From 5aa8118d99b104402bf044e57c473a7156dc2314 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Sun, 30 Oct 2016 12:08:29 +0100 Subject: Remove bridge format and input --- src/bridge.c | 515 ----------------------------------------------------------- 1 file changed, 515 deletions(-) delete mode 100644 src/bridge.c (limited to 'src/bridge.c') diff --git a/src/bridge.c b/src/bridge.c deleted file mode 100644 index d66a7b2..0000000 --- a/src/bridge.c +++ /dev/null @@ -1,515 +0,0 @@ -/* - Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Her Majesty the - Queen in Right of Canada (Communications Research Center Canada) - */ -/* - This file is part of ODR-DabMux. - - ODR-DabMux 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 3 of the - License, or (at your option) any later version. - - ODR-DabMux 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 ODR-DabMux. If not, see . - */ - -#include -#ifdef _WIN32 -# include -#else -# include -#endif // _WIN32 -#include -#include "bridge.h" -#include "crc.h" - -#include -#include "PcDebug.h" - -#ifdef _WIN32 -# ifdef _DEBUG - int bridgeVerbosity = 0; -# endif -#else -# ifdef DEBUG - int bridgeVerbosity = 0; -# endif -#endif - -void printStats(struct bridgeInfo* info, FILE* out) -{ - struct bridgeStats stats = getStats(info); - fprintf(out, "frames : %lu\n", stats.frames); - fprintf(out, " valids : %lu\n", stats.valids); - fprintf(out, " invalids : %lu\n", stats.invalids); - fprintf(out, " bytes : %lu\n", stats.bytes); - fprintf(out, " packets : %lu\n", stats.packets); - fprintf(out, " errors : %lu\n", stats.errors); - fprintf(out, " missings : %lu\n", stats.missings); - fprintf(out, " dropped : %lu\n", stats.dropped); - fprintf(out, " crc : %lu\n", stats.crc); - fprintf(out, " overruns : %lu\n", stats.overruns); -} - - -void resetStats(struct bridgeInfo* info) -{ - memset(&info->stats, 0, sizeof(info->stats)); -} - - -struct bridgeStats getStats(struct bridgeInfo* info) -{ - return info->stats; -} - - -void bridgeInitInfo(struct bridgeInfo* info) -{ - memset(info, 0, sizeof(*info)); - info->transmitted = -8; -}; - - -int writePacket(void* dataIn, int sizeIn, void* dataOut, int sizeOut, - struct bridgeInfo* info) -{ - static struct bridgeHdr header = { 0 }; - - PDEBUG4_VERBOSE(1, bridgeVerbosity, "writePacket\n sizeIn: %i, sizeOut: %i, " - "offset: %i, transmitted: %i\n", - sizeIn, sizeOut, info->offset, info->transmitted); - - assert(info->transmitted < sizeIn); - - if ((info->offset == 0) && (sizeIn > 0)) { - ((unsigned short*)dataOut)[0] = 0xb486; - info->offset = 2; - } - if (sizeIn == 0) { - memset((unsigned char*)dataOut + info->offset, 0, sizeOut - info->offset); - info->offset = 0; - info->transmitted = -8; - PDEBUG1_VERBOSE(1, bridgeVerbosity, " return %i (sizeIn == 0)\n", - sizeOut); - return 0; - } - - while (info->offset < sizeOut) { - switch (info->transmitted) { - case (-8): - ((unsigned char*)dataOut)[info->offset++] = 0xcb; - ++info->transmitted; - break; - case (-7): - ((unsigned char*)dataOut)[info->offset++] = 0x28; - ++info->transmitted; - break; - case (-6): - header.size = htons((unsigned short)sizeIn); - header.crc = htons((unsigned short)(crc16(0xffff, &header, 4) ^ 0xffff)); - ((unsigned char*)dataOut)[info->offset++] = ((char*)&header)[0]; - ++info->transmitted; - break; - case (-5): - ((unsigned char*)dataOut)[info->offset++] = ((char*)&header)[1]; - ++info->transmitted; - break; - case (-4): - ((unsigned char*)dataOut)[info->offset++] = ((char*)&header)[2]; - ++info->transmitted; - break; - case (-3): - ((unsigned char*)dataOut)[info->offset++] = ((char*)&header)[3]; - ++info->transmitted; - break; - case (-2): - ((unsigned char*)dataOut)[info->offset++] = ((char*)&header)[4]; - ++info->transmitted; - break; - case (-1): - ((unsigned char*)dataOut)[info->offset++] = ((char*)&header)[5]; - ++info->transmitted; - header.seqNb = htons((unsigned short)(ntohs(header.seqNb) + 1)); - break; - default: - ((unsigned char*)dataOut)[info->offset++] = - ((unsigned char*)dataIn)[info->transmitted++]; - if (info->transmitted == sizeIn) { - PDEBUG2_VERBOSE(1, bridgeVerbosity, - " Packet done, %i bytes at offset %i\n", - info->transmitted, info->offset); - PDEBUG1_VERBOSE(1, bridgeVerbosity, - " return %i (sizeIn == transmitted)\n", info->offset); - info->transmitted = -8; - return info->offset; - } - } - } - - PDEBUG1_VERBOSE(1, bridgeVerbosity, " return %i (offset >= sizeOut)\n", - info->offset); - info->offset = 0; - return 0; -} - - -int getPacket(void* dataIn, int sizeIn, void* dataOut, int sizeOut, - struct bridgeInfo* info, char async) -{ - unsigned char* in = (unsigned char*)dataIn; - unsigned char* out = (unsigned char*)dataOut; - unsigned char ch; - unsigned short crc; - unsigned short diff; - - PDEBUG3_VERBOSE(1, bridgeVerbosity, - "getPacket\n pos\t%i\n state\t%i\n received\t%i\n", - info->pos, info->state, info->received); - - if (info->pos == 0) { - ++info->stats.frames; - if (((unsigned short*)dataIn)[0] != 0xb486) { - if (((unsigned short*)dataIn)[0] != 0) { - ++info->stats.invalids; - printf("WARNING: processing frame with invalid magic " - "number!\n"); - } else { - PDEBUG0_VERBOSE(1, bridgeVerbosity, - "getPacket: not a valid frame\n"); - return 0; - } - } else { - PDEBUG0_VERBOSE(2, bridgeVerbosity, "Valid frame\n"); - info->pos += 2; - ++info->stats.valids; - } - info->stats.bytes += sizeIn; - } - while (info->pos < sizeIn) { - ch = in[info->pos++]; - switch (info->state) { - case 0: // sync search - info->sync <<= 8; - info->sync |= ch; - if (info->sync == 0xcb28) { - PDEBUG0_VERBOSE(2, bridgeVerbosity, "Sync found\n"); - ++info->stats.packets; - info->received = 0; - info->state = 1; - } - if (info->sync == 0) { // Padding - info->pos = 0; - return 0; - } - break; - case 1: // header search - ((char*)&info->header)[info->received++] = ch; - if (info->received == sizeof(struct bridgeHdr)) { - PDEBUG0_VERBOSE(2, bridgeVerbosity, "Header found\n"); - out = (unsigned char*)dataOut; - info->received = 0; - info->state = 2; - crc = crc16(0xffff, &info->header, 4); - crc ^= 0xffff; - info->header.size = ntohs(info->header.size); - info->header.seqNb = ntohs(info->header.seqNb); - info->header.crc = ntohs(info->header.crc); - PDEBUG4_VERBOSE(2, bridgeVerbosity, - " size\t%i\n seq\t%i\n crc\t0x%.4x (0x%.4x)\n", - info->header.size, info->header.seqNb, - info->header.crc, crc); - if (crc != info->header.crc) { - PDEBUG0_VERBOSE(2, bridgeVerbosity, "CRC error\n"); - ++info->stats.errors; - ++info->stats.crc; - info->state = 0; - if (info->pos < sizeof(struct bridgeHdr) + 2 + 2) { - info->pos = 2; - } - } else { - if (!info->initSeq) { - info->lastSeq = info->header.seqNb; - info->initSeq = 1; - } else { - if (info->header.seqNb > info->lastSeq) { - diff = (info->header.seqNb - info->lastSeq) - 1; - } else { - diff = ((short)info->lastSeq - - (short)info->header.seqNb) - 1; - } - info->stats.errors += diff; - info->stats.missings += diff; - info->lastSeq = info->header.seqNb; - } - } - } - break; - case 2: // data - out[info->received++] = ch; - if (info->received == info->header.size) { - PDEBUG0_VERBOSE(2, bridgeVerbosity, "data found\n"); - info->state = 0; - return info->received; - } - if (info->received == sizeOut) { - PDEBUG1_VERBOSE(1, bridgeVerbosity, "To much data: %i\n", - info->received); - ++info->stats.errors; - ++info->stats.overruns; - info->sync = 0; - info->state = 0; - return -1; - } - break; - case 3: // Padding or sync - if (ch == 0) { // Padding - info->pos = 0; - return 0; - } - if (ch != 0xcb) { // error - info->sync = ch; - info->state = 0; - } else { - info->state = 4; - } - break; - case 4: // Low byte sync - if (ch != 28) { // error - info->sync <<= 8; - info->sync |= ch; - info->state = 0; - } else { - info->state = 2; - } - break; - } - } - info->pos = 0; - return 0; -} - - -void dump(void* data, int size, FILE* stream) -{ - int i; - fprintf(stream, "%i bytes\n", size); - for (i = 0; i < size; ++i) { - fprintf(stream, " 0x%.2x", ((unsigned char*)data)[i]); - if (i % 8 == 7) - fprintf(stream, "\n"); - } - fprintf(stream, "\n"); -} - - -#ifdef BRIDGE_TEST -#include - - -int test(const unsigned char* data) -{ - unsigned char bridgeSize = data[0]; - unsigned char nbInput = data[1]; - unsigned char nbBridge = 1; - struct bridgeInfo info; - - int i, j; - int index = 0; - int max = 0; - int nbBytes; - - unsigned char** inputData; - unsigned char** bridgeData; - unsigned char* outputData; - - inputData = malloc(nbInput * 4); - bridgeData = malloc(nbBridge * 4); - for (i = 0; i < nbInput; ++i) { - if (data[i + 2] > 0) - inputData[i] = malloc(data[i + 2]); - if (data[i + 2] > max) { - max = data[i + 2]; - } - for (j = 0; j < data[i + 2]; ++j) { - inputData[i][j] = index++; - } - } - bridgeData[0] = malloc(bridgeSize); - memset(bridgeData[0], 0, bridgeSize); - outputData = malloc(max); - bridgeInitInfo(&info); - - // Write packets - index = 0; - while (1) { - if (data[index + 2] == 0) { - if (++index == nbInput) - break; - } - while ((nbBytes = writePacket(inputData[index], data[index + 2], - bridgeData[nbBridge - 1], bridgeSize, &info)) - != 0) { - if (++index == nbInput) { - break; - } - } - if (index == nbInput) - break; - // TODO check null - bridgeData = realloc(bridgeData, (++nbBridge) * 4); - bridgeData[nbBridge - 1] = malloc(bridgeSize); - memset(bridgeData[nbBridge - 1], 0, bridgeSize); - } -// if (nbBytes != bridgeSize) { - writePacket(NULL, 0, bridgeData[nbBridge - 1], bridgeSize, &info); -// } - - // read packets - index = 0; - for (i = 0; i < nbBridge; ++i) { - while ((nbBytes = getPacket(bridgeData[i], bridgeSize, outputData, max, - &info, 0)) != 0) { - while (data[index + 2] == 0) { - ++index; - } - if (nbBytes != data[index + 2]) { - printf("FAILED\n"); - printf("Invalid size at bridge %i, data %i: %i != %i\n", - i, index, nbBytes, data[index + 2]); - for (i = 0; i < nbInput; ++i) { - printf("Input %i: ", i); - dump(inputData[i], data[i + 2], stdout); - } - for (i = 0; i < nbBridge; ++i) { - printf("Bridge %i: ", i); - dump(bridgeData[i], bridgeSize, stdout); - } - printf("Output %i: ", index); - dump(outputData, nbBytes, stdout); - return -1; - } - if (memcmp(outputData, inputData[index], data[index + 2]) != 0) { - printf("FAILED\n"); - printf("output != input\n"); - for (i = 0; i < nbInput; ++i) { - printf("Input %i: ", i); - dump(inputData[i], data[i + 2], stdout); - } - for (i = 0; i < nbBridge; ++i) { - printf("Bridge %i: ", i); - dump(bridgeData[i], bridgeSize, stdout); - } - printf("Output %i: ", index); - dump(outputData, nbBytes, stdout); - } - ++index; - } - } - - printf("SUCCESS\n"); - - for (i = 0; i < nbInput; ++i) { - if (data[i + 2] > 0) - free(inputData[i]); - } - free(inputData); - free(outputData); - for (i = 0; i < nbBridge; ++i) { - free(bridgeData[i]); - } - free(bridgeData); - - return -1; -} - - -int main(int argc, char* argv[]) -{ - int i; - // test: bridgesize, nbinput [, input1, input2, ... ] - const unsigned char complete[] = { 32, 1, 16 }; - const unsigned char split[] = { 32, 1, 48 }; - const unsigned char twice[] = {32, 2, 8, 4 }; - const unsigned char secondSplit[] = { 32, 2, 16, 16 }; - const unsigned char headerSplit[][4] = { - { 32, 2, 23, 16 }, - { 32, 2, 22, 16 }, - { 32, 2, 21, 16 }, - { 32, 2, 20, 16 }, - { 32, 2, 19, 16 }, - { 32, 2, 18, 16 }, - { 32, 2, 17, 16 } - }; - const unsigned char two[] = { 32, 3, 16, 0, 16 }; - const unsigned char doubleSplit[] = { 32, 2, 32, 32 }; - const unsigned char full[] = { 32, 2, 24, 12 }; - const unsigned char empty[] = { 32, 3, 0, 0, 5 }; - -#ifdef _WIN32 - #ifdef _DEBUG - bridgeVerbosity = argc - 1; - #endif // DEBUG -#else - #ifdef DEBUG - bridgeVerbosity = argc - 1; - #endif // DEBUG -#endif // _WIN32 - - printf("Complete: "); - test(complete); - // printStats(stdout); - fflush(stdout); - - printf("split: "); - test(split); - // printStats(stdout); - fflush(stdout); - - printf("twice: "); - test(twice); - // printStats(stdout); - fflush(stdout); - - printf("second split: "); - test(secondSplit); - // printStats(stdout); - fflush(stdout); - - for (i = 0; i < sizeof(headerSplit) / sizeof(headerSplit[0]); ++i) { - printf("headerSplit%i: ", i); - test(headerSplit[i]); - // printStats(stdout); - fflush(stdout); - } - - printf("two: "); - test(two); - // printStats(stdout); - fflush(stdout); - - printf("doubleSplit: "); - test(doubleSplit); - // printStats(stdout); - fflush(stdout); - - printf("full: "); - test(full); - // printStats(stdout); - fflush(stdout); - - printf("empty: "); - test(empty); - // printStats(stdout); - fflush(stdout); - - return 0; -} - -#endif // BRIDGE_TEST -- cgit v1.2.3