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f853320b44
A new member has been added to the struct session. It keeps a trace of what block of code performs a close or a shutdown on a socket, and in what sequence. This is extremely convenient for post-mortem analysis where flag combinations and states seem impossible. A new ABORT_NOW() macro has also been added to make the code immediately segfault where called.
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/*
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include/common/debug.h
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This files contains some macros to help debugging.
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Copyright (C) 2000-2006 Willy Tarreau - w@1wt.eu
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation, version 2.1
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exclusively.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _COMMON_DEBUG_H
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#define _COMMON_DEBUG_H
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#include <common/config.h>
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#ifdef DEBUG_FULL
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#define DPRINTF(x...) fprintf(x)
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#else
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#define DPRINTF(x...)
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#endif
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#ifdef DEBUG_FSM
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#define FSM_PRINTF(x...) fprintf(x)
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#else
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#define FSM_PRINTF(x...)
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#endif
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/* This abort is more efficient than abort() because it does not mangle the
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* stack and stops at the exact location we need.
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*/
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#define ABORT_NOW() (*(int*)0=0)
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/* this one is provided for easy code tracing.
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* Usage: TRACE(sess||0, fmt, args...);
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* TRACE(sess, "");
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*/
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#define TRACE(sess, fmt, args...) do { \
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fprintf(stderr, \
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"%d.%06d [%s:%d %s] [sess %p(%x)] " fmt "\n", \
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(int)now.tv_sec, (int)now.tv_usec, \
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__FILE__, __LINE__, __FUNCTION__, \
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sess, sess?((struct session *)sess)->uniq_id:~0U, \
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##args); \
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} while (0)
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#endif /* _COMMON_DEBUG_H */
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