C++ (Cpp) log_matcher_replace Examples

Example #1

File: test_matcher.c Project: Turneliusz/syslog-ng-3.5

int
testcase_replace(const gchar *log, const gchar *re, gchar *replacement, const gchar *expected_result, const gint matcher_flags, LogMatcher *m)
{
  LogMessage *msg;
  LogTemplate *r;
  gchar *result;
  gssize length;
  gchar buf[1024];
  gssize msglen;
  NVHandle nonasciiz = log_msg_get_value_handle("NON-ASCIIZ");
  const gchar *value;
  GSockAddr *sa;

  sa = g_sockaddr_inet_new("10.10.10.10", 1010);
  msg = log_msg_new(log, strlen(log), sa, &parse_options);
  g_sockaddr_unref(sa);

  /* NOTE: we test how our matchers cope with non-zero terminated values. We don't change message_len, only the value */

  g_snprintf(buf, sizeof(buf), "%sAAAAAAAAAAAA", log_msg_get_value(msg, LM_V_MESSAGE, &msglen));
  log_msg_set_value(msg, log_msg_get_value_handle("MESSAGE2"), buf, -1);

  /* add a non-zero terminated indirect value which contains the whole message */
  log_msg_set_value_indirect(msg, nonasciiz, log_msg_get_value_handle("MESSAGE2"), 0, 0, msglen);

  log_matcher_set_flags(m, matcher_flags);

  log_matcher_compile(m, re);

  r = log_template_new(configuration, NULL);
  log_template_compile(r, replacement, NULL);

  NVTable *nv_table = nv_table_ref(msg->payload);
  value = log_msg_get_value(msg, nonasciiz, &msglen);
  result = log_matcher_replace(m, msg, nonasciiz, value, msglen, r, &length);
  value = log_msg_get_value(msg, nonasciiz, &msglen);
  nv_table_unref(nv_table);

  if (strncmp(result ? result : value, expected_result, result ? length : msglen) != 0)
    {
      fprintf(stderr, "Testcase failure. pattern=%s, result=%.*s, expected=%s\n", re, (gint) length, result ? result : value, expected_result);
      exit(1);
    }

  g_free(result);

  log_template_unref(r);
  log_matcher_unref(m);
  log_msg_unref(msg);
  return 0;
}

Example #2

File: rewrite-subst.c Project: Turneliusz/syslog-ng-3.5

void
log_rewrite_subst_process(LogRewrite *s, LogMessage **pmsg, const LogPathOptions *path_options)
{
  LogRewriteSubst *self = (LogRewriteSubst *) s;
  const gchar *value;
  gchar *new_value;
  gssize length;
  gssize new_length = -1;

  value = log_msg_get_value(*pmsg, self->super.value_handle, &length);

  log_msg_make_writable(pmsg, path_options);
  new_value = log_matcher_replace(self->matcher, *pmsg, self->super.value_handle, value, length, self->replacement, &new_length);
  if (new_value)
    {
      log_msg_set_value(*pmsg, self->super.value_handle, new_value, new_length);
    }
  g_free(new_value);
}

Example #3

File: logrewrite.c Project: semyda94/syslog-ng

void 
log_rewrite_subst_process(LogRewrite *s, LogMessage *msg)
{
  LogRewriteSubst *self = (LogRewriteSubst *) s;
  GError *regexp_error;
  const gchar *value;
  gchar *new_value;
  regexp_error = NULL;
  gssize length;
  gssize new_length = -1;

  value = log_msg_get_value(msg, self->super.value_handle, &length);

  new_value = log_matcher_replace(self->matcher, msg, self->super.value_handle, value, length, self->replacement, &new_length);
  if (new_value)
    {
      log_msg_set_value(msg, self->super.value_handle, new_value, new_length);
    }
  g_free(new_value);
}