void nn_stream_init (struct nn_stream *self, struct nn_epbase *epbase,
struct nn_usock *usock)
{
int rc;
int protocol;
size_t sz;
struct nn_iobuf iobuf;
/* Redirect the underlying socket's events to this state machine. */
self->usock = usock;
self->sink = &nn_stream_state_start;
self->original_sink = nn_usock_setsink (usock, &self->sink);
/* Initialise the pipe to communicate with the user. */
rc = nn_pipebase_init (&self->pipebase, &nn_stream_pipebase_vfptr, epbase);
nn_assert (rc == 0);
nn_msg_init (&self->inmsg, 0);
nn_msg_init (&self->outmsg, 0);
/* Start the header timeout timer. */
nn_timer_init (&self->hdr_timeout, &self->sink, usock->cp);
nn_timer_start (&self->hdr_timeout, 1000);
/* Send the protocol header. */
sz = sizeof (protocol);
nn_epbase_getopt (epbase, NN_SOL_SOCKET, NN_PROTOCOL, &protocol, &sz);
errnum_assert (rc == 0, -rc);
nn_assert (sz == sizeof (protocol));
memcpy (self->protohdr, "\0\0SP\0\0\0\0", 8);
nn_puts (self->protohdr + 4, (uint16_t) protocol);
iobuf.iov_base = self->protohdr;
iobuf.iov_len = 8;
nn_usock_send (usock, &iobuf, 1);
}
void nn_stcp_init(struct nn_stcp *self,int32_t src,struct nn_epbase *epbase,struct nn_fsm *owner)
{
nn_fsm_init(&self->fsm,nn_stcp_handler,nn_stcp_shutdown,src,self,owner);
self->state = NN_STCP_STATE_IDLE;
nn_streamhdr_init(&self->streamhdr,NN_STCP_SRC_STREAMHDR,&self->fsm);
self->usock = NULL;
self->usock_owner.src = -1;
self->usock_owner.fsm = NULL;
nn_pipebase_init(&self->pipebase,&nn_stcp_pipebase_vfptr,epbase);
self->instate = -1;
nn_msg_init(&self->inmsg,0);
self->outstate = -1;
nn_msg_init(&self->outmsg,0);
nn_fsm_event_init(&self->done);
}
void nn_sws_init (struct nn_sws *self, int src,
struct nn_epbase *epbase, struct nn_fsm *owner)
{
nn_fsm_init (&self->fsm, nn_sws_handler, nn_sws_shutdown,
src, self, owner);
self->state = NN_SWS_STATE_IDLE;
nn_wshdr_init (&self->wshdr, NN_SWS_SRC_HANDSHAKE, &self->fsm);
self->usock = NULL;
self->usock_owner.src = -1;
self->usock_owner.fsm = NULL;
nn_pipebase_init (&self->pipebase, &nn_sws_pipebase_vfptr, epbase);
self->instate = -1;
nn_list_init (&self->inmsg_array);
self->outstate = -1;
nn_msg_init (&self->outmsg, 0);
self->continuing = 0;
nn_fsm_event_init (&self->done);
}
