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.

This commit is contained in:
skarg
2006-01-14 23:48:03 +00:00
parent 3be3fdaeef
commit 0ea1bf30bf
16 changed files with 1028 additions and 27 deletions
+13 -2
View File
@@ -10,7 +10,7 @@ BASEDIR = .
#DEFINES = -DBACFILE=1 -DBACDL_ARCNET=1
#DEFINES = -DBACFILE=1 -DBACDL_MSTP=1
DEFINES = -DBACFILE=1 -DBACDL_BIP=1
INCLUDES = -I. -Iports/linux -Idemo/object
INCLUDES = -I. -Iports/linux -Idemo/object -Idemo/handler
CFLAGS = -Wall -g $(INCLUDES) $(DEFINES)
@@ -20,7 +20,18 @@ SRCS = ports/linux/main.c \
ports/linux/bip-init.c \
bip.c \
dlmstp.c \
handlers.c \
demo/handler/txbuf.c \
demo/handler/noserv.c \
demo/handler/h_whois.c \
demo/handler/h_rp.c \
demo/handler/h_wp.c \
demo/handler/h_iam.c \
demo/handler/h_rp_a.c \
demo/handler/h_arf.c \
demo/handler/h_arf_a.c \
demo/handler/s_rp.c \
demo/handler/s_whois.c \
demo/handler/s_wp.c \
bacdcode.c \
bacapp.c \
bacprop.c \
+8 -8
View File
@@ -121,18 +121,18 @@ int decode_character_string(uint8_t * apdu, uint32_t len_value,
// from clause 20.2.4 Encoding of an Unsigned Integer Value
// and 20.2.1 General Rules for Encoding BACnet Tags
// returns the number of apdu bytes consumed
int encode_bacnet_unsigned(uint8_t * apdu, unsigned int value);
int encode_context_unsigned(uint8_t * apdu, int tag_number, int value);
int encode_tagged_unsigned(uint8_t * apdu, unsigned int value);
int decode_unsigned(uint8_t * apdu, uint32_t len_value, unsigned int *value);
int encode_bacnet_unsigned(uint8_t * apdu, uint32_t value);
int encode_context_unsigned(uint8_t * apdu, int tag_number, uint32_t value);
int encode_tagged_unsigned(uint8_t * apdu, uint32_t value);
int decode_unsigned(uint8_t * apdu, uint32_t len_value, uint32_t *value);
// from clause 20.2.5 Encoding of a Signed Integer Value
// and 20.2.1 General Rules for Encoding BACnet Tags
// returns the number of apdu bytes consumed
int encode_bacnet_signed(uint8_t * apdu, int value);
int encode_tagged_signed(uint8_t * apdu, int value);
int encode_context_signed(uint8_t * apdu, int tag_number, int value);
int decode_signed(uint8_t * apdu, uint32_t len_value, int *value);
int encode_bacnet_signed(uint8_t * apdu, int32_t value);
int encode_tagged_signed(uint8_t * apdu, int32_t value);
int encode_context_signed(uint8_t * apdu, int tag_number, int32_t value);
int decode_signed(uint8_t * apdu, uint32_t len_value, int32_t *value);
// from clause 20.2.11 Encoding of an Enumerated Value
// and 20.2.1 General Rules for Encoding BACnet Tags
+65
View File
@@ -0,0 +1,65 @@
/**************************************************************************
*
* 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.
*
*********************************************************************/
#ifndef CLIENT_H
#define CLIENT_H
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include "bacdef.h"
#include "apdu.h"
#include "bacapp.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* FIXME: probably should return the invoke ID for confirmed request */
bool Send_Read_Property_Request(
uint32_t device_id, /* destination device */
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance,
BACNET_PROPERTY_ID object_property,
int32_t array_index);
void Send_WhoIs(
int32_t low_limit,
int32_t high_limit);
/* FIXME: probably should return the invoke ID for confirmed request */
bool Send_Write_Property_Request(
uint32_t device_id, // destination device
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance,
BACNET_PROPERTY_ID object_property,
BACNET_APPLICATION_DATA_VALUE object_value,
uint8_t priority,
int32_t array_index);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif
+158
View File
@@ -0,0 +1,158 @@
/**************************************************************************
*
* 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 "rp.h"
/* demo objects */
#include "device.h"
#include "ai.h"
#include "ao.h"
#if BACFILE
#include "bacfile.h"
#endif
void handler_atomic_read_file(
uint8_t *service_request,
uint16_t service_len,
BACNET_ADDRESS *src,
BACNET_CONFIRMED_SERVICE_DATA *service_data)
{
BACNET_ATOMIC_READ_FILE_DATA data;
int len = 0;
int pdu_len = 0;
BACNET_ADDRESS my_address;
bool send = false;
bool error = false;
int bytes_sent = 0;
BACNET_ERROR_CLASS error_class = ERROR_CLASS_OBJECT;
BACNET_ERROR_CODE error_code = ERROR_CODE_UNKNOWN_OBJECT;
fprintf(stderr,"Received Atomic-Read-File Request!\n");
len = arf_decode_service_request(
service_request,
service_len,
&data);
if (len < 0)
fprintf(stderr,"Unable to decode Atomic-Read-File 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 - send an abort
if (len < 0)
{
pdu_len += abort_encode_apdu(
&Handler_Transmit_Buffer[pdu_len],
service_data->invoke_id,
ABORT_REASON_OTHER);
fprintf(stderr,"Sending Abort!\n");
send = true;
}
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");
send = true;
}
else
{
if (data.access == FILE_STREAM_ACCESS)
{
if (data.type.stream.requestedOctetCount <
octetstring_capacity(&data.fileData))
{
if (bacfile_read_data(&data))
{
pdu_len += arf_ack_encode_apdu(
&Handler_Transmit_Buffer[pdu_len],
service_data->invoke_id,
&data);
send = true;
}
else
{
send = true;
error = true;
}
}
else
{
pdu_len += abort_encode_apdu(
&Handler_Transmit_Buffer[pdu_len],
service_data->invoke_id,
ABORT_REASON_SEGMENTATION_NOT_SUPPORTED);
fprintf(stderr,"Sending Abort!\n");
send = true;
}
}
else
{
error_class = ERROR_CLASS_SERVICES;
error_code = ERROR_CODE_INVALID_FILE_ACCESS_METHOD;
send = true;
error = true;
}
}
if (error)
{
pdu_len += bacerror_encode_apdu(
&Handler_Transmit_Buffer[pdu_len],
service_data->invoke_id,
SERVICE_CONFIRMED_ATOMIC_READ_FILE,
error_class,
error_code);
fprintf(stderr,"Sending Error!\n");
send = true;
}
if (send)
{
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;
}
+100
View File
@@ -0,0 +1,100 @@
/**************************************************************************
*
* 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 "config.h"
#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 "arf.h"
#include "bacfile.h"
/* some demo stuff needed */
#include "handlers.h"
#include "txbuf.h"
// We performed an AtomicReadFile Request,
// and here is the data from the server
// Note: it does not have to be the same file=instance
// that someone can read from us. It is common to
// use the description as the file name.
#if BACFILE
void handler_atomic_read_file_ack(
uint8_t *service_request,
uint16_t service_len,
BACNET_ADDRESS *src,
BACNET_CONFIRMED_SERVICE_ACK_DATA *service_data)
{
int len = 0;
BACNET_ATOMIC_READ_FILE_DATA data;
FILE *pFile = NULL;
char *pFilename = NULL;
uint32_t instance = 0;
(void)src;
// get the file instance from the tsm data before freeing it
instance = bacfile_instance_from_tsm(service_data->invoke_id);
len = arf_ack_decode_service_request(
service_request,
service_len,
&data);
fprintf(stderr,"Received Read-File Ack!\n");
if ((len > 0) && (instance <= BACNET_MAX_INSTANCE))
{
// write the data received to the file specified
if (data.access == FILE_STREAM_ACCESS)
{
pFilename = bacfile_name(instance);
if (pFilename)
{
pFile = fopen(pFilename, "rb");
if (pFile)
{
(void)fseek(pFile,
data.type.stream.fileStartPosition,
SEEK_SET);
if (fwrite(octetstring_value(&data.fileData),
octetstring_length(&data.fileData),1,pFile) != 1)
fprintf(stderr,"Failed to write to %s (%u)!\n",
pFilename, instance);
fclose(pFile);
}
}
}
else if (data.access == FILE_RECORD_ACCESS)
{
// FIXME: add handling for Record Access
}
}
}
#endif
+2
View File
@@ -28,6 +28,8 @@
#include "txbuf.h"
#include "bacdef.h"
#include "bacdcode.h"
#include "iam.h"
#include "address.h"
void handler_i_am(
uint8_t *service_request,
+81
View File
@@ -0,0 +1,81 @@
/**************************************************************************
*
* 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 "config.h"
#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 "bactext.h"
#include "rp.h"
/* some demo stuff needed */
#include "handlers.h"
#include "txbuf.h"
/* for debugging... */
static void PrintReadPropertyData(BACNET_READ_PROPERTY_DATA *data)
{
if (data)
{
if (data->array_index == BACNET_ARRAY_ALL)
fprintf(stderr,"%s #%u %s\n",
bactext_object_type_name(data->object_type),
data->object_instance,
bactext_property_name(data->object_property));
else
fprintf(stderr,"%s #%u %s[%d]\n",
bactext_object_type_name(data->object_type),
data->object_instance,
bactext_property_name(data->object_property),
data->array_index);
}
}
void handler_read_property_ack(
uint8_t *service_request,
uint16_t service_len,
BACNET_ADDRESS *src,
BACNET_CONFIRMED_SERVICE_ACK_DATA *service_data)
{
int len = 0;
BACNET_READ_PROPERTY_DATA data;
(void)src;
(void)service_data; /* we could use these... */
len = rp_ack_decode_service_request(
service_request,
service_len,
&data);
fprintf(stderr,"Received Read-Property Ack!\n");
if (len > 0)
PrintReadPropertyData(&data);
}
+176
View File
@@ -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;
}
+25
View File
@@ -56,6 +56,31 @@ void handler_read_property(
BACNET_ADDRESS *src,
BACNET_CONFIRMED_SERVICE_DATA *service_data);
void handler_read_property_ack(
uint8_t *service_request,
uint16_t service_len,
BACNET_ADDRESS *src,
BACNET_CONFIRMED_SERVICE_ACK_DATA *service_data);
void handler_write_property(
uint8_t *service_request,
uint16_t service_len,
BACNET_ADDRESS *src,
BACNET_CONFIRMED_SERVICE_DATA *service_data);
void handler_atomic_read_file(
uint8_t *service_request,
uint16_t service_len,
BACNET_ADDRESS *src,
BACNET_CONFIRMED_SERVICE_DATA *service_data);
void handler_atomic_read_file_ack(
uint8_t *service_request,
uint16_t service_len,
BACNET_ADDRESS *src,
BACNET_CONFIRMED_SERVICE_ACK_DATA *service_data);
#ifdef __cplusplus
}
#endif /* __cplusplus */
+113
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@@ -0,0 +1,113 @@
/**************************************************************************
*
* 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 "config.h"
#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 "rp.h"
/* some demo stuff needed */
#include "handlers.h"
#include "txbuf.h"
/* returns false if device is not bound or no tsm available */
bool Send_Read_Property_Request(
uint32_t device_id, /* destination device */
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance,
BACNET_PROPERTY_ID object_property,
int32_t array_index)
{
BACNET_ADDRESS dest;
BACNET_ADDRESS my_address;
unsigned max_apdu = 0;
uint8_t invoke_id = 0;
bool status = false;
int pdu_len = 0;
int bytes_sent = 0;
BACNET_READ_PROPERTY_DATA data;
/* is the device bound? */
status = address_get_by_device(device_id, &max_apdu, &dest);
/* is there a tsm available? */
if (status)
status = tsm_transaction_available();
if (status)
{
datalink_get_my_address(&my_address);
pdu_len = npdu_encode_apdu(
&Handler_Transmit_Buffer[0],
&dest,
&my_address,
true, // true for confirmed messages
MESSAGE_PRIORITY_NORMAL);
invoke_id = tsm_next_free_invokeID();
// load the data for the encoding
data.object_type = object_type;
data.object_instance = object_instance;
data.object_property = object_property;
data.array_index = array_index;
pdu_len += rp_encode_apdu(
&Handler_Transmit_Buffer[pdu_len],
invoke_id,
&data);
/* will it fit in the sender?
note: if there is a bottleneck router in between
us and the destination, we won't know unless
we have a way to check for that and update the
max_apdu in the address binding table. */
if ((unsigned)pdu_len < max_apdu)
{
tsm_set_confirmed_unsegmented_transaction(
invoke_id,
&dest,
&Handler_Transmit_Buffer[0],
pdu_len);
bytes_sent = datalink_send_pdu(
&dest, // destination address
&Handler_Transmit_Buffer[0],
pdu_len); // number of bytes of data
if (bytes_sent > 0)
fprintf(stderr,"Sent ReadProperty Request!\n");
else
fprintf(stderr,"Failed to Send ReadProperty Request (%s)!\n",
strerror(errno));
}
else
fprintf(stderr,"Failed to Send ReadProperty Request "
"(exceeds destination maximum APDU)!\n");
}
return status;
}
+77
View File
@@ -0,0 +1,77 @@
/**************************************************************************
*
* 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 "config.h"
#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 "whois.h"
/* some demo stuff needed */
#include "handlers.h"
#include "txbuf.h"
/* find a specific device, or use -1 for limit if you want unlimited */
void Send_WhoIs(
int32_t low_limit,
int32_t high_limit)
{
int pdu_len = 0;
BACNET_ADDRESS dest;
int bytes_sent = 0;
// Who-Is is a global broadcast
datalink_get_broadcast_address(&dest);
// encode the NPDU portion of the packet
pdu_len = npdu_encode_apdu(
&Handler_Transmit_Buffer[0],
&dest,
NULL,
false, // true for confirmed messages
MESSAGE_PRIORITY_NORMAL);
// encode the APDU portion of the packet
pdu_len += whois_encode_apdu(
&Handler_Transmit_Buffer[pdu_len],
low_limit,
high_limit);
bytes_sent = datalink_send_pdu(
&dest, // destination address
&Handler_Transmit_Buffer[0],
pdu_len); // number of bytes of data
if (bytes_sent > 0)
fprintf(stderr,"Sent Who-Is Request!\n");
else
fprintf(stderr,"Failed to Send Who-Is Request (%s)!\n", strerror(errno));
}
+118
View File
@@ -0,0 +1,118 @@
/**************************************************************************
*
* 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 "config.h"
#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 "whois.h"
/* some demo stuff needed */
#include "handlers.h"
#include "txbuf.h"
/* FIXME: probably should return the invoke ID for confirmed request */
bool Send_Write_Property_Request(
uint32_t device_id, // destination device
BACNET_OBJECT_TYPE object_type,
uint32_t object_instance,
BACNET_PROPERTY_ID object_property,
BACNET_APPLICATION_DATA_VALUE object_value,
uint8_t priority,
int32_t array_index)
{
BACNET_ADDRESS dest;
BACNET_ADDRESS my_address;
unsigned max_apdu = 0;
uint8_t invoke_id = 0;
bool status = false;
int pdu_len = 0;
int bytes_sent = 0;
BACNET_WRITE_PROPERTY_DATA data;
/* is the device bound? */
status = address_get_by_device(device_id, &max_apdu, &dest);
/* is there a tsm available? */
if (status)
status = tsm_transaction_available();
if (status)
{
datalink_get_my_address(&my_address);
pdu_len = npdu_encode_apdu(
&Handler_Transmit_Buffer[0],
&dest,
&my_address,
true, // true for confirmed messages
MESSAGE_PRIORITY_NORMAL);
invoke_id = tsm_next_free_invokeID();
// load the data for the encoding
data.object_type = object_type;
data.object_instance = object_instance;
data.object_property = object_property;
data.array_index = array_index;
data.value = object_value;
data.priority = priority;
pdu_len += wp_encode_apdu(
&Handler_Transmit_Buffer[pdu_len],
invoke_id,
&data);
/* will it fit in the sender?
note: if there is a bottleneck router in between
us and the destination, we won't know unless
we have a way to check for that and update the
max_apdu in the address binding table. */
if ((unsigned)pdu_len < max_apdu)
{
tsm_set_confirmed_unsegmented_transaction(
invoke_id,
&dest,
&Handler_Transmit_Buffer[0],
pdu_len);
bytes_sent = datalink_send_pdu(
&dest, // destination address
&Handler_Transmit_Buffer[0],
pdu_len); // number of bytes of data
if (bytes_sent > 0)
fprintf(stderr,"Sent ReadProperty Request!\n");
else
fprintf(stderr,"Failed to Send WriteProperty Request (%s)!\n",
strerror(errno));
}
else
fprintf(stderr,"Failed to Send WriteProperty Request "
"(exceeds destination maximum APDU)!\n");
}
return status;
}
+1 -1
View File
@@ -32,4 +32,4 @@
extern uint8_t Handler_Transmit_Buffer[MAX_MPDU];
#endif
#endif
+8 -7
View File
@@ -24,11 +24,9 @@
*********************************************************************/
/* READFILE: command line tool that reads a file from a BACnet device. */
#include <winsock2.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <conio.h> /* for kbhit and getch */
#include <time.h> /* for time */
#include "bactext.h"
#include "iam.h"
@@ -58,6 +56,8 @@ static bool End_Of_File_Detected = false;
static bool Error_Detected = false;
static uint8_t Current_Invoke_ID = 0;
#define MIN(X,Y) ((X) < (Y) ? : (X) : (Y))
static void Atomic_Read_File_Error_Handler(
BACNET_ADDRESS *src,
uint8_t invoke_id,
@@ -325,7 +325,6 @@ int main(int argc, char *argv[])
uint16_t pdu_len = 0;
unsigned timeout = 100; // milliseconds
unsigned max_apdu = 0;
bool status = false;
time_t elapsed_seconds = 0;
time_t last_seconds = 0;
time_t current_seconds = 0;
@@ -334,6 +333,7 @@ int main(int argc, char *argv[])
unsigned requestedOctetCount = 0;
uint8_t invoke_id = 0;
bool found = false;
uint16_t my_max_apdu = 0;
if (argc < 4)
{
@@ -415,7 +415,11 @@ int main(int argc, char *argv[])
and remove the overhead of the APDU (about 14 octets max).
note: we could fail if there is a bottle neck (router)
and smaller MPDU in betweeen. */
requestedOctetCount = min(max_apdu,MAX_APDU) - 14;
if (max_apdu < MAX_APDU)
my_max_apdu = max_apdu;
else
my_max_apdu = MAX_APDU;
requestedOctetCount = my_max_apdu - 14;
/* has the previous invoke id expired or returned?
note: invoke ID = 0 is invalid, so it will be idle */
if ((invoke_id == 0) || tsm_invoke_id_free(invoke_id))
@@ -440,9 +444,6 @@ int main(int argc, char *argv[])
break;
}
}
/* wait for ESC from keyboard before quitting */
if (kbhit() && (getch() == 0x1B))
break;
/* keep track of time for next check */
last_seconds = current_seconds;
}
+12 -9
View File
@@ -32,6 +32,7 @@
#include "address.h"
#include "bacdef.h"
#include "handlers.h"
#include "client.h"
#include "bacdcode.h"
#include "npdu.h"
#include "apdu.h"
@@ -41,8 +42,10 @@
#include "bacfile.h"
#include "datalink.h"
#include "net.h"
#include "txbuf.h"
// This is an example application using the BACnet Stack on Linux
bool Who_Is_Request = true;
// buffers used for receiving
static uint8_t Rx_Buf[MAX_MPDU] = {0};
@@ -175,7 +178,7 @@ static void Init_Service_Handlers(void)
// we need to handle who-is to support dynamic device binding
apdu_set_unconfirmed_handler(
SERVICE_UNCONFIRMED_WHO_IS,
WhoIsHandler);
handler_who_is);
apdu_set_unconfirmed_handler(
SERVICE_UNCONFIRMED_I_AM,
LocalIAmHandler);
@@ -183,25 +186,25 @@ static void Init_Service_Handlers(void)
// set the handler for all the services we don't implement
// It is required to send the proper reject message...
apdu_set_unrecognized_service_handler_handler(
UnrecognizedServiceHandler);
handler_unrecognized_service);
// Set the handlers for any confirmed services that we support.
// We must implement read property - it's required!
apdu_set_confirmed_handler(
SERVICE_CONFIRMED_READ_PROPERTY,
ReadPropertyHandler);
handler_read_property);
apdu_set_confirmed_handler(
SERVICE_CONFIRMED_WRITE_PROPERTY,
WritePropertyHandler);
handler_write_property);
apdu_set_confirmed_handler(
SERVICE_CONFIRMED_ATOMIC_READ_FILE,
AtomicReadFileHandler);
handler_atomic_read_file);
// handle the data coming back from confirmed requests
apdu_set_confirmed_ack_handler(
SERVICE_CONFIRMED_READ_PROPERTY,
ReadPropertyAckHandler);
handler_read_property_ack);
apdu_set_confirmed_ack_handler(
SERVICE_CONFIRMED_ATOMIC_READ_FILE,
AtomicReadFileAckHandler);
handler_atomic_read_file_ack);
}
static void print_address_cache(void)
@@ -308,11 +311,11 @@ int main(int argc, char *argv[])
if (I_Am_Request)
{
I_Am_Request = false;
Send_IAm();
iam_send(&Handler_Transmit_Buffer[0]);
} else if (Who_Is_Request)
{
Who_Is_Request = false;
Send_WhoIs();
Send_WhoIs(-1,-1);
}
// output
// some round robin task switching
+71
View File
@@ -0,0 +1,71 @@
#Makefile to build BACnet Application for the Linux Port
CC = gcc
BASEDIR = .
#CFLAGS = -Wall -I.
# -g for debugging with gdb
#CFLAGS = -Wall -I. -O2 -g
# Note: you can strip out symbols using the strip command
# to get an idea of how big the compile really is.
#DEFINES = -DBACFILE=1 -DBACDL_ETHERNET=1
#DEFINES = -DBACFILE=1 -DBACDL_ARCNET=1
#DEFINES = -DBACFILE=1 -DBACDL_MSTP=1
DEFINES = -DBACFILE=1 -DBACDL_BIP=1
INCLUDES = -I. -Iports/linux -Idemo/object -Idemo/handler
CFLAGS = -Wall -g $(INCLUDES) $(DEFINES)
TARGET = readfile
SRCS = demo/readfile/readfile.c \
ports/linux/ethernet.c \
ports/linux/arcnet.c \
ports/linux/bip-init.c \
bip.c \
dlmstp.c \
demo/handler/txbuf.c \
demo/handler/noserv.c \
demo/handler/h_whois.c \
demo/handler/h_rp.c \
rp.c \
bacdcode.c \
bacapp.c \
bacprop.c \
bacstr.c \
bactext.c \
indtext.c \
bigend.c \
whois.c \
iam.c \
tsm.c \
datalink.c \
address.c \
demo/object/device.c \
demo/object/ai.c \
demo/object/ao.c \
demo/object/bacfile.c \
arf.c \
abort.c \
reject.c \
bacerror.c \
apdu.c \
npdu.c
OBJS = ${SRCS:.c=.o}
all: ${TARGET}
${TARGET}: ${OBJS}
${CC} -o $@ ${OBJS}
.c.o:
${CC} -c ${CFLAGS} $*.c -o $@
depend:
rm -f .depend
${CC} -MM ${CFLAGS} *.c >> .depend
clean:
rm -rf core ${TARGET} $(OBJS) *.bak ports/linux/*.bak *.1 *.ini
include: .depend