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30ddbe4611
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15693 Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Ralph Boehme <slow@samba.org>
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/*
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Unix SMB/CIFS implementation.
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Samba utility functions
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Copyright (C) Andrew Bartlett 2011
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __LIB_UTIL_SERVER_ID_H__
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#define __LIB_UTIL_SERVER_ID_H__
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#include "replace.h"
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struct server_id;
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struct server_id_buf {
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/*
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* 4294967295 uses 10 chars
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* 18446744073709551615 uses 20 chars
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*
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* We have these combinations:
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* - "disconnected"
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* - PID64
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* - PID64.TASK32
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* - VNN32:PID64.TASK32
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*
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* The largest has 10 + 1 + 20 + 1 + 10 + 1 = 43 chars
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*
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* Optionally we allow :UNIQUE64 added,
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* which adds 21 chars, so we are at 64 chars
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* and that's 8 byte aligned.
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*/
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char buf[64];
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};
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bool server_id_same_process(const struct server_id *p1,
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const struct server_id *p2);
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int server_id_cmp(const struct server_id *p1, const struct server_id *p2);
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bool server_id_equal(const struct server_id *p1, const struct server_id *p2);
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char *server_id_str_buf(struct server_id id, struct server_id_buf *dst);
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char *server_id_str_buf_unique_ex(struct server_id id,
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char unique_delimiter,
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struct server_id_buf *dst);
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char *server_id_str_buf_unique(struct server_id id,
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struct server_id_buf *dst);
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struct server_id server_id_from_string(uint32_t local_vnn,
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const char *pid_string);
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struct server_id server_id_from_string_ex(uint32_t local_vnn,
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char unique_delimiter,
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const char *pid_string);
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/**
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* Set the serverid to the special value that represents a disconnected
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* client for (e.g.) durable handles.
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*/
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void server_id_set_disconnected(struct server_id *id);
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/**
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* check whether a serverid is the special placeholder for
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* a disconnected client
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*/
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bool server_id_is_disconnected(const struct server_id *id);
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#define SERVER_ID_BUF_LENGTH 24
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void server_id_put(uint8_t buf[SERVER_ID_BUF_LENGTH],
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const struct server_id id);
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void server_id_get(struct server_id *id,
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const uint8_t buf[SERVER_ID_BUF_LENGTH]);
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#endif
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