gNOI Cold Reboot - Integrated Rebootbackend changes

Author: rkavitha-hcl

src/sonic-framework/rebootbackend/interfaces.cpp

@@ -0,0 +1,71 @@
+#include "interfaces.h"
+
+#include <dbus-c++/dbus.h>  // DBus
+
+#include "reboot_interfaces.h"
+
+constexpr char kRebootBusName[] = "org.SONiC.HostService.reboot";
+constexpr char kRebootPath[] = "/org/SONiC/HostService/reboot";
+
+constexpr char kContainerShutdownBusName[] =
+    "org.SONiC.HostService.container_shutdown";
+constexpr char kContainerShutdownPath[] =
+    "/org/SONiC/HostService/container_shutdown";
+
+DBus::Connection& HostServiceDbus::getConnection(void) {
+  static DBus::Connection* connPtr = nullptr;
+  if (connPtr == nullptr) {
+    static DBus::BusDispatcher dispatcher;
+    DBus::default_dispatcher = &dispatcher;
+
+    static DBus::Connection conn = DBus::Connection::SystemBus();
+    connPtr = &conn;
+  }
+  return *connPtr;
+}
+
+DbusInterface::DbusResponse HostServiceDbus::Reboot(
+    const std::string& jsonRebootRequest) {
+  int32_t status;
+
+  DbusReboot reboot_client(getConnection(), kRebootBusName, kRebootPath);
+  std::string retString;
+  std::vector<std::string> options;
+  options.push_back(jsonRebootRequest);
+  try {
+    reboot_client.issue_reboot(options, status, retString);
+  } catch (DBus::Error& ex) {
+    return DbusResponse{
+        DbusStatus::DBUS_FAIL,
+        "HostServiceDbus::Reboot: failed to call reboot host service"};
+  }
+
+  // reboot.py returns 0 for success, 1 for failure
+  if (status == 0) {
+    // Successful reboot response is an empty string.
+    return DbusResponse{DbusStatus::DBUS_SUCCESS, ""};
+  }
+  return DbusResponse{DbusStatus::DBUS_FAIL, retString};
+}
+
+DbusInterface::DbusResponse HostServiceDbus::RebootStatus(
+    const std::string& jsonStatusRequest) {
+  DbusReboot reboot_client(getConnection(), kRebootBusName, kRebootPath);
+  int32_t status;
+  std::string retString;
+
+  try {
+    reboot_client.get_reboot_status(status, retString);
+  } catch (DBus::Error& ex) {
+    return DbusResponse{
+        DbusStatus::DBUS_FAIL,
+        "HostServiceDbus::RebootStatus: failed to call reboot status "
+        "host service"};
+  }
+
+  // reboot.py returns 0 for success, 1 for failure
+  if (status == 0) {
+    return DbusResponse{DbusStatus::DBUS_SUCCESS, retString};
+  }
+  return DbusResponse{DbusStatus::DBUS_FAIL, retString};
+}

src/sonic-framework/rebootbackend/interfaces.h

@@ -0,0 +1,27 @@
+#pragma once
+#include <dbus-c++/dbus.h>
+
+#include <string>
+
+#include "reboot_dbus.h"  // auto generated reboot_proxy
+#include "reboot_interfaces.h"
+
+class DbusReboot : public org::SONiC::HostService::reboot_proxy,
+                       public DBus::IntrospectableProxy,
+                       public DBus::ObjectProxy {
+ public:
+  DbusReboot(DBus::Connection& connection, const char* dbus_bus_name_p,
+                 const char* dbus_obj_name_p)
+      : DBus::ObjectProxy(connection, dbus_obj_name_p, dbus_bus_name_p) {}
+};
+
+class HostServiceDbus : public DbusInterface {
+ public:
+  DbusInterface::DbusResponse Reboot(
+      const std::string& json_reboot_request) override;
+  DbusInterface::DbusResponse RebootStatus(
+      const std::string& json_status_request) override;
+
+ private:
+  static DBus::Connection& getConnection(void);
+};

src/sonic-framework/rebootbackend/reboot.xml

@@ -0,0 +1,30 @@
+<?ignore
+XML representation of dbus interface created by: sonic-host-services/host_modules/reboot.py
+
+XML generated on switch by executing:
+   dbus-send --system --type=method_call --print-reply --dest=org.SONiC.HostService.reboot /org/SONiC/HostService/reboot org.freedesktop.DBus.Introspectable.Introspect
+
+C++ header file generated by:
+   sudo apt-get install libdbus-c++-dev
+   dbusxx-xml2cpp ./reboot.xml --proxy=reboot_dbus.h
+?>
+ 
+<node name="/org/SONiC/HostService/reboot">
+  <interface name="org.freedesktop.DBus.Introspectable">
+    <method name="Introspect">
+      <arg direction="out" type="s" />
+    </method>
+  </interface>
+  <interface name="org.SONiC.HostService.reboot">
+    <method name="issue_reboot">
+      <arg direction="in"  type="as" name="options" />
+      <arg direction="out" type="i" />
+      <arg direction="out" type="s" />
+    </method>
+    <method name="get_reboot_status">
+      <arg direction="out" type="i" />
+      <arg direction="out" type="s" />
+    </method>
+  </interface>
+</node>
+

src/sonic-framework/rebootbackend/reboot_common.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include <time.h>
+
+#include "status_code_util.h"
+
+namespace rebootbackend {
+
+extern bool sigterm_requested;
+struct NotificationResponse {
+  swss::StatusCode status;
+  std::string json_string;
+};
+
+}  // namespace rebootbackend

src/sonic-framework/rebootbackend/reboot_interfaces.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <string>
+
+class DbusInterface {
+ public:
+  enum class DbusStatus {
+    DBUS_SUCCESS,
+    DBUS_FAIL,
+  };
+
+  struct DbusResponse {
+    DbusStatus status;
+    std::string json_string;
+  };
+
+  virtual ~DbusInterface() = default;
+  virtual DbusResponse Reboot(const std::string& jsonRebootRequest) = 0;
+  virtual DbusResponse RebootStatus(const std::string& jsonStatusRequest) = 0;
+};