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Renamed the hub_sendq and hub_recvq to ioq_send and ioq_recv.

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This commit is contained in:
Jan Vidar Krey
2012-09-28 09:20:33 +02:00
parent 35bfefa717
commit fc52f0e030
8 changed files with 58 additions and 59 deletions
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106
src/core/ioqueue.h Normal file
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/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2012, Jan Vidar Krey
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef HAVE_UHUB_IO_QUEUE_H
#define HAVE_UHUB_IO_QUEUE_H
struct adc_message;
struct linked_list;
typedef int (*ioq_write)(void* desc, const void* buf, size_t len);
typedef int (*ioq_read)(void* desc, void* buf, size_t len);
struct ioq_send
{
size_t size; /** Size of send queue (in bytes, not messages) */
size_t offset; /** Queue byte offset in the first message. Should be 0 unless a partial write. */
#ifdef SSL_SUPPORT
size_t last_send; /** When using SSL, one have to send the exact same buffer and length if a write cannot complete. */
#endif
struct linked_list* queue; /** List of queued messages (struct adc_message) */
};
struct ioq_recv
{
char* buf;
size_t size;
};
/**
* Create a send queue
*/
extern struct ioq_send* ioq_send_create();
/**
* Destroy a send queue, and delete any queued messages.
*/
extern void ioq_send_destroy(struct ioq_send*);
/**
* Add a message to the send queue.
*/
extern void ioq_send_add(struct ioq_send*, struct adc_message* msg);
/**
* Process the send queue, and send as many messages as possible.
* @returns -1 on error, 0 if unable to send more, 1 if more can be sent.
*/
extern int ioq_send_send(struct ioq_send*, struct hub_user*);
/**
* @returns 1 if send queue is empty, 0 otherwise.
*/
extern int ioq_send_is_empty(struct ioq_send*);
/**
* @returns the number of bytes remaining to be sent in the queue.
*/
extern size_t ioq_send_get_bytes(struct ioq_send*);
/**
* Create a receive queue.
*/
extern struct ioq_recv* ioq_recv_create();
/**
* Destroy a receive queue.
*/
extern void ioq_recv_destroy(struct ioq_recv*);
/**
* Gets the buffer, copies it into buf and deallocates it.
* NOTE: bufsize *MUST* be larger than the buffer, otherwise it asserts.
* @return the number of bytes copied into buf.
*/
extern size_t ioq_recv_get(struct ioq_recv*, void* buf, size_t bufsize);
/**
* Sets the buffer
*/
extern size_t ioq_recv_set(struct ioq_recv*, void* buf, size_t bufsize);
/**
* @return 1 if size is zero, 0 otherwise.
*/
extern int ioq_recv_is_empty(struct ioq_recv* buf);
#endif /* HAVE_UHUB_IO_QUEUE_H */