blob: 00d3ec4160f205fe827fd24ef1b105fe08143435 [file] [log] [blame] [edit]
// Copyright (c) 2017, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
#include "bin/sync_socket.h"
#include "bin/dartutils.h"
#include "bin/io_buffer.h"
#include "bin/isolate_data.h"
#include "bin/lockers.h"
#include "bin/thread.h"
#include "bin/utils.h"
#include "include/dart_api.h"
#include "platform/globals.h"
#include "platform/utils.h"
#define DART_CHECK_ERROR_AND_CLEANUP(handle, ptr) \
do { \
if (Dart_IsError((handle))) { \
delete (ptr); \
Dart_SetReturnValue(args, (handle)); \
return; \
} \
} while (0)
#define DART_CHECK_ERROR(handle) \
do { \
if (Dart_IsError((handle))) { \
Dart_SetReturnValue(args, (handle)); \
return; \
} \
} while (0)
namespace dart {
namespace bin {
static constexpr int kSocketIdNativeField = 0;
void FUNCTION_NAME(SynchronousSocket_LookupRequest)(Dart_NativeArguments args) {
if (Dart_GetNativeArgumentCount(args) != 2) {
Dart_SetReturnValue(
args, DartUtils::NewDartArgumentError("Invalid argument count."));
return;
}
char* peer = nullptr;
Dart_Handle host_arg =
Dart_GetNativeStringArgument(args, 0, reinterpret_cast<void**>(&peer));
DART_CHECK_ERROR(host_arg);
char* host = nullptr;
host_arg = Dart_StringToCString(host_arg, const_cast<const char**>(&host));
DART_CHECK_ERROR(host_arg);
int64_t type = 0;
Dart_Handle port_error = Dart_GetNativeIntegerArgument(args, 1, &type);
DART_CHECK_ERROR(port_error);
OSError* os_error = nullptr;
AddressList<SocketAddress>* addresses =
SocketBase::LookupAddress(host, type, &os_error);
if (addresses == nullptr) {
Dart_SetReturnValue(args, DartUtils::NewDartOSError(os_error));
return;
}
Dart_Handle array = Dart_NewList(addresses->count());
DART_CHECK_ERROR_AND_CLEANUP(array, addresses);
for (intptr_t i = 0; i < addresses->count(); i++) {
SocketAddress* addr = addresses->GetAt(i);
Dart_Handle entry = Dart_NewList(3);
DART_CHECK_ERROR_AND_CLEANUP(entry, addresses);
Dart_Handle type = Dart_NewInteger(addr->GetType());
DART_CHECK_ERROR_AND_CLEANUP(type, addresses);
Dart_Handle error = Dart_ListSetAt(entry, 0, type);
DART_CHECK_ERROR_AND_CLEANUP(error, addresses);
Dart_Handle as_string = Dart_NewStringFromCString(addr->as_string());
DART_CHECK_ERROR_AND_CLEANUP(as_string, addresses);
error = Dart_ListSetAt(entry, 1, as_string);
DART_CHECK_ERROR_AND_CLEANUP(error, addresses);
RawAddr raw = addr->addr();
Dart_Handle data = SocketAddress::ToTypedData(raw);
DART_CHECK_ERROR_AND_CLEANUP(data, addresses);
error = Dart_ListSetAt(entry, 2, data);
DART_CHECK_ERROR_AND_CLEANUP(error, addresses);
error = Dart_ListSetAt(array, i, entry);
DART_CHECK_ERROR_AND_CLEANUP(error, addresses);
}
delete addresses;
Dart_SetReturnValue(args, array);
return;
}
void FUNCTION_NAME(SynchronousSocket_CreateConnectSync)(
Dart_NativeArguments args) {
RawAddr addr;
SocketAddress::GetSockAddr(Dart_GetNativeArgument(args, 1), &addr);
Dart_Handle port_arg = Dart_GetNativeArgument(args, 2);
DART_CHECK_ERROR(port_arg);
int64_t port = DartUtils::GetInt64ValueCheckRange(port_arg, 0, 65535);
SocketAddress::SetAddrPort(&addr, static_cast<intptr_t>(port));
intptr_t socket = SynchronousSocket::CreateConnect(addr);
if (socket >= 0) {
Dart_Handle error = SynchronousSocket::SetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), new SynchronousSocket(socket));
DART_CHECK_ERROR(error);
Dart_SetBooleanReturnValue(args, true);
} else {
Dart_SetReturnValue(args, DartUtils::NewDartOSError());
}
}
void FUNCTION_NAME(SynchronousSocket_WriteList)(Dart_NativeArguments args) {
SynchronousSocket* socket = nullptr;
Dart_Handle result = SynchronousSocket::GetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), &socket);
DART_CHECK_ERROR(result);
Dart_Handle buffer_obj = Dart_GetNativeArgument(args, 1);
if (!Dart_IsList(buffer_obj)) {
Dart_SetReturnValue(args, DartUtils::NewDartArgumentError(
"First parameter must be a List<int>"));
return;
}
intptr_t offset = DartUtils::GetIntptrValue(Dart_GetNativeArgument(args, 2));
intptr_t length = DartUtils::GetIntptrValue(Dart_GetNativeArgument(args, 3));
Dart_TypedData_Type type;
uint8_t* buffer = nullptr;
intptr_t len;
result = Dart_TypedDataAcquireData(buffer_obj, &type,
reinterpret_cast<void**>(&buffer), &len);
DART_CHECK_ERROR(result);
ASSERT((offset + length) <= len);
buffer += offset;
intptr_t bytes_written =
SynchronousSocket::Write(socket->fd(), buffer, length);
Dart_TypedDataReleaseData(buffer_obj);
if (bytes_written >= 0) {
Dart_SetIntegerReturnValue(args, bytes_written);
} else {
OSError os_error;
Dart_SetReturnValue(args, DartUtils::NewDartOSError(&os_error));
}
}
void FUNCTION_NAME(SynchronousSocket_ReadList)(Dart_NativeArguments args) {
SynchronousSocket* socket = nullptr;
Dart_Handle result = SynchronousSocket::GetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), &socket);
DART_CHECK_ERROR(result);
Dart_Handle buffer_obj = Dart_GetNativeArgument(args, 1);
if (!Dart_IsList(buffer_obj)) {
Dart_SetReturnValue(args, DartUtils::NewDartArgumentError(
"First parameter must be a List<int>"));
return;
}
intptr_t offset = DartUtils::GetIntptrValue(Dart_GetNativeArgument(args, 2));
intptr_t bytes = DartUtils::GetIntptrValue(Dart_GetNativeArgument(args, 3));
intptr_t array_len = 0;
result = Dart_ListLength(buffer_obj, &array_len);
DART_CHECK_ERROR(result);
uint8_t* buffer = Dart_ScopeAllocate(bytes);
intptr_t bytes_read = SynchronousSocket::Read(socket->fd(), buffer, bytes);
if (bytes_read < 0) {
Dart_SetReturnValue(args, DartUtils::NewDartOSError());
return;
}
if (bytes_read > 0) {
result = Dart_ListSetAsBytes(buffer_obj, offset, buffer, bytes_read);
DART_CHECK_ERROR(result);
}
Dart_SetIntegerReturnValue(args, bytes_read);
}
void FUNCTION_NAME(SynchronousSocket_Available)(Dart_NativeArguments args) {
SynchronousSocket* socket = nullptr;
Dart_Handle result = SynchronousSocket::GetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), &socket);
DART_CHECK_ERROR(result);
intptr_t available = SynchronousSocket::Available(socket->fd());
if (available >= 0) {
Dart_SetIntegerReturnValue(args, available);
} else {
Dart_SetReturnValue(args, DartUtils::NewDartOSError());
}
}
void FUNCTION_NAME(SynchronousSocket_CloseSync)(Dart_NativeArguments args) {
SynchronousSocket* socket = nullptr;
Dart_Handle result = SynchronousSocket::GetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), &socket);
DART_CHECK_ERROR(result);
SynchronousSocket::Close(socket->fd());
socket->SetClosedFd();
}
void FUNCTION_NAME(SynchronousSocket_Read)(Dart_NativeArguments args) {
SynchronousSocket* socket = nullptr;
Dart_Handle result = SynchronousSocket::GetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), &socket);
DART_CHECK_ERROR(result);
int64_t length = 0;
if (!DartUtils::GetInt64Value(Dart_GetNativeArgument(args, 1), &length) ||
(length < 0)) {
Dart_SetReturnValue(args, DartUtils::NewDartArgumentError(
"First parameter must be an integer."));
return;
}
uint8_t* buffer = nullptr;
result = IOBuffer::Allocate(length, &buffer);
if (Dart_IsNull(result)) {
Dart_SetReturnValue(args, DartUtils::NewDartOSError());
return;
}
ASSERT(buffer != nullptr);
intptr_t bytes_read = SynchronousSocket::Read(socket->fd(), buffer, length);
if (bytes_read == length) {
Dart_SetReturnValue(args, result);
} else if (bytes_read > 0) {
uint8_t* new_buffer = nullptr;
Dart_Handle new_result = IOBuffer::Allocate(bytes_read, &new_buffer);
if (Dart_IsNull(new_result)) {
Dart_SetReturnValue(args, DartUtils::NewDartOSError());
return;
}
ASSERT(new_buffer != nullptr);
memmove(new_buffer, buffer, bytes_read);
Dart_SetReturnValue(args, new_result);
} else if (bytes_read == -1) {
Dart_SetReturnValue(args, DartUtils::NewDartOSError());
}
}
void FUNCTION_NAME(SynchronousSocket_ShutdownRead)(Dart_NativeArguments args) {
SynchronousSocket* socket = nullptr;
Dart_Handle result = SynchronousSocket::GetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), &socket);
DART_CHECK_ERROR(result);
SynchronousSocket::ShutdownRead(socket->fd());
}
void FUNCTION_NAME(SynchronousSocket_ShutdownWrite)(Dart_NativeArguments args) {
SynchronousSocket* socket = nullptr;
Dart_Handle result = SynchronousSocket::GetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), &socket);
DART_CHECK_ERROR(result);
SynchronousSocket::ShutdownWrite(socket->fd());
}
void FUNCTION_NAME(SynchronousSocket_GetPort)(Dart_NativeArguments args) {
SynchronousSocket* socket = nullptr;
Dart_Handle result = SynchronousSocket::GetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), &socket);
DART_CHECK_ERROR(result);
intptr_t port = SynchronousSocket::GetPort(socket->fd());
if (port > 0) {
Dart_SetReturnValue(args, Dart_NewInteger(port));
} else {
Dart_SetReturnValue(args, DartUtils::NewDartOSError());
}
}
void FUNCTION_NAME(SynchronousSocket_GetRemotePeer)(Dart_NativeArguments args) {
SynchronousSocket* socket = nullptr;
Dart_Handle result = SynchronousSocket::GetSocketIdNativeField(
Dart_GetNativeArgument(args, 0), &socket);
DART_CHECK_ERROR(result);
intptr_t port = 0;
SocketAddress* addr = SynchronousSocket::GetRemotePeer(socket->fd(), &port);
if (addr == nullptr) {
Dart_SetReturnValue(args, DartUtils::NewDartOSError());
return;
}
Dart_Handle list = Dart_NewList(2);
DART_CHECK_ERROR_AND_CLEANUP(list, addr);
Dart_Handle entry = Dart_NewList(3);
DART_CHECK_ERROR_AND_CLEANUP(entry, addr);
Dart_Handle error =
Dart_ListSetAt(entry, 0, Dart_NewInteger(addr->GetType()));
DART_CHECK_ERROR_AND_CLEANUP(error, addr);
error =
Dart_ListSetAt(entry, 1, Dart_NewStringFromCString(addr->as_string()));
DART_CHECK_ERROR_AND_CLEANUP(error, addr);
RawAddr raw = addr->addr();
error = Dart_ListSetAt(entry, 2, SocketAddress::ToTypedData(raw));
DART_CHECK_ERROR_AND_CLEANUP(error, addr);
error = Dart_ListSetAt(list, 0, entry);
DART_CHECK_ERROR_AND_CLEANUP(error, addr);
error = Dart_ListSetAt(list, 1, Dart_NewInteger(port));
DART_CHECK_ERROR_AND_CLEANUP(error, addr);
Dart_SetReturnValue(args, list);
delete addr;
}
static void SynchronousSocketFinalizer(void* isolate_data, void* data) {
SynchronousSocket* socket = reinterpret_cast<SynchronousSocket*>(data);
if (socket->fd() >= 0) {
SynchronousSocket::Close(socket->fd());
socket->SetClosedFd();
}
delete socket;
}
Dart_Handle SynchronousSocket::SetSocketIdNativeField(
Dart_Handle handle,
SynchronousSocket* socket) {
Dart_Handle error = Dart_SetNativeInstanceField(
handle, kSocketIdNativeField, reinterpret_cast<intptr_t>(socket));
if (Dart_IsError(error)) {
delete socket;
return error;
}
Dart_NewFinalizableHandle(handle, reinterpret_cast<void*>(socket),
sizeof(SynchronousSocket),
SynchronousSocketFinalizer);
return error;
}
Dart_Handle SynchronousSocket::GetSocketIdNativeField(
Dart_Handle socket_obj,
SynchronousSocket** socket) {
ASSERT(socket != nullptr);
intptr_t id;
Dart_Handle result =
Dart_GetNativeInstanceField(socket_obj, kSocketIdNativeField, &id);
if (Dart_IsError(result)) {
return result;
}
*socket = reinterpret_cast<SynchronousSocket*>(id);
if (*socket == nullptr) {
Dart_PropagateError(Dart_NewUnhandledExceptionError(
DartUtils::NewInternalError("No native peer")));
}
return result;
}
} // namespace bin
} // namespace dart