[nemiver/profiler] WIP on the perf server

[Fabien Parent <fparent src gnome org>]

commit 4b88aeb9f5650f1e8b4822493d54a92a6edd43dd
Author: Fabien Parent <parent f gmail com>
Date:   Sun Jul 22 15:41:45 2012 +0200

    WIP on the perf server

 configure.ac                      |    2 +-
 src/profengine/Makefile.am        |   15 +++-
 src/profengine/nmv-perf-server.cc |  192 +++++++++++++++++++++++++++++++++++++
 3 files changed, 207 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 524264a..939edad 100644
--- a/configure.ac
+++ b/configure.ac
@@ -380,7 +380,7 @@ AC_SUBST(NEMIVERDBGPERSP_LIBS)
 AC_SUBST(NEMIVERDBGPERSP_CFLAGS)
 
 dnl library dependencies for the nemiver profiling perspective plugin
-PKG_CHECK_MODULES(NEMIVERPROFPERSP, $DEP_UICOMMON)
+PKG_CHECK_MODULES(NEMIVERPROFPERSP, $DEP_UICOMMON $DEP_VFS)
 NEMIVERPROFPERSP_LIBS="$NEMIVERPROFPERSP_LIBS $CPPUNIT_LIBS"
 NEMIVERPROFPERSP_CFLAGS="$NEMIVERPROFPERSP_CFLAGS $CPPUNIT_CFLAGS"
 
diff --git a/src/profengine/Makefile.am b/src/profengine/Makefile.am
index d59cc4b..e054917 100644
--- a/src/profengine/Makefile.am
+++ b/src/profengine/Makefile.am
@@ -34,5 +34,18 @@ $(abs_top_builddir)/src/common/libnemivercommon.la
 config_DATA=perfengine.conf
 configdir= NEMIVER_SYSTEM_CONFIG_DIR@
 
-INCLUDES= NEMIVERCOMMON_CFLAGS@ -DENABLE_NLS=1 -DDATADIR=\"${datadir}\" \
+bin_PROGRAMS=nmvperfserver
+nmvperfserver_SOURCES= $(h)/nmv-perf-server.cc
+nmvperfserver= NEMIVER_MODULES_DIR@
+nmvperfserver_LDADD= NEMIVERPROFPERSP_LIBS@ \
+$(abs_top_builddir)/src/common/libnemivercommon.la
+
+#service_DATA=org.gnome.nemiver.profiler.service.in
+#servicedir=
+
+#policy_DATA=org.gnome.nemiver.profiler.policy.in
+#policydir=
+
+INCLUDES= NEMIVERCOMMON_CFLAGS@ @NEMIVERPROFPERSP_CFLAGS@ \
+-DENABLE_NLS=1 -DDATADIR=\"${datadir}\" \
 -I$(top_srcdir)/src -I$(top_srcdir)/src/confmgr
diff --git a/src/profengine/nmv-perf-server.cc b/src/profengine/nmv-perf-server.cc
new file mode 100644
index 0000000..9325ffd
--- /dev/null
+++ b/src/profengine/nmv-perf-server.cc
@@ -0,0 +1,192 @@
+//Author: Fabien Parent
+/*
+ *This file is part of the Nemiver project
+ *
+ *Nemiver 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,
+ *or (at your option) any later version.
+ *
+ *Nemiver 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 Nemiver;
+ *see the file COPYING.
+ *If not, write to the Free Software Foundation,
+ *Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *See COPYRIGHT file copyright information.
+ */
+
+#include "common/nmv-namespace.h"
+#include "common/nmv-safe-ptr.h"
+#include "common/nmv-exception.h"
+
+#include <glibmm.h>
+#include <giomm.h>
+#include <glib/gi18n.h>
+
+#include <iostream>
+
+using nemiver::common::SafePtr;
+
+NEMIVER_BEGIN_NAMESPACE (nemiver)
+
+static const char *const NMV_BUS_NAME = "org.gnome.nemiver.profiler";
+static const char *const NMV_DBUS_PROFILER_SERVER_INTROSPECTION_DATA =
+    "<node>"
+    "  <interface name='org.gnome.nemiver.profilers'>"
+    "    <method name='AttachToPID'>"
+    "        <arg type='i' name='pid' direction='in' />"
+    "        <arg type='u' name='cookie' direction='in' />"
+    "        <arg type='as' name='arguments' direction='in' />"
+    "        <arg type='s' name='data_filepath' direction='out' />"
+    "    </method>"
+    "  </interface>"
+    "</node>";
+
+class PerfServer {
+
+    PerfServer (const PerfServer &);
+    PerfServer& operator= (const PerfServer &);
+
+    struct Priv;
+    SafePtr<Priv> m_priv;
+
+public:
+
+    PerfServer ();
+    ~PerfServer ();
+}; // end namespace PerfServer
+
+struct PerfServer::Priv {
+//    PolkitSubject *subject;
+    unsigned int bus_id;
+    unsigned int registration_id;
+    Glib::RefPtr<Gio::DBus::NodeInfo> introspection_data;
+    Gio::DBus::InterfaceVTable interface_vtable;
+
+    Priv () :
+//        subject (polkit_system_bus_name_new ("org.gnome.nemiver")),
+        bus_id (0),
+        registration_id (0),
+        introspection_data (0),
+        interface_vtable
+            (sigc::mem_fun (*this, &PerfServer::Priv::on_new_request))
+    {
+        init ();
+    }
+
+    void
+    on_new_request (const Glib::RefPtr<Gio::DBus::Connection>&,
+                    const Glib::ustring&,
+                    const Glib::ustring&,
+                    const Glib::ustring&,
+                    const Glib::ustring &a_request_name,
+                    const Glib::VariantContainerBase &a_parameters,
+                    const Glib::RefPtr<Gio::DBus::MethodInvocation>
+                        &a_invocation)
+    {
+        NEMIVER_TRY;
+
+        THROW_IF_FAIL (a_invocation);
+
+        if(a_request_name == "AttachToPID")
+        {
+            Glib::Variant<int> pid_param;
+            a_parameters.get_child (pid_param);
+
+            std::cout << "PID: " << pid_param.get () << std::endl;
+        }
+        else
+        {
+            Gio::DBus::Error error
+                (Gio::DBus::Error::UNKNOWN_METHOD, _("Invalid request"));
+            a_invocation->return_error (error);
+        }
+
+        NEMIVER_CATCH_NOX
+    }
+
+    void
+    init ()
+    {
+        introspection_data = Gio::DBus::NodeInfo::create_for_xml
+            (NMV_DBUS_PROFILER_SERVER_INTROSPECTION_DATA);
+
+        bus_id = Gio::DBus::own_name
+            (Gio::DBus::BUS_TYPE_SESSION,
+             NMV_BUS_NAME,
+             sigc::mem_fun(*this, &PerfServer::Priv::on_bus_acquired),
+             sigc::mem_fun(*this, &PerfServer::Priv::on_name_acquired),
+             sigc::mem_fun(*this, &PerfServer::Priv::on_name_lost));
+    }
+
+    void
+    on_bus_acquired(const Glib::RefPtr<Gio::DBus::Connection> &a_connection,
+                    const Glib::ustring&)
+    {
+        NEMIVER_TRY;
+
+        THROW_IF_FAIL (a_connection);
+        registration_id = a_connection->register_object
+            ("/org/gnome/nemiver/profiler",
+             introspection_data->lookup_interface(),
+             interface_vtable);
+
+        NEMIVER_CATCH_NOX;
+    }
+
+    void
+    on_name_acquired (const Glib::RefPtr<Gio::DBus::Connection>&,
+                      const Glib::ustring&)
+    {
+    }
+
+    void
+    on_name_lost (const Glib::RefPtr<Gio::DBus::Connection> &a_connection,
+                  const Glib::ustring&)
+    {
+        NEMIVER_TRY;
+
+        THROW_IF_FAIL (a_connection);
+        a_connection->unregister_object (registration_id);
+
+        NEMIVER_CATCH_NOX;
+    }
+};
+
+PerfServer::PerfServer () :
+    m_priv (new Priv)
+{
+}
+
+PerfServer::~PerfServer ()
+{
+}
+
+NEMIVER_END_NAMESPACE (nemiver)
+
+int main(int, char**)
+{
+    NEMIVER_TRY;
+
+    Glib::init ();
+    Gio::init ();
+
+    nemiver::PerfServer server;
+
+    Glib::RefPtr<Glib::MainLoop> loop = Glib::MainLoop::create ();
+    THROW_IF_FAIL (loop);
+    loop->run ();
+
+    NEMIVER_CATCH_NOX;
+
+    return 0;
+}
+