124 lines
2.7 KiB
C++
124 lines
2.7 KiB
C++
/*
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* \brief Report server that dumps reports to the LOG
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* \author Norman Feske
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* \date 2014-01-10
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*/
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/*
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* Copyright (C) 2014-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#include <base/component.h>
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#include <report_session/report_session.h>
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#include <util/arg_string.h>
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#include <base/heap.h>
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#include <base/env.h>
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#include <base/log.h>
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#include <base/session_label.h>
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#include <root/component.h>
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#include <base/attached_ram_dataspace.h>
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namespace Report {
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using namespace Genode;
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class Session_component;
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class Root;
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struct Main;
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}
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class Report::Session_component : public Genode::Rpc_object<Session>
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{
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private:
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Genode::Session_label _label;
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Genode::Attached_ram_dataspace _ds;
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public:
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Session_component(Ram_allocator &ram,
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Region_map &rm,
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Genode::Session_label const &label,
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size_t buffer_size)
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:
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_label(label), _ds(ram, rm, buffer_size)
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{ }
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Dataspace_capability dataspace() override { return _ds.cap(); }
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void submit(size_t const length) override
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{
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using namespace Genode;
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log("\nreport: ", _label.string());
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char buf[1024];
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for (size_t consumed = 0; consumed < length; consumed += strlen(buf)) {
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copy_cstring(buf, _ds.local_addr<char>() + consumed, sizeof(buf));
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log(Cstring(buf));
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}
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log("\nend of report");
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}
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void response_sigh(Genode::Signal_context_capability) override { }
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size_t obtain_response() override { return 0; }
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};
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class Report::Root : public Genode::Root_component<Session_component>
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{
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private:
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Ram_allocator &_ram;
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Region_map &_rm;
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protected:
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Session_component *_create_session(const char *args) override
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{
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using namespace Genode;
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/* read label from session arguments */
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Session_label label = label_from_args(args);
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/* read report buffer size from session arguments */
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size_t const buffer_size =
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Arg_string::find_arg(args, "buffer_size").ulong_value(0);
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return new (md_alloc())
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Session_component(_ram, _rm, label, buffer_size);
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}
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public:
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Root(Entrypoint &ep, Genode::Allocator &md_alloc,
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Ram_allocator &ram, Region_map &rm)
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:
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Genode::Root_component<Session_component>(&ep.rpc_ep(), &md_alloc),
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_ram(ram), _rm(rm)
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{ }
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};
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struct Report::Main
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{
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Env &_env;
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Sliced_heap sliced_heap { _env.ram(), _env.rm() };
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Root root { _env.ep(), sliced_heap, _env.ram(), _env.rm() };
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Main(Env &env) : _env(env)
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{
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env.parent().announce(env.ep().manage(root));
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}
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};
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void Component::construct(Genode::Env &env) { static Report::Main main(env); }
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