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Clixon SNMP frontend update

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Integrated netsnmp agent and clixon event handling, made a workaround of fdset:s
used in the netsnmp API with sockets used in Clixon
Added a hardcoded MIB OID handler as subagent
Added libnetsnmpagent to autotools dependency check
New OE_SNMP error code
This commit is contained in:
Olof hagsand 2022-04-25 10:59:18 +02:00
parent 16d21bbe3b
commit e32cb81b49
5 changed files with 244 additions and 46 deletions
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67
configure vendored
View file

@ -5324,10 +5324,10 @@ $as_echo "checking netsnmp is enabled: $enable_netsnmp" >&6; }
if test "$enable_netsnmp" = "yes"; then
# All libs are:
# libnetsnmp, libnetsnmpmibs, libnetsnmpagent, libnetsnmptrapd, libnetsnmphelpers
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for snmp_open in -lnetsnmp" >&5
$as_echo_n "checking for snmp_open in -lnetsnmp... " >&6; }
if ${ac_cv_lib_netsnmp_snmp_open+:} false; then :
# libnetsnmp, libnetsnmpagent, libnetsnmpmibs, libnetsnmptrapd, libnetsnmphelpers
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for init_snmp in -lnetsnmp" >&5
$as_echo_n "checking for init_snmp in -lnetsnmp... " >&6; }
if ${ac_cv_lib_netsnmp_init_snmp+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
@ -5341,33 +5341,78 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
#ifdef __cplusplus
extern "C"
#endif
char snmp_open ();
char init_snmp ();
int
main ()
{
return snmp_open ();
return init_snmp ();
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_lib_netsnmp_snmp_open=yes
ac_cv_lib_netsnmp_init_snmp=yes
else
ac_cv_lib_netsnmp_snmp_open=no
ac_cv_lib_netsnmp_init_snmp=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_netsnmp_snmp_open" >&5
$as_echo "$ac_cv_lib_netsnmp_snmp_open" >&6; }
if test "x$ac_cv_lib_netsnmp_snmp_open" = xyes; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_netsnmp_init_snmp" >&5
$as_echo "$ac_cv_lib_netsnmp_init_snmp" >&6; }
if test "x$ac_cv_lib_netsnmp_init_snmp" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBNETSNMP 1
_ACEOF
LIBS="-lnetsnmp $LIBS"
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for init_agent in -lnetsnmpagent" >&5
$as_echo_n "checking for init_agent in -lnetsnmpagent... " >&6; }
if ${ac_cv_lib_netsnmpagent_init_agent+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lnetsnmpagent $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char init_agent ();
int
main ()
{
return init_agent ();
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_lib_netsnmpagent_init_agent=yes
else
ac_cv_lib_netsnmpagent_init_agent=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_netsnmpagent_init_agent" >&5
$as_echo "$ac_cv_lib_netsnmpagent_init_agent" >&6; }
if test "x$ac_cv_lib_netsnmpagent_init_agent" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBNETSNMPAGENT 1
_ACEOF
LIBS="-lnetsnmpagent $LIBS"
fi
for ac_header in net-snmp/net-snmp-config.h