+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/*
+ * Author : Maxim Mamontov <faust@stargazer.dp.ua>
+ */
+
+#include "services_impl.h"
+
+#include "stg/admin.h"
+#include "stg/admin_conf.h"
+#include "stg/store.h"
+#include "stg/common.h"
+
+#include <algorithm>
+#include <cassert>
+
+using STG::ServicesImpl;
+
+//-----------------------------------------------------------------------------
+ServicesImpl::ServicesImpl(Store * st)
+ : store(st),
+ WriteServLog(Logger::get()),
+ searchDescriptors(),
+ handle(0)
+{
+Read();
+}
+//-----------------------------------------------------------------------------
+int ServicesImpl::Add(const ServiceConf & service, const Admin * admin)
+{
+std::lock_guard<std::mutex> lock(mutex);
+const auto& priv = admin->priv();
+
+if (!priv.serviceChg)
+ {
+ std::string s = admin->logStr() + " Add service \'" + service.name + "\'. Access denied.";
+ strError = "Access denied.";
+ WriteServLog(s.c_str());
+ return -1;
+ }
+
+iterator si(std::find(data.begin(), data.end(), service));
+
+if (si != data.end())
+ {
+ strError = "Service \'" + service.name + "\' cannot not be added. Service already exist.";
+ WriteServLog("%s %s", admin->logStr().c_str(), strError.c_str());
+
+ return -1;
+ }
+
+data.push_back(service);
+
+if (store->AddService(service.name) == 0)
+ {
+ WriteServLog("%s Service \'%s\' added.",
+ admin->logStr().c_str(), service.name.c_str());
+ return 0;
+ }
+
+strError = "Service \'" + service.name + "\' was not added. Error: " + store->GetStrError();
+WriteServLog("%s %s", admin->logStr().c_str(), strError.c_str());
+
+return -1;
+}
+//-----------------------------------------------------------------------------
+int ServicesImpl::Del(const std::string & name, const Admin * admin)
+{
+std::lock_guard<std::mutex> lock(mutex);
+const auto& priv = admin->priv();
+
+if (!priv.serviceChg)
+ {
+ std::string s = admin->logStr() + " Delete service \'" + name + "\'. Access denied.";
+ strError = "Access denied.";
+ WriteServLog(s.c_str());
+ return -1;
+ }
+
+iterator si(std::find(data.begin(), data.end(), ServiceConf(name)));
+
+if (si == data.end())
+ {
+ strError = "Service \'" + name + "\' cannot be deleted. Service does not exist.";
+ WriteServLog("%s %s", admin->logStr().c_str(), strError.c_str());
+ return -1;
+ }
+
+std::map<int, const_iterator>::iterator csi;
+csi = searchDescriptors.begin();
+while (csi != searchDescriptors.end())
+ {
+ if (csi->second == si)
+ (csi->second)++;
+ ++csi;
+ }
+
+data.erase(si);
+if (store->DelService(name) < 0)
+ {
+ strError = "Service \'" + name + "\' was not deleted. Error: " + store->GetStrError();
+ WriteServLog("%s %s", admin->logStr().c_str(), strError.c_str());
+
+ return -1;
+ }
+
+WriteServLog("%s Service \'%s\' deleted.", admin->logStr().c_str(), name.c_str());
+return 0;
+}
+//-----------------------------------------------------------------------------
+int ServicesImpl::Change(const ServiceConf & service, const Admin * admin)
+{
+std::lock_guard<std::mutex> lock(mutex);
+const auto& priv = admin->priv();
+
+if (!priv.serviceChg)
+ {
+ std::string s = admin->logStr() + " Change service \'" + service.name + "\'. Access denied.";
+ strError = "Access denied.";
+ WriteServLog(s.c_str());
+ return -1;
+ }
+
+iterator si(std::find(data.begin(), data.end(), service));
+
+if (si == data.end())
+ {
+ strError = "Service \'" + service.name + "\' cannot be changed " + ". Service does not exist.";
+ WriteServLog("%s %s", admin->logStr().c_str(), strError.c_str());
+ return -1;
+ }
+
+printfd(__FILE__, "Old cost = %f, old pay day = %u\n", si->cost, static_cast<unsigned>(si->payDay));
+*si = service;
+printfd(__FILE__, "New cost = %f, New pay day = %u\n", si->cost, static_cast<unsigned>(si->payDay));
+if (store->SaveService(service))
+ {
+ WriteServLog("Cannot write service %s.", service.name.c_str());
+ WriteServLog("%s", store->GetStrError().c_str());
+ return -1;
+ }
+
+WriteServLog("%s Service \'%s\' changed.",
+ admin->logStr().c_str(), service.name.c_str());
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+bool ServicesImpl::Read()
+{
+std::lock_guard<std::mutex> lock(mutex);
+std::vector<std::string> servicesList;
+if (store->GetServicesList(&servicesList) < 0)
+ {
+ WriteServLog(store->GetStrError().c_str());
+ return true;
+ }
+
+for (size_t i = 0; i < servicesList.size(); i++)
+ {
+ ServiceConf service;
+
+ if (store->RestoreService(&service, servicesList[i]))
+ {
+ WriteServLog(store->GetStrError().c_str());
+ return true;
+ }
+
+ data.push_back(service);
+ }
+return false;
+}
+//-----------------------------------------------------------------------------
+bool ServicesImpl::Find(const std::string & name, ServiceConf * service) const
+{
+assert(service != NULL && "Pointer to service is not null");
+
+std::lock_guard<std::mutex> lock(mutex);
+if (data.empty())
+ return true;
+
+const_iterator si(std::find(data.begin(), data.end(), ServiceConf(name)));
+
+if (si != data.end())
+ {
+ *service = *si;
+ return false;
+ }
+
+return true;
+}
+//-----------------------------------------------------------------------------
+bool ServicesImpl::Find(const std::string & name, ServiceConfOpt * service) const
+{
+assert(service != NULL && "Pointer to service is not null");
+
+std::lock_guard<std::mutex> lock(mutex);
+if (data.empty())
+ return true;
+
+const_iterator si(std::find(data.begin(), data.end(), ServiceConf(name)));
+
+if (si != data.end())
+ {
+ *service = *si;
+ return false;
+ }
+
+return true;
+}
+//-----------------------------------------------------------------------------
+bool ServicesImpl::Exists(const std::string & name) const
+{
+std::lock_guard<std::mutex> lock(mutex);
+if (data.empty())
+ {
+ printfd(__FILE__, "No services in the system!\n");
+ return true;
+ }
+
+const_iterator si(std::find(data.begin(), data.end(), ServiceConf(name)));
+
+if (si != data.end())
+ return true;
+
+return false;
+}
+//-----------------------------------------------------------------------------
+int ServicesImpl::OpenSearch() const
+{
+std::lock_guard<std::mutex> lock(mutex);
+handle++;
+searchDescriptors[handle] = data.begin();
+return handle;
+}
+//-----------------------------------------------------------------------------
+int ServicesImpl::SearchNext(int h, ServiceConf * service) const
+{
+std::lock_guard<std::mutex> lock(mutex);
+if (searchDescriptors.find(h) == searchDescriptors.end())
+ {
+ WriteServLog("SERVICES. Incorrect search handle.");
+ return -1;
+ }
+
+if (searchDescriptors[h] == data.end())
+ return -1;
+
+*service = *searchDescriptors[h]++;
+
+return 0;
+}
+//-----------------------------------------------------------------------------
+int ServicesImpl::CloseSearch(int h) const
+{
+std::lock_guard<std::mutex> lock(mutex);
+if (searchDescriptors.find(h) != searchDescriptors.end())
+ {
+ searchDescriptors.erase(searchDescriptors.find(h));
+ return 0;
+ }
+
+WriteServLog("SERVICES. Incorrect search handle.");
+return -1;
+}
+//-----------------------------------------------------------------------------