adjust root folder

2019-10-08 23:47:53 -05:00
parent b6fc50ddea
commit a42e8f507c
1258 changed files with 26 additions and 214 deletions
@@ -0,0 +1,93 @@
+/**************************************************************************
+*
+* Copyright (C) 2005 Steve Karg <skarg@users.sourceforge.net>
+*
+* 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 <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include "config.h"
+#include "txbuf.h"
+#include "bacdef.h"
+#include "bacdcode.h"
+#include "whois.h"
+#include "iam.h"
+#include "device.h"
+#include "client.h"
+#include "txbuf.h"
+
+bool Send_I_Am_Flag = true;
+
+void sendIamUnicast(uint8_t * buffer,
+    BACNET_ADDRESS * src)
+{
+    BACNET_ADDRESS dest;
+    int pdu_len = 0;
+    BACNET_NPDU_DATA npdu_data;
+
+    /* encode the data */
+    int npdu_len = 0;
+    int apdu_len = 0;
+    BACNET_ADDRESS my_address;
+    /* The destination will be the same as the src, so copy it over. */
+    memcpy(&dest, src, sizeof(BACNET_ADDRESS));
+    /* dest->net = 0; - no, must direct back to src->net to meet BTL tests */
+
+    datalink_get_my_address(&my_address);
+    /* encode the NPDU portion of the packet */
+    npdu_encode_npdu_data(&npdu_data, false, MESSAGE_PRIORITY_NORMAL);
+    npdu_len = npdu_encode_pdu(&buffer[0], &dest, &my_address, &npdu_data);
+    /* encode the APDU portion of the packet */
+    apdu_len =
+        iam_encode_apdu(&buffer[npdu_len], Device_Object_Instance_Number(),
+        MAX_APDU, SEGMENTATION_NONE, Device_Vendor_Identifier());
+    /* send data */
+    pdu_len = npdu_len + apdu_len;
+    int bytes = datalink_send_pdu(&dest, &npdu_data, &buffer[0], pdu_len);
+}
+
+void handler_who_is(uint8_t * service_request,
+    uint16_t service_len,
+    BACNET_ADDRESS * src)
+{
+    int len = 0;
+    int32_t low_limit = 0;
+    int32_t high_limit = 0;
+    int32_t target_device;
+
+    len =
+        whois_decode_service_request(service_request, service_len, &low_limit,
+        &high_limit);
+    if (len == 0) {
+        sendIamUnicast(&Handler_Transmit_Buffer[0], src);
+    } else if (len != -1) {
+        /* is my device id within the limits? */
+        target_device = Device_Object_Instance_Number();
+        if (((target_device >= low_limit) && (target_device <= high_limit)) {
+            sendIamUnicast(&Handler_Transmit_Buffer[0], src);
+        }
+    }
+
+    return;
+}