TransportImpl::AcceptConnectResult
TcpTransport::accept_datalink(const RemoteTransport& remote,
const ConnectionAttribs& attribs,
TransportClient* client)
{
GuidConverter remote_conv(remote.repo_id_);
GuidConverter local_conv(attribs.local_id_);
VDBG_LVL((LM_DEBUG, "(%P|%t) TcpTransport::accept_datalink local %C "
"accepting connection from remote %C\n",
std::string(local_conv).c_str(),
std::string(remote_conv).c_str()), 5);
GuardType guard(connections_lock_);
const PriorityKey key =
blob_to_key(remote.blob_, attribs.priority_, false /* !active */);
VDBG_LVL((LM_DEBUG, "(%P|%t) TcpTransport::accept_datalink PriorityKey "
"prio=%d, addr=%C:%hu, is_loopback=%d, is_active=%d\n", attribs.priority_,
key.address().get_host_addr(), key.address().get_port_number(),
key.is_loopback(), key.is_active()), 2);
TcpDataLink_rch link;
{
GuardType guard(links_lock_);
if (find_datalink_i(key, link, client, remote.repo_id_)) {
return link.is_nil()
? AcceptConnectResult(AcceptConnectResult::ACR_SUCCESS)
: AcceptConnectResult(link._retn());
} else {
link = new TcpDataLink(key.address(), this, key.priority(),
key.is_loopback(), key.is_active());
if (links_.bind(key, link) != 0 /*OK*/) {
ACE_ERROR((LM_ERROR,
"(%P|%t) ERROR: TcpTransport::accept_datalink "
"Unable to bind new TcpDataLink to "
"TcpTransport in links_ map.\n"));
return AcceptConnectResult();
}
}
}
TcpConnection_rch connection;
const ConnectionMap::iterator iter = connections_.find(key);
if (iter != connections_.end()) {
connection = iter->second;
connections_.erase(iter);
}
if (connection.is_nil()) {
if (!link->add_on_start_callback(client, remote.repo_id_)) {
VDBG_LVL((LM_DEBUG, "(%P|%t) TcpTransport::accept_datalink "
"got started link %@.\n", link.in()), 2);
return AcceptConnectResult(link._retn());
}
VDBG_LVL((LM_DEBUG, "(%P|%t) TcpTransport::accept_datalink "
"no existing TcpConnection.\n"), 2);
add_pending_connection(client, link.in());
// no link ready, passive_connection will complete later
return AcceptConnectResult(AcceptConnectResult::ACR_SUCCESS);
}
guard.release(); // connect_tcp_datalink() isn't called with connections_lock_
if (connect_tcp_datalink(link, connection) == -1) {
GuardType guard(links_lock_);
links_.unbind(key);
link = 0;
}
VDBG_LVL((LM_DEBUG, "(%P|%t) TcpTransport::accept_datalink "
"connected link %@.\n", link.in()), 2);
return AcceptConnectResult(link._retn());
}
static int
misc_conv(int num_msg, const struct pam_message **msgm,
struct pam_response **response, void *appdata_ptr)
{
return local_conv(num_msg, msgm, response, appdata_ptr);
}
