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theCPkid11-Sep-09 21:27
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QuestionResource Pin
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QuestionUndelete a File in NTFS Pin
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QuestionHow to decide if GPRS service is down in a C++ application (UDP socket) Pin
nahitan11-Sep-09 16:09
nahitan11-Sep-09 16:09 
Hi there,

I have an application that uses UDP socket to exchange packets with some mobile devices (we have modem and SIM cards in these devices and use UDP socket to connect to the C++ application). the application also has a TCS socket that connects to a server that connects to the same mobile device through radio system. Here we try to send some messages to the devices using GPRS and if it failed to go out (no ACK was sent from the device) we retransmit message through radio. my question is that I need to know if the GPRS system is down or not and if it is down I do not try GPRS first and wait for ACK to come back (delay in messaging). please note that we have heart beat from devices to the application every 45 minutes so I can't use heartbeat as an indicator of GPRS being down. also in slow time of the day (midnight to 5:00 am there is not much trafic between the devices and application. what is the best way here to decide if GPRS is down?

Thanks for help,

Nahitan
QuestionRe: How to decide if GPRS service is down in a C++ application (UDP socket) Pin
Moak12-Sep-09 3:54
Moak12-Sep-09 3:54 
AnswerRe: How to decide if GPRS service is down in a C++ application (UDP socket) Pin
nahitan12-Sep-09 18:16
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GeneralRe: How to decide if GPRS service is down in a C++ application (UDP socket) Pin
Moak12-Sep-09 22:28
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QuestionProblem with Tooltips for CTabCtrl [modified] Pin
Bob Blean11-Sep-09 14:43
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QuestionHow to use a list ctrl to select an item Pin
Chiman111-Sep-09 10:19
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AnswerRe: How to use a list ctrl to select an item Pin
David Crow11-Sep-09 14:25
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QuestionTransparent Bitmaps Pin
kylur11-Sep-09 8:48
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QuestionI need a library file or some program which is similar to bigint() class library in the C++. Pin
nowrocktheworld11-Sep-09 8:32
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AnswerRe: I need a library file or some program which is similar to bigint() class library in the C++. Pin
Saurabh.Garg11-Sep-09 22:03
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Question[C++ Error] exception(15): E2141 Declaration syntax error Pin
gordon305611-Sep-09 6:25
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AnswerRe: [C++ Error] exception(15): E2141 Declaration syntax error Pin
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