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/*
* Copyright © 2016 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3, as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Ted Gould <ted.gould@canonical.com>
*/
#pragma once
#include "application.h"
#include "registry.h"
#include "signal-unsubscriber.h"
#include "string-util.h"
#include <core/signal.h>
#include <gio/gio.h>
#include <map>
#include <set>
namespace ubuntu
{
namespace app_launch
{
namespace jobs
{
namespace instance
{
class Base : public Application::Instance
{
public:
Base(const AppID& appId,
const std::string& job,
const std::string& instance,
const std::vector<Application::URL>& urls,
const std::shared_ptr<Registry>& registry);
virtual ~Base() = default;
bool isRunning() override;
bool hasPid(pid_t pid) override;
void pause() override;
void resume() override;
void focus() override;
const std::string& getInstanceId()
{
return instance_;
}
/* OOM Functions */
void setOomAdjustment(const oom::Score score) override;
const oom::Score getOomAdjustment() override;
protected:
/** Application ID */
const AppID appId_;
/** Upstart job name */
const std::string job_;
/** Instance ID environment value, empty if none */
const std::string instance_;
/** The URLs that this was launched for. Only valid on launched jobs, we
should look at perhaps changing that. */
std::vector<Application::URL> urls_;
/** A link to the registry we're using for connections */
std::shared_ptr<Registry> registry_;
std::vector<pid_t> forAllPids(std::function<void(pid_t)> eachPid);
static void pidListToDbus(const std::shared_ptr<Registry>& reg,
const AppID& appid,
const std::string& instanceid,
const std::vector<pid_t>& pids,
const std::string& signal);
static void signalToPid(pid_t pid, int signal);
static void oomValueToPid(pid_t pid, const oom::Score oomvalue);
static void oomValueToPidHelper(pid_t pid, const oom::Score oomvalue);
static std::string pidToOomPath(pid_t pid);
static GCharVUPtr urlsToStrv(const std::vector<Application::URL>& urls);
};
} // namespace instance
namespace manager
{
/** Flag for whether we should include the testing environment variables */
enum class launchMode
{
STANDARD, /**< Standard variable set */
TEST /**< Include testing environment vars */
};
class Base
{
public:
Base(const std::shared_ptr<Registry>& registry);
virtual ~Base();
virtual std::shared_ptr<Application::Instance> launch(
const AppID& appId,
const std::string& job,
const std::string& instance,
const std::vector<Application::URL>& urls,
launchMode mode,
std::function<std::list<std::pair<std::string, std::string>>(void)>& getenv) = 0;
virtual std::shared_ptr<Application::Instance> existing(const AppID& appId,
const std::string& job,
const std::string& instance,
const std::vector<Application::URL>& urls) = 0;
virtual std::list<std::shared_ptr<Application>> runningApps();
virtual std::list<std::shared_ptr<Helper>> runningHelpers(const Helper::Type& type);
virtual std::list<std::string> runningAppIds(const std::list<std::string>& jobs) = 0;
virtual std::vector<std::shared_ptr<instance::Base>> instances(const AppID& appID, const std::string& job) = 0;
const std::list<std::string>& getAllApplicationJobs() const;
static std::shared_ptr<Base> determineFactory(std::shared_ptr<Registry> registry);
/* Signals to apps */
virtual core::Signal<const std::shared_ptr<Application>&, const std::shared_ptr<Application::Instance>&>&
appStarted();
virtual core::Signal<const std::shared_ptr<Application>&, const std::shared_ptr<Application::Instance>&>&
appStopped();
virtual core::Signal<const std::shared_ptr<Application>&,
const std::shared_ptr<Application::Instance>&,
Registry::FailureType>&
appFailed();
virtual core::Signal<const std::shared_ptr<Application>&,
const std::shared_ptr<Application::Instance>&,
const std::vector<pid_t>&>&
appPaused();
virtual core::Signal<const std::shared_ptr<Application>&,
const std::shared_ptr<Application::Instance>&,
const std::vector<pid_t>&>&
appResumed();
/* Signals to helpers */
virtual core::Signal<const std::shared_ptr<Helper>&, const std::shared_ptr<Helper::Instance>&>& helperStarted(
Helper::Type type);
virtual core::Signal<const std::shared_ptr<Helper>&, const std::shared_ptr<Helper::Instance>&>& helperStopped(
Helper::Type type);
virtual core::Signal<const std::shared_ptr<Helper>&,
const std::shared_ptr<Helper::Instance>&,
Registry::FailureType>&
helperFailed(Helper::Type type);
/* Job signals from implementations */
virtual core::Signal<const std::string&, const std::string&, const std::string&>& jobStarted() = 0;
virtual core::Signal<const std::string&, const std::string&, const std::string&>& jobStopped() = 0;
virtual core::Signal<const std::string&, const std::string&, const std::string&, Registry::FailureType>&
jobFailed() = 0;
/* App manager */
virtual void setManager(std::shared_ptr<Registry::Manager> manager);
virtual void clearManager();
protected:
/** A link to the registry */
std::weak_ptr<Registry> registry_;
/** A set of all the job names used by applications */
std::list<std::string> allApplicationJobs_;
/** The DBus connection we're connecting to */
std::shared_ptr<GDBusConnection> dbus_;
/** Application manager instance */
std::shared_ptr<Registry::Manager> manager_;
private:
/** Signal object for applications started */
core::Signal<const std::shared_ptr<Application>&, const std::shared_ptr<Application::Instance>&> sig_appStarted;
/** Signal object for applications stopped */
core::Signal<const std::shared_ptr<Application>&, const std::shared_ptr<Application::Instance>&> sig_appStopped;
/** Signal object for applications failed */
core::Signal<const std::shared_ptr<Application>&,
const std::shared_ptr<Application::Instance>&,
Registry::FailureType>
sig_appFailed;
/** Signal object for applications paused */
core::Signal<const std::shared_ptr<Application>&,
const std::shared_ptr<Application::Instance>&,
const std::vector<pid_t>&>
sig_appPaused;
/** Signal object for applications resumed */
core::Signal<const std::shared_ptr<Application>&,
const std::shared_ptr<Application::Instance>&,
const std::vector<pid_t>&>
sig_appResumed;
std::map<std::string,
std::shared_ptr<core::Signal<const std::shared_ptr<Helper>&, const std::shared_ptr<Helper::Instance>&>>>
sig_helpersStarted;
std::map<std::string,
std::shared_ptr<core::Signal<const std::shared_ptr<Helper>&, const std::shared_ptr<Helper::Instance>&>>>
sig_helpersStopped;
std::map<std::string,
std::shared_ptr<core::Signal<const std::shared_ptr<Helper>&,
const std::shared_ptr<Helper::Instance>&,
Registry::FailureType>>>
sig_helpersFailed;
ManagedDBusSignalConnection handle_managerSignalFocus{
DBusSignalUnsubscriber{}}; /**< GDBus signal watcher handle for app focused signal */
ManagedDBusSignalConnection handle_managerSignalResume{
DBusSignalUnsubscriber{}}; /**< GDBus signal watcher handle for app resumed signal */
ManagedDBusSignalConnection handle_managerSignalStarting{
DBusSignalUnsubscriber{}}; /**< GDBus signal watcher handle for app starting signal */
ManagedDBusSignalConnection handle_appPaused{
DBusSignalUnsubscriber{}}; /**< GDBus signal watcher handle for app paused signal */
ManagedDBusSignalConnection handle_appResumed{
DBusSignalUnsubscriber{}}; /**< GDBus signal watcher handle for app resumed signal */
std::once_flag flag_managerSignals; /**< Variable to track to see if signal handlers are installed for the manager
signals of focused, resumed and starting */
std::once_flag flag_appStarted; /**< Variable to track to see if signal handlers are installed for application
started */
std::once_flag flag_appStopped; /**< Variable to track to see if signal handlers are installed for application
stopped */
std::once_flag
flag_appFailed; /**< Variable to track to see if signal handlers are installed for application failed */
std::once_flag
flag_appPaused; /**< Variable to track to see if signal handlers are installed for application paused */
std::once_flag flag_appResumed; /**< Variable to track to see if signal handlers are installed for application
resumed */
void pauseEventEmitted(core::Signal<const std::shared_ptr<Application>&,
const std::shared_ptr<Application::Instance>&,
const std::vector<pid_t>&>& signal,
const std::shared_ptr<GVariant>& params,
const std::shared_ptr<Registry>& reg);
static std::tuple<std::shared_ptr<Application>, std::shared_ptr<Application::Instance>> managerParams(
const std::shared_ptr<GVariant>& params, const std::shared_ptr<Registry>& reg);
static guint managerSignalHelper(const std::shared_ptr<Registry>& reg,
const std::string& signalname,
std::function<void(const std::shared_ptr<Registry>& reg,
const std::shared_ptr<Application>& app,
const std::shared_ptr<Application::Instance>& instance,
const std::shared_ptr<GDBusConnection>&,
const std::string&,
const std::shared_ptr<GVariant>&)> responsefunc);
};
} // namespace manager
} // namespace jobs
} // namespace app_launch
} // namespace ubuntu
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