[adns] / regress / hcommon.c.m4

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);
}
Commit	Line	Data
bb7ba677	1	m4_dnl hcommon.c
	2	m4_dnl (part of complex test harness, not of the library)
	3	m4_dnl - routines used for both record and playback
	4
d942707d	5	m4_dnl This file is
	6	m4_dnl Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
	7	m4_dnl
	8	m4_dnl It is part of adns, which is
	9	m4_dnl Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk>
	10	m4_dnl Copyright (C) 1999 Tony Finch <dot@dotat.at>
bb7ba677	11	m4_dnl
	12	m4_dnl This program is free software; you can redistribute it and/or modify
	13	m4_dnl it under the terms of the GNU General Public License as published by
	14	m4_dnl the Free Software Foundation; either version 2, or (at your option)
	15	m4_dnl any later version.
	16	m4_dnl
	17	m4_dnl This program is distributed in the hope that it will be useful,
	18	m4_dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
	19	m4_dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	20	m4_dnl GNU General Public License for more details.
	21	m4_dnl
	22	m4_dnl You should have received a copy of the GNU General Public License
	23	m4_dnl along with this program; if not, write to the Free Software Foundation,
	24	m4_dnl Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	25
	26	m4_include(hmacros.i4)
a4f094dd	27
7d251914	28	#include <fcntl.h>
	29	#include <string.h>
	30	#include <errno.h>
914a5ff5	31	#include <stdlib.h>
7d251914	32
	33	#include <sys/socket.h>
	34	#include <netinet/in.h>
	35	#include <arpa/inet.h>
	36
a4f094dd	37	#include "harness.h"
	38	#include "internal.h"
	39
7d251914	40	vbuf vb;
7d251914	41	FILE *Toutputfile= 0;
98b6d5b4	42	struct timeval currenttime;
7d251914	43
	44	const struct Terrno Terrnos[]= {
	45	{ "EAGAIN", EAGAIN },
	46	{ "EINPROGRESS", EINPROGRESS },
	47	{ "EINTR", EINTR },
	48	{ "EINVAL", EINVAL },
	49	{ "EMSGSIZE", EMSGSIZE },
	50	{ "ENOBUFS", ENOBUFS },
	51	{ "ENOENT", ENOENT },
	52	{ "ENOPROTOOPT", ENOPROTOOPT },
	53	{ "ENOSPC", ENOSPC },
	54	{ "EWOULDBLOCK", EWOULDBLOCK },
a00dbcb2	55	{ "EHOSTUNREACH", EHOSTUNREACH },
	56	{ "ECONNREFUSED", ECONNREFUSED },
	57	{ "EPIPE", EPIPE },
7d251914	58	{ 0, 0 }
7d251914	59	};
a4f094dd	60
70a778e5	61	static vbuf vbw;
7d251914	62
98b6d5b4	63	int Hgettimeofday(struct timeval tv, struct timezone tz) {
	64	Tmust("gettimeofday","tz",!tz);
	65	*tv= currenttime;
	66	return 0;
	67	}
	68
70a778e5	69	int Hwritev(int fd, const struct iovec *vector, size_t count) {
	70	size_t i;
	71
	72	vbw.used= 0;
	73	for (i=0; i<count; i++, vector++) {
	74	if (!adns__vbuf_append(&vbw,vector->iov_base,vector->iov_len)) Tnomem();
	75	}
	76	return Hwrite(fd,vbw.buf,vbw.used);
	77	}
7d251914	78
bb7ba677	79	m4_define(`hm_syscall', `
	80	hm_create_proto_q
	81	void Q$1(hm_args_massage($3,void)) {
	82
	83	vb.used= 0;
	84	Tvba("$1");
	85	m4_define(`hm_na',`')
	86	m4_define(`hm_arg_nullptr',`')
	87	m4_define(`hm_arg_int', `Tvbf(" $'`1=%d",$'`1);')
	88	m4_define(`hm_arg_fdset_io', `Tvbf(" $'`1="); Tvbfdset($'`2,$'`1);')
8b1171e6	89	m4_define(`hm_arg_pollfds_io', `Tvbf(" $'`1="); Tvbpollfds($'`1,$'`2);')
bb7ba677	90	m4_define(`hm_arg_timeval_in_rel_null', `
	91	if ($'`1) Tvbf(" $'`1=%ld.%06ld",(long)$'`1->tv_sec,(long)$'`1->tv_usec);
	92	else Tvba(" $'`1=null");')
	93	m4_define(`hm_arg_must', `')
	94	m4_define(`hm_arg_socktype', `
	95	Tvbf($'`1==SOCK_STREAM ? " $'`1=SOCK_STREAM" : " $'`1=SOCK_DGRAM");')
	96	m4_define(`hm_arg_ign', `')
	97	m4_define(`hm_arg_fd', `Tvbf(" $'`1=%d",$'`1);')
	98	m4_define(`hm_arg_fcntl_cmd_arg', `
	99	if ($'`1 == F_SETFL) {
73c4c523	100	Tvbf(" $'`1=F_SETFL %s",arg & O_NONBLOCK ? "O_NONBLOCK\|..." : "~O_NONBLOCK&...");
73c4c523	101	} else if ($'`1 == F_GETFL) {
bb7ba677	102	Tvba(" $'`1=F_GETFL");
73c4c523	103	} else {
73c4c523	104	Tmust("$'`1","F_GETFL/F_SETFL",0);
bb7ba677	105	}')
70a778e5	106	m4_define(`hm_arg_addr_in', `Tvba(" $'`1="); Tvbaddr($'`1,$'`2);')
70a778e5	107	m4_define(`hm_arg_bytes_in', `')
bb7ba677	108	m4_define(`hm_arg_bytes_out', `Tvbf(" $'`4=%lu",(unsigned long)$'`4);')
	109	m4_define(`hm_arg_addr_out', `Tvbf(" *$'`2=%d",$'`2);')
	110	$3
7d251914	111
70a778e5	112	hm_create_nothing
	113	m4_define(`hm_arg_bytes_in', `Tvbbytes($'`2,$'`4);')
	114	$3
	115
7d251914	116	Q_vb();
7d251914	117	}
bb7ba677	118	')
7d251914	119
bb7ba677	120	m4_include(`hsyscalls.i4')
7d251914	121
	122
	123	void Tvbaddr(const struct sockaddr *addr, int len) {
	124	const struct sockaddr_in ai= (const struct sockaddr_in)addr;
	125
	126	assert(len==sizeof(struct sockaddr_in));
	127	assert(ai->sin_family==AF_INET);
bb7ba677	128	Tvbf("%s:%u",inet_ntoa(ai->sin_addr),htons(ai->sin_port));
7d251914	129	}
	130
	131	void Tvbbytes(const void *buf, int len) {
	132	const byte *bp;
	133	int i;
	134
68000374	135	if (!len) { Tvba("\n ."); return; }
7d251914	136	for (i=0, bp=buf; i<len; i++, bp++) {
	137	if (!(i&31)) Tvba("\n ");
	138	else if (!(i&3)) Tvba(" ");
	139	Tvbf("%02x",*bp);
	140	}
70a778e5	141	Tvba(".");
7d251914	142	}
	143
	144	void Tvbfdset(int max, const fd_set *fds) {
	145	int i;
	146	const char *comma= "";
	147
bb7ba677	148	Tvba("[");
7d251914	149	for (i=0; i<max; i++) {
	150	if (!FD_ISSET(i,fds)) continue;
	151	Tvba(comma);
	152	Tvbf("%d",i);
	153	comma= ",";
	154	}
	155	Tvba("]");
	156	}
	157
8b1171e6	158	static void Tvbpollevents(int events) {
	159	const char *delim= "";
	160
	161	events &= (POLLIN\|POLLOUT\|POLLPRI);
	162	if (!events) { Tvba("0"); return; }
	163	if (events & POLLIN) { Tvba("POLLIN"); delim= "\|"; }
	164	if (events & POLLOUT) { Tvba(delim); Tvba("POLLOUT"); delim= "\|"; }
	165	if (events & POLLPRI) { Tvba(delim); Tvba("POLLPRI"); }
	166	}
	167
	168	void Tvbpollfds(const struct pollfd *fds, int nfds) {
	169	const char *comma= "";
	170
	171	Tvba("[");
	172	while (nfds>0) {
	173	Tvba(comma);
	174	Tvbf("{fd=%d, events=",fds->fd);
	175	Tvbpollevents(fds->events);
	176	Tvba(", revents=");
	177	Tvbpollevents(fds->revents);
	178	Tvba("}");
	179	comma= ", ";
	180	nfds--; fds++;
	181	}
	182	Tvba("]");
	183	}
	184
7d251914	185	void Tvberrno(int e) {
7d251914	186	const struct Terrno *te;
a4f094dd	187
7d251914	188	for (te= Terrnos; te->n && te->v != e; te++);
43bb811f	189	assert(te->n);
43bb811f	190	Tvba(te->n);
a4f094dd	191	}
a4f094dd	192
7d251914	193	void Tvba(const char *str) {
	194	if (!adns__vbuf_appendstr(&vb,str)) Tnomem();
	195	}
a4f094dd	196
7d251914	197	void Tvbvf(const char *fmt, va_list al) {
	198	char buf[1000];
	199	buf[sizeof(buf)-2]= '\t';
	200	vsnprintf(buf,sizeof(buf),fmt,al);
	201	assert(buf[sizeof(buf)-2] == '\t');
a4f094dd	202
7d251914	203	Tvba(buf);
	204	}
	205
	206	void Tvbf(const char *fmt, ...) {
	207	va_list al;
	208	va_start(al,fmt);
	209	Tvbvf(fmt,al);
	210	va_end(al);
	211	}
	212
	213
bb7ba677	214	void Tmust(const char call, const char arg, int cond) {
	215	if (cond) return;
	216	fprintf(stderr,"adns test harness: case not handled: system call %s, arg %s",call,arg);
	217	exit(-1);
	218	}
	219
7d251914	220	void Tfailed(const char *why) {
	221	fprintf(stderr,"adns test harness: failure: %s: %s\n",why,strerror(errno));
	222	exit(-1);
	223	}
	224
	225	void Tnomem(void) {
	226	Tfailed("unable to malloc/realloc");
	227	}
	228
	229	void Toutputerr(void) {
	230	Tfailed("write error on test harness output");
	231	}
914a5ff5	232
	233	struct malloced {
	234	struct malloced next, back;
	235	size_t sz;
	236	unsigned long count;
	237	struct { double d; long ul; void p; void (fp)(void); } data;
	238	};
	239
	240	static unsigned long malloccount, mallocfailat;
	241	static struct { struct malloced head, tail; } mallocedlist;
	242
	243	#define MALLOCHSZ ((char)&mallocedlist.head->data - (char)mallocedlist.head)
	244
	245	void *Hmalloc(size_t sz) {
	246	struct malloced *newnode;
	247	const char *mfavar;
	248	char *ep;
	249
	250	assert(sz);
	251
	252	newnode= malloc(MALLOCHSZ + sz); if (!newnode) Tnomem();
	253
	254	LIST_LINK_TAIL(mallocedlist,newnode);
	255	newnode->sz= sz;
	256	newnode->count= ++malloccount;
	257	if (!mallocfailat) {
	258	mfavar= getenv("ADNS_REGRESS_MALLOCFAILAT");
	259	if (mfavar) {
	260	mallocfailat= strtoul(mfavar,&ep,10);
	261	if (!mallocfailat \|\| *ep) Tfailed("ADNS_REGRESS_MALLOCFAILAT bad value");
	262	} else {
	263	mallocfailat= ~0UL;
	264	}
	265	}
	266	assert(newnode->count != mallocfailat);
	267	memset(&newnode->data,0xc7,sz);
	268	return &newnode->data;
	269	}
	270
	271	void Hfree(void *ptr) {
	272	struct malloced *oldnode;
	273
	274	if (!ptr) return;
	275
	276	oldnode= (void)((char)ptr - MALLOCHSZ);
	277	LIST_UNLINK(mallocedlist,oldnode);
	278	memset(&oldnode->data,0x38,oldnode->sz);
	279	free(oldnode);
	280	}
	281
	282	void Hrealloc(void op, size_t nsz) {
	283	struct malloced *oldnode;
	284	void *np;
	285	size_t osz;
	286
	287	if (op) { oldnode= (void)((char)op - MALLOCHSZ); osz= oldnode->sz; } else { osz= 0; }
	288	np= Hmalloc(nsz);
	289	memcpy(np,op, osz>nsz ? nsz : osz);
	290	Hfree(op);
	291	return np;
	292	}
	293
	294	void Hexit(int rv) {
	295	struct malloced *loopnode;
296
297	Tshutdown();
298	adns__vbuf_free(&vb);
299	adns__vbuf_free(&vbw);
300	if (mallocedlist.head) {
301	fprintf(stderr,"adns test harness: memory leaked:");
302	for (loopnode=mallocedlist.head; loopnode; loopnode=loopnode->next)
303	fprintf(stderr," %lu(%lu)",loopnode->count,(unsigned long)loopnode->sz);
304	putc('\n',stderr);
305	if (ferror(stderr)) exit(-1);
306	}
307	exit(rv);
308	}