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Refactored away some grossly duplicated code in Socket::write.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3357 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2016-12-22 16:39:01 +00:00
parent ba298b2e7c
commit 937e32fb99
2 changed files with 51 additions and 45 deletions
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94
src/Socket.cpp
View File

@ -483,32 +483,60 @@ void Socket::notifyDataRead(const char* data, size_t length) {
} }
} }
int Socket::writeBytes(std::function<int(const char*, size_t)> callback, v8::Handle<v8::Value> value, int* outLength) {
int result = -1;
if (value->IsArrayBufferView()) {
v8::Handle<v8::ArrayBufferView> array = v8::Handle<v8::ArrayBufferView>::Cast(value);
result = callback(reinterpret_cast<const char*>(array->Buffer()->GetContents().Data()), array->Buffer()->GetContents().ByteLength());
if (outLength) {
*outLength = array->Buffer()->GetContents().ByteLength();
}
} else if (value->IsString()) {
v8::Handle<v8::String> stringValue = v8::Handle<v8::String>::Cast(value);
if (stringValue->ContainsOnlyOneByte()) {
std::vector<uint8_t> bytes(stringValue->Length());
stringValue->WriteOneByte(bytes.data(), 0, bytes.size(), v8::String::NO_NULL_TERMINATION);
result = callback(reinterpret_cast<const char*>(bytes.data()), bytes.size());
if (outLength) {
*outLength = stringValue->Length();
}
} else {
v8::String::Utf8Value utf8(stringValue);
result = callback(*utf8, utf8.length());
if (outLength) {
*outLength = utf8.length();
}
}
}
return result;
}
int Socket::writeInternal(promiseid_t promise, const char* data, size_t length) {
char* rawBuffer = new char[sizeof(uv_write_t) + length];
uv_write_t* request = reinterpret_cast<uv_write_t*>(rawBuffer);
std::memcpy(rawBuffer + sizeof(uv_write_t), data, length);
uv_buf_t buffer;
buffer.base = rawBuffer + sizeof(uv_write_t);
buffer.len = length;
request->data = reinterpret_cast<void*>(promise);
return uv_write(request, reinterpret_cast<uv_stream_t*>(&_socket), &buffer, 1, onWrite);
}
void Socket::write(const v8::FunctionCallbackInfo<v8::Value>& args) { void Socket::write(const v8::FunctionCallbackInfo<v8::Value>& args) {
if (Socket* socket = Socket::get(args.Data())) { if (Socket* socket = Socket::get(args.Data())) {
promiseid_t promise = socket->_task->allocatePromise(); promiseid_t promise = socket->_task->allocatePromise();
args.GetReturnValue().Set(socket->_task->getPromise(promise)); args.GetReturnValue().Set(socket->_task->getPromise(promise));
v8::Handle<v8::Value> value = args[0]; v8::Handle<v8::Value> value = args[0];
if (!value.IsEmpty() && (value->IsString() || value->IsUint8Array())) { if (!value.IsEmpty()) {
if (socket->_tls) { if (socket->_tls) {
socket->reportTlsErrors(); socket->reportTlsErrors();
int result; int length = 0;
int length; std::function<int(const char*, size_t)> writeFunction = std::bind(&TlsSession::writePlain, socket->_tls, std::placeholders::_1, std::placeholders::_2);
if (value->IsArrayBufferView()) { int result = socket->writeBytes(writeFunction, value, &length);
v8::Handle<v8::ArrayBufferView> array = v8::Handle<v8::ArrayBufferView>::Cast(value);
result = socket->_tls->writePlain(reinterpret_cast<const char*>(array->Buffer()->GetContents().Data()), array->Buffer()->GetContents().ByteLength());
} else if (value->IsString()) {
v8::Handle<v8::String> stringValue = v8::Handle<v8::String>::Cast(value);
if (stringValue->ContainsOnlyOneByte()) {
length = stringValue->Length();
std::vector<uint8_t> bytes(length);
stringValue->WriteOneByte(bytes.data(), 0, bytes.size(), v8::String::NO_NULL_TERMINATION);
result = socket->_tls->writePlain(reinterpret_cast<const char*>(bytes.data()), bytes.size());
} else {
v8::String::Utf8Value utf8(stringValue);
length = utf8.length();
result = socket->_tls->writePlain(*utf8, utf8.length());
}
}
char buffer[8192]; char buffer[8192];
if (result <= 0 && socket->_tls->getError(buffer, sizeof(buffer))) { if (result <= 0 && socket->_tls->getError(buffer, sizeof(buffer))) {
socket->_task->rejectPromise(promise, v8::String::NewFromUtf8(args.GetIsolate(), buffer)); socket->_task->rejectPromise(promise, v8::String::NewFromUtf8(args.GetIsolate(), buffer));
@ -520,34 +548,10 @@ void Socket::write(const v8::FunctionCallbackInfo<v8::Value>& args) {
socket->processOutgoingTls(); socket->processOutgoingTls();
} else { } else {
int length; int length;
char* rawBuffer = 0;
v8::Handle<v8::String> stringValue = v8::Handle<v8::String>::Cast(value);
if (stringValue->IsArrayBufferView()) {
v8::Handle<v8::ArrayBufferView> array = v8::Handle<v8::ArrayBufferView>::Cast(value);
length = array->Buffer()->GetContents().ByteLength();
rawBuffer = new char[sizeof(uv_write_t) + length];
std::memcpy(rawBuffer + sizeof(uv_write_t), array->Buffer()->GetContents().Data(), length);
} else if (value->IsString()) {
v8::String::Utf8Value utf8(stringValue);
if (stringValue->ContainsOnlyOneByte()) {
length = stringValue->Length();
rawBuffer = new char[sizeof(uv_write_t) + length];
stringValue->WriteOneByte(reinterpret_cast<uint8_t*>(rawBuffer) + sizeof(uv_write_t), 0, length, v8::String::NO_NULL_TERMINATION);
} else {
v8::String::Utf8Value utf8(stringValue);
length = utf8.length();
rawBuffer = new char[sizeof(uv_write_t) + length];
std::memcpy(rawBuffer + sizeof(uv_write_t), *utf8, length);
}
}
uv_write_t* request = reinterpret_cast<uv_write_t*>(rawBuffer);
uv_buf_t buffer; std::function<int(const char*, size_t)> writeFunction = std::bind(&Socket::writeInternal, socket, promise, std::placeholders::_1, std::placeholders::_2);
buffer.base = rawBuffer + sizeof(uv_write_t); int result = socket->writeBytes(writeFunction, value, &length);
buffer.len = length;
request->data = reinterpret_cast<void*>(promise);
int result = uv_write(request, reinterpret_cast<uv_stream_t*>(&socket->_socket), &buffer, 1, onWrite);
if (result != 0) { if (result != 0) {
std::string error = "uv_write: " + std::string(uv_strerror(result)); std::string error = "uv_write: " + std::string(uv_strerror(result));
socket->_task->rejectPromise(promise, v8::String::NewFromUtf8(args.GetIsolate(), error.c_str(), v8::String::kNormalString, error.size())); socket->_task->rejectPromise(promise, v8::String::NewFromUtf8(args.GetIsolate(), error.c_str(), v8::String::kNormalString, error.size()));

2
src/Socket.h
View File

@ -75,6 +75,8 @@ private:
static void onRelease(const v8::WeakCallbackInfo<Socket>& data); static void onRelease(const v8::WeakCallbackInfo<Socket>& data);
void notifyDataRead(const char* data, size_t length); void notifyDataRead(const char* data, size_t length);
int writeBytes(std::function<int(const char*, size_t)> callback, v8::Handle<v8::Value> value, int* outLength);
int writeInternal(promiseid_t promise, const char* data, size_t length);
void processTlsShutdown(promiseid_t promise); void processTlsShutdown(promiseid_t promise);
static void onTlsShutdown(uv_write_t* request, int status); static void onTlsShutdown(uv_write_t* request, int status);
void shutdownInternal(promiseid_t promise); void shutdownInternal(promiseid_t promise);