#!/bin/bash

# Tests for stream connections
#
# Copyright 2012 Serval Project, Inc.
#
# 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"

teardown() {
   stop_all_servald_servers
   kill_all_servald_processes
   assert_no_servald_processes
   report_all_servald_servers
}

doc_connect_fail="Timeout when the connection isn't reachable"
setup_connect_fail() {
   setup_servald
   assert_no_servald_processes
   foreach_instance +A +B create_single_identity
   foreach_instance +A +B \
      executeOk_servald config \
         set debug.mdprequests on \
         set log.console.level DEBUG \
         set log.console.show_time on
   start_servald_instances +A
}
test_connect_fail() {
   set_instance +A
   execute --exit-status=1 --timeout=20 $servald msp connect $SIDB 512 <<EOF
Hello from the client
EOF
   tfw_cat --stderr
}

doc_hello="Simple Hello World"
setup_hello() {
   setup_servald
   assert_no_servald_processes
   foreach_instance +A +B create_single_identity
   foreach_instance +A +B \
      executeOk_servald config \
         set debug.mdprequests on \
         set log.console.level DEBUG \
         set log.console.show_time on
   start_servald_instances +A +B
}
server_hello() {
   executeOk_servald --timeout=20 msp listen 512 <<EOF
Hello from the server
EOF
   assertStdoutGrep --matches=1 "^Hello from the client$"
}
test_hello() {
   set_instance +A
   fork server_hello
   wait_until grep "Bind MDP $SIDA:512" "$instance_servald_log"
   set_instance +B
   executeOk_servald --timeout=20 msp connect $SIDA 512 <<EOF
Hello from the client
EOF
   assertStdoutGrep --matches=1 "^Hello from the server$"
   fork_wait_all
}

doc_client_no_data="Client connection with no data"
setup_client_no_data() {
   setup_servald
   assert_no_servald_processes
   create_file file1 64000
   foreach_instance +A +B create_single_identity
   foreach_instance +A +B \
      executeOk_servald config \
         set debug.mdprequests on \
         set log.console.level DEBUG \
         set log.console.show_time on
   start_servald_instances +A +B
}
server_client_no_data() {
   executeOk_servald --timeout=20 msp listen 512 <file1
   tfw_cat --stderr
}
test_client_no_data() {
   set_instance +A
   fork server_client_no_data
   wait_until grep "Bind MDP $SIDA:512" "$instance_servald_log"
   set_instance +B
   executeOk_servald --timeout=20 msp connect $SIDA 512 <<EOF
EOF
   tfw_cat --stderr
   assert diff file1 "$TFWSTDOUT"
   fork_wait_all
}

doc_server_no_data="Server sends no data"
setup_server_no_data() {
   setup_servald
   assert_no_servald_processes
   create_file file1 64000
   foreach_instance +A +B create_single_identity
   foreach_instance +A +B \
      executeOk_servald config \
         set debug.mdprequests on \
         set log.console.level DEBUG \
         set log.console.show_time on
   start_servald_instances +A +B
}
server_server_no_data() {
   executeOk_servald --timeout=20 msp listen 512 <<EOF
EOF
   tfw_cat --stderr
   assert diff file1 "$TFWSTDOUT"
}
test_server_no_data() {
   set_instance +A
   fork server_server_no_data
   wait_until grep "Bind MDP $SIDA:512" "$instance_servald_log"
   set_instance +B
   executeOk_servald --timeout=20 msp connect $SIDA 512 <file1
   tfw_cat --stderr
   fork_wait_all
}

doc_keep_alive="Keep the connection alive with no data"
setup_keep_alive() {
   setup_servald
   assert_no_servald_processes
   foreach_instance +A +B create_single_identity
   foreach_instance +A +B \
      executeOk_servald config \
         set debug.mdprequests on \
         set log.console.level DEBUG \
         set log.console.show_time on
   start_servald_instances +A +B
}
listen_pipe() {
   executeOk_servald msp listen 512 < <(echo "START" && sleep 20 && echo "END")
   tfw_cat --stdout --stderr
}
connect_pipe() {
   executeOk_servald msp connect $1 512 < <(echo "START" && sleep 20 && echo "END")
   tfw_cat --stdout --stderr
}
test_keep_alive() {
   set_instance +A
   fork listen_pipe
   wait_until --timeout=10 grep "Bind MDP $SIDA:512" "$instance_servald_log"
   set_instance +B
   fork connect_pipe $SIDA
   fork_wait_all
}

runTests "$@"