| #include "software_utils.hpp" |
| |
| #include <phosphor-logging/lg2.hpp> |
| |
| PHOSPHOR_LOG2_USING; |
| |
| namespace phosphor::software::utils |
| { |
| |
| static bool writeToFile(int imageFd, FILE* outStream) |
| { |
| const int bSize = 100; |
| ssize_t nRead = 0; |
| unsigned char buf[bSize]; |
| |
| while ((nRead = read(imageFd, buf, bSize)) > 0) |
| { |
| if (fwrite(buf, 1, nRead, outStream) != (size_t)nRead) |
| { |
| error("Failed to write to file"); |
| return false; |
| } |
| } |
| if (nRead < 0) |
| { |
| error("Failed to read from input file"); |
| return false; |
| } |
| return true; |
| } |
| |
| bool unTar(int imageFd, const std::string& extractDirPath) |
| { |
| std::string tarCmd = "tar -xf - -C " + extractDirPath + " --no-same-owner"; |
| info("Executing command: {CMD}", "CMD", tarCmd); |
| FILE* outStream = popen(tarCmd.c_str(), "w"); |
| if (outStream == nullptr) |
| { |
| error("Failed to open pipe to execute command: {CMD}", "CMD", tarCmd); |
| return false; |
| } |
| |
| if (!writeToFile(imageFd, outStream)) |
| { |
| error("Failed to write to file"); |
| pclose(outStream); |
| return false; |
| } |
| |
| if (pclose(outStream) != 0) |
| { |
| error("Failed to close pipe"); |
| return false; |
| } |
| return true; |
| } |
| |
| } // namespace phosphor::software::utils |
| |
| boost::asio::io_context& getIOContext() |
| { |
| static boost::asio::io_context io; |
| return io; |
| } |