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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape Portable Runtime (NSPR).
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
** Base class definitions for I/O (ref: prio.h)
**
** This class is a virtual base class. Construction must be done by a
** subclass, but the I/O operations can be done on a RCIO object reference.
*/
#if defined(_RCIO_H)
#else
#define _RCIO_H
#include "rcbase.h"
#include "rcnetdb.h"
#include "rcinrval.h"
#include "prio.h"
class RCFileInfo;
class PR_IMPLEMENT(RCIO): public RCBase
{
public:
typedef enum {
open = PR_TRANSMITFILE_KEEP_OPEN, /* socket is left open after file
* is transmitted. */
close = PR_TRANSMITFILE_CLOSE_SOCKET/* socket is closed after file
* is transmitted. */
} FileDisposition;
typedef enum {
set = PR_SEEK_SET, /* Set to value specified */
current = PR_SEEK_CUR, /* Seek relative to current position */
end = PR_SEEK_END /* seek past end of current eof */
} Whence;
typedef enum {
recv = PR_SHUTDOWN_RCV, /* receives will be disallowed */
send = PR_SHUTDOWN_SEND, /* sends will be disallowed */
both = PR_SHUTDOWN_BOTH /* sends & receives will be disallowed */
} ShutdownHow;
public:
virtual ~RCIO();
virtual RCIO* Accept(RCNetAddr* addr, const RCInterval& timeout) = 0;
virtual PRInt32 AcceptRead(
RCIO **nd, RCNetAddr **raddr, void *buf,
PRSize amount, const RCInterval& timeout) = 0;
virtual PRInt64 Available() = 0;
virtual PRStatus Bind(const RCNetAddr& addr) = 0;
virtual PRStatus Close() = 0;
virtual PRStatus Connect(
const RCNetAddr& addr,
const RCInterval& timeout) = 0;
virtual PRStatus FileInfo(RCFileInfo *info) const = 0;
virtual PRStatus Fsync() = 0;
virtual PRStatus GetLocalName(RCNetAddr *addr) const = 0;
virtual PRStatus GetPeerName(RCNetAddr *addr) const = 0;
virtual PRStatus GetSocketOption(PRSocketOptionData *data) const = 0;
virtual PRStatus Listen(PRIntn backlog) = 0;
virtual PRStatus Open(const char *name, PRIntn flags, PRIntn mode) = 0;
virtual PRInt16 Poll(PRInt16 in_flags, PRInt16 *out_flags) = 0;
virtual PRInt32 Read(void *buf, PRSize amount) = 0;
virtual PRInt32 Recv(
void *buf, PRSize amount, PRIntn flags,
const RCInterval& timeout) = 0;
virtual PRInt32 Recvfrom(
void *buf, PRSize amount, PRIntn flags,
RCNetAddr* addr, const RCInterval& timeout) = 0;
virtual PRInt64 Seek(PRInt64 offset, Whence how) = 0;
virtual PRInt32 Send(
const void *buf, PRSize amount, PRIntn flags,
const RCInterval& timeout) = 0;
virtual PRInt32 Sendto(
const void *buf, PRSize amount, PRIntn flags,
const RCNetAddr& addr,
const RCInterval& timeout) = 0;
virtual PRStatus SetSocketOption(const PRSocketOptionData *data) = 0;
virtual PRStatus Shutdown(ShutdownHow how) = 0;
virtual PRInt32 TransmitFile(
RCIO *source, const void *headers,
PRSize hlen, RCIO::FileDisposition flags,
const RCInterval& timeout) = 0;
virtual PRInt32 Write(const void *buf, PRSize amount) = 0;
virtual PRInt32 Writev(
const PRIOVec *iov, PRSize size,
const RCInterval& timeout) = 0;
protected:
typedef enum {
file = PR_DESC_FILE,
tcp = PR_DESC_SOCKET_TCP,
udp = PR_DESC_SOCKET_UDP,
layered = PR_DESC_LAYERED} RCIOType;
RCIO(RCIOType);
PRFileDesc *fd; /* where the real code hides */
private:
/* no default construction and no copies allowed */
RCIO();
RCIO(const RCIO&);
}; /* RCIO */
#endif /* defined(_RCIO_H) */
/* RCIO.h */
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