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Kernel: Make File's can_read/can_write take a const FileDescription&

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Asking a File if we could possibly read or write it will never mutate
the asking FileDescription&, so it should be const.
This commit is contained in:
Andreas Kling 2019-11-04 14:03:14 +01:00
parent e8fee92357
commit 1b2ef8582c
47 changed files with 97 additions and 91 deletions
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11
Kernel/Net/IPv4Socket.cpp
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@ -144,7 +144,7 @@ void IPv4Socket::detach(FileDescription&)
{
}
bool IPv4Socket::can_read(FileDescription&) const
bool IPv4Socket::can_read(const FileDescription&) const
{
if (m_role == Role::Listener)
return can_accept();
@ -153,7 +153,7 @@ bool IPv4Socket::can_read(FileDescription&) const
return m_can_read;
}
bool IPv4Socket::can_write(FileDescription&) const
bool IPv4Socket::can_write(const FileDescription&) const
{
return is_connected();
}
@ -282,9 +282,13 @@ ssize_t IPv4Socket::recvfrom(FileDescription& description, void* buffer, size_t
return protocol_receive(packet.data.value(), buffer, buffer_length, flags);
}
void IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port, KBuffer&& packet)
bool IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port, KBuffer&& packet)
{
LOCKER(lock());
if (m_receive_queue.size_slow() > 2000) {
kprintf("IPv4Socket(%p): did_receive refusing packet since queue is full.\n", this);
return false;
}
auto packet_size = packet.size();
m_receive_queue.append({ source_address, source_port, move(packet) });
m_can_read = true;
@ -292,6 +296,7 @@ void IPv4Socket::did_receive(const IPv4Address& source_address, u16 source_port,
#ifdef IPV4_SOCKET_DEBUG
kprintf("IPv4Socket(%p): did_receive %d bytes, total_received=%u, packets in queue: %d\n", this, packet_size, m_bytes_received, m_receive_queue.size_slow());
#endif
return true;
}
String IPv4Socket::absolute_path(const FileDescription&) const