Cashew: implement backend usage API

src/service_manager.cc

Index: src/service_manager.cc
diff --git a/src/service_manager.cc b/src/service_manager.cc
index 39f3c6d1d283d77c59bf4dea6823ea26cbe42e7d..4ca3348141462fae6949949f56b6033eb308d4e9 100644
--- a/src/service_manager.cc
+++ b/src/service_manager.cc
@@ -6,6 +6,7 @@
 
 #include <glog/logging.h>
 
+#include "src/cashew_server.h"
 #include "src/service.h"
 
 namespace cashew {
@@ -23,7 +24,7 @@ static const char* kTypeCellular = "cellular";
 ServiceManager::ServiceManager(DBus::Connection& connection)  // NOLINT
     : DBus::ObjectProxy(connection, kFlimflamManagerPath,
                         kFlimflamManagerName),
-      connection_(connection) {
+      connection_(connection), cashew_server_(NULL) {
   // init our state with a GetProperties() call to Flimflam
   // we'll update this state by monitoring PropertyChanged signals
   GetFlimflamServices();
@@ -43,6 +44,11 @@ const Service* ServiceManager::GetService(const std::string& service_path)
   return static_cast<const Service *>(it->second);
 }
 
+void ServiceManager::SetCashewServer(CashewServer *cashew_server) {
+  DLOG(INFO) << "SetCashewServer";
+  cashew_server_ = cashew_server;
+}
+
 // Flimflam Manager D-Bus Proxy methods
 
 void ServiceManager::PropertyChanged(const std::string& property_name,
@@ -68,6 +74,17 @@ void ServiceManager::StateChanged(const std::string& new_state) {
   // onFlimflamOnline() hooks.  If we care.
 }
 
+// Service methods
+
+void ServiceManager::EmitDataPlansUpdate(const Service& service) {
+  DLOG(INFO) << "EmitDataPlansUpdate: service = " << service.GetPath();
+  if (cashew_server_ == NULL) {
+    DLOG(WARNING) << "EmitDataPlansUpdate: no Cashew server";
+    return;
+  }
+  cashew_server_->EmitDataPlansUpdate(service);
+}
+
 // Private methods
 
 void ServiceManager::DeleteServices(ServiceMap *service_map) {
@@ -160,7 +177,7 @@ void ServiceManager::OnServicesUpdate(const ServicePathList& paths) {
 void ServiceManager::OnNewService(const DBus::Path& path) {
   DLOG(INFO) << "OnNewService: " << path;
   DCHECK(GetService(path) == NULL);
-  Service *service = new(std::nothrow) Service(connection_, path);
+  Service *service = new(std::nothrow) Service(this, connection_, path);
   if (service == NULL) {
     LOG(ERROR) << "OnNewService: couldn't create service for " << path;
     return;