refactored handlers.c into a bunch of little individual files in the demo/handler/ directory. Handlers begin with h_, and Send files begin with s_. The Send files are prototyped in client.h.

2006-01-14 23:48:03 +00:00
parent 3be3fdaeef
commit 0ea1bf30bf
16 changed files with 1028 additions and 27 deletions
@@ -0,0 +1,176 @@
+/**************************************************************************
+*
+* 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 "apdu.h"
+#include "npdu.h"
+#include "abort.h"
+#include "wp.h"
+/* demo objects */
+#include "device.h"
+#include "ai.h"
+#include "ao.h"
+#if BACFILE
+#include "bacfile.h"
+#endif
+
+static uint8_t Temp_Buf[MAX_APDU] = {0};
+
+void handler_write_property(
+  uint8_t *service_request,
+  uint16_t service_len,
+  BACNET_ADDRESS *src,
+  BACNET_CONFIRMED_SERVICE_DATA *service_data)
+{
+  BACNET_WRITE_PROPERTY_DATA wp_data;
+  int len = 0;
+  int pdu_len = 0;
+  BACNET_ADDRESS my_address;
+  BACNET_ERROR_CLASS error_class = ERROR_CLASS_OBJECT;
+  BACNET_ERROR_CODE error_code = ERROR_CODE_UNKNOWN_OBJECT;
+  int bytes_sent = 0;
+
+  // decode the service request only
+  len = wp_decode_service_request(
+    service_request,
+    service_len,
+    &wp_data);
+  fprintf(stderr,"Received Write-Property Request!\n");
+  if (len > 0)
+    fprintf(stderr,"type=%u instance=%u property=%u index=%d\n",
+      wp_data.object_type,
+      wp_data.object_instance,
+      wp_data.object_property,
+      wp_data.array_index);
+  else
+    fprintf(stderr,"Unable to decode Write-Property Request!\n");
+  // prepare a reply
+  datalink_get_my_address(&my_address);
+  // encode the NPDU portion of the packet
+  pdu_len = npdu_encode_apdu(
+    &Handler_Transmit_Buffer[0],
+    src,
+    &my_address,
+    false,  // true for confirmed messages
+    MESSAGE_PRIORITY_NORMAL);
+  // bad decoding or something we didn't understand - send an abort
+  if (len == -1)
+  {
+    pdu_len += abort_encode_apdu(
+      &Handler_Transmit_Buffer[pdu_len],
+      service_data->invoke_id,
+      ABORT_REASON_OTHER);
+    fprintf(stderr,"Sending Abort!\n");
+  }
+  else if (service_data->segmented_message)
+  {
+    pdu_len += abort_encode_apdu(
+      &Handler_Transmit_Buffer[pdu_len],
+      service_data->invoke_id,
+      ABORT_REASON_SEGMENTATION_NOT_SUPPORTED);
+    fprintf(stderr,"Sending Abort!\n");
+  }
+  else
+  {
+    switch (wp_data.object_type)
+    {
+      case OBJECT_DEVICE:
+        if (Device_Write_Property(&wp_data,&error_class,&error_code))
+        {
+          pdu_len += encode_simple_ack(
+            &Handler_Transmit_Buffer[pdu_len],
+            service_data->invoke_id,
+            SERVICE_CONFIRMED_WRITE_PROPERTY);
+          fprintf(stderr,"Sending Write Property Simple Ack!\n");
+        }
+        else
+        {
+          pdu_len += bacerror_encode_apdu(
+            &Handler_Transmit_Buffer[pdu_len],
+            service_data->invoke_id,
+            SERVICE_CONFIRMED_WRITE_PROPERTY,
+            error_class,
+            error_code);
+          fprintf(stderr,"Sending Write Property Error!\n");
+        }
+        break;
+      case OBJECT_ANALOG_INPUT:
+        error_class = ERROR_CLASS_PROPERTY;
+        error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
+        pdu_len += bacerror_encode_apdu(
+          &Handler_Transmit_Buffer[pdu_len],
+          service_data->invoke_id,
+          SERVICE_CONFIRMED_WRITE_PROPERTY,
+          error_class,
+          error_code);
+        fprintf(stderr,"Sending Write Access Error!\n");
+        break;
+      case OBJECT_ANALOG_OUTPUT:
+        if (Analog_Output_Write_Property(&wp_data,&error_class,&error_code))
+        {
+          pdu_len += encode_simple_ack(
+            &Handler_Transmit_Buffer[pdu_len],
+            service_data->invoke_id,
+            SERVICE_CONFIRMED_WRITE_PROPERTY);
+          fprintf(stderr,"Sending Write Property Simple Ack!\n");
+        }
+        else
+        {
+          pdu_len += bacerror_encode_apdu(
+            &Handler_Transmit_Buffer[pdu_len],
+            service_data->invoke_id,
+            SERVICE_CONFIRMED_WRITE_PROPERTY,
+            error_class,
+            error_code);
+          fprintf(stderr,"Sending Write Access Error!\n");
+  }
+        break;
+      default:
+        pdu_len += bacerror_encode_apdu(
+          &Handler_Transmit_Buffer[pdu_len],
+          service_data->invoke_id,
+          SERVICE_CONFIRMED_WRITE_PROPERTY,
+          error_class,
+          error_code);
+        fprintf(stderr,"Sending Unknown Object Error!\n");
+        break;
+    }
+  }
+  bytes_sent = datalink_send_pdu(
+    src,  // destination address
+    &Handler_Transmit_Buffer[0],
+    pdu_len); // number of bytes of data
+  if (bytes_sent <= 0)
+    fprintf(stderr,"Failed to send PDU (%s)!\n", strerror(errno));
+
+  return;
+}