int main(int argc, char *argv[]) {
if(argc < 2) {
printf("Usage: %s <name>\n", argv[0]);
return -1;
}
/*copy the id to the global variable so that it could be used later in the handler*/
strncpy(id, argv[1], 20);
/* connect to IPC server */
IPC_connect(id);
/*Check if the following message format is already defined in central*/
IPC_defineFormat(MESSAGE_NAME_DRIVE_ARC_COMMAND, MESSAGE_FMT_1);
/*Define the message*/
IPC_defineMsg(MESSAGE_NAME_DRIVE_ARC_COMMAND, IPC_VARIABLE_LENGTH, MESSAGE_FMT_1);
IPC_defineFormat(MESSAGE_NAME_DRIVE_ARC_RESPONSE, MESSAGE_FMT_2);
/*Define the message*/
IPC_defineMsg(MESSAGE_NAME_DRIVE_ARC_RESPONSE, IPC_VARIABLE_LENGTH, MESSAGE_FMT_2);
/*Register the function that will get invoked when this message is published by someone */
IPC_subscribe(MESSAGE_NAME_DRIVE_ARC_COMMAND, msgHandler, id);
/*IPC wait and spin*/
IPC_dispatch();
return 0;
}
JNIEXPORT jint JNICALL
Java_ipc_java_IPC_IPC_1defineFormat (JNIEnv *env, jclass theClass,
jstring formatName, jstring formatString)
{
const char *cformatName, *cformatString;
int retVal;
cformatName = (*env)->GetStringUTFChars(env, formatName, 0);
cformatString = (*env)->GetStringUTFChars(env, formatString, 0);
retVal = IPC_defineFormat(cformatName, cformatString);
(*env)->ReleaseStringUTFChars(env, formatName, cformatName);
(*env)->ReleaseStringUTFChars(env, formatString, cformatString);
return (jint)retVal;
}
