int rtm_run(struct fins_module *module, pthread_attr_t *attr) {
PRINT_DEBUG("Entered: module=%p, attr=%p", module, attr);
module->state = FMS_RUNNING;
rtm_get_ff(module);
struct rtm_data *md = (struct rtm_data *) module->data;
secure_pthread_create(&md->switch_to_rtm_thread, attr, switch_to_rtm, module);
secure_pthread_create(&md->accept_console_thread, attr, accept_console, module);
secure_pthread_create(&md->console_to_rtm_thread, attr, console_to_rtm, module);
return 1;
}
void *switch_to_rtm(void *local) {
struct fins_module *module = (struct fins_module *) local;
PRINT_IMPORTANT("Entered: module=%p", module);
while (module->state == FMS_RUNNING) {
rtm_get_ff(module);
PRINT_DEBUG("");
}
PRINT_IMPORTANT("Exited: module=%p", module);
return NULL;
}
void *switch_to_rtm(void *local) {
struct fins_module *module = (struct fins_module *) local;
PRINT_DEBUG("Entered: module=%p", module);
PRINT_IMPORTANT("Thread started: module=%p, index=%u, id=%u, name='%s'", module, module->index, module->id, module->name);
while (module->state == FMS_RUNNING) {
rtm_get_ff(module);
PRINT_DEBUG("");
}
PRINT_IMPORTANT("Thread exited: module=%p, index=%u, id=%u, name='%s'", module, module->index, module->id, module->name);
PRINT_DEBUG("Exited: module=%p", module);
return NULL;
}
//RTM's main function
//Gets information from RTM_IN pipe
//Is started as a thread in core.c
void rtm_init(pthread_attr_t *fins_pthread_attr) {
PRINT_IMPORTANT("RTM has started");
/*
//added to include code from fins_daemon.sh -- mrd015 !!!!! //TODO move this to RTM module
if (mkfifo(RTM_PIPE_IN, 0777) != 0) {
if (errno == EEXIST) {
PRINT_DEBUG("mkfifo(" RTM_PIPE_IN ", 0777) already exists.");
} else {
PRINT_ERROR("mkfifo(" RTM_PIPE_IN ", 0777) failed.");
exit(-1);
}
}
if (mkfifo(RTM_PIPE_OUT, 0777) != 0) {
if (errno == EEXIST) {
PRINT_DEBUG("mkfifo(" RTM_PIPE_OUT ", 0777) already exists.");
} else {
PRINT_ERROR("mkfifo(" RTM_PIPE_OUT ", 0777) failed.");
exit(-1);
}
}
*/
//int datalen;
int numBytes;
//int val_len;
int temp_serial_cntr = 0;
unsigned char* serialized_FCF = NULL;
int length_serialized_FCF;
//create a finsframe to be sent tover the queue
struct finsFrame *fins_frame = (struct finsFrame *) secure_malloc(sizeof(struct finsFrame));
fins_frame->dataOrCtrl = CONTROL;
//opens the pipe from clicomm (or wherever)
rtm_in_fd = open(RTM_PIPE_IN, O_RDWR);
if (rtm_in_fd == -1) {
PRINT_DEBUG("rtm_in_fd Pipe failure ");
exit(EXIT_FAILURE);
}
fflush(stdout);
while (1) {
temp_serial_cntr++; //used as a temporary serial_number generator
//READ FROM PIPE RTM_IN
numBytes = 0;
numBytes += read(rtm_in_fd, &length_serialized_FCF, sizeof(int)); //length of incoming serialized FCF
numBytes += read(rtm_in_fd, serialized_FCF, length_serialized_FCF); //incoming serialized FCF
fins_frame = unserializeCtrlFrame(serialized_FCF, length_serialized_FCF);
//value, Assumption was made, notice the size
PRINT_DEBUG("received data");
numBytes = 0;
//ERROR Message
fflush(stdout);
if (numBytes >= 0) {
PRINT_DEBUG("numBytes written %d", numBytes);
}
//CHANGE SenderID and SerialNum
fins_frame->ctrlFrame.senderID = RTM_ID;
fins_frame->ctrlFrame.serial_num = temp_serial_cntr;
//SEND TO QUEUE
secure_sem_wait(&RTM_to_Switch_Qsem);
write_queue(fins_frame, RTM_to_Switch_Queue);
sem_post(&RTM_to_Switch_Qsem);
PRINT_DEBUG("sent data ");
//READ FROM QUEUE
rtm_get_ff();
}
}
