1 #include "config.h" 2 3 #include "core_manager.hpp" 4 5 #include <phosphor-logging/lg2.hpp> 6 #include <phosphor-logging/log.hpp> 7 #include <sdbusplus/exception.hpp> 8 9 #include <filesystem> 10 #include <regex> 11 12 namespace phosphor 13 { 14 namespace dump 15 { 16 namespace core 17 { 18 19 using namespace phosphor::logging; 20 using namespace std; 21 22 void Manager::watchCallback(const UserMap& fileInfo) 23 { 24 vector<string> files; 25 26 for (const auto& i : fileInfo) 27 { 28 std::filesystem::path file(i.first); 29 std::string name = file.filename(); 30 31 /* 32 As per coredump source code systemd-coredump uses below format 33 https://github.com/systemd/systemd/blob/master/src/coredump/coredump.c 34 /var/lib/systemd/coredump/core.%s.%s." SD_ID128_FORMAT_STR “ 35 systemd-coredump also creates temporary file in core file path prior 36 to actual core file creation. Checking the file name format will help 37 to limit dump creation only for the new core files. 38 */ 39 if ("core" == name.substr(0, name.find('.'))) 40 { 41 // Consider only file name start with "core." 42 files.push_back(file); 43 } 44 } 45 46 if (!files.empty()) 47 { 48 createHelper(files); 49 } 50 } 51 52 void Manager::createHelper(const vector<string>& files) 53 { 54 constexpr auto MAPPER_BUSNAME = "xyz.openbmc_project.ObjectMapper"; 55 constexpr auto MAPPER_PATH = "/xyz/openbmc_project/object_mapper"; 56 constexpr auto MAPPER_INTERFACE = "xyz.openbmc_project.ObjectMapper"; 57 constexpr auto IFACE_INTERNAL("xyz.openbmc_project.Dump.Internal.Create"); 58 constexpr auto APPLICATION_CORED = 59 "xyz.openbmc_project.Dump.Internal.Create.Type.ApplicationCored"; 60 61 auto b = sdbusplus::bus::new_default(); 62 auto mapper = b.new_method_call(MAPPER_BUSNAME, MAPPER_PATH, 63 MAPPER_INTERFACE, "GetObject"); 64 mapper.append(OBJ_INTERNAL, vector<string>({IFACE_INTERNAL})); 65 66 map<string, vector<string>> mapperResponse; 67 try 68 { 69 auto mapperResponseMsg = b.call(mapper); 70 mapperResponseMsg.read(mapperResponse); 71 } 72 catch (const sdbusplus::exception_t& e) 73 { 74 lg2::error("Failed to GetObject on Dump.Internal: {ERROR}", "ERROR", e); 75 return; 76 } 77 if (mapperResponse.empty()) 78 { 79 lg2::error("Error reading mapper response"); 80 return; 81 } 82 83 const auto& host = mapperResponse.cbegin()->first; 84 auto m = b.new_method_call(host.c_str(), OBJ_INTERNAL, IFACE_INTERNAL, 85 "Create"); 86 m.append(APPLICATION_CORED, files); 87 try 88 { 89 b.call_noreply(m); 90 } 91 catch (const sdbusplus::exception_t& e) 92 { 93 lg2::error("Failed to create dump: {ERROR}", "ERROR", e); 94 } 95 } 96 97 } // namespace core 98 } // namespace dump 99 } // namespace phosphor 100