1 #include "config.h" 2 3 #include "core_manager.hpp" 4 5 #include <phosphor-logging/lg2.hpp> 6 #include <sdbusplus/exception.hpp> 7 8 #include <filesystem> 9 #include <regex> 10 11 namespace phosphor 12 { 13 namespace dump 14 { 15 namespace core 16 { 17 18 using namespace std; 19 20 void Manager::watchCallback(const UserMap& fileInfo) 21 { 22 vector<string> files; 23 24 for (const auto& i : fileInfo) 25 { 26 std::filesystem::path file(i.first); 27 std::string name = file.filename(); 28 29 /* 30 As per coredump source code systemd-coredump uses below format 31 https://github.com/systemd/systemd/blob/master/src/coredump/coredump.c 32 /var/lib/systemd/coredump/core.%s.%s." SD_ID128_FORMAT_STR “ 33 systemd-coredump also creates temporary file in core file path prior 34 to actual core file creation. Checking the file name format will help 35 to limit dump creation only for the new core files. 36 */ 37 if ("core" == name.substr(0, name.find('.'))) 38 { 39 // Consider only file name start with "core." 40 files.push_back(file); 41 } 42 } 43 44 if (!files.empty()) 45 { 46 createHelper(files); 47 } 48 } 49 50 void Manager::createHelper(const vector<string>& files) 51 { 52 constexpr auto MAPPER_BUSNAME = "xyz.openbmc_project.ObjectMapper"; 53 constexpr auto MAPPER_PATH = "/xyz/openbmc_project/object_mapper"; 54 constexpr auto MAPPER_INTERFACE = "xyz.openbmc_project.ObjectMapper"; 55 constexpr auto IFACE_INTERNAL("xyz.openbmc_project.Dump.Internal.Create"); 56 constexpr auto APPLICATION_CORED = 57 "xyz.openbmc_project.Dump.Internal.Create.Type.ApplicationCored"; 58 59 auto b = sdbusplus::bus::new_default(); 60 auto mapper = b.new_method_call(MAPPER_BUSNAME, MAPPER_PATH, 61 MAPPER_INTERFACE, "GetObject"); 62 mapper.append(OBJ_INTERNAL, vector<string>({IFACE_INTERNAL})); 63 64 map<string, vector<string>> mapperResponse; 65 try 66 { 67 auto mapperResponseMsg = b.call(mapper); 68 mapperResponseMsg.read(mapperResponse); 69 } 70 catch (const sdbusplus::exception_t& e) 71 { 72 lg2::error("Failed to GetObject on Dump.Internal: {ERROR}", "ERROR", e); 73 return; 74 } 75 if (mapperResponse.empty()) 76 { 77 lg2::error("Error reading mapper response"); 78 return; 79 } 80 81 const auto& host = mapperResponse.cbegin()->first; 82 auto m = b.new_method_call(host.c_str(), OBJ_INTERNAL, IFACE_INTERNAL, 83 "Create"); 84 m.append(APPLICATION_CORED, files); 85 try 86 { 87 b.call_noreply(m); 88 } 89 catch (const sdbusplus::exception_t& e) 90 { 91 lg2::error("Failed to create dump: {ERROR}", "ERROR", e); 92 } 93 } 94 95 } // namespace core 96 } // namespace dump 97 } // namespace phosphor 98