Create initial BMC Item Updater

This is the initial BMC Item Updater.

Change-Id: I1c4f8ec94d7d35a0e03a363007b79414b20058ac
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>

7 files changed, 169 insertions, 2 deletions

diff --git a/.gitignore b/.gitignore
index f521e66..6bffc32 100644
--- a/.gitignore
+++ b/.gitignore
@@ -42,6 +42,7 @@ Makefile.in
 /config.status
 /phosphor-version-software-manager
 /phosphor-download-manager
+/phosphor-image-updater
 Makefile
 .deps
 /test/utest
diff --git a/Makefile.am b/Makefile.am
index 8bbf0c8..62e7ae5 100755
--- a/Makefile.am
+++ b/Makefile.am
@@ -6,11 +6,13 @@ noinst_HEADERS = \
 	download_manager.hpp \
 	watch.hpp \
 	version.hpp \
-	image_manager.hpp
+	image_manager.hpp \
+	item_updater.hpp
 
 sbin_PROGRAMS = \
 	phosphor-version-software-manager \
-	phosphor-download-manager
+	phosphor-download-manager \
+	phosphor-image-updater
 
 phosphor_version_software_manager_SOURCES = \
 	bmc_version.cpp \
@@ -32,6 +34,10 @@ phosphor_download_manager_SOURCES = \
 	download_manager.cpp \
 	download_manager_main.cpp
 
+phosphor_image_updater_SOURCES = \
+	item_updater.cpp \
+	item_updater_main.cpp
+
 generic_cxxflags = \
 	$(SYSTEMD_CFLAGS) \
 	$(PHOSPHOR_DBUS_INTERFACES_CFLAGS) \
@@ -56,5 +62,7 @@ phosphor_version_software_manager_CXXFLAGS = $(generic_cxxflags)
 phosphor_version_software_manager_LDFLAGS = $(generic_ldflags)
 phosphor_download_manager_CXXFLAGS = $(generic_cxxflags)
 phosphor_download_manager_LDFLAGS = $(generic_ldflags)
+phosphor_image_updater_CXXFLAGS = $(generic_cxxflags)
+phosphor_image_updater_LDFLAGS = $(generic_ldflags)
 
 SUBDIRS = test
diff --git a/activation.hpp b/activation.hpp
new file mode 100644
index 0000000..99ac986
--- /dev/null
+++ b/activation.hpp
@@ -0,0 +1,35 @@
+#pragma once
+
+#include <sdbusplus/bus.hpp>
+#include <xyz/openbmc_project/Software/Activation/server.hpp>
+
+namespace phosphor
+{
+namespace software
+{
+namespace updater
+{
+
+using ActivationInherit = sdbusplus::server::object::object<
+    sdbusplus::xyz::openbmc_project::Software::server::Activation>;
+
+/** @class Activation
+ *  @brief OpenBMC activation software management implementation.
+ *  @details A concrete implementation for
+ *  xyz.openbmc_project.Software.Activation DBus API.
+ */
+class Activation : public ActivationInherit
+{
+    public:
+        /** @brief Constructs Activation Software Manager
+         *
+         * @param[in] bus    - The Dbus bus object
+         * @param[in] path   - The Dbus object path
+         */
+        Activation(sdbusplus::bus::bus& bus, const std::string& path) :
+                   ActivationInherit(bus, path.c_str()) {};
+};
+
+} // namespace updater
+} // namespace software
+} // namespace phosphor
diff --git a/configure.ac b/configure.ac
index a446e9f..ce09489 100755
--- a/configure.ac
+++ b/configure.ac
@@ -72,6 +72,9 @@ AC_ARG_VAR(MANIFEST_FILE_NAME, [The name of the MANIFEST file])
 AS_IF([test "x$MANIFEST_FILE_NAME" == "x"], [MANIFEST_FILE_NAME="MANIFEST"])
 AC_DEFINE_UNQUOTED([MANIFEST_FILE_NAME], ["$MANIFEST_FILE_NAME"], [The name of the MANIFEST file])
 
+AC_DEFINE(BUSNAME_UPDATER, "xyz.openbmc_project.Software.BMC.Updater",
+    [The item updater DBus busname to own.])
+
 # Check for header files.
 AC_CHECK_HEADER(systemd/sd-bus.h, ,[AC_MSG_ERROR([Could not find systemd/sd-bus.h...systemd developement package required])])
 AC_CHECK_HEADER(sdbusplus/server.hpp, ,[AC_MSG_ERROR([Could not find sdbusplus/server.hpp...openbmc/sdbusplus package required])])
diff --git a/item_updater.cpp b/item_updater.cpp
new file mode 100644
index 0000000..f35a9a0
--- /dev/null
+++ b/item_updater.cpp
@@ -0,0 +1,28 @@
+#include <string>
+#include "item_updater.hpp"
+#include "config.h"
+
+namespace phosphor
+{
+namespace software
+{
+namespace updater
+{
+
+int ItemUpdater::createActivation(sd_bus_message* msg,
+                                  void* userData,
+                                  sd_bus_error* retErr)
+{
+    auto versionId = 1;
+    auto* updater = static_cast<ItemUpdater*>(userData);
+    updater->activations.insert(std::make_pair(
+            std::to_string(versionId),
+            std::make_unique<Activation>(
+                    updater->bus,
+                    SOFTWARE_OBJPATH)));
+    return 0;
+}
+
+} // namespace updater
+} // namespace software
+} // namespace phosphor
diff --git a/item_updater.hpp b/item_updater.hpp
new file mode 100644
index 0000000..1a36226
--- /dev/null
+++ b/item_updater.hpp
@@ -0,0 +1,69 @@
+#pragma once
+
+#include <sdbusplus/server.hpp>
+#include "activation.hpp"
+
+namespace phosphor
+{
+namespace software
+{
+namespace updater
+{
+
+/** @class ItemUpdater
+ *  @brief Manages the activation of the BMC version items.
+ */
+class ItemUpdater
+{
+    public:
+        ItemUpdater() = delete;
+        ~ItemUpdater() = default;
+        ItemUpdater(const ItemUpdater&) = delete;
+        ItemUpdater& operator=(const ItemUpdater&) = delete;
+        ItemUpdater(ItemUpdater&&) = delete;
+        ItemUpdater& operator=(ItemUpdater&&) = delete;
+
+        /** @brief Constructs ItemUpdater
+         *
+         * @param[in] bus    - The Dbus bus object
+         */
+        ItemUpdater(sdbusplus::bus::bus& bus) :
+                    bus(bus),
+                    versionMatch(
+                            bus,
+                           "type='signal',"
+                           "member='InterfacesAdded',"
+                           "path='/xyz/openbmc_project/software',"
+                           "interface='org.freedesktop.DBus.ObjectManager'",
+                            createActivation,
+                            this) {};
+
+    private:
+        /** @brief Callback function for Software.Version match.
+         *  @details Creates an Activation dbus object.
+         *
+         * @param[in]  msg       - Data associated with subscribed signal
+         * @param[in]  userData  - Pointer to this object instance
+         * @param[out] retError  - Required param
+         */
+        static int createActivation(sd_bus_message* msg,
+                                    void* userData,
+                                    sd_bus_error* retError);
+
+        /** @brief Persistent sdbusplus DBus bus connection. */
+        sdbusplus::bus::bus& bus;
+
+        /** @brief Persistent map of Activation dbus objects and their
+          * version id */
+        std::map<std::string, std::unique_ptr<Activation>> activations;
+
+        /** @brief sdbusplus signal match for Software.Version */
+        sdbusplus::server::match::match versionMatch;
+
+};
+
+
+
+} // namespace updater
+} // namespace software
+} // namespace phosphor
diff --git a/item_updater_main.cpp b/item_updater_main.cpp
new file mode 100644
index 0000000..8426e46
--- /dev/null
+++ b/item_updater_main.cpp
@@ -0,0 +1,23 @@
+#include <sdbusplus/bus.hpp>
+#include <sdbusplus/server/manager.hpp>
+#include "config.h"
+#include "item_updater.hpp"
+
+int main(int argc, char* argv[])
+{
+    auto bus = sdbusplus::bus::new_default();
+
+    // Add sdbusplus ObjectManager.
+    sdbusplus::server::manager::manager objManager(bus, SOFTWARE_OBJPATH);
+
+    phosphor::software::updater::ItemUpdater updater(bus);
+
+    bus.request_name(BUSNAME_UPDATER);
+
+    while (true)
+    {
+        bus.process_discard();
+        bus.wait();
+    }
+    return 0;
+}