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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "nacl_io/ossocket.h"
#ifdef PROVIDES_SOCKET_API
#include <assert.h>
#include <string.h>
#include <algorithm>
#include "nacl_io/socket/unix_event_emitter.h"
#include "nacl_io/socket/unix_node.h"
namespace nacl_io {
UnixNode::UnixNode(Filesystem* filesystem)
: SocketNode(SOCK_STREAM, filesystem),
emitter_(UnixEventEmitter::MakeUnixEventEmitter(65536)) {
emitter_->AttachStream(this);
}
UnixNode::UnixNode(Filesystem* filesystem, const UnixNode& peer)
: SocketNode(SOCK_STREAM, filesystem),
emitter_(peer.emitter_->GetPeerEmitter()) {
emitter_->AttachStream(this);
}
EventEmitter* UnixNode::GetEventEmitter() {
return emitter_.get();
}
Error UnixNode::Recv_Locked(void* buffer,
size_t len,
PP_Resource* out_addr,
int* out_len) {
assert(emitter_.get());
*out_len = emitter_->ReadIn_Locked((char*)buffer, len);
*out_addr = 0;
return 0;
}
Error UnixNode::Send_Locked(const void* buffer,
size_t len,
PP_Resource out_addr,
int* out_len) {
assert(emitter_.get());
*out_len = emitter_->WriteOut_Locked((char*)buffer, len);
return 0;
}
Error UnixNode::RecvFrom(const HandleAttr& attr,
void* buf,
size_t len,
int flags,
struct sockaddr* src_addr,
socklen_t* addrlen,
int* out_len) {
PP_Resource addr = 0;
Error err = RecvHelper(attr, buf, len, flags, &addr, out_len);
if (0 == err) {
if (src_addr) {
unsigned short family = AF_UNIX;
memcpy(src_addr, &family,
std::min(*addrlen, static_cast<socklen_t>(sizeof(family))));
*addrlen = sizeof(family);
}
}
return err;
}
Error UnixNode::Send(const HandleAttr& attr,
const void* buf,
size_t len,
int flags,
int* out_len) {
PP_Resource addr = 0;
return SendHelper(attr, buf, len, flags, addr, out_len);
}
Error UnixNode::SendTo(const HandleAttr& attr,
const void* buf,
size_t len,
int flags,
const struct sockaddr* dest_addr,
socklen_t addrlen,
int* out_len) {
PP_Resource addr = 0;
return SendHelper(attr, buf, len, flags, addr, out_len);
}
} // namespace nacl_io
#endif // PROVIDES_SOCKET_API
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