/*
- * dtest.c
+ * adnstest.c
* - simple test program, not part of the library
*/
/*
#include <stdlib.h>
#include <string.h>
#include <errno.h>
-#include <sys/poll.h>
+
+#include "adns.h"
+
+#include "config.h"
#ifndef OUTPUTSTREAM
# define OUTPUTSTREAM stdout
#endif
-#include "adns.h"
+#ifndef HAVE_POLL
+#undef poll
+int poll(struct pollfd *ufds, int nfds, int timeout) {
+ fputs("poll(2) not supported on this system\n",stderr);
+ exit(5);
+}
+#define adns_beforepoll(a,b,c,d,e) 0
+#define adns_afterpoll(a,b,c,d) 0
+#endif
+static void failure_status(const char *what, adns_status st) NONRETURNING;
static void failure_status(const char *what, adns_status st) {
fprintf(stderr,"adns failure: %s: %s\n",what,adns_strerror(st));
exit(2);
}
+static void failure_errno(const char *what, int errnoval) NONRETURNING;
static void failure_errno(const char *what, int errnoval) {
fprintf(stderr,"adns failure: %s: errno=%d\n",what,errnoval);
exit(2);
}
-static const char *defaultargv[]= { "ns.chiark.greenend.org.uk", 0 };
+static void usageerr(const char *why) NONRETURNING;
+static void usageerr(const char *why) {
+ fprintf(stderr,
+ "bad usage: %s\n"
+ "usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
+ " [ :<typenum>,... ]\n"
+ " [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
+ "initflags: p use poll(2) instead of select(2)\n"
+ " s use adns_wait with specified query, instead of 0\n"
+ "queryflags: a print status abbrevs instead of strings\n"
+ "exit status: 0 ok (though some queries may have failed)\n"
+ " 1 used by test harness to indicate test failed\n"
+ " 2 unable to submit or init or some such\n"
+ " 3 unexpected failure\n"
+ " 4 usage error\n"
+ " 5 operation not supported on this system\n",
+ why);
+ exit(4);
+}
static const adns_rrtype defaulttypes[]= {
adns_r_a,
const char *initstring, *rrtn, *fmtn;
const char *const *fdomlist, *domain;
char *show, *cp;
- int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum, npollfds, npollfdsavail, timeout;
- struct pollfd *pollfds;
- adns_status r, ri;
+ int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum;
+ adns_status ri;
+ int r;
const adns_rrtype *types;
struct timeval now;
adns_rrtype *types_a;
initflagsnum= strtoul(initflags,&ep,0);
if (*ep == ',') {
owninitflags= ep+1;
- if (!consistsof(owninitflags,"ps")) {
- fputs("unknown owninitflag\n",stderr);
- exit(4);
- }
+ if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
} else if (!*ep) {
owninitflags= "";
} else {
- fputs("bad <initflagsnum>[,<owninitflags>]\n",stderr);
- exit(4);
+ usageerr("bad <initflagsnum>[,<owninitflags>]");
}
if (argv[0] && argv[1] && argv[1][0] == ':') {
for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
types_a[ti]= strtoul(cp,&cp,10);
if ((ch= *cp)) {
- if (ch != ',') {
- fputs("usage: adnstest [-<initflagsnum>[,<owninitflags>]] [/<initstring>]\n"
- " [ :<typenum>,... ]\n"
- " [ [<queryflagsnum>[,<ownqueryflags>]/]<domain> ... ]\n"
- "initflags: p use poll(2) instead of select(2)\n"
- " s use adns_wait with specified query, instead of 0\n"
- "queryflags: a print status abbrevs instead of strings\n",
- stderr);
- exit(4);
- }
+ if (ch != ',') usageerr("unexpected char (not comma) in or between types");
cp++;
}
}
types= defaulttypes;
}
- if (argv[0] && argv[1]) fdomlist= (const char *const*)argv+1;
- else fdomlist= defaultargv;
+ if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
+ fdomlist= (const char *const*)argv+1;
for (qc=0; fdomlist[qc]; qc++);
for (tc=0; types[tc] != adns_r_none; tc++);
if (initstring) {
r= adns_init_strcfg(&ads,
- (adns_if_debug|adns_if_noautosys)^initflagsnum,
+ (adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
+ ^initflagsnum,
stdout,initstring);
} else {
r= adns_init(&ads,
}
if (r) failure_errno("init",r);
- npollfdsavail= 0;
- pollfds= 0;
-
for (qi=0; qi<qc; qi++) {
fdom_split(fdomlist[qi],&domain,&qflags,ownflags,sizeof(ownflags));
- if (!consistsof(ownflags,"a")) {
- fputs("unknown ownqueryflag\n",stderr);
- exit(4);
- }
+ if (!consistsof(ownflags,"a")) usageerr("unknown ownqueryflag");
for (ti=0; ti<tc; ti++) {
mc= &mcs[qi*tc+ti];
mc->doneyet= 0;
fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]);
r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
- if (r == adns_s_unknownrrtype) {
+ if (r == ENOSYS) {
fprintf(stdout," not implemented\n");
mc->qu= 0;
mc->doneyet= 1;
}
if (strchr(owninitflags,'p')) {
- for (;;) {
- r= adns_check(ads,&qu,&ans,&mcr);
- if (r != EWOULDBLOCK) break;
- for (;;) {
- npollfds= npollfdsavail;
- timeout= -1;
- r= adns_beforepoll(ads, pollfds, &npollfds, &timeout, 0);
- if (r != ERANGE) break;
- pollfds= realloc(pollfds,sizeof(*pollfds)*npollfds);
- if (!pollfds) failure_errno("realloc pollfds",errno);
- npollfdsavail= npollfds;
- }
- if (r) failure_errno("beforepoll",r);
- r= poll(pollfds,npollfds,timeout);
- if (r == -1) failure_errno("poll",errno);
- adns_afterpoll(ads,pollfds, r?npollfds:0, 0);
- }
+ r= adns_wait_poll(ads,&qu,&ans,&mcr);
} else {
r= adns_wait(ads,&qu,&ans,&mcr);
}
if (ans->nrrs) {
assert(!ri);
for (i=0; i<ans->nrrs; i++) {
- r= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
- if (r) failure_status("info",r);
+ ri= adns_rr_info(ans->type, 0,0,0, ans->rrs.bytes + i*len, &show);
+ if (ri) failure_status("info",ri);
fprintf(stdout," %s\n",show);
free(show);
}