// Add FayeCpp library to search headers folders.
// Include library header.
#include <fayecpp.h>

using namespace FayeCpp;

class FayeDelegate : public FayeCpp::Delegate
{
public:
    // override all FayeCpp::Delegate methods.
    virtual void onFayeTransportConnected(FayeCpp::Client * client)
    {
        // ....
    }

    virtual void onFayeClientReceivedMessageFromChannel(FayeCpp::Client * client, 
                                                        const FayeCpp::REVariantMap & message, 
                                                        const FayeCpp::REString & channel)
    {

        // Print channel which received message
        RELog::log("Received message from channel: \"%s\"", channel.UTF8String());

        // Iterate all message (VariantMap) pairs
        REVariantMap::Iterator iterator = message.iterator();
        while (iterator.next()) 
        {
            iterator.key();   // get key
            iterator.value();   // get value for key
        }

        // .....
    }

    // overide other methods

    FayeDelegate() 
    {
        // .....
    }

    virtual ~FayeDelegate() 
    {
        // ......
    }
};

// define somewhere variable or field for client
FayeCpp::Client * _client = NULL;

// create & initialize client
_client = new FayeCpp::Client();
_client->setUrl("ws://your_faye_host:80/faye");
_client->setDelegate(_delegatePointerHere);
_client->connect();

// subscribing or adding channels to pending subscriptions
// From "The Bayeux Protocol Specification v1.0" section "Channels"
// http://docs.cometd.org/reference/bayeux_protocol_elements.html.
// The channel name consists of an initial "/" followed by an optional sequence of path segments separated by a single slash "/" character. Within a path segment, the character "/" is reserved. 
_client->subscribeToChannel("/faye_channel_1");
_client->subscribeToChannel("/something/faye_channel_2");

// Variant object can hold basic types + list and maps
REVariant value;   // create null value, value.type() is REVariant::TypeNone;
value = REVariant();   // set null value, value.type() is REVariant::TypeNone;
value = "C string value";   // set C (const char *) string value, value.type() is REVariant::TypeString;
value = L"Строка";   // set wide (const wchar_t *) string value, value.type() is REVariant::TypeString;
value = 5;   // set integer value, value.type() is REVariant::TypeInteger;
value = 3.14f;   // set float value, value.type() is REVariant::TypeReal;
value = 3.14159265359;   // set double value, value.type() is REVariant::TypeReal;
value = true;   // set boolean value with true, value.type() is REVariant::TypeBool;
value = false;   // set boolean value with false, value.type() is REVariant::TypeBool;

// Map object (hash or dictionary), stores values by string keys
REVariantMap message;   // or FayeCpp::REVariantMap message; if namespace not used.
message["text"] = "Hello world";   // set C (const char *) string value
message[L"wide characters key"] = L"Hello world !!!";   // set wide (const wchar_t *) string value with wide string key.
message[L"Сообщение"] = L"Привет мир !!!";   // set wide (const wchar_t *) string value with wide string key.
message["integer key"] = 1;   // set integer value
message["float key"] = 3.14f;   // set float value
message["double key"] = 3.14159265359;   // set double value
message["is_use_something_1"] = true;   // set boolean value with true
message["is_use_something_2"] = false;   // set boolean value with false
message["null key"] = REVariant();   // set null value

value = message;   // set map value, value.type() is REVariant::TypeMap;

// List object
REVariantList parameters;   // or FayeCpp::REVariantList if namespace not used.
parameters += "Text value";   // add C (const char *) string value, or use 'parameters.add()' method.
parameters += L"Текстовое значение";   // add wide (const wchar_t *) string value with wide string key, or use 'parameters.add()' method.
parameters += 2;   // add integer value, or use 'parameters.add()' method.
parameters += 3.14f;   // add float value, or use 'parameters.add()' method.
parameters += 3.14159265359;   // add double value, or use 'parameters.add()' method.
parameters += true;   // add boolean value with true, or use 'parameters.add()' method.
parameters += false;   // add boolean value with false, or use 'parameters.add()' method.
parameters += REVariant();   // add null value, or use 'parameters.add()' method.

value = parameters;   // set list value, value.type() is REVariant::TypeList;

message["parameters"] = parameters;   // set list value for key

// Create dummy message
REVariantMap message;
message["text"] = "Hello world";
message[L"wide charectes key"] = L"Hello world !!!";
message["integer key"] = 1;
message["float key"] = 3.14f;
message["double key"] = 3.14159265359;

// Send message object to server with channel name
_client->sendMessageToChannel(message, "/faye_channel_1");