diff --git a/bacnet-stack/demo/handler/h_iam.c b/bacnet-stack/demo/handler/h_iam.c new file mode 100644 index 00000000..0556bb7f --- /dev/null +++ b/bacnet-stack/demo/handler/h_iam.c @@ -0,0 +1,63 @@ +/************************************************************************** +* +* Copyright (C) 2005 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 "config.h" +#include "txbuf.h" +#include "bacdef.h" +#include "bacdcode.h" + +void handler_i_am( + uint8_t *service_request, + uint16_t service_len, + BACNET_ADDRESS *src) +{ + int len = 0; + uint32_t device_id = 0; + unsigned max_apdu = 0; + int segmentation = 0; + uint16_t vendor_id = 0; + + (void)src; + (void)service_len; + len = iam_decode_service_request( + service_request, + &device_id, + &max_apdu, + &segmentation, + &vendor_id); + fprintf(stderr,"Received I-Am Request"); + if (len != -1) + { + fprintf(stderr," from %u!\n",device_id); + address_add(device_id, + max_apdu, + src); + } + else + fprintf(stderr,"!\n"); + + return; +} diff --git a/bacnet-stack/demo/handler/h_rp.c b/bacnet-stack/demo/handler/h_rp.c new file mode 100644 index 00000000..96dedf41 --- /dev/null +++ b/bacnet-stack/demo/handler/h_rp.c @@ -0,0 +1,248 @@ +/************************************************************************** +* +* Copyright (C) 2005 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 +#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 + +static uint8_t Temp_Buf[MAX_APDU] = {0}; + +void handler_read_property( + uint8_t *service_request, + uint16_t service_len, + BACNET_ADDRESS *src, + BACNET_CONFIRMED_SERVICE_DATA *service_data) +{ + BACNET_READ_PROPERTY_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; + + len = rp_decode_service_request( + service_request, + service_len, + &data); + if (len <= 0) + fprintf(stderr,"Unable to decode Read-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 - 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"); + 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 + { + switch (data.object_type) + { + case OBJECT_DEVICE: + // FIXME: probably need a length limitation sent with encode + if (data.object_instance == Device_Object_Instance_Number()) + { + len = Device_Encode_Property_APDU( + &Temp_Buf[0], + data.object_property, + data.array_index, + &error_class, + &error_code); + if (len > 0) + { + // encode the APDU portion of the packet + data.application_data = &Temp_Buf[0]; + data.application_data_len = len; + // FIXME: probably need a length limitation sent with encode + pdu_len += rp_ack_encode_apdu( + &Handler_Transmit_Buffer[pdu_len], + service_data->invoke_id, + &data); + fprintf(stderr,"Sending Read Property Ack!\n"); + send = true; + } + else + error = true; + } + else + error = true; + break; + case OBJECT_ANALOG_INPUT: + if (Analog_Input_Valid_Instance(data.object_instance)) + { + len = Analog_Input_Encode_Property_APDU( + &Temp_Buf[0], + data.object_instance, + data.object_property, + data.array_index, + &error_class, + &error_code); + if (len > 0) + { + // encode the APDU portion of the packet + data.application_data = &Temp_Buf[0]; + data.application_data_len = len; + // FIXME: probably need a length limitation sent with encode + pdu_len += rp_ack_encode_apdu( + &Handler_Transmit_Buffer[pdu_len], + service_data->invoke_id, + &data); + fprintf(stderr,"Sending Read Property Ack!\n"); + send = true; + } + else + error = true; + } + else + error = true; + break; + case OBJECT_ANALOG_OUTPUT: + if (Analog_Output_Valid_Instance(data.object_instance)) + { + len = Analog_Output_Encode_Property_APDU( + &Temp_Buf[0], + data.object_instance, + data.object_property, + data.array_index, + &error_class, + &error_code); + if (len > 0) + { + // encode the APDU portion of the packet + data.application_data = &Temp_Buf[0]; + data.application_data_len = len; + // FIXME: probably need a length limitation sent with encode + pdu_len += rp_ack_encode_apdu( + &Handler_Transmit_Buffer[pdu_len], + service_data->invoke_id, + &data); + fprintf(stderr,"Sending Read Property Ack!\n"); + send = true; + } + else + error = true; + } + else + error = true; + break; + #if BACFILE + case OBJECT_FILE: + if (bacfile_valid_instance(data.object_instance)) + { + len = bacfile_encode_property_apdu( + &Temp_Buf[0], + data.object_instance, + data.object_property, + data.array_index, + &error_class, + &error_code); + if (len > 0) + { + // encode the APDU portion of the packet + data.application_data = &Temp_Buf[0]; + data.application_data_len = len; + // FIXME: probably need a length limitation sent with encode + pdu_len += rp_ack_encode_apdu( + &Handler_Transmit_Buffer[pdu_len], + service_data->invoke_id, + &data); + fprintf(stderr,"Sending Read Property Ack!\n"); + send = true; + } + else + error = true; + } + else + error = true; + break; + #endif + default: + error = true; + break; + } + } + if (error) + { + pdu_len += bacerror_encode_apdu( + &Handler_Transmit_Buffer[pdu_len], + service_data->invoke_id, + SERVICE_CONFIRMED_READ_PROPERTY, + error_class, + error_code); + fprintf(stderr,"Sending Read Property 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; +} + diff --git a/bacnet-stack/demo/handler/h_whois.c b/bacnet-stack/demo/handler/h_whois.c new file mode 100644 index 00000000..02357d18 --- /dev/null +++ b/bacnet-stack/demo/handler/h_whois.c @@ -0,0 +1,67 @@ +/************************************************************************** +* +* Copyright (C) 2005 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 +#include "config.h" +#include "txbuf.h" +#include "bacdef.h" +#include "bacdcode.h" +#include "whois.h" +#include "device.h" + +/* global flag to send an I-Am */ +bool I_Am_Request = true; + +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; + + (void)src; + len = whois_decode_service_request( + service_request, + service_len, + &low_limit, + &high_limit); + /* in our simple system, we just set a flag and let the main loop + send the I-Am request. */ + if (len == 0) + I_Am_Request = true; + else if (len != -1) + { + if ((Device_Object_Instance_Number() >= (uint32_t)low_limit) && + (Device_Object_Instance_Number() <= (uint32_t)high_limit)) + I_Am_Request = true; + } + + return; +} diff --git a/bacnet-stack/demo/handler/handlers.h b/bacnet-stack/demo/handler/handlers.h new file mode 100644 index 00000000..3f60e9a6 --- /dev/null +++ b/bacnet-stack/demo/handler/handlers.h @@ -0,0 +1,63 @@ +/************************************************************************** +* +* Copyright (C) 2005 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. +* +*********************************************************************/ +#ifndef HANDLERS_H +#define HANDLERS_H + +#include +#include +#include +#include "bacdef.h" +#include "apdu.h" +#include "bacapp.h" + +/* flag requesting main loop to send an I-Am */ +extern bool I_Am_Request; + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +void handler_unrecognized_service( + uint8_t *service_request, + uint16_t service_len, + BACNET_ADDRESS *dest, + BACNET_CONFIRMED_SERVICE_DATA *service_data); + +void handler_who_is( + uint8_t *service_request, + uint16_t service_len, + BACNET_ADDRESS *src); + +void handler_read_property( + uint8_t *service_request, + uint16_t service_len, + BACNET_ADDRESS *src, + BACNET_CONFIRMED_SERVICE_DATA *service_data); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif diff --git a/bacnet-stack/demo/handler/noserv.c b/bacnet-stack/demo/handler/noserv.c new file mode 100644 index 00000000..2fdc8427 --- /dev/null +++ b/bacnet-stack/demo/handler/noserv.c @@ -0,0 +1,73 @@ +/************************************************************************** +* +* Copyright (C) 2005 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 +#include "txbuf.h" +#include "bacdef.h" +#include "bacdcode.h" +#include "apdu.h" +#include "npdu.h" +#include "reject.h" + +void handler_unrecognized_service( + uint8_t *service_request, + uint16_t service_len, + BACNET_ADDRESS *dest, + BACNET_CONFIRMED_SERVICE_DATA *service_data) +{ + BACNET_ADDRESS src; + int pdu_len = 0; + int bytes_sent = 0; + + (void)service_request; + (void)service_len; + datalink_get_my_address(&src); + + // encode the NPDU portion of the packet + pdu_len = npdu_encode_apdu( + &Handler_Transmit_Buffer[0], + dest, + &src, + false, // true for confirmed messages + MESSAGE_PRIORITY_NORMAL); + + // encode the APDU portion of the packet + pdu_len += reject_encode_apdu( + &Handler_Transmit_Buffer[pdu_len], + service_data->invoke_id, + REJECT_REASON_UNRECOGNIZED_SERVICE); + + 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 Reject!\n"); + else + fprintf(stderr,"Failed to Send Reject (%s)!\n", strerror(errno)); +} diff --git a/bacnet-stack/demo/handler/txbuf.c b/bacnet-stack/demo/handler/txbuf.c new file mode 100644 index 00000000..1b60d630 --- /dev/null +++ b/bacnet-stack/demo/handler/txbuf.c @@ -0,0 +1,31 @@ +/************************************************************************** +* +* Copyright (C) 2005 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 "config.h" +#include "datalink.h" + +uint8_t Handler_Transmit_Buffer[MAX_MPDU] = {0}; + diff --git a/bacnet-stack/demo/handler/txbuf.h b/bacnet-stack/demo/handler/txbuf.h new file mode 100644 index 00000000..cdfe942a --- /dev/null +++ b/bacnet-stack/demo/handler/txbuf.h @@ -0,0 +1,35 @@ +/************************************************************************** +* +* Copyright (C) 2005 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. +* +*********************************************************************/ +#ifndef TXBUF_H +#define TXBUF_H + +#include +#include +#include "config.h" +#include "datalink.h" + +extern uint8_t Handler_Transmit_Buffer[MAX_MPDU]; + +#endif \ No newline at end of file diff --git a/bacnet-stack/demo/readfile/makefile.mak b/bacnet-stack/demo/readfile/makefile.mak new file mode 100644 index 00000000..9d65f9e8 --- /dev/null +++ b/bacnet-stack/demo/readfile/makefile.mak @@ -0,0 +1,137 @@ +# +# Simple makefile to build an executable for Win32 +# +# This makefile assumes Borland bcc32 development environment +# on Windows NT/9x/2000/XP +# + +!ifndef BORLAND_DIR +BORLAND_DIR_Not_Defined: + @echo . + @echo You must define environment variable BORLAND_DIR to compile. +!endif + +PRODUCT = readfile +PRODUCT_EXE = $(PRODUCT).exe + +# Choose the Data Link Layer to Enable +DEFINES = -DBACDL_BIP=1 + +SRCS = readfile.c \ + ..\..\ports\win32\bip-init.c \ + ..\..\bip.c \ + ..\..\demo\handler\txbuf.c \ + ..\..\demo\handler\noserv.c \ + ..\..\demo\handler\h_whois.c \ + ..\..\demo\handler\h_rp.c \ + ..\..\bacdcode.c \ + ..\..\bacapp.c \ + ..\..\bacstr.c \ + ..\..\bactext.c \ + ..\..\indtext.c \ + ..\..\bigend.c \ + ..\..\whois.c \ + ..\..\iam.c \ + ..\..\rp.c \ + ..\..\wp.c \ + ..\..\arf.c \ + ..\..\awf.c \ + ..\..\demo\object\bacfile.c \ + ..\..\demo\object\device.c \ + ..\..\demo\object\ai.c \ + ..\..\demo\object\ao.c \ + ..\..\datalink.c \ + ..\..\tsm.c \ + ..\..\address.c \ + ..\..\abort.c \ + ..\..\reject.c \ + ..\..\bacerror.c \ + ..\..\apdu.c \ + ..\..\npdu.c + +OBJS = $(SRCS:.c=.obj) + +# Compiler definitions +# +CC = $(BORLAND_DIR)\bin\bcc32 +bcc32.cfg +#LINK = $(BORLAND_DIR)\bin\tlink32 +LINK = $(BORLAND_DIR)\bin\ilink32 +TLIB = $(BORLAND_DIR)\bin\tlib + +# +# Include directories +# +CC_DIR = $(BORLAND_DIR)\BIN +INCL_DIRS = -I$(BORLAND_DIR)\include;..\..\;..\..\demo\object\;..\..\demo\handler\;..\..\ports\win32\;. + +CFLAGS = $(INCL_DIRS) $(CS_FLAGS) $(DEFINES) + +# Libraries +# +C_LIB_DIR = $(BORLAND_DIR)\lib + +LIBS = $(C_LIB_DIR)\IMPORT32.lib \ +$(C_LIB_DIR)\CW32MT.lib + +# +# Main target +# +# This should be the first one in the makefile + +all : bcc32.cfg $(PRODUCT_EXE) + +# Linker specific: the link below is for BCC linker/compiler. If you link +# with a different linker - please change accordingly. +# + +# need a temp response file (@&&) because command line is too long +$(PRODUCT_EXE) : $(OBJS) + @echo Running Linker for $(PRODUCT_EXE) + $(LINK) -L$(C_LIB_DIR) -m -c -s -v @&&| # temp response file, starts with | + $(BORLAND_DIR)\lib\c0x32.obj $** # $** lists each dependency + $< + $*.map + $(LIBS) +| # end of temp response file + +# +# Utilities + +clean : + @echo Deleting obj files, $(PRODUCT_EXE) and map files. + del *.obj + del ..\..\*.obj + del $(PRODUCT_EXE) + del *.map + del bcc32.cfg + +# +# Generic rules +# +.SUFFIXES: .cpp .c .sbr .obj + +# +# cc generic rule +# +.c.obj: + $(CC) -o$@ $< + +# Compiler configuration file +bcc32.cfg : + Copy &&| +$(CFLAGS) +-c +-y #include line numbers in OBJ's +-v #include debug info +-w+ #turn on all warnings +-Od #disable all optimizations +#-a4 #32 bit data alignment +#-M # generate link map +#-ls # linker options +#-WM- #not multithread +-WM #multithread +-w-aus # ignore warning assigned a value that is never used +-w-sig # ignore warning conversion may lose sig digits +| $@ + +# EOF: makefile diff --git a/bacnet-stack/demo/readfile/readfile.c b/bacnet-stack/demo/readfile/readfile.c new file mode 100644 index 00000000..52991f10 --- /dev/null +++ b/bacnet-stack/demo/readfile/readfile.c @@ -0,0 +1,451 @@ +/************************************************************************** +* +* 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. +* +*********************************************************************/ + +/* READFILE: command line tool that reads a file from a BACnet device. */ +#include +#include +#include +#include +#include /* for kbhit and getch */ +#include /* for time */ +#include "bactext.h" +#include "iam.h" +#include "arf.h" +#include "tsm.h" +#include "address.h" +#include "config.h" +#include "bacdef.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" + +// buffer used for receive +static uint8_t Rx_Buf[MAX_MPDU] = {0}; + +/* global variables used in this file */ +static uint32_t Target_File_Object_Instance = 4194303; +static uint32_t Target_Device_Object_Instance = 4194303; +static BACNET_ADDRESS Target_Address; +static char *Local_File_Name = NULL; +static bool End_Of_File_Detected = false; +static bool Error_Detected = false; +static uint8_t Current_Invoke_ID = 0; + +static void Atomic_Read_File_Error_Handler( + BACNET_ADDRESS *src, + uint8_t invoke_id, + BACNET_ERROR_CLASS error_class, + BACNET_ERROR_CODE error_code) +{ + /* FIXME: verify src and invoke id */ + (void)src; + (void)invoke_id; + printf("\r\nBACnet Error!\r\n"); + printf("Error Class: %s\r\n", + bactext_error_class_name(error_class)); + printf("Error Code: %s\r\n", + bactext_error_code_name(error_code)); + Error_Detected = true; +} + +void MyAbortHandler( + BACNET_ADDRESS *src, + uint8_t invoke_id, + uint8_t abort_reason) +{ + /* FIXME: verify src and invoke id */ + (void)src; + (void)invoke_id; + printf("\r\nBACnet Abort!\r\n"); + printf("Abort Reason: %s\r\n", + bactext_abort_reason_name(abort_reason)); + Error_Detected = true; +} + +void MyRejectHandler( + BACNET_ADDRESS *src, + uint8_t invoke_id, + uint8_t reject_reason) +{ + /* FIXME: verify src and invoke id */ + (void)src; + (void)invoke_id; + printf("\r\nBACnet Reject!\r\n"); + printf("Reject Reason: %s\r\n", + bactext_reject_reason_name(reject_reason)); + Error_Detected = true; +} + +static uint8_t Send_Atomic_Read_File_Stream( + uint32_t device_id, + uint32_t file_instance, + int fileStartPosition, + unsigned requestedOctetCount) +{ + 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_ATOMIC_READ_FILE_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_FILE; + data.object_instance = file_instance; + data.access = FILE_STREAM_ACCESS; + data.type.stream.fileStartPosition = fileStartPosition; + data.type.stream.requestedOctetCount = requestedOctetCount; + pdu_len += arf_encode_apdu( + &Handler_Transmit_Buffer[pdu_len], + invoke_id, + &data); + /* will the APDU fit the target device? + 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,"Failed to Send AtomicReadFile Request (%s)!\n", + strerror(errno)); + } + else + fprintf(stderr,"Failed to Send AtomicReadFile Request " + "(payload exceeds destination maximum APDU)!\n"); + } + + return invoke_id; +} + +static void Send_WhoIs(uint32_t device_id) +{ + 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], + device_id, + device_id); + + 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,"Failed to Send Who-Is Request (%s)!\n", strerror(errno)); +} + +static void AtomicReadFileAckHandler( + 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; /* stream pointer */ + size_t octets_written = 0; + + (void)src; /* FIXME: validate the source address matches */ + len = arf_ack_decode_service_request( + service_request, + service_len, + &data); + if (len > 0) + { + /* validate the parameters before storing data */ + if ((data.access == FILE_STREAM_ACCESS) && + (service_data->invoke_id == Current_Invoke_ID)) + { + if (data.type.stream.fileStartPosition == 0) + pFile = fopen(Local_File_Name, "wb"); + else + pFile = fopen(Local_File_Name, "rb+"); + if (pFile) + { + /* is there anything to do with this? data.stream.requestedOctetCount */ + (void)fseek(pFile, data.type.stream.fileStartPosition, SEEK_SET); + octets_written = fwrite( + octetstring_value(&data.fileData), + 1, /* unit to write in bytes - in our case, an octet is one byte */ + octetstring_length(&data.fileData), + pFile); + if (octets_written != octetstring_length(&data.fileData)) + fprintf(stderr,"Unable to write data to file \"%s\".\n", + Local_File_Name); + else + printf("\r%u bytes", + (data.type.stream.fileStartPosition + octets_written)); + fclose(pFile); + } + if (data.endOfFile) + { + End_Of_File_Detected = true; + printf("\r\n"); + } + } + } +} + +static void LocalIAmHandler( + uint8_t *service_request, + uint16_t service_len, + BACNET_ADDRESS *src) +{ + int len = 0; + uint32_t device_id = 0; + unsigned max_apdu = 0; + int segmentation = 0; + uint16_t vendor_id = 0; + + (void)src; + (void)service_len; + len = iam_decode_service_request( + service_request, + &device_id, + &max_apdu, + &segmentation, + &vendor_id); + if (len != -1) + { + address_add(device_id, + max_apdu, + src); + } + else + fprintf(stderr,"!\n"); + + return; +} + +static void Init_Service_Handlers(void) +{ + /* we need to handle who-is + to support dynamic device binding to us */ + apdu_set_unconfirmed_handler( + SERVICE_UNCONFIRMED_WHO_IS, + handler_who_is); + /* handle i-am to support binding to other devices */ + apdu_set_unconfirmed_handler( + SERVICE_UNCONFIRMED_I_AM, + LocalIAmHandler); + /* 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( + handler_unrecognized_service); + /* we must implement read property - it's required! */ + apdu_set_confirmed_handler( + SERVICE_CONFIRMED_READ_PROPERTY, + handler_read_property); + /* handle the data coming back from confirmed requests */ + apdu_set_confirmed_ack_handler( + SERVICE_CONFIRMED_ATOMIC_READ_FILE, + AtomicReadFileAckHandler); + /* handle any errors coming back */ + apdu_set_error_handler( + SERVICE_CONFIRMED_ATOMIC_READ_FILE, + Atomic_Read_File_Error_Handler); + apdu_set_abort_handler( + MyAbortHandler); + apdu_set_reject_handler( + MyRejectHandler); +} + +int main(int argc, char *argv[]) +{ + BACNET_ADDRESS src = {0}; // address where message came from + 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; + time_t timeout_seconds = 0; + int fileStartPosition = 0; + unsigned requestedOctetCount = 0; + uint8_t invoke_id = 0; + bool found = false; + + if (argc < 4) + { + /* FIXME: what about access method - record or stream? */ + printf("%s device-instance file-instance local-name\r\n",argv[0]); + return 0; + } + /* decode the command line parameters */ + Target_Device_Object_Instance = strtol(argv[1],NULL,0); + Target_File_Object_Instance = strtol(argv[2],NULL,0); + Local_File_Name = argv[3]; + if (Target_Device_Object_Instance >= BACNET_MAX_INSTANCE) + { + fprintf(stderr,"device-instance=%u - it must be less than %u\r\n", + Target_Device_Object_Instance,BACNET_MAX_INSTANCE); + return 1; + } + if (Target_File_Object_Instance >= BACNET_MAX_INSTANCE) + { + fprintf(stderr,"file-instance=%u - it must be less than %u\r\n", + Target_File_Object_Instance,BACNET_MAX_INSTANCE+1); + return 1; + } + /* setup my info */ + Device_Set_Object_Instance_Number(BACNET_MAX_INSTANCE); + address_init(); + Init_Service_Handlers(); + /* configure standard BACnet/IP port */ + bip_set_port(0xBAC0); + if (!bip_init()) + return 1; + /* configure the timeout values */ + last_seconds = time(NULL); + timeout_seconds = (Device_APDU_Timeout() / 1000) * + Device_Number_Of_APDU_Retries(); + /* try to bind with the device */ + Send_WhoIs(Target_Device_Object_Instance); + /* loop forever */ + for (;;) + { + /* increment timer - exit if timed out */ + current_seconds = time(NULL); + + /* returns 0 bytes on timeout */ + pdu_len = bip_receive( + &src, + &Rx_Buf[0], + MAX_MPDU, + timeout); + + /* process */ + if (pdu_len) + { + npdu_handler( + &src, + &Rx_Buf[0], + pdu_len); + } + /* at least one second has passed */ + if (current_seconds != last_seconds) + tsm_timer_milliseconds(((current_seconds - last_seconds) * 1000)); + if (End_Of_File_Detected || Error_Detected) + break; + if (I_Am_Request) + { + I_Am_Request = false; + iam_send(&Handler_Transmit_Buffer[0]); + } + else + { + /* wait until the device is bound, or timeout and quit */ + found = address_bind_request( + Target_Device_Object_Instance, + &max_apdu, + &Target_Address); + if (found) + { + /* calculate the smaller of our APDU size or theirs + 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; + /* 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)) + { + if (invoke_id != 0) + fileStartPosition += requestedOctetCount; + /* we'll read the file in chunks + less than max_apdu to keep unsegmented */ + invoke_id = Send_Atomic_Read_File_Stream( + Target_Device_Object_Instance, + Target_File_Object_Instance, + fileStartPosition, + requestedOctetCount); + Current_Invoke_ID = invoke_id; + } + } + else + { + /* increment timer - exit if timed out */ + elapsed_seconds += (current_seconds - last_seconds); + if (elapsed_seconds > timeout_seconds) + break; + } + } + /* wait for ESC from keyboard before quitting */ + if (kbhit() && (getch() == 0x1B)) + break; + /* keep track of time for next check */ + last_seconds = current_seconds; + } + + return 0; +} diff --git a/bacnet-stack/demo/readfile/readfile.ide b/bacnet-stack/demo/readfile/readfile.ide new file mode 100644 index 00000000..3d7b8ff4 Binary files /dev/null and b/bacnet-stack/demo/readfile/readfile.ide differ diff --git a/bacnet-stack/handlers.c b/bacnet-stack/handlers.c index 3f12ed63..928f2886 100644 --- a/bacnet-stack/handlers.c +++ b/bacnet-stack/handlers.c @@ -210,8 +210,6 @@ bool Send_Read_Property_Request( return status; } - - bool Send_Write_Property_Request( uint32_t device_id, // destination device BACNET_OBJECT_TYPE object_type, diff --git a/bacnet-stack/tsm.c b/bacnet-stack/tsm.c index 30692167..a4f3b25e 100644 --- a/bacnet-stack/tsm.c +++ b/bacnet-stack/tsm.c @@ -56,18 +56,35 @@ // FIXME: not coded for segmentation // declare space for the TSM transactions, and set it up in the init. +/* table rules: an Invoke ID = 0 is an unused spot in the table */ static BACNET_TSM_DATA TSM_List[MAX_TSM_TRANSACTIONS] = {{0}}; // returns MAX_TSM_TRANSACTIONS if not found -uint8_t tsm_find_invokeID_index(uint8_t invokeID) +static uint8_t tsm_find_invokeID_index(uint8_t invokeID) { unsigned i = 0; // counter uint8_t index = MAX_TSM_TRANSACTIONS; // return value for (i = 0; i < MAX_TSM_TRANSACTIONS; i++) { - if ((TSM_List[i].state != TSM_STATE_IDLE) && - (TSM_List[i].InvokeID == invokeID)) + if (TSM_List[i].InvokeID == invokeID) + { + index = i; + break; + } + } + + return index; +} + +static uint8_t tsm_find_first_free_index(void) +{ + unsigned i = 0; // counter + uint8_t index = MAX_TSM_TRANSACTIONS; // return value + + for (i = 0; i < MAX_TSM_TRANSACTIONS; i++) + { + if (TSM_List[i].InvokeID == 0) { index = i; break; @@ -81,10 +98,10 @@ bool tsm_transaction_available(void) { bool status = false; // return value unsigned i = 0; // counter - + for (i = 0; i < MAX_TSM_TRANSACTIONS; i++) { - if (TSM_List[i].state == TSM_STATE_IDLE) + if (TSM_List[i].InvokeID == 0) { // one is available! status = true; @@ -99,10 +116,11 @@ uint8_t tsm_transaction_idle_count(void) { uint8_t count = 0; // return value unsigned i = 0; // counter - + for (i = 0; i < MAX_TSM_TRANSACTIONS; i++) { - if (TSM_List[i].state == TSM_STATE_IDLE) + if ((TSM_List[i].InvokeID == 0) && + (TSM_List[i].state == TSM_STATE_IDLE)) { // one is available! count++; @@ -112,6 +130,9 @@ uint8_t tsm_transaction_idle_count(void) return count; } +/* gets the next free invokeID, + and reserves a spot in the table + returns 0 if none are available */ uint8_t tsm_next_free_invokeID(void) { static uint8_t current_invokeID = 1; // incremented... @@ -122,18 +143,26 @@ uint8_t tsm_next_free_invokeID(void) while (!found) { index = tsm_find_invokeID_index(current_invokeID); + /* not found - that is good! */ if (index == MAX_TSM_TRANSACTIONS) { found = true; - invokeID = current_invokeID; + /* set this id into the table */ + index = tsm_find_first_free_index(); + if (index != MAX_TSM_TRANSACTIONS) + { + TSM_List[index].InvokeID = invokeID = current_invokeID; + TSM_List[index].state = TSM_STATE_IDLE; + TSM_List[index].RequestTimer = Device_APDU_Timeout(); + /* update for the next call or check */ + current_invokeID++; + // skip zero - we treat that internally as invalid or no free + if (current_invokeID == 0) + current_invokeID = 1; + } } - /* update for the next call or check */ - current_invokeID++; - // skip zero - we treat that internally as invalid or no free - if (current_invokeID == 0) - current_invokeID++; } - + return invokeID; } @@ -166,7 +195,7 @@ void tsm_set_confirmed_unsegmented_transaction( } } - return; + return; } // used to retrieve the transaction payload @@ -200,15 +229,15 @@ bool tsm_get_transaction_pdu( } } - return found; + return found; } -// called once a millisecond +/* called once a millisecond or slower */ void tsm_timer_milliseconds(uint16_t milliseconds) { unsigned i = 0; // counter int bytes_sent = 0; - + for (i = 0; i < MAX_TSM_TRANSACTIONS; i++) { if (TSM_List[i].state == TSM_STATE_AWAIT_CONFIRMATION) @@ -217,7 +246,7 @@ void tsm_timer_milliseconds(uint16_t milliseconds) TSM_List[i].RequestTimer -= milliseconds; else TSM_List[i].RequestTimer = 0; - // timeout. retry? + /* timeout. retry? */ if (TSM_List[i].RequestTimer == 0) { TSM_List[i].RetryCount--; @@ -225,12 +254,15 @@ void tsm_timer_milliseconds(uint16_t milliseconds) if (TSM_List[i].RetryCount) { bytes_sent = datalink_send_pdu( - &TSM_List[i].dest, // destination address + &TSM_List[i].dest, /* destination address */ &TSM_List[i].pdu[0], - TSM_List[i].pdu_len); // number of bytes of data + TSM_List[i].pdu_len); /* number of bytes of data */ } else + { + TSM_List[i].InvokeID = 0; TSM_List[i].state = TSM_STATE_IDLE; + } } } } @@ -239,10 +271,26 @@ void tsm_timer_milliseconds(uint16_t milliseconds) void tsm_free_invoke_id(uint8_t invokeID) { uint8_t index; - + index = tsm_find_invokeID_index(invokeID); if (index < MAX_TSM_TRANSACTIONS) + { TSM_List[index].state = TSM_STATE_IDLE; + TSM_List[index].InvokeID = 0; + } +} + +/* see if the invoke ID has been made free */ +bool tsm_invoke_id_free(uint8_t invokeID) +{ + bool status = true; + uint8_t index; + + index = tsm_find_invokeID_index(invokeID); + if (index < MAX_TSM_TRANSACTIONS) + status = false; + + return status; } #ifdef TEST diff --git a/bacnet-stack/tsm.h b/bacnet-stack/tsm.h index cccc43e9..59620829 100644 --- a/bacnet-stack/tsm.h +++ b/bacnet-stack/tsm.h @@ -108,6 +108,8 @@ bool tsm_get_transaction_pdu( uint8_t *pdu, uint16_t *pdu_len); +bool tsm_invoke_id_free(uint8_t invokeID); + #ifdef __cplusplus } #endif /* __cplusplus */