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Adapt QPluginWidget to the new loader interface

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This commit is contained in:
Christian Prochaska 2012-05-02 14:42:47 +02:00 committed by Norman Feske
parent cf9610a958
commit be5e3f92a4
7 changed files with 327 additions and 40 deletions
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142
qt4/run/qpluginwidget.run Normal file
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@ -0,0 +1,142 @@
#
# Build
#
build {
core
init
drivers/input/ps2
drivers/pci
drivers/framebuffer
drivers/timer
server/nitpicker
server/loader
server/tar_rom
test/nitpicker
test/qpluginwidget
}
create_boot_directory
#
# Generate config
#
set config {
<config>
<parent-provides>
<service name="ROM"/>
<service name="RAM"/>
<service name="IRQ"/>
<service name="IO_MEM"/>
<service name="IO_PORT"/>
<service name="CAP"/>
<service name="PD"/>
<service name="RM"/>
<service name="CPU"/>
<service name="LOG"/>
<service name="SIGNAL"/>
</parent-provides>
<default-route>
<any-service> <parent/> <any-child/> </any-service>
</default-route> }
append_if [have_spec sdl] config {
<start name="fb_sdl">
<resource name="RAM" quantum="4M"/>
<provides>
<service name="Input"/>
<service name="Framebuffer"/>
</provides>
</start>}
append_if [have_spec pci] config {
<start name="pci_drv">
<resource name="RAM" quantum="1M"/>
<provides><service name="PCI"/></provides>
</start>}
append_if [have_spec vesa] config {
<start name="vesa_drv">
<resource name="RAM" quantum="1M"/>
<provides><service name="Framebuffer"/></provides>
</start>}
append_if [have_spec pl11x] config {
<start name="pl11x_drv">
<resource name="RAM" quantum="2M"/>
<provides><service name="Framebuffer"/></provides>
</start>}
append_if [have_spec ps2] config {
<start name="ps2_drv">
<resource name="RAM" quantum="1M"/>
<provides><service name="Input"/></provides>
</start> }
append config {
<start name="timer">
<resource name="RAM" quantum="1M"/>
<provides><service name="Timer"/></provides>
</start>
<start name="nitpicker">
<resource name="RAM" quantum="1M"/>
<provides><service name="Nitpicker"/></provides>
</start>
<start name="loader">
<resource name="RAM" quantum="8M"/>
<provides><service name="Loader"/></provides>
</start>
<start name="test-qpluginwidget">
<resource name="RAM" quantum="30M"/>
</start>
</config>
}
install_config $config
#
# Boot modules
#
exec sh -c "ln -sf ../test/qpluginwidget/test-plugin.tar bin/"
# generic modules
set boot_modules {
core
init
timer
nitpicker
loader
tar_rom
testnit
test-qpluginwidget
dejavusans.lib.so
freetype.lib.so
ld.lib.so
libc.lib.so
libc_lock_pipe.lib.so
libm.lib.so
libpng.lib.so
jpeg.lib.so
qt_core.lib.so
qt_gui.lib.so
qt_network.lib.so
zlib.lib.so
qnitpickerviewwidget.lib.so
qpluginwidget.lib.so
test-plugin.tar
}
# platform-specific modules
lappend_if [have_spec linux] boot_modules fb_sdl
lappend_if [have_spec pci] boot_modules pci_drv
lappend_if [have_spec vesa] boot_modules vesa_drv
lappend_if [have_spec ps2] boot_modules ps2_drv
lappend_if [have_spec pl11x] boot_modules pl11x_drv
build_boot_image $boot_modules
append qemu_args " -m 128"
run_genode_until forever

160
qt4/src/lib/qpluginwidget/qpluginwidget.cpp
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@ -6,6 +6,7 @@
#include <base/env.h>
#include <dataspace/client.h>
#include <os/timed_semaphore.h>
#include <rom_session/connection.h>
#include <util/arg_string.h>
@ -19,6 +20,70 @@
QPluginWidget *QPluginWidget::_last = 0;
using namespace Genode;
const char *config = " \
<config> \
<parent-provides> \
<service name=\"CAP\"/> \
<service name=\"CPU\"/> \
<service name=\"LOG\"/> \
<service name=\"PD\"/> \
<service name=\"RAM\"/> \
<service name=\"RM\"/> \
<service name=\"ROM\"/> \
<service name=\"Timer\"/> \
<service name=\"Nitpicker\"/> \
</parent-provides> \
<default-route> \
<any-service> <parent/> <any-child/> </any-service> \
</default-route> \
<start name=\"tar_rom\"> \
<resource name=\"RAM\" quantum=\"1M\"/> \
<provides> <service name=\"ROM\"/> </provides> \
<config> \
<archive name=\"plugin.tar\"/> \
</config> \
</start> \
<start name=\"init\"> \
<resource name=\"RAM\" quantum=\"2G\"/> \
<configfile name=\"config.plugin\"/> \
<route> \
<service name=\"ROM\"> \
<if-arg key=\"filename\" value=\"config.plugin\" /> \
<child name=\"tar_rom\"/> \
</service> \
<any-service> <parent /> </any-service> \
</route> \
</start> \
</config> \
";
class Signal_wait_thread : public QThread
{
private:
Signal_receiver &_signal_receiver;
Timed_semaphore &_timeout_semaphore;
protected:
void run()
{
_signal_receiver.wait_for_signal();
_timeout_semaphore.up();
}
public:
Signal_wait_thread(Signal_receiver &signal_receiver, Timed_semaphore &timeout_semaphore)
: _signal_receiver(signal_receiver),
_timeout_semaphore(timeout_semaphore) { }
};
PluginStarter::PluginStarter(QUrl plugin_url, QString &args,
int max_width, int max_height)
: _plugin_url(plugin_url),
@ -43,22 +108,19 @@ void PluginStarter::_start_plugin(QString &file_name, QByteArray const &file_buf
PDBG("file_size_uncompressed = %u", file_size);
size_t ram_quota = Genode::Arg_string::find_arg(_args.constData(), "ram_quota").long_value(0) + file_size;
size_t ram_quota = Arg_string::find_arg(_args.constData(), "ram_quota").long_value(0) + file_size;
if ((long)Genode::env()->ram_session()->avail() - (long)ram_quota < QPluginWidget::RAM_QUOTA) {
if ((long)env()->ram_session()->avail() - (long)ram_quota < QPluginWidget::RAM_QUOTA) {
PERR("quota exceeded");
_plugin_loading_state = QUOTA_EXCEEDED_ERROR;
return;
}
QByteArray ram_quota_string("ram_quota=" + QByteArray::number((unsigned long long) ram_quota));
QByteArray ds_size_string("ds_size=" + QByteArray::number((unsigned long long)file_size));
QByteArray plugin_connection_args(ram_quota_string + "," + ds_size_string);
_pc = new Loader::Connection(plugin_connection_args.constData());
_pc = new Loader::Connection(ram_quota);
Genode::Dataspace_capability ds = _pc->dataspace();
Dataspace_capability ds = _pc->alloc_rom_module(file_name.toUtf8().constData(), file_size);
if (ds.valid()) {
void *ds_addr = Genode::env()->rm_session()->attach(ds);
void *ds_addr = env()->rm_session()->attach(ds);
z_stream zs;
zs.next_in = (Bytef*)(file_buf.data());
@ -76,7 +138,7 @@ void PluginStarter::_start_plugin(QString &file_name, QByteArray const &file_buf
_plugin_loading_state = INFLATE_ERROR;
inflateEnd(&zs);
Genode::env()->rm_session()->detach(ds_addr);
env()->rm_session()->detach(ds_addr);
return;
}
@ -86,45 +148,60 @@ void PluginStarter::_start_plugin(QString &file_name, QByteArray const &file_buf
_plugin_loading_state = INFLATE_ERROR;
inflateEnd(&zs);
Genode::env()->rm_session()->detach(ds_addr);
env()->rm_session()->detach(ds_addr);
return;
}
inflateEnd(&zs);
Genode::env()->rm_session()->detach(ds_addr);
env()->rm_session()->detach(ds_addr);
_pc->commit_rom_module(file_name.toUtf8().constData());
}
} else {
size_t ram_quota = Genode::Arg_string::find_arg(_args.constData(), "ram_quota").long_value(0);
size_t ram_quota = Arg_string::find_arg(_args.constData(), "ram_quota").long_value(0);
if ((long)Genode::env()->ram_session()->avail() - (long)ram_quota < QPluginWidget::RAM_QUOTA) {
if ((long)env()->ram_session()->avail() - (long)ram_quota < QPluginWidget::RAM_QUOTA) {
_plugin_loading_state = QUOTA_EXCEEDED_ERROR;
return;
}
QByteArray ram_quota_string("ram_quota=" + QByteArray::number((unsigned long long) ram_quota));
QByteArray ds_size_string("ds_size=" + QByteArray::number((unsigned long long)file_buf.size()));
QByteArray plugin_connection_args(ram_quota_string + "," + ds_size_string);
_pc = new Loader::Connection(plugin_connection_args.constData());
_pc = new Loader::Connection(ram_quota);
Genode::Dataspace_capability ds = _pc->dataspace();
if (ds.valid()) {
void *ds_addr = Genode::env()->rm_session()->attach(_pc->dataspace());
memcpy(ds_addr, file_buf.constData(), file_buf.size());
Genode::env()->rm_session()->detach(ds_addr);
Dataspace_capability plugin_ds = _pc->alloc_rom_module("plugin.tar", file_buf.size());
if (plugin_ds.valid()) {
void *plugin_ds_addr = env()->rm_session()->attach(plugin_ds);
::memcpy(plugin_ds_addr, file_buf.constData(), file_buf.size());
env()->rm_session()->detach(plugin_ds_addr);
_pc->commit_rom_module("plugin.tar");
}
}
try {
_pc->start(_args.constData(), _max_width, _max_height, 10000, file_name.toLatin1().constData());
_plugin_loading_state = LOADED;
} catch (Loader::Session::Rom_access_failed) {
_plugin_loading_state = ROM_CONNECTION_FAILED_EXCEPTION;
} catch (Loader::Session::Plugin_start_timed_out) {
_plugin_loading_state = TIMEOUT_EXCEPTION;
Dataspace_capability config_ds = _pc->alloc_rom_module("config", ::strlen(config) + 1);
if (config_ds.valid()) {
void *config_ds_addr = env()->rm_session()->attach(config_ds);
::memcpy(config_ds_addr, config, ::strlen(config) + 1);
env()->rm_session()->detach(config_ds_addr);
_pc->commit_rom_module("config");
}
Signal_receiver sig_rec;
Signal_context sig_ctx;
_pc->view_ready_sigh(sig_rec.manage(&sig_ctx));
_pc->constrain_geometry(_max_width, _max_height);
_pc->start("init", "init");
Timed_semaphore view_ready_semaphore;
Signal_wait_thread signal_wait_thread(sig_rec, view_ready_semaphore);
signal_wait_thread.start();
try {
view_ready_semaphore.down(10000);
_plugin_loading_state = LOADED;
} catch (Timeout_exception) {
_plugin_loading_state = TIMEOUT_EXCEPTION;
signal_wait_thread.terminate();
}
signal_wait_thread.wait();
}
@ -135,19 +212,19 @@ void PluginStarter::run()
QString file_name = _plugin_url.path().remove("/");
try {
Genode::Rom_connection rc(file_name.toLatin1().constData());
Rom_connection rc(file_name.toLatin1().constData());
Genode::Dataspace_capability rom_ds = rc.dataspace();
Dataspace_capability rom_ds = rc.dataspace();
char const *rom_ds_addr = (char const *)Genode::env()->rm_session()->attach(rom_ds);
char const *rom_ds_addr = (char const *)env()->rm_session()->attach(rom_ds);
QByteArray file_buf = QByteArray::fromRawData(rom_ds_addr, Genode::Dataspace_client(rom_ds).size());
QByteArray file_buf = QByteArray::fromRawData(rom_ds_addr, Dataspace_client(rom_ds).size());
_start_plugin(file_name, file_buf);
Genode::env()->rm_session()->detach(rom_ds_addr);
env()->rm_session()->detach(rom_ds_addr);
} catch (Genode::Rom_connection::Rom_connection_failed) {
} catch (Rom_connection::Rom_connection_failed) {
_plugin_loading_state = ROM_CONNECTION_FAILED_EXCEPTION;
}
@ -195,7 +272,12 @@ void PluginStarter::networkReplyFinished()
Nitpicker::View_capability PluginStarter::plugin_view(int *w, int *h, int *buf_x, int *buf_y)
{
return _pc->view(w, h, buf_x, buf_y);
Loader::Session::View_geometry geometry = _pc->view_geometry();
if (w) *w = geometry.width;
if (h) *h = geometry.height;
if (buf_x) *buf_x = geometry.buf_x;
if (buf_y) *buf_y = geometry.buf_y;
return _pc->view();
}
@ -242,8 +324,6 @@ void QPluginWidget::cleanup()
_plugin_starter->exit();
/* wait until the thread has left the run() function */
_plugin_starter->wait();
/* terminate the Genode thread */
_plugin_starter->terminate();
/* delete the QThread object */
delete _plugin_starter;
_plugin_starter = 0;

1
qt4/src/lib/qt4/src/corelib/thread/qthread_genode.cpp
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@ -341,6 +341,7 @@ void QThread::terminate()
d->genode_thread = 0;
d->terminated = true;
d->running = false;
}
}

13
qt4/src/test/qpluginwidget/config.plugin Normal file
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@ -0,0 +1,13 @@
<config>
<parent-provides>
<service name="LOG"/>
<service name="Timer"/>
<service name="Nitpicker"/>
</parent-provides>
<default-route>
<any-service> <parent/> <any-child/> </any-service>
</default-route>
<start name="testnit">
<resource name="RAM" quantum="1M"/>
</start>
</config>

30
qt4/src/test/qpluginwidget/main.cpp Normal file
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@ -0,0 +1,30 @@
/*
* \brief QPluginWidget test
* \author Christian Prochaska
* \date 2012-04-23
*/
/* Qt includes */
#include <QtGui>
#include <QApplication>
#include <qpluginwidget/qpluginwidget.h>
/* Qoost includes */
#include <qoost/compound_widget.h>
int main(int argc, char *argv[])
{
static QApplication app(argc, argv);
static Compound_widget<QWidget, QHBoxLayout> w;
static QString plugin_args("ram_quota=3M");
static QPluginWidget plugin_widget(&w, QUrl("rom:///test-plugin.tar"), plugin_args, 100, 100);
w.layout()->addWidget(&plugin_widget);
w.resize(150, 150);
w.show();
return app.exec();
}

4
qt4/src/test/qpluginwidget/qpluginwidget.pro Normal file
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@ -0,0 +1,4 @@
TEMPLATE = app
TARGET = test-qpluginwidget
QT = core gui
SOURCES += main.cpp

17
qt4/src/test/qpluginwidget/target.mk Normal file
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@ -0,0 +1,17 @@
# identify the qt4 repository by searching for a file that is unique for qt4
QT4_REP_DIR := $(call select_from_repositories,lib/import/import-qt4.inc)
QT4_REP_DIR := $(realpath $(dir $(QT4_REP_DIR))../..)
include $(QT4_REP_DIR)/src/app/tmpl/target_defaults.inc
include $(QT4_REP_DIR)/src/app/tmpl/target_final.inc
LIBS += qpluginwidget
$(TARGET): test-plugin.tar
test-plugin.tar: config.plugin
$(VERBOSE)tar cf $@ -C $(PRG_DIR) config.plugin
clean:
$(VERBOSE)rm test-plugin.tar