Rever use of host.docker.internal

It's only supported on macOS

tests/ab/clientRunner.php

@@ -15,7 +15,7 @@ require __DIR__ . '/../bootstrap.php';
 
 define('AGENT', 'RatchetRFC/0.3');
 
-$testServer = "host.docker.internal";
+$testServer = $argc > 1 ? $argv[1] : "127.0.0.1";
 
 $loop = React\EventLoop\Factory::create();
 

tests/ab/docker_bootstrap.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -x
+
+echo "Running $0"
+
+echo Adding "$1 host.ratchet.internal" to /etc/hosts file
+
+echo $1 host.ratchet.internal >> /etc/hosts
+
+echo /etc/hosts contains:
+cat /etc/hosts
+echo

tests/ab/fuzzingclient.json

@@ -5,7 +5,7 @@
   , "outdir": "/reports/servers"
   , "servers": [{
         "agent": "RatchetRFC/0.3"
-      , "url": "ws://host.docker.internal:9001"
+      , "url": "ws://host.ratchet.internal:9001"
       , "options": {"version": 18}
     }]
   , "cases": [

tests/ab/fuzzingclient_skip_deflate.json

@@ -5,7 +5,7 @@
   , "outdir": "/reports/servers"
   , "servers": [{
         "agent": "RatchetRFC/0.3"
-      , "url": "ws://host.docker.internal:9001"
+      , "url": "ws://host.ratchet.internal:9001"
       , "options": {"version": 18}
     }]
   , "cases": ["*"]

tests/ab/run_ab_tests.sh

@@ -48,7 +48,7 @@ if [ "$ABTEST" = "server" ]; then
       -v ${PWD}:/config \
       -v ${PWD}/reports:/reports \
       --name fuzzingclient \
-      crossbario/autobahn-testsuite /bin/sh -c "wstest -m fuzzingclient -s /config/fuzzingclient$SKIP_DEFLATE.json"
+      crossbario/autobahn-testsuite /bin/sh -c "sh /config/docker_bootstrap.sh $IPADDR; wstest -m fuzzingclient -s /config/fuzzingclient$SKIP_DEFLATE.json"
   sleep 1
 
   # send the shutdown command to the PHP echo server