Add logic to loop and additional error information on sleep failure.

playback.c

@@ -10,11 +10,14 @@
 #include <linux/uinput.h>
 #include <sys/stat.h>
 
+static volatile int is_running = 1;
+
 int handle_udevice(char* details, int udevice_fd);
 int handle_line(char* line, int udevice_fd);
 int handle_mouse(char* details, int udevice_fd);
 int read_file(char* filename, int udevice_fd);
 int setup_udevice();
+void sigint_handler(int dummy);
 void teardown_udevice(int fd);
 
 void emit(int fd, int type, int code, int val) {
@@ -81,7 +84,12 @@ int handle_line(char* line, int udevice_fd) {
 	// printf("Read %ld %ld\n", seconds, nanos);
 	// printf("Sleep %ld %ld\n", to_sleep.tv_sec, to_sleep.tv_nsec);
 	while(nanosleep(&to_sleep, &remaining) == -1) {
-		printf("Sleep harder\n");
+		if(!is_running) {
+			return 0;
+		}
+		perror("nanosleep error");
+		printf("Attempted %ld.%ld sleep\n", to_sleep.tv_sec, to_sleep.tv_nsec);
+		printf("Need %ld.%ld more seconds for total sleep\n", remaining.tv_sec, remaining.tv_nsec);
 		to_sleep.tv_sec = remaining.tv_sec;
 		to_sleep.tv_nsec = remaining.tv_nsec;
 	}
@@ -97,8 +105,8 @@ int handle_line(char* line, int udevice_fd) {
 	timer_seconds = seconds;
 	timer_nanos = nanos;
 
-	printf("%ld %ld\tslept %ld %ld\n",
-		total_seconds, total_nanos, to_sleep.tv_sec, to_sleep.tv_nsec);
+	// printf("%ld %ld\tslept %ld %ld\n",
+		// total_seconds, total_nanos, to_sleep.tv_sec, to_sleep.tv_nsec);
 	if(type == 'k') {
 		return handle_keyboard(details, udevice_fd);
 	} else if(type == 'm') {
@@ -151,15 +159,34 @@ int handle_mouse(char* details, int udevice_fd) {
 }
 
 int main(int argc, char* argv[]) {
+	int repeat = 1;
 	if(argc < 2) {
 		printf("Please provide a capture file.");
 		exit(EXIT_FAILURE);
 	}
+	if(argc == 3) {
+		int matched = sscanf(argv[2], "%d", &repeat);
+		if(matched != 1) {
+			fprintf(stderr, "Failed to read repeat value.\n");
+			exit(EXIT_FAILURE);
+		}
+		printf("Repeating %d times\n", repeat);
+	}
+	
+	signal(SIGINT, sigint_handler);
+
+	for(int i = 3; i > 0; i--) {
+		fprintf(stderr, "Playing back in %d seconds\n", i);
+		sleep(1);
+	}
 
 	int result = 0;
 	int udevice_fd = setup_udevice();
-	if(read_file(argv[1], udevice_fd)) {
-		result = EXIT_FAILURE;
+	for(int i = 0; is_running && i < repeat; i++) {
+		fprintf(stderr, "Repeat %d/%d\n", i+1, repeat);
+		if(read_file(argv[1], udevice_fd)) {
+			result = EXIT_FAILURE;
+		}
 	}
 	teardown_udevice(udevice_fd);
 	return result;
@@ -177,16 +204,13 @@ int read_file(char* filename, int udevice_fd) {
 		return 1;
 	}
 
-	for(int i = 3; i > 0; i--) {
-		fprintf(stderr, "playing back in %d seconds\n", i);
-		sleep(1);
-	}
-
-	while((read = getline(&line, &len, fp)) != -1) {
+	while(is_running && (read = getline(&line, &len, fp)) != -1) {
 		if(handle_line(line, udevice_fd)) {
 			return 1;
 		}
 	}
+	fclose(fp);
+	return 0;
 }
 	
 int setup_udevice() {
@@ -205,7 +229,7 @@ int setup_udevice() {
 
 	// Add mouse buttons
 	ioctl(fd, UI_SET_KEYBIT, BTN_LEFT);
-	ioctl(fd, UI_SET_KEYBIT, BTN_LEFT);
+	ioctl(fd, UI_SET_KEYBIT, BTN_RIGHT);
 
 	ioctl(fd, UI_SET_EVBIT, EV_REL);
 	ioctl(fd, UI_SET_RELBIT, REL_X);
@@ -231,6 +255,10 @@ int setup_udevice() {
 	return fd;
 }
 
+void sigint_handler(int dummy) {
+	is_running = 0;
+}
+
 void teardown_udevice(int fd) {
 	ioctl(fd, UI_DEV_DESTROY);
 	close(fd);