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#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <stdint.h>
#include <string.h>
#include <pthread.h>
#include "slices_evt.h"
#include "recover.h"
#include "utils.h"
// Global variable shared by all threads to say "finish current operation and go away"
int end=0;
WINDOW *winUpdateSliceDump=NULL;
static pthread_mutex_t ncursesWriteMutex = PTHREAD_MUTEX_INITIALIZER;
struct threadArgs {
struct progArgs *progArgs;
slices_evt_t *slices;
};
void sigHookAbrt() {
end=1;
}
// Main procedures of each thread
void *procWorker(void *a);
void *procViewer(void *a);
int main(int argc, char **argv) {
// System structures
struct sigaction sa;
pthread_t tWorker;
// Main data structures
slices_evt_t slices;
// Progam and threads arguments
struct progArgs args;
struct threadArgs tArgs;
// Algorithmic needs
int res, i;
// 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);
// Data structure initialization
memset(&slices, 0, sizeof(slices));
slices.data=slicesNewSingleton(args.beginSector, args.endSector, S_UNKNOWN);
res=pthread_mutex_init(&(slices.eventListenerMutex), NULL);
if (res!=0) {
return 3;
}
// 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 4;
}
// Ncurses interface run in the main thread
(void) procViewer((void*)&tArgs);
// Thread join point
(void) pthread_join(tWorker, NULL);
//Final dump of datas
address_t blockSize=0;
char *dump;
dump=slicesDump(slices.data, &blockSize, 1000, 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));
slice_t *curr, *toFree;
i=0; curr=slices.data->first;
while (curr!=NULL) {
i++;
toFree=curr;
curr=curr->next;
free(toFree);
}
free(slices.data);
return 0;
}
void *procWorker(void *a) {
struct threadArgs *tArgs = (struct threadArgs *)a;
recover(
tArgs->slices,
tArgs->progArgs->src,
tArgs->progArgs->dst,
tArgs->progArgs->ddOpts
);
return a;
}
void cursesUpdateSliceDump(slices_evt_t *slicesEvt, slice_t *modifiedSlice) {
// char *strProgress="|/-\\";
// static int progress=0;
char *toPrint;
address_t blockSize=0;
//FIXME : do that realy
pthread_mutex_lock(&ncursesWriteMutex);
toPrint=slicesDump(slicesEvt->data, &blockSize, 1000, 0, 1000);
if (toPrint != NULL) {
attron(COLOR_PAIR(4));
mvwprintw(winUpdateSliceDump, 1, 0, toPrint);
// attroff(COLOR_PAIR(4));
update_panels();
doupdate();
free(toPrint);
}
/* sprintf(toPrint, "%c - %p %p", strProgress[progress], slicesEvt, modifiedSlice);
progress=(progress+1)%strlen(strProgress);
*/
pthread_mutex_unlock(&ncursesWriteMutex);
}
#define CURSESWIN_COUNT 3
void *procViewer(void *a) {
WINDOW *wins[CURSESWIN_COUNT];
PANEL *panels[CURSESWIN_COUNT];
int ch, i;
char str[2];
struct threadArgs *tArgs = (struct threadArgs *)a;
cursesInit(wins, panels, CURSESWIN_COUNT);
wattron(wins[CURSESWIN_COUNT-1], COLOR_PAIR(4));
mvwprintw(wins[CURSESWIN_COUNT-1], 1, 0, "(F2 to Exit)");
// wattroff(wins[CURSESWIN_COUNT-1], COLOR_PAIR(4));
update_panels();
doupdate();
/* Enable worker listener */
//FIXME : check pointers ?
winUpdateSliceDump=wins[1];
tArgs->slices->eventListener=cursesUpdateSliceDump;
while((ch = getch()) != KEY_F(2)) {
pthread_mutex_lock(&ncursesWriteMutex);
switch(ch) {
case '1':
case '2':
case '3':
str[0]=ch; str[1]='\0'; // int (ascii value+flags) to string
i=strtol(str, (char **)NULL, 10); // string to real integer
if (i>0 && i<=CURSESWIN_COUNT) {
top_panel(panels[i-1]);
update_panels();
}
break;
}
doupdate();
pthread_mutex_unlock(&ncursesWriteMutex);
}
pthread_mutex_lock(&(tArgs->slices->eventListenerMutex));
tArgs->slices->eventListener=NULL;
pthread_mutex_unlock(&(tArgs->slices->eventListenerMutex));
end=1;
cursesUnInit(wins, panels, CURSESWIN_COUNT);
return a;
}
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