diff options
Diffstat (limited to 'src/spdk/include/spdk_internal/sock.h')
| -rw-r--r-- | src/spdk/include/spdk_internal/sock.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/spdk/include/spdk_internal/sock.h b/src/spdk/include/spdk_internal/sock.h new file mode 100644 index 00000000..d5542bf3 --- /dev/null +++ b/src/spdk/include/spdk_internal/sock.h @@ -0,0 +1,109 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/** \file + * TCP network implementation abstraction layer + */ + +#ifndef SPDK_INTERNAL_SOCK_H +#define SPDK_INTERNAL_SOCK_H + +#include "spdk/stdinc.h" +#include "spdk/sock.h" +#include "spdk/queue.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define MAX_EVENTS_PER_POLL 32 + +struct spdk_sock { + struct spdk_net_impl *net_impl; + spdk_sock_cb cb_fn; + void *cb_arg; + TAILQ_ENTRY(spdk_sock) link; +}; + +struct spdk_sock_group { + STAILQ_HEAD(, spdk_sock_group_impl) group_impls; +}; + +struct spdk_sock_group_impl { + struct spdk_net_impl *net_impl; + TAILQ_HEAD(, spdk_sock) socks; + STAILQ_ENTRY(spdk_sock_group_impl) link; +}; + +struct spdk_net_impl { + const char *name; + + int (*getaddr)(struct spdk_sock *sock, char *saddr, int slen, uint16_t *sport, char *caddr, + int clen, uint16_t *cport); + struct spdk_sock *(*connect)(const char *ip, int port); + struct spdk_sock *(*listen)(const char *ip, int port); + struct spdk_sock *(*accept)(struct spdk_sock *sock); + int (*close)(struct spdk_sock *sock); + ssize_t (*recv)(struct spdk_sock *sock, void *buf, size_t len); + ssize_t (*writev)(struct spdk_sock *sock, struct iovec *iov, int iovcnt); + + int (*set_recvlowat)(struct spdk_sock *sock, int nbytes); + int (*set_recvbuf)(struct spdk_sock *sock, int sz); + int (*set_sendbuf)(struct spdk_sock *sock, int sz); + + bool (*is_ipv6)(struct spdk_sock *sock); + bool (*is_ipv4)(struct spdk_sock *sock); + + struct spdk_sock_group_impl *(*group_impl_create)(void); + int (*group_impl_add_sock)(struct spdk_sock_group_impl *group, struct spdk_sock *sock); + int (*group_impl_remove_sock)(struct spdk_sock_group_impl *group, struct spdk_sock *sock); + int (*group_impl_poll)(struct spdk_sock_group_impl *group, int max_events, + struct spdk_sock **socks); + int (*group_impl_close)(struct spdk_sock_group_impl *group); + + STAILQ_ENTRY(spdk_net_impl) link; +}; + +void spdk_net_impl_register(struct spdk_net_impl *impl); + +#define SPDK_NET_IMPL_REGISTER(name, impl) \ +static void __attribute__((constructor)) net_impl_register_##name(void) \ +{ \ + spdk_net_impl_register(impl); \ +} + +#ifdef __cplusplus +} +#endif + +#endif /* SPDK_INTERNAL_SOCK_H */ |