// newUri creates a session from a parsed uri.
func newUri(uri string, version SnmpVersion, parsed_uri *_Ctype_GURI) (session *_Ctype_GNetSnmp, err error) {
var gerror *C.GError
session = C.gnet_snmp_new_uri(parsed_uri, &gerror)
// error handling
if gerror != nil {
err_string := C.GoString((*_Ctype_char)(gerror.message))
C.g_clear_error(&gerror)
return session, fmt.Errorf("%s: %s", libname(), err_string)
}
if session == nil {
return session, fmt.Errorf("%s: unable to create session", libname())
}
session.version = (_Ctype_GNetSnmpVersion)(version)
// results
return session, nil
}
// Do an gsnmp library sync_* query
//
// Results are returned in C form, use convertResults() to convert to a Go struct.
func querySync(session *_Ctype_GNetSnmp, vbl *_Ctype_GList,
uritype _Ctype_GNetSnmpUriType) (*_Ctype_GList, error) {
var gerror *C.GError
var out *_Ctype_GList
switch UriType(uritype) {
case GNET_SNMP_URI_GET:
out = C.gnet_snmp_sync_get(session, vbl, &gerror)
case GNET_SNMP_URI_NEXT:
out = C.gnet_snmp_sync_getnext(session, vbl, &gerror)
case GNET_SNMP_URI_WALK:
out = C.gnet_snmp_sync_walk(session, vbl, &gerror)
default:
return nil, fmt.Errorf("%s: querySync(): unknown uritype", libname())
}
// error handling
if gerror != nil {
err_string := C.GoString((*_Ctype_char)(gerror.message))
C.g_clear_error(&gerror)
return out, fmt.Errorf("%s: %s", libname(), err_string)
}
err_status := PduError(session.error_status)
switch UriType(uritype) {
case GNET_SNMP_URI_WALK:
if err_status != GNET_SNMP_PDU_ERR_NOERROR && err_status != GNET_SNMP_PDU_ERR_NOSUCHNAME {
es := C.get_err_label(session.error_status)
err_string := C.GoString((*_Ctype_char)(es))
return out, fmt.Errorf("%s: %s for uri %d", libname(), err_string, session.error_index)
}
default:
if err_status != GNET_SNMP_PDU_ERR_NOERROR {
es := C.get_err_label(session.error_status)
err_string := C.GoString((*_Ctype_char)(es))
return out, fmt.Errorf("%s: %s for uri %d", libname(), err_string, session.error_index)
}
}
// results
return out, nil
}
// newUri creates a session from a parsed uri.
func newUri(params *QueryParams, parsed_uri *_Ctype_GURI) (session *_Ctype_GNetSnmp, err error) {
var gerror *C.GError
session = C.gnet_snmp_new_uri(parsed_uri, &gerror)
// error handling
if gerror != nil {
err_string := C.GoString((*_Ctype_char)(gerror.message))
C.g_clear_error(&gerror)
return session, fmt.Errorf("%s: newUri(): %s", libname(), err_string)
}
if session == nil {
return session, fmt.Errorf("%s: newUri(): unable to create session", libname())
}
if params.Version == GNET_SNMP_V1 { // default in library is v2c
C.gnet_snmp_set_version(session, 0)
}
C.gnet_snmp_set_timeout(session, (_Ctype_guint)(params.Timeout))
C.gnet_snmp_set_retries(session, (_Ctype_guint)(params.Timeout))
return session, nil
}