package eu.siacs.conversations.xmpp.jingle; import com.google.common.base.MoreObjects; import com.google.common.base.Objects; import com.google.common.base.Preconditions; import eu.siacs.conversations.entities.Account; import eu.siacs.conversations.entities.Contact; import eu.siacs.conversations.entities.Message; import eu.siacs.conversations.services.XmppConnectionService; import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket; import eu.siacs.conversations.xmpp.Jid; public abstract class AbstractJingleConnection { public static final String JINGLE_MESSAGE_PROPOSE_ID_PREFIX = "jm-propose-"; public static final String JINGLE_MESSAGE_PROCEED_ID_PREFIX = "jm-proceed-"; protected final JingleConnectionManager jingleConnectionManager; protected final XmppConnectionService xmppConnectionService; protected final Id id; protected final Jid initiator; AbstractJingleConnection(final JingleConnectionManager jingleConnectionManager, final Id id, final Jid initiator) { this.jingleConnectionManager = jingleConnectionManager; this.xmppConnectionService = jingleConnectionManager.getXmppConnectionService(); this.id = id; this.initiator = initiator; } boolean isInitiator() { return initiator.equals(id.account.getJid()); } abstract void deliverPacket(JinglePacket jinglePacket); public Id getId() { return id; } abstract void notifyRebound(); public static class Id implements OngoingRtpSession { public final Account account; public final Jid with; public final String sessionId; private Id(final Account account, final Jid with, final String sessionId) { Preconditions.checkNotNull(with); Preconditions.checkArgument(with.isFullJid()); this.account = account; this.with = with; this.sessionId = sessionId; } public static Id of(Account account, JinglePacket jinglePacket) { return new Id(account, jinglePacket.getFrom(), jinglePacket.getSessionId()); } public static Id of(Account account, Jid with, final String sessionId) { return new Id(account, with, sessionId); } public static Id of(Message message) { return new Id( message.getConversation().getAccount(), message.getCounterpart(), JingleConnectionManager.nextRandomId() ); } public Contact getContact() { return account.getRoster().getContact(with); } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Id id = (Id) o; return Objects.equal(account.getUuid(), id.account.getUuid()) && Objects.equal(with, id.with) && Objects.equal(sessionId, id.sessionId); } @Override public int hashCode() { return Objects.hashCode(account.getUuid(), with, sessionId); } @Override public Account getAccount() { return account; } @Override public Jid getWith() { return with; } @Override public String getSessionId() { return sessionId; } @Override public String toString() { return MoreObjects.toStringHelper(this) .add("account", account.getJid()) .add("with", with) .add("sessionId", sessionId) .toString(); } } public enum State { NULL, //default value; nothing has been sent or received yet PROPOSED, ACCEPTED, PROCEED, REJECTED, RETRACTED, RETRACTED_RACED, //used when receiving a retract after we already asked to proceed SESSION_INITIALIZED, //equal to 'PENDING' SESSION_INITIALIZED_PRE_APPROVED, SESSION_ACCEPTED, //equal to 'ACTIVE' TERMINATED_SUCCESS, //equal to 'ENDED' (after successful call) ui will just close TERMINATED_DECLINED_OR_BUSY, //equal to 'ENDED' (after other party declined the call) TERMINATED_CONNECTIVITY_ERROR, //equal to 'ENDED' (but after network failures; ui will display retry button) TERMINATED_CANCEL_OR_TIMEOUT, //more or less the same as retracted; caller pressed end call before session was accepted TERMINATED_APPLICATION_FAILURE } }