309 lines
8.2 KiB
Plaintext
309 lines
8.2 KiB
Plaintext
m4_dnl hcommon.c
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m4_dnl (part of complex test harness, not of the library)
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m4_dnl - routines used for both record and playback
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m4_dnl This file is
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m4_dnl Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
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m4_dnl
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m4_dnl It is part of adns, which is
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m4_dnl Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
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m4_dnl Copyright (C) 1999 Tony Finch <dot@dotat.at>
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m4_dnl
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m4_dnl This program is free software; you can redistribute it and/or modify
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m4_dnl it under the terms of the GNU General Public License as published by
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m4_dnl the Free Software Foundation; either version 2, or (at your option)
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m4_dnl any later version.
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m4_dnl
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m4_dnl This program is distributed in the hope that it will be useful,
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m4_dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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m4_dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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m4_dnl GNU General Public License for more details.
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m4_dnl
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m4_dnl You should have received a copy of the GNU General Public License
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m4_dnl along with this program; if not, write to the Free Software Foundation,
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m4_dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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m4_include(hmacros.i4)
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#include <fcntl.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include "harness.h"
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#include "internal.h"
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vbuf vb;
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FILE *Toutputfile= 0;
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struct timeval currenttime;
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const struct Terrno Terrnos[]= {
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{ "EAGAIN", EAGAIN },
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{ "EINPROGRESS", EINPROGRESS },
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{ "EINTR", EINTR },
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{ "EINVAL", EINVAL },
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{ "EMSGSIZE", EMSGSIZE },
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{ "ENOBUFS", ENOBUFS },
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{ "ENOENT", ENOENT },
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{ "ENOPROTOOPT", ENOPROTOOPT },
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{ "ENOSPC", ENOSPC },
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{ "EWOULDBLOCK", EWOULDBLOCK },
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{ "EHOSTUNREACH", EHOSTUNREACH },
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{ "ECONNREFUSED", ECONNREFUSED },
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{ "EPIPE", EPIPE },
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{ 0, 0 }
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};
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static vbuf vbw;
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int Hgettimeofday(struct timeval *tv, struct timezone *tz) {
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Tmust("gettimeofday","tz",!tz);
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*tv= currenttime;
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return 0;
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}
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int Hwritev(int fd, const struct iovec *vector, size_t count) {
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size_t i;
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vbw.used= 0;
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for (i=0; i<count; i++, vector++) {
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if (!adns__vbuf_append(&vbw,vector->iov_base,vector->iov_len)) Tnomem();
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}
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return Hwrite(fd,vbw.buf,vbw.used);
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}
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m4_define(`hm_syscall', `
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hm_create_proto_q
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void Q$1(hm_args_massage($3,void)) {
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vb.used= 0;
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Tvba("$1");
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m4_define(`hm_na',`')
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m4_define(`hm_arg_nullptr',`')
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m4_define(`hm_arg_int', `Tvbf(" $'`1=%d",$'`1);')
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m4_define(`hm_arg_fdset_io', `Tvbf(" $'`1="); Tvbfdset($'`2,$'`1);')
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m4_define(`hm_arg_pollfds_io', `Tvbf(" $'`1="); Tvbpollfds($'`1,$'`2);')
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m4_define(`hm_arg_timeval_in_rel_null', `
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if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec);
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else Tvba(" $'`1=null");')
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m4_define(`hm_arg_must', `')
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m4_define(`hm_arg_socktype', `
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Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");')
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m4_define(`hm_arg_ign', `')
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m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);')
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m4_define(`hm_arg_fcntl_cmd_arg', `
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if ($'`1 == F_SETFL) {
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Tvbf(" $'`1=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK|..." : "~O_NONBLOCK&...");
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} else if ($'`1 == F_GETFL) {
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Tvba(" $'`1=F_GETFL");
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} else {
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Tmust("$'`1","F_GETFL/F_SETFL",0);
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}')
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m4_define(`hm_arg_addr_in', `Tvba(" $'`1="); Tvbaddr($'`1,$'`2);')
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m4_define(`hm_arg_bytes_in', `')
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m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);')
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m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);')
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$3
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hm_create_nothing
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m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);')
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$3
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Q_vb();
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}
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')
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m4_include(`hsyscalls.i4')
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void Tvbaddr(const struct sockaddr *addr, int len) {
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const struct sockaddr_in *ai= (const struct sockaddr_in*)addr;
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assert(len==sizeof(struct sockaddr_in));
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assert(ai->sin_family==AF_INET);
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Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port));
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}
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void Tvbbytes(const void *buf, int len) {
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const byte *bp;
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int i;
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if (!len) { Tvba("\n ."); return; }
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for (i=0, bp=buf; i<len; i++, bp++) {
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if (!(i&31)) Tvba("\n ");
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else if (!(i&3)) Tvba(" ");
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Tvbf("%02x",*bp);
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}
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Tvba(".");
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}
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void Tvbfdset(int max, const fd_set *fds) {
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int i;
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const char *comma= "";
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Tvba("[");
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for (i=0; i<max; i++) {
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if (!FD_ISSET(i,fds)) continue;
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Tvba(comma);
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Tvbf("%d",i);
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comma= ",";
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}
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Tvba("]");
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}
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static void Tvbpollevents(int events) {
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const char *delim= "";
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events &= (POLLIN|POLLOUT|POLLPRI);
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if (!events) { Tvba("0"); return; }
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if (events & POLLIN) { Tvba("POLLIN"); delim= "|"; }
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if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "|"; }
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if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); }
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}
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void Tvbpollfds(const struct pollfd *fds, int nfds) {
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const char *comma= "";
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Tvba("[");
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while (nfds>0) {
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Tvba(comma);
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Tvbf("{fd=%d, events=",fds->fd);
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Tvbpollevents(fds->events);
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Tvba(", revents=");
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Tvbpollevents(fds->revents);
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Tvba("}");
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comma= ", ";
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nfds--; fds++;
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}
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Tvba("]");
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}
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void Tvberrno(int e) {
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const struct Terrno *te;
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for (te= Terrnos; te->n && te->v != e; te++);
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assert(te->n);
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Tvba(te->n);
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}
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void Tvba(const char *str) {
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if (!adns__vbuf_appendstr(&vb,str)) Tnomem();
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}
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void Tvbvf(const char *fmt, va_list al) {
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char buf[1000];
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buf[sizeof(buf)-2]= '\t';
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vsnprintf(buf,sizeof(buf),fmt,al);
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assert(buf[sizeof(buf)-2] == '\t');
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Tvba(buf);
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}
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void Tvbf(const char *fmt, ...) {
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va_list al;
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va_start(al,fmt);
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Tvbvf(fmt,al);
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va_end(al);
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}
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void Tmust(const char *call, const char *arg, int cond) {
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if (cond) return;
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fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg);
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exit(-1);
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}
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void Tfailed(const char *why) {
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fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno));
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exit(-1);
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}
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void Tnomem(void) {
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Tfailed("unable to malloc/realloc");
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}
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void Toutputerr(void) {
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Tfailed("write error on test harness output");
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}
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struct malloced {
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struct malloced *next, *back;
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size_t sz;
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unsigned long count;
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struct { double d; long ul; void *p; void (*fp)(void); } data;
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};
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static unsigned long malloccount, mallocfailat;
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static struct { struct malloced *head, *tail; } mallocedlist;
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#define MALLOCHSZ ((char*)&mallocedlist.head->data - (char*)mallocedlist.head)
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void *Hmalloc(size_t sz) {
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struct malloced *newnode;
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const char *mfavar;
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char *ep;
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assert(sz);
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newnode= malloc(MALLOCHSZ + sz); if (!newnode) Tnomem();
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LIST_LINK_TAIL(mallocedlist,newnode);
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newnode->sz= sz;
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newnode->count= ++malloccount;
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if (!mallocfailat) {
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mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT");
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if (mfavar) {
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mallocfailat= strtoul(mfavar,&ep,10);
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if (!mallocfailat || *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value");
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} else {
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mallocfailat= ~0UL;
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}
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}
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assert(newnode->count != mallocfailat);
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memset(&newnode->data,0xc7,sz);
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return &newnode->data;
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}
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void Hfree(void *ptr) {
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struct malloced *oldnode;
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if (!ptr) return;
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oldnode= (void*)((char*)ptr - MALLOCHSZ);
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LIST_UNLINK(mallocedlist,oldnode);
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memset(&oldnode->data,0x38,oldnode->sz);
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free(oldnode);
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}
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void *Hrealloc(void *op, size_t nsz) {
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struct malloced *oldnode;
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void *np;
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size_t osz;
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if (op) { oldnode= (void*)((char*)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; }
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np= Hmalloc(nsz);
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memcpy(np,op, osz>nsz ? nsz : osz);
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Hfree(op);
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return np;
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}
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void Hexit(int rv) {
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struct malloced *loopnode;
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Tshutdown();
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adns__vbuf_free(&vb);
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adns__vbuf_free(&vbw);
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if (mallocedlist.head) {
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fprintf(stderr,"adns test harness: memory leaked:");
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for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next)
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fprintf(stderr," %lu(%lu)",loopnode->count,(unsigned long)loopnode->sz);
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putc('\n',stderr);
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if (ferror(stderr)) exit(-1);
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}
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exit(rv);
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}
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