/** * Returns a connection to host a new stream. This prefers the existing connection if it exists, * then the pool, finally building a new connection. */ private RealConnection findConnection( int connectTimeout, int readTimeout, int writeTimeout, boolean connectionRetryEnabled) throws IOException { Route selectedRoute; synchronized (connectionPool) { if (released) throw new IllegalStateException("released"); if (codec != null) throw new IllegalStateException("codec != null"); if (canceled) throw new IOException("Canceled"); RealConnection allocatedConnection = this.connection; if (allocatedConnection != null && !allocatedConnection.noNewStreams) { return allocatedConnection; } // Attempt to get a connection from the pool. RealConnection pooledConnection = Internal.instance.get(connectionPool, address, this); if (pooledConnection != null) { this.connection = pooledConnection; return pooledConnection; } selectedRoute = route; } if (selectedRoute == null) { selectedRoute = routeSelector.next(); synchronized (connectionPool) { route = selectedRoute; refusedStreamCount = 0; } } RealConnection newConnection = new RealConnection(selectedRoute); acquire(newConnection); synchronized (connectionPool) { Internal.instance.put(connectionPool, newConnection); this.connection = newConnection; if (canceled) throw new IOException("Canceled"); } newConnection.connect( connectTimeout, readTimeout, writeTimeout, address.connectionSpecs(), connectionRetryEnabled); routeDatabase().connected(newConnection.route()); return newConnection; }
@Override public String toString() { return address.toString(); }