tor-browser

rcnetio.cpp (5429B)

---

/* -*- 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 */