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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#ifndef __MOSDOPREPLY_H
#define __MOSDOPREPLY_H
#include "msg/Message.h"
#include "MOSDOp.h"
#include "os/ObjectStore.h"
/*
* OSD op reply
*
* oid - object id
* op - OSD_OP_DELETE, etc.
*
*/
class MOSDOpReply : public Message {
ceph_osd_reply_head head;
public:
object_t oid;
vector<OSDOp> ops;
object_t get_oid() { return oid; }
pg_t get_pg() { return pg_t(head.layout.ol_pgid); }
int get_flags() { return head.flags; }
bool is_ondisk() { return get_flags() & CEPH_OSD_FLAG_ONDISK; }
bool is_onnvram() { return get_flags() & CEPH_OSD_FLAG_ONNVRAM; }
__s32 get_result() { return head.result; }
eversion_t get_version() { return head.reassert_version; }
bool may_read() { return head.flags & CEPH_OSD_FLAG_READ; }
bool may_write() { return head.flags & CEPH_OSD_FLAG_WRITE; }
void set_result(int r) { head.result = r; }
void set_version(eversion_t v) { head.reassert_version = v; }
// osdmap
epoch_t get_map_epoch() { return head.osdmap_epoch; }
/*osd_reqid_t get_reqid() { return osd_reqid_t(get_dest(),
head.client_inc,
head.tid); }
*/
public:
MOSDOpReply(MOSDOp *req, __s32 result, epoch_t e, int acktype) :
Message(CEPH_MSG_OSD_OPREPLY) {
memset(&head, 0, sizeof(head));
set_tid(req->get_tid());
head.client_inc = req->head.client_inc;
ops = req->ops;
head.result = result;
head.flags =
(req->head.flags & ~(CEPH_OSD_FLAG_ONDISK|CEPH_OSD_FLAG_ONNVRAM|CEPH_OSD_FLAG_ACK)) | acktype;
oid = req->oid;
head.layout = req->head.layout;
head.osdmap_epoch = e;
head.reassert_version = req->head.reassert_version;
}
MOSDOpReply() {}
private:
~MOSDOpReply() {}
public:
// marshalling
virtual void decode_payload() {
bufferlist::iterator p = payload.begin();
::decode(head, p);
ops.resize(head.num_ops);
for (unsigned i = 0; i < head.num_ops; i++) {
::decode(ops[i].op, p);
}
::decode_nohead(head.object_len, oid.name, p);
}
virtual void encode_payload() {
head.num_ops = ops.size();
head.object_len = oid.name.length();
::encode(head, payload);
for (unsigned i = 0; i < head.num_ops; i++) {
::encode(ops[i].op, payload);
}
::encode_nohead(oid.name, payload);
}
const char *get_type_name() { return "osd_op_reply"; }
void print(ostream& out) {
out << "osd_op_reply(" << get_tid()
<< " " << oid << " " << ops;
if (may_write()) {
if (is_ondisk())
out << " ondisk";
else if (is_onnvram())
out << " onnvram";
else
out << " ack";
}
out << " = " << get_result();
if (get_result() < 0) {
char buf[80];
out << " (" << strerror_r(-get_result(), buf, sizeof(buf)) << ")";
}
out << ")";
}
};
#endif
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