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https://github.com/RGBCube/serenity
synced 2025-07-19 07:47:39 +00:00
LibCore+Services: Make TCPServer propagate errors
This commit is contained in:
parent
143f820c68
commit
8600d89407
6 changed files with 59 additions and 70 deletions
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@ -148,9 +148,11 @@ TEST_CASE(tcp_socket_read)
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// Core::EventLoop through Core::Notifier.
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// Core::EventLoop through Core::Notifier.
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Core::EventLoop event_loop;
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Core::EventLoop event_loop;
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auto tcp_server = Core::TCPServer::construct();
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auto maybe_tcp_server = Core::TCPServer::try_create();
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EXPECT(tcp_server->listen({ 127, 0, 0, 1 }, 9090));
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EXPECT(!maybe_tcp_server.is_error());
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tcp_server->set_blocking(true);
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auto tcp_server = maybe_tcp_server.release_value();
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EXPECT(!tcp_server->listen({ 127, 0, 0, 1 }, 9090).is_error());
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EXPECT(!tcp_server->set_blocking(true).is_error());
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auto maybe_client_socket = Core::Stream::TCPSocket::connect({ { 127, 0, 0, 1 }, 9090 });
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auto maybe_client_socket = Core::Stream::TCPSocket::connect({ { 127, 0, 0, 1 }, 9090 });
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EXPECT(!maybe_client_socket.is_error());
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EXPECT(!maybe_client_socket.is_error());
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@ -181,9 +183,11 @@ TEST_CASE(tcp_socket_write)
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{
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{
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Core::EventLoop event_loop;
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Core::EventLoop event_loop;
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auto tcp_server = Core::TCPServer::construct();
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auto maybe_tcp_server = Core::TCPServer::try_create();
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EXPECT(tcp_server->listen({ 127, 0, 0, 1 }, 9090));
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EXPECT(!maybe_tcp_server.is_error());
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tcp_server->set_blocking(true);
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auto tcp_server = maybe_tcp_server.release_value();
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EXPECT(!tcp_server->listen({ 127, 0, 0, 1 }, 9090).is_error());
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EXPECT(!tcp_server->set_blocking(true).is_error());
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auto maybe_client_socket = Core::Stream::TCPSocket::connect({ { 127, 0, 0, 1 }, 9090 });
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auto maybe_client_socket = Core::Stream::TCPSocket::connect({ { 127, 0, 0, 1 }, 9090 });
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EXPECT(!maybe_client_socket.is_error());
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EXPECT(!maybe_client_socket.is_error());
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@ -210,9 +214,11 @@ TEST_CASE(tcp_socket_eof)
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{
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{
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Core::EventLoop event_loop;
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Core::EventLoop event_loop;
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auto tcp_server = Core::TCPServer::construct();
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auto maybe_tcp_server = Core::TCPServer::try_create();
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EXPECT(tcp_server->listen({ 127, 0, 0, 1 }, 9090));
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EXPECT(!maybe_tcp_server.is_error());
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tcp_server->set_blocking(true);
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auto tcp_server = maybe_tcp_server.release_value();
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EXPECT(!tcp_server->listen({ 127, 0, 0, 1 }, 9090).is_error());
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EXPECT(!tcp_server->set_blocking(true).is_error());
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auto maybe_client_socket = Core::Stream::TCPSocket::connect({ { 127, 0, 0, 1 }, 9090 });
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auto maybe_client_socket = Core::Stream::TCPSocket::connect({ { 127, 0, 0, 1 }, 9090 });
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EXPECT(!maybe_client_socket.is_error());
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EXPECT(!maybe_client_socket.is_error());
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@ -404,9 +410,11 @@ TEST_CASE(buffered_tcp_socket_read)
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{
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{
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Core::EventLoop event_loop;
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Core::EventLoop event_loop;
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auto tcp_server = Core::TCPServer::construct();
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auto maybe_tcp_server = Core::TCPServer::try_create();
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EXPECT(tcp_server->listen({ 127, 0, 0, 1 }, 9090));
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EXPECT(!maybe_tcp_server.is_error());
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tcp_server->set_blocking(true);
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auto tcp_server = maybe_tcp_server.release_value();
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EXPECT(!tcp_server->listen({ 127, 0, 0, 1 }, 9090).is_error());
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EXPECT(!tcp_server->set_blocking(true).is_error());
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auto maybe_client_socket = Core::Stream::TCPSocket::connect({ { 127, 0, 0, 1 }, 9090 });
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auto maybe_client_socket = Core::Stream::TCPSocket::connect({ { 127, 0, 0, 1 }, 9090 });
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EXPECT(!maybe_client_socket.is_error());
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EXPECT(!maybe_client_socket.is_error());
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@ -1,5 +1,6 @@
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/*
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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*
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*
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* SPDX-License-Identifier: BSD-2-Clause
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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*/
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@ -7,53 +8,47 @@
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#include <AK/IPv4Address.h>
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#include <AK/IPv4Address.h>
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#include <AK/Types.h>
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#include <AK/Types.h>
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#include <LibCore/Notifier.h>
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#include <LibCore/Notifier.h>
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#include <LibCore/System.h>
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#include <LibCore/TCPServer.h>
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#include <LibCore/TCPServer.h>
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#include <LibCore/TCPSocket.h>
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#include <LibCore/TCPSocket.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <sys/socket.h>
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#include <unistd.h>
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#ifndef SOCK_NONBLOCK
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# include <sys/ioctl.h>
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#endif
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namespace Core {
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namespace Core {
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TCPServer::TCPServer(Object* parent)
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ErrorOr<NonnullRefPtr<TCPServer>> TCPServer::try_create(Object* parent)
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: Object(parent)
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{
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{
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#ifdef SOCK_NONBLOCK
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#ifdef SOCK_NONBLOCK
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m_fd = socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0);
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int fd = TRY(Core::System::socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0));
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#else
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#else
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m_fd = socket(AF_INET, SOCK_STREAM, 0);
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int fd = TRY(Core::System::socket(AF_INET, SOCK_STREAM, 0));
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int option = 1;
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int option = 1;
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ioctl(m_fd, FIONBIO, &option);
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TRY(Core::System::ioctl(fd, FIONBIO, &option));
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fcntl(m_fd, F_SETFD, FD_CLOEXEC);
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TRY(Core::System::fcntl(fd, F_SETFD, FD_CLOEXEC));
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#endif
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#endif
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return adopt_nonnull_ref_or_enomem(new (nothrow) TCPServer(fd, parent));
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}
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TCPServer::TCPServer(int fd, Object* parent)
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: Object(parent)
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, m_fd(fd)
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{
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VERIFY(m_fd >= 0);
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VERIFY(m_fd >= 0);
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}
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}
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TCPServer::~TCPServer()
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TCPServer::~TCPServer()
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{
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{
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::close(m_fd);
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MUST(Core::System::close(m_fd));
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}
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}
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bool TCPServer::listen(const IPv4Address& address, u16 port)
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ErrorOr<void> TCPServer::listen(IPv4Address const& address, u16 port)
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{
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{
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if (m_listening)
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if (m_listening)
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return false;
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return Error::from_errno(EADDRINUSE);
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auto socket_address = SocketAddress(address, port);
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auto socket_address = SocketAddress(address, port);
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auto in = socket_address.to_sockaddr_in();
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auto in = socket_address.to_sockaddr_in();
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if (::bind(m_fd, (const sockaddr*)&in, sizeof(in)) < 0) {
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TRY(Core::System::bind(m_fd, (sockaddr const*)&in, sizeof(in)));
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perror("TCPServer::listen: bind");
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TRY(Core::System::listen(m_fd, 5));
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return false;
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}
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if (::listen(m_fd, 5) < 0) {
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perror("TCPServer::listen: listen");
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return false;
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}
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m_listening = true;
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m_listening = true;
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m_notifier = Notifier::construct(m_fd, Notifier::Event::Read, this);
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m_notifier = Notifier::construct(m_fd, Notifier::Event::Read, this);
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@ -61,18 +56,17 @@ bool TCPServer::listen(const IPv4Address& address, u16 port)
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if (on_ready_to_accept)
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if (on_ready_to_accept)
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on_ready_to_accept();
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on_ready_to_accept();
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};
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};
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return true;
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return {};
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}
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}
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void TCPServer::set_blocking(bool blocking)
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ErrorOr<void> TCPServer::set_blocking(bool blocking)
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{
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{
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int flags = fcntl(m_fd, F_GETFL, 0);
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int flags = TRY(Core::System::fcntl(m_fd, F_GETFL, 0));
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VERIFY(flags >= 0);
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if (blocking)
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if (blocking)
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flags = fcntl(m_fd, F_SETFL, flags & ~O_NONBLOCK);
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TRY(Core::System::fcntl(m_fd, F_SETFL, flags & ~O_NONBLOCK));
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else
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else
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flags = fcntl(m_fd, F_SETFL, flags | O_NONBLOCK);
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TRY(Core::System::fcntl(m_fd, F_SETFL, flags | O_NONBLOCK));
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VERIFY(flags == 0);
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return {};
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}
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}
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ErrorOr<Stream::TCPSocket> TCPServer::accept()
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ErrorOr<Stream::TCPSocket> TCPServer::accept()
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@ -81,15 +75,11 @@ ErrorOr<Stream::TCPSocket> TCPServer::accept()
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sockaddr_in in;
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sockaddr_in in;
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socklen_t in_size = sizeof(in);
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socklen_t in_size = sizeof(in);
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#ifndef AK_OS_MACOS
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#ifndef AK_OS_MACOS
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int accepted_fd = ::accept4(m_fd, (sockaddr*)&in, &in_size, SOCK_NONBLOCK | SOCK_CLOEXEC);
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int accepted_fd = TRY(Core::System::accept4(m_fd, (sockaddr*)&in, &in_size, SOCK_NONBLOCK | SOCK_CLOEXEC));
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#else
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#else
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int accepted_fd = ::accept(m_fd, (sockaddr*)&in, &in_size);
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int accepted_fd = TRY(Core::System::accept(m_fd, (sockaddr*)&in, &in_size));
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#endif
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#endif
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if (accepted_fd < 0) {
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return Error::from_errno(errno);
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}
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auto socket = TRY(Stream::TCPSocket::adopt_fd(accepted_fd));
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auto socket = TRY(Stream::TCPSocket::adopt_fd(accepted_fd));
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#ifdef AK_OS_MACOS
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#ifdef AK_OS_MACOS
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@ -1,5 +1,6 @@
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/*
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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*
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*
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* SPDX-License-Identifier: BSD-2-Clause
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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*/
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@ -14,13 +15,14 @@
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namespace Core {
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namespace Core {
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class TCPServer : public Object {
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class TCPServer : public Object {
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C_OBJECT(TCPServer)
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C_OBJECT_ABSTRACT(TCPServer)
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public:
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public:
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static ErrorOr<NonnullRefPtr<TCPServer>> try_create(Object* parent = nullptr);
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virtual ~TCPServer() override;
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virtual ~TCPServer() override;
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bool is_listening() const { return m_listening; }
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bool is_listening() const { return m_listening; }
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bool listen(const IPv4Address& address, u16 port);
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ErrorOr<void> listen(IPv4Address const& address, u16 port);
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void set_blocking(bool blocking);
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ErrorOr<void> set_blocking(bool blocking);
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ErrorOr<Stream::TCPSocket> accept();
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ErrorOr<Stream::TCPSocket> accept();
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@ -30,7 +32,7 @@ public:
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Function<void()> on_ready_to_accept;
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Function<void()> on_ready_to_accept;
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private:
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private:
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explicit TCPServer(Object* parent = nullptr);
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explicit TCPServer(int fd, Object* parent = nullptr);
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int m_fd { -1 };
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int m_fd { -1 };
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bool m_listening { false };
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bool m_listening { false };
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@ -31,12 +31,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
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Core::EventLoop event_loop;
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Core::EventLoop event_loop;
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auto server = Core::TCPServer::construct();
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auto server = TRY(Core::TCPServer::try_create());
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TRY(server->listen({}, port));
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if (!server->listen({}, port)) {
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warnln("Listening on 0.0.0.0:{} failed", port);
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exit(1);
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}
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HashMap<int, NonnullRefPtr<Client>> clients;
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HashMap<int, NonnullRefPtr<Client>> clients;
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int next_id = 0;
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int next_id = 0;
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@ -97,12 +97,8 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
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}
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}
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Core::EventLoop event_loop;
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Core::EventLoop event_loop;
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auto server = Core::TCPServer::construct();
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auto server = TRY(Core::TCPServer::try_create());
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TRY(server->listen({}, port));
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if (!server->listen({}, port)) {
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warnln("Listening on 0.0.0.0:{} failed", port);
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exit(1);
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}
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HashMap<int, NonnullRefPtr<Client>> clients;
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HashMap<int, NonnullRefPtr<Client>> clients;
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int next_id = 0;
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int next_id = 0;
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@ -89,10 +89,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
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client->start();
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client->start();
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};
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};
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if (!server->listen(ipv4_address.value(), port)) {
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TRY(server->listen(ipv4_address.value(), port));
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warnln("Failed to listen on {}:{}", ipv4_address.value(), port);
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return 1;
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}
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outln("Listening on {}:{}", ipv4_address.value(), port);
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outln("Listening on {}:{}", ipv4_address.value(), port);
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