genode/repos/base/include/trace_session/trace_session.h
Norman Feske a52c2ce141 Remove exceptions from TRACE session interface
- Use attempt pattern for error handling
- Replace lookup of pointers by with_ pattern
- Remove virtual Trace::Session methods
- Merge client.h into connection.h
- Update coding style of test/trace

Issue #5245
2024-06-20 12:56:19 +02:00

72 lines
2.4 KiB
C++

/*
* \brief TRACE session interface
* \author Norman Feske
* \date 2013-08-11
*/
/*
* Copyright (C) 2013-2017 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.
*/
#ifndef _INCLUDE__TRACE_SESSION__TRACE_SESSION_H_
#define _INCLUDE__TRACE_SESSION__TRACE_SESSION_H_
#include <util/attempt.h>
#include <base/trace/types.h>
#include <dataspace/capability.h>
#include <session/session.h>
namespace Genode { namespace Trace { struct Session; } }
struct Genode::Trace::Session : Genode::Session
{
/**
* \noapi
*/
static const char *service_name() { return "TRACE"; }
enum { CAP_QUOTA = 6 };
enum class Alloc_rpc_error { OUT_OF_RAM, OUT_OF_CAPS };
enum class Alloc_policy_rpc_error { OUT_OF_RAM, OUT_OF_CAPS, INVALID };
enum class Trace_rpc_error { OUT_OF_RAM, OUT_OF_CAPS, FOREIGN,
SOURCE_IS_DEAD, INVALID_SUBJECT,
INVALID_POLICY };
using Alloc_policy_rpc_result = Attempt<Policy_id, Alloc_policy_rpc_error>;
using Subjects_rpc_result = Attempt<Num_subjects, Alloc_rpc_error>;
using Infos_rpc_result = Attempt<Num_subjects, Alloc_rpc_error>;
using Trace_rpc_result = Attempt<Trace_ok, Trace_rpc_error>;
virtual ~Session() { }
/*********************
** RPC declaration **
*********************/
GENODE_RPC(Rpc_dataspace, Dataspace_capability, dataspace);
GENODE_RPC(Rpc_alloc_policy, Alloc_policy_rpc_result, alloc_policy, Policy_size);
GENODE_RPC(Rpc_policy, Dataspace_capability, policy, Policy_id);
GENODE_RPC(Rpc_unload_policy, void, unload_policy, Policy_id);
GENODE_RPC(Rpc_trace, Trace_rpc_result, trace, Subject_id, Policy_id, Buffer_size);
GENODE_RPC(Rpc_pause, void, pause, Subject_id);
GENODE_RPC(Rpc_resume, void, resume, Subject_id);
GENODE_RPC(Rpc_subjects, Subjects_rpc_result, subjects);
GENODE_RPC(Rpc_subject_infos, Infos_rpc_result, subject_infos);
GENODE_RPC(Rpc_buffer, Dataspace_capability, buffer, Subject_id);
GENODE_RPC(Rpc_free, void, free, Subject_id);
GENODE_RPC_INTERFACE(Rpc_dataspace, Rpc_alloc_policy, Rpc_policy,
Rpc_unload_policy, Rpc_trace, Rpc_pause,
Rpc_resume, Rpc_subjects, Rpc_buffer,
Rpc_free, Rpc_subject_infos);
};
#endif /* _INCLUDE__TRACE_SESSION__TRACE_SESSION_H_ */