/*
* Register driver with BIND
*/
isc_result_t
dlz_dlopen_init(isc_mem_t *mctx) {
#ifndef ISC_DLZ_DLOPEN
UNUSED(mctx);
return (ISC_R_NOTIMPLEMENTED);
#else
isc_result_t result;
dlopen_log(2, "Registering DLZ_dlopen driver");
result = dns_sdlzregister("dlopen", &dlz_dlopen_methods, NULL,
DNS_SDLZFLAG_RELATIVEOWNER |
DNS_SDLZFLAG_RELATIVERDATA |
DNS_SDLZFLAG_THREADSAFE,
mctx, &dlz_dlopen);
if (result != ISC_R_SUCCESS) {
UNEXPECTED_ERROR(__FILE__, __LINE__,
"dns_sdlzregister() failed: %s",
isc_result_totext(result));
result = ISC_R_UNEXPECTED;
}
return (result);
#endif
}
/*%
* Wrapper around dns_sdlzregister().
*/
isc_result_t
dlz_mysql_init(void) {
isc_result_t result;
/*
* Write debugging message to log
*/
isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
"Registering DLZ mysql driver.");
/* Driver is always threadsafe. Because of the way MySQL handles
* threads the MySQL driver can only be used when bind is run single
* threaded. Using MySQL with Bind running multi-threaded is not
* allowed. When using the MySQL driver "-n1" should always be
* passed to Bind to guarantee single threaded operation.
*/
result = dns_sdlzregister("mysql", &dlz_mysql_methods, NULL,
DNS_SDLZFLAG_RELATIVEOWNER |
DNS_SDLZFLAG_RELATIVERDATA |
DNS_SDLZFLAG_THREADSAFE,
ns_g_mctx, &dlz_mysql);
/* if we can't register the driver, there are big problems. */
if (result != ISC_R_SUCCESS) {
UNEXPECTED_ERROR(__FILE__, __LINE__,
"dns_sdlzregister() failed: %s",
isc_result_totext(result));
result = ISC_R_UNEXPECTED;
}
return result;
}
/*%
* Wrapper around dns_sdlzregister().
*/
isc_result_t
dlz_postgres_init(void) {
isc_result_t result;
/*
* Write debugging message to log
*/
isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
"Registering DLZ postgres driver.");
/*
* Driver is always threadsafe. When multithreaded all
* functions use multithreaded code. When not multithreaded,
* all functions can only be entered once, but only 1 thread
* of operation is available in Bind. So everything is still
* threadsafe.
*/
result = dns_sdlzregister("postgres", &dlz_postgres_methods, NULL,
DNS_SDLZFLAG_RELATIVEOWNER |
DNS_SDLZFLAG_RELATIVERDATA |
DNS_SDLZFLAG_THREADSAFE,
ns_g_mctx, &dlz_postgres);
/* if we can't register the driver, there are big problems. */
if (result != ISC_R_SUCCESS) {
UNEXPECTED_ERROR(__FILE__, __LINE__,
"dns_sdlzregister() failed: %s",
isc_result_totext(result));
result = ISC_R_UNEXPECTED;
}
return result;
}
/*%
* Wrapper around dns_sdlzregister().
*/
isc_result_t
dlz_bdbhpt_init(void) {
isc_result_t result;
/*
* Write debugging message to log
*/
isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_DLZ, ISC_LOG_DEBUG(2),
"Registering DLZ bdbhpt driver.");
result = dns_sdlzregister("bdbhpt", &dlz_bdbhpt_methods, NULL,
DNS_SDLZFLAG_RELATIVEOWNER |
DNS_SDLZFLAG_RELATIVERDATA |
DNS_SDLZFLAG_THREADSAFE,
ns_g_mctx, &dlz_bdbhpt);
if (result != ISC_R_SUCCESS) {
UNEXPECTED_ERROR(__FILE__, __LINE__,
"dns_sdlzregister() failed: %s",
isc_result_totext(result));
result = ISC_R_UNEXPECTED;
}
return result;
}
