aros/aros_compat.c

   1 /*
   2    Copyright (C) 2013 by Ronnie Sahlberg <ronniesahlberg@gmail.com>
   3
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU Lesser General Public License as published by
   6    the Free Software Foundation; either version 2.1 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public License
  15    along with this program; if not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21 #include <sys/types.h>
  22 #include <sys/time.h>
  23 #include <sys/socket.h>
  24 #include <netdb.h>
  25 #include "aros_compat.h"
  26 #include <errno.h>
  27 #include <bsdsocket/socketbasetags.h>
  28
  29 #undef poll
  30
  31 int aros_getnameinfo(const struct sockaddr *sa, socklen_t salen,
  32 char *host, size_t hostlen,
  33 char *serv, size_t servlen, int flags)
  34 {
  35   struct sockaddr_in *sin = (struct sockaddr_in *)sa;
  36
  37   if (host) {
  38     snprintf(host, hostlen, Inet_NtoA(sin->sin_addr.s_addr));
  39   }
  40
  41   return 0;
  42 }
  43
  44 int aros_getaddrinfo(const char *node, const char*service,
  45 const struct addrinfo *hints,
  46 struct addrinfo **res)
  47 {
  48   struct sockaddr_in *sin;
  49
  50   sin = malloc(sizeof(struct sockaddr_in));
  51   sin->sin_len = sizeof(struct sockaddr_in);
  52   sin->sin_family=AF_INET;
  53
  54   /* Some error checking would be nice */
  55   sin->sin_addr.s_addr = inet_addr(node);
  56
  57   sin->sin_port=0;
  58   if (service) {
  59     sin->sin_port=htons(atoi(service));
  60   }
  61
  62   *res = malloc(sizeof(struct addrinfo));
  63
  64   (*res)->ai_family = AF_INET;
  65   (*res)->ai_addrlen = sizeof(struct sockaddr_in);
  66   (*res)->ai_addr = (struct sockaddr *)sin;
  67
  68   return 0;
  69 }
  70
  71 void aros_freeaddrinfo(struct addrinfo *res)
  72 {
  73   free(res->ai_addr);
  74   free(res);
  75 }
  76
  77 int aros_inet_pton(int af, char *src, void *dst)
  78 {
  79   struct sockaddr_in sin;
  80
  81   sin.sin_addr.s_addr = inet_addr(src);
  82   memcpy(dst, &sin.sin_addr.s_addr, sizeof(sin.sin_addr.s_addr));
  83   return 1;
  84 }
  85
  86
  87 /* unix device numbers dont really make much sense on aros ... */
  88 int major(int i)
  89 {
  90   return 1;
  91 }
  92 int minor(int i)
  93 {
  94   return 2;
  95 }
  96
  97 struct Library * SocketBase = NULL;
  98
  99 extern int errno;
 100 int h_errno = 0;
 101
 102
 103 void aros_init_socket(void)
 104 {
 105   if (!(SocketBase = OpenLibrary("bsdsocket.library", 4))) {
 106     printf("NoTCP/IP Stack available");
 107     exit(10);
 108   }
 109   if (SocketBaseTags(SBTM_SETVAL(SBTC_ERRNOPTR(sizeof(errno))),
 110                      (IPTR)&errno,
 111                      SBTM_SETVAL(SBTC_HERRNOLONGPTR),
 112                      (IPTR)&h_errno, TAG_DONE)) {
 113     printf("Failed to set ERRNO");
 114     exit(10);
 115   }
 116 }
 117
 118 int aros_poll(struct pollfd *fds, unsigned int nfds, int timo)
 119 {
 120   struct timeval timeout, *toptr;
 121   fd_set ifds, ofds, efds, *ip, *op;
 122   unsigned int i, maxfd = 0;
 123   int  rc;
 124
 125   // Set up the file-descriptor sets in ifds, ofds and efds.
 126   FD_ZERO(&ifds);
 127   FD_ZERO(&ofds);
 128   FD_ZERO(&efds);
 129   for (i = 0, op = ip = 0; i < nfds; ++i)
 130   {
 131     fds[i].revents = 0;
 132     if(fds[i].events & (POLLIN|POLLPRI))
 133     {
 134       ip = &ifds;
 135       FD_SET(fds[i].fd, ip);
 136     }
 137     if(fds[i].events & POLLOUT)
 138     {
 139       op = &ofds;
 140       FD_SET(fds[i].fd, op);
 141     }
 142     FD_SET(fds[i].fd, &efds);
 143     if (fds[i].fd > maxfd) {
 144       maxfd = fds[i].fd;
 145     }
 146   }
 147
 148   // Set up the timeval structure for the timeout parameter
 149   if(timo < 0)
 150   {
 151     toptr = 0;
 152   }
 153   else
 154   {
 155     toptr = &timeout;
 156     timeout.tv_sec = timo / 1000;
 157     timeout.tv_usec = (timo - timeout.tv_sec * 1000) * 1000;
 158   }
 159
 160   rc = WaitSelect(maxfd + 1, ip, op, &efds, toptr, NULL);
 161
 162   if(rc <= 0)
 163     return rc;
 164
 165   if(rc > 0)
 166   {
 167     for (i = 0; i < nfds; ++i)
 168     {
 169       int fd = fds[i].fd;
 170       if(fds[i].events & (POLLIN|POLLPRI) && FD_ISSET(fd, &ifds))
 171         fds[i].revents |= POLLIN;
 172       if(fds[i].events & POLLOUT && FD_ISSET(fd, &ofds))
 173         fds[i].revents |= POLLOUT;
 174       if(FD_ISSET(fd, &efds)) // Some error was detected ... should be some way to know.
 175         fds[i].revents |= POLLHUP;
 176     }
 177   }
 178   return rc;
 179 }
 180