// DialAddr connects to a peer over a particular address
// Ensures raddr is part of peer.Addresses()
// Example: d.DialAddr(ctx, peer.Addresses()[0], peer)
func (d *Dialer) DialAddr(ctx context.Context, raddr ma.Multiaddr, remote peer.Peer) (Conn, error) {
found := false
for _, addr := range remote.Addresses() {
if addr.Equal(raddr) {
found = true
}
}
if !found {
return nil, debugerror.Errorf("address %s is not in peer %s", raddr, remote)
}
network, _, err := manet.DialArgs(raddr)
if err != nil {
return nil, err
}
laddr := d.LocalPeer.NetAddress(network)
if laddr == nil {
return nil, debugerror.Errorf("No local address for network %s", network)
}
if strings.HasPrefix(raddr.String(), "/ip4/0.0.0.0") {
return nil, debugerror.Errorf("Attempted to connect to zero address: %s", raddr)
}
remote.SetType(peer.Remote)
remote, err = d.Peerstore.Add(remote)
if err != nil {
log.Errorf("Error putting peer into peerstore: %s", remote)
}
// TODO: try to get reusing addr/ports to work.
// madialer := manet.Dialer{LocalAddr: laddr}
madialer := manet.Dialer{}
log.Infof("%s dialing %s %s", d.LocalPeer, remote, raddr)
maconn, err := madialer.Dial(raddr)
if err != nil {
return nil, err
}
c, err := newSingleConn(ctx, d.LocalPeer, remote, maconn)
if err != nil {
return nil, err
}
return newSecureConn(ctx, c, d.Peerstore)
}
func NewClient(addr string) (Client, error) {
// TODO test returns nil if addr is not a multiaddr
// TODO allow to connect with either multiaddr or other through configuration option
maddr, err := ma.NewMultiaddr(addr)
if err != nil {
return nil, err
}
_, host, err := ma_net.DialArgs(maddr)
if err != nil {
return nil, err
}
return &client{
httpClient: cmds_http.NewClient(host),
}, nil
}