commit 1ef62c37a2eed8c78302a9e682a45c80e8c61dea
author Manojkiran Eda <manojkiran.eda@gmail.com> Sat Apr 24 07:23:18 2021 +0530
committer Manojkiran Eda <manojkiran.eda@gmail.com> Thu Nov 11 16:45:44 2021 +0530
tree 69b34ed47fff139354a62b4644f185149142d47e
parent 9a3c6eb1ec2616c41017bf98e4eefe7c9fc1b2d7

Add getSubtree utility functions

- Added getSubtree utility function that can returns
  the service name & dbus object paths that implement a
  particular dbus interface.

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: If1faeba285ce4de26d7343ca400f5820736bb3e0

common/utils.cpp

diff --git a/common/utils.cpp b/common/utils.cpp
index 20ff1d4..89b55d1 100644
--- a/common/utils.cpp
+++ b/common/utils.cpp
@@ -231,6 +231,21 @@
     return mapperResponse.begin()->first;
 }
 
+GetSubTreeResponse
+    DBusHandler::getSubtree(const std::string& searchPath, int depth,
+                            const std::vector<std::string>& ifaceList) const
+{
+
+    auto& bus = pldm::utils::DBusHandler::getBus();
+    auto method = bus.new_method_call(mapperBusName, mapperPath,
+                                      mapperInterface, "GetSubTree");
+    method.append(searchPath, depth, ifaceList);
+    auto reply = bus.call(method);
+    GetSubTreeResponse response;
+    reply.read(response);
+    return response;
+}
+
 void reportError(const char* errorMsg)
 {
     static constexpr auto logObjPath = "/xyz/openbmc_project/logging";

common/utils.hpp

diff --git a/common/utils.hpp b/common/utils.hpp
index 72170fb..c7c63ef 100644
--- a/common/utils.hpp
+++ b/common/utils.hpp
@@ -145,6 +145,11 @@
     std::pair<pldm::dbus::Interface,
               std::vector<std::pair<pldm::dbus::Property,
                                     std::variant<pldm::dbus::Property>>>>>;
+using ObjectPath = std::string;
+using ServiceName = std::string;
+using Interfaces = std::vector<std::string>;
+using MapperServiceMap = std::vector<std::pair<ServiceName, Interfaces>>;
+using GetSubTreeResponse = std::vector<std::pair<ObjectPath, MapperServiceMap>>;
 
 /**
  * @brief The interface for DBusHandler
@@ -156,6 +161,9 @@
 
     virtual std::string getService(const char* path,
                                    const char* interface) const = 0;
+    virtual GetSubTreeResponse
+        getSubtree(const std::string& path, int depth,
+                   const std::vector<std::string>& ifaceList) const = 0;
 
     virtual void setDbusProperty(const DBusMapping& dBusMap,
                                  const PropertyValue& value) const = 0;
@@ -197,6 +205,22 @@
     std::string getService(const char* path,
                            const char* interface) const override;
 
+    /**
+     *  @brief Get the Subtree response from the mapper
+     *
+     *  @param[in] path - DBUS object path
+     *  @param[in] depth - Search depth
+     *  @param[in] ifaceList - list of the interface that are being
+     *                         queried from the mapper
+     *
+     *  @return GetSubTreeResponse - the mapper subtree response
+     *
+     *  @throw sdbusplus::exception::exception when it fails
+     */
+    GetSubTreeResponse
+        getSubtree(const std::string& path, int depth,
+                   const std::vector<std::string>& ifaceList) const override;
+
     /** @brief Get property(type: variant) from the requested dbus
      *
      *  @param[in] objPath - The Dbus object path