STW TC1, Руководство пользователя

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7 Teleservice Application Framework
User Manual 149/374
DBusMessageIter t_args;
...
if(opt_msg != NULL)
{
// check if the message is "Internet_Connection_State"
if (dbus_message_is_signal(opt_msg, "stw.taf.ysignald", "Internet_Connection_State")
== TRUE)
{
// Get the message arguments
if (!dbus_message_iter_init(opt_msg, &t_args))
{
(void)printf("ProcessSignalArgument: DBUS message has no arguments\n");
}
dbus_message_iter_get_basic(&t_args, &pcn_Argument);
(void)utils_strlcpy(acn_SignalState, pcn_Argument, sizeof( acn_SignalState));
(void)printf("Internet_Connection_State: %s\n", acn_SignalState);
}
}
}
7.3.3.11 dbus_process_requests
Function Description
void dbus_process_requests (const T_DBUS_Util * const opt_DBusInstance)
This function needs to be called periodically in order to allow the TAF library to check for signals on the D-Bus
and to call your registered callback functions.
Information Flow
Input Information
Parameter Range Description
opt_DBusInstance T_DBUS_Util holds all D-Bus information
Structure T_DBUS_Util
typedef struct
{
DBusConnection* pt_dbus_conn;
// D-BUS connection instance
charn acn_myNameString[128]; // Name of the application, Don't use any
special
// characters, white spaces or new lines!
charn acn_myVersion[128]; // Additional value (for HELLO) signal (opt.)
charn acn_myStatus[128]; // Additional value (for HELLO) signal (opt.)
charn acn_myAddInfo[512]; // Additional value (for HELLO) signal (opt.)
sint32 s32_myTriginterval; // Time interval when the ysysd
// expects to be triggered
charn acn_myCMDOnWatchdog[2048]; // Bash cmd that must be executed
// by the ysysd in case no
// trigger signal occurred in time.
} T_DBUS_Util;
WARNING:
The function must be called frequently!