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This consists of several C programs as CGI's and uses LMDB to store data nodes post to the server.
This consists of several C programs as CGI's and uses LMDB to store data nodes post to the server.
The source is under /usr/local/source/stats/
The source is under /usr/local/src/status
* index.cgi - generates the code for the index page and textual output
* index.cgi - generates the code for the index page and textual output
* getconn.cgi - not really needed for the user interface. ?$NODE returns text with the total number of connected nodes and the state of each connected node separated by pipes
* getconn.cgi - not really needed for the user interface. ?$NODE returns text with the total number of connected nodes and the state of each connected node separated by pipes
* statsdb.cgi - not needed for the interface. If the compiled in IP is matched, it will return a dump of the database.
* statsdb.cgi - not needed for the interface. If the compiled in IP is matched, it will return a dump of the database.
* jsondata.cgi - not needed for the interface, no sure what it does.
* jsondata.cgi - not needed for the interface, used for returning JSON formated node data from database.
* getstatus.cgi - generates the per node PNG image using getstatus and neato. This is a bash script.
* getstatus.cgi - generates the per node PNG image using getstatus and neato. This is a bash script.
* graphic-status.html - used to display the big network wide graph
* graphic-status.html - used to display the big network wide graph
* getstatus - used by getstatus.cgi, it makes the text data neato uses to build the per node graph
* getstatus - used by getstatus.cgi, it makes the text data neato uses to build the per node graph
* /var/www/stats-private/stats-lmdb - location of the LMDB database. This should be compiled in.
* /var/www/stats-private/stats-lmdb - location of the LMDB database. This should be compiled in.
For speed we can run the stats db on a tempfs in memory. I've disabled this for now. but it could be
For speed we can run the stats db on a tempfs in memory. I've disabled this for now. but it could be enabled in /etc/fstab.
'''Note: The db hangs from time to time and one needs to run a cron job of /usr/local/src/liblmdb/mdb_stat -rr /var/www/stats-private/stats-lmdb to clear the stale readers. see: http://www.lmdb.tech/doc/index.html'''
[[Category: Infrastructure]]