BB8D185B2352 + 11731664
 UIKitCore            UIApplicationMain + 164
 Atlas SOS            main + 112
 libdyld.dylib        B6D35F8F-B651-3B36-972B-14B32251C4CF + 4416
)
 
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Jmu5667

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Tried this new method:

B4X: 
Sub show_busy(pBusy As Boolean)
    
    pvBusyVisible = pBusy
    
    ' // https://www.b4x.com/android/forum/threads/app-unexpected-crash-very-little-to-go-on.135269/#post-855522    
'    Try 
'        If pBusy Then
'            pvBusy.show
'        Else
'            ' // rest color
'            pvBusy.hide
'        End If
'    Catch
'        mod_functions.writelog($"main::show_busy, pBusy=${pBusy}, error - ${LastException.message}"$)
'    End Try
    
End Sub

Sub tmrAppForeground_tick
    
    manage_indicators

End sub


Sub manage_indicators
    
    ' // Comms busy Indicator - Green
    If pvBusyVisible Then
        If Not(pvBusy.mBase.Visible) Then
            pvBusy.show
        End If
    Else
        If pvBusy.mBase.Visible Then
            pvBusy.Hide
        End If
    End If
End Sub

Results:
B4X: 
SignalHandler 11
Signal - 11
Stack Trace: (
    "0   Atlas SOS            SignalHandler + 80",
    "1   libsystem_platform.dylib            0x00000001dff08d9c B4042AE8-5313-3145-93B9-B171F93814A8 + 28060",
    "2   libobjc.A.dylib      2E8A4074-A51D-31B4-A6B0-B120BCB4E21F + 152476",
    "3   libobjc.A.dylib      objc_autoreleasePoolPop + 208",
    "4   CoreFoundation       _CFAutoreleasePoolPop + 28",
    "5   CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 629876",
    "6   CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 609852",
    "7   CoreFoundation       CFRunLoopRunSpecific + 572",
    "8   GraphicsServices     GSEventRunModal + 160",
    "9   UIKitCore            950536E0-E3E0-3B3B-B173-BB8D185B2352 + 11731664"
)

If the app is put do the background should the indicators be hidden ?
The next test I will not turn the indicators on at all.
 
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Jmu5667

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Results not using the indicators at all:

B4X: 
SignalHandler 11
Signal - 11
Stack Trace: (
    "0   Atlas SOS            SignalHandler + 80",
    "1   libsystem_platform.dylib            0x00000001dff08d9c B4042AE8-5313-3145-93B9-B171F93814A8 + 28060",
    "2   CoreGraphics         CGDataProviderRetainBytePtr + 152",
    "3   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 189868",
    "4   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 194380",
    "5   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 198208",
    "6   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 1508720",
    "7   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 755076",
    "8   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 930504",
    "9   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 935216"
)
 
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Jmu5667

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Longtime User
This is the procedure:

In the app there is a user function call TPA(Timed Personal Alert). It allow the user setup an timed alarm for doing a task. The user selects the end time, entered some notes and clicks a toolbar button to confirm their selection. A process is started to connect to a socket server and send the request. On the connection is made to the server the packet of data is sent. The app is expecting '$ok_data' to come back from the server. We are doing testing to see how the app handles a faulure in not receiving the '$ok_data'. The app will try 10 time to complete the process before giving up.

This is our log from the app for the last crash, not using the indicators at all:

B4X: 
10/20/2021 08:50:06.654 - Atlas iSOS - main::BarButton_Click, TPA_ACTIVE.active=0

10/20/2021 08:50:10.431 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:50:11.468 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:50:12.436 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

10/20/2021 08:50:17.452 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:50:17.453 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 1
10/20/2021 08:50:17.457 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:50:18.499 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:50:19.468 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

10/20/2021 08:50:21.382 - Atlas iSOS - Battery state: Charging, level: 71%

10/20/2021 08:50:24.494 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:50:24.495 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 2
10/20/2021 08:50:24.503 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:50:25.538 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:50:26.507 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

10/20/2021 08:50:31.529 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:50:31.530 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 3
10/20/2021 08:50:31.535 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:50:32.627 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:50:33.544 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

10/20/2021 08:50:38.560 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:50:38.561 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 4
10/20/2021 08:50:38.567 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:50:39.606 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:50:40.574 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

10/20/2021 08:50:45.595 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:50:45.596 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 5
10/20/2021 08:50:45.604 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:50:46.645 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:50:47.612 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

10/20/2021 08:50:52.625 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:50:52.626 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 6
10/20/2021 08:50:52.637 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:50:53.677 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:50:54.649 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

SignalHandler 11
10/20/2021 08:50:59.674 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:50:59.675 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 7
10/20/2021 08:50:59.681 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:51:00.708 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:51:01.684 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

10/20/2021 08:51:06.699 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:51:06.700 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 8
10/20/2021 08:51:06.707 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:51:07.742 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:51:08.716 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

10/20/2021 08:51:13.733 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:51:13.734 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 9
10/20/2021 08:51:13.739 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:51:14.776 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:51:15.749 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201050&&2021/10/200850 Test▼353837081304527♦

SignalHandler 11
Signal - 11
Stack Trace: (
    "0   Atlas SOS            SignalHandler + 80",
    "1   libsystem_platform.dylib            0x00000001dff08d9c B4042AE8-5313-3145-93B9-B171F93814A8 + 28060",
    "2   CoreGraphics         CGDataProviderRetainBytePtr + 152",
    "3   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 189868",
    "4   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 194380",
    "5   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 198208",
    "6   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 1508720",
    "7   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 755076",
    "8   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 930504",
    "9   QuartzCore           CA5D4F2E-278A-3CCF-AB0A-A320377A3183 + 935216"
)

This is our log from the previous crash, timer in main turning on indicators, got the 3 attempts:
B4X: 
10/20/2021 08:21:28.836 - Atlas iSOS - main::BarButton_Click, TPA_ACTIVE.active=0

10/20/2021 08:21:30.181 - Atlas iSOS - Battery state: Charging, level: 71%

10/20/2021 08:21:33.086 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:21:34.119 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:21:35.092 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201021&&2021/10/200821 Test▼353837081304527♦

10/20/2021 08:21:40.111 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:21:40.112 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 1
10/20/2021 08:21:40.117 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:21:41.160 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:21:42.130 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201021&&2021/10/200821 Test▼353837081304527♦

10/20/2021 08:21:47.140 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:21:47.141 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 2
10/20/2021 08:21:47.145 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:21:48.185 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:21:49.151 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201021&&2021/10/200821 Test▼353837081304527♦

10/20/2021 08:21:54.172 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:21:54.173 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 3
SignalHandler 11
Signal - 11
Stack Trace: (
    "0   Atlas SOS            SignalHandler + 80",
    "1   libsystem_platform.dylib            0x00000001dff08d9c B4042AE8-5313-3145-93B9-B171F93814A8 + 28060",
    "2   libobjc.A.dylib      2E8A4074-A51D-31B4-A6B0-B120BCB4E21F + 152476",
    "3   libobjc.A.dylib      objc_autoreleasePoolPop + 208",
    "4   CoreFoundation       _CFAutoreleasePoolPop + 28",
    "5   CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 629876",
    "6   CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 609852",
    "7   CoreFoundation       CFRunLoopRunSpecific + 572",
    "8   GraphicsServices     GSEventRunModal + 160",
    "9   UIKitCore            950536E0-E3E0-3B3B-B173-BB8D185B2352 + 11731664"
)

This is the previous, previous, direct call to main to show indicators, got to 4 attempts:

B4X: 
10/20/2021 08:00:44.222 - Atlas iSOS - main::BarButton_Click, TPA_ACTIVE.active=0

10/20/2021 08:00:49.485 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:00:50.524 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:00:51.488 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201000&&2021/10/200800 Test▼353837081304527♦

10/20/2021 08:00:56.507 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:00:56.508 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 1
10/20/2021 08:00:56.514 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:00:57.554 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:00:58.526 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201000&&2021/10/200800 Test▼353837081304527♦

10/20/2021 08:01:03.541 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:01:03.542 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 2
10/20/2021 08:01:03.546 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:01:04.586 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:01:05.558 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201000&&2021/10/200800 Test▼353837081304527♦

10/20/2021 08:01:10.573 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:01:10.574 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 3
10/20/2021 08:01:10.577 - Atlas iSOS - cls_tpa_sender::Initialize

10/20/2021 08:01:11.616 - Atlas iSOS - cls_tpa_sender::socket_Connected, Connected = 1

10/20/2021 08:01:12.583 - Atlas iSOS - cls_tpa_sender::DATA TRANSMIT: ☻TPAON2021/10/201000&&2021/10/200800 Test▼353837081304527♦

10/20/2021 08:01:17.595 - Atlas iSOS - mod_tpa_process::tpa_new_completed() success=0
10/20/2021 08:01:17.596 - Atlas iSOS - mod_tpa_process::tpa_new_completed 0 4
-[__NSCFString addObject:]: unrecognized selector sent to instance 0x28232e2b0
Stack Trace: (
  CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 1161532
  libobjc.A.dylib      objc_exception_throw + 56
  CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 174432
  CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 1171332
  CoreFoundation       _CF_forwarding_prep_0 + 92
  CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 7744
  Atlas SOS            +[B4I runDynamicMethod:method:throwErrorIfMissing:args:] + 1608
  Atlas SOS            -[B4I raiseEvent:event:params:] + 548
  Atlas SOS            __33-[B4I raiseUIEvent:event:params:]_block_invoke + 60
  libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 393904
 libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 397976
 libdispatch.dylib    03AD11F9-67AE-3219-ACA3-DF0A9AF629D4 + 64736
 CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 633240
 CoreFoundation       5BBDEA97-01D2-30D8-8123-43118E96A409 + 609784
 CoreFoundation       CFRunLoopRunSpecific + 572
 GraphicsServices     GSEventRunModal + 160
 UIKitCore            950536E0-E3E0-3B3B-B173-BB8D185B2352 + 11731664
 UIKitCore            UIApplicationMain + 164
 Atlas SOS            main + 112
 libdyld.dylib        B6D35F8F-B651-3B36-972B-14B32251C4CF + 4416
)


I know it is alot to look at, I am now wondering has this got to do the connection to the server and the cls_tpa_sender::Initialize which called when an attempt is made to connect and send.

Regards

John.
 
Upvote 0

Jmu5667

Well-Known Member
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Longtime User
In the cls_tpa_sender class, I discovered that I was Initializing the socket class (Dim ws_data As cls_sockets) after the socket was closed. Most of the code was taken from the Android version as alot of the code is compatable. I removed this, and have re-enabled the on screen indicators. I also put a test condition in so it will try the process for ever. I started testing @ 10:39 and iRelease logger is connected and so far no errors.

I wonder could this have beem the issue all along ?
 
Last edited:
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Jmu5667

Well-Known Member
Licensed User
Longtime User
I have bolded the changes made and it has run successfuly for nearly 21 hrs

cls_tpa_sender
B4X: 
Sub Class_Globals
   
    Dim callback             As Object
    Dim event                 As String
    Dim res                 As Boolean
    Dim tmrHook                 As Timer
    Dim comW                 As tComms
    Dim ws_data             As cls_sockets
   
End Sub

'Initializes the object. You can add parameters to this method if needed.
Public Sub Initialize(callBackModule As Object,callBackEvent As String)
   
    mod_functions.writelog("cls_tpa_sender::Initialize")
   
    callback = callBackModule
    event = callBackEvent
   
    comW.Initialize
    ws_data.Initialize(Me,"socket")

    tmrHook.Initialize("tmrHook",1000)
    tmrHook.Enabled = True
   
End Sub



Sub socket_failure(pEvent As String)
   
    ' // we need to re-init the socket as that is the way the socket control works.
    ws_data.Initialize(Me,"socket")
    comW.Initialize
    res = False
    mod_functions.writelog("cls_tpa_sender::socket_failure, " & pEvent )
   
End Sub

Sub socket_Connected(bConnected As Boolean)
   
    mod_functions.writelog($"cls_tpa_sender::socket_Connected, Connected = ${bConnected}"$)
   
    If Not(bConnected) Then
        stop_service
    End If

End Sub

Sub socket_DataArrival(sData As String)
   
    Try
        comW.buffer = comW.buffer & sData
        mod_functions.writelog("cls_tpa_sender::socket_DataArrival, Server (" & Main.APPSET.RT_wifi.ws.host  & ") Response (DATA) " & comW.buffer)
        ' // we have not sent a packet yet
        If Not(Main.APPSET.RT_wifi.pkt_alert_sent) Then
            mod_functions.writelog("cls_tpa_sender::socket_DataArrival, ignoring this data =>" & comW.buffer & "<=")
            Return
        End If
       
        ' // Alert paacket sent was acknowledged
        If comW.buffer.Contains("$ok_data") Then
            res = True
            ' // close the connection
            mod_functions.writelog("cls_tpa_sender::socket Closed, Server (" & Main.APPSET.RT_wifi.ws.host  & ")" )
            ws_data.ws_close
'            ws_data.Initialize(Me,"socket") <- Change to make it work
'            comW.Initialize
            ' // reset flags
            Main.APPSET.RT_wifi.pkt_alert = ""
            Main.APPSET.RT_wifi.pkt_alert_pending = False
            Main.APPSET.RT_wifi.pkt_alert_sent = False
            stop_service
        End If
    Catch
        mod_functions.writelog("cls_tpa_sender::socket_DataArrival, (" & sData & ") " & LastException.Message )
    End Try
   
   
End Sub

Sub tmrHook_tick
   
    If Main.APPSET.RT_wifi.pkt_alert = "" Then
        mod_functions.writelog($"cls_tpa_sender::Main.APPSET.RT_wifi.pkt_alert is Empty"$)
        stop_service
        Return
    End If
   
    Try
        ' // get connection
        If Not(ws_data.ws_isConnected) Then
            If Not(comW.connectionRequested) Then
                ' // request a connection
                comW.connectionRequested = True
                comW.pktACK = True
                ws_data.ws_connect(Main.APPSET.RT_wifi.ws.host,Main.APPSET.RT_wifi.ws.port,5000)
            End If
        End If
    Catch
        res = False
        comW.responseTimeout = DateTime.now
        mod_functions.writelog($"cls_tpa_sender::connectionRequested: error - ${LastException.Message}"$)
        stop_service
        Return
    End Try
   
    Try
        ' // got a connection
        If ws_data.ws_isConnected Then
            ' // got data
            If Main.APPSET.RT_wifi.pkt_alert <> "" Then
                If comW.pktACK Then
                    ' // send wifi data
                    comW.pktACK  = False
                    Main.APPSET.RT_wifi.pkt_alert_sent = True
                    mod_functions.writelog("cls_tpa_sender::DATA TRANSMIT: " & Main.APPSET.RT_wifi.pkt_alert)
                    ws_data.ws_senddata(Main.APPSET.RT_wifi.pkt_alert)
                    comW.responseTimeout = DateTime.Now + (DateTime.TicksPerSecond * 5)
                End If
            End If
        End If
    Catch
        res = False
        comW.responseTimeout = DateTime.now
        mod_functions.writelog($"cls_tpa_sender::DATA TRANSMIT: error - ${LastException.Message}"$)
        stop_service
        Return
    End Try
       
    ' // we sent a packet
    Try
        If Main.APPSET.RT_wifi.pkt_alert_sent Then
            ' // we are waiting for a resposne
            If comW.responseTimeout > 0 Then
                ' // did we time out
                If comW.responseTimeout < DateTime.now Then
                    ' // close the connection
                    ws_data.ws_close
'                    ws_data.Initialize(Me,"socket") <- Change to make it work
'                    comW.Initialize
                    'Main.APPSET.RT_wifi.pkt_alert = ""
                    Main.APPSET.RT_wifi.pkt_alert_sent = False
                    stop_service
                End If
            End If
        End If
    Catch
        res = False
        comW.responseTimeout = DateTime.now
        mod_functions.writelog($"cls_tpa_sender::responseTimeout: error - ${LastException.Message}"$)
        stop_service
        Return
    End Try

End Sub

Sub stop_service
   
    mod_functions.writelog($"cls_tpa_sender::stop_service, calling ${event} with ${res}"$)
    tmrHook.enabled = False
    CallSubDelayed2(callback,event,res)
   
End Sub

cls_sockets
B4X: 
'Class module
Sub Class_Globals
   
    Private callback         As Object
    Private event             As String
    Private WS_SOCKET         As Socket
    Private WS_IO_ASTREAM     As AsyncStreams
   
   
End Sub

'Initializes the object. You can add parameters to this method if needed.
Public Sub Initialize(callBackModule As Object,callBackEvent As String)
   
    callback = callBackModule
    event = callBackEvent
    WS_SOCKET.Initialize("ws_socket")

End Sub

Sub ws_socket_Connected(Connected As Boolean)As Boolean
   
   
    Try
        If Connected = True Then
            If Not(WS_IO_ASTREAM.IsInitialized ) Then
                WS_IO_ASTREAM.Initialize(WS_SOCKET.InputStream,WS_SOCKET.OutputStream,"wsStream")
            End If
        Else
            If SubExists(callback, event & "_failure",1) Then
                CallSub2(callback, event & "_failure",LastException.Message)
            End If
        End If
        If SubExists(callback, event & "_Connected",1) Then
            CallSub2(callback, event & "_Connected",Connected)
        End If
    Catch
        If SubExists(callback, event & "_socket_failure",1) Then
            CallSub2(callback, event & "_failure",LastException.Message)
        End If
    End Try

    Return Connected
   
End Sub

Sub wsStream_NewData (Buffer() As Byte)
  
    Dim wsData As String
   
    wsData = BytesToString(Buffer, 0, Buffer.Length, "ASCII")
    If SubExists(callback, event & "_DataArrival",1) Then
        CallSub2(callback, event & "_DataArrival",wsData)
    End If

End Sub

Sub wsStream_Terminated()
   
    ws_close
   
End Sub

Sub ws_connect(pHost As String, pPort As Int, pTimeout As Int)
   
    'Log($"ws_connect() ${pHost} ${pPort} ${pTimeout} "$)
    If Not(WS_SOCKET.IsInitialized) Then
        WS_SOCKET.Initialize("ws_socket")
    End If
    WS_SOCKET.Connect(pHost,pPort,pTimeout)

End Sub

Sub ws_close()
   
    Try
        '// close the data stream
        'mod_functions.writelog("cls_sockets::ws_close() Closing AsyncStream")
        WS_IO_ASTREAM.Close
        'mod_functions.writelog("cls_sockets::ws_close() Re-initialising Socket")
        WS_SOCKET.Initialize("")
       
        If SubExists(callback, event & "_Closed",0) Then
            CallSub(callback, event & "_Closed")
        End If
       
    Catch
        mod_functions.writelog("cls_sockets::ws_close() error - " & LastException.Message)
    End Try
   
End Sub

Sub ws_isConnected() As Boolean
   
    Return WS_SOCKET.Connected

End Sub

Sub ws_isInitialised() As Boolean
   
    Return WS_SOCKET.IsInitialized

End Sub

Sub is_buffer_empty() As Boolean

    If WS_IO_ASTREAM.IsInitialized Then
        If WS_IO_ASTREAM.OutputQueueSize = 0 Then
            Return True
        Else
            Return False
        End If
    Else
        Return True
    End If

End Sub
Sub getBufferSize() As Long

    If WS_IO_ASTREAM.IsInitialized Then
        Return WS_IO_ASTREAM.OutputQueueSize
    Else
        Return -1
    End If

End Sub
Sub ws_senddata(pData As String)

    Dim Buffer() As Byte
   
    If Not(ws_isConnected) Then
        Return
    End If
   
    Try
       
        If Not(WS_IO_ASTREAM.IsInitialized) Then
            WS_IO_ASTREAM.Initialize(WS_SOCKET.InputStream,WS_SOCKET.OutputStream,"wsStream")
        End If
   
        Buffer = pData.GetBytes("windows-1255")
        If Not(WS_IO_ASTREAM.Write(Buffer)) Then
            If SubExists(callback, event & "_failure",1) Then
                CallSub2(callback, event & "_failure",LastException.Message)
            End If
        End If
    Catch
        Log(LastException.Message)
    End Try
   
   
End Sub
 
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