Hello,
I´m trying to receive data from a GPS tracker (Toplovo TL-202) using the
socket gateway in ColdFusion (CF 8 and CF 9 enterprise on windows tested)
The data is sent as a TCP connection via GPRS from the tracker.
When I test the socket gateway via telnet I can connect to it and everything
I type is received and logged to a file.
I am using an example from cfdocs to test if I can receive and process the
data:
cfcomponent
cffunction name=onIncomingMessage output=no
cfargument name=CFEvent type=struct required=yes
cfscript
if (NOT IsDefined(CFEvent.Data.file)) {
CFEvent.Data.file=defaultEventLog; }
if (NOT IsDefined(CFEvent.Data.type)) {
CFEvent.Data.type=info; }
/cfscript
cflog text=#CFEvent.Data.message#
file=#CFEvent.Data.file#
type=#CFEvent.Data.type#
thread=yes
date=yes
time=yes
application=yes
/cffunction
/cfcomponent
However nothing is received/logged from the tracker until I disconnect the
GPRS session, then all accumulated data is processed and logged in the log
file.
When I look at the data received with a packet sniffer the data is like
this:
#013226006970707,CMD-T,A,DATE:130604,TIME:163554,LAT:59.1493866N,LOT:005.260
9933E,Speed:003.1,X-X-X-X-88-24,024,24202-01F8-2E2D##013226006970707,CMD-T,A
,DATE:130604,TIME:163854,LAT:59.1495200N,LOT:005.2610833E,Speed:000.5,X-X-X-
X-88-24,000,24202-01F8-2E2D#
And the data is exactly this there is no additional data in the packet
received when looking at the hex values
This data represents 2 position updates and the data packet is sent to the
gateway every 3 minutes.
I guess that the socket gateway is expecting some sort of end of
transmission before it receives and logs the data.
Can anyone point me to what I need to do to make the socket gateway receive
/ log the information on every transmission from the unit?
The full source code for the gateway is included, but I do not know what to
do with that kind of code ;)
(\JRun4\servers\cfusion\cfusion-ear\cfusion-war\WEB-INF\cfusion\gateway\src\
examples\socket on my devserver)
I´m going to parse the data as it is received and store it in database for
further processing.
Maybe there is better and smarter ways to do this especially if there is
thousands of trackers sending position data to the system?
Thanks,
Helge Hetland
WebSite AS
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