stasis-aries-wal/test/stasis/check_filePool.c

/*
 * check_filePool.c
 *
 *  Created on: Apr 15, 2011
 *      Author: sears
 */

/*---
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---*/
#include "../check_includes.h"

#include <stasis/logger/filePool.h>
#include <stasis/flags.h>
#include <assert.h>
#include <sys/time.h>
#include <time.h>

#define LOG_NAME   "check_filePool.log"

/**
   @test
*/
START_TEST(filePoolDirTest){
  stasis_log_t * log = stasis_log_file_pool_open(
      stasis_log_dir_name,
      stasis_log_file_mode,
      stasis_log_file_permissions);

  const int rec_len = 950;
  int rec_count = 100;

  lsn_t last_lsn = -1;
  for(int i = 0; i < rec_count * rec_len; i++) {
    LogEntry * e = log->reserve_entry(log, rec_len);
    e->type = UPDATELOG;
    e->update.arg_size = rec_len- sizeof(struct __raw_log_entry) - sizeof(UpdateLogEntry);
    last_lsn = e->LSN;
    log->write_entry(log, e);
    log->write_entry_done(log, e);
    if(!(i & 15)) { log->force_tail(log, 0); } // xxx
  }

  log->close(log);

  log = stasis_log_file_pool_open(
      stasis_log_dir_name,
      stasis_log_file_mode,
      stasis_log_file_permissions
      );

  lsn_t eol = log->next_available_lsn(log);

  assert(eol == last_lsn + rec_len + 2 * sizeof(uint32_t));

  lsn_t last_l = INVALID_LSN, l = log->truncation_point(log);
  const LogEntry * e;
  lsn_t truncated = 0;
  int i = 0;

  while((e = log->read_entry(log, l))) {
    last_l = e->LSN;
    l = log->next_entry(log, e);
    i++;
    if(!truncated && i > (rec_count * rec_len * 9) / 10) {
      truncated = e->LSN;
      printf("truncating to %lld\n", (long long)truncated);
      log->truncate(log, truncated);
      assert(log->truncation_point(log) > 0 && log->truncation_point(log) <= truncated);
      i = 1;
    }
    log->read_entry_done(log, e);
  }
  assert(last_l == last_lsn);

  int j = 0;
  last_l = INVALID_LSN;
  l = truncated;
  while((e = log->read_entry(log, l))) {
    last_l = e->LSN;
    l = log->next_entry(log, e);
    j++;
    log->read_entry_done(log, e);
  }
  assert(i == j);
  assert(last_l == last_lsn);

  log->close(log);
} END_TEST


Suite * check_suite(void) {
  Suite *s = suite_create("filePool");
  /* Begin a new test */
  TCase *tc = tcase_create("filePool");

  /* Sub tests are added, one per line, here */

  tcase_add_test(tc, filePoolDirTest);

  /* --------------------------------------------- */

  tcase_add_checked_fixture(tc, setup, teardown);


  suite_add_tcase(s, tc);
  return s;
}

#include "../check_setup.h"