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Services: Move to Userland/Services/

This commit is contained in:
Andreas Kling 2021-01-12 12:23:01 +01:00
parent 4055b03291
commit c7ac7e6eaf
170 changed files with 4 additions and 4 deletions

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compile_ipc(ClipboardServer.ipc ClipboardServerEndpoint.h)
compile_ipc(ClipboardClient.ipc ClipboardClientEndpoint.h)
set(SOURCES
ClientConnection.cpp
ClipboardClientEndpoint.h
ClipboardServerEndpoint.h
Storage.cpp
main.cpp
)
serenity_bin(Clipboard)
target_link_libraries(Clipboard LibCore LibIPC)

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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/Badge.h>
#include <AK/SharedBuffer.h>
#include <Clipboard/ClientConnection.h>
#include <Clipboard/ClipboardClientEndpoint.h>
#include <Clipboard/Storage.h>
namespace Clipboard {
static HashMap<int, RefPtr<ClientConnection>> s_connections;
void ClientConnection::for_each_client(Function<void(ClientConnection&)> callback)
{
for (auto& it : s_connections) {
callback(*it.value);
}
}
ClientConnection::ClientConnection(NonnullRefPtr<Core::LocalSocket> socket, int client_id)
: IPC::ClientConnection<ClipboardClientEndpoint, ClipboardServerEndpoint>(*this, move(socket), client_id)
{
s_connections.set(client_id, *this);
}
ClientConnection::~ClientConnection()
{
}
void ClientConnection::die()
{
s_connections.remove(client_id());
}
OwnPtr<Messages::ClipboardServer::GreetResponse> ClientConnection::handle(const Messages::ClipboardServer::Greet&)
{
return make<Messages::ClipboardServer::GreetResponse>(client_id());
}
OwnPtr<Messages::ClipboardServer::SetClipboardDataResponse> ClientConnection::handle(const Messages::ClipboardServer::SetClipboardData& message)
{
auto shared_buffer = SharedBuffer::create_from_shbuf_id(message.shbuf_id());
if (!shared_buffer) {
did_misbehave("SetClipboardData: Bad shared buffer ID");
return {};
}
Storage::the().set_data(*shared_buffer, message.data_size(), message.mime_type(), message.metadata().entries());
return make<Messages::ClipboardServer::SetClipboardDataResponse>();
}
OwnPtr<Messages::ClipboardServer::GetClipboardDataResponse> ClientConnection::handle(const Messages::ClipboardServer::GetClipboardData&)
{
auto& storage = Storage::the();
i32 shbuf_id = -1;
if (storage.data_size()) {
// FIXME: Optimize case where an app is copy/pasting within itself.
// We can just reuse the SharedBuffer then, since it will have the same peer PID.
// It would be even nicer if a SharedBuffer could have an arbitrary number of clients..
RefPtr<SharedBuffer> shared_buffer = SharedBuffer::create_with_size(storage.data_size());
ASSERT(shared_buffer);
memcpy(shared_buffer->data<void>(), storage.data(), storage.data_size());
shared_buffer->seal();
shared_buffer->share_with(client_pid());
shbuf_id = shared_buffer->shbuf_id();
// FIXME: This is a workaround for the fact that SharedBuffers will go away if neither side is retaining them.
// After we respond to GetClipboardData, we have to wait for the client to ref the buffer on his side.
m_last_sent_buffer = move(shared_buffer);
}
return make<Messages::ClipboardServer::GetClipboardDataResponse>(shbuf_id, storage.data_size(), storage.mime_type(), storage.metadata());
}
void ClientConnection::notify_about_clipboard_change()
{
post_message(Messages::ClipboardClient::ClipboardDataChanged(Storage::the().mime_type()));
}
}

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/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/HashMap.h>
#include <Clipboard/ClipboardClientEndpoint.h>
#include <Clipboard/ClipboardServerEndpoint.h>
#include <LibIPC/ClientConnection.h>
namespace Clipboard {
class ClientConnection final
: public IPC::ClientConnection<ClipboardClientEndpoint, ClipboardServerEndpoint>
, public ClipboardServerEndpoint {
C_OBJECT(ClientConnection);
public:
explicit ClientConnection(NonnullRefPtr<Core::LocalSocket>, int client_id);
virtual ~ClientConnection() override;
virtual void die() override;
static void for_each_client(Function<void(ClientConnection&)>);
void notify_about_clipboard_change();
private:
virtual OwnPtr<Messages::ClipboardServer::GreetResponse> handle(const Messages::ClipboardServer::Greet&) override;
virtual OwnPtr<Messages::ClipboardServer::GetClipboardDataResponse> handle(const Messages::ClipboardServer::GetClipboardData&) override;
virtual OwnPtr<Messages::ClipboardServer::SetClipboardDataResponse> handle(const Messages::ClipboardServer::SetClipboardData&) override;
RefPtr<SharedBuffer> m_last_sent_buffer;
};
}

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endpoint ClipboardClient = 804
{
ClipboardDataChanged([UTF8] String mime_type) =|
}

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endpoint ClipboardServer = 802
{
Greet() => (i32 client_id)
GetClipboardData() => (i32 shbuf_id, i32 data_size, [UTF8] String mime_type, IPC::Dictionary metadata)
SetClipboardData(i32 shbuf_id, i32 data_size, [UTF8] String mime_type, IPC::Dictionary metadata) => ()
}

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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <Clipboard/Storage.h>
namespace Clipboard {
Storage& Storage::the()
{
static Storage* s_the;
if (!s_the)
s_the = new Storage;
return *s_the;
}
Storage::Storage()
{
}
Storage::~Storage()
{
}
void Storage::set_data(NonnullRefPtr<SharedBuffer> data, size_t data_size, const String& mime_type, const HashMap<String, String>& metadata)
{
dbg() << "Storage::set_data <- [" << mime_type << "] " << data->data<void>() << " (" << data_size << " bytes)";
for (auto& it : metadata) {
dbg() << " " << it.key << ": " << it.value;
}
m_shared_buffer = move(data);
m_data_size = data_size;
m_mime_type = mime_type;
m_metadata = metadata;
if (on_content_change)
on_content_change();
}
}

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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <AK/Function.h>
#include <AK/HashMap.h>
#include <AK/SharedBuffer.h>
#include <AK/String.h>
namespace Clipboard {
class Storage {
public:
static Storage& the();
~Storage();
bool has_data() const { return m_shared_buffer; }
const String& mime_type() const { return m_mime_type; }
const HashMap<String, String>& metadata() const { return m_metadata; }
const u8* data() const
{
if (!has_data())
return nullptr;
return m_shared_buffer->data<u8>();
}
size_t data_size() const
{
if (has_data())
return m_data_size;
return 0;
}
void set_data(NonnullRefPtr<SharedBuffer>, size_t data_size, const String& mime_type, const HashMap<String, String>& metadata);
Function<void()> on_content_change;
private:
Storage();
String m_mime_type;
RefPtr<SharedBuffer> m_shared_buffer;
size_t m_data_size { 0 };
HashMap<String, String> m_metadata;
};
}

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/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <Clipboard/ClientConnection.h>
#include <Clipboard/Storage.h>
#include <LibCore/EventLoop.h>
#include <LibCore/LocalServer.h>
#include <LibIPC/ClientConnection.h>
int main(int, char**)
{
if (pledge("stdio shared_buffer accept unix rpath cpath fattr", nullptr) < 0) {
perror("pledge");
return 1;
}
Core::EventLoop event_loop;
if (pledge("stdio shared_buffer unix accept", nullptr) < 0) {
perror("pledge");
return 1;
}
if (unveil(nullptr, nullptr) < 0) {
perror("unveil");
return 1;
}
auto server = Core::LocalServer::construct();
bool ok = server->take_over_from_system_server();
ASSERT(ok);
if (pledge("stdio shared_buffer accept", nullptr) < 0) {
perror("pledge");
return 1;
}
server->on_ready_to_accept = [&] {
auto client_socket = server->accept();
if (!client_socket) {
dbgln("Clipboard: accept failed.");
return;
}
static int s_next_client_id = 0;
int client_id = ++s_next_client_id;
IPC::new_client_connection<Clipboard::ClientConnection>(client_socket.release_nonnull(), client_id);
};
Clipboard::Storage::the().on_content_change = [&] {
Clipboard::ClientConnection::for_each_client([&](auto& client) {
client.notify_about_clipboard_change();
});
};
return event_loop.exec();
}