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#include <signal.h>
#include <pthread.h>
#include <string.h> /* For memset() */
#include "slices_evt.h"
#include "utils.h"
#include "recover.h"
#include "cursesview.h"
// Global variable shared by all threads to say "finish current operation and go away"
int end=0;
void sigHookAbrt() {
end=1;
}
// Main thread procedures declaration and a struct for passing arguments in a clean way
void *procWorker(void *a);
void *procViewer(void *a);
struct threadArgs {
struct progArgs *progArgs;
slices_evt_t *slices;
};
int main(int argc, char **argv) {
// System structures
struct sigaction sa;
pthread_t tWorker;
// Main data structure
slices_evt_t slices;
// Progam and threads arguments
struct progArgs args;
struct threadArgs tArgs;
// Algorithmic needs
int res;
// Parse command-line arguments
res=parseArgs(argc, argv, &args);
if (res!=0) {
usage(argv[0]);
return 1;
}
// Set signals behavior
memset(&sa,0,sizeof(sa));
sa.sa_handler=sigHookAbrt;
res=sigaction(SIGABRT, &sa, NULL);
if (res!=0) {
return 2;
}
//XXX Remove srand : only for simulation
srand(4);
// Initialize main data structure
//XXX provide a method to do that ?
memset(&slices, 0, sizeof(slices));
slices.data=slicesNewSingleton(args.beginSector, args.endSector, S_UNKNOWN);
if ( slices.data == NULL ) {
return 3;
}
slices.data->min=args.beginSector;
slices.data->max=args.endSector;
res=pthread_mutex_init(&(slices.eventListenerMutex), NULL);
if (res!=0) {
return 4;
}
// Threads preparation, creation and start
memset(&tArgs, 0, sizeof(tArgs));
tArgs.progArgs=&args;
tArgs.slices=&slices;
res=pthread_create(&tWorker, NULL, procWorker, &tArgs);
if (res!=0) {
return 5;
}
// Ncurses interface run in the main thread
(void) procViewer((void*)&tArgs);
// Thread join point (wait worker thread when viewer is done)
(void) pthread_join(tWorker, NULL);
//Final dump of datas
address_t blockSize=0;
char *dump;
dump=slicesDump(slices.data, &blockSize, 10000, args.beginSector, args.endSector);
if (dump != NULL) {
puts(dump);
free(dump);
}
printf("blockSize==%lld\n", blockSize);
printf("slices->count==%d\n", slices.data->count);
//Resources desallocation
(void) pthread_mutex_destroy(&(slices.eventListenerMutex));
slicesDelete(slices.data);
return 0;
}
void *procWorker(void *a) {
struct threadArgs *tArgs = (struct threadArgs *)a;
//XXX : We will need something more controlable than just a blocking call to the main algorithm
recover(
tArgs->slices,
tArgs->progArgs->src,
tArgs->progArgs->dst,
tArgs->progArgs->ddOpts
);
return a;
}
void *procViewer(void *a) {
struct threadArgs *tArgs = (struct threadArgs *)a;
cursesMainLoop(
tArgs->slices
);
return a;
}
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