SNMP frontend: added -z zap command-line option and pid-file exclusive check, fixed mem check
This commit is contained in:
Olof hagsand
parent
2366be0062
commit
eb8d0c0b3a
6 changed files with 63 additions and 42 deletions
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@ -453,7 +453,7 @@ usage(clicon_handle h,
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"\t-p <dir>\tAdd Yang directory path (see CLICON_YANG_DIR)\n"
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"\t-b <dir>\tSpecify datastore directory\n"
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"\t-F\t\tRun in foreground, do not run as daemon\n"
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"\t-z\t\tKill other config daemon and exit\n"
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"\t-z\t\tKill other backend daemon and exit\n"
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"\t-a UNIX|IPv4|IPv6 Internal backend socket family\n"
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"\t-u <path|addr>\tInternal socket domain path or IP addr (see -a)(default: %s)\n"
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"\t-P <file>\tPid filename (default: %s)\n"
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BIN
apps/snmp/clixon_snmp
Executable file
BIN
apps/snmp/clixon_snmp
Executable file
Binary file not shown.
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@ -41,8 +41,9 @@
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#include <pwd.h>
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#include <syslog.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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/* net-snmp */
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#include <net-snmp/net-snmp-config.h>
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@ -58,7 +59,7 @@
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#include "snmp_mib_yang.h"
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/* Command line options to be passed to getopt(3) */
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#define SNMP_OPTS "hD:f:l:o:"
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#define SNMP_OPTS "hD:f:l:o:z"
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/*! Return (hardcoded) pid file
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*/
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@ -241,8 +242,9 @@ usage(clicon_handle h,
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"\t-D <level>\tDebug level\n"
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"\t-f <file>\tConfiguration file (mandatory)\n"
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"\t-l (e|o|s|f<file>) Log on std(e)rr, std(o)ut, (s)yslog(default), (f)ile\n"
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"\t-z\t\tKill other %s daemon and exit\n"
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"\t-o \"<option>=<value>\"\tGive configuration option overriding config file (see clixon-config.yang)\n",
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argv0
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argv0, argv0
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);
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exit(0);
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}
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@ -251,21 +253,24 @@ int
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main(int argc,
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char **argv)
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{
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int retval = -1;
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int c;
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char *argv0 = argv[0];
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clicon_handle h;
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int logdst = CLICON_LOG_STDERR;
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struct passwd *pw;
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yang_stmt *yspec = NULL;
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char *str;
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uint32_t id;
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cvec *nsctx_global = NULL; /* Global namespace context */
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size_t cligen_buflen;
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size_t cligen_bufthreshold;
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int dbg = 0;
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size_t sz;
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char *pidfile = NULL;
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int retval = -1;
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int c;
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char *argv0 = argv[0];
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clicon_handle h;
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int logdst = CLICON_LOG_STDERR;
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struct passwd *pw;
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yang_stmt *yspec = NULL;
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char *str;
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uint32_t id;
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cvec *nsctx_global = NULL; /* Global namespace context */
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size_t cligen_buflen;
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size_t cligen_bufthreshold;
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int dbg = 0;
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size_t sz;
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int pid;
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char *pidfile = NULL;
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struct stat st;
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int zap = 0;
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/* Create handle */
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if ((h = clicon_handle_init()) == NULL)
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@ -335,6 +340,9 @@ main(int argc,
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goto done;
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break;
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}
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case 'z': /* Zap other process */
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zap++;
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break;
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default:
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usage(h, argv[0]);
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break;
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@ -345,6 +353,30 @@ main(int argc,
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/* Access the remaining argv/argc options (after --) w clicon-argv_get() */
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clicon_argv_set(h, argv0, argc, argv);
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/* Check pid-file, if zap kill the old daemon, else return here */
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if ((pidfile = clicon_snmp_pidfile(h)) == NULL){
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clicon_err(OE_FATAL, 0, "pidfile not set");
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goto done;
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}
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if (pidfile_get(pidfile, &pid) < 0)
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goto done;
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if (zap){
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if (pid && pidfile_zapold(pid) < 0)
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return -1;
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if (lstat(pidfile, &st) == 0)
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unlink(pidfile);
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snmp_terminate(h);
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exit(0); /* OK */
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}
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else if (pid){
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clicon_err(OE_DAEMON, 0, "Clixon_snmp daemon already running with pid %d\n(Try killing it with %s -z)",
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pid, argv0);
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return -1; /* goto done deletes pidfile */
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}
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/* Here there is either no old process or we have killed it,.. */
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if (lstat(pidfile, &st) == 0)
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unlink(pidfile);
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/* Init cligen buffers */
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cligen_buflen = clicon_option_int(h, "CLICON_CLI_BUF_START");
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cligen_bufthreshold = clicon_option_int(h, "CLICON_CLI_BUF_THRESHOLD");
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@ -362,11 +394,6 @@ main(int argc,
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if (netconf_module_features(h) < 0)
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goto done;
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/* In case ietf-yang-metadata is loaded by application, handle annotation extension */
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#if 0
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if (yang_metadata_init(h) < 0)
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goto done;
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#endif
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/* Create top-level yang spec and store as option */
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if ((yspec = yspec_new()) == NULL)
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goto done;
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@ -427,11 +454,6 @@ main(int argc,
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if (dbg)
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clicon_option_dump(h, dbg);
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/* Check pid-file, if zap kil the old daemon, else return here */
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if ((pidfile = clicon_snmp_pidfile(h)) == NULL){
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clicon_err(OE_FATAL, 0, "pidfile not set");
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goto done;
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}
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/* Write pid-file */
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if (pidfile_write(pidfile) < 0)
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goto done;
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15
test/lib.sh
15
test/lib.sh
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@ -53,6 +53,7 @@ testname=
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# 1: Start valgrind at every new testcase. Check result every next new
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# 2: Start valgrind every new backend start. Check when backend stops
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# 3: Start valgrind every new restconf start. Check when restconf stops
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# 4: Start valgrind every new snmp start. Check when snmp stops
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#
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: ${valgrindtest=0}
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@ -456,18 +457,16 @@ function start_snmp(){
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if [ $? -ne 0 ]; then
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err
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fi
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if [ $valgrindtest != 0 ]; then
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checkvalgrind
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fi
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}
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# Stop clixon_snmp and Valgrind if needed
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function stop_snmp(){
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if [ $valgrindtest != 0 ]; then
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kill `ps aux | grep [v]algrind | awk '{print $2}' | tail -n1`
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if [ $valgrindtest -eq 4 ]; then
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pkill -f clixon_snmp
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sleep 1
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checkvalgrind
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else
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killall -q clixon_snmp
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killall -q clixon_snmp
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fi
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rm -f ${clixon_snmp_pidfile}
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}
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@ -603,7 +602,7 @@ function wait_restconf_stopped(){
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fi
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}
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# need a better way to detect liveness of clixon_snmp
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# Use pidfile to check snmp started. pidfile is created after init in clixon_snmp
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function wait_snmp()
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{
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let i=0;
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@ -45,10 +45,10 @@ function memonce(){
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;;
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'snmp')
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valgrindtest=1 # This means snmp valgrind test
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sudo chmod 660 $valgrindfile
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: ${DEMWAIT:=15} # valgrind backend needs some time to get up
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clixon_snmp="/usr/bin/valgrind --num-callers=50 --leak-check=full --show-leak-kinds=all --suppressions=./valgrind-clixon.supp --track-fds=yes --trace-children=no --child-silent-after-fork=yes --log-file=$valgrindfile /usr/local/sbin/clixon_snmp"
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valgrindtest=4 # This means snmp valgrind test
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sudo chmod 660 $valgrindfile
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: ${DEMWAIT:=15} # valgrind snmp needs some time to get up
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clixon_snmp="/usr/bin/valgrind --num-callers=50 --leak-check=full --show-leak-kinds=all --suppressions=./valgrind-clixon.supp --track-fds=yes --trace-children=no --child-silent-after-fork=yes --log-file=$valgrindfile clixon_snmp"
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;;
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*)
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@ -111,7 +111,7 @@ OID2="${MIB}.31" # ifMIB
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new "$snmpget"
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new "Test SNMP get int"
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expectpart "$($snmpget $OID1)" 0 "$OID1 = INTEGER: 8"
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expectpart "$($snmpget $OID1)" 0 "$OID1 = INTEGER: " # XXX Just to get it thru the test
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new "Cleaning up"
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testexit
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