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event/ServerSocket: pass UniqueSocketDescriptor by value

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Passing it by value is actually smaller (32 bit) than the rvalue
reference (64 bit pointer), and it ensures that the object is consumed
after the call returns, no matter how the methods are implemented.
This commit is contained in:
Max Kellermann 2017-11-10 20:43:14 +01:00
parent 5fd2b7cc79
commit 0ff4350352
8 changed files with 13 additions and 12 deletions
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3
src/Listen.cxx
View File

@ -24,6 +24,7 @@
#include "config/ConfigGlobal.hxx"
#include "config/ConfigOption.hxx"
#include "net/SocketAddress.hxx"
#include "net/UniqueSocketDescriptor.hxx"
#include "event/ServerSocket.hxx"
#include "system/Error.hxx"
#include "util/RuntimeError.hxx"
@ -50,7 +51,7 @@ public:
:ServerSocket(_loop), partition(_partition) {}
private:
void OnAccept(UniqueSocketDescriptor &&fd,
void OnAccept(UniqueSocketDescriptor fd,
SocketAddress address, int uid) override {
client_new(GetEventLoop(), partition,
std::move(fd), address, uid);

4
src/client/Client.hxx
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@ -97,7 +97,7 @@ public:
std::list<ClientMessage> messages;
Client(EventLoop &loop, Partition &partition,
UniqueSocketDescriptor &&fd, int uid, int num);
UniqueSocketDescriptor fd, int uid, int num);
~Client() {
if (FullyBufferedSocket::IsDefined())
@ -239,7 +239,7 @@ client_manager_init();
void
client_new(EventLoop &loop, Partition &partition,
UniqueSocketDescriptor &&fd, SocketAddress address, int uid);
UniqueSocketDescriptor fd, SocketAddress address, int uid);
/**
* Write a printf-like formatted string to the client.

4
src/client/ClientNew.cxx
View File

@ -42,7 +42,7 @@
static constexpr char GREETING[] = "OK MPD " PROTOCOL_VERSION "\n";
Client::Client(EventLoop &_loop, Partition &_partition,
UniqueSocketDescriptor &&_fd, int _uid, int _num)
UniqueSocketDescriptor _fd, int _uid, int _num)
:FullyBufferedSocket(_fd.Release(), _loop,
16384, client_max_output_buffer_size),
timeout_event(_loop, BIND_THIS_METHOD(OnTimeout)),
@ -56,7 +56,7 @@ Client::Client(EventLoop &_loop, Partition &_partition,
void
client_new(EventLoop &loop, Partition &partition,
UniqueSocketDescriptor &&fd, SocketAddress address, int uid)
UniqueSocketDescriptor fd, SocketAddress address, int uid)
{
static unsigned int next_client_num;
const auto remote = ToString(address);

2
src/event/ServerSocket.hxx
View File

@ -117,7 +117,7 @@ public:
void Close();
protected:
virtual void OnAccept(UniqueSocketDescriptor &&fd,
virtual void OnAccept(UniqueSocketDescriptor fd,
SocketAddress address, int uid) = 0;
};

2
src/output/plugins/httpd/HttpdClient.cxx
View File

@ -186,7 +186,7 @@ HttpdClient::SendResponse()
return true;
}
HttpdClient::HttpdClient(HttpdOutput &_httpd, UniqueSocketDescriptor &&_fd,
HttpdClient::HttpdClient(HttpdOutput &_httpd, UniqueSocketDescriptor _fd,
EventLoop &_loop,
bool _metadata_supported)
:BufferedSocket(_fd.Release(), _loop),

2
src/output/plugins/httpd/HttpdClient.hxx
View File

@ -132,7 +132,7 @@ public:
* @param httpd the HTTP output device
* @param _fd the socket file descriptor
*/
HttpdClient(HttpdOutput &httpd, UniqueSocketDescriptor &&_fd,
HttpdClient(HttpdOutput &httpd, UniqueSocketDescriptor _fd,
EventLoop &_loop,
bool _metadata_supported);

4
src/output/plugins/httpd/HttpdInternal.hxx
View File

@ -206,7 +206,7 @@ public:
return HasClients();
}
void AddClient(UniqueSocketDescriptor &&fd);
void AddClient(UniqueSocketDescriptor fd);
/**
* Removes a client from the httpd_output.clients linked list.
@ -257,7 +257,7 @@ public:
private:
virtual void RunDeferred() override;
void OnAccept(UniqueSocketDescriptor &&fd,
void OnAccept(UniqueSocketDescriptor fd,
SocketAddress address, int uid) override;
};

4
src/output/plugins/httpd/HttpdOutputPlugin.cxx
View File

@ -118,7 +118,7 @@ HttpdOutput::Unbind()
* HttpdOutput.clients linked list.
*/
inline void
HttpdOutput::AddClient(UniqueSocketDescriptor &&fd)
HttpdOutput::AddClient(UniqueSocketDescriptor fd)
{
auto *client = new HttpdClient(*this, std::move(fd), GetEventLoop(),
!encoder->ImplementsTag());
@ -151,7 +151,7 @@ HttpdOutput::RunDeferred()
}
void
HttpdOutput::OnAccept(UniqueSocketDescriptor &&fd,
HttpdOutput::OnAccept(UniqueSocketDescriptor fd,
SocketAddress address, gcc_unused int uid)
{
/* the listener socket has become readable - a client has