1 #pragma once 2 3 #include <vector> 4 #include <string> 5 #include <tuple> 6 #include <algorithm> 7 #include <cstring> 8 #include <phosphor-logging/elog-errors.hpp> 9 #include "elog_entry.hpp" 10 #include "callouts-gen.hpp" 11 12 namespace phosphor 13 { 14 namespace logging 15 { 16 namespace metadata 17 { 18 19 using Metadata = std::string; 20 21 namespace associations 22 { 23 24 using Type = void(const std::string&, 25 const std::vector<std::string>&, 26 AssociationList& list); 27 28 /** @brief Pull out metadata name and value from the string 29 * <metadata name>=<metadata value> 30 * @param [in] data - metadata key=value entries 31 * @param [out] metadata - map of metadata name:value 32 */ 33 inline void parse(const std::vector<std::string>& data, 34 std::map<std::string, std::string>& metadata) 35 { 36 constexpr auto separator = '='; 37 for(const auto& entry: data) 38 { 39 auto pos = entry.find(separator); 40 if(std::string::npos != pos) 41 { 42 auto key = entry.substr(0, entry.find(separator)); 43 auto value = entry.substr(entry.find(separator) + 1); 44 metadata.emplace(std::move(key), std::move(value)); 45 } 46 } 47 }; 48 49 /** @brief Build error associations specific to metadata. Specialize this 50 * template for handling a specific type of metadata. 51 * @tparam M - type of metadata 52 * @param [in] match - metadata to be handled 53 * @param [in] data - metadata key=value entries 54 * @param [out] list - list of error association objects 55 */ 56 template <typename M> 57 void build(const std::string& match, 58 const std::vector<std::string>& data, 59 AssociationList& list) = delete; 60 61 // Example template specialization - we don't want to do anything 62 // for this metadata. 63 using namespace example::xyz::openbmc_project::Example::Elog; 64 template <> 65 inline void build<TestErrorTwo::DEV_ID>(const std::string& match, 66 const std::vector<std::string>& data, 67 AssociationList& list) 68 { 69 } 70 71 template <> 72 inline void build<example::xyz::openbmc_project:: 73 Example::Device::Callout::CALLOUT_DEVICE_PATH_TEST>( 74 const std::string& match, 75 const std::vector<std::string>& data, 76 AssociationList& list) 77 { 78 constexpr auto ROOT = "/xyz/openbmc_project/inventory"; 79 std::map<std::string, std::string> metadata; 80 parse(data, metadata); 81 auto iter = metadata.find(match); 82 if(metadata.end() != iter) 83 { 84 auto comp = [](const auto& first, const auto& second) 85 { 86 return (strcmp(std::get<0>(first), second) < 0); 87 }; 88 auto callout = std::lower_bound(callouts.begin(), 89 callouts.end(), 90 (iter->second).c_str(), 91 comp); 92 if((callouts.end() != callout) && 93 !strcmp((iter->second).c_str(), std::get<0>(*callout))) 94 { 95 list.push_back(std::make_tuple("callout", 96 "fault", 97 std::string(ROOT) + 98 std::get<1>(*callout))); 99 } 100 } 101 } 102 103 // The PROCESS_META flag is needed to get out of tree builds working. Such 104 // builds will have access only to internal error interfaces, hence handlers 105 // for out dbus error interfaces won't compile. This flag is not set by default, 106 // the phosphor-logging recipe enabled it. 107 #if defined PROCESS_META 108 109 template <> 110 void build<xyz::openbmc_project::Common:: 111 Callout::Device::CALLOUT_DEVICE_PATH>( 112 const std::string& match, 113 const std::vector<std::string>& data, 114 AssociationList& list); 115 116 #endif // PROCESS_META 117 118 119 } // namespace associations 120 } // namespace metadata 121 } // namespace logging 122 } // namespace phosphor 123