From c5306f81a9d3b87df7e16c852f2505ac913193ca Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli (think)" Date: Fri, 8 Nov 2013 14:43:19 +0100 Subject: make dabOutput more object-oriented --- src/dabOutput/dabOutputRaw.cpp | 366 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 366 insertions(+) create mode 100644 src/dabOutput/dabOutputRaw.cpp (limited to 'src/dabOutput/dabOutputRaw.cpp') diff --git a/src/dabOutput/dabOutputRaw.cpp b/src/dabOutput/dabOutputRaw.cpp new file mode 100644 index 0000000..1a78b63 --- /dev/null +++ b/src/dabOutput/dabOutputRaw.cpp @@ -0,0 +1,366 @@ +#include +#include +#include "dabOutput.h" +#ifdef _WIN32 +# include +# include +#else +# include +# include +# include +# include +# include +# include +# include +# include +#endif + +const unsigned char revTable[] = { + 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, + 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, + 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, + 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8, + 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, + 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4, + 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, + 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc, + 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, + 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2, + 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, + 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa, + 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, + 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6, + 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, + 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe, + 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, + 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1, + 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, + 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9, + 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, + 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5, + 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, + 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd, + 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, + 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3, + 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, + 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb, + 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, + 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7, + 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, + 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff +}; + +int DabOutputRaw::Open(const char* filename) +{ + if (filename == NULL) { + etiLog.printHeader(TcpLog::ERR, "Socket name must be provided!\n"); + return -1; + } + +#ifdef _WIN32 + // Opening device + this->socket_ = CreateFile(filename, GENERIC_WRITE, 0, NULL, OPEN_EXISTING, + FILE_ATTRIBUTE_NORMAL, NULL); + if (this->socket_ == INVALID_HANDLE_VALUE) { + etiLog.printHeader(TcpLog::ERR, "Can't open raw device '%s': %i\n", + filename, GetLastError()); + return -1; + } + + // Configuring device + DWORD result; + FS_TE1_CONFIG config; + if (!DeviceIoControl(this->socket_, IoctlCodeFarSyncGetTE1Config, NULL, 0, + &config, sizeof(config), &result, NULL)) { + etiLog.printHeader(TcpLog::ERR, + "Can't get raw device '%s' config: %i\n", + filename, GetLastError()); + return -1; + } + config.dataRate = 2048000; + config.clocking = CLOCKING_MASTER; + config.framing = FRAMING_E1; + config.structure = STRUCTURE_UNFRAMED; + config.iface = INTERFACE_BNC; + config.coding = CODING_HDB3; + config.lineBuildOut = LBO_0dB; + config.equalizer = EQUALIZER_SHORT; + config.transparentMode = TRUE; + config.loopMode = LOOP_NONE; + config.range = RANGE_0_40_M; + config.txBufferMode = BUFFER_2_FRAME; + config.rxBufferMode = BUFFER_2_FRAME; + config.startingTimeSlot = 0; + config.losThreshold = 2; + config.enableIdleCode = TRUE; + config.idleCode = 0xff; + if (!DeviceIoControl(this->socket_, IoctlCodeFarSyncSetTE1Config, + &config, sizeof(config), NULL, 0, &result, NULL)) { + etiLog.printHeader(TcpLog::ERR, + "Can't set raw device '%s' config: %i\n", + filename, GetLastError()); + return -1; + } + + // Starting device + if (!DeviceIoControl(this->socket_, IoctlCodeFarSyncQuickStart, NULL, 0, + NULL, 0, &result, NULL)) { + etiLog.printHeader(TcpLog::ERR, "Can't start raw device '%s': %i\n", + filename, GetLastError()); + return -1; + } +#else + this->socket_ = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP); + if (this->socket_ == -1) { + etiLog.printHeader(TcpLog::ERR, "Are you logged as root?\n"); + perror(filename); + return -1; + } + + struct ifreq ifr; + struct sockaddr_ll saddr; + memset(&ifr, 0, sizeof(struct ifreq)); + (void)strncpy(ifr.ifr_name, filename, sizeof(ifr.ifr_name)); + + // Get current Farsync configuration + struct fstioc_info info; + memset(&info, 0, sizeof(info)); + ifr.ifr_data = (char*)&info; + if (ioctl(this->socket_, FSTGETCONF, &ifr) == -1) { + etiLog.printHeader(TcpLog::DBG, "Cyclades card identified.\n"); + this->isCyclades_ = true; + + // Set the interface MTU if needed + if (ioctl(this->socket_, SIOCGIFMTU, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, "Can't get raw device MTU!\n"); + perror(filename); + return -1; + } else { + if (ifr.ifr_mtu != 6143) { + ifr.ifr_mtu = 6143; + if (ioctl(this->socket_, SIOCSIFMTU, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, + "Can't Cyclades device MTU!\n"); + perror(filename); + return -1; + } + } + } + } else { + etiLog.printHeader(TcpLog::DBG, "Farsync card identified.\n"); + this->isCyclades_ = false; + + info.lineInterface = E1; + info.proto = FST_RAW; + info.internalClock = EXTCLK; + info.lineSpeed = 2048000; + //info.debug = DBG_INIT | DBG_OPEN | DBG_PCI | DBG_IOCTL | DBG_TX; + info.transparentMode = 1; + info.ignoreCarrier = 1; + info.numTxBuffers = 8; + info.numRxBuffers = 8; + info.txBufferSize = 6144; + info.rxBufferSize = 6144; + // E1 specific config + info.clockSource = CLOCKING_SLAVE; + info.structure = STRUCTURE_UNFRAMED; + info.interface = INTERFACE_BNC; //RJ48C; + info.coding = CODING_HDB3; + info.txBufferMode = BUFFER_2_FRAME; + info.idleCode = 0xff; + info.valid = FSTVAL_ALL; + + // Setting configuration + etiLog.printHeader(TcpLog::DBG, "Set configuration.\n"); + ifr.ifr_data = (char*)&info; + if (ioctl(this->socket_, FSTSETCONF, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, + "Can't set Farsync configurationi!\n"); + perror(filename); + return -1; + } + + // Disabling notify + etiLog.printHeader(TcpLog::DBG, "Disable notify.\n"); + int notify = 0; + ifr.ifr_data = (char*)¬ify; + if (ioctl(this->socket_, FSTSNOTIFY, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, "Can't disable Farsync notify!\n"); + perror(filename); + return -1; + } + + // Apply the new configuration + // Set the interface down if needed + etiLog.printHeader(TcpLog::DBG, "Get flags.\n"); + if (ioctl(this->socket_, SIOCGIFFLAGS, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, "Can't get Farsync flags!\n"); + perror(filename); + return -1; + } else { + if (ifr.ifr_flags & IFF_UP) { + etiLog.printHeader(TcpLog::DBG, "Set flags.\n"); + ifr.ifr_flags &= ~IFF_UP; + if (ioctl(this->socket_, SIOCSIFFLAGS, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, + "Can't turn down Farsync device!\n"); + perror(filename); + return -1; + } + } + } + + // Set the interface MTU if needed + etiLog.printHeader(TcpLog::DBG, "Get MTU.\n"); + if (ioctl(this->socket_, SIOCGIFMTU, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, "Can't get Farsync MTU!\n"); + perror(filename); + return -1; + } else { + if (ifr.ifr_mtu != 6144) { + etiLog.printHeader(TcpLog::DBG, "Set MTU.\n"); + ifr.ifr_mtu = 6144; + if (ioctl(this->socket_, SIOCSIFMTU, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, "Can't set Farsync MTU!\n"); + perror(filename); + return -1; + } + } + } + } + + // Set the interface up if needed + etiLog.printHeader(TcpLog::DBG, "Get flags.\n"); + if (ioctl(this->socket_, SIOCGIFFLAGS, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, "Can't get raw device flags!\n"); + perror(filename); + return -1; + } else { + if (!(ifr.ifr_flags & IFF_UP)) { + ifr.ifr_flags |= IFF_UP; + etiLog.printHeader(TcpLog::DBG, "Set flags.\n"); + if (ioctl(this->socket_, SIOCSIFFLAGS, &ifr) == -1) { + etiLog.printHeader(TcpLog::ERR, "Can't turn up raw device!\n"); + perror(filename); + return -1; + } + } + } + + close(this->socket_); + + //////////////////// + // Opening device // + //////////////////// + + if ((this->socket_ = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_CUST))) == -1) { + etiLog.printHeader(TcpLog::ERR, "Are you logged as root?\n"); + perror(filename); + return -1; + } + + // ioctl to read the interface number + etiLog.printHeader(TcpLog::DBG, "Get index.\n"); + memset(&ifr, 0, sizeof(struct ifreq)); + strncpy(ifr.ifr_name, filename, sizeof(ifr.ifr_name)); + if (ioctl(this->socket_, SIOCGIFINDEX, (char *) &ifr) == -1) { + perror(filename); + return -1; + } + + // Bind to the interface name + etiLog.printHeader(TcpLog::DBG, "Bind interface.\n"); + memset(&saddr, 0, sizeof(struct sockaddr_ll)); + saddr.sll_family = AF_PACKET; + saddr.sll_protocol = ARPHRD_RAWHDLC; + saddr.sll_ifindex = ifr.ifr_ifindex; + if (bind(this->socket_, (struct sockaddr *) &saddr, sizeof(saddr)) == -1) { + etiLog.printHeader(TcpLog::ERR, "Can't bind raw device!\n"); + perror(filename); + return -1; + } +#endif + + return 0; +} + + +int DabOutputRaw::Write(void* buffer, int size) +{ + // Encoding data + memcpy(this->buffer_, buffer, size); + memset(this->buffer_ + size, 0x55, 6144 - size); + for (int i = 0; i < 6144; ++i) { + this->buffer_[i] = revTable[this->buffer_[i]]; + } + + // Writting data +#ifdef _WIN32 + DWORD result; + if(!DeviceIoControl(this->socket_, IoctlCodeTxFrame, this->buffer_, 6144, + NULL, 0, &result, NULL)) { + goto RAW_WRITE_ERROR; + } +#else + /* + if (write(this->socket_, this->buffer_ + 1, 6143) != 6143) { + goto RAW_WRITE_ERROR; + } + */ + if (this->isCyclades_) { + if (write(this->socket_, this->buffer_ + 1, 6143) != 6143) { + goto RAW_WRITE_ERROR; + } + } else { + int ret = send(this->socket_, this->buffer_, 6144, 0); + if (ret != 6144) { + fprintf(stderr, "%i/6144 bytes written\n", ret); + goto RAW_WRITE_ERROR; + } + } +#endif + + return size; + +RAW_WRITE_ERROR: +#ifdef _WIN32 + DWORD err = GetLastError(); + LPSTR errMsg; + if(FormatMessage( + FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, + NULL, + err, + 0, + (LPTSTR)&errMsg, + 0, + NULL) == 0) { + fprintf(stderr, "Error while writting to raw socket: %i\n", err); + } else { + fprintf(stderr, "Error while writting to raw socket: %s\n", errMsg); + LocalFree(errMsg); + } +#else + perror("Error while writting to raw socket"); +#endif + + return -1; +} + + +int DabOutputRaw::Close() +{ +#ifdef _WIN32 + CancelIo(this->socket_); + CloseHandle(this->socket_); + return 0; +#else + if (close(this->socket_) == 0) { + this->socket_ = -1; + return 0; + } + perror("Can't close raw socket"); +#endif + + return -1; +} + -- cgit v1.2.3