129 lines
2.6 KiB
C++
129 lines
2.6 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 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 General Public License version 2.
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*/
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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 <root/component.h>
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#include <os/server.h>
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#include <os/attached_ram_dataspace.h>
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namespace Report {
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using Server::Entrypoint;
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using Genode::env;
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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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public:
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typedef Genode::String<200> Label;
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private:
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Label _label;
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Genode::Attached_ram_dataspace _ds;
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public:
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Session_component(Label const &label, size_t buffer_size)
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:
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_label(label), _ds(env()->ram_session(), 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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printf("\nreport: %s\n", _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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strncpy(buf, _ds.local_addr<char>() + consumed, sizeof(buf));
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printf("%s", buf);
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}
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printf("\nend of report\n");
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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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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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char label[200];
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Arg_string::find_arg(args, "label").string(label, sizeof(label), "");
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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(Session_component::Label(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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:
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Genode::Root_component<Session_component>(&ep.rpc_ep(), &md_alloc)
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{ }
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};
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struct Report::Main
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{
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Entrypoint &ep;
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Genode::Sliced_heap sliced_heap = { env()->ram_session(),
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env()->rm_session() };
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Root root = { ep, sliced_heap };
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Main(Entrypoint &ep) : ep(ep)
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{
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env()->parent()->announce(ep.manage(root));
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}
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};
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namespace Server {
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char const *name() { return "log_report_ep"; }
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size_t stack_size() { return 4*1024*sizeof(long); }
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void construct(Entrypoint &ep)
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{
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static Report::Main main(ep);
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}
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}
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