diff --git a/bacnet-stack/reject.c b/bacnet-stack/reject.c new file mode 100644 index 00000000..fe84bf06 --- /dev/null +++ b/bacnet-stack/reject.c @@ -0,0 +1,191 @@ +/*####COPYRIGHTBEGIN#### + ------------------------------------------- + Copyright (C) 2005 Steve Karg + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to: + The Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA. + + As a special exception, if other files instantiate templates or + use macros or inline functions from this file, or you compile + this file and link it with other works to produce a work based + on this file, this file does not by itself cause the resulting + work to be covered by the GNU General Public License. However + the source code for this file must still be made available in + accordance with section (3) of the GNU General Public License. + + This exception does not invalidate any other reasons why a work + based on this file might be covered by the GNU General Public + License. + ------------------------------------------- +####COPYRIGHTEND####*/ +#include +#include "bacenum.h" +#include "bacdcode.h" +#include "bacdef.h" + +// encode service +int reject_encode_apdu( + uint8_t *apdu, + uint8_t invoke_id, + uint8_t reject_reason) +{ + int apdu_len = 0; // total length of the apdu, return value + + if (apdu) + { + apdu[0] = PDU_TYPE_REJECT; + apdu[1] = invoke_id; + apdu[2] = reject_reason; + apdu_len = 3; + } + + return apdu_len; +} + +// decode the service request only +int reject_decode_service_request( + uint8_t *apdu, + unsigned apdu_len, + uint8_t *invoke_id, + uint8_t *reject_reason) +{ + int len = 0; + + if (apdu_len) + { + if (invoke_id) + *invoke_id = apdu[0]; + if (reject_reason) + *reject_reason = apdu[1]; + } + + return len; +} + +int reject_decode_apdu( + uint8_t *apdu, + unsigned apdu_len, + uint8_t *invoke_id, + uint8_t *reject_reason) +{ + int len = 0; + + if (!apdu) + return -1; + // optional checking - most likely was already done prior to this call + if (apdu[0] != PDU_TYPE_REJECT) + return -1; + if (apdu_len > 1) + { + len = reject_decode_service_request( + &apdu[1], + apdu_len - 1, + invoke_id, + reject_reason); + } + + return len; +} + +#ifdef TEST +#include +#include +#include "ctest.h" + +void testReject(Test * pTest) +{ + uint8_t apdu[480] = {0}; + int len = 0; + int apdu_len = 0; + uint8_t invoke_id = 0; + uint8_t reject_reason = 0; + uint8_t test_invoke_id = 0; + uint8_t test_reject_reason = 0; + + len = reject_encode_apdu( + &apdu[0], + invoke_id, + reject_reason); + ct_test(pTest, len != 0); + apdu_len = len; + + len = reject_decode_apdu( + &apdu[0], + apdu_len, + &test_invoke_id, + &test_reject_reason); + ct_test(pTest, len != -1); + ct_test(pTest, test_invoke_id == invoke_id); + ct_test(pTest, test_reject_reason == reject_reason); + + // change type to get negative response + apdu[0] = PDU_TYPE_ABORT; + len = reject_decode_apdu( + &apdu[0], + apdu_len, + &test_invoke_id, + &test_reject_reason); + ct_test(pTest, len == -1); + + // check them all... + for ( + invoke_id = 0; + invoke_id < 255; + invoke_id++) + { + for ( + reject_reason = 0; + reject_reason < 255; + reject_reason++) + { + len = reject_encode_apdu( + &apdu[0], + invoke_id, + reject_reason); + apdu_len = len; + ct_test(pTest, len != 0); + len = reject_decode_apdu( + &apdu[0], + apdu_len, + &test_invoke_id, + &test_reject_reason); + ct_test(pTest, len != -1); + ct_test(pTest, test_invoke_id == invoke_id); + ct_test(pTest, test_reject_reason == reject_reason); + } + } +} + +#ifdef TEST_REJECT +int main(void) +{ + Test *pTest; + bool rc; + + pTest = ct_create("BACnet Reject", NULL); + /* individual tests */ + rc = ct_addTestFunction(pTest, testReject); + assert(rc); + + ct_setStream(pTest, stdout); + ct_run(pTest); + (void) ct_report(pTest); + ct_destroy(pTest); + + return 0; +} +#endif /* TEST_WHOIS */ +#endif /* TEST */ diff --git a/bacnet-stack/reject.h b/bacnet-stack/reject.h new file mode 100644 index 00000000..4640bf63 --- /dev/null +++ b/bacnet-stack/reject.h @@ -0,0 +1,62 @@ +/*####COPYRIGHTBEGIN#### + ------------------------------------------- + Copyright (C) 2004 Steve Karg + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to: + The Free Software Foundation, Inc. + 59 Temple Place - Suite 330 + Boston, MA 02111-1307, USA. + + As a special exception, if other files instantiate templates or + use macros or inline functions from this file, or you compile + this file and link it with other works to produce a work based + on this file, this file does not by itself cause the resulting + work to be covered by the GNU General Public License. However + the source code for this file must still be made available in + accordance with section (3) of the GNU General Public License. + + This exception does not invalidate any other reasons why a work + based on this file might be covered by the GNU General Public + License. + ------------------------------------------- +####COPYRIGHTEND####*/ +#ifndef REJECT_H +#define REJECT_H + +#include +#include + +int reject_encode_apdu( + uint8_t *apdu, + uint8_t invoke_id, + uint8_t reject_reason); + +int reject_decode_service_request( + uint8_t *apdu, + unsigned apdu_len, + uint8_t *invoke_id, + uint8_t *reject_reason); + +int reject_decode_apdu( + uint8_t *apdu, + unsigned apdu_len, + uint8_t *invoke_id, + uint8_t *reject_reason) + +#ifdef TEST +void testReject(Test * pTest); +#endif + +#endif + diff --git a/bacnet-stack/reject.mak b/bacnet-stack/reject.mak new file mode 100644 index 00000000..b9b81247 --- /dev/null +++ b/bacnet-stack/reject.mak @@ -0,0 +1,33 @@ +#Makefile to build test case +CC = gcc +BASEDIR = . +#CFLAGS = -Wall -I. +# -g for debugging with gdb +#CFLAGS = -Wall -I. -g +CFLAGS = -Wall -I. -Itest -DTEST -DTEST_REJECT -g + +SRCS = bacdcode.c \ + bigend.c \ + reject.c \ + test/ctest.c + +OBJS = ${SRCS:.c=.o} + +TARGET = reject + +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 *.1 *.ini + +include: .depend