LP#1369169: Add Apache 2.4 specific configuration file for websockets

For Apache 2.4, there were some necessary modifications for running the
websockets code properly. Similar to how we do things in Evergreen, we
added a new directory for apache_24 which contains the modified apache2.conf
file.

Signed-off-by: Ben Shum <bshum@biblio.org>
Signed-off-by: Bill Erickson <berickxx@gmail.com>

diff --git a/examples/apache_24/websockets/apache2.conf b/examples/apache_24/websockets/apache2.conf
new file mode 100644 (file)
index 0000000..9076b5c
--- /dev/null
+++ b/examples/apache_24/websockets/apache2.conf
@@ -0,0 +1,80 @@
+# This is the main Apache 2.4 server configuration file for the OpenSRF
+# WebSockets gateway.
+
+Include mods-available/mpm_prefork.load
+Include mods-available/mpm_prefork.conf
+Include mods-available/access_compat.load
+Include mods-available/authz_core.load
+
+# if we don't want to run as "opensrf", change the LockFile
+#LockFile ${APACHE_LOCK_DIR}/accept.lock
+Mutex file:${APACHE_LOCK_DIR} default
+PidFile ${APACHE_PID_FILE}
+User ${APACHE_RUN_USER}
+Group ${APACHE_RUN_GROUP}
+
+DefaultType None
+HostnameLookups Off
+ErrorLog ${APACHE_LOG_DIR}/error.log
+LogLevel warn
+
+# only affects the initial connection, which should be quick.
+Timeout 30
+
+# WebSockets is KeepAlive on steroids
+KeepAlive Off
+
+<IfModule mpm_prefork_module>
+    StartServers          5
+    MinSpareServers       5
+    MaxSpareServers      20
+    # use ServerLimit to raise beyond 256
+    MaxClients          256
+    MaxRequestsPerChild   0
+</IfModule>
+
+# include the exact mods we need
+Include mods-available/mime.load
+Include mods-available/mime.conf
+# SSL requires mime
+Include mods-available/ssl.load
+Include mods-available/ssl.conf
+Include mods-available/socache_shmcb.load
+Include mods-available/websocket.load
+
+LogFormat "%v:%p %h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" vhost_combined
+LogFormat "%h %l %u %t \"%r\" %>s %O \"%{Referer}i\" \"%{User-Agent}i\"" combined
+LogFormat "%h %l %u %t \"%r\" %>s %O" common
+LogFormat "%{Referer}i -> %U" referer
+LogFormat "%{User-agent}i" agent
+
+# WebSockets via SSL
+Listen 7682
+NameVirtualHost *:7682
+<VirtualHost *:7682>
+    DocumentRoot /var/www
+    ServerName localhost:7682
+    ServerAlias 127.0.0.1:7682
+    SSLEngine on
+    SSLHonorCipherOrder On
+    SSLCipherSuite ECDHE-RSA-AES256-SHA384:AES256-SHA256:RC4:HIGH:!MD5:!aNULL:!EDH:!AESGCM
+
+    # re-use the certs from the main apache instance
+    SSLCertificateFile /etc/apache2/ssl/server.crt
+    SSLCertificateKeyFile /etc/apache2/ssl/server.key
+</VirtualHost>
+
+# WebSockets via non-SSL
+Listen 7680
+NameVirtualHost *:7680
+<VirtualHost *:7680>
+    ServerName localhost:7680
+    ServerAlias 127.0.0.1:7680
+    DocumentRoot /var/www
+</VirtualHost>
+                                                                                
+# OpenSRF WebSockets gateway
+<Location /osrf-websocket-translator>
+    SetHandler websocket-handler
+    WebSocketHandler /usr/lib/apache2/modules/osrf_websocket_translator.so osrf_websocket_init
+</Location>