First implementation for the conversation system (not 100% finished yet)

This commit is contained in:
WolverinDEV 2019-07-19 22:55:03 +02:00
parent dd0eaf33e5
commit e507d1f75d
20 changed files with 1545 additions and 44 deletions

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@ -22,7 +22,7 @@ void AbstractMusicPlayer::registerEventHandler(const std::string& key, const std
void AbstractMusicPlayer::unregisterEventHandler(const std::string& string) {
threads::MutexLock lock(this->eventLock);
for(const auto& entry : this->eventHandlers){
if(entry.first == string){
if(entry.first == string) {
this->eventHandlers.erase(find_if(this->eventHandlers.begin(), this->eventHandlers.end(), [string](const std::pair<std::string, std::function<void(MusicEvent)>>& elm){ return elm.first == string; }));
break;
}

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@ -128,6 +128,8 @@ set(SERVER_SOURCE_FILES
src/weblist/WebListManager.cpp
src/weblist/TeamSpeakWebClient.cpp
src/manager/ConversationManager.cpp
)
if(COMPILE_WEB_CLIENT)
add_definitions(-DCOMPILE_WEB_CLIENT)

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@ -226,7 +226,8 @@ inline sockaddr_in* resolveAddress(const string& host, uint16_t port) {
}
bool InstanceHandler::startInstance() {
if (this->active) return false;
if (this->active)
return false;
active = true;
this->web_list->enabled = ts::config::server::enable_teamspeak_weblist;
@ -236,6 +237,12 @@ bool InstanceHandler::startInstance() {
return false;
}
this->conversation_io = make_shared<event::EventExecutor>("conv io #");
if(!this->conversation_io->initialize(1)) { //TODO: Make the conversation IO loop thread size configurable
logCritical(LOG_GENERAL, "Failed to initialize conversation io write loop");
return false;
}
//Startup file server
sockaddr_in *fAddr = resolveAddress(this->properties()[property::SERVERINSTANCE_FILETRANSFER_HOST].as<string>(), this->properties()[property::SERVERINSTANCE_FILETRANSFER_PORT].as<uint16_t>());
if (!fAddr) {

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@ -62,6 +62,7 @@ namespace ts {
std::shared_ptr<ts::Properties> getDefaultServerProperties() { return this->default_server_properties; }
std::shared_ptr<webio::LoopManager> getWebIoLoop() { return this->web_event_loop; }
std::shared_ptr<weblist::WebListManager> getWebList() { return this->web_list; }
std::shared_ptr<ts::event::EventExecutor> getConversationIo() { return this->conversation_io; }
private:
std::mutex activeLock;
std::condition_variable activeCon;
@ -86,6 +87,7 @@ namespace ts {
ts::Properties* _properties = nullptr;
std::shared_ptr<ts::event::EventExecutor> conversation_io = nullptr;
std::shared_ptr<webio::LoopManager> web_event_loop = nullptr;
std::shared_ptr<weblist::WebListManager> web_list = nullptr;

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@ -4,6 +4,7 @@
#include <log/LogUtils.h>
#include "InstanceHandler.h"
#include "TSServer.h"
#include "./manager/ConversationManager.h"
using namespace std;
using namespace std::chrono;
@ -52,7 +53,7 @@ void TSServer::executeServerTick() {
lastTick = system_clock::now();
system_clock::time_point timing_begin, timing_end;
milliseconds timing_update_states, timing_client_tick, timing_channel, timing_statistic, timing_groups;
milliseconds timing_update_states, timing_client_tick, timing_channel, timing_statistic, timing_groups, timing_ccache;
auto client_list = this->getClients();
@ -255,14 +256,26 @@ void TSServer::executeServerTick() {
END_TIMINGS(timing_groups);
}
{
BEGIN_TIMINGS();
if(this->conversation_cache_cleanup_timestamp + minutes(15) < system_clock::now()) {
debugMessage(this->serverId, "Cleaning up conversation cache.");
this->_conversation_manager->cleanup_cache();
conversation_cache_cleanup_timestamp = system_clock::now();
}
END_TIMINGS(timing_ccache);
}
if(system_clock::now() - lastTick > milliseconds(100)) {
//milliseconds timing_update_states, timing_client_tick, timing_channel, timing_statistic;
logError(this->serverId, "Server tick tooks to long ({}ms => Status updates: {}ms Client tick: {}ms, Channel tick: {}ms, Statistic tick: {}ms)",
logError(this->serverId, "Server tick tooks to long ({}ms => Status updates: {}ms Client tick: {}ms, Channel tick: {}ms, Statistic tick: {}ms, Groups: {}ms, Conversation cache: {}ms)",
duration_cast<milliseconds>(system_clock::now() - lastTick).count(),
timing_update_states.count(),
timing_client_tick.count(),
timing_channel.count(),
timing_statistic.count()
timing_statistic.count(),
timing_groups.count(),
timing_ccache.count()
);
}
} catch (std::exception& ex) {

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@ -21,6 +21,7 @@
#include "InstanceHandler.h"
#include "Configuration.h"
#include "TSServer.h"
#include "src/manager/ConversationManager.h"
#include <misc/sassert.h>
using namespace std;
@ -113,6 +114,9 @@ bool TSServer::initialize(bool test_properties) {
properties()[property::VIRTUALSERVER_UNIQUE_IDENTIFIER] = base64::encode(digest::sha1(base64::encode(buffer, bufferLength)));
}
this->_conversation_manager = make_shared<conversation::ConversationManager>(this->ref());
this->_conversation_manager->initialize(this->_conversation_manager);
channelTree = new ServerChannelTree(self.lock(), this->sql);
channelTree->loadChannelsFromDatabase();
@ -218,9 +222,11 @@ bool TSServer::initialize(bool test_properties) {
}
}
if(this->properties()[property::VIRTUALSERVER_FILEBASE].value().empty()) {
if(this->properties()[property::VIRTUALSERVER_FILEBASE].value().empty())
this->properties()[property::VIRTUALSERVER_FILEBASE] = serverInstance->getFileServer()->server_file_base(self.lock());
}
/* lets cleanup the conversations for not existent channels */
this->_conversation_manager->cleanup_channels();
return true;
}
@ -231,6 +237,7 @@ TSServer::~TSServer() {
delete this->channelTree;
delete this->letters;
delete this->complains;
this->_conversation_manager.reset();
if(this->_serverKey) ecc_free(this->_serverKey);
delete this->_serverKey;
@ -860,7 +867,7 @@ vector<pair<ts::permission::PermissionType, ts::permission::v2::PermissionFlagge
}
if(found_negate) {
server_group_data.erase(find_if(server_group_data.begin(), server_group_data.end(), [](auto data) { return !std::get<2>(data); }), server_group_data.end());
server_group_data.erase(remove_if(server_group_data.begin(), server_group_data.end(), [](auto data) { return !std::get<2>(data); }), server_group_data.end());
logTrace(this->serverId, "[Permission] Found negate flag within server groups. Groups left: {}", server_group_data.size());
sassert(!server_group_data.empty()); /* this should never happen! */
permission::PermissionValue current_lowest = 0;

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@ -64,6 +64,10 @@ namespace ts {
class WebControlServer;
namespace conversation {
class ConversationManager;
}
struct ServerState {
enum value {
OFFLINE,
@ -268,6 +272,7 @@ namespace ts {
);
inline int voice_encryption_mode() { return this->_voice_encryption_mode; }
inline std::shared_ptr<conversation::ConversationManager> conversation_manager() { return this->_conversation_manager; }
protected:
bool registerClient(std::shared_ptr<ConnectedClient>);
bool unregisterClient(std::shared_ptr<ConnectedClient>, std::string, std::unique_lock<std::shared_mutex>& channel_tree_lock);
@ -289,6 +294,7 @@ namespace ts {
letter::LetterManager* letters = nullptr;
std::shared_ptr<music::MusicBotManager> musicManager;
std::shared_ptr<stats::ConnectionStatistics> serverStatistics;
std::shared_ptr<conversation::ConversationManager> _conversation_manager;
sql::SqlManager* sql;
@ -296,6 +302,7 @@ namespace ts {
std::chrono::system_clock::time_point startTimestamp;
std::chrono::system_clock::time_point fileStatisticsTimestamp;
std::chrono::system_clock::time_point conversation_cache_cleanup_timestamp;
//The client list
struct {

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@ -32,7 +32,6 @@ namespace ts {
ChannelId cached_parent_id = 0;
};
typedef std::shared_lock<std::shared_recursive_mutex> TreeLock;
class ClientChannelView : private TreeView {
public:
enum ChannelAction {

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@ -7,6 +7,7 @@
#include "src/client/ConnectedClient.h"
#include "src/server/file/FileServer.h"
#include "src/InstanceHandler.h"
#include "../manager/ConversationManager.h"
using namespace std;
using namespace ts;
@ -530,9 +531,10 @@ void ServerChannelTree::on_channel_entry_deleted(const shared_ptr<BasicChannel>
BasicChannelTree::on_channel_entry_deleted(channel);
auto server = this->server.lock();
if(server)
if(server) {
server->getGroupManager()->handleChannelDeleted(channel);
else
server->conversation_manager()->delete_conversation(channel->channelId());
} else
serverInstance->getGroupManager()->handleChannelDeleted(channel);

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@ -112,12 +112,12 @@ void ConnectedClient::updateChannelClientProperties(bool lock_channel_tree, bool
deque<property::ClientProperties> notifyList;
debugMessage(this->getServerId(), "{} Got a channel talk power of {} Talk power set is {}", CLIENT_STR_LOG_PREFIX, permission_talk_power, this->properties()[property::CLIENT_TALK_POWER].as<uint64_t>());
if(permission_talk_power != this->properties()[property::CLIENT_TALK_POWER].as<uint64_t>() && this->currentChannel) { //We do not have to update tp if there's no channel
if(permission_talk_power != this->properties()[property::CLIENT_TALK_POWER].as<uint64_t>()) { //We do not have to update tp if there's no channel
this->properties()[property::CLIENT_TALK_POWER] = permission_talk_power;
notifyList.emplace_back(property::CLIENT_TALK_POWER);
auto update = this->properties()[property::CLIENT_IS_TALKER].as<bool>() || this->properties()[property::CLIENT_TALK_REQUEST].as<int64_t>() > 0;
if(update) {
if(update && this->currentChannel) {
if(this->currentChannel->talk_power_granted({permission_talk_power, permission_talk_power != permNotGranted})) {
this->properties()[property::CLIENT_IS_TALKER] = 0;
this->properties()[property::CLIENT_TALK_REQUEST] = 0;

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@ -583,6 +583,9 @@ namespace ts {
CommandResult handleCommandQueryDelete(Command&);
CommandResult handleCommandQueryChangePassword(Command&);
CommandResult handleCommandConversationHistory(Command&);
CommandResult handleCommandConversationFetch(Command&);
CommandResult handleCommandLogView(Command&);
//CMD_TODO handleCommandLogAdd

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@ -17,6 +17,7 @@
#include "music/MusicClient.h"
#include "query/QueryClient.h"
#include "../weblist/WebListManager.h"
#include "../manager/ConversationManager.h"
#include <experimental/filesystem>
#include <cstdint>
#include <StringVariable.h>
@ -345,6 +346,8 @@ CommandResult ConnectedClient::handleCommand(Command &cmd) {
else if (command == "playlistsongremove") return this->handleCommandPlaylistSongRemove(cmd);
else if (command == "dummy_ipchange") return this->handleCommandDummy_IpChange(cmd);
else if (command == "conversationhistory") return this->handleCommandConversationHistory(cmd);
else if (command == "conversationfetch") return this->handleCommandConversationFetch(cmd);
if (this->getType() == ClientType::CLIENT_QUERY) return CommandResult::NotImplemented; //Dont log query invalid commands
if (this->getType() == ClientType::CLIENT_TEAMSPEAK)
@ -1162,8 +1165,8 @@ CommandResult ConnectedClient::handleCommandChannelGroupAddPerm(Command &cmd) {
permission::v2::PermissionUpdateType::set_value,
permission::v2::PermissionUpdateType::do_nothing,
cmd[index]["permnegated"].as<bool>() ? 1 : 0,
cmd[index]["permskip"].as<bool>() ? 1 : 0
cmd[index]["permskip"].as<bool>() ? 1 : 0,
cmd[index]["permnegated"].as<bool>() ? 1 : 0
);
updateList |= permission_is_group_property(permType);
}
@ -2328,8 +2331,8 @@ CommandResult ConnectedClient::handleCommandChannelAddPerm(Command &cmd) {
permission::v2::PermissionUpdateType::set_value,
permission::v2::PermissionUpdateType::do_nothing,
cmd[index]["permnegated"].as<bool>() ? 1 : 0,
cmd[index]["permskip"].as<bool>() ? 1 : 0
cmd[index]["permskip"].as<bool>() ? 1 : 0,
cmd[index]["permnegated"].as<bool>() ? 1 : 0
);
updateClients |= permission_is_client_property(permType);
update_view |= permType == permission::i_channel_needed_view_power;
@ -2813,8 +2816,8 @@ CommandResult ConnectedClient::handleCommandServerGroupAddPerm(Command &cmd) {
permission::v2::PermissionUpdateType::set_value,
permission::v2::PermissionUpdateType::do_nothing,
cmd[index]["permnegated"].as<bool>() ? 1 : 0,
cmd[index]["permskip"].as<bool>() ? 1 : 0
cmd[index]["permskip"].as<bool>() ? 1 : 0,
cmd[index]["permnegated"].as<bool>() ? 1 : 0
);
sgroupUpdate |= permission_is_group_property(permType);
checkTp |= permission_is_client_property(permType);
@ -3210,6 +3213,10 @@ CommandResult ConnectedClient::handleCommandSendTextMessage(Command &cmd) {
if(this->handleTextMessage(ChatMessageMode::TEXTMODE_CHANNEL, cmd["msg"], nullptr)) return CommandResult::Success;
for (auto &cl : this->server->getClientsByChannel(this->currentChannel))
cl->notifyTextMessage(ChatMessageMode::TEXTMODE_CHANNEL, _this.lock(), this->getClientId(), cmd["msg"].string());
auto conversations = this->server->conversation_manager();
auto conversation = conversations->get_or_create(this->currentChannel->channelId());
conversation->register_message(this->getClientDatabaseId(), this->getUid(), this->getDisplayName(), cmd["msg"].string());
} else if (cmd["targetmode"] == ChatMessageMode::TEXTMODE_SERVER) {
CACHED_PERM_CHECK(permission::b_client_server_textmessage_send, 1);
@ -7200,7 +7207,189 @@ CommandResult ConnectedClient::handleCommandDummy_IpChange(ts::Command &cmd) {
return CommandResult::Success;
}
//conversationhistory cid=1 [cpw=xxx] [timestamp_begin] [timestamp_end (0 := no end)] [message_count (default 25| max 100)] [-merge]
CommandResult ConnectedClient::handleCommandConversationHistory(ts::Command &command) {
CMD_REF_SERVER(ref_server);
CMD_CHK_AND_INC_FLOOD_POINTS(25);
if(!command[0].has("cid") || !command[0]["cid"].castable<ChannelId>())
return {findError("conversation_invalid_id")};
auto conversation_id = command[0]["cid"].as<ChannelId>();
/* test if we have access to the conversation */
{
/* test if we're able to see the channel */
{
shared_lock channel_view_lock(this->channel_lock);
auto channel = this->channel_view()->find_channel(conversation_id);
if(!channel)
return {findError("conversation_invalid_id")};
}
/* test if there is a channel password or join power which denies that we see the conversation */
{
shared_lock channel_view_lock(ref_server->channel_tree_lock);
auto channel = ref_server->getChannelTree()->findChannel(conversation_id);
if(!channel) /* should never happen! */
return {findError("conversation_invalid_id")};
if(!command[0].has("cpw"))
command[0]["cpw"] = "";
if (!channel->passwordMatch(command["cpw"], true))
if (!this->permissionGranted(permission::PERMTEST_ORDERED, permission::b_channel_join_ignore_password, 1, channel, true))
return {findError("channel_invalid_password"), "invalid password"};
if(!this->permissionGranted(permission::PERMTEST_ORDERED, permission::b_channel_ignore_join_power, 1, channel, true)) {
CHANNEL_PERMISSION_TEST(permission::i_channel_join_power, permission::i_channel_needed_join_power, channel, false);
}
}
}
auto conversation_manager = ref_server->conversation_manager();
auto conversation = conversation_manager->get(conversation_id);
if(!conversation)
return {ErrorType::DBEmpty};
system_clock::time_point timestamp_begin = system_clock::now();
system_clock::time_point timestamp_end;
size_t message_count = 25;
if(command[0].has("timestamp_begin"))
timestamp_begin = system_clock::time_point{} + milliseconds(command[0]["timestamp_begin"].as<uint64_t>());
if(command[0].has("timestamp_end"))
timestamp_end = system_clock::time_point{} + milliseconds(command[0]["timestamp_end"].as<uint64_t>());
if(command[0].has("message_count"))
message_count = command[0]["message_count"].as<uint64_t>();
if(timestamp_begin < timestamp_end)
return {findError("parameter_invalid")};
if(message_count > 100)
message_count = 100;
auto messages = conversation->message_history(timestamp_begin, message_count + 1, timestamp_end); /* query one more to test for more data */
if(messages.empty())
return {ErrorType::DBEmpty};
bool more_data = messages.size() > message_count;
if(more_data)
messages.pop_back();
Command notify(this->notify_response_command("notifyconversationhistory"));
size_t index = 0;
size_t length = 0;
bool merge = command.hasParm("merge");
for(auto& message : messages) {
if(index == 0)
notify[index]["cid"] = conversation_id;
notify[index]["timestamp"] = duration_cast<milliseconds>(message->message_timestamp.time_since_epoch()).count();
notify[index]["sender_database_id"] = message->sender_database_id;
notify[index]["sender_unique_id"] = message->sender_unique_id;
notify[index]["sender_name"] = message->sender_name;
notify[index]["msg"] = message->message;
length += message->message.size();
length += message->sender_name.size();
length += message->sender_unique_id.size();
if(length > 1024 * 8 || !merge) {
index = 0;
this->sendCommand(notify);
notify = Command{this->notify_response_command("notifyconversationhistory")};
} else
index++;
}
if(index > 0)
this->sendCommand(notify);
if(more_data)
return {findError("conversation_more_data")};
return CommandResult::Success;
}
CommandResult ConnectedClient::handleCommandConversationFetch(ts::Command &cmd) {
CMD_REF_SERVER(ref_server);
CMD_CHK_AND_INC_FLOOD_POINTS(25);
Command result(this->notify_response_command("notifyconversationindex"));
size_t result_index = 0;
auto conversation_manager = ref_server->conversation_manager();
for(size_t index = 0; index < cmd.bulkCount(); index++) {
auto& bulk = cmd[index];
if(!bulk.has("cid") || !bulk["cid"].castable<ChannelId>())
continue;
auto conversation_id = bulk["cid"].as<ChannelId>();
auto& result_bulk = result[result_index++];
result_bulk["cid"] = conversation_id;
/* test if we have access to the conversation */
{
/* test if we're able to see the channel */
{
shared_lock channel_view_lock(this->channel_lock);
auto channel = this->channel_view()->find_channel(conversation_id);
if(!channel) {
auto error = findError("conversation_invalid_id");
result_bulk["error_id"] = error.errorId;
result_bulk["error_msg"] = error.message;
continue;
}
}
/* test if there is a channel password or join power which denies that we see the conversation */
{
shared_lock channel_view_lock(ref_server->channel_tree_lock);
auto channel = ref_server->getChannelTree()->findChannel(conversation_id);
if(!channel) { /* should never happen! */
auto error = findError("conversation_invalid_id");
result_bulk["error_id"] = error.errorId;
result_bulk["error_msg"] = error.message;
continue;
}
if(!bulk.has("cpw"))
bulk["cpw"] = "";
if (!channel->passwordMatch(bulk["cpw"], true))
if (!this->permissionGranted(permission::PERMTEST_ORDERED, permission::b_channel_join_ignore_password, 1, channel, true)) {
auto error = findError("channel_invalid_password");
result_bulk["error_id"] = error.errorId;
result_bulk["error_msg"] = error.message;
continue;
}
if(!this->permissionGranted(permission::PERMTEST_ORDERED, permission::b_channel_ignore_join_power, 1, channel, true)) {
auto permission_granted = this->calculate_permission_value(permission::i_channel_join_power, channel->channelId());
if(!channel->permission_granted(permission::i_channel_needed_join_power, permission_granted, false)) {
auto error = findError("server_insufficeient_permissions");
result_bulk["error_id"] = error.errorId;
result_bulk["error_msg"] = error.message;
result_bulk["failed_permid"] = permission::i_channel_join_power;
continue;
}
}
}
}
auto conversation = conversation_manager->get(conversation_id);
if(conversation)
result_bulk["timestamp"] = duration_cast<milliseconds>(conversation->last_message().time_since_epoch()).count();
else
result_bulk["timestamp"] = 0;
}
if(result_index == 0)
return {ErrorType::DBEmpty};
this->sendCommand(result);
return CommandResult::Success;
}

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@ -1,11 +1,14 @@
#include <set>
#include <src/client/music/MusicClient.h>
#include <src/InstanceHandler.h>
#include <src/music/MusicBotManager.h>
#include <log/LogUtils.h>
#include <iomanip>
#include <netinet/in.h>
#include "ConnectedClient.h"
#include "src/client/voice/VoiceClient.h"
#include <log/LogUtils.h>
#include "../InstanceHandler.h"
#include "../manager/ConversationManager.h"
#include "../music/MusicBotManager.h"
#include "../client/music/MusicClient.h"
#include "../client/voice/VoiceClient.h"
#include "./ConnectedClient.h"
using namespace ts;
using namespace ts::server;
@ -82,6 +85,8 @@ inline std::string bot_volume(float vol) {
bool ConnectedClient::handleTextMessage(ChatMessageMode mode, std::string text, const std::shared_ptr<ConnectedClient>& target) {
if (text.length() < ts::config::music::command_prefix.length()) return false;
if (text.find(ts::config::music::command_prefix) != 0) return false;
if(!this->currentChannel)
return false;
std::string command = text.substr(ts::config::music::command_prefix.length());
auto arguments = command.find(' ') != -1 ? split(command.substr(command.find(' ') + 1), " ") : deque<string>{};
@ -669,6 +674,40 @@ bool ConnectedClient::handle_text_command(
threads::self::sleep_until(end);
send_message(_this.lock(), "Done!");
return true;
} else if(command == "conversation") {
if(TARG(0, "history")) {
system_clock::time_point timestamp_begin = system_clock::now();
system_clock::time_point timestamp_end;
size_t message_count = 100;
if(arguments.size() > 1) {
timestamp_begin -= seconds(stoll(arguments[1]));
}
if(arguments.size() > 2) {
timestamp_end = system_clock::now() - seconds(stoll(arguments[2]));
}
if(arguments.size() > 3) {
message_count = stoll(arguments[3]);
}
auto time_str = [](const system_clock::time_point& tp) {
using system_clock_duration = std::chrono::system_clock::duration;
auto converted_timep = std::chrono::time_point_cast<system_clock_duration>(tp);
auto seconds_since_epoch = std::chrono::system_clock::to_time_t(tp);
ostringstream os;
os << std::put_time(std::localtime(&seconds_since_epoch), "%Y %b %d %H:%M:%S");
return os.str();
};
send_message(_this.lock(), "Looking up history from " + time_str(timestamp_end) + " to " + time_str(timestamp_begin) + ". Max messages: " + to_string(message_count));
auto conversation = this->server->conversation_manager()->get_or_create(this->currentChannel->channelId());
auto data = conversation->message_history(timestamp_begin, message_count, timestamp_end);
send_message(_this.lock(), "Entries: " + to_string(data.size()));
for(auto& entry : data) {
send_message(_this.lock(), "<" + time_str(entry->message_timestamp) + ">" + entry->sender_name + ": " + entry->message);
}
return true;
}
}
send_message(serverInstance->musicRoot(), "Invalid channel command.");

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@ -38,8 +38,6 @@ namespace ts {
bool ignoresFlood() override;
inline std::shared_ptr<QueryAccount> getQueryAccount() { return this->query_account; }
std::shared_recursive_mutex server_lock;
protected:
void preInitialize();
void postInitialize();

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@ -318,7 +318,6 @@ CommandResult QueryClient::handleCommandServerSelect(Command &cmd) {
//register at current server
{
unique_lock server_lock(this->server_lock);
this->server = target;
}

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@ -0,0 +1,975 @@
#include "./ConversationManager.h"
#include "../InstanceHandler.h"
#include "../TSServer.h"
#include <experimental/filesystem>
#include <log/LogUtils.h>
#include <misc/sassert.h>
/* for the file */
#include <sys/types.h>
#include <unistd.h>
using namespace std;
using namespace std::chrono;
using namespace ts;
using namespace ts::server;
using namespace ts::server::conversation;
namespace fs = std::experimental::filesystem;
Conversation::Conversation(const std::shared_ptr<ts::server::conversation::ConversationManager> &handle, ts::ChannelId channel_id, const std::string& file) : _ref_handle(handle), _channel_id(channel_id), file_name(file) { }
Conversation::~Conversation() {
this->finalize();
}
bool Conversation::initialize(std::string& error) {
auto ref_self = this->_ref_self.lock();
assert(ref_self);
auto handle = this->_ref_handle.lock();
assert(handle);
auto ref_server = handle->ref_server();
if(!ref_server) {
error = "invalid server ref";
return false;
}
auto file = fs::u8path(this->file_name);
if(!fs::is_directory(file.parent_path())) {
debugMessage(ref_server->getServerId(), "[Conversations] Creating conversation containing directory {}", file.parent_path().string());
try {
fs::create_directories(file.parent_path());
} catch(fs::filesystem_error& ex) {
error = "failed to create data directories (" + to_string(ex.code().value()) + "|" + string(ex.what()) + ")";
return false;
}
}
this->file_handle = fopen(this->file_name.c_str(), fs::exists(file) ? "r+" : "w+");
if(!this->file_handle) {
error = "failed to open file";
return false;
}
setbuf(this->file_handle, nullptr); /* we're doing random access (a buffer is useless here) */
auto sql = ref_server->getSql();
auto result = sql::command(sql, "SELECT `begin_timestamp`, `end_timestamp`, `block_offset`, `flags` FROM `conversation_blocks` WHERE `server_id` = :sid AND `conversation_id` = :cid",
variable{":sid", ref_server->getServerId()}, variable{":cid", this->_channel_id}).query([&](int count, std::string* values, std::string* names) {
std::chrono::system_clock::time_point begin_timestamp{}, end_timestamp{};
uint64_t block_offset = 0;
uint16_t flags = 0;
try {
for(int index = 0; index < count; index++) {
if(names[index] == "begin_timestamp")
begin_timestamp += milliseconds(stoll(values[index]));
else if(names[index] == "end_timestamp")
end_timestamp += milliseconds(stoll(values[index]));
else if(names[index] == "block_offset")
block_offset = stoull(values[index]);
else if(names[index] == "flags")
flags = (uint16_t) stoll(values[index]);
}
} catch(std::exception& ex) {
logError(ref_server->getServerId(), "[Conversations] Failed to parse conversation block entry! Exception: {}", ex.what());
return 0;
}
auto block = make_shared<db::MessageBlock>(db::MessageBlock{
begin_timestamp,
end_timestamp,
block_offset,
{flags},
nullptr,
nullptr
});
/* we dont load invalid blocks */
if(block->flag_invalid)
return 0;
this->message_blocks.push_back(block);
return 0;
});
LOG_SQL_CMD(result);
/* lets find the last block */
if(!this->message_blocks.empty()) {
debugMessage(ref_server->getServerId(), "[Conversations][{}] Loaded {} blocks. Trying to find last block.", this->_channel_id, this->message_blocks.size());
deque<shared_ptr<db::MessageBlock>> open_blocks;
for(auto& block : this->message_blocks)
if(!block->flag_finished)
open_blocks.push_back(block);
logTrace(ref_server->getServerId(), "[Conversations][{}] Found {} unfinished blocks. Searching for the \"latest\" and closing all previous blocks.", this->_channel_id, open_blocks.size());
shared_ptr<db::MessageBlock> latest_block;
const auto calculate_latest_block = [&](bool open_only) {
latest_block = nullptr;
for(auto& block : open_blocks) {
if(block->flag_invalid)
continue;
if(!latest_block || latest_block->begin_timestamp < block->begin_timestamp) {
if(latest_block) {
latest_block->flag_finished_later = true;
latest_block->flag_finished = true;
this->db_save_block(latest_block);
}
latest_block = block;
}
}
};
calculate_latest_block(true);
if(latest_block) {
logTrace(ref_server->getServerId(), "[Conversations][{}] Found a latest block at index {}. Verify block with file.", this->_channel_id, latest_block->block_offset);
const auto verify_block = [&] {
auto result = fseek(this->file_handle, 0, SEEK_END);
if(result != 0) {
error = "failed to seek to the end (" + to_string(result) + " | " + to_string(errno) + ")";
return;
}
auto file_size = ftell(this->file_handle);
if(file_size < 0) {
error = "failed to tell the end position (" + to_string(file_size) + " | " + to_string(errno) + ")";
return;
}
logTrace(ref_server->getServerId(), "[Conversations][{}] File total size {}, last block index {}", this->_channel_id, file_size, latest_block->block_offset);
if(file_size < (latest_block->block_offset + sizeof(fio::BlockHeader))) {
latest_block->flag_finished_later = true;
latest_block->flag_invalid = true;
this->finish_block(latest_block, false);
logTrace(ref_server->getServerId(), "[Conversations][{}] File total size is less than block requires. Appending a new block at the end of the file.", this->_channel_id, latest_block->block_offset);
latest_block = nullptr;
return;
}
if(!this->load_message_block_header(latest_block, error)) {
latest_block->flag_finished_later = true;
latest_block->flag_invalid = true;
this->finish_block(latest_block, false);
logTrace(ref_server->getServerId(), "[Conversations][{}] Failed to load latest block at file index {}: {}. Appending an new one.", this->_channel_id, latest_block->block_offset, error);
error = "";
latest_block = nullptr;
return;
}
/* We've a valid last block. Now the general write function could decide if we want a new block. */
this->last_message_block = latest_block;
logTrace(ref_server->getServerId(), "[Conversations][{}] Last db saved block valid. Reusing it.", this->_channel_id, latest_block->block_offset, error);
};
verify_block();
if(!error.empty()) {
latest_block->flag_finished_later = true;
latest_block->flag_invalid = true;
this->finish_block(latest_block, false);
logError(ref_server->getServerId(), "[Conversations][{}] Could not verify last block. Appending a new one at the end of the file.", this->_channel_id);
latest_block = nullptr;
}
error = "";
} else {
logTrace(ref_server->getServerId(), "[Conversations][{}] Found no open last block. Using a new one.", this->_channel_id);
}
} else {
debugMessage(ref_server->getServerId(), "[Conversations][{}] Found no blocks. Creating new at the end of the file.", this->_channel_id, this->message_blocks.size());
}
std::stable_sort(this->message_blocks.begin(), this->message_blocks.end(), [](const shared_ptr<db::MessageBlock>& a, const shared_ptr<db::MessageBlock>& b) { return a->begin_timestamp < b->begin_timestamp; });
this->_write_event = make_shared<event::ProxiedEventEntry<Conversation>>(ts::event::ProxiedEventEntry<Conversation>(ref_self, &Conversation::process_write_queue));
/* set the last message timestamp property */
{
auto last_message = this->message_history(1);
if(!last_message.empty())
this->_last_message_timestamp = last_message.back()->message_timestamp;
else
this->_last_message_timestamp = system_clock::time_point{};
}
return true;
}
void Conversation::finalize() {
this->_write_event = nullptr; /* we dont want to schedule/execute new events! */
this->_write_loop_lock.lock(); /* wait until current write proceed */
this->_write_loop_lock.unlock();
//TODO: May flush?
{
lock_guard lock(this->message_block_lock);
this->message_blocks.clear();
}
}
void Conversation::cleanup_cache() {
//FIXME: Implement this shit here!
}
ssize_t Conversation::fread(void *target, size_t length, ssize_t index) {
if(length == 0)
return 0;
lock_guard file_lock(this->file_handle_lock);
if(index >= 0) {
auto result = fseek(this->file_handle, index, SEEK_SET);
if(result < 0)
return -2;
}
size_t total_read = 0;
while(total_read < length) {
auto read = ::fread_unlocked((char*) target + total_read, 1, length - total_read, this->file_handle);
if(read <= 0)
return -1;
total_read += read;
}
return total_read;
}
ssize_t Conversation::fwrite(void *target, size_t length, ssize_t index, bool extend_file) {
if(length == 0)
return 0;
extend_file = false; /* fseek does the job good ad well */
lock_guard file_lock(this->file_handle_lock);
if(index >= 0) {
auto result = extend_file ? lseek(fileno(this->file_handle), index, SEEK_SET) : fseek(this->file_handle, index, SEEK_SET);
if(result < 0)
return -2;
}
size_t total_written = 0;
while(total_written < length) {
auto written = ::fwrite_unlocked((char*) target + total_written, 1, length - total_written, this->file_handle);
if(written <= 0)
return -1;
total_written += written;
}
return total_written;
}
bool Conversation::load_message_block_header(const std::shared_ptr<ts::server::conversation::db::MessageBlock> &block, std::string &error) {
if(block->block_header)
return true;
auto block_header = make_unique<fio::BlockHeader>();
if(this->fread(&*block_header, sizeof(*block_header), block->block_offset) != sizeof(*block_header)) {
error = "failed to read block header";
return false;
}
if(block_header->version != 1) {
error = "block version missmatch (block version: " + to_string(block_header->version) + ", current version: 1)";
return false;
}
if(block_header->cookie != fio::BlockHeader::HEADER_COOKIE) {
error = "block cookie missmatch";
return false;
}
block->block_header = move(block_header);
return true;
}
bool Conversation::load_message_block_index(const std::shared_ptr<ts::server::conversation::db::MessageBlock> &block, std::string& error) {
if(block->indexed_block)
return true;
auto index = make_shared<fio::IndexedBlock>();
index->successfully = false;
{
if(!this->load_message_block_header(block, error)) {
error = "failed to load block header: " + error;
return false;
}
auto block_header = block->block_header;
if(!block_header) {
error = "failed to reference block header ";
return false;
}
if(block_header->block_size > fio::BlockHeader::MAX_BLOCK_SIZE) {
error = "block contains too many messages (" + to_string(block_header->block_size) + ")";
return false;
}
size_t offset = block->block_offset;
offset += sizeof(fio::BlockHeader);
size_t max_offset = block->block_offset + block_header->block_size; /* block_size := Written size, must be smaller or equal to the max size, except max size is 0 */
fio::MessageHeader header{};
while(offset < max_offset) {
if(this->fread(&header, sizeof(header), offset) != sizeof(header)) {
error = "failed to read message header at index" + to_string(offset);
return false;
}
if(header.cookie != fio::MessageHeader::HEADER_COOKIE) {
error = "failed to verify message header cookie at index " + to_string(offset);
return false;
}
index->message_index.emplace_back(fio::IndexedMessage{(uint32_t) (offset - block->block_offset), system_clock::time_point{} + milliseconds{header.message_timestamp}, std::shared_ptr<fio::IndexedMessageData>{nullptr}});
offset += header.total_length;
}
}
block->indexed_block = index;
return true;
}
bool Conversation::load_messages(const std::shared_ptr<db::MessageBlock> &block, size_t index, size_t end_index, std::string &error) {
if(!this->load_message_block_index(block, error)) {
error = "failed to index block: " + error;
return false;
}
auto indexed_block = block->indexed_block;
auto header = block->block_header;
if(!indexed_block || !header) {
error = "failed to reference required data";
return false;
}
/* Note: We dont lock message_index_lock here because the write thread only increases the list and dont take stuff away where we could pointing at! */
if(index >= indexed_block->message_index.size())
return true;
auto result = fseek(this->file_handle, block->block_offset + indexed_block->message_index[index].offset, SEEK_SET);
if(result == EINVAL) {
error = "failed to seek to begin of an indexed block read";
return false;
}
while(index < end_index && index < indexed_block->message_index.size()) {
auto& message_data = indexed_block->message_index[index];
if(message_data.message_data) {
index++;
continue;
}
auto data = make_shared<fio::IndexedMessageData>();
if(this->fread(&data->header, sizeof(data->header), -1) != sizeof(data->header)) {
error = "failed to read message header at index " + to_string(index);
return false;
}
if(data->header.cookie != fio::MessageHeader::HEADER_COOKIE) {
error = "failed to verify message header at " + to_string(index);
return false;
}
data->sender_unique_id.resize(data->header.sender_unique_id_length);
data->sender_name.resize(data->header.sender_name_length);
data->message.resize(data->header.message_length);
if(this->fread(data->sender_unique_id.data(), data->sender_unique_id.length(), -1) != data->sender_unique_id.length()) {
error = "failed to read message sender unique id at " + to_string(index);
return false;
}
if(this->fread(data->sender_name.data(), data->sender_name.length(), -1) != data->sender_name.length()) {
error = "failed to read message sender name id at " + to_string(index);
return false;
}
if(this->fread(data->message.data(), data->message.length(), -1) != data->message.length()) {
error = "failed to read message id at " + to_string(index);
return false;
}
if(header->message_encrypted) {
uint64_t crypt_key = block->block_offset ^ data->header.message_timestamp;
size_t length_left = data->message.size();
auto ptr = (char*) data->message.data();
while(length_left >= 8) {
crypt_key ^= (crypt_key << (length_left & 0x7)) ^ length_left;
*(uint64_t*) ptr ^= crypt_key;
ptr += 8;
length_left -= 8;
}
while(length_left > 0) {
crypt_key ^= (crypt_key << (length_left & 0x7)) ^ length_left;
*ptr ^= (uint8_t) crypt_key;
length_left--;
ptr++;
}
}
message_data.message_data = data;
index++;
}
return true;
}
void Conversation::finish_block(const std::shared_ptr<ts::server::conversation::db::MessageBlock> &block, bool write_file) {
if(block->flag_finished)
return;
auto handle = this->_ref_handle.lock();
sassert(handle);
if(!handle)
return;
auto ref_server = handle->ref_server();
if(!ref_server)
return;
block->flag_finished = true;
if(write_file) {
string error;
auto result = this->load_message_block_header(block, error);
auto header = block->block_header;
result &= !!header; /* only success if we really have a header */
if(result) {
if(header->block_max_size == 0) {
header->block_max_size = header->block_size;
header->finished = true;
if(!this->write_block_header(header, block->block_offset, error)) {
logError(ref_server->getServerId(), "Failed to finish block because block header could not be written: {}", error);
block->flag_invalid = true; /* because we cant set the block size we've to declare that block as invalid */
}
}
} else {
logError(ref_server->getServerId(), "Failed to finish block because block header could not be set: {}", error);
block->flag_invalid = true; /* because we cant set the block size we've to declare that block as invalid */
}
} else {
block->flag_invalid = true; /* because we dont write the block we cant ensure a valid block */
}
this->db_save_block(block);
}
bool Conversation::write_block_header(const std::shared_ptr<fio::BlockHeader> &header, size_t index, std::string &error) {
auto code = this->fwrite(&*header, sizeof(fio::BlockHeader), index, false);
if(code == sizeof(fio::BlockHeader))
return true;
error = "write returned " + to_string(code);
return false;
}
void Conversation::process_write_queue(const std::chrono::system_clock::time_point &scheduled_time) {
unique_lock write_lock(this->_write_loop_lock, try_to_lock);
if(!write_lock.owns_lock()) /* we're already writing if this lock fails */
return;
unique_lock write_queue_lock(this->_write_queue_lock, defer_lock);
std::shared_ptr<ConversationEntry> write_entry;
fio::MessageHeader write_header{};
std::shared_ptr<fio::BlockHeader> block_header;
auto handle = this->_ref_handle.lock();
sassert(handle);
if(!handle)
return;
auto ref_server = handle->ref_server();
if(!ref_server)
return;
write_header.cookie = fio::MessageHeader::HEADER_COOKIE;
write_header.message_flags = 0;
while(true) {
write_queue_lock.lock();
if(this->_write_queue.empty())
break;
write_entry = this->_write_queue.front();
this->_write_queue.pop_front();
write_queue_lock.unlock();
/* calculate the write message total length */
write_header.message_length = (uint16_t) min(write_entry->message.size(), (size_t) (65536 - 1));
write_header.sender_name_length = (uint8_t) min(write_entry->sender_name.size(), (size_t) 255);
write_header.sender_unique_id_length = (uint8_t) min(write_entry->sender_unique_id.size(), (size_t) 255);
write_header.total_length = sizeof(write_header) + write_header.sender_unique_id_length + write_header.sender_name_length + write_header.message_length;
/* verify last block */
if(this->last_message_block) {
block_header = this->last_message_block->block_header;
if(!block_header) {
logError(ref_server->getServerId(), "[Conversations][{}] Current last block contains no header! Try to finish it and creating a new one.", this->_channel_id);
this->finish_block(this->last_message_block, true);
this->last_message_block = nullptr;
} else if(this->last_message_block->flag_finished)
this->last_message_block = nullptr;
else {
if(this->last_message_block->begin_timestamp + hours(24) < scheduled_time) {
debugMessage(ref_server->getServerId(), "[Conversations][{}] Beginning new block. Old block is older than 24hrs. ({})", this->_channel_id, this->last_message_block->begin_timestamp.time_since_epoch().count());
this->finish_block(this->last_message_block, true);
this->last_message_block = nullptr;
} else if((block_header->block_max_size != 0 && block_header->block_size + write_header.total_length >= block_header->block_max_size) || block_header->block_size > fio::BlockHeader::MAX_BLOCK_SIZE){
debugMessage(ref_server->getServerId(), "[Conversations][{}] Beginning new block. Old block would exceed his space (Current index: {}, Max index: {}, Soft cap: {}, Message size: {}).",
this->_channel_id, block_header->block_size, block_header->block_max_size, fio::BlockHeader::MAX_BLOCK_SIZE, write_header.total_length);
this->finish_block(this->last_message_block, true);
this->last_message_block = nullptr;
} else if(block_header->message_version != 1){
debugMessage(ref_server->getServerId(), "[Conversations][{}] Beginning new block. Old block had another message version (Current version: {}, Block version: {}).", this->_channel_id, 1, block_header->message_version);
this->finish_block(this->last_message_block, true);
this->last_message_block = nullptr;
}
}
}
/* test if we have a block or create a new one at the begin of the file */
if(!this->last_message_block) {
//Note: If we reuse blocks we've to reorder them within message_blocks (newest blocks are at the end)
//TODO: Find "free" blocks and use them! (But do not use indirectly finished blocks, their max size could be invalid)
unique_lock file_lock(this->file_handle_lock);
auto result = fseek(this->file_handle, 0, SEEK_END);
if(result != 0) {
logError(ref_server->getServerId(), "[Conversations][{}] failed to seek to the end (" + to_string(result) + " " + to_string(errno) + "). Could not create new block. Dropping message!", this->_channel_id);
return;
}
auto file_size = ftell(this->file_handle);
if(file_size < 0) {
logError(ref_server->getServerId(), "[Conversations][{}] failed to tell the end position (" + to_string(result) + " " + to_string(errno) + "). Could not create new block. Dropping message!", this->_channel_id);
return;
}
file_lock.unlock();
this->last_message_block = this->db_create_block((uint64_t) file_size);
if(!this->last_message_block) {
logError(ref_server->getServerId(), "[Conversations][{}] Failed to create a new block within database. Dropping message!", this->_channel_id);
return;
}
block_header = make_shared<fio::BlockHeader>();
memset(&*block_header, 0, sizeof(fio::BlockHeader));
block_header->version = 1;
block_header->message_version = 1;
block_header->cookie = fio::BlockHeader::HEADER_COOKIE;
block_header->first_message_timestamp = (uint64_t) duration_cast<milliseconds>(write_entry->message_timestamp.time_since_epoch()).count();
block_header->block_size = sizeof(fio::BlockHeader);
//block_header->message_encrypted = true; /* May add some kind of hidden debug option? */
this->last_message_block->block_header = block_header;
}
auto entry_offset = this->last_message_block->block_offset + sizeof(fio::BlockHeader) + block_header->last_message_offset;
write_header.sender_database_id = write_entry->sender_database_id;
write_header.message_timestamp = (uint64_t) duration_cast<milliseconds>(write_entry->message_timestamp.time_since_epoch()).count();
block_header->last_message_timestamp = write_header.message_timestamp;
/* first write the header */
if(this->fwrite(&write_header, sizeof(write_header), entry_offset, true) != sizeof(write_header)) {
logError(ref_server->getServerId(), "[Conversations][{}] Failed to write message header. Dropping message!", this->_channel_id);
return;
}
entry_offset += sizeof(write_header);
/* then write the sender unique id */
if(this->fwrite(write_entry->sender_unique_id.data(), write_header.sender_unique_id_length, entry_offset, true) != write_header.sender_unique_id_length) {
logError(ref_server->getServerId(), "[Conversations][{}] Failed to write message sender unique id. Dropping message!", this->_channel_id);
return;
}
entry_offset += write_header.sender_unique_id_length;
/* then write the sender name */
if(this->fwrite(write_entry->sender_name.data(), write_header.sender_name_length, entry_offset, true) != write_header.sender_name_length) {
logError(ref_server->getServerId(), "[Conversations][{}] Failed to write message sender name. Dropping message!", this->_channel_id);
return;
}
entry_offset += write_header.sender_name_length;
/* then write the message */
bool message_result;
if(block_header->message_encrypted) {
uint64_t crypt_key = this->last_message_block->block_offset ^ write_header.message_timestamp;
size_t length_left = write_entry->message.size();
auto ptr = (char*) write_entry->message.data();
char* target_buffer = (char*) malloc(length_left);
char* target_buffer_ptr = target_buffer;
assert(target_buffer);
while(length_left >= 8) {
crypt_key ^= (crypt_key << (length_left & 0x7)) ^ length_left;
*(uint64_t*) target_buffer_ptr = crypt_key;
ptr += 8;
target_buffer_ptr += 8;
length_left -= 8;
}
while(length_left > 0) {
crypt_key ^= (crypt_key << (length_left & 0x7)) ^ length_left;
*target_buffer_ptr = *ptr ^ (uint8_t) crypt_key;
length_left--;
ptr++;
target_buffer_ptr++;
}
message_result = this->fwrite(target_buffer, write_header.message_length, entry_offset, true) == write_header.message_length;
free(target_buffer);
} else {
message_result = this->fwrite(write_entry->message.data(), write_header.message_length, entry_offset, true) == write_header.message_length;
}
if(!message_result) {
logError(ref_server->getServerId(), "[Conversations][{}] Failed to write message. Dropping message!", this->_channel_id);
return;
}
entry_offset += write_header.message_length;
block_header->last_message_offset = (uint32_t) (entry_offset - this->last_message_block->block_offset - sizeof(fio::BlockHeader));
block_header->block_size += write_header.total_length;
block_header->message_count += 1;
auto indexed_block = this->last_message_block->indexed_block;
if(indexed_block) {
lock_guard lock(indexed_block->message_index_lock);
indexed_block->message_index.push_back(fio::IndexedMessage{(uint32_t) (entry_offset - this->last_message_block->block_offset), write_entry->message_timestamp, nullptr});
}
}
if(write_header.total_length != 0) {/* will be set when at least one message has been written */
this->db_save_block(this->last_message_block);
string error;
if(!this->write_block_header(block_header, this->last_message_block->block_offset, error)) {
logWarning(ref_server->getServerId(), "[Conversations][{}] Failed to write block header after message write ({}). This could cause data loss!", this->_channel_id, error);
}
}
}
std::shared_ptr<db::MessageBlock> Conversation::db_create_block(uint64_t offset) {
auto result = make_shared<db::MessageBlock>();
result->block_offset = offset;
result->begin_timestamp = system_clock::now();
result->end_timestamp = system_clock::now();
result->flags = 0;
result->flag_used = true;
result->flag_invalid = true; /* first set it to invalid for the database so it becomes active as soon somebody uses it */
auto handle = this->_ref_handle.lock();
assert(handle);
auto ref_server = handle->ref_server();
if(!ref_server)
return nullptr;
auto sql = ref_server->getSql();
if(!sql)
return nullptr;
//`server_id` INT, `conversation_id` INT, `begin_timestamp` INT, `end_timestamp` INT, `block_offset` INT, `flags` INT
auto sql_result = sql::command(sql, "INSERT INTO `conversation_blocks` (`server_id`, `conversation_id`, `begin_timestamp`, `end_timestamp`, `block_offset`, `flags`) VALUES (:sid, :cid, :bt, :et, :bo, :f);",
variable{":sid", ref_server->getServerId()},
variable{":cid", this->_channel_id},
variable{":bt", duration_cast<milliseconds>(result->begin_timestamp.time_since_epoch()).count()},
variable{":et", duration_cast<milliseconds>(result->end_timestamp.time_since_epoch()).count()},
variable{":bo", offset},
variable{":f", result->flags}
).executeLater();
sql_result.waitAndGetLater(LOG_SQL_CMD, {-1, "future error"});
{
lock_guard lock(this->message_block_lock);
this->message_blocks.push_back(result);
}
result->flag_invalid = false;
return result;
}
void Conversation::db_save_block(const std::shared_ptr<db::MessageBlock> &block) {
auto handle = this->_ref_handle.lock();
assert(handle);
auto ref_server = handle->ref_server();
if(!ref_server) {
logWarning(ref_server->getServerId(), "[Conversations][{}] Failed to update block db info (server expired)", this->_channel_id);
return;
}
auto sql = ref_server->getSql();
if(!sql) {
logWarning(ref_server->getServerId(), "[Conversations][{}] Failed to update block db info (sql expired)", this->_channel_id);
return;
}
auto sql_result = sql::command(sql, "UPDATE `conversation_blocks` SET `end_timestamp` = :et, `flags` = :f WHERE `server_id` = :sid AND `conversation_id` = :cid AND `begin_timestamp` = :bt AND `block_offset` = :bo",
variable{":sid", ref_server->getServerId()},
variable{":cid", this->_channel_id},
variable{":bt", duration_cast<milliseconds>(block->begin_timestamp.time_since_epoch()).count()},
variable{":et", duration_cast<milliseconds>(block->end_timestamp.time_since_epoch()).count()},
variable{":bo", block->block_offset},
variable{":f", block->flags}
).executeLater();
sql_result.waitAndGetLater(LOG_SQL_CMD, {-1, "future error"});
}
void Conversation::register_message(ts::ClientDbId sender_database_id, const std::string &sender_unique_id, const std::string &sender_name, const std::string &message) {
auto entry = make_shared<ConversationEntry>();
entry->message_timestamp = system_clock::now();
this->_last_message_timestamp = entry->message_timestamp;
entry->message = message;
entry->sender_name = sender_name;
entry->sender_unique_id = sender_unique_id;
entry->sender_database_id = sender_database_id;
{
lock_guard lock(this->_last_messages_lock);
this->_last_messages.push_back(entry);
while(this->_last_messages.size() > this->_last_messages_limit)
this->_last_messages.pop_front(); /* TODO: Use a iterator for delete to improve performance */
}
if(!this->volatile_only()) {
{
lock_guard lock(this->_write_queue_lock);
this->_write_queue.push_back(entry);
}
auto executor = serverInstance->getConversationIo();
executor->schedule(this->_write_event);
}
}
std::deque<std::shared_ptr<ConversationEntry>> Conversation::message_history(const std::chrono::system_clock::time_point &end_timestamp, size_t message_count, const std::chrono::system_clock::time_point &begin_timestamp) {
std::deque<std::shared_ptr<ConversationEntry>> result;
if(message_count == 0)
return result;
/* first try to fillout the result with the cached messages */
{
lock_guard lock(this->_last_messages_lock);
//TODO: May just insert the rest of the iterator instead of looping?
for(auto it = this->_last_messages.rbegin(); it != this->_last_messages.rend(); it++) {
if((*it)->message_timestamp > end_timestamp) /* message has been send after the search timestamp */
continue;
result.push_back(*it);
if(--message_count == 0)
return result;
}
}
if(!this->volatile_only()) {
auto timestamp = result.empty() ? end_timestamp : result.back()->message_timestamp;
unique_lock lock(this->message_block_lock);
auto rit = this->message_blocks.end();
if(rit != this->message_blocks.begin()) {
bool found = false;
do {
rit--;
if((*rit)->begin_timestamp < timestamp) {
found = true;
break; /* we found the first block which is created before the point we're searching from */
}
} while(rit != this->message_blocks.begin());
string error;
if(found) {
vector<shared_ptr<db::MessageBlock>> relevant_entries{this->message_blocks.begin(), ++rit};
lock.unlock();
auto _rit = --relevant_entries.end();
do {
auto block = *_rit;
/* lets search for messages */
if(!this->load_message_block_index(block, error)) {
//TODO: Log error
continue;
}
auto index = (*_rit)->indexed_block;
if(!index) {
//TODO Log error
continue;
}
lock_guard index_lock{index->message_index_lock};
auto rmid = index->message_index.end();
if(rmid == index->message_index.begin())
continue; /* Empty block? Funny */
auto block_found = false;
do {
rmid--;
if((*rmid).timestamp < timestamp) {
block_found = true;
break; /* we found the first block which is created before the point we're searching from */
}
} while(rmid != index->message_index.begin());
if(!block_found)
continue;
if(!this->load_messages(block, 0, std::distance(index->message_index.begin(), rmid) + 1, error)) {
//TODO: Log error
continue;
}
do {
auto data = rmid->message_data;
if(!data)
continue;
if(begin_timestamp.time_since_epoch().count() != 0 && rmid->timestamp < begin_timestamp)
return result;
/*
std::chrono::system_clock::time_point message_timestamp;
ClientDbId sender_database_id;
std::string sender_unique_id;
std::string sender_name;
std::string message;
*/
result.push_back(make_shared<ConversationEntry>(ConversationEntry{
rmid->timestamp,
(ClientDbId) data->header.sender_database_id,
data->sender_unique_id,
data->sender_name,
data->message
}));
if(--message_count == 0)
return result;
} while(rmid-- != index->message_index.begin());
} while(_rit-- != relevant_entries.begin());
}
}
}
return result;
}
ConversationManager::ConversationManager(const std::shared_ptr<ts::server::TSServer> &server) : _ref_server(server) { }
ConversationManager::~ConversationManager() { }
void ConversationManager::initialize(const std::shared_ptr<ConversationManager> &_this) {
assert(&*_this == this);
this->_ref_this = _this;
auto ref_server = this->ref_server();
assert(ref_server);
auto sql = ref_server->getSql();
assert(sql);
auto result = sql::command(sql, "SELECT `conversation_id`, `file_path` FROM `conversations` WHERE `server_id` = :sid", variable{":sid", ref_server->getServerId()}).query([&](int count, std::string* values, std::string* names) {
ChannelId conversation_id = 0;
std::string file_path;
try {
for(int index = 0; index < count; index++) {
if(names[index] == "conversation_id")
conversation_id += stoll(values[index]);
else if(names[index] == "file_path")
file_path += values[index];
}
} catch(std::exception& ex) {
logError(ref_server->getServerId(), "[Conversations] Failed to parse conversation entry! Exception: {}", ex.what());
return 0;
}
auto conversation = make_shared<Conversation>(_this, conversation_id, file_path);
conversation->set_ref_self(conversation);
string error;
if(!conversation->initialize(error)) {
logError(ref_server->getServerId(), "[Conversations] Failed to load conversation for channel {}: {}. Conversation is in volatile mode", conversation_id, error);
}
this->_conversations.push_back(conversation);
return 0;
});
LOG_SQL_CMD(result);
debugMessage(ref_server->getServerId(), "[Conversations] Loaded {} conversations", this->_conversations.size());
}
bool ConversationManager::conversation_exists(ts::ChannelId channel_id) {
lock_guard lock(this->_conversations_lock);
return find_if(this->_conversations.begin(), this->_conversations.end(), [&](const shared_ptr<Conversation>& conv){ return conv->channel_id() == channel_id; })!= this->_conversations.end();
}
std::shared_ptr<Conversation> ConversationManager::get(ts::ChannelId channel_id) {
unique_lock lock(this->_conversations_lock);
auto found = find_if(this->_conversations.begin(), this->_conversations.end(), [&](const shared_ptr<Conversation>& conv){ return conv->channel_id() == channel_id; });
if(found != this->_conversations.end())
return *found;
return nullptr;
}
std::shared_ptr<Conversation> ConversationManager::get_or_create(ts::ChannelId channel_id) {
unique_lock lock(this->_conversations_lock);
auto found = find_if(this->_conversations.begin(), this->_conversations.end(), [&](const shared_ptr<Conversation>& conv){ return conv->channel_id() == channel_id; });
if(found != this->_conversations.end())
return *found;
auto ref_server = this->ref_server();
assert(ref_server);
//TODO: More configurable!
auto file_path = "files/server_" + to_string(ref_server->getServerId()) + "/conversations/conversation_" + to_string(channel_id) + ".cvs";
auto conversation = make_shared<Conversation>(this->_ref_this.lock(), channel_id, file_path);
conversation->set_ref_self(conversation);
this->_conversations.push_back(conversation);
lock.unlock();
{
auto sql_result = sql::command(ref_server->getSql(), "INSERT INTO `conversations` (`server_id`, `channel_id`, `conversation_id`, `file_path`) VALUES (:sid, :cid, :cid, :fpath)",
variable{":sid", ref_server->getServerId()}, variable{":cid", channel_id}, variable{":fpath", file_path}).executeLater();
sql_result.waitAndGetLater(LOG_SQL_CMD, {-1, "future error"});
}
string error;
if(!conversation->initialize(error))
logError(ref_server->getServerId(), "[Conversations] Failed to load conversation for channel {}: {}. Conversation is in volatile mode", channel_id, error);
return conversation;
}
void ConversationManager::delete_conversation(ts::ChannelId channel_id) {
{
lock_guard lock(this->_conversations_lock);
this->_conversations.erase(remove_if(this->_conversations.begin(), this->_conversations.end(), [&](const shared_ptr<Conversation>& conv){ return conv->channel_id() == channel_id; }), this->_conversations.end());
}
auto ref_server = this->ref_server();
if(!ref_server) {
logWarning(ref_server->getServerId(), "[Conversations][{}] Failed to delete conversation (server expired)", channel_id);
return;
}
auto sql = ref_server->getSql();
if(!sql) {
logWarning(ref_server->getServerId(), "[Conversations][{}] Failed to delete conversation (sql expired)", channel_id);
return;
}
{
auto sql_result = sql::command(sql, "DELETE FROM `conversations` WHERE `server_id` = :sid AND `channel_id` = :cid AND `conversation_id` = :cid", variable{":sid", ref_server->getServerId()}, variable{":cid", channel_id}).executeLater();
sql_result.waitAndGetLater(LOG_SQL_CMD, {-1, "future error"});
}
{
auto sql_result = sql::command(sql, "DELETE FROM `conversation_blocks` WHERE `server_id` = :sid AND `conversation_id` = :cid", variable{":sid", ref_server->getServerId()}, variable{":cid", channel_id}).executeLater();
sql_result.waitAndGetLater(LOG_SQL_CMD, {-1, "future error"});
}
//TODO: More configurable!
auto file_path = "files/server_" + to_string(ref_server->getServerId()) + "/conversations/conversation_" + to_string(channel_id) + ".cvs";
try {
fs::remove(fs::u8path(file_path));
} catch(fs::filesystem_error& error) {
logWarning(ref_server->getServerId(), "[Conversations][{}] Failed to delete data file ({}): {}|{}", channel_id, file_path, error.code().value(), error.what());
}
}
void ConversationManager::cleanup_channels() {
//TODO: Check if the channel for the conversation still exists!
}
void ConversationManager::cleanup_cache() {
unique_lock lock(this->_conversations_lock);
std::vector<std::shared_ptr<Conversation>> conversations{this->_conversations.begin(), this->_conversations.end()};
lock.unlock();
for(auto& conversation : conversations)
conversation->cleanup_cache();
}

View File

@ -0,0 +1,246 @@
#pragma once
#include <memory>
#include <cassert>
#include <chrono>
#include <deque>
#include <Definitions.h>
#include <mutex>
#include <vector>
#include <EventLoop.h>
namespace ts {
namespace server {
class TSServer;
namespace conversation {
struct ConversationEntry {
std::chrono::system_clock::time_point message_timestamp;
ClientDbId sender_database_id;
std::string sender_unique_id;
std::string sender_name;
std::string message;
};
namespace fio {
#pragma pack(push, 1)
struct BlockHeader {
static constexpr uint64_t HEADER_COOKIE = 0xC0FFEEBABE;
static constexpr uint64_t MAX_BLOCK_SIZE = 0xFF00;
uint8_t version; /* every time 1 */
uint64_t cookie /* const 0xC0FFEEBABE */;
uint8_t message_version; /* every time 1; Version for the containing messages */
uint32_t block_size; /* size of the full block (with data) incl. header! */
uint32_t block_max_size; /* size of the full block incl. header! 0 if the block is located at the end and could be extended */
uint32_t message_count; /* message count */
uint32_t last_message_offset; /* offset to the last message. Offset begins after header (first message has offset of 0) */
union {
uint8_t flags;
struct {
uint8_t _padding : 5;
bool message_encrypted: 1; /* 0x04 */
bool meta_encrypted: 1; /* 0x02 */ /* Not implemented */
bool finished: 1; /* 0x01 */ /* if this block is finally finished; Most the time a next block follows directly */
};
};
uint64_t first_message_timestamp;
uint64_t last_message_timestamp;
};
static_assert(__BYTE_ORDER == __LITTLE_ENDIAN);
static_assert(sizeof(BlockHeader) == 43);
struct MessageHeader {
static constexpr uint16_t HEADER_COOKIE = 0xAFFE;
uint16_t cookie; /* const 0xAFFE */
uint16_t total_length; /* Total length of the full message data. Includes this header! */
uint64_t message_timestamp; /* milliseconds since epoch */
uint64_t sender_database_id;
uint8_t sender_unique_id_length; /* directly followed by this header */
uint8_t sender_name_length; /* directly followed after the unique id */
uint16_t message_length; /* directly followed after the name */
uint16_t message_flags; /* could be later something like deleted etc.... */
};
static_assert(sizeof(MessageHeader) == 26);
#pragma pack(pop)
struct IndexedMessageData {
MessageHeader header;
std::string sender_unique_id;
std::string sender_name;
std::string message;
};
struct IndexedMessage {
uint32_t offset;
std::chrono::system_clock::time_point timestamp;
std::shared_ptr<IndexedMessageData> message_data;
};
struct IndexedBlock {
bool successfully;
/*
* message_index[0] := index of the message (including the header!)
* message_index[1] := timestamp of the message
*/
std::deque<IndexedMessage> message_index;
std::mutex message_index_lock;
};
}
namespace db {
struct MessageBlock {
std::chrono::system_clock::time_point begin_timestamp;
std::chrono::system_clock::time_point end_timestamp;
uint64_t block_offset;
union {
uint16_t flags;
struct {
//Attention: Order matters!
bool flag__unused_0 : 1;
bool flag__unused_1 : 1;
bool flag__unused_2 : 1;
bool flag__unused_3 : 1;
bool flag__unused_4 : 1;
bool flag__unused_5 : 1;
bool flag__unused_6 : 1;
bool flag__unused_7 : 1;
bool flag__unused_8 : 1;
bool flag__unused_9 : 1;
bool flag__unused_10 : 1;
bool flag__unused_11 : 1;
bool flag_finished : 1;
bool flag_finished_later : 1; /* if true the block has been closed because we've a newer block. */
bool flag_invalid : 1; /* this block is considered as invalid and will be ignored */
bool flag_used : 1;
};
};
std::shared_ptr<fio::BlockHeader> block_header;
std::shared_ptr<fio::IndexedBlock> indexed_block;
};
static_assert(__BYTE_ORDER == __LITTLE_ENDIAN);
}
class ConversationManager;
class Conversation {
public:
Conversation(const std::shared_ptr<ConversationManager>& /* handle */, ChannelId /* channel id */, const std::string& /* file name */);
~Conversation();
bool initialize(std::string& error);
void finalize();
inline ChannelId channel_id() { return this->_channel_id; }
/* if for some reason we're not able to open the file then we're in volatile mode */
inline bool volatile_only() { return !this->file_handle; }
void cleanup_cache();
//void set_history_length(ssize_t /* save length */);
//ssize_t history_length();
inline std::chrono::system_clock::time_point last_message() { return this->_last_message_timestamp; }
void register_message(ClientDbId sender_database_id, const std::string& sender_unique_id, const std::string& sender_name, const std::string& message);
/* Lookup n messages since end timestamp. Upper time limit is begin timestamp */
std::deque<std::shared_ptr<ConversationEntry>> message_history(const std::chrono::system_clock::time_point& /* end timestamp */, size_t /* limit */, const std::chrono::system_clock::time_point& /* begin timestamp */);
std::deque<std::shared_ptr<ConversationEntry>> message_history(size_t limit) {
return this->message_history(std::chrono::system_clock::now(), limit, std::chrono::system_clock::time_point{});
}
ts_always_inline void set_ref_self(const std::shared_ptr<Conversation>& pointer) {
this->_ref_self = pointer;
}
private:
std::weak_ptr<Conversation> _ref_self;
std::weak_ptr<ConversationManager> _ref_handle;
ts_always_inline std::shared_ptr<ConversationManager> ref_handle() {
return this->_ref_handle.lock();
}
inline ssize_t fread(void* target, size_t length, ssize_t index);
inline ssize_t fwrite(void* target, size_t length, ssize_t index, bool extend_file);
/* block db functions */
void db_save_block(const std::shared_ptr<db::MessageBlock>& /* block */);
std::shared_ptr<db::MessageBlock> db_create_block(uint64_t /* block offset */);
/* message blocks */
std::mutex message_block_lock;
/* blocks sorted desc (newest blocks last in list (push_back)) */
std::deque<std::shared_ptr<db::MessageBlock>> message_blocks;
/* Access last_message_block only within the write queue or while initializing! */
std::shared_ptr<db::MessageBlock> last_message_block; /* is registered within message_blocks,but musnt be the last! */
bool load_message_block_header(const std::shared_ptr<db::MessageBlock>& /* block */, std::string& /* error */);
bool load_message_block_index(const std::shared_ptr<db::MessageBlock>& /* block */, std::string& /* error */);
bool load_messages(const std::shared_ptr<db::MessageBlock>& /* block */, size_t /* begin index */, size_t /* end index */, std::string& /* error */);
/* message blocks write stuff */
std::shared_ptr<db::MessageBlock> create_new_block(std::string& /* error */);
void finish_block(const std::shared_ptr<db::MessageBlock>& /* block */, bool write_file);
bool write_block_header(const std::shared_ptr<fio::BlockHeader>& /* header */, size_t /* header index */, std::string& /* error */);
/* cached messages */
std::mutex _last_messages_lock;
std::deque<std::shared_ptr<ConversationEntry>> _last_messages;
size_t _last_messages_limit = 100; /* cache max 100 messages */
/* write handler */
std::mutex _write_loop_lock;
std::mutex _write_queue_lock;
std::deque<std::shared_ptr<ConversationEntry>> _write_queue;
std::shared_ptr<event::ProxiedEventEntry<Conversation>> _write_event;
void process_write_queue(const std::chrono::system_clock::time_point&);
/* basic file stuff */
std::string file_name;
std::mutex file_handle_lock;
FILE* file_handle = nullptr;
ChannelId _channel_id;
std::chrono::system_clock::time_point _last_message_timestamp;
};
class ConversationManager {
public:
ConversationManager(const std::shared_ptr<TSServer>& /* server */);
virtual ~ConversationManager();
void initialize(const std::shared_ptr<ConversationManager>& _this);
void cleanup_channels();
void cleanup_cache();
bool conversation_exists(ChannelId /* channel */);
std::shared_ptr<Conversation> get(ChannelId /* channel */);
std::shared_ptr<Conversation> get_or_create(ChannelId /* channel */);
void delete_conversation(ChannelId /* channel */);
inline const std::deque<std::shared_ptr<Conversation>> conversations() {
std::lock_guard lock(this->_conversations_lock);
return this->_conversations;
}
ts_always_inline std::shared_ptr<TSServer> ref_server() {
return this->_ref_server.lock();
}
private:
std::weak_ptr<ConversationManager> _ref_this;
std::weak_ptr<TSServer> _ref_server;
std::mutex _conversations_lock;
std::deque<std::shared_ptr<Conversation>> _conversations;
std::string file_path;
};
}
}
}

View File

@ -44,7 +44,7 @@ if(!result && result.msg().find(ignore) == string::npos){
#define RESIZE_COLUMN(tblName, rowName, size) up vote EXECUTE("Could not change column size", "ALTER TABLE " tblName " ALTER COLUMN " rowName " varchar(" size ")");
#define CURRENT_VERSION 10
#define CURRENT_VERSION 11
#define CLIENT_UID_LENGTH "64"
#define CLIENT_NAME_LENGTH "128"
@ -345,6 +345,12 @@ ROLLBACK;
}
}
this->changeVersion(10);
case 10:
CREATE_TABLE("conversations", "`server_id` INT, `channel_id` INT, `conversation_id` INT, `file_path` TEXT", command_append_utf8);
CREATE_TABLE("conversation_blocks", "`server_id` INT, `conversation_id` INT, `begin_timestamp` INT, `end_timestamp` INT, `block_offset` INT, `flags` INT", command_append_utf8);
CREATE_INDEX("conversations", "server_id");
CREATE_INDEX2R("conversation_blocks", "server_id", "conversation_id");
this->changeVersion(11);
default:
if(manager->getType() == sql::TYPE_SQLITE) {
result = sql::command(this->sql(), "COMMIT;").execute();

View File

@ -121,7 +121,14 @@ void VoiceServer::triggerWrite(const std::shared_ptr<VoiceClient>& client) {
}
void VoiceServer::schedule_execute(const ts::server::VoiceClient *client) {
serverInstance->getVoiceServerManager()->get_executor_loop()->schedule(client->event_handle_packet);
auto vmanager = serverInstance->getVoiceServerManager();
if(!vmanager)
return;
auto evloop = vmanager->get_executor_loop();
if(!evloop)
return;
evloop->schedule(client->event_handle_packet);
}
void VoiceServer::tickHandshakingClients() {

2
shared

@ -1 +1 @@
Subproject commit 6ee207aaadeb9a57a9e1fc4fd19ebeb1be81f1fd
Subproject commit d9ddc2c06d7731b14cae47f67a3414ce47e34bae