| /* |
| Copyright (c) 2013 Martin Sustrik All rights reserved. |
| |
| 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_USOCK_INCLUDED |
| #define NN_USOCK_INCLUDED |
| |
| /* Import the definition of nn_iovec. */ |
| #include "../nn.h" |
| |
| /* OS-level sockets. */ |
| |
| /* Event types generated by nn_usock. */ |
| #define NN_USOCK_CONNECTED 1 |
| #define NN_USOCK_ACCEPTED 2 |
| #define NN_USOCK_SENT 3 |
| #define NN_USOCK_RECEIVED 4 |
| #define NN_USOCK_ERROR 5 |
| #define NN_USOCK_ACCEPT_ERROR 6 |
| #define NN_USOCK_STOPPED 7 |
| #define NN_USOCK_SHUTDOWN 8 |
| |
| /* Maximum number of iovecs that can be passed to nn_usock_send function. */ |
| #define NN_USOCK_MAX_IOVCNT 3 |
| |
| /* Size of the buffer used for batch-reads of inbound data. To keep the |
| performance optimal make sure that this value is larger than network MTU. */ |
| #define NN_USOCK_BATCH_SIZE 2048 |
| |
| #if defined NN_HAVE_WINDOWS |
| #include "usock_win.h" |
| #else |
| #include "usock_posix.h" |
| #endif |
| |
| void nn_usock_init (struct nn_usock *self, int src, struct nn_fsm *owner); |
| void nn_usock_term (struct nn_usock *self); |
| |
| int nn_usock_isidle (struct nn_usock *self); |
| int nn_usock_start (struct nn_usock *self, |
| int domain, int type, int protocol); |
| void nn_usock_start_fd (struct nn_usock *self, int fd); |
| void nn_usock_stop (struct nn_usock *self); |
| |
| void nn_usock_swap_owner (struct nn_usock *self, struct nn_fsm_owner *owner); |
| |
| int nn_usock_setsockopt (struct nn_usock *self, int level, int optname, |
| const void *optval, size_t optlen); |
| |
| int nn_usock_bind (struct nn_usock *self, const struct sockaddr *addr, |
| size_t addrlen); |
| int nn_usock_listen (struct nn_usock *self, int backlog); |
| |
| /* Accept a new connection from a listener. When done, NN_USOCK_ACCEPTED |
| event will be delivered to the accepted socket. To cancel the operation, |
| stop the socket being accepted. Listening socket should not be stopped |
| while accepting a new socket is underway. */ |
| void nn_usock_accept (struct nn_usock *self, struct nn_usock *listener); |
| |
| /* When all the tuning is done on the accepted socket, call this function |
| to activate standard data transfer phase. */ |
| void nn_usock_activate (struct nn_usock *self); |
| |
| /* Start connecting. Prior to this call the socket has to be bound to a local |
| address. When connecting is done NN_USOCK_CONNECTED event will be reaised. |
| If connecting fails NN_USOCK_ERROR event will be raised. */ |
| void nn_usock_connect (struct nn_usock *self, const struct sockaddr *addr, |
| size_t addrlen); |
| |
| void nn_usock_send (struct nn_usock *self, const struct nn_iovec *iov, |
| int iovcnt); |
| void nn_usock_recv (struct nn_usock *self, void *buf, size_t len, int *fd); |
| |
| int nn_usock_geterrno (struct nn_usock *self); |
| |
| #endif |