tests/python/c_code@c_ext/cfile.xml
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Wed, 13 Mar 2019 14:27:24 +0300
changeset 2542 a3ec35ee94e7
parent 1463 de311ffe3961
permissions -rw-r--r--
Fix crash in runtime if PSK secret is missing

./Beremiz_service.py -s $PWD/psk2.txt -n beremiz /tmp/beremiz
Beremiz_service: 1.2-1378c18402c3+

Traceback (most recent call last):
File "./Beremiz_service.py", line 511, in <module>
ensurePSK(servicename, PSKpath)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/Stunnel.py", line 32, in ensurePSK
PSKgen(ID, PSKpath)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/Stunnel.py", line 23, in PSKgen
call(restart_stunnel_cmdline)
File "/home/developer/WorkData/PLC/beremiz/beremiz/runtime/spawn_subprocess.py", line 116, in call
pid = posix_spawn.posix_spawnp(cmd[0], cmd)
File "/home/developer/.local/lib/python2.7/site-packages/posix_spawn/_impl.py", line 120, in posix_spawnp
return _posix_spawn(lib.posix_spawnp, *args, **kwargs)
File "/home/developer/.local/lib/python2.7/site-packages/posix_spawn/_impl.py", line 111, in _posix_spawn
_check_error(res, path)
File "/home/developer/.local/lib/python2.7/site-packages/posix_spawn/_impl.py", line 10, in _check_error
raise OSError(errno, os.strerror(errno), path)
OSError: [Errno 2] No such file or directory: '/etc/init.d/S50stunnel'
1401
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
     1
<?xml version='1.0' encoding='utf-8'?>
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
     2
<CFile xmlns:xhtml="http://www.w3.org/1999/xhtml">
734
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
     3
  <includes>
1401
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
     4
    <xhtml:p><![CDATA[
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
     5
]]></xhtml:p>
734
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
     6
  </includes>
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
     7
  <variables>
1099
d9c28879e55b Updated python test
Laurent Bessard
parents: 1086
diff changeset
     8
    <variable name="TestInput" type="SINT" initial="0"/>
d9c28879e55b Updated python test
Laurent Bessard
parents: 1086
diff changeset
     9
    <variable name="TestOutput" type="SINT"/>
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    10
  </variables>
734
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    11
  <globals>
1401
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    12
    <xhtml:p><![CDATA[
1125
1b1472e76f07 Updated python example
Laurent Bessard
parents: 1099
diff changeset
    13
volatile long Lock=0;
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    14
volatile char PtoC=1,CtoP=2;
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    15
1086
b566ab5556ab Fixed warnings in python test
Laurent Bessard
parents: 953
diff changeset
    16
extern long AtomicCompareExchange(long*,long, long);
1463
de311ffe3961 Changed runtime's global PLCID to PLC_ID, working around redefinition in windoze' headers.
Edouard Tisserant
parents: 1457
diff changeset
    17
extern char *PLC_ID;
1086
b566ab5556ab Fixed warnings in python test
Laurent Bessard
parents: 953
diff changeset
    18
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    19
int Simple_C_Call(int val){
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    20
  return val+1;
734
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    21
}
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    22
862
bb59865db6e6 Introduced FBID in tests/python example. Fixed type error leading to segfault
Edouard Tisserant
parents: 860
diff changeset
    23
int Python_to_C_Call(char toC, char *fromC){
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    24
  /* Code called by python should never touch to 
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    25
     variables modified by PLC thread directly
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    26
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    27
     AtomicCompareExchange comes from 
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    28
     beremiz' runtime implementation */
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    29
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    30
  int res = 0;
1086
b566ab5556ab Fixed warnings in python test
Laurent Bessard
parents: 953
diff changeset
    31
  if(!AtomicCompareExchange((long*)&Lock, 0, 1)){
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    32
    PtoC=toC;
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    33
    *fromC=CtoP;
1086
b566ab5556ab Fixed warnings in python test
Laurent Bessard
parents: 953
diff changeset
    34
    AtomicCompareExchange((long*)&Lock, 1, 0);
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    35
    res=1;
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    36
  }
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    37
  printf("C code called by Python: toC %d fromC %d\n",toC,*fromC);
1463
de311ffe3961 Changed runtime's global PLCID to PLC_ID, working around redefinition in windoze' headers.
Edouard Tisserant
parents: 1457
diff changeset
    38
  printf("PLC_ID id %s\n",PLC_ID);
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    39
  return res;
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    40
}
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    41
862
bb59865db6e6 Introduced FBID in tests/python example. Fixed type error leading to segfault
Edouard Tisserant
parents: 860
diff changeset
    42
int PLC_C_Call(char fromPLC, char *toPLC){
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    43
  /* PLC also have to be realy carefull not to 
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    44
     conflict with asynchronous python access */
1086
b566ab5556ab Fixed warnings in python test
Laurent Bessard
parents: 953
diff changeset
    45
  if(!AtomicCompareExchange((long*)&Lock, 0, 1)){
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    46
      CtoP = fromPLC;
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    47
      *toPLC = PtoC;
1086
b566ab5556ab Fixed warnings in python test
Laurent Bessard
parents: 953
diff changeset
    48
      AtomicCompareExchange((long*)&Lock, 1, 0);
859
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    49
      return 1;
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    50
  }
dbf82971f09d More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
Edouard Tisserant
parents: 734
diff changeset
    51
  return 0;
1125
1b1472e76f07 Updated python example
Laurent Bessard
parents: 1099
diff changeset
    52
}
1401
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    53
]]></xhtml:p>
734
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    54
  </globals>
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    55
  <initFunction>
1401
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    56
    <xhtml:p><![CDATA[
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    57
]]></xhtml:p>
734
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    58
  </initFunction>
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    59
  <cleanUpFunction>
1401
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    60
    <xhtml:p><![CDATA[
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    61
]]></xhtml:p>
734
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    62
  </cleanUpFunction>
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    63
  <retrieveFunction>
1401
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    64
    <xhtml:p><![CDATA[
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    65
]]></xhtml:p>
734
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    66
  </retrieveFunction>
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    67
  <publishFunction>
1401
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    68
    <xhtml:p><![CDATA[
1125
1b1472e76f07 Updated python example
Laurent Bessard
parents: 1099
diff changeset
    69
if(!AtomicCompareExchange((long*)&Lock, 0, 1)){
860
8a51046010d7 Even more pedagogical tests/python. Renaming will not help
Edouard Tisserant
parents: 859
diff changeset
    70
    TestInput = CtoP + PtoC + TestOutput;
1086
b566ab5556ab Fixed warnings in python test
Laurent Bessard
parents: 953
diff changeset
    71
    AtomicCompareExchange((long*)&Lock, 1, 0);
1125
1b1472e76f07 Updated python example
Laurent Bessard
parents: 1099
diff changeset
    72
}
1401
611fded24ce4 Pair with matiec a51a3bb4d613. Re-enable resource add/remove, updated CFLAGS, disabled broken global FG test in tests/python
Edouard Tisserant
parents: 1125
diff changeset
    73
]]></xhtml:p>
734
5c42cafaee15 Moved LPC sources to a separate project
Edouard Tisserant
parents:
diff changeset
    74
  </publishFunction>
1125
1b1472e76f07 Updated python example
Laurent Bessard
parents: 1099
diff changeset
    75
</CFile>