tinyproxy/adns-0.6/regress/hcommon.c.m4

309 lines
8.2 KiB
Plaintext

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