+--[[

+ Copyright (c) 2014 Edwin Mons and Remko Tronçon

+ Licensed under the GNU General Public License v3.

+ See Documentation/Licenses/GPLv3.txt for more information.

+--]]

+

+--[[

+

+ Component example.

+

+ This script connects to an XMPP server as a component, and listens to

+ messages received.

+

+ The following environment variables are used:

+ * SLUIFT_COMP_DOMAIN: Component domain name

+ * SLUIFT_COMP_SECRET: Component secret

+ * SLUIFT_COMP_HOST: XMPP server host name

+ * SLUIFT_COMP_PORT: XMPP server component port

+ * SLUIFT_JID: Recipient of presence and initial message

+ * SLUIFT_DEBUG: Sets whether debugging should be turned on

+

+--]]

+

+require "sluift"

+

+sluift.debug = os.getenv("SLUIFT_DEBUG") or false

+

+config = {

+ domain = os.getenv('SLUIFT_COMP_DOMAIN'),

+ secret = os.getenv('SLUIFT_COMP_SECRET'),

+ host = os.getenv('SLUIFT_COMP_HOST'),

+ port = os.getenv('SLUIFT_COMP_PORT'),

+ jid = os.getenv('SLUIFT_JID')

+}

+

+-- Create the component, and connect

+comp = sluift.new_component(config.domain, config.secret);

+comp:connect(config)

+

+-- Send initial presence and message

+-- Assumes the remote client already has this component user on his roster

+comp:send_presence{from='root@' .. config.domain, to=config.jid}

+comp:send_message{from='root@' .. config.domain, to=config.jid, body='Component active'}

+

+-- Listen for messages, and reply if one is received

+for message in comp:messages() do

+ print("Received a message from " .. message.from)

+ comp:send_message{to=message.from, from=message.to, body='I received: ' .. message['body']}

+

+ -- Send out a ping to demonstrate we can do more than just send messages

+ comp:get{to=message.from, query='<ping xmlns="urn:xmpp:ping"/>'}

+end

+

+comp:disconnect()

+

+ * Copyright (c) 2013-2014 Kevin Smith and Remko Tronçon

+#include <Sluift/Helpers.h>

+#include <Swiften/Component/ComponentError.h>

+template<class T> std::string Swift::getCommonErrorString(T& error) {

+ case T::UnknownError: reason += "Unknown Error"; break;

+ case T::ConnectionError: reason += "Error connecting to server"; break;

+ case T::ConnectionReadError: reason += "Error while receiving server data"; break;

+ case T::ConnectionWriteError: reason += "Error while sending data to the server"; break;

+ case T::XMLError: reason += "Error parsing server data"; break;

+ case T::AuthenticationFailedError: reason += "Login/password invalid"; break;

+ case T::UnexpectedElementError: reason += "Unexpected response"; break;

+ }

+ return reason;

+}

+

+std::string Swift::getErrorString(const ClientError& error) {

+ std::string reason = getCommonErrorString(error);

+ switch(error.getType()) {

+std::string Swift::getErrorString(const ComponentError& error) {

+ return getCommonErrorString(error);

+}

+

+/*

+ * Copyright (c) 2013-2014 Kevin Smith and Remko Tronçon

+ * Licensed under the GNU General Public License.

+ * See the COPYING file for more information.

+ */

+

+#pragma once

+

+#include <Swiften/Base/Override.h>

+#include <Swiften/Base/API.h>

+

+#include <string>

+

+namespace Swift {

+ class ClientError;

+ class ComponentError;

+

+ template<typename T> std::string getCommonErrorString(T& error);

+ std::string getErrorString(const ClientError& error);

+ std::string getErrorString(const ComponentError& error);

+}

+ "Helpers.cpp",

+ "SluiftComponent.cpp",

+ "component.cpp",

+ * Copyright (c) 2013-2014 Kevin Smith and Remko Tronçon

+#include <Sluift/Helpers.h>

+ throw Lua::Exception(getErrorString(*disconnectedError));

+/*

+ * Copyright (c) 2014 Kevin Smith and Remko Tronçon

+ * Licensed under the GNU General Public License.

+ * See the COPYING file for more information.

+ */

+

+#include <Sluift/SluiftComponent.h>

+

+#include <boost/numeric/conversion/cast.hpp>

+

+#include <Swiften/Component/ComponentXMLTracer.h>

+#include <Swiften/Component/Component.h>

+#include <Swiften/Roster/XMPPRoster.h>

+#include <Sluift/SluiftGlobals.h>

+#include <Sluift/Lua/Exception.h>

+#include <Swiften/Elements/Message.h>

+#include <Swiften/Queries/RawRequest.h>

+#include <Sluift/Helpers.h>

+#include <Swiften/Elements/Presence.h>

+

+using namespace Swift;

+

+SluiftComponent::SluiftComponent(

+ const JID& jid,

+ const std::string& password,

+ NetworkFactories* networkFactories,

+ SimpleEventLoop* eventLoop):

+ networkFactories(networkFactories),

+ eventLoop(eventLoop),

+ tracer(NULL) {

+ component = new Component(jid, password, networkFactories);

+ component->onError.connect(boost::bind(&SluiftComponent::handleError, this, _1));

+ component->onMessageReceived.connect(boost::bind(&SluiftComponent::handleIncomingMessage, this, _1));

+ component->onPresenceReceived.connect(boost::bind(&SluiftComponent::handleIncomingPresence, this, _1));

+}

+

+SluiftComponent::~SluiftComponent() {

+ delete tracer;

+ delete component;

+}

+

+void SluiftComponent::connect(const std::string& host, int port) {

+ disconnectedError = boost::optional<ComponentError>();

+ component->connect(host, port);

+}

+

+void SluiftComponent::setTraceEnabled(bool b) {

+ if (b && !tracer) {

+ tracer = new ComponentXMLTracer(component);

+ }

+ else if (!b && tracer) {

+ delete tracer;

+ tracer = NULL;

+ }

+}

+

+void SluiftComponent::waitConnected(int timeout) {

+ Watchdog watchdog(timeout, networkFactories->getTimerFactory());

+ while (!watchdog.getTimedOut() && !disconnectedError && !component->isAvailable()) {

+ eventLoop->runUntilEvents();

+ }

+ if (watchdog.getTimedOut()) {

+ component->disconnect();

+ throw Lua::Exception("Timeout while connecting");

+ }

+ if (disconnectedError) {

+ throw Lua::Exception(getErrorString(*disconnectedError));

+ }

+}

+

+bool SluiftComponent::isConnected() const {

+ return component->isAvailable();

+}

+

+void SluiftComponent::disconnect() {

+ component->disconnect();

+ while (component->isAvailable()) {

+ eventLoop->runUntilEvents();

+ }

+}

+

+void SluiftComponent::setSoftwareVersion(const std::string& name, const std::string& version, const std::string& os) {

+ component->setSoftwareVersion(name, version);

+}

+

+boost::optional<SluiftComponent::Event> SluiftComponent::getNextEvent(

+ int timeout, boost::function<bool (const Event&)> condition) {

+ Watchdog watchdog(timeout, networkFactories->getTimerFactory());

+ size_t currentIndex = 0;

+ while (true) {

+ // Look for pending events in the queue

+ while (currentIndex < pendingEvents.size()) {

+ Event event = pendingEvents[currentIndex];

+ if (!condition || condition(event)) {

+ pendingEvents.erase(

+ pendingEvents.begin()

+ + boost::numeric_cast<int>(currentIndex));

+ return event;

+ }

+ ++currentIndex;

+ }

+

+ // Wait for new events

+ while (!watchdog.getTimedOut() && currentIndex >= pendingEvents.size() && component->isAvailable()) {

+ eventLoop->runUntilEvents();

+ }

+

+ // Finish if we're disconnected or timed out

+ if (watchdog.getTimedOut() || !component->isAvailable()) {

+ return boost::optional<Event>();

+ }

+ }

+}

+

+void SluiftComponent::handleIncomingMessage(boost::shared_ptr<Message> stanza) {

+ pendingEvents.push_back(Event(stanza));

+}

+

+void SluiftComponent::handleIncomingPresence(boost::shared_ptr<Presence> stanza) {

+ pendingEvents.push_back(Event(stanza));

+}

+

+void SluiftComponent::handleRequestResponse(boost::shared_ptr<Payload> response, boost::shared_ptr<ErrorPayload> error) {

+ requestResponse = response;

+ requestError = error;

+ requestResponseReceived = true;

+}

+

+void SluiftComponent::handleError(const boost::optional<ComponentError>& error) {

+ disconnectedError = error;

+}

+

+Sluift::Response SluiftComponent::doSendRequest(boost::shared_ptr<Request> request, int timeout) {

+ requestResponse.reset();

+ requestError.reset();

+ requestResponseReceived = false;

+ request->send();

+

+ Watchdog watchdog(timeout, networkFactories->getTimerFactory());

+ while (!watchdog.getTimedOut() && !requestResponseReceived) {

+ eventLoop->runUntilEvents();

+ }

+ return Sluift::Response(requestResponse, watchdog.getTimedOut() ?

+ boost::make_shared<ErrorPayload>(ErrorPayload::RemoteServerTimeout) : requestError);

+}

+/*

+ * Copyright (c) 2014 Kevin Smith and Remko Tronçon

+ * Licensed under the GNU General Public License.

+ * See the COPYING file for more information.

+ */

+

+#pragma once

+

+#include <deque>

+#include <boost/optional.hpp>

+#include <boost/bind.hpp>

+#include <boost/function.hpp>

+

+#include <Swiften/Client/ClientOptions.h>

+#include <Swiften/Elements/IQ.h>

+#include <Swiften/Elements/Message.h>

+#include <Swiften/Elements/Presence.h>

+#include <Swiften/Queries/GenericRequest.h>

+#include <Swiften/Roster/XMPPRosterItem.h>

+#include <Swiften/Component/ComponentError.h>

+#include <Swiften/Network/NetworkFactories.h>

+#include <Swiften/Component/Component.h>

+#include <Swiften/EventLoop/SimpleEventLoop.h>

+#include <Sluift/Watchdog.h>

+#include <Sluift/Response.h>

+

+namespace Swift {

+ struct SluiftGlobals;

+ class ComponentXMLTracer;

+ class Component;

+ class Stanza;

+ class Payload;

+ class ErrorPayload;

+ class JID;

+

+ class SluiftComponent {

+ public:

+ struct Event {

+ enum Type {

+ MessageType,

+ PresenceType

+ };

+

+ Event(boost::shared_ptr<Message> stanza) : type(MessageType), stanza(stanza) {}

+ Event(boost::shared_ptr<Presence> stanza) : type(PresenceType), stanza(stanza) {}

+

+ Type type;

+

+ // Message & Presence

+ boost::shared_ptr<Stanza> stanza;

+ };

+

+ SluiftComponent(

+ const JID& jid,

+ const std::string& password,

+ NetworkFactories* networkFactories,

+ SimpleEventLoop* eventLoop);

+ ~SluiftComponent();

+

+ Component* getComponent() {

+ return component;

+ }

+

+ void connect(const std::string& host, int port);

+ void waitConnected(int timeout);

+ bool isConnected() const;

+ void setTraceEnabled(bool b);

+

+ template<typename REQUEST_TYPE>

+ Sluift::Response sendRequest(REQUEST_TYPE request, int timeout) {

+ boost::signals::scoped_connection c = request->onResponse.connect(

+ boost::bind(&SluiftComponent::handleRequestResponse, this, _1, _2));

+ return doSendRequest(request, timeout);

+ }

+

+ template<typename REQUEST_TYPE>

+ Sluift::Response sendVoidRequest(REQUEST_TYPE request, int timeout) {

+ boost::signals::scoped_connection c = request->onResponse.connect(

+ boost::bind(&SluiftComponent::handleRequestResponse, this, boost::shared_ptr<Payload>(), _1));

+ return doSendRequest(request, timeout);

+ }

+

+ void disconnect();

+ void setSoftwareVersion(const std::string& name, const std::string& version, const std::string& os);

+ boost::optional<SluiftComponent::Event> getNextEvent(int timeout,

+ boost::function<bool (const Event&)> condition = 0);

+

+ private:

+ Sluift::Response doSendRequest(boost::shared_ptr<Request> request, int timeout);

+

+ void handleIncomingMessage(boost::shared_ptr<Message> stanza);

+ void handleIncomingPresence(boost::shared_ptr<Presence> stanza);

+ void handleRequestResponse(boost::shared_ptr<Payload> response, boost::shared_ptr<ErrorPayload> error);

+ void handleError(const boost::optional<ComponentError>& error);

+

+ private:

+ NetworkFactories* networkFactories;

+ SimpleEventLoop* eventLoop;

+ Component* component;

+ ComponentXMLTracer* tracer;

+ bool rosterReceived;

+ std::deque<Event> pendingEvents;

+ boost::optional<ComponentError> disconnectedError;

+ bool requestResponseReceived;

+ boost::shared_ptr<Payload> requestResponse;

+ boost::shared_ptr<ErrorPayload> requestError;

+ };

+}

+/*

+ * Copyright (c) 2014 Kevin Smith and Remko Tronçon

+ * Licensed under the GNU General Public License.

+ * See the COPYING file for more information.

+ */

+

+#include <boost/lambda/lambda.hpp>

+#include <boost/lambda/bind.hpp>

+#include <boost/assign/list_of.hpp>

+#include <iostream>

+

+#include <Sluift/SluiftComponent.h>

+#include <Swiften/JID/JID.h>

+#include <Swiften/Elements/SoftwareVersion.h>

+#include <Swiften/Elements/Message.h>

+#include <Swiften/Elements/Presence.h>

+#include <Swiften/Elements/RawXMLPayload.h>

+#include <Swiften/Elements/RosterItemPayload.h>

+#include <Swiften/Elements/RosterPayload.h>

+#include <Swiften/Elements/DiscoInfo.h>

+#include <Swiften/Elements/MAMQuery.h>

+#include <Swiften/Queries/GenericRequest.h>

+#include <Swiften/Presence/PresenceSender.h>

+#include <Swiften/Roster/XMPPRoster.h>

+#include <Swiften/Roster/SetRosterRequest.h>

+#include <Swiften/Presence/SubscriptionManager.h>

+#include <Swiften/Roster/XMPPRosterItem.h>

+#include <Swiften/Queries/IQRouter.h>

+#include <Swiften/Queries/Requests/GetSoftwareVersionRequest.h>

+#include <Sluift/Lua/FunctionRegistration.h>

+#include <Swiften/Base/foreach.h>

+#include <Swiften/Base/IDGenerator.h>

+#include <Sluift/Lua/Check.h>

+#include <Sluift/Lua/Value.h>

+#include <Sluift/Lua/Exception.h>

+#include <Sluift/Lua/LuaUtils.h>

+#include <Sluift/globals.h>

+#include <Sluift/ElementConvertors/StanzaConvertor.h>

+#include <Sluift/ElementConvertors/IQConvertor.h>

+#include <Sluift/ElementConvertors/PresenceConvertor.h>

+#include <Sluift/ElementConvertors/MessageConvertor.h>

+

+using namespace Swift;

+namespace lambda = boost::lambda;

+

+static inline SluiftComponent* getComponent(lua_State* L) {

+ return *Lua::checkUserData<SluiftComponent>(L, 1);

+}

+

+static inline int getGlobalTimeout(lua_State* L) {

+ lua_rawgeti(L, LUA_REGISTRYINDEX, Sluift::globals.moduleLibIndex);

+ lua_getfield(L, -1, "timeout");

+ int result = boost::numeric_cast<int>(lua_tointeger(L, -1));

+ lua_pop(L, 2);

+ return result;

+}

+

+static void addPayloadsToTable(lua_State* L, const std::vector<boost::shared_ptr<Payload> >& payloads) {

+ if (!payloads.empty()) {

+ lua_createtable(L, boost::numeric_cast<int>(payloads.size()), 0);

+ for (size_t i = 0; i < payloads.size(); ++i) {

+ Sluift::globals.elementConvertor.convertToLua(L, payloads[i]);

+ lua_rawseti(L, -2, boost::numeric_cast<int>(i+1));

+ }

+ Lua::registerGetByTypeIndex(L, -1);

+ lua_setfield(L, -2, "payloads");

+ }

+}

+

+static boost::shared_ptr<Payload> getPayload(lua_State* L, int index) {

+ if (lua_type(L, index) == LUA_TTABLE) {

+ return boost::dynamic_pointer_cast<Payload>(Sluift::globals.elementConvertor.convertFromLua(L, index));

+ }

+ else if (lua_type(L, index) == LUA_TSTRING) {

+ return boost::make_shared<RawXMLPayload>(Lua::checkString(L, index));

+ }

+ else {

+ return boost::shared_ptr<Payload>();

+ }

+}

+

+static std::vector< boost::shared_ptr<Payload> > getPayloadsFromTable(lua_State* L, int index) {

+ index = Lua::absoluteOffset(L, index);

+ std::vector< boost::shared_ptr<Payload> > result;

+ lua_getfield(L, index, "payloads");

+ if (lua_istable(L, -1)) {

+ for (lua_pushnil(L); lua_next(L, -2); lua_pop(L, 1)) {

+ boost::shared_ptr<Payload> payload = getPayload(L, -1);

+ if (payload) {

+ result.push_back(payload);

+ }

+ }

+ }

+ lua_pop(L, 1);

+ return result;

+}

+

+SLUIFT_LUA_FUNCTION(Component, async_connect) {

+ SluiftComponent* component = getComponent(L);

+

+ std::string host;

+ int port = 0;

+ if (lua_istable(L, 2)) {

+ if (boost::optional<std::string> hostString = Lua::getStringField(L, 2, "host")) {

+ host = *hostString;

+ }

+ if (boost::optional<int> portInt = Lua::getIntField(L, 2, "port")) {

+ port = *portInt;

+ }

+ }

+ component->connect(host, port);

+ return 0;

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ Component, set_trace_enabled,

+ "Enable/disable tracing of the data sent/received.\n\n.",

+ "self\n"

+ "enable a boolean specifying whether to enable/disable tracing",

+ ""

+) {

+ getComponent(L)->setTraceEnabled(lua_toboolean(L, 1));

+ return 0;

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ Component, wait_connected,

+ "Block until the component is connected.\n\nThis is useful after an `async_connect`.",

+ "self",

+ ""

+) {

+ getComponent(L)->waitConnected(getGlobalTimeout(L));

+ return 0;

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ Component, is_connected,

+ "Checks whether this component is still connected.\n\nReturns a boolean.",

+ "self\n",

+ ""

+) {

+ lua_pushboolean(L, getComponent(L)->isConnected());

+ return 1;

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ Component, disconnect,

+ "Disconnect from the server",

+ "self\n",

+ ""

+) {

+ Sluift::globals.eventLoop.runOnce();

+ getComponent(L)->disconnect();

+ return 0;

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ Component, set_version,

+

+ "Sets the published version of this component.",

+

+ "self",

+

+ "name the name of the component software\n"

+ "version the version identifier of this component\n"

+ "os the OS this component is running on\n"

+) {

+ Sluift::globals.eventLoop.runOnce();

+ SluiftComponent* component = getComponent(L);

+ if (boost::shared_ptr<SoftwareVersion> version = boost::dynamic_pointer_cast<SoftwareVersion>(Sluift::globals.elementConvertor.convertFromLuaUntyped(L, 2, "software_version"))) {

+ component->setSoftwareVersion(version->getName(), version->getVersion(), version->getOS());

+ }

+ return 0;

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ Component, send_message,

+ "Send a message.",

+ "self\n"

+ "to the JID to send the message to\n"

+ "body the body of the message. Can alternatively be specified using the `body` option\n",

+

+ "to the JID to send the message to\n"

+ "body the body of the message\n"

+ "subject the subject of the MUC room to set\n"

+ "type the type of message to send (`normal`, `chat`, `error`, `groupchat`, `headline`)\n"

+ "payloads payloads to add to the message\n"

+) {

+ Sluift::globals.eventLoop.runOnce();

+ JID to;

+ boost::optional<std::string> from;

+ boost::optional<std::string> body;

+ boost::optional<std::string> subject;

+ std::vector<boost::shared_ptr<Payload> > payloads;

+ int index = 2;

+ Message::Type type = Message::Chat;

+ if (lua_isstring(L, index)) {

+ to = std::string(lua_tostring(L, index));

+ ++index;

+ if (lua_isstring(L, index)) {

+ body = lua_tostring(L, index);

+ ++index;

+ }

+ }

+ if (lua_istable(L, index)) {

+ if (boost::optional<std::string> value = Lua::getStringField(L, index, "to")) {

+ to = *value;

+ }

+

+ if (boost::optional<std::string> value = Lua::getStringField(L, index, "from")) {

+ from = value;

+ }

+

+ if (boost::optional<std::string> value = Lua::getStringField(L, index, "body")) {

+ body = value;

+ }

+

+ if (boost::optional<std::string> value = Lua::getStringField(L, index, "type")) {

+ type = MessageConvertor::convertMessageTypeFromString(*value);

+ }

+

+ if (boost::optional<std::string> value = Lua::getStringField(L, index, "subject")) {

+ subject = value;

+ }

+

+ payloads = getPayloadsFromTable(L, index);

+ }

+

+ if (!to.isValid()) {

+ throw Lua::Exception("Missing 'to'");

+ }

+ if ((!body || body->empty()) && !subject && payloads.empty()) {

+ throw Lua::Exception("Missing any of 'body', 'subject' or 'payloads'");

+ }

+ Message::ref message = boost::make_shared<Message>();

+ message->setTo(to);

+ if (from && !from->empty()) {

+ message->setFrom(*from);

+ }

+ if (body && !body->empty()) {

+ message->setBody(*body);

+ }

+ if (subject) {

+ message->setSubject(*subject);

+ }

+ message->addPayloads(payloads.begin(), payloads.end());

+ message->setType(type);

+ getComponent(L)->getComponent()->sendMessage(message);

+ return 0;

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ Component, send_presence,

+ "Send presence.",

+

+ "self\n"

+ "body the text of the presence. Can alternatively be specified using the `status` option\n",

+

+ "to the JID to send the message to\n"

+ "from the JID to send the message from\n"

+ "status the text of the presence\n"

+ "priority the priority of the presence\n"

+ "type the type of message to send (`available`, `error`, `probe`, `subscribe`, `subscribed`, `unavailable`, `unsubscribe`, `unsubscribed`)\n"

+ "payloads payloads to add to the presence\n"

+) {

+ Sluift::globals.eventLoop.runOnce();

+ boost::shared_ptr<Presence> presence = boost::make_shared<Presence>();

+

+ int index = 2;

+ if (lua_isstring(L, index)) {

+ presence->setStatus(lua_tostring(L, index));

+ ++index;

+ }

+ if (lua_istable(L, index)) {

+ if (boost::optional<std::string> value = Lua::getStringField(L, index, "to")) {

+ presence->setTo(*value);

+ }

+ if (boost::optional<std::string> value = Lua::getStringField(L, index, "from")) {

+ presence->setFrom(*value);

+ }

+ if (boost::optional<std::string> value = Lua::getStringField(L, index, "status")) {

+ presence->setStatus(*value);

+ }

+ if (boost::optional<int> value = Lua::getIntField(L, index, "priority")) {

+ presence->setPriority(*value);

+ }

+ if (boost::optional<std::string> value = Lua::getStringField(L, index, "type")) {

+ presence->setType(PresenceConvertor::convertPresenceTypeFromString(*value));

+ }

+ std::vector< boost::shared_ptr<Payload> > payloads = getPayloadsFromTable(L, index);

+ presence->addPayloads(payloads.begin(), payloads.end());

+ }

+

+ getComponent(L)->getComponent()->sendPresence(presence);

+ lua_pushvalue(L, 1);

+ return 0;

+}

+

+static int sendQuery(lua_State* L, IQ::Type type) {

+ SluiftComponent* component = getComponent(L);

+

+ JID to;

+ if (boost::optional<std::string> toString = Lua::getStringField(L, 2, "to")) {

+ to = JID(*toString);

+ }

+

+ JID from;

+ if (boost::optional<std::string> fromString = Lua::getStringField(L, 2, "from")) {

+ from = JID(*fromString);

+ }

+

+ int timeout = getGlobalTimeout(L);

+ if (boost::optional<int> timeoutInt = Lua::getIntField(L, 2, "timeout")) {

+ timeout = *timeoutInt;

+ }

+

+ boost::shared_ptr<Payload> payload;

+ lua_getfield(L, 2, "query");

+ payload = getPayload(L, -1);

+ lua_pop(L, 1);

+

+ return component->sendRequest(

+ boost::make_shared< GenericRequest<Payload> >(type, from, to, payload, component->getComponent()->getIQRouter()), timeout).convertToLuaResult(L);

+}

+

+#define DISPATCH_PUBSUB_PAYLOAD(payloadType, container, response) \

+ else if (boost::shared_ptr<payloadType> p = boost::dynamic_pointer_cast<payloadType>(payload)) { \

+ return component->sendPubSubRequest(type, to, p, timeout).convertToLuaResult(L); \

+ }

+

+SLUIFT_LUA_FUNCTION(Component, get) {

+ return sendQuery(L, IQ::Get);

+}

+

+SLUIFT_LUA_FUNCTION(Component, set) {

+ return sendQuery(L, IQ::Set);

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ Component, send,

+ "Sends a raw string",

+

+ "self\n"

+ "data the string to send\n",

+

+ ""

+) {

+ Sluift::globals.eventLoop.runOnce();

+

+ getComponent(L)->getComponent()->sendData(std::string(Lua::checkString(L, 2)));

+ lua_pushvalue(L, 1);

+ return 0;

+}

+

+static void pushEvent(lua_State* L, const SluiftComponent::Event& event) {

+ switch (event.type) {

+ case SluiftComponent::Event::MessageType: {

+ Message::ref message = boost::dynamic_pointer_cast<Message>(event.stanza);

+ Lua::Table result = boost::assign::map_list_of

+ ("type", boost::make_shared<Lua::Value>(std::string("message")))

+ ("from", boost::make_shared<Lua::Value>(message->getFrom().toString()))

+ ("to", boost::make_shared<Lua::Value>(message->getTo().toString()))

+ ("body", boost::make_shared<Lua::Value>(message->getBody()))

+ ("message_type", boost::make_shared<Lua::Value>(MessageConvertor::convertMessageTypeToString(message->getType())));

+ Lua::pushValue(L, result);

+ addPayloadsToTable(L, message->getPayloads());

+ Lua::registerTableToString(L, -1);

+ break;

+ }

+ case SluiftComponent::Event::PresenceType: {

+ Presence::ref presence = boost::dynamic_pointer_cast<Presence>(event.stanza);

+ Lua::Table result = boost::assign::map_list_of

+ ("type", boost::make_shared<Lua::Value>(std::string("presence")))

+ ("from", boost::make_shared<Lua::Value>(presence->getFrom().toString()))

+ ("to", boost::make_shared<Lua::Value>(presence->getTo().toString()))

+ ("status", boost::make_shared<Lua::Value>(presence->getStatus()))

+ ("presence_type", boost::make_shared<Lua::Value>(PresenceConvertor::convertPresenceTypeToString(presence->getType())));

+ Lua::pushValue(L, result);

+ addPayloadsToTable(L, presence->getPayloads());

+ Lua::registerTableToString(L, -1);

+ break;

+ }

+ }

+}

+

+struct CallUnaryLuaPredicateOnEvent {

+ CallUnaryLuaPredicateOnEvent(lua_State* L, int index) : L(L), index(index) {

+ }

+

+ bool operator()(const SluiftComponent::Event& event) {

+ lua_pushvalue(L, index);

+ pushEvent(L, event);

+ if (lua_pcall(L, 1, 1, 0) != 0) {

+ throw Lua::Exception(lua_tostring(L, -1));

+ }

+ bool result = lua_toboolean(L, -1);

+ lua_pop(L, 1);

+ return result;

+ }

+

+ lua_State* L;

+ int index;

+};

+

+

+SLUIFT_LUA_FUNCTION(Component, get_next_event) {

+ Sluift::globals.eventLoop.runOnce();

+ SluiftComponent* component = getComponent(L);

+

+ int timeout = getGlobalTimeout(L);

+ boost::optional<SluiftComponent::Event::Type> type;

+ int condition = 0;

+ if (lua_istable(L, 2)) {

+ if (boost::optional<std::string> typeString = Lua::getStringField(L, 2, "type")) {

+ if (*typeString == "message") {

+ type = SluiftComponent::Event::MessageType;

+ }

+ else if (*typeString == "presence") {

+ type = SluiftComponent::Event::PresenceType;

+ }

+ }

+ if (boost::optional<int> timeoutInt = Lua::getIntField(L, 2, "timeout")) {

+ timeout = *timeoutInt;

+ }

+ lua_getfield(L, 2, "if");

+ if (lua_isfunction(L, -1)) {

+ condition = Lua::absoluteOffset(L, -1);

+ }

+ }

+

+ boost::optional<SluiftComponent::Event> event;

+ if (condition) {

+ event = component->getNextEvent(timeout, CallUnaryLuaPredicateOnEvent(L, condition));

+ }

+ else if (type) {

+ event = component->getNextEvent(

+ timeout, lambda::bind(&SluiftComponent::Event::type, lambda::_1) == *type);

+ }

+ else {

+ event = component->getNextEvent(timeout);

+ }

+

+ if (event) {

+ pushEvent(L, *event);

+ }

+ else {

+ lua_pushnil(L);

+ }

+ return 1;

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ Component, jid,

+ "Returns the JID of this component",

+ "self\n",

+ ""

+) {

+ SluiftComponent* component = getComponent(L);

+ lua_pushstring(L, component->getComponent()->getJID().toString().c_str());

+ return 1;

+}

+

+SLUIFT_LUA_FUNCTION(Component, __gc) {

+ SluiftComponent* component = getComponent(L);

+ delete component;

+ return 0;

+}

+local component_extra_help = {}

+_H = {

+ [[ Component interface ]]

+}

+local Component = {

+ _with_prompt = function(component) return component:jid() end

+}

+Component.__index = Component

+register_class_table_help(Component, "Component")

+

+

+--------------------------------------------------------------------------------

+-- Component

+--------------------------------------------------------------------------------

+

+component_extra_help = {

+ ["Component.get_next_event"] = {

+ [[ Returns the next event. ]],

+ parameters = { "self" },

+ options = {

+ type = "The type of event to return (`message`, `presence`). When omitted, all event types are returned.",

+ timeout = "The amount of time to wait for events.",

+ ["if"] = "A function to filter events. When this function, called with the event as a parameter, returns true, the event will be returned"

+ }

+ },

+ ["Component.get"] = {

+ [[ Sends a `get` query. ]],

+ parameters = { "self" },

+ options = {

+ to = "The JID of the target to send the query to",

+ query = "The query to send",

+ timeout = "The amount of time to wait for the query to finish",

+ }

+ },

+ ["Component.set"] = {

+ [[ Sends a `set` query. ]],

+ parameters = { "self" },

+ options = {

+ to = "The JID of the target to send the query to",

+ query = "The query to send.",

+ timeout = "The amount of time to wait for the query to finish.",

+ }

+ },

+ ["Component.async_connect"] = {

+ [[

+ Connect to the server asynchronously.

+

+ This method immediately returns.

+ ]],

+ parameters = { "self" },

+ options = {

+ host = "The host to connect to.",

+ port = "The port to connect to."

+ }

+ }

+}

+

+_H = {

+ [[

+ Connect to the server.

+

+ This method blocks until the connection has been established.

+ ]],

+ parameters = { "self" },

+ options = component_extra_help["Component.async_connect"].options

+}

+function Component:connect (...)

+ local options = parse_options({}, ...)

+ local f = options.f

+ self:async_connect(options)

+ self:wait_connected()

+ if f then

+ return call {function() return f(self) end, finally = function() self:disconnect() end}

+ end

+ return true

+end

+register_help(Component.connect)

+

+

+_H = {

+ [[

+ Returns an iterator over all events.

+

+ This function blocks until `timeout` is reached (or blocks forever if it is omitted).

+ ]],

+ parameters = { "self" },

+ options = component_extra_help["Component.get_next_event"].options

+}

+function Component:events (options)

+ local function component_events_iterator(s)

+ return s['component']:get_next_event(s['options'])

+ end

+ return component_events_iterator, {component = self, options = options}

+end

+register_help(Component.events)

+

+

+_H = {

+ [[

+ Calls `f` for each event.

+ ]],

+ parameters = { "self" },

+ options = merge_tables(get_help(Component.events).options, {

+ f = "The functor to call with each event. Required."

+ })

+}

+function Component:for_each_event (...)

+ local options = parse_options({}, ...)

+ if not type(options.f) == 'function' then error('Expected function') end

+ for event in self:events(options) do

+ local result = options.f(event)

+ if result then

+ return result

+ end

+ end

+end

+register_help(Component.for_each_event)

+

+for method, event_type in pairs({message = 'message', presence = 'presence'}) do

+ _H = {

+ "Call `f` for all events of type `" .. event_type .. "`.",

+ parameters = { "self" },

+ options = remove_help_parameters("type", get_help(Component.for_each_event).options)

+ }

+ Component['for_each_' .. method] = function (component, ...)

+ local options = parse_options({}, ...)

+ options['type'] = event_type

+ return component:for_each_event (options)

+ end

+ register_help(Component['for_each_' .. method])

+

+ _H = {

+ "Get the next event of type `" .. event_type .. "`.",

+ parameters = { "self" },

+ options = remove_help_parameters("type", component_extra_help["Component.get_next_event"].options)

+ }

+ Component['get_next_' .. method] = function (component, ...)

+ local options = parse_options({}, ...)

+ options['type'] = event_type

+ return component:get_next_event(options)

+ end

+ register_help(Component['get_next_' .. method])

+end

+

+for method, event_type in pairs({messages = 'message'}) do

+ _H = {

+ "Returns an iterator over all events of type `" .. event_type .. "`.",

+ parameters = { "self" },

+ options = remove_help_parameters("type", get_help(Component.for_each_event).options)

+ }

+ Component[method] = function (component, ...)

+ local options = parse_options({}, ...)

+ options['type'] = event_type

+ return component:events (options)

+ end

+ register_help(Component[method])

+end

+

+_H = {

+ [[

+ Process all pending events

+ ]],

+ parameters = { "self" }

+}

+function Component:process_events ()

+ for event in self:events{timeout=0} do end

+end

+register_help(Component.process_events)

+

+

+--

+-- Register get_* and set_* convenience methods for some type of queries

+--

+-- Example usages:

+-- component:get_software_version{to = 'alice@wonderland.lit'}

+-- component:set_command{to = 'alice@wonderland.lit', command = { type = 'execute', node = 'uptime' }}

+--

+local get_set_shortcuts = {

+ get = {'software_version', 'disco_items', 'xml', 'dom', 'vcard'},

+ set = {'command'}

+}

+for query_action, query_types in pairs(get_set_shortcuts) do

+ for _, query_type in ipairs(query_types) do

+ _H = {

+ "Sends a `" .. query_action .. "` query of type `" .. query_type .. "`.\n" ..

+ "Apart from the options below, all top level elements of `" .. query_type .. "` can be passed.",

+ parameters = { "self" },

+ options = remove_help_parameters({"query", "type"}, component_extra_help["Component.get"].options),

+ }

+ local method = query_action .. '_' .. query_type

+ Component[method] = function (component, options)

+ options = options or {}

+ if type(options) ~= 'table' then error('Invalid options: ' .. options) end

+ options['query'] = merge_tables({_type = query_type}, options[query_type] or {})

+ return component[query_action](component, options)

+ end

+ register_help(Component[method])

+ end

+end

+

+ Component = Component,

+ component_extra_help = component_extra_help,

+#include <Sluift/SluiftComponent.h>

+ Sluift, new_component,

+

+ "Creates a new component.\n\nReturns a @{Component} object.\n",

+

+ "jid The JID to connect as\n"

+ "passphrase The passphrase to use\n",

+

+ ""

+) {

+ Lua::checkString(L, 1);

+ JID jid(std::string(Lua::checkString(L, 1)));

+ std::string password(Lua::checkString(L, 2));

+

+ SluiftComponent** component = reinterpret_cast<SluiftComponent**>(lua_newuserdata(L, sizeof(SluiftComponent*)));

+

+ lua_rawgeti(L, LUA_REGISTRYINDEX, Sluift::globals.coreLibIndex);

+ lua_getfield(L, -1, "Component");

+ lua_setmetatable(L, -3);

+ lua_pop(L, 1);

+

+ *component = new SluiftComponent(jid, password, &Sluift::globals.networkFactories, &Sluift::globals.eventLoop);

+ (*component)->setTraceEnabled(getGlobalDebug(L));

+ return 1;

+}

+

+SLUIFT_LUA_FUNCTION_WITH_HELP(

+ // Load component metatable

+ lua_rawgeti(L, LUA_REGISTRYINDEX, Sluift::globals.coreLibIndex);

+ std::vector<std::string> comp_tables = boost::assign::list_of("Component");

+ foreach(const std::string& table, comp_tables) {

+ lua_getfield(L, -1, table.c_str());

+ Lua::FunctionRegistry::getInstance().addFunctionsToTable(L, table);

+ lua_pop(L, 1);

+ }

+ lua_pop(L, 1);

+