diff options
Diffstat (limited to 'meta-openbmc-mods/meta-common/recipes-phosphor/interfaces/bmcweb/eventservice/0006-Add-EventService-SSE-filter-support.patch')
| -rw-r--r-- | meta-openbmc-mods/meta-common/recipes-phosphor/interfaces/bmcweb/eventservice/0006-Add-EventService-SSE-filter-support.patch | 326 |
1 files changed, 326 insertions, 0 deletions
diff --git a/meta-openbmc-mods/meta-common/recipes-phosphor/interfaces/bmcweb/eventservice/0006-Add-EventService-SSE-filter-support.patch b/meta-openbmc-mods/meta-common/recipes-phosphor/interfaces/bmcweb/eventservice/0006-Add-EventService-SSE-filter-support.patch new file mode 100644 index 000000000..816456cec --- /dev/null +++ b/meta-openbmc-mods/meta-common/recipes-phosphor/interfaces/bmcweb/eventservice/0006-Add-EventService-SSE-filter-support.patch @@ -0,0 +1,326 @@ +From e207fca58bf0d05b160ea6735f4f576737d7a9cb Mon Sep 17 00:00:00 2001 +From: AppaRao Puli <apparao.puli@linux.intel.com> +Date: Wed, 17 Mar 2021 01:16:50 +0000 +Subject: [PATCH] Add EventService SSE filter support + +This commit implements the Event Service SSE stream +filters support. As per redfish specification: +The SSE streams have these formats: + - Metric report SSE stream + - Event message SSE stream + +To reduce the amount of data, service supports $filter +query parameter in SSE URI. +Below properties support as filter criteria: + - EventFormatType( Event & MetricReport) + - MessageId + - RegistryPrefix + - MetricReportDefinition + +For more details, refer Redfish specification section 13.5.2 + +Tested: + Created SSE stream with different filters and observed + desired events on SSE stream client(browser), some examples + - To get all Redfish events, + URI: /redfish/v1/EventService/Subscriptions/SSE?$filter=(EventFormatType%20eq%20Event) + - To get Redfish events with RegistryPrefix "OpenBMC" + URI: /redfish/v1/EventService/Subscriptions/SSE?$filter=(RegistryPrefix%20eq%20OpenBMC) + - To get only DC power of Events, + URI: /redfish/v1/EventService/Subscriptions/SSE?$filter=(EventFormatType%20eq%20Event)%20and%20(MessageId%20eq%20DCPowerOff) + +Signed-off-by: AppaRao Puli <apparao.puli@linux.intel.com> +Signed-off-by: P Dheeraj Srujan Kumar <p.dheeraj.srujan.kumar@intel.com> +Change-Id: I55c6f53bb5e57aa1f2d1601f1a16525a33b13bd2 +--- + include/eventservice_sse.hpp | 172 +++++++++++++++++- + redfish-core/include/error_messages.hpp | 9 + + .../include/event_service_manager.hpp | 5 + + redfish-core/lib/event_service.hpp | 5 - + redfish-core/src/error_messages.cpp | 27 +++ + 5 files changed, 209 insertions(+), 9 deletions(-) + +diff --git a/include/eventservice_sse.hpp b/include/eventservice_sse.hpp +index 14daf00..5847766 100644 +--- a/include/eventservice_sse.hpp ++++ b/include/eventservice_sse.hpp +@@ -21,18 +21,182 @@ static bool createSubscription(std::shared_ptr<crow::SseConnection>& conn, + res.end(); + return false; + } ++#ifdef NEW_BOOST_URL ++ BMCWEB_LOG_DEBUG << "Request query param size: " ++ << req.urlView.params().size(); ++ ++ // EventService SSE supports only "$filter" query param. ++ if (req.urlView.params().size() > 1) ++ { ++ messages::invalidQueryFilter(res); ++ res.end(); ++ return false; ++ } ++ std::string eventFormatType; ++ std::string queryFilters; ++ if (req.urlView.params().size()) ++ { ++ boost::urls::params_view::iterator it = ++ req.urlView.params().find("$filter"); ++ if (it == req.urlView.params().end()) ++ { ++ messages::invalidQueryFilter(res); ++ res.end(); ++ return false; ++ } ++ queryFilters = std::string((*it).value); ++ } ++ else ++ { ++ eventFormatType = "Event"; ++ } ++#else + BMCWEB_LOG_DEBUG << "Request query param size: " << req.urlParams.size(); + ++ // EventService SSE supports only "$filter" query param. ++ if (req.urlParams.size() > 1) ++ { ++ messages::invalidQueryFilter(res); ++ res.end(); ++ return false; ++ } ++ std::string eventFormatType; ++ std::string queryFilters; ++ if (req.urlParams.size()) ++ { ++ boost::urls::query_params_view::iterator it = ++ req.urlParams.find("$filter"); ++ if (it == req.urlParams.end()) ++ { ++ messages::invalidQueryFilter(res); ++ res.end(); ++ return false; ++ } ++ queryFilters = it->value(); ++ } ++ else ++ { ++ eventFormatType = "Event"; ++ } ++#endif ++ ++ std::vector<std::string> msgIds; ++ std::vector<std::string> regPrefixes; ++ std::vector<std::string> mrdsArray; ++ if (!queryFilters.empty()) ++ { ++ // Reading from query params. ++ bool status = readSSEQueryParams(queryFilters, eventFormatType, msgIds, ++ regPrefixes, mrdsArray); ++ if (!status) ++ { ++ messages::invalidQueryFilter(res); ++ res.end(); ++ return false; ++ } ++ ++ // RegsitryPrefix and messageIds are mutuly exclusive as per redfish ++ // specification. ++ if (!regPrefixes.empty() && !msgIds.empty()) ++ { ++ messages::propertyValueConflict(res, "RegistryPrefix", "MessageId"); ++ res.end(); ++ return false; ++ } ++ ++ if (!eventFormatType.empty()) ++ { ++ if (std::find(supportedEvtFormatTypes.begin(), ++ supportedEvtFormatTypes.end(), ++ eventFormatType) == supportedEvtFormatTypes.end()) ++ { ++ messages::propertyValueNotInList(res, eventFormatType, ++ "EventFormatType"); ++ res.end(); ++ return false; ++ } ++ } ++ else ++ { ++ // If nothing specified, using default "Event" ++ eventFormatType = "Event"; ++ } ++ ++ if (!regPrefixes.empty()) ++ { ++ for (const std::string& it : regPrefixes) ++ { ++ if (std::find(supportedRegPrefixes.begin(), ++ supportedRegPrefixes.end(), ++ it) == supportedRegPrefixes.end()) ++ { ++ messages::propertyValueNotInList(res, it, "RegistryPrefix"); ++ res.end(); ++ return false; ++ } ++ } ++ } ++ ++ if (!msgIds.empty()) ++ { ++ std::vector<std::string> registryPrefix; ++ ++ // If no registry prefixes are mentioned, consider all supported ++ // prefixes to validate message ID ++ if (regPrefixes.empty()) ++ { ++ registryPrefix.assign(supportedRegPrefixes.begin(), ++ supportedRegPrefixes.end()); ++ } ++ else ++ { ++ registryPrefix = regPrefixes; ++ } ++ ++ for (const std::string& id : msgIds) ++ { ++ bool validId = false; ++ ++ // Check for Message ID in each of the selected Registry ++ for (const std::string& it : registryPrefix) ++ { ++ const std::span<const redfish::registries::MessageEntry> ++ registry = ++ redfish::registries::getRegistryFromPrefix(it); ++ ++ if (std::any_of( ++ registry.begin(), registry.end(), ++ [&id](const redfish::registries::MessageEntry& ++ messageEntry) { ++ return !id.compare(messageEntry.first); ++ })) ++ { ++ validId = true; ++ break; ++ } ++ } ++ ++ if (!validId) ++ { ++ messages::propertyValueNotInList(res, id, "MessageIds"); ++ res.end(); ++ return false; ++ } ++ } ++ } ++ } ++ + std::shared_ptr<redfish::Subscription> subValue = + std::make_shared<redfish::Subscription>(std::move(conn)); + + // GET on this URI means, Its SSE subscriptionType. +- subValue->subscriptionType = redfish::subscriptionTypeSSE; +- +- // TODO: parse $filter query params and fill config. ++ subValue->subscriptionType = subscriptionTypeSSE; + subValue->protocol = "Redfish"; + subValue->retryPolicy = "TerminateAfterRetries"; +- subValue->eventFormatType = "Event"; ++ subValue->eventFormatType = eventFormatType; ++ subValue->registryMsgIds = msgIds; ++ subValue->registryPrefixes = regPrefixes; ++ subValue->metricReportDefinitions = mrdsArray; + + std::string id = + redfish::EventServiceManager::getInstance().addSubscription(subValue, +diff --git a/redfish-core/include/error_messages.hpp b/redfish-core/include/error_messages.hpp +index b3b2305..9b3ee49 100644 +--- a/redfish-core/include/error_messages.hpp ++++ b/redfish-core/include/error_messages.hpp +@@ -980,6 +980,15 @@ nlohmann::json invalidUpload(std::string_view arg1, std::string_view arg2); + void invalidUpload(crow::Response& res, std::string_view arg1, + std::string_view arg2); + ++/** ++ * @brief Formats InvalidQueryFilter message into JSON ++ * Message body: "The requested URL contains the invalid query filters" ++ * ++ * @returns Message InvalidQueryFilter formatted to JSON */ ++nlohmann::json invalidQueryFilter(); ++ ++void invalidQueryFilter(crow::Response& res); ++ + } // namespace messages + + } // namespace redfish +diff --git a/redfish-core/include/event_service_manager.hpp b/redfish-core/include/event_service_manager.hpp +index c64bb59..e03dd9b 100644 +--- a/redfish-core/include/event_service_manager.hpp ++++ b/redfish-core/include/event_service_manager.hpp +@@ -57,6 +57,11 @@ static constexpr const char* eventServiceFile = + static constexpr const uint8_t maxNoOfSubscriptions = 20; + static constexpr const uint8_t maxNoOfSSESubscriptions = 10; + ++static constexpr const std::array<const char*, 2> supportedEvtFormatTypes = { ++ eventFormatType, metricReportFormatType}; ++static constexpr const std::array<const char*, 2> supportedRegPrefixes = { ++ "OpenBMC", "TaskEvent"}; ++ + #ifndef BMCWEB_ENABLE_REDFISH_DBUS_LOG_ENTRIES + static std::optional<boost::asio::posix::stream_descriptor> inotifyConn; + static constexpr const char* redfishEventLogDir = "/var/log"; +diff --git a/redfish-core/lib/event_service.hpp b/redfish-core/lib/event_service.hpp +index 2181346..e9ee78f 100644 +--- a/redfish-core/lib/event_service.hpp ++++ b/redfish-core/lib/event_service.hpp +@@ -24,11 +24,6 @@ + + namespace redfish + { +- +-static constexpr const std::array<const char*, 2> supportedEvtFormatTypes = { +- eventFormatType, metricReportFormatType}; +-static constexpr const std::array<const char*, 3> supportedRegPrefixes = { +- "Base", "OpenBMC", "TaskEvent"}; + static constexpr const std::array<const char*, 3> supportedRetryPolicies = { + "TerminateAfterRetries", "SuspendRetries", "RetryForever"}; + +diff --git a/redfish-core/src/error_messages.cpp b/redfish-core/src/error_messages.cpp +index 381b8a9..cad145a 100644 +--- a/redfish-core/src/error_messages.cpp ++++ b/redfish-core/src/error_messages.cpp +@@ -1668,6 +1668,33 @@ nlohmann::json invalidUpload(std::string_view arg1, std::string_view arg2) + {"MessageSeverity", "Warning"}, + {"Resolution", "None."}}; + } ++ ++/** ++ * @internal ++ * @brief Formats InvalidQueryFilter into JSON ++ * ++ * See header file for more information ++ * @endinternal ++ */ ++nlohmann::json invalidQueryFilter() ++{ ++ return nlohmann::json{ ++ {"@odata.type", "#Message.v1_0_0.Message"}, ++ {"MessageId", "Base.1.5.0.InvalidQueryFilter"}, ++ {"Message", "The requested url contains the invalid query filter."}, ++ {"MessageArgs", nlohmann::json::array()}, ++ {"Severity", "Warning"}, ++ {"Resolution", ++ "Ensure the correct query filter is specified in requested url " ++ "and resubmit the request."}}; ++} ++ ++void invalidQueryFilter(crow::Response& res) ++{ ++ res.result(boost::beast::http::status::bad_request); ++ addMessageToErrorJson(res.jsonValue, invalidQueryFilter()); ++} ++ + } // namespace messages + + } // namespace redfish +-- +2.25.1 + |