Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 1 | // |
| 2 | // Copyright © 2019 Arm Ltd. All rights reserved. |
| 3 | // SPDX-License-Identifier: MIT |
| 4 | // |
Matteo Martincigh | 6598427 | 2019-10-17 13:26:21 +0100 | [diff] [blame] | 5 | |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 6 | #include "GatordMockService.hpp" |
| 7 | |
Matteo Martincigh | 6598427 | 2019-10-17 13:26:21 +0100 | [diff] [blame] | 8 | #include <CommandHandlerRegistry.hpp> |
Keith Davis | 3201eea | 2019-10-24 17:30:41 +0100 | [diff] [blame] | 9 | #include <PacketVersionResolver.hpp> |
| 10 | #include <ProfilingUtils.hpp> |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 11 | |
| 12 | #include <cerrno> |
| 13 | #include <fcntl.h> |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 14 | #include <iomanip> |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 15 | #include <iostream> |
| 16 | #include <poll.h> |
| 17 | #include <string> |
| 18 | #include <sys/ioctl.h> |
| 19 | #include <sys/socket.h> |
| 20 | #include <sys/un.h> |
| 21 | #include <unistd.h> |
| 22 | |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 23 | namespace armnn |
| 24 | { |
| 25 | |
| 26 | namespace gatordmock |
| 27 | { |
| 28 | |
| 29 | bool GatordMockService::OpenListeningSocket(std::string udsNamespace) |
| 30 | { |
| 31 | m_ListeningSocket = socket(PF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0); |
| 32 | if (-1 == m_ListeningSocket) |
| 33 | { |
| 34 | std::cerr << ": Socket construction failed: " << strerror(errno) << std::endl; |
| 35 | return false; |
| 36 | } |
| 37 | |
| 38 | sockaddr_un udsAddress; |
| 39 | memset(&udsAddress, 0, sizeof(sockaddr_un)); |
| 40 | // We've set the first element of sun_path to be 0, skip over it and copy the namespace after it. |
| 41 | memcpy(udsAddress.sun_path + 1, udsNamespace.c_str(), strlen(udsNamespace.c_str())); |
| 42 | udsAddress.sun_family = AF_UNIX; |
| 43 | |
| 44 | // Bind the socket to the UDS namespace. |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 45 | if (-1 == bind(m_ListeningSocket, reinterpret_cast<const sockaddr*>(&udsAddress), sizeof(sockaddr_un))) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 46 | { |
| 47 | std::cerr << ": Binding on socket failed: " << strerror(errno) << std::endl; |
| 48 | return false; |
| 49 | } |
| 50 | // Listen for 1 connection. |
| 51 | if (-1 == listen(m_ListeningSocket, 1)) |
| 52 | { |
| 53 | std::cerr << ": Listen call on socket failed: " << strerror(errno) << std::endl; |
| 54 | return false; |
| 55 | } |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 56 | return true; |
| 57 | } |
| 58 | |
| 59 | int GatordMockService::BlockForOneClient() |
| 60 | { |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 61 | m_ClientConnection = accept4(m_ListeningSocket, nullptr, nullptr, SOCK_CLOEXEC); |
| 62 | if (-1 == m_ClientConnection) |
| 63 | { |
| 64 | std::cerr << ": Failure when waiting for a client connection: " << strerror(errno) << std::endl; |
| 65 | return -1; |
| 66 | } |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 67 | return m_ClientConnection; |
| 68 | } |
| 69 | |
| 70 | bool GatordMockService::WaitForStreamMetaData() |
| 71 | { |
| 72 | if (m_EchoPackets) |
| 73 | { |
| 74 | std::cout << "Waiting for stream meta data..." << std::endl; |
| 75 | } |
| 76 | // The start of the stream metadata is 2x32bit words, 0 and packet length. |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 77 | uint8_t header[8]; |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 78 | if (!ReadFromSocket(header, 8)) |
| 79 | { |
| 80 | return false; |
| 81 | } |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 82 | EchoPacket(PacketDirection::ReceivedHeader, header, 8); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 83 | // The first word, stream_metadata_identifer, should always be 0. |
| 84 | if (ToUint32(&header[0], TargetEndianness::BeWire) != 0) |
| 85 | { |
| 86 | std::cerr << ": Protocol error. The stream_metadata_identifer was not 0." << std::endl; |
| 87 | return false; |
| 88 | } |
| 89 | |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 90 | uint8_t pipeMagic[4]; |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 91 | if (!ReadFromSocket(pipeMagic, 4)) |
| 92 | { |
| 93 | return false; |
| 94 | } |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 95 | EchoPacket(PacketDirection::ReceivedData, pipeMagic, 4); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 96 | |
| 97 | // Before we interpret the length we need to read the pipe_magic word to determine endianness. |
| 98 | if (ToUint32(&pipeMagic[0], TargetEndianness::BeWire) == PIPE_MAGIC) |
| 99 | { |
| 100 | m_Endianness = TargetEndianness::BeWire; |
| 101 | } |
| 102 | else if (ToUint32(&pipeMagic[0], TargetEndianness::LeWire) == PIPE_MAGIC) |
| 103 | { |
| 104 | m_Endianness = TargetEndianness::LeWire; |
| 105 | } |
| 106 | else |
| 107 | { |
| 108 | std::cerr << ": Protocol read error. Unable to read PIPE_MAGIC value." << std::endl; |
| 109 | return false; |
| 110 | } |
| 111 | // Now we know the endianness we can get the length from the header. |
| 112 | // Remember we already read the pipe magic 4 bytes. |
| 113 | uint32_t metaDataLength = ToUint32(&header[4], m_Endianness) - 4; |
| 114 | // Read the entire packet. |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 115 | uint8_t packetData[metaDataLength]; |
Jammy Zhou | d80cc0c | 2019-10-21 16:44:40 +0800 | [diff] [blame] | 116 | if (metaDataLength != boost::numeric_cast<uint32_t>(read(m_ClientConnection, &packetData, metaDataLength))) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 117 | { |
| 118 | std::cerr << ": Protocol read error. Data length mismatch." << std::endl; |
| 119 | return false; |
| 120 | } |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 121 | EchoPacket(PacketDirection::ReceivedData, packetData, metaDataLength); |
| 122 | m_StreamMetaDataVersion = ToUint32(&packetData[0], m_Endianness); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 123 | m_StreamMetaDataMaxDataLen = ToUint32(&packetData[4], m_Endianness); |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 124 | m_StreamMetaDataPid = ToUint32(&packetData[8], m_Endianness); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 125 | |
| 126 | return true; |
| 127 | } |
| 128 | |
| 129 | void GatordMockService::SendConnectionAck() |
| 130 | { |
| 131 | if (m_EchoPackets) |
| 132 | { |
| 133 | std::cout << "Sending connection acknowledgement." << std::endl; |
| 134 | } |
| 135 | // The connection ack packet is an empty data packet with packetId == 1. |
| 136 | SendPacket(0, 1, nullptr, 0); |
| 137 | } |
| 138 | |
Finn Williams | 15db745 | 2019-10-15 14:22:13 +0100 | [diff] [blame] | 139 | void GatordMockService::SendRequestCounterDir() |
| 140 | { |
| 141 | if (m_EchoPackets) |
| 142 | { |
| 143 | std::cout << "Sending connection acknowledgement." << std::endl; |
| 144 | } |
| 145 | // The connection ack packet is an empty data packet with packetId == 1. |
| 146 | SendPacket(0, 3, nullptr, 0); |
| 147 | } |
| 148 | |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 149 | bool GatordMockService::LaunchReceivingThread() |
| 150 | { |
| 151 | if (m_EchoPackets) |
| 152 | { |
| 153 | std::cout << "Launching receiving thread." << std::endl; |
| 154 | } |
| 155 | // At this point we want to make the socket non blocking. |
| 156 | const int currentFlags = fcntl(m_ClientConnection, F_GETFL); |
| 157 | if (0 != fcntl(m_ClientConnection, F_SETFL, currentFlags | O_NONBLOCK)) |
| 158 | { |
| 159 | close(m_ClientConnection); |
| 160 | std::cerr << "Failed to set socket as non blocking: " << strerror(errno) << std::endl; |
| 161 | return false; |
| 162 | } |
| 163 | m_ListeningThread = std::thread(&GatordMockService::ReceiveLoop, this, std::ref(*this)); |
| 164 | return true; |
| 165 | } |
| 166 | |
| 167 | void GatordMockService::WaitForReceivingThread() |
| 168 | { |
Colm Donelan | 0270524 | 2019-11-14 14:19:07 +0000 | [diff] [blame] | 169 | // The receiving thread may already have died. |
| 170 | if (m_CloseReceivingThread != true) |
| 171 | { |
| 172 | m_CloseReceivingThread.store(true); |
| 173 | } |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 174 | // Check that the receiving thread is running |
| 175 | if (m_ListeningThread.joinable()) |
| 176 | { |
| 177 | // Wait for the receiving thread to complete operations |
| 178 | m_ListeningThread.join(); |
| 179 | } |
| 180 | } |
| 181 | |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 182 | void GatordMockService::SendPeriodicCounterSelectionList(uint32_t period, std::vector<uint16_t> counters) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 183 | { |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 184 | // The packet body consists of a UINT32 representing the period following by zero or more |
| 185 | // UINT16's representing counter UID's. If the list is empty it implies all counters are to |
| 186 | // be disabled. |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 187 | |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 188 | if (m_EchoPackets) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 189 | { |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 190 | std::cout << "SendPeriodicCounterSelectionList: Period=" << std::dec << period << "uSec" << std::endl; |
| 191 | std::cout << "List length=" << counters.size() << std::endl; |
| 192 | ; |
| 193 | } |
| 194 | // Start by calculating the length of the packet body in bytes. This will be at least 4. |
| 195 | uint32_t dataLength = static_cast<uint32_t>(4 + (counters.size() * 2)); |
| 196 | |
| 197 | std::unique_ptr<unsigned char[]> uniqueData = std::make_unique<unsigned char[]>(dataLength); |
| 198 | unsigned char* data = reinterpret_cast<unsigned char*>(uniqueData.get()); |
| 199 | |
| 200 | uint32_t offset = 0; |
| 201 | profiling::WriteUint32(data, offset, period); |
| 202 | offset += 4; |
| 203 | for (std::vector<uint16_t>::iterator it = counters.begin(); it != counters.end(); ++it) |
| 204 | { |
| 205 | profiling::WriteUint16(data, offset, *it); |
| 206 | offset += 2; |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 207 | } |
| 208 | |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 209 | // Send the packet. |
| 210 | SendPacket(0, 4, data, dataLength); |
| 211 | // There will be an echo response packet sitting in the receive thread. PeriodicCounterSelectionResponseHandler |
| 212 | // should deal with it. |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 213 | } |
| 214 | |
| 215 | void GatordMockService::WaitCommand(uint timeout) |
| 216 | { |
Colm Donelan | 0270524 | 2019-11-14 14:19:07 +0000 | [diff] [blame] | 217 | // Wait for a maximum of timeout microseconds or if the receive thread has closed. |
| 218 | // There is a certain level of rounding involved in this timing. |
| 219 | uint iterations = timeout / 1000; |
| 220 | std::cout << std::dec << "Wait command with timeout of " << timeout << " iterations = " << iterations << std::endl; |
| 221 | uint count = 0; |
| 222 | while ((this->ReceiveThreadRunning() && (count < iterations))) |
| 223 | { |
| 224 | std::this_thread::sleep_for(std::chrono::microseconds(1000)); |
| 225 | ++count; |
| 226 | } |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 227 | if (m_EchoPackets) |
| 228 | { |
| 229 | std::cout << std::dec << "Wait command with timeout of " << timeout << " microseconds completed. " << std::endl; |
| 230 | } |
| 231 | } |
| 232 | |
| 233 | void GatordMockService::ReceiveLoop(GatordMockService& mockService) |
| 234 | { |
| 235 | m_CloseReceivingThread.store(false); |
| 236 | while (!m_CloseReceivingThread.load()) |
| 237 | { |
| 238 | try |
| 239 | { |
| 240 | armnn::profiling::Packet packet = mockService.WaitForPacket(500); |
| 241 | } |
Jammy Zhou | d80cc0c | 2019-10-21 16:44:40 +0800 | [diff] [blame] | 242 | catch (const armnn::TimeoutException&) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 243 | { |
| 244 | // In this case we ignore timeouts and and keep trying to receive. |
| 245 | } |
Keith Davis | 3201eea | 2019-10-24 17:30:41 +0100 | [diff] [blame] | 246 | catch (const armnn::InvalidArgumentException& e) |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 247 | { |
| 248 | // We couldn't find a functor to handle the packet? |
| 249 | std::cerr << "Packet received that could not be processed: " << e.what() << std::endl; |
| 250 | } |
Keith Davis | 3201eea | 2019-10-24 17:30:41 +0100 | [diff] [blame] | 251 | catch (const armnn::RuntimeException& e) |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 252 | { |
| 253 | // A runtime exception occurred which means we must exit the loop. |
| 254 | std::cerr << "Receive thread closing: " << e.what() << std::endl; |
| 255 | m_CloseReceivingThread.store(true); |
| 256 | } |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 257 | } |
| 258 | } |
| 259 | |
| 260 | armnn::profiling::Packet GatordMockService::WaitForPacket(uint32_t timeoutMs) |
| 261 | { |
| 262 | // Is there currently more than a headers worth of data waiting to be read? |
| 263 | int bytes_available; |
| 264 | ioctl(m_ClientConnection, FIONREAD, &bytes_available); |
| 265 | if (bytes_available > 8) |
| 266 | { |
| 267 | // Yes there is. Read it: |
| 268 | return ReceivePacket(); |
| 269 | } |
| 270 | else |
| 271 | { |
| 272 | // No there's not. Poll for more data. |
| 273 | struct pollfd pollingFd[1]{}; |
| 274 | pollingFd[0].fd = m_ClientConnection; |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 275 | int pollResult = poll(pollingFd, 1, static_cast<int>(timeoutMs)); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 276 | |
| 277 | switch (pollResult) |
| 278 | { |
| 279 | // Error |
| 280 | case -1: |
| 281 | throw armnn::RuntimeException(std::string("File descriptor reported an error during polling: ") + |
| 282 | strerror(errno)); |
| 283 | |
| 284 | // Timeout |
| 285 | case 0: |
| 286 | throw armnn::TimeoutException("Timeout while waiting to receive packet."); |
| 287 | |
| 288 | // Normal poll return. It could still contain an error signal |
| 289 | default: |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 290 | // Check if the socket reported an error |
| 291 | if (pollingFd[0].revents & (POLLNVAL | POLLERR | POLLHUP)) |
| 292 | { |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 293 | if (pollingFd[0].revents == POLLNVAL) |
| 294 | { |
| 295 | throw armnn::RuntimeException(std::string("Error while polling receiving socket: POLLNVAL")); |
| 296 | } |
| 297 | if (pollingFd[0].revents == POLLERR) |
| 298 | { |
| 299 | throw armnn::RuntimeException(std::string("Error while polling receiving socket: POLLERR: ") + |
| 300 | strerror(errno)); |
| 301 | } |
| 302 | if (pollingFd[0].revents == POLLHUP) |
| 303 | { |
| 304 | throw armnn::RuntimeException(std::string("Connection closed by remote client: POLLHUP")); |
| 305 | } |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | // Check if there is data to read |
| 309 | if (!(pollingFd[0].revents & (POLLIN))) |
| 310 | { |
| 311 | // This is a corner case. The socket as been woken up but not with any data. |
| 312 | // We'll throw a timeout exception to loop around again. |
| 313 | throw armnn::TimeoutException("File descriptor was polled but no data was available to receive."); |
| 314 | } |
| 315 | return ReceivePacket(); |
| 316 | } |
| 317 | } |
| 318 | } |
| 319 | |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 320 | armnn::profiling::Packet GatordMockService::ReceivePacket() |
| 321 | { |
| 322 | uint32_t header[2]; |
| 323 | if (!ReadHeader(header)) |
| 324 | { |
| 325 | return armnn::profiling::Packet(); |
| 326 | } |
| 327 | // Read data_length bytes from the socket. |
| 328 | std::unique_ptr<unsigned char[]> uniquePacketData = std::make_unique<unsigned char[]>(header[1]); |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 329 | unsigned char* packetData = reinterpret_cast<unsigned char*>(uniquePacketData.get()); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 330 | |
| 331 | if (!ReadFromSocket(packetData, header[1])) |
| 332 | { |
| 333 | return armnn::profiling::Packet(); |
| 334 | } |
| 335 | |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 336 | EchoPacket(PacketDirection::ReceivedData, packetData, header[1]); |
| 337 | |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 338 | // Construct received packet |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 339 | armnn::profiling::PacketVersionResolver packetVersionResolver; |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 340 | armnn::profiling::Packet packetRx = armnn::profiling::Packet(header[0], header[1], uniquePacketData); |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 341 | if (m_EchoPackets) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 342 | { |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 343 | std::cout << "Processing packet ID= " << packetRx.GetPacketId() << " Length=" << packetRx.GetLength() |
| 344 | << std::endl; |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 345 | } |
| 346 | |
Keith Davis | 3201eea | 2019-10-24 17:30:41 +0100 | [diff] [blame] | 347 | profiling::Version version = |
| 348 | packetVersionResolver.ResolvePacketVersion(packetRx.GetPacketFamily(), packetRx.GetPacketId()); |
| 349 | |
| 350 | profiling::CommandHandlerFunctor* commandHandlerFunctor = |
| 351 | m_HandlerRegistry.GetFunctor(packetRx.GetPacketFamily(), packetRx.GetPacketId(), version.GetEncodedValue()); |
| 352 | BOOST_ASSERT(commandHandlerFunctor); |
| 353 | commandHandlerFunctor->operator()(packetRx); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 354 | return packetRx; |
| 355 | } |
| 356 | |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 357 | bool GatordMockService::SendPacket(uint32_t packetFamily, uint32_t packetId, const uint8_t* data, uint32_t dataLength) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 358 | { |
| 359 | // Construct a packet from the id and data given and send it to the client. |
| 360 | // Encode the header. |
| 361 | uint32_t header[2]; |
| 362 | header[0] = packetFamily << 26 | packetId << 16; |
| 363 | header[1] = dataLength; |
| 364 | // Add the header to the packet. |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 365 | uint8_t packet[8 + dataLength]; |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 366 | InsertU32(header[0], packet, m_Endianness); |
| 367 | InsertU32(header[1], packet + 4, m_Endianness); |
| 368 | // And the rest of the data if there is any. |
| 369 | if (dataLength > 0) |
| 370 | { |
| 371 | memcpy((packet + 8), data, dataLength); |
| 372 | } |
| 373 | EchoPacket(PacketDirection::Sending, packet, sizeof(packet)); |
| 374 | if (-1 == write(m_ClientConnection, packet, sizeof(packet))) |
| 375 | { |
| 376 | std::cerr << ": Failure when writing to client socket: " << strerror(errno) << std::endl; |
| 377 | return false; |
| 378 | } |
| 379 | return true; |
| 380 | } |
| 381 | |
| 382 | bool GatordMockService::ReadHeader(uint32_t headerAsWords[2]) |
| 383 | { |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 384 | // The header will always be 2x32bit words. |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 385 | uint8_t header[8]; |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 386 | if (!ReadFromSocket(header, 8)) |
| 387 | { |
| 388 | return false; |
| 389 | } |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 390 | EchoPacket(PacketDirection::ReceivedHeader, header, 8); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 391 | headerAsWords[0] = ToUint32(&header[0], m_Endianness); |
| 392 | headerAsWords[1] = ToUint32(&header[4], m_Endianness); |
| 393 | return true; |
| 394 | } |
| 395 | |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 396 | bool GatordMockService::ReadFromSocket(uint8_t* packetData, uint32_t expectedLength) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 397 | { |
| 398 | // This is a blocking read until either expectedLength has been received or an error is detected. |
| 399 | ssize_t totalBytesRead = 0; |
Jammy Zhou | d80cc0c | 2019-10-21 16:44:40 +0800 | [diff] [blame] | 400 | while (boost::numeric_cast<uint32_t>(totalBytesRead) < expectedLength) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 401 | { |
| 402 | ssize_t bytesRead = recv(m_ClientConnection, packetData, expectedLength, 0); |
| 403 | if (bytesRead < 0) |
| 404 | { |
| 405 | std::cerr << ": Failure when reading from client socket: " << strerror(errno) << std::endl; |
| 406 | return false; |
| 407 | } |
| 408 | if (bytesRead == 0) |
| 409 | { |
| 410 | std::cerr << ": EOF while reading from client socket." << std::endl; |
| 411 | return false; |
| 412 | } |
| 413 | totalBytesRead += bytesRead; |
| 414 | } |
| 415 | return true; |
| 416 | }; |
| 417 | |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 418 | void GatordMockService::EchoPacket(PacketDirection direction, uint8_t* packet, size_t lengthInBytes) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 419 | { |
| 420 | // If enabled print the contents of the data packet to the console. |
| 421 | if (m_EchoPackets) |
| 422 | { |
| 423 | if (direction == PacketDirection::Sending) |
| 424 | { |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 425 | std::cout << "TX " << std::dec << lengthInBytes << " bytes : "; |
| 426 | } |
| 427 | else if (direction == PacketDirection::ReceivedHeader) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 428 | { |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 429 | std::cout << "RX Header " << std::dec << lengthInBytes << " bytes : "; |
| 430 | } |
| 431 | else |
| 432 | { |
| 433 | std::cout << "RX Data " << std::dec << lengthInBytes << " bytes : "; |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 434 | } |
| 435 | for (unsigned int i = 0; i < lengthInBytes; i++) |
| 436 | { |
| 437 | if ((i % 10) == 0) |
| 438 | { |
| 439 | std::cout << std::endl; |
| 440 | } |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 441 | std::cout << "0x" << std::setfill('0') << std::setw(2) << std::hex << static_cast<unsigned int>(packet[i]) |
| 442 | << " "; |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 443 | } |
| 444 | std::cout << std::endl; |
| 445 | } |
| 446 | } |
| 447 | |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 448 | uint32_t GatordMockService::ToUint32(uint8_t* data, TargetEndianness endianness) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 449 | { |
| 450 | // Extract the first 4 bytes starting at data and push them into a 32bit integer based on the |
| 451 | // specified endianness. |
| 452 | if (endianness == TargetEndianness::BeWire) |
| 453 | { |
| 454 | return static_cast<uint32_t>(data[0]) << 24 | static_cast<uint32_t>(data[1]) << 16 | |
| 455 | static_cast<uint32_t>(data[2]) << 8 | static_cast<uint32_t>(data[3]); |
| 456 | } |
| 457 | else |
| 458 | { |
| 459 | return static_cast<uint32_t>(data[3]) << 24 | static_cast<uint32_t>(data[2]) << 16 | |
| 460 | static_cast<uint32_t>(data[1]) << 8 | static_cast<uint32_t>(data[0]); |
| 461 | } |
| 462 | } |
| 463 | |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 464 | void GatordMockService::InsertU32(uint32_t value, uint8_t* data, TargetEndianness endianness) |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 465 | { |
| 466 | // Take the bytes of a 32bit integer and copy them into char array starting at data considering |
| 467 | // the endianness value. |
| 468 | if (endianness == TargetEndianness::BeWire) |
| 469 | { |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 470 | *data = static_cast<uint8_t>((value >> 24) & 0xFF); |
| 471 | *(data + 1) = static_cast<uint8_t>((value >> 16) & 0xFF); |
| 472 | *(data + 2) = static_cast<uint8_t>((value >> 8) & 0xFF); |
| 473 | *(data + 3) = static_cast<uint8_t>(value & 0xFF); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 474 | } |
| 475 | else |
| 476 | { |
Rob Hughes | 270233f | 2019-11-13 11:53:48 +0000 | [diff] [blame] | 477 | *(data + 3) = static_cast<uint8_t>((value >> 24) & 0xFF); |
| 478 | *(data + 2) = static_cast<uint8_t>((value >> 16) & 0xFF); |
| 479 | *(data + 1) = static_cast<uint8_t>((value >> 8) & 0xFF); |
| 480 | *data = static_cast<uint8_t>(value & 0xFF); |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 481 | } |
| 482 | } |
| 483 | |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 484 | } // namespace gatordmock |
Colm Donelan | a21620d | 2019-10-11 13:09:49 +0100 | [diff] [blame] | 485 | |
Colm Donelan | b682d84 | 2019-10-16 12:24:20 +0100 | [diff] [blame] | 486 | } // namespace armnn |