Several fixes to restconf internal and vagrants tests

apps/restconf/Makefile.in

@@ -57,6 +57,8 @@ sysconfdir	= @sysconfdir@
 includedir	= @includedir@
 HOST_VENDOR     = @host_vendor@
 
+wwwdir          = @wwwdir@
+
 # one of fcgi or native:
 with_restconf	= @with_restconf@
 
@@ -151,6 +153,9 @@ distclean: clean
 install:	install-lib $(APPL)
 	install -d -m 0755 $(DESTDIR)$(sbindir)
 	install -m 0755 $(INSTALLFLAGS) $(APPL) $(DESTDIR)$(sbindir)
+ifeq ($(with_restconf),fcgi)
+	install -d -m 0755 $(DESTDIR)$(wwwdir)
+endif
 
 install-lib: $(MYLIB)
 	install -d -m 0755 $(DESTDIR)$(libdir)

lib/src/clixon_proto.c

@@ -402,7 +402,7 @@ clicon_msg_rcv(int                s,
 	goto done;
     }
     memcpy(*msg, &hdr, hlen);
-    if ((len2 = atomicio(read, s, (*msg)->op_body, mlen - sizeof(hdr))) == 0){ 
+    if ((len2 = atomicio(read, s, (*msg)->op_body, mlen - sizeof(hdr))) < 0){ 
  	clicon_err(OE_CFG, errno, "read");
 	goto done;
     }

test/test_restconf_internal.sh

@@ -23,6 +23,8 @@ startupdb=$dir/startup_db
 RESTCONFDBG=$DBG
 RCPROTO=http # no ssl here
 
+RESTCONFDIR=$(dirname $(which clixon_restconf))
+
 # log-destination in restconf xml: syslog or file
 : ${LOGDST:=syslog}
 # Set daemon command-line to -f
@@ -52,6 +54,7 @@ cat <<EOF > $cfg
   <CLICON_BACKEND_DIR>/usr/local/lib/$APPNAME/backend</CLICON_BACKEND_DIR>
   <CLICON_BACKEND_REGEXP>example_backend.so$</CLICON_BACKEND_REGEXP>
   <CLICON_RESTCONF_DIR>/usr/local/lib/$APPNAME/restconf</CLICON_RESTCONF_DIR>
+  <CLICON_RESTCONF_INSTALL_DIR>$RESTCONFDIR</CLICON_RESTCONF_INSTALL_DIR>
   <CLICON_CLI_DIR>/usr/local/lib/$APPNAME/cli</CLICON_CLI_DIR>
   <CLICON_CLI_MODE>$APPNAME</CLICON_CLI_MODE>
   <CLICON_SOCK>/usr/local/var/$APPNAME/$APPNAME.sock</CLICON_SOCK>
@@ -272,9 +275,12 @@ if [ $pid0 -eq $pid3 ]; then
     err1 "A different pid" "same pid: $pid3"
 fi
 
-new "kill restconf"
+new "kill restconf using kill"
 stop_restconf_pre
 
+new "Wait for restconf to stop"
+wait_restconf_stopped
+
 new "8. start restconf RPC"
 rpcoperation start
 if [ $? -ne 0 ]; then exit -1; fi

test/test_restconf_internal_usecases.sh

@@ -33,11 +33,21 @@ startupdb=$dir/startup_db
 # Restconf debug
 RESTCONFDBG=$DBG
 RCPROTO=http # no ssl here
+
+RESTCONFDIR=$(dirname $(which clixon_restconf))
+
 INVALIDADDR=251.1.1.1 # used by fourth usecase as invalid
 
 # log-destination in restconf xml: syslog or file
-LOGDST=syslog
+: ${LOGDST:=syslog}
+# Set daemon command-line to -f
+if [ "$LOGDST" = syslog ]; then
     LOGDST_CMD="s"      
+elif [ "$LOGDST" = file ]; then
+    LOGDST_CMD="f/var/log/clixon_restconf.log" 
+else
+    err1 "No such logdst: $LOGDST"
+fi
 
 if [ "${WITH_RESTCONF}" = "fcgi" ]; then
     EXTRACONF="<CLICON_FEATURE>clixon-restconf:fcgi</CLICON_FEATURE>"
@@ -58,6 +68,7 @@ cat <<EOF > $cfg
   <CLICON_BACKEND_DIR>/usr/local/lib/$APPNAME/backend</CLICON_BACKEND_DIR>
   <CLICON_BACKEND_REGEXP>example_backend.so$</CLICON_BACKEND_REGEXP>
   <CLICON_RESTCONF_DIR>/usr/local/lib/$APPNAME/restconf</CLICON_RESTCONF_DIR>
+  <CLICON_RESTCONF_INSTALL_DIR>$RESTCONFDIR</CLICON_RESTCONF_INSTALL_DIR>
   <CLICON_CLI_DIR>/usr/local/lib/$APPNAME/cli</CLICON_CLI_DIR>
   <CLICON_CLI_MODE>$APPNAME</CLICON_CLI_MODE>
   <CLICON_SOCK>/usr/local/var/$APPNAME/$APPNAME.sock</CLICON_SOCK>
@@ -182,10 +193,14 @@ echo "pid1:$pid1"   # XXX
 ps aux|grep clixon_ # XXX
 
 new "Check $pid1 exists"
-while sudo kill -0 $pid1 2> /dev/null; do
+# Here backend dies / is killed
+#while sudo kill -0 $pid1 2> /dev/null; do
+while sudo kill -0 $pid1; do # XXX
     new "kill $pid1 externally"
     sudo kill $pid1
-    sleep $DEMSLEEP
+    sleep 1 # There is a race condition here when restconf is killed while waiting for reply from backend
+    echo "pid1:$pid1"   # XXX
+    ps aux|grep clixon_ # XXX
 done
 
 echo "pid1:$pid1"   # XXX

test/vagrant/clixon.sh

@@ -28,7 +28,9 @@ fi
 
 # Fcgi restconf requires /www-data directory for fcgi socket
 if [ ${with_restconf} = fcgi ]; then
+    if [ ! -d /www-data ]; then
 	sudo mkdir /www-data
+    fi
     sudo chown $wwwuser /www-data 
     sudo chgrp $wwwuser /www-data
 fi

test/vagrant/vagrant.sh

@@ -35,6 +35,13 @@ linuxrelease()
 	    break
 	fi
     done
+    # Special cases
+    if [ "$release" = "unknown" ]; then
+	if [ -n "$(echo "$box" | grep -io "bionic")" ]; then
+	    release=ubuntu
+	    break;
+	fi
+    fi
     echo "$release"
 }
 
@@ -53,6 +60,11 @@ wwwuser=www-data
 release=$(linuxrelease $box)
 echo "release:$release"
 
+if [ "$release" = unknown ]; then
+    echo "$box not recognized"
+    exit 255
+fi
+
 test -d $dir || mkdir -p $dir
 
 # Write a vagrant file