/************************************************************************** * * Copyright (C) 2006 Steve Karg * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * *********************************************************************/ #include #include #include #include #include "config.h" #include "txbuf.h" #include "bacdef.h" #include "bacdcode.h" #include "address.h" #include "tsm.h" #include "npdu.h" #include "apdu.h" #include "device.h" #include "datalink.h" #include "dcc.h" #include "ihave.h" /* some demo stuff needed */ #include "handlers.h" #include "txbuf.h" #include "client.h" /** @file s_ihave.c Send an I-Have (property) message. */ /** Broadcast an I Have message. * @ingroup DMDOB * * @param device_id [in] My device ID. * @param object_type [in] The BACNET_OBJECT_TYPE that I Have. * @param object_instance [in] The Object ID that I Have. * @param object_name [in] The Name of the Object I Have. */ void Send_I_Have( uint32_t device_id, BACNET_OBJECT_TYPE object_type, uint32_t object_instance, BACNET_CHARACTER_STRING * object_name) { int len = 0; int pdu_len = 0; BACNET_ADDRESS dest; int bytes_sent = 0; BACNET_I_HAVE_DATA data; BACNET_NPDU_DATA npdu_data; BACNET_ADDRESS my_address; datalink_get_my_address(&my_address); /* if we are forbidden to send, don't send! */ if (!dcc_communication_enabled()) return; /* Who-Has is a global broadcast */ datalink_get_broadcast_address(&dest); /* encode the NPDU portion of the packet */ npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL); pdu_len = npdu_encode_pdu(&Handler_Transmit_Buffer[0], &dest, &my_address, &npdu_data); /* encode the APDU portion of the packet */ data.device_id.type = OBJECT_DEVICE; data.device_id.instance = device_id; data.object_id.type = object_type; data.object_id.instance = object_instance; characterstring_copy(&data.object_name, object_name); len = ihave_encode_apdu(&Handler_Transmit_Buffer[pdu_len], &data); pdu_len += len; /* send the data */ bytes_sent = datalink_send_pdu(&dest, &npdu_data, &Handler_Transmit_Buffer[0], pdu_len); if (bytes_sent <= 0) { #if PRINT_ENABLED fprintf(stderr, "Failed to Send I-Have Reply (%s)!\n", strerror(errno)); #endif } }