Add callback manager
Callback manager sets up matches and sets properties on
dbus.
Tested: used sensor override to make sensors assert
critical and warning interfaces and saw led change. also
caught a few buggy threshold settings using led.
Change-Id: I06c164b749febbc3e81cb3db5f7a0a2b72b3678f
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/callback-manager/.clang-format b/callback-manager/.clang-format
new file mode 100644
index 0000000..ea71ad6
--- /dev/null
+++ b/callback-manager/.clang-format
@@ -0,0 +1,99 @@
+---
+Language: Cpp
+# BasedOnStyle: LLVM
+AccessModifierOffset: -2
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlinesLeft: false
+AlignOperands: true
+AlignTrailingComments: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: None
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: true
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:
+ AfterClass: true
+ AfterControlStatement: true
+ AfterEnum: true
+ AfterFunction: true
+ AfterNamespace: true
+ AfterObjCDeclaration: true
+ AfterStruct: true
+ AfterUnion: true
+ BeforeCatch: true
+ BeforeElse: true
+ IndentBraces: false
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Custom
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: AfterColon
+ColumnLimit: 80
+CommentPragmas: '^ IWYU pragma:'
+ConstructorInitializerAllOnOneLineOrOnePerLine: false
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+PointerAlignment: Left
+DisableFormat: false
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros: [ foreach, Q_FOREACH, BOOST_FOREACH ]
+IncludeBlocks: Regroup
+IncludeCategories:
+ - Regex: '^[<"](gtest|gmock)'
+ Priority: 5
+ - Regex: '^"config.h"'
+ Priority: -1
+ - Regex: '^".*\.hpp"'
+ Priority: 1
+ - Regex: '^<.*\.h>'
+ Priority: 2
+ - Regex: '^<.*'
+ Priority: 3
+ - Regex: '.*'
+ Priority: 4
+IndentCaseLabels: true
+IndentWidth: 4
+IndentWrappedFunctionNames: true
+KeepEmptyLinesAtTheStartOfBlocks: true
+MacroBlockBegin: ''
+MacroBlockEnd: ''
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: true
+PenaltyBreakBeforeFirstCallParameter: 19
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 60
+ReflowComments: true
+SortIncludes: true
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 1
+SpacesInAngles: false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: Cpp11
+TabWidth: 4
+UseTab: Never
+...
+
diff --git a/callback-manager/.gitignore b/callback-manager/.gitignore
new file mode 100644
index 0000000..0cb1d79
--- /dev/null
+++ b/callback-manager/.gitignore
@@ -0,0 +1,3 @@
+build/*
+oe-logs
+oe-workdir
diff --git a/callback-manager/CMakeLists.txt b/callback-manager/CMakeLists.txt
new file mode 100644
index 0000000..80a3dcc
--- /dev/null
+++ b/callback-manager/CMakeLists.txt
@@ -0,0 +1,74 @@
+cmake_minimum_required (VERSION 3.1 FATAL_ERROR)
+set (BUILD_SHARED_LIBRARIES OFF)
+include (ExternalProject)
+set (CMAKE_CXX_STANDARD 17)
+set (CMAKE_CXX_STANDARD_REQUIRED ON)
+set (CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})
+set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-rtti")
+set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-rtti")
+
+option (YOCTO "Enable Building in Yocto" OFF)
+
+if (NOT YOCTO)
+ externalproject_add (
+ Boost URL
+ https://dl.bintray.com/boostorg/release/1.66.0/source/boost_1_66_0.tar.gz
+ URL_MD5 d275cd85b00022313c171f602db59fc5 SOURCE_DIR
+ "${CMAKE_BINARY_DIR}/boost-src" BINARY_DIR
+ "${CMAKE_BINARY_DIR}/boost-build" CONFIGURE_COMMAND "" BUILD_COMMAND ""
+ INSTALL_COMMAND mkdir -p "${CMAKE_BINARY_DIR}/prefix/include/" && cp -R
+ ${CMAKE_BINARY_DIR}/boost-src/boost ${CMAKE_BINARY_DIR}/prefix/include
+ ) # requires apt install autoconf-archive and autoconf
+ externalproject_add (sdbusplus-project PREFIX
+ ${CMAKE_BINARY_DIR}/sdbusplus-project GIT_REPOSITORY
+ https://github.com/openbmc/sdbusplus.git GIT_TAG
+ bed15f0cee4784acdf151cca14efdfb98cb9d397 SOURCE_DIR
+ ${CMAKE_BINARY_DIR}/sdbusplus-src BINARY_DIR
+ ${CMAKE_BINARY_DIR}/sdbusplus-build CONFIGURE_COMMAND
+ "" BUILD_COMMAND cd ${CMAKE_BINARY_DIR}/sdbusplus-src
+ && ./bootstrap.sh && ./configure --enable-transaction
+ && make -j libsdbusplus.la INSTALL_COMMAND ""
+ LOG_DOWNLOAD ON)
+
+ include_directories (${CMAKE_BINARY_DIR}/sdbusplus-src)
+ include_directories (${CMAKE_BINARY_DIR}/nlohmann/include)
+ include_directories (${CMAKE_BINARY_DIR}/nlohmann/include/nlohmann)
+ include_directories (${CMAKE_BINARY_DIR}/phosphor-dbus-interfaces/include)
+ link_directories (${CMAKE_BINARY_DIR}/sdbusplus-src/.libs)
+
+ include_directories (${CMAKE_BINARY_DIR}/boost-src)
+ set (CMAKE_PREFIX_PATH ${CMAKE_BINARY_DIR}/boost-src ${CMAKE_PREFIX_PATH})
+ option (ENABLE_TEST "Enable Google Test" OFF)
+ if (ENABLE_TEST)
+ hunter_add_package (GTest)
+ find_package (GTest CONFIG REQUIRED)
+ enable_testing ()
+ endif ()
+endif ()
+
+add_definitions (-DBOOST_ERROR_CODE_HEADER_ONLY)
+add_definitions (-DBOOST_SYSTEM_NO_DEPRECATED)
+add_definitions (-DBOOST_ALL_NO_LIB)
+add_definitions (-DBOOST_NO_RTTI)
+add_definitions (-DBOOST_NO_TYPEID)
+add_definitions (-DBOOST_ASIO_DISABLE_THREADS)
+
+include_directories (${CMAKE_CURRENT_SOURCE_DIR}/include)
+include_directories (${Boost_INCLUDE_DIRS})
+include_directories (${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+add_executable (callback-manager src/callback_manager.cpp)
+
+target_link_libraries (callback-manager -lsystemd)
+target_link_libraries (callback-manager stdc++fs)
+target_link_libraries (callback-manager ${Boost_LIBRARIES})
+target_link_libraries (callback-manager sdbusplus)
+
+if (NOT YOCTO)
+ add_dependencies (callback-manager sdbusplus-project)
+endif ()
+
+set (SERVICE_FILES ${PROJECT_SOURCE_DIR}/service_files/callback-manager.service)
+
+install (TARGETS callback-manager DESTINATION sbin)
+install (FILES ${SERVICE_FILES} DESTINATION /lib/systemd/system/)
diff --git a/callback-manager/LICENCE b/callback-manager/LICENCE
new file mode 100644
index 0000000..729f4d4
--- /dev/null
+++ b/callback-manager/LICENCE
@@ -0,0 +1,13 @@
+Copyright 2019 Intel Corporation
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
diff --git a/callback-manager/cmake-format.json b/callback-manager/cmake-format.json
new file mode 100644
index 0000000..4a68fb7
--- /dev/null
+++ b/callback-manager/cmake-format.json
@@ -0,0 +1,13 @@
+{
+ "enum_char": ".",
+ "line_ending": "unix",
+ "bullet_char": "*",
+ "max_subargs_per_line": 99,
+ "command_case": "lower",
+ "tab_size": 4,
+ "line_width": 80,
+ "separate_fn_name_with_space": true,
+ "dangle_parens": true,
+ "separate_ctrl_name_with_space": true
+}
+
diff --git a/callback-manager/service_files/callback-manager.service b/callback-manager/service_files/callback-manager.service
new file mode 100644
index 0000000..b6abae3
--- /dev/null
+++ b/callback-manager/service_files/callback-manager.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Callback Manager
+StopWhenUnneeded=false
+
+[Service]
+Type=dbus
+BusName=xyz.openbmc_project.CallbackManager
+Restart=always
+RestartSec=5
+ExecStart=/usr/sbin/callback-manager
+
+[Install]
+WantedBy=multi-user.target
diff --git a/callback-manager/src/callback_manager.cpp b/callback-manager/src/callback_manager.cpp
new file mode 100644
index 0000000..706c607
--- /dev/null
+++ b/callback-manager/src/callback_manager.cpp
@@ -0,0 +1,202 @@
+/*
+// Copyright (c) 2019 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+#include <boost/container/flat_map.hpp>
+#include <iostream>
+#include <sdbusplus/asio/connection.hpp>
+#include <sdbusplus/asio/object_server.hpp>
+#include <variant>
+
+constexpr const char* fatalLedPath =
+ "/xyz/openbmc_project/led/groups/status_critical";
+constexpr const char* criticalLedPath =
+ "/xyz/openbmc_project/led/groups/status_non_critical";
+constexpr const char* warningLedPath =
+ "/xyz/openbmc_project/led/groups/status_degraded";
+
+constexpr const char* ledIface = "xyz.openbmc_project.Led.Group";
+constexpr const char* ledAssertProp = "Asserted";
+constexpr const char* ledManagerBusname =
+ "xyz.openbmc_project.LED.GroupManager";
+
+std::shared_ptr<sdbusplus::asio::dbus_interface> assertedIface = nullptr;
+
+constexpr const bool debug = false;
+
+// final led state tracking
+bool fatalState = false;
+bool criticalState = false;
+bool warnState = false;
+
+// maps of <object-path, <property, asserted>>
+boost::container::flat_map<std::string,
+ boost::container::flat_map<std::string, bool>>
+ fatalAssertMap;
+boost::container::flat_map<std::string,
+ boost::container::flat_map<std::string, bool>>
+ criticalAssertMap;
+boost::container::flat_map<std::string,
+ boost::container::flat_map<std::string, bool>>
+ warningAssertMap;
+
+std::vector<std::string> assertedInMap(
+ const boost::container::flat_map<
+ std::string, boost::container::flat_map<std::string, bool>>& map)
+{
+ std::vector<std::string> ret;
+ // if any of the properties are true, return true
+ for (const auto& pair : map)
+ {
+ for (const auto& item : pair.second)
+ {
+ if (item.second)
+ {
+ ret.push_back(pair.first);
+ }
+ }
+ }
+ return ret;
+}
+
+void updateLedStatus(std::shared_ptr<sdbusplus::asio::connection>& conn)
+{
+ std::vector<std::pair<std::string, std::variant<bool>>> ledsToSet;
+
+ std::vector<std::string> assertedVector = assertedInMap(fatalAssertMap);
+ assertedIface->set_property("Fatal", assertedVector);
+
+ bool fatal = assertedVector.size();
+ if (fatal != fatalState)
+ {
+ fatalState = fatal;
+ ledsToSet.push_back(std::make_pair(fatalLedPath, fatalState));
+ }
+
+ assertedVector = assertedInMap(criticalAssertMap);
+ assertedIface->set_property("Critical", assertedVector);
+
+ bool critical = assertedVector.size();
+ if (critical != criticalState)
+ {
+ criticalState = critical;
+ ledsToSet.push_back(std::make_pair(criticalLedPath, criticalState));
+ }
+
+ assertedVector = assertedInMap(warningAssertMap);
+ assertedIface->set_property("Warning", assertedVector);
+
+ bool warn = assertedVector.size();
+ if (warn != warnState)
+ {
+ warnState = warn;
+ ledsToSet.push_back(std::make_pair(warningLedPath, warnState));
+ }
+
+ for (const auto& ledPair : ledsToSet)
+ {
+ conn->async_method_call(
+ [ledPair](const boost::system::error_code ec) {
+ if (ec)
+ {
+ std::cerr << "Cannot set " << ledPair.first << " to "
+ << std::boolalpha
+ << std::get<bool>(ledPair.second) << "\n";
+ }
+ if constexpr (debug)
+ {
+ std::cerr << "Set " << ledPair.first << " to "
+ << std::boolalpha
+ << std::get<bool>(ledPair.second) << "\n";
+ }
+ },
+ ledManagerBusname, ledPair.first, "org.freedesktop.DBus.Properties",
+ "Set", ledIface, ledAssertProp, ledPair.second);
+ }
+}
+
+void createThresholdMatch(std::shared_ptr<sdbusplus::asio::connection>& conn)
+{
+ static std::unique_ptr<sdbusplus::bus::match::match> match = nullptr;
+
+ std::function<void(sdbusplus::message::message&)> thresholdCallback =
+ [&conn](sdbusplus::message::message& message) {
+ std::string objectName;
+ boost::container::flat_map<std::string, std::variant<bool>> values;
+ message.read(objectName, values);
+
+ if constexpr (debug)
+ {
+ std::cerr << "Threshold callback " << message.get_path()
+ << "\n";
+ }
+
+ auto findCriticalLow = values.find("CriticalAlarmLow");
+ auto findCriticalHigh = values.find("CriticalAlarmHigh");
+
+ auto findWarnLow = values.find("WarningAlarmLow");
+ auto findWarnHigh = values.find("WarningAlarmHigh");
+
+ if (findCriticalLow != values.end())
+ {
+ criticalAssertMap[message.get_path()]["Low"] =
+ std::get<bool>(findCriticalLow->second);
+ }
+ if (findCriticalHigh != values.end())
+ {
+ criticalAssertMap[message.get_path()]["High"] =
+ std::get<bool>(findCriticalHigh->second);
+ }
+ if (findWarnLow != values.end())
+ {
+ warningAssertMap[message.get_path()]["Low"] =
+ std::get<bool>(findWarnLow->second);
+ }
+ if (findWarnHigh != values.end())
+ {
+ warningAssertMap[message.get_path()]["High"] =
+ std::get<bool>(findWarnHigh->second);
+ }
+ updateLedStatus(conn);
+ };
+
+ match = std::make_unique<sdbusplus::bus::match::match>(
+ static_cast<sdbusplus::bus::bus&>(*conn),
+ "type='signal',interface='org.freedesktop.DBus.Properties',path_"
+ "namespace='/xyz/openbmc_project/"
+ "sensors',arg0namespace='xyz.openbmc_project.Sensor.Threshold'",
+ thresholdCallback);
+}
+
+int main(int argc, char** argv)
+{
+ boost::asio::io_service io;
+ auto conn = std::make_shared<sdbusplus::asio::connection>(io);
+ conn->request_name("xyz.openbmc_project.CallbackManager");
+ sdbusplus::asio::object_server objServer(conn);
+ assertedIface =
+ objServer.add_interface("/xyz/openbmc_project/CallbackManager",
+ "xyz.openbmc_project.CallbackManager");
+ assertedIface->register_property("Warning", std::vector<std::string>());
+ assertedIface->register_property("Critical", std::vector<std::string>());
+ assertedIface->register_property("Fatal", std::vector<std::string>());
+ assertedIface->initialize();
+
+ createThresholdMatch(conn);
+
+ io.run();
+
+ return 0;
+}