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DevTools: Move to Userland/DevTools/
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125 changed files with 2 additions and 2 deletions
201
Userland/DevTools/Inspector/RemoteProcess.cpp
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201
Userland/DevTools/Inspector/RemoteProcess.cpp
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/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "RemoteProcess.h"
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#include "RemoteObject.h"
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#include "RemoteObjectGraphModel.h"
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#include "RemoteObjectPropertyModel.h"
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#include <stdio.h>
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#include <stdlib.h>
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namespace Inspector {
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RemoteProcess* s_the;
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RemoteProcess& RemoteProcess::the()
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{
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return *s_the;
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}
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RemoteProcess::RemoteProcess(pid_t pid)
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: m_pid(pid)
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, m_object_graph_model(RemoteObjectGraphModel::create(*this))
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, m_socket(Core::LocalSocket::construct())
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{
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s_the = this;
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m_socket->set_blocking(true);
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}
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void RemoteProcess::handle_identify_response(const JsonObject& response)
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{
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int pid = response.get("pid").to_int();
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ASSERT(pid == m_pid);
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m_process_name = response.get("process_name").as_string_or({});
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if (on_update)
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on_update();
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}
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void RemoteProcess::handle_get_all_objects_response(const JsonObject& response)
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{
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// FIXME: It would be good if we didn't have to make a local copy of the array value here!
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auto objects = response.get("objects");
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auto& object_array = objects.as_array();
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NonnullOwnPtrVector<RemoteObject> remote_objects;
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HashMap<FlatPtr, RemoteObject*> objects_by_address;
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for (auto& value : object_array.values()) {
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ASSERT(value.is_object());
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auto& object = value.as_object();
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auto remote_object = make<RemoteObject>();
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remote_object->address = object.get("address").to_number<FlatPtr>();
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remote_object->parent_address = object.get("parent").to_number<FlatPtr>();
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remote_object->name = object.get("name").to_string();
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remote_object->class_name = object.get("class_name").to_string();
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remote_object->json = object;
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objects_by_address.set(remote_object->address, remote_object);
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remote_objects.append(move(remote_object));
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}
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for (size_t i = 0; i < remote_objects.size(); ++i) {
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auto& remote_object = remote_objects.ptr_at(i);
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auto* parent = objects_by_address.get(remote_object->parent_address).value_or(nullptr);
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if (!parent) {
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m_roots.append(move(remote_object));
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} else {
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remote_object->parent = parent;
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parent->children.append(move(remote_object));
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}
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}
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m_object_graph_model->update();
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if (on_update)
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on_update();
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}
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void RemoteProcess::send_request(const JsonObject& request)
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{
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auto serialized = request.to_string();
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i32 length = serialized.length();
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m_socket->write((const u8*)&length, sizeof(length));
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m_socket->write(serialized);
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}
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void RemoteProcess::set_inspected_object(FlatPtr address)
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{
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JsonObject request;
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request.set("type", "SetInspectedObject");
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request.set("address", address);
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send_request(request);
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}
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void RemoteProcess::set_property(FlatPtr object, const StringView& name, const JsonValue& value)
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{
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JsonObject request;
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request.set("type", "SetProperty");
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request.set("address", object);
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request.set("name", JsonValue(name));
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request.set("value", value);
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send_request(request);
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}
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void RemoteProcess::update()
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{
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m_socket->on_connected = [this] {
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dbgln("Connected to PID {}", m_pid);
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{
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JsonObject request;
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request.set("type", "Identify");
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send_request(request);
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}
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{
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JsonObject request;
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request.set("type", "GetAllObjects");
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send_request(request);
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}
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};
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m_socket->on_ready_to_read = [this] {
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if (m_socket->eof()) {
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dbgln("Disconnected from PID {}", m_pid);
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m_socket->close();
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return;
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}
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u32 length;
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int nread = m_socket->read((u8*)&length, sizeof(length));
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ASSERT(nread == sizeof(length));
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ByteBuffer data;
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size_t remaining_bytes = length;
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while (remaining_bytes) {
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auto packet = m_socket->read(remaining_bytes);
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if (packet.size() == 0)
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break;
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data.append(packet.data(), packet.size());
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remaining_bytes -= packet.size();
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}
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ASSERT(data.size() == length);
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dbgln("Got data size {} and read that many bytes", length);
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auto json_value = JsonValue::from_string(data);
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ASSERT(json_value.has_value());
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ASSERT(json_value.value().is_object());
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dbgln("Got JSON response {}", json_value.value());
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auto& response = json_value.value().as_object();
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auto response_type = response.get("type").as_string_or({});
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if (response_type.is_null())
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return;
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if (response_type == "GetAllObjects") {
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handle_get_all_objects_response(response);
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return;
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}
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if (response_type == "Identify") {
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handle_identify_response(response);
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return;
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}
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};
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auto success = m_socket->connect(Core::SocketAddress::local(String::format("/tmp/rpc/%d", m_pid)));
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if (!success) {
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warnln("Couldn't connect to PID {}", m_pid);
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exit(1);
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}
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}
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}
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