#!/bin/bash

# Tests for Serval DNA server operations.
#
# Copyright 2012 Paul Gardner-Stephen
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

source "${0%/*}/../testframework.sh"
source "${0%/*}/../testdefs.sh"

instances_reach_each_other() {
   local I J
   for I; do
      for J; do
         [ $I = $J ] && continue
         local logvar=LOG${I#+}
         local sidvar=SID${J#+}
         if ! grep "PEER REACHABLE, sid=${!sidvar}" "${!logvar}"; then
            return 1
         fi
      done
   done
   return 0
}

setup() {
   setup_servald
   assert_no_servald_processes
   configure_servald_server() { set_server_vars; }
   start_servald_instances +A +B
   wait_until --sleep=0.25 instances_reach_each_other +A +B
   set_instance +A
   executeOk_servald config set debug.all Yes
}

teardown() {
   stop_all_servald_servers
   kill_all_servald_processes
   assert_no_servald_processes
}

set_server_vars() {
   executeOk_servald config set log.show_pid on
   executeOk_servald config set log.show_time on
   executeOk_servald config set mdp.wifi.tick_ms 100
   executeOk_servald config set mdp.selfannounce.ticks_per_full_address 1
   executeOk_servald config set debug.interfaces Yes
   executeOk_servald config set debug.packetformats No
   executeOk_servald config set debug.routing No
   executeOk_servald config set debug.tx No
   executeOk_servald config set debug.rx No
   executeOk_servald config set debug.mdprequests Yes
}

doc_MultiServer="Start three servald servers with dummy interfaces"
setup_MultiServer() {
   setup_servald
   assert_no_servald_processes
   configure_servald_server() { set_server_vars; }
}
test_MultiServer() {
   start_servald_instances +A +B +C
}

doc_LookupWildcard="Lookup by wildcard"
test_LookupWildcard() {
   executeOk_servald dna lookup "*"
   assertStdoutLineCount '==' 2
   assertStdoutGrep --matches=1 "^sid://$SIDA/$DIDA:$DIDA:$NAMEA$"
   assertStdoutGrep --matches=1 "^sid://$SIDB/$DIDB:$DIDB:$NAMEB$"
}

doc_LookupEmpty="Lookup by empty string"
test_LookupEmpty() {
   executeOk_servald dna lookup ""
   assertStdoutLineCount '==' 2
   assertStdoutGrep --matches=1 "^sid://$SIDA/$DIDA:$DIDA:$NAMEA$"
   assertStdoutGrep --matches=1 "^sid://$SIDB/$DIDB:$DIDB:$NAMEB$"
}

doc_LookupNonExistent="Lookup non-existent phone number"
test_LookupNonExistent() {
   executeOk_servald dna lookup "5551234"
   assertStdoutLineCount '==' 0
}

doc_LookupLocal="Lookup local phone number"
test_LookupLocal() {
   executeOk_servald dna lookup "$DIDA"
   assertStdoutLineCount '==' 1
   assertStdoutGrep --matches=1 "^sid://$SIDA/$DIDA:$DIDA:$NAMEA$"
}

doc_LookupRemote="Lookup remote phone number"
test_LookupRemote() {
   executeOk_servald dna lookup "$DIDB"
   assertStdoutLineCount '==' 1
   assertStdoutGrep --matches=1 "^sid://$SIDB/$DIDB:$DIDB:$NAMEB$"
}

doc_NodeinfoLocal="Node info auto-resolves for local identities"
test_NodeinfoLocal() {
   # node info for a local identity returns DID/Name since it is free, even
   # if it isn't asked for.
   executeOk_servald node info $SIDA
   assertStdoutLineCount '==' 1
   assertStdoutGrep --matches=1 ":$SIDA:"
   assertStdoutGrep --matches=1 ":$DIDA:"
   assertStdoutGrep --matches=1 ":$NAMEA"
   assertStdoutGrep --matches=0 "did-not-resolved"
}

doc_NodeinfoRemote="Node info resolves remote identities"
test_NodeinfoRemote() {
   # if resolvedid is not specified for a remote identity, then don't resolve it.
   executeOk_servald node info $SIDB
   assertStdoutLineCount '==' 1
   assertStdoutGrep --matches=1 ":$SIDB:"
   assertStdoutGrep --matches=0 ":$DIDB:"
   assertStdoutGrep --matches=0 ":$NAMEB"
   assertStdoutGrep --matches=1 "did-not-resolved"
   # But if it resolvedid is specified, then do resolve it using DNA
   executeOk_servald node info $SIDB resolvedid
   assertStdoutLineCount '==' 1
   assertStdoutGrep --matches=1 ":$SIDB:"
   assertStdoutGrep --matches=1 ":$DIDB:"
   assertStdoutGrep --matches=1 ":$NAMEB"
   assertStdoutGrep --matches=0 "did-not-resolved"
}

setup_multi_helper() {
   setup_servald
   assert_no_servald_processes
   dnahelper="$TFWTMP/dnahelper"
   cat >"$dnahelper" <<'EOF'
#!/bin/sh
echo STARTED
while read line
do
   token="${line%%|*}"
   case "$1:$line" in
   A:*'|00003|') echo "$token|uri:A1|00003|Name One|";;
   A:*'|00002|') echo "$token|uri:A2|00002|Name Two|";;
   B:*'|00003|') echo "$token|uri:B1|00003|Name Three|";;
   B:*'|00002|') echo "$token|uri:B2|00002|Name Four|";;
   B:*'|00001|') echo "$token|uri:B3|00001|Name Five|";;
   C:*'|00003|') echo "$token|uri:C1|00003|Name Six|";;
   esac
   echo DONE
done
EOF
   chmod 0755 "$dnahelper"
   configure_servald_server() {
      set_server_vars
      executeOk_servald config set debug.dnahelper on
      executeOk_servald config set dna.helper.executable "$dnahelper"
      executeOk_servald config set dna.helper.argv.1 "$instance_name"
   }
   start_servald_instances +A +B +C +D
   wait_until --sleep=0.25 instances_reach_each_other +A +B +C +D
   set_instance +D
}

doc_MultiLookupHelperThree="Lookup phone number three nodes reply"
setup_MultiLookupHelperThree() {
   setup_multi_helper
}
test_MultiLookupHelperThree() {
   executeOk_servald dna lookup 00003
   assertStdoutLineCount '==' 3
   assertStdoutGrep --matches=1 "uri:A1:00003:Name One$"
   assertStdoutGrep --matches=1 "uri:B1:00003:Name Three$"
   assertStdoutGrep --matches=1 "uri:C1:00003:Name Six$"
}

doc_MultiLookupHelperTwo="Lookup phone number two nodes reply"
setup_MultiLookupHelperTwo() {
   setup_multi_helper
}
test_MultiLookupHelperTwo() {
   executeOk_servald dna lookup 00002
   assertStdoutLineCount '==' 2
   assertStdoutGrep --matches=1 "uri:A2:00002:Name Two$"
   assertStdoutGrep --matches=1 "uri:B2:00002:Name Four$"
}

doc_MultiLookupHelperOne="Lookup phone number one node replies"
setup_MultiLookupHelperOne() {
   setup_multi_helper
}
test_MultiLookupHelperOne() {
   executeOk_servald dna lookup 00001
   assertStdoutLineCount '==' 1
   assertStdoutGrep --matches=1 "uri:B3:00001:Name Five$"
}

runTests "$@"