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dded32defa
This makes more sense to return a message to a stream interface
than to a session.
senddata.{c,h} have been removed.
101 lines
2.8 KiB
C
101 lines
2.8 KiB
C
/*
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* Functions managing stream_interface structures
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*
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* Copyright 2000-2008 Willy Tarreau <w@1wt.eu>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <common/compat.h>
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#include <common/config.h>
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#include <common/debug.h>
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#include <common/standard.h>
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#include <common/ticks.h>
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#include <common/time.h>
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#include <proto/buffers.h>
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#include <proto/client.h>
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#include <proto/fd.h>
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#include <proto/stream_sock.h>
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#include <proto/task.h>
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/*
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* This function only has to be called once after a wakeup event in case of
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* suspected timeout. It controls the stream interface timeouts and sets
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* si->flags accordingly. It does NOT close anything, as this timeout may
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* be used for any purpose. It returns 1 if the timeout fired, otherwise
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* zero.
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*/
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int stream_int_check_timeouts(struct stream_interface *si)
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{
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if (tick_is_expired(si->exp, now_ms)) {
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si->flags |= SI_FL_EXP;
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return 1;
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}
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return 0;
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}
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/* to be called only when in SI_ST_DIS with SI_FL_ERR */
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void stream_int_report_error(struct stream_interface *si)
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{
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if (!si->err_type)
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si->err_type = SI_ET_DATA_ERR;
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si->ob->flags |= BF_WRITE_ERROR;
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si->ib->flags |= BF_READ_ERROR;
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}
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/*
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* Returns a message into the output buffer, and flushes the input buffer. The
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* output buffer doesn't need to be empty before this. The message is contained
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* in a "chunk". If it is null, then an empty message is used.
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*/
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void stream_int_return(struct stream_interface *si, const struct chunk *msg)
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{
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buffer_flush(si->ib);
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buffer_flush(si->ob);
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if (msg && msg->len)
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buffer_write(si->ob, msg->str, msg->len);
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}
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/*
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* Returns a message to the client ; the connection is shut down for read,
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* and the request is cleared so that no server connection can be initiated.
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* The buffer is marked for read shutdown on the other side to protect the
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* message, and the buffer write is enabled. The message is contained in a
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* "chunk". If it is null, then an empty message is used. The reply buffer
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* doesn't need to be empty before this. The goal of this function is to
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* return error messages to a client.
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*/
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void stream_int_retnclose(struct stream_interface *si, const struct chunk *msg)
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{
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buffer_abort(si->ib);
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buffer_flush(si->ob);
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buffer_shutr_now(si->ob);
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if (msg && msg->len)
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buffer_write(si->ob, msg->str, msg->len);
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si->ob->wex = tick_add_ifset(now_ms, si->ob->wto);
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buffer_write_ena(si->ob);
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}
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/*
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* Local variables:
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* c-indent-level: 8
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* c-basic-offset: 8
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* End:
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*/
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