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/* |
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* Hydra, an http server |
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* Copyright (C) 1995 Paul Phillips <paulp@go2net.com> |
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* Some changes Copyright (C) 1997 Jon Nelson <jnelson@boa.org> |
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* |
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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 1, or (at your option) |
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* any later version. |
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* |
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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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* |
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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, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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*/ |
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|
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/* $Id: queue.c,v 1.5 2002/10/21 19:10:31 nmav Exp $*/ |
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|
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#include "boa.h" |
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#include "queue.h" |
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|
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/* |
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* Name: block_request |
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* |
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* Description: Moves a request from the ready queue to the blocked queue |
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*/ |
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|
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void block_request(server_params* params, request * req) |
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{ |
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dequeue(¶ms->request_ready, req); |
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enqueue(¶ms->request_block, req); |
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|
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if (req->buffer_end) { |
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BOA_FD_SET( req, req->fd, BOA_WRITE); |
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} else { |
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switch (req->status) { |
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case IOSHUFFLE: |
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#ifndef HAVE_SENDFILE |
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if (req->buffer_end - req->buffer_start == 0) { |
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BOA_FD_SET(req, req->data_fd, BOA_READ); |
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break; |
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} |
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#endif |
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case WRITE: |
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case PIPE_WRITE: |
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case DONE: |
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BOA_FD_SET( req, req->fd, BOA_WRITE); |
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break; |
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case PIPE_READ: |
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BOA_FD_SET( req, req->data_fd, BOA_READ); |
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break; |
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case BODY_WRITE: |
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BOA_FD_SET( req, req->post_data_fd.fds[1], BOA_WRITE); |
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break; |
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default: |
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BOA_FD_SET( req, req->fd, BOA_READ); |
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break; |
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} |
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} |
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} |
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|
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/* |
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* Name: ready_request |
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* |
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* Description: Moves a request from the blocked queue to the ready queue |
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*/ |
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|
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void ready_request(server_params* params, request * req) |
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{ |
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dequeue(¶ms->request_block, req); |
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enqueue(¶ms->request_ready, req); |
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|
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if (req->buffer_end) { |
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BOA_FD_CLR(req, req->fd, BOA_WRITE); |
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} else { |
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switch (req->status) { |
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case IOSHUFFLE: |
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#ifndef HAVE_SENDFILE |
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if (req->buffer_end - req->buffer_start == 0) { |
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BOA_FD_CLR(req, req->data_fd, BOA_READ); |
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break; |
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} |
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#endif |
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case WRITE: |
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case PIPE_WRITE: |
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case DONE: |
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BOA_FD_CLR(req, req->fd, BOA_WRITE); |
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break; |
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case PIPE_READ: |
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BOA_FD_CLR(req, req->data_fd, BOA_READ); |
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break; |
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case BODY_WRITE: |
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BOA_FD_CLR(req, req->post_data_fd.fds[1], BOA_WRITE); |
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break; |
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default: |
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BOA_FD_CLR(req, req->fd, BOA_READ); |
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} |
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} |
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} |
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|
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|
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/* |
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* Name: dequeue |
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* |
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* Description: Removes a request from its current queue |
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*/ |
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|
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DEQUEUE_FUNCTION( dequeue, request) |
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|
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/* |
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* Name: enqueue |
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* |
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* Description: Adds a request to the head of a queue |
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*/ |
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|
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ENQUEUE_FUNCTION( enqueue, request) |
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|