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Net: Store all the LocalSockets in an InlineLinkedList

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This commit is contained in:
Sergey Bugaev 2019-08-10 18:58:06 +03:00 • committed by Andreas Kling
parent a30930465e
commit 66e5d0bdf3
2 changed files with 30 additions and 1 deletions
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21
Kernel/Net/LocalSocket.cpp
View file

@ -1,3 +1,4 @@
#include <AK/StringBuilder.h>
#include <Kernel/FileSystem/FileDescription.h>
#include <Kernel/FileSystem/VirtualFileSystem.h>
#include <Kernel/Net/LocalSocket.h>
@ -7,6 +8,21 @@
//#define DEBUG_LOCAL_SOCKET
Lockable<InlineLinkedList<LocalSocket>>& LocalSocket::all_sockets()
{
static Lockable<InlineLinkedList<LocalSocket>>* s_list;
if (!s_list)
s_list = new Lockable<InlineLinkedList<LocalSocket>>();
return *s_list;
}
void LocalSocket::for_each(Function<void(LocalSocket&)> callback)
{
LOCKER(all_sockets().lock());
for (auto& socket : all_sockets().resource())
callback(socket);
}
NonnullRefPtr<LocalSocket> LocalSocket::create(int type)
{
return adopt(*new LocalSocket(type));
@ -15,6 +31,8 @@ NonnullRefPtr<LocalSocket> LocalSocket::create(int type)
LocalSocket::LocalSocket(int type)
: Socket(AF_LOCAL, type, 0)
{
LOCKER(all_sockets().lock());
all_sockets().resource().append(this);
#ifdef DEBUG_LOCAL_SOCKET
kprintf("%s(%u) LocalSocket{%p} created with type=%u\n", current->process().name().characters(), current->pid(), this, type);
#endif
@ -22,6 +40,8 @@ LocalSocket::LocalSocket(int type)
LocalSocket::~LocalSocket()
{
LOCKER(all_sockets().lock());
all_sockets().resource().remove(this);
}
bool LocalSocket::get_local_address(sockaddr* address, socklen_t* address_size)
@ -91,6 +111,7 @@ KResult LocalSocket::connect(FileDescription& description, const sockaddr* addre
auto description_or_error = VFS::the().open(safe_address, 0, 0, current->process().current_directory());
if (description_or_error.is_error())
return KResult(-ECONNREFUSED);
m_file = move(description_or_error.value());
ASSERT(m_file->inode());

10
Kernel/Net/LocalSocket.h
View file

@ -1,15 +1,18 @@
#pragma once
#include <AK/InlineLinkedList.h>
#include <Kernel/DoubleBuffer.h>
#include <Kernel/Net/Socket.h>
class FileDescription;
class LocalSocket final : public Socket {
class LocalSocket final : public Socket, public InlineLinkedListNode<LocalSocket> {
friend class InlineLinkedListNode<LocalSocket>;
public:
static NonnullRefPtr<LocalSocket> create(int type);
virtual ~LocalSocket() override;
static void for_each(Function<void(LocalSocket&)>);
StringView socket_path() const;
// ^Socket
@ -30,6 +33,7 @@ private:
virtual const char* class_name() const override { return "LocalSocket"; }
virtual bool is_local() const override { return true; }
bool has_attached_peer(const FileDescription&) const;
static Lockable<InlineLinkedList<LocalSocket>>& all_sockets();
// An open socket file on the filesystem.
RefPtr<FileDescription> m_file;
@ -54,4 +58,8 @@ private:
DoubleBuffer m_for_client;
DoubleBuffer m_for_server;
// for InlineLinkedList
LocalSocket* m_prev { nullptr };
LocalSocket* m_next { nullptr };
};