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/*
Copyright 2018-2019, Barcelona Supercomputing Center (BSC), Spain
Copyright 2015-2019, Johannes Gutenberg Universitaet Mainz, Germany
This software was partially supported by the
EC H2020 funded project NEXTGenIO (Project ID: 671951, www.nextgenio.eu).
This software was partially supported by the
ADA-FS project under the SPPEXA project funded by the DFG.
SPDX-License-Identifier: MIT
*/
#ifndef GKFS_RPCS_HPP
#define GKFS_RPCS_HPP
// C includes
#include <mercury.h>
#include <mercury_proc_string.h>
#include <mercury_macros.h>
// C++ includes
#include <string>
// hermes includes
#include <hermes.hpp>
#ifndef HG_GEN_PROC_NAME
#define HG_GEN_PROC_NAME(struct_type_name) \
hg_proc_ ## struct_type_name
#endif
#include <global/global_defs.hpp>
#include <global/rpc/rpc_types.hpp>
namespace hermes { namespace detail {
struct hg_void_t { };
static HG_INLINE hg_return_t
hg_proc_void_t(hg_proc_t proc, void *data)
{
(void) proc;
(void) data;
return HG_SUCCESS;
}
}} // namespace hermes::detail
namespace gkfs {
namespace rpc {
//==============================================================================
// definitions for fs_config
struct fs_config {
// forward declarations of public input/output types for this RPC
class input;
class output;
// traits used so that the engine knows what to do with the RPC
using self_type = fs_config;
using handle_type = hermes::rpc_handle<self_type>;
using input_type = input;
using output_type = output;
using mercury_input_type = hermes::detail::hg_void_t;
using mercury_output_type = rpc_config_out_t;
// RPC public identifier
// (N.B: we reuse the same IDs assigned by Margo so that the daemon
// understands Hermes RPCs)
constexpr static const uint64_t public_id = 3033006080;
// RPC internal Mercury identifier
constexpr static const hg_id_t mercury_id = public_id;
// RPC name
constexpr static const auto name = gkfs::hg_tag::fs_config;
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// requires response?
constexpr static const auto requires_response = true;
// Mercury callback to serialize input arguments
constexpr static const auto mercury_in_proc_cb =
hermes::detail::hg_proc_void_t;
// Mercury callback to serialize output arguments
constexpr static const auto mercury_out_proc_cb =
HG_GEN_PROC_NAME(rpc_config_out_t);
class input {
template <typename ExecutionContext>
friend hg_return_t hermes::detail::post_to_mercury(ExecutionContext*);
public:
input() { }
input(input&& rhs) = default;
input(const input& other) = default;
input& operator=(input&& rhs) = default;
input& operator=(const input& other) = default;
explicit
input(const hermes::detail::hg_void_t& other) { }
explicit
operator hermes::detail::hg_void_t() {
return {};
}
};
class output {
template <typename ExecutionContext>
friend hg_return_t hermes::detail::post_to_mercury(ExecutionContext*);
public:
output() :
m_mountdir(),
m_rootdir(),
m_atime_state(),
m_mtime_state(),
m_ctime_state(),
m_link_cnt_state(),
m_blocks_state(),
m_uid(),
m_gid() {}
output(const std::string& mountdir,
const std::string& rootdir,
bool atime_state,
bool mtime_state,
bool ctime_state,
bool link_cnt_state,
bool blocks_state,
uint32_t uid,
uint32_t gid) :
m_mountdir(mountdir),
m_rootdir(rootdir),
m_atime_state(atime_state),
m_mtime_state(mtime_state),
m_ctime_state(ctime_state),
m_link_cnt_state(link_cnt_state),
m_blocks_state(blocks_state),
m_uid(uid),
m_gid(gid) {}
output(output&& rhs) = default;
output(const output& other) = default;
output& operator=(output&& rhs) = default;
output& operator=(const output& other) = default;
explicit
output(const rpc_config_out_t& out) {
if(out.mountdir != nullptr) {
m_mountdir = out.mountdir;
}
if(out.rootdir != nullptr) {
m_rootdir = out.rootdir;
}
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m_atime_state = out.atime_state;
m_mtime_state = out.mtime_state;
m_ctime_state = out.ctime_state;
m_link_cnt_state = out.link_cnt_state;
m_blocks_state = out.blocks_state;
m_uid = out.uid;
m_gid = out.gid;
}
std::string
mountdir() const {
return m_mountdir;
}
std::string
rootdir() const {
return m_rootdir;
}
bool
atime_state() const {
return m_atime_state;
}
bool
mtime_state() const {
return m_mtime_state;
}
bool
ctime_state() const {
return m_ctime_state;
}
bool
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