tests/locking.c

   1 #include <gammu.h>
   2 #include <stdlib.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5
   6 #include "../libgammu/device/devfunc.h"
   7
   8 #include "common.h"
   9
  10 #define lock_path       "/var/lock/LCK.."
  11 #define TEST_DEVICE "/dev/foo/bar"
  12 #define TEST_LOCK lock_path "bar"
  13
  14 void create_lock(const char *name, const void *lock_data, const size_t lock_data_len)
  15 {
  16         FILE *fd;
  17         fd = fopen(name, "w");
  18         test_result(fd != NULL);
  19         test_result(fwrite(lock_data, 1, lock_data_len, fd) == lock_data_len);
  20         test_result(fclose(fd) == 0);
  21 }
  22
  23 int main(int argc UNUSED, char **argv UNUSED)
  24 {
  25         GSM_Debug_Info *debug_info;
  26         char *lock = NULL;
  27         int pid;
  28         char pids[20];
  29
  30         pid = getpid();
  31         sprintf(pids, "%d", pid);
  32
  33         debug_info = GSM_GetGlobalDebug();
  34         GSM_SetDebugFileDescriptor(stderr, FALSE, debug_info);
  35         GSM_SetDebugLevel("textall", debug_info);
  36
  37         /* Non existing PID, ASCII */
  38         create_lock(TEST_LOCK, "1234567890", 10);
  39         test_result(lock_device(NULL, TEST_DEVICE, &lock) == ERR_NONE);
  40         test_result(lock != NULL);
  41         test_result(unlock_device(NULL, &lock) == TRUE);
  42
  43         unlink(TEST_LOCK);
  44
  45         /* Existing PID, ASCII */
  46         create_lock(TEST_LOCK, pids, strlen(pids));
  47         test_result(lock_device(NULL, TEST_DEVICE, &lock) == ERR_DEVICELOCKED);
  48         test_result(lock == NULL);
  49         test_result(unlock_device(NULL, &lock) == FALSE);
  50
  51         unlink(TEST_LOCK);
  52
  53         /* Existing PID, binary */
  54         create_lock(TEST_LOCK, &pid, sizeof(int));
  55         test_result(lock_device(NULL, TEST_DEVICE, &lock) == ERR_DEVICELOCKED);
  56         test_result(lock == NULL);
  57         test_result(unlock_device(NULL, &lock) == FALSE);
  58
  59         unlink(TEST_LOCK);
  60
  61         /* Existing PID, binary */
  62         pid = 0xfffffff;
  63         create_lock(TEST_LOCK, &pid, sizeof(int));
  64         test_result(lock_device(NULL, TEST_DEVICE, &lock) == ERR_NONE);
  65         test_result(lock != NULL);
  66         test_result(unlock_device(NULL, &lock) == TRUE);
  67
  68         unlink(TEST_LOCK);
  69
  70         /* No existing lock */
  71         test_result(lock_device(NULL, TEST_DEVICE, &lock) == ERR_NONE);
  72         test_result(lock != NULL);
  73         test_result(unlock_device(NULL, &lock) == TRUE);
  74
  75         return 0;
  76 }
  77
  78 /* Editor configuration
  79  * vim: noexpandtab sw=8 ts=8 sts=8 tw=72:
  80  */