HRESULT NamedPipeChannel::Create(const base::StringPiece16& name, DWORD mode,
DWORD max_instances, DWORD default_timeout) {
// drop unsupported flags
mode &= ~(PIPE_NOWAIT | PIPE_REJECT_REMOTE_CLIENTS);
base::AutoLock guard(lock_);
if (work_ == nullptr || handle_ != INVALID_HANDLE_VALUE || io_ != nullptr)
return E_HANDLE;
auto pipe_name = kPipeNamePrefix + name.as_string();
handle_ = CreateNamedPipe(pipe_name.c_str(),
PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED, mode,
max_instances, 0, 0, default_timeout, nullptr);
if (handle_ == INVALID_HANDLE_VALUE)
return HRESULT_FROM_WIN32(GetLastError());
io_ = CreateThreadpoolIo(handle_, OnCompleted, this, nullptr);
if (io_ == nullptr)
return HRESULT_FROM_WIN32(GetLastError());
end_point_ = EndPoint::kServer;
return S_OK;
}
HRESULT NamedPipeChannel::Open(const base::StringPiece16& name, DWORD timeout) {
base::AutoLock guard(lock_);
if (work_ == nullptr || handle_ != INVALID_HANDLE_VALUE || io_ != nullptr)
return E_HANDLE;
auto pipe_name = kPipeNamePrefix + name.as_string();
if (!WaitNamedPipe(pipe_name.c_str(), timeout))
return HRESULT_FROM_WIN32(GetLastError());
handle_ = CreateFile(pipe_name.c_str(), GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
nullptr, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL);
if (handle_ == INVALID_HANDLE_VALUE)
return HRESULT_FROM_WIN32(GetLastError());
io_ = CreateThreadpoolIo(handle_, OnCompleted, this, nullptr);
if (io_ == nullptr)
return HRESULT_FROM_WIN32(GetLastError());
end_point_ = EndPoint::kClient;
return S_OK;
}
bool TrimString(const string16& input,
const base::StringPiece16& trim_chars,
string16* output) {
return TrimStringT(input, trim_chars.as_string(), TRIM_ALL, output) !=
TRIM_NONE;
}
bool RemoveChars(const string16& input,
const base::StringPiece16& remove_chars,
string16* output) {
return ReplaceChars(input, remove_chars.as_string(), string16(), output);
}
bool ReplaceChars(const string16& input,
const base::StringPiece16& replace_chars,
const string16& replace_with,
string16* output) {
return ReplaceCharsT(input, replace_chars.as_string(), replace_with, output);
}