nss-3.73/nspr/pr/src/cplus/rcnetio.cpp

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/*
** Subclass implementation for streamed network I/O (ref: prio.h)
*/

#include "rcnetio.h"

#include <private/pprio.h>

RCNetStreamIO::~RCNetStreamIO()
{
    PRStatus rv = (fd->methods->close)(fd);
    fd = NULL;
}

RCNetStreamIO::RCNetStreamIO(): RCIO(RCIO::tcp)
{
    fd = PR_NewTCPSocket();
}

RCNetStreamIO::RCNetStreamIO(PRIntn protocol): RCIO(RCIO::tcp)
{
    fd = PR_Socket(PR_AF_INET, PR_SOCK_STREAM, protocol);
}

RCIO* RCNetStreamIO::Accept(RCNetAddr* addr, const RCInterval& timeout)
{
    PRNetAddr peer;
    RCNetStreamIO* rcio = NULL;
    PRFileDesc* newfd = fd->methods->accept(fd, &peer, timeout);
    if (NULL != newfd)
    {
        rcio = new RCNetStreamIO();
        if (NULL != rcio)
        {
            *addr = &peer;
            rcio->fd = newfd;
        }
        else {
            (void)(newfd->methods->close)(newfd);
        }
    }
    return rcio;
}  /* RCNetStreamIO::Accept */

PRInt32 RCNetStreamIO::AcceptRead(
    RCIO **nd, RCNetAddr **raddr, void *buf,
    PRSize amount, const RCInterval& timeout)
{
    PRNetAddr *from;
    PRFileDesc *accepted;
    PRInt32 rv = (fd->methods->acceptread)(
                     fd, &accepted, &from, buf, amount, timeout);
    if (rv >= 0)
    {
        RCNetStreamIO *ns = new RCNetStreamIO();
        if (NULL != *nd) {
            ns->fd = accepted;
        }
        else {
            PR_Close(accepted);
            rv = -1;
        }
        *nd = ns;
    }
    return rv;
}  /* RCNetStreamIO::AcceptRead */

PRInt64 RCNetStreamIO::Available()
{
    return (fd->methods->available64)(fd);
}

PRStatus RCNetStreamIO::Bind(const RCNetAddr& addr)
{
    return (fd->methods->bind)(fd, addr);
}

PRStatus RCNetStreamIO::Connect(const RCNetAddr& addr, const RCInterval& timeout)
{
    return (fd->methods->connect)(fd, addr, timeout);
}

PRStatus RCNetStreamIO::GetLocalName(RCNetAddr *addr) const
{
    PRNetAddr local;
    PRStatus rv = (fd->methods->getsockname)(fd, &local);
    if (PR_SUCCESS == rv) {
        *addr = &local;
    }
    return rv;
}  /* RCNetStreamIO::GetLocalName */

PRStatus RCNetStreamIO::GetPeerName(RCNetAddr *addr) const
{
    PRNetAddr peer;
    PRStatus rv = (fd->methods->getpeername)(fd, &peer);
    if (PR_SUCCESS == rv) {
        *addr = &peer;
    }
    return rv;
}  /* RCNetStreamIO::GetPeerName */

PRStatus RCNetStreamIO::GetSocketOption(PRSocketOptionData *data) const
{
    return (fd->methods->getsocketoption)(fd, data);
}

PRStatus RCNetStreamIO::Listen(PRIntn backlog)
{
    return (fd->methods->listen)(fd, backlog);
}

PRInt16 RCNetStreamIO::Poll(PRInt16 in_flags, PRInt16 *out_flags)
{
    return (fd->methods->poll)(fd, in_flags, out_flags);
}

PRInt32 RCNetStreamIO::Read(void *buf, PRSize amount)
{
    return (fd->methods->read)(fd, buf, amount);
}

PRInt32 RCNetStreamIO::Recv(
    void *buf, PRSize amount, PRIntn flags, const RCInterval& timeout)
{
    return (fd->methods->recv)(fd, buf, amount, flags, timeout);
}

PRInt32 RCNetStreamIO::Recvfrom(
    void *buf, PRSize amount, PRIntn flags,
    RCNetAddr* addr, const RCInterval& timeout)
{
    PRNetAddr peer;
    PRInt32 rv = (fd->methods->recvfrom)(
                     fd, buf, amount, flags, &peer, timeout);
    if (-1 != rv) {
        *addr = &peer;
    }
    return rv;
}  /* RCNetStreamIO::Recvfrom */

PRInt32 RCNetStreamIO::Send(
    const void *buf, PRSize amount, PRIntn flags, const RCInterval& timeout)
{
    return (fd->methods->send)(fd, buf, amount, flags, timeout);
}

PRInt32 RCNetStreamIO::Sendto(
    const void *buf, PRSize amount, PRIntn flags,
    const RCNetAddr& addr, const RCInterval& timeout)
{
    return (fd->methods->sendto)(fd, buf, amount, flags, addr, timeout);
}

PRStatus RCNetStreamIO::SetSocketOption(const PRSocketOptionData *data)
{
    return (fd->methods->setsocketoption)(fd, data);
}

PRStatus RCNetStreamIO::Shutdown(RCIO::ShutdownHow how)
{
    return (fd->methods->shutdown)(fd, (PRIntn)how);
}

PRInt32 RCNetStreamIO::TransmitFile(
    RCIO *source, const void *headers, PRSize hlen,
    RCIO::FileDisposition flags, const RCInterval& timeout)
{
    RCNetStreamIO *src = (RCNetStreamIO*)source;
    return (fd->methods->transmitfile)(
               fd, src->fd, headers, hlen, (PRTransmitFileFlags)flags, timeout);
}

PRInt32 RCNetStreamIO::Write(const void *buf, PRSize amount)
{
    return (fd->methods->write)(fd, buf, amount);
}

PRInt32 RCNetStreamIO::Writev(
    const PRIOVec *iov, PRSize size, const RCInterval& timeout)
{
    return (fd->methods->writev)(fd, iov, size, timeout);
}

/*
** Invalid functions
*/

PRStatus RCNetStreamIO::Close()
{
    PR_SetError(PR_INVALID_METHOD_ERROR, 0);
    return PR_FAILURE;
}

PRStatus RCNetStreamIO::FileInfo(RCFileInfo*) const
{
    PR_SetError(PR_INVALID_METHOD_ERROR, 0);
    return PR_FAILURE;
}

PRStatus RCNetStreamIO::Fsync()
{
    return (fd->methods->fsync)(fd);
}

PRStatus RCNetStreamIO::Open(const char*, PRIntn, PRIntn)
{
    PR_SetError(PR_INVALID_METHOD_ERROR, 0);
    return PR_FAILURE;
}

PRInt64 RCNetStreamIO::Seek(PRInt64, RCIO::Whence)
{
    PR_SetError(PR_INVALID_METHOD_ERROR, 0);
    return PR_FAILURE;
}

/* RCNetStreamIO.cpp */