Dear all,
This is the first time I am contributing to the Open
Source project and I hope my code can make it to the
CVS :)
The proposed changes are as follow:-
1. Internal SMSC Connections Load Balancer
i) basic round robin (implemented)
For example
(FAKE1,FAKE2,FAKE3,FAKE4) <--- SMSC connection
where smsc-id is specify
using group name : test
Sample configuration file
.
.
# SMSC CONNECTIONS
group = smsc
smsc = fake
smsc-id = FAKE1
preferred-smsc-id = FAKE1
port = 10001
connect-allow-ip = 127.0.0.1
group = smsc
smsc = fake
smsc-id = FAKE2
preferred-smsc-id = FAKE2
port = 10002
connect-allow-ip = 127.0.0.1
group = smsc
smsc = fake
smsc-id = FAKE3
preferred-smsc-id = FAKE3
port = 10003
connect-allow-ip = 127.0.0.1
group = smsc
smsc = fake
smsc-id = FAKE4
preferred-smsc-id = FAKE4
port = 10004
connect-allow-ip = 127.0.0.1
.
.
# FOR LOAD BALANCING
group = load-balancer
group-name = test
group-list = FAKE1,FAKE2,FAKE3,FAKE4
The load balancer call "test" with the arrangement
of FAKE1,FAKE2,FAKE3 and FAKE4.
When the following URL is call:-
http://localhost:13013/cgi-bin/sendsms?username=tester&password=foobar&to=0163655207&text=test&group=test
The load balancer will first select SMSC connection
(FAKE1) to send out SMS.
When the above URL is call again, the load balancer
will use SMSC connection (FAKE2) to send out SMS.
The SMSC connection will use (FAKE3) and (FAKE4)
when the URL is called twice.
It will use back SMSC connection (FAKE1) when the
URL is called the fifth time.
Using this load balancing feature, the sending out
SMS will improve as we can have more modems to send
out SMS compare using one modem.
ii) weighted round robin (not yet implemented)
Will submit the patches within next few weeks.
2. Writing to a directory when failed to send SMS
Configuration file
group = core
.
.
failed-dir = "/tmp/failed"
the failed-dir parameter must be in the core group.
The following format is used to write the file :-
PNO<CR> - String
connector info<CR> - String
which user<CR> - String
flag<CR> - all Integer
udh<CR> - Integer : String
message<CR> - String
The following file naming convention is used :-
(random number)_(phone number).err
These file(s) can used to resend the failed mesage(s)
by an external program.
Finally Merry Chritsmas and Happy New Year to you guys
and keep up the good work.
Cheers,
Hong Cheng
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