diff options
Diffstat (limited to 'Kernel/Net/IPv4Socket.cpp')
-rw-r--r-- | Kernel/Net/IPv4Socket.cpp | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/Kernel/Net/IPv4Socket.cpp b/Kernel/Net/IPv4Socket.cpp index a539b4c503..9f27421697 100644 --- a/Kernel/Net/IPv4Socket.cpp +++ b/Kernel/Net/IPv4Socket.cpp @@ -35,22 +35,31 @@ Lockable<HashTable<IPv4Socket*>>& IPv4Socket::all_sockets() return *s_table; } +OwnPtr<DoubleBuffer> IPv4Socket::create_receive_buffer() +{ + return DoubleBuffer::try_create(256 * KiB); +} + KResultOr<NonnullRefPtr<Socket>> IPv4Socket::create(int type, int protocol) { + auto receive_buffer = IPv4Socket::create_receive_buffer(); + if (!receive_buffer) + return ENOMEM; + if (type == SOCK_STREAM) { - auto tcp_socket = TCPSocket::create(protocol); + auto tcp_socket = TCPSocket::create(protocol, receive_buffer.release_nonnull()); if (tcp_socket.is_error()) return tcp_socket.error(); return tcp_socket.release_value(); } if (type == SOCK_DGRAM) { - auto udp_socket = UDPSocket::create(protocol); + auto udp_socket = UDPSocket::create(protocol, receive_buffer.release_nonnull()); if (udp_socket.is_error()) return udp_socket.error(); return udp_socket.release_value(); } if (type == SOCK_RAW) { - auto raw_socket = adopt_ref_if_nonnull(new (nothrow) IPv4Socket(type, protocol)); + auto raw_socket = adopt_ref_if_nonnull(new (nothrow) IPv4Socket(type, protocol, receive_buffer.release_nonnull())); if (raw_socket) return raw_socket.release_nonnull(); return ENOMEM; @@ -58,8 +67,9 @@ KResultOr<NonnullRefPtr<Socket>> IPv4Socket::create(int type, int protocol) return EINVAL; } -IPv4Socket::IPv4Socket(int type, int protocol) +IPv4Socket::IPv4Socket(int type, int protocol, NonnullOwnPtr<DoubleBuffer> receive_buffer) : Socket(AF_INET, type, protocol) + , m_receive_buffer(move(receive_buffer)) { dbgln_if(IPV4_SOCKET_DEBUG, "IPv4Socket({}) created with type={}, protocol={}", this, type, protocol); m_buffer_mode = type == SOCK_STREAM ? BufferMode::Bytes : BufferMode::Packets; @@ -248,7 +258,7 @@ KResultOr<size_t> IPv4Socket::sendto(FileDescription&, const UserOrKernelBuffer& KResultOr<size_t> IPv4Socket::receive_byte_buffered(FileDescription& description, UserOrKernelBuffer& buffer, size_t buffer_length, int flags, Userspace<sockaddr*>, Userspace<socklen_t*>) { MutexLocker locker(lock()); - if (m_receive_buffer.is_empty()) { + if (m_receive_buffer->is_empty()) { if (protocol_is_disconnected()) return 0; if (!description.is_blocking()) @@ -270,14 +280,14 @@ KResultOr<size_t> IPv4Socket::receive_byte_buffered(FileDescription& description KResultOr<size_t> nreceived_or_error { 0 }; if (flags & MSG_PEEK) - nreceived_or_error = m_receive_buffer.peek(buffer, buffer_length); + nreceived_or_error = m_receive_buffer->peek(buffer, buffer_length); else - nreceived_or_error = m_receive_buffer.read(buffer, buffer_length); + nreceived_or_error = m_receive_buffer->read(buffer, buffer_length); if (!nreceived_or_error.is_error() && nreceived_or_error.value() > 0 && !(flags & MSG_PEEK)) Thread::current()->did_ipv4_socket_read(nreceived_or_error.value()); - set_can_read(!m_receive_buffer.is_empty()); + set_can_read(!m_receive_buffer->is_empty()); return nreceived_or_error; } @@ -406,7 +416,7 @@ bool IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port, auto packet_size = packet.size(); if (buffer_mode() == BufferMode::Bytes) { - size_t space_in_receive_buffer = m_receive_buffer.space_for_writing(); + size_t space_in_receive_buffer = m_receive_buffer->space_for_writing(); if (packet_size > space_in_receive_buffer) { dbgln("IPv4Socket({}): did_receive refusing packet since buffer is full.", this); VERIFY(m_can_read); @@ -416,10 +426,10 @@ bool IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port, auto nreceived_or_error = protocol_receive(ReadonlyBytes { packet.data(), packet.size() }, scratch_buffer, m_scratch_buffer.value().size(), 0); if (nreceived_or_error.is_error()) return false; - auto nwritten_or_error = m_receive_buffer.write(scratch_buffer, nreceived_or_error.value()); + auto nwritten_or_error = m_receive_buffer->write(scratch_buffer, nreceived_or_error.value()); if (nwritten_or_error.is_error()) return false; - set_can_read(!m_receive_buffer.is_empty()); + set_can_read(!m_receive_buffer->is_empty()); } else { if (m_receive_queue.size() > 2000) { dbgln("IPv4Socket({}): did_receive refusing packet since queue is full.", this); |