| /* |
| Copyright (c) 2013 Martin Sustrik All rights reserved. |
| Copyright 2016 Garrett D'Amore <garrett@damore.org> |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), |
| to deal in the Software without restriction, including without limitation |
| the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| and/or sell copies of the Software, and to permit persons to whom |
| the Software is furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included |
| in all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| IN THE SOFTWARE. |
| */ |
| |
| #ifndef NN_SINPROC_INCLUDED |
| #define NN_SINPROC_INCLUDED |
| |
| #include "msgqueue.h" |
| |
| #include "../../transport.h" |
| |
| #include "../../aio/fsm.h" |
| |
| #include "../../utils/msg.h" |
| #include "../../utils/list.h" |
| |
| #define NN_SINPROC_CONNECT 1 |
| #define NN_SINPROC_READY 2 |
| #define NN_SINPROC_ACCEPTED 3 |
| #define NN_SINPROC_SENT 4 |
| #define NN_SINPROC_RECEIVED 5 |
| #define NN_SINPROC_DISCONNECT 6 |
| #define NN_SINPROC_STOPPED 7 |
| |
| /* We use a random value here to prevent accidental clashes with the peer's |
| internal source IDs. */ |
| #define NN_SINPROC_SRC_PEER 27713 |
| |
| struct nn_sinproc { |
| |
| /* The state machine. */ |
| struct nn_fsm fsm; |
| int state; |
| |
| /* Any combination of the flags defined in the .c file. */ |
| int flags; |
| |
| /* Pointer to the peer inproc session, if connected. NULL otherwise. */ |
| struct nn_sinproc *peer; |
| |
| /* Pipe connecting this inproc connection to the nanomsg core. */ |
| struct nn_pipebase pipebase; |
| |
| /* Inbound message queue. The messages contained are meant to be received |
| by the user later on. */ |
| struct nn_msgqueue msgqueue; |
| |
| /* This message is the one being sent from this session to the peer |
| session. It holds the data only temporarily, until the peer moves |
| it to its msgqueue. */ |
| struct nn_msg msg; |
| |
| /* Outbound events. I.e. event sent by this sinproc to the peer sinproc. */ |
| struct nn_fsm_event event_connect; |
| |
| /* Inbound events. I.e. events sent by the peer sinproc to this inproc. */ |
| struct nn_fsm_event event_sent; |
| struct nn_fsm_event event_received; |
| struct nn_fsm_event event_disconnect; |
| |
| /* This member is used only if we are on the bound side. binproc object |
| has a list of sinprocs it handles. */ |
| struct nn_list_item item; |
| }; |
| |
| void nn_sinproc_init (struct nn_sinproc *self, int src, |
| struct nn_ep *ep, struct nn_fsm *owner); |
| void nn_sinproc_term (struct nn_sinproc *self); |
| int nn_sinproc_isidle (struct nn_sinproc *self); |
| |
| /* Connect and accept are two different ways to start the state machine. */ |
| void nn_sinproc_connect (struct nn_sinproc *self, struct nn_fsm *peer); |
| void nn_sinproc_accept (struct nn_sinproc *self, struct nn_sinproc *peer); |
| void nn_sinproc_stop (struct nn_sinproc *self); |
| |
| #endif |