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EPICS Channel Access Observer

Monitoring and reporting about Channel Access network broadcasts.

Required debian packages

The caspy daemon requires:

  1. python >=2.7, <3.0
  2. python-twisted-core >=12.0
  3. python-twisted-web >=12.0
  4. python-pymongo >=2.2
  5. mongodb-server >=2.4

The caobserver web app. requires:

  1. python >=2.7, <3.0
  2. python-django >=1.7
  3. matplotlib >= 1.1
  4. libjs-jquery >=1.7
  5. libjs-flot >=0.7
  6. python-pymongo >=2.2
  7. mongodb-server >=2.4

Setup caspy

The caspy daemon is configured through a configuration file. The default is to use a local mongodb server.

To test, run from the daemon directory.

$ twistd -n caspy

Setup caobserver with Apache mod_wsgi

The following assumes that this repository is checked out to /var/observ.

In web/ First run:

$ ./ collectstatic

This will populate /var/observ/web/topstatic.

Apache vhost configuration based on default Apache on Debian.

<VirtualHost *:80>
    ServerName router.local
    ServerAlias router
    ServerAdmin webmaster@localhost

    DocumentRoot /var/www
    Alias /static/ /var/observ/web/topstatic/
    <Directory />
        Options FollowSymLinks
        AllowOverride None
    <Directory /var/www/>
        Order allow,deny
        allow from all

    WSGIDaemonProcess app1
    WSGIScriptAlias /ca /var/observ/web/caobserver/

    <Directory /var/observ/web/caobserver>
        Order allow,deny
        allow from all
    <Location /ca>
        WSGIProcessGroup app1

    ErrorLog ${APACHE_LOG_DIR}/error.log
    LogLevel warn
    CustomLog ${APACHE_LOG_DIR}/access.log combined


Copyright (C) 2015 Michael Davidsaver

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 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 Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see

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