cffi-posix/cffi-socket/grovel-socket.lisp

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• Hash : 75a0320f
  Author : Thomas de Grivel
  Date : 2018-06-03T00:55:22
  

  use grovel for cstruct, differentiate between linux and openbsd

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• grovel-socket.lisp

• ;;
  ;;  cffi-socket  -  Common Lisp wrapper for BSD sockets
  ;;
  ;;  Copyright 2017 Thomas de Grivel <thoxdg@gmail.com>
  ;;
  ;;  Permission to use, copy, modify, and distribute this software for any
  ;;  purpose with or without fee is hereby granted, provided that the above
  ;;  copyright notice and this permission notice appear in all copies.
  ;;
  ;;  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  ;;  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  ;;  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  ;;  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  ;;  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  ;;  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  ;;  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  ;;
  
  (in-package :cffi-socket)
  
  ;;  Sockets
  
  (include "sys/types.h")
  (include "sys/socket.h")
  
  (constant (+af-unix+   "AF_UNIX"))
  (constant (+af-local+  "AF_LOCAL"))
  (constant (+af-inet+   "AF_INET"))
  (constant (+af-inet6+  "AF_INET6"))
  (constant (+af-ipx+    "AF_IPX"))
  (constant (+af-packet+ "AF_PACKET"))
  
  (constant (+sock-stream+ "SOCK_STREAM"))
  (constant (+sock-dgram+  "SOCK_DGRAM"))
  (constant (+sock-raw+    "SOCK_RAW"))
  
  (constant (+sock-nonblock+ "SOCK_NONBLOCK"))
  (constant (+sock-cloexec+  "SOCK_CLOEXEC"))
  
  (constant (+shut-rd+   "SHUT_RD"))
  (constant (+shut-wr+   "SHUT_WR"))
  (constant (+shut-rdwr+ "SHUT_RDWR"))
  
  (ctype socklen-t "socklen_t")
  (ctype size-t "size_t")
  (ctype ssize-t "ssize_t")
  
  ;;  INET
  
  (include "arpa/inet.h")
  
  (ctype uint16-t "uint16_t")
  (ctype uint32-t "uint32_t")
  
  ;;  IP
  
  (include "netinet/in.h")
  
  (constant (+inaddr-any+ "INADDR_ANY"))
  
  (ctype sa-family-t "sa_family_t")
  (ctype in-port-t "in_port_t")
  
  #+linux
  (cstruct sockaddr-in "struct sockaddr_in"
           (sin-family "sin_family" sa-family-t)
           (sin-port "sin_port" in-port-t)
           (sin-addr "sin_addr" uint32-t)
           (sin-zero "sin_zero" :unsigned-char
                     :count #.(- (foreign-type-size '(:struct sockaddr))
                                 (foreign-type-size 'sa-family-t)
                                 (foreign-type-size 'in-port-t)
                                 (foreign-type-size 'uint32-t))))
  
  #+openbsd
  (ctype u-int-8 "u_int8_t")
  
  #+openbsd
  (ctype in-addr-t "in_addr_t")
  
  #+openbsd
  (cstruct sockaddr-in "struct sockaddr_in"
           (sin-len "sin_len" :type u-int-8)
           (sin-family "sin_family" :type sa-family-t)
           (sin-port "sin_port" :type in-port-t)
           (sin-addr "sin_addr" :type in-addr-t)
           (sin-zero "sin_zero" :type :unsigned-char :count 8))
  

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