Files
crossdesk/src/gui/runtime/peer_event_handler.cpp
T

495 lines
19 KiB
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#include "runtime/peer_event_handler.h"
#include <algorithm>
#include <chrono>
#include <cstring>
#include <filesystem>
#include <memory>
#include <mutex>
#include <shared_mutex>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include "device_controller.h"
#include "file_transfer.h"
#include "localization.h"
#include "platform.h"
#include "rd_log.h"
#include "runtime/gui_runtime.h"
#include "runtime/remote_action_codec.h"
#if _WIN32
#include "interactive_state.h"
#include "service_host.h"
#endif
namespace crossdesk {
PeerEventHandler::PeerEventHandler(GuiRuntime& owner) : owner_(owner) {}
void PeerEventHandler::OnSignalMessage(const char* message, size_t size,
void* user_data) {
auto* handler = static_cast<PeerEventHandler*>(user_data);
GuiRuntime* runtime = handler ? &handler->owner_ : nullptr;
if (!runtime || !message || size == 0) {
return;
}
std::string s(message, size);
auto j = nlohmann::json::parse(s, nullptr, false);
if (j.is_discarded() || !j.contains("type") || !j["type"].is_string()) {
return;
}
std::string type = j["type"].get<std::string>();
if (type == "presence") {
if (j.contains("devices") && j["devices"].is_array()) {
for (auto& dev : j["devices"]) {
if (!dev.is_object()) {
continue;
}
if (!dev.contains("id") || !dev["id"].is_string()) {
continue;
}
if (!dev.contains("online") || !dev["online"].is_boolean()) {
continue;
}
std::string id = dev["id"].get<std::string>();
bool online = dev["online"].get<bool>();
runtime->device_presence_cache_.SetOnline(id, online);
{
std::lock_guard<std::mutex> lock(
runtime->pending_presence_probe_mutex_);
if (runtime->pending_presence_probe_ &&
runtime->pending_presence_remote_id_ == id) {
runtime->pending_presence_result_ready_ = true;
runtime->pending_presence_online_ = online;
}
}
}
}
} else if (type == "presence_update") {
if (j.contains("id") && j["id"].is_string() && j.contains("online") &&
j["online"].is_boolean()) {
std::string id = j["id"].get<std::string>();
bool online = j["online"].get<bool>();
if (!id.empty()) {
runtime->device_presence_cache_.SetOnline(id, online);
{
std::lock_guard<std::mutex> lock(
runtime->pending_presence_probe_mutex_);
if (runtime->pending_presence_probe_ &&
runtime->pending_presence_remote_id_ == id) {
runtime->pending_presence_result_ready_ = true;
runtime->pending_presence_online_ = online;
}
}
}
}
} else if (type == "change_password") {
std::lock_guard<std::mutex> lock(runtime->password_change_mutex_);
if (!runtime->password_change_pending_) {
LOG_WARN("Ignore unexpected password change response");
return;
}
if (!j.contains("request_id") || !j["request_id"].is_string() ||
j["request_id"].get<std::string>() !=
runtime->pending_password_change_request_id_) {
LOG_WARN("Ignore password change response with unexpected request id");
return;
}
if (j.contains("user_id") && j["user_id"].is_string()) {
const std::string response_user_id = j["user_id"].get<std::string>();
if (!response_user_id.empty() &&
response_user_id != runtime->client_id_) {
LOG_WARN("Ignore password change response for unexpected id [{}]",
response_user_id);
return;
}
}
runtime->password_change_succeeded_ =
j.contains("status") && j["status"].is_string() &&
j["status"].get<std::string>() == "success";
runtime->password_change_error_ =
j.contains("reason") && j["reason"].is_string()
? j["reason"].get<std::string>()
: "Password change failed";
runtime->password_change_result_ready_ = true;
}
}
void PeerEventHandler::OnSignalStatus(SignalStatus status, const char* user_id,
size_t user_id_size, void* user_data) {
auto* handler = static_cast<PeerEventHandler*>(user_data);
GuiRuntime* runtime = handler ? &handler->owner_ : nullptr;
if (!runtime) {
return;
}
std::string client_id(user_id, user_id_size);
if (client_id == runtime->client_id_) {
runtime->signal_status_ = status;
if (SignalStatus::SignalConnecting == status) {
runtime->signal_connected_ = false;
} else if (SignalStatus::SignalConnected == status) {
runtime->signal_connected_ = true;
runtime->need_to_send_recent_connections_ = true;
LOG_INFO("[{}] connected to signal server", client_id);
} else if (SignalStatus::SignalFailed == status) {
runtime->signal_connected_ = false;
} else if (SignalStatus::SignalClosed == status) {
runtime->signal_connected_ = false;
} else if (SignalStatus::SignalReconnecting == status) {
runtime->signal_connected_ = false;
} else if (SignalStatus::SignalServerClosed == status) {
runtime->signal_connected_ = false;
} else if (SignalStatus::SignalTlsCertError == status) {
runtime->signal_connected_ = false;
}
} else {
if (client_id.rfind("C-", 0) != 0) {
return;
}
std::string remote_id(client_id.begin() + 2, client_id.end());
// std::shared_lock lock(runtime->remote_sessions_mutex_);
if (runtime->remote_sessions_.find(remote_id) ==
runtime->remote_sessions_.end()) {
return;
}
auto props = runtime->remote_sessions_.find(remote_id)->second;
props->signal_status_ = status;
if (SignalStatus::SignalConnecting == status) {
props->signal_connected_ = false;
} else if (SignalStatus::SignalConnected == status) {
props->signal_connected_ = true;
LOG_INFO("[{}] connected to signal server", remote_id);
} else if (SignalStatus::SignalFailed == status) {
props->signal_connected_ = false;
} else if (SignalStatus::SignalClosed == status) {
props->signal_connected_ = false;
} else if (SignalStatus::SignalReconnecting == status) {
props->signal_connected_ = false;
} else if (SignalStatus::SignalServerClosed == status) {
props->signal_connected_ = false;
} else if (SignalStatus::SignalTlsCertError == status) {
props->signal_connected_ = false;
}
}
}
void PeerEventHandler::OnConnectionStatus(ConnectionStatus status,
const char* user_id,
const size_t user_id_size,
void* user_data) {
auto* handler = static_cast<PeerEventHandler*>(user_data);
GuiRuntime* runtime = handler ? &handler->owner_ : nullptr;
if (!runtime) return;
std::string remote_id(user_id, user_id_size);
std::shared_ptr<GuiRuntime::RemoteSession> props;
{
std::shared_lock lock(runtime->remote_sessions_mutex_);
auto it = runtime->remote_sessions_.find(remote_id);
if (it != runtime->remote_sessions_.end()) {
props = it->second;
}
}
if (props) {
runtime->is_client_mode_ = true;
runtime->show_connection_status_window_ = true;
props->connection_status_.store(status);
switch (status) {
case ConnectionStatus::Connected: {
runtime->ResetRemoteServiceStatus(*props);
{
RemoteAction remote_action;
remote_action.i.display_num =
runtime->devices_.display_info_list().size();
remote_action.i.display_list =
(char**)malloc(remote_action.i.display_num * sizeof(char*));
remote_action.i.left =
(int*)malloc(remote_action.i.display_num * sizeof(int));
remote_action.i.top =
(int*)malloc(remote_action.i.display_num * sizeof(int));
remote_action.i.right =
(int*)malloc(remote_action.i.display_num * sizeof(int));
remote_action.i.bottom =
(int*)malloc(remote_action.i.display_num * sizeof(int));
for (int i = 0; i < remote_action.i.display_num; i++) {
LOG_INFO("Local display [{}:{}]", i + 1,
runtime->devices_.display_info_list()[i].name);
remote_action.i.display_list[i] = (char*)malloc(
runtime->devices_.display_info_list()[i].name.length() + 1);
strncpy(remote_action.i.display_list[i],
runtime->devices_.display_info_list()[i].name.c_str(),
runtime->devices_.display_info_list()[i].name.length());
remote_action.i
.display_list[i][runtime->devices_.display_info_list()[i]
.name.length()] = '\0';
remote_action.i.left[i] =
runtime->devices_.display_info_list()[i].left;
remote_action.i.top[i] =
runtime->devices_.display_info_list()[i].top;
remote_action.i.right[i] =
runtime->devices_.display_info_list()[i].right;
remote_action.i.bottom[i] =
runtime->devices_.display_info_list()[i].bottom;
}
std::string host_name = GetHostName();
remote_action.type = ControlType::host_infomation;
memcpy(&remote_action.i.host_name, host_name.data(),
host_name.size());
remote_action.i.host_name[host_name.size()] = '\0';
remote_action.i.host_name_size = host_name.size();
std::string msg = remote_action.to_json();
int ret = SendReliableDataFrame(props->peer_, msg.data(), msg.size(),
runtime->control_data_label_.c_str());
remote_action_codec::Free(remote_action);
}
if (!runtime->need_to_create_stream_window_ &&
!runtime->remote_sessions_.empty()) {
runtime->need_to_create_stream_window_ = true;
}
props->connection_established_ = true;
runtime->start_keyboard_capturer_ = true;
break;
}
case ConnectionStatus::Disconnected:
case ConnectionStatus::Failed:
case ConnectionStatus::Closed: {
runtime->keyboard_.ReleaseRemotePressedKeys(remote_id,
"connection_closed");
props->connection_established_ = false;
props->enable_mouse_control_ = false;
runtime->ResetRemoteServiceStatus(*props);
{
std::lock_guard<std::mutex> lock(props->video_frame_mutex_);
props->front_frame_.reset();
props->back_frame_.reset();
props->video_width_ = 0;
props->video_height_ = 0;
props->video_size_ = 0;
props->render_rect_dirty_ = true;
props->stream_cleanup_pending_ = true;
}
runtime->focus_on_stream_window_ = false;
break;
}
case ConnectionStatus::IncorrectPassword: {
runtime->password_validating_ = false;
runtime->password_validating_time_++;
if (runtime->connect_button_pressed_) {
runtime->connect_button_pressed_ = false;
props->connection_established_ = false;
runtime->connect_button_label_ =
localization::connect[runtime->localization_language_index_];
}
break;
}
case ConnectionStatus::NoSuchTransmissionId:
case ConnectionStatus::RemoteUnavailable: {
if (runtime->connect_button_pressed_) {
props->connection_established_ = false;
runtime->connect_button_label_ =
localization::connect[runtime->localization_language_index_];
}
break;
}
default:
break;
}
} else {
runtime->is_client_mode_ = false;
runtime->show_connection_status_window_ = true;
{
std::unique_lock lock(runtime->connection_status_mutex_);
runtime->connection_status_[remote_id] = status;
}
switch (status) {
case ConnectionStatus::Connected: {
#if _WIN32
runtime->last_windows_service_status_tick_ = 0;
#endif
{
RemoteAction remote_action;
remote_action.i.display_num =
runtime->devices_.display_info_list().size();
remote_action.i.display_list =
(char**)malloc(remote_action.i.display_num * sizeof(char*));
remote_action.i.left =
(int*)malloc(remote_action.i.display_num * sizeof(int));
remote_action.i.top =
(int*)malloc(remote_action.i.display_num * sizeof(int));
remote_action.i.right =
(int*)malloc(remote_action.i.display_num * sizeof(int));
remote_action.i.bottom =
(int*)malloc(remote_action.i.display_num * sizeof(int));
for (int i = 0; i < remote_action.i.display_num; i++) {
LOG_INFO("Local display [{}:{}]", i + 1,
runtime->devices_.display_info_list()[i].name);
remote_action.i.display_list[i] = (char*)malloc(
runtime->devices_.display_info_list()[i].name.length() + 1);
strncpy(remote_action.i.display_list[i],
runtime->devices_.display_info_list()[i].name.c_str(),
runtime->devices_.display_info_list()[i].name.length());
remote_action.i
.display_list[i][runtime->devices_.display_info_list()[i]
.name.length()] = '\0';
remote_action.i.left[i] =
runtime->devices_.display_info_list()[i].left;
remote_action.i.top[i] =
runtime->devices_.display_info_list()[i].top;
remote_action.i.right[i] =
runtime->devices_.display_info_list()[i].right;
remote_action.i.bottom[i] =
runtime->devices_.display_info_list()[i].bottom;
}
std::string host_name = GetHostName();
remote_action.type = ControlType::host_infomation;
memcpy(&remote_action.i.host_name, host_name.data(),
host_name.size());
remote_action.i.host_name[host_name.size()] = '\0';
remote_action.i.host_name_size = host_name.size();
std::string msg = remote_action.to_json();
int ret =
SendReliableDataFrame(runtime->peer_, msg.data(), msg.size(),
runtime->control_data_label_.c_str());
remote_action_codec::Free(remote_action);
}
runtime->need_to_destroy_server_window_.store(
false, std::memory_order_release);
runtime->need_to_create_server_window_.store(true,
std::memory_order_release);
runtime->is_server_mode_ = true;
runtime->start_screen_capturer_ = true;
runtime->start_speaker_capturer_ = true;
runtime->remote_client_id_ = remote_id;
runtime->start_mouse_controller_ = true;
{
std::shared_lock lock(runtime->connection_status_mutex_);
if (std::all_of(runtime->connection_status_.begin(),
runtime->connection_status_.end(),
[](const auto& kv) {
return kv.first.find("web") != std::string::npos;
})) {
runtime->show_cursor_ = true;
}
}
break;
}
case ConnectionStatus::Disconnected:
case ConnectionStatus::Failed:
case ConnectionStatus::Closed: {
runtime->HandleServerControllerDisconnected(remote_id,
"connection_closed");
break;
}
default:
break;
}
}
}
void PeerEventHandler::OnNetStatusReport(
const char* client_id, size_t client_id_size, TraversalMode mode,
const XNetTrafficStats* net_traffic_stats, const char* user_id,
const size_t user_id_size, void* user_data) {
auto* handler = static_cast<PeerEventHandler*>(user_data);
GuiRuntime* runtime = handler ? &handler->owner_ : nullptr;
if (!runtime) {
return;
}
if (strchr(client_id, '@') != nullptr && strchr(user_id, '-') == nullptr) {
std::string id, password;
const char* at_pos = strchr(client_id, '@');
if (at_pos == nullptr) {
id = client_id;
password.clear();
} else {
id.assign(client_id, at_pos - client_id);
password = at_pos + 1;
}
bool is_self_hosted = runtime->config_center_->IsSelfHosted();
if (is_self_hosted) {
memset(&runtime->client_id_, 0, sizeof(runtime->client_id_));
strncpy(runtime->client_id_, id.c_str(), sizeof(runtime->client_id_) - 1);
runtime->client_id_[sizeof(runtime->client_id_) - 1] = '\0';
memset(&runtime->password_saved_, 0, sizeof(runtime->password_saved_));
strncpy(runtime->password_saved_, password.c_str(),
sizeof(runtime->password_saved_) - 1);
runtime->password_saved_[sizeof(runtime->password_saved_) - 1] = '\0';
memset(&runtime->self_hosted_id_, 0, sizeof(runtime->self_hosted_id_));
strncpy(runtime->self_hosted_id_, client_id,
sizeof(runtime->self_hosted_id_) - 1);
runtime->self_hosted_id_[sizeof(runtime->self_hosted_id_) - 1] = '\0';
LOG_INFO("Use self-hosted client id [{}] and save to cache file", id);
runtime->settings_.PersistSelfHostedIdentity(client_id);
} else {
memset(&runtime->client_id_, 0, sizeof(runtime->client_id_));
strncpy(runtime->client_id_, id.c_str(), sizeof(runtime->client_id_) - 1);
runtime->client_id_[sizeof(runtime->client_id_) - 1] = '\0';
memset(&runtime->password_saved_, 0, sizeof(runtime->password_saved_));
strncpy(runtime->password_saved_, password.c_str(),
sizeof(runtime->password_saved_) - 1);
runtime->password_saved_[sizeof(runtime->password_saved_) - 1] = '\0';
memset(&runtime->client_id_with_password_, 0,
sizeof(runtime->client_id_with_password_));
strncpy(runtime->client_id_with_password_, client_id,
sizeof(runtime->client_id_with_password_) - 1);
runtime
->client_id_with_password_[sizeof(runtime->client_id_with_password_) -
1] = '\0';
LOG_INFO("Use client id [{}] and save id into cache file", id);
runtime->settings_.Save();
}
}
std::string remote_id(user_id, user_id_size);
// std::shared_lock lock(runtime->remote_sessions_mutex_);
if (runtime->remote_sessions_.find(remote_id) ==
runtime->remote_sessions_.end()) {
return;
}
auto props = runtime->remote_sessions_.find(remote_id)->second;
if (props->traversal_mode_ != mode) {
props->traversal_mode_ = mode;
LOG_INFO("Net mode: [{}]", int(props->traversal_mode_));
}
if (!net_traffic_stats) {
return;
}
// only display client side net status if connected to itself
if (!(runtime->peer_reserved_ && !strstr(client_id, "C-"))) {
props->net_traffic_stats_ = *net_traffic_stats;
}
}
} // namespace crossdesk