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#include "host.h"
#include <QDebug>

Host::Host (GNUNET_SOCIAL_App *app,
            GNUNET_SOCIAL_Ego *ego,
            enum GNUNET_PSYC_Policy policy,
            QObject *parent)
  : Place (parent)
{
  m_app = app;
  m_ego = ego;
  m_isHost = true;
  m_host =
    GNUNET_SOCIAL_host_enter (m_app, ego, policy, createSlicer (),
                              enterCallback,
                              answerDoorCallback,
                              farewellCallback,
                              this);
  m_plc = GNUNET_SOCIAL_host_get_place (m_host);
  connectSignals ();
}


Host::Host (GNUNET_SOCIAL_App *app,
            GNUNET_SOCIAL_Ego *ego,
            GNUNET_SOCIAL_HostConnection *hconn,
            QObject *parent)
  : Place (parent)
{
  m_app = app;
  m_ego = ego;
  m_isHost = true;
  m_host =
    GNUNET_SOCIAL_host_enter_reconnect (hconn, createSlicer (),
                                        enterCallback,
                                        answerDoorCallback,
                                        farewellCallback,
                                        this);
  m_plc = GNUNET_SOCIAL_host_get_place (m_host);
  connectSignals ();
}


Host::~Host ()
{
  GNUNET_SOCIAL_host_disconnect (m_host, NULL, NULL);
}


void
Host::connectSignals ()
{
  connect (this, SIGNAL (announceSignal (QString)),
           this, SLOT (announce (QString)),
           Qt::QueuedConnection);
}


void
Host::answerDoorCallback (void *cls, struct GNUNET_SOCIAL_Nym *nym,
                          const char *method_name,
                          struct GNUNET_PSYC_Environment *env,
                          const void *data, size_t data_size)
{
  GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
              "Host received entry request from guest .\n");
  GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
              "%s\n%.*s\n", method_name, data_size, data);

  Host *host = (Host *) cls;
  emit host->answerDoorSignal (new Message (method_name, env, data, data_size,
                                            0, nym));
}


void
Host::entryDecision (GNUNET_SOCIAL_Nym *nym,
                     bool isAdmitted,
                     Message *response)
{
  GNUNET_PSYC_Message *msg = NULL;
  if (NULL != response)
    msg = response->toPsyc ();

  GNUNET_SOCIAL_host_entry_decision (m_host, nym,
                                     isAdmitted ? GNUNET_YES : GNUNET_NO,
                                     msg);
  if (NULL != msg)
    GNUNET_free (msg);
}


void
Host::enterCallback (void *cls, int result,
                     const struct GNUNET_CRYPTO_EddsaPublicKey *placePubKey,
                     uint64_t max_message_id)
{
  Host *host = (Host *) cls;
  host->init (*placePubKey);
}

void
Host::farewellCallback (void *cls,
                        const struct GNUNET_SOCIAL_Nym *nym,
                        struct GNUNET_PSYC_Environment *env)
{
  const struct GNUNET_CRYPTO_EcdsaPublicKey *
    nym_key = GNUNET_SOCIAL_nym_get_pub_key (nym);
  GNUNET_log (GNUNET_ERROR_TYPE_WARNING, "Nym %s has left the place.\n",
              GNUNET_CRYPTO_ecdsa_public_key_to_string (nym_key));
}


void
Host::announce (Message *msg)
{
  if (m_inTransmit)
  {
    // FIXME: queue message
    qDebug () << "Host.announce: already in transmit";
    return;
  }

  m_inTransmit = true;
  m_tmitData = msg->data ().toStdString ();
  m_tmitSent = 0;

  GNUNET_PSYC_Environment *env = msg->getPsycEnv ();
  m_announce =
    GNUNET_SOCIAL_host_announce (m_host, msg->method ().toStdString ().c_str (),
                                 env, notifyDataCallback, this,
                                 GNUNET_SOCIAL_ANNOUNCE_NONE);
  GNUNET_PSYC_env_destroy (env);
}


void
Host::announce (QString text)
{
  qDebug () << "Host.announce: " << text;
  Message msg ("_converse", QList<Modifier *>(), text);
  announce (&msg);
}


void
Host::talk (QString text)
{
  qDebug () << "Host.talk: " << text;
  emit announceSignal (text);
}


int
Host::zoneAddPlace (QString name)
{
  return
    GNUNET_SOCIAL_zone_add_place (m_app, m_ego, name.toStdString().c_str(), NULL,
                                  &m_pubKey, NULL, 0, NULL,
                                  GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_MONTHS),
                                  NULL, NULL);
}