genode/repos/gems/src/app/depot_download_manager/gen_depot_query.cc

101 lines
3.1 KiB
C++

/*
* \brief XML configuration for the depot-query tool
* \author Norman Feske
* \date 2017-12-08
*/
/*
* Copyright (C) 2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#include "xml.h"
void Depot_download_manager::gen_depot_query_start_content(Xml_generator &xml,
Xml_node installation,
Archive::User const &next_user,
Depot_query_version version,
List_model<Job> const &jobs)
{
gen_common_start_content(xml, "depot_query",
Cap_quota{100}, Ram_quota{2*1024*1024});
xml.node("config", [&] () {
xml.attribute("version", version.value);
typedef String<32> Arch;
xml.attribute("arch", installation.attribute_value("arch", Arch()));
xml.node("vfs", [&] () {
xml.node("dir", [&] () {
xml.attribute("name", "depot");
xml.node("fs", [&] () {
xml.attribute("label", "depot"); });
});
});
/*
* Filter out failed parts of the installation from being re-queried.
* The inclusion of those parts may otherwise result in an infinite
* loop if the installation is downloaded from a mix of depot users.
*/
auto job_failed = [&] (Xml_node node)
{
Archive::Path const path = node.attribute_value("path", Archive::Path());
bool failed = false;
jobs.for_each([&] (Job const &job) {
if (job.path == path && job.failed)
failed = true; });
return failed;
};
installation.for_each_sub_node("archive", [&] (Xml_node archive) {
if (job_failed(archive))
return;
xml.node("dependencies", [&] () {
xml.attribute("path", archive.attribute_value("path", Archive::Path()));
xml.attribute("source", archive.attribute_value("source", true));
xml.attribute("binary", archive.attribute_value("binary", true));
});
});
installation.for_each_sub_node("index", [&] (Xml_node index) {
if (job_failed(index))
return;
xml.node("index", [&] () {
Archive::Path const path = index.attribute_value("path", Archive::Path());
if (!Archive::index(path)) {
warning("malformed index path '", path, "'");
return;
}
xml.attribute("user", Archive::user(path));
xml.attribute("version", Archive::_path_element<Archive::Version>(path, 2));
});
});
if (next_user.valid())
xml.node("user", [&] () { xml.attribute("name", next_user); });
});
xml.node("route", [&] () {
xml.node("service", [&] () {
xml.attribute("name", File_system::Session::service_name());
xml.node("parent", [&] () {
xml.attribute("label", "depot"); });
});
gen_parent_unscoped_rom_route(xml, "depot_query");
gen_parent_unscoped_rom_route(xml, "ld.lib.so");
gen_parent_rom_route(xml, "vfs.lib.so");
gen_parent_route<Cpu_session> (xml);
gen_parent_route<Pd_session> (xml);
gen_parent_route<Log_session> (xml);
gen_parent_route<Report::Session>(xml);
});
}