X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=blobdiff_plain;f=client%2Fadnstest.c;h=c4dd6b120709b28fa3bc15f0a57aea722f2673cc;hp=ea9ed2a35bd1e7c98ca41fa164d281f0356b1a3d;hb=33ae0dddfdde95bedb160eae8059ba1a271cf7ea;hpb=a719a4bedec2bc512b7f95f7446e02f6662ebbc7

diff --git a/client/adnstest.c b/client/adnstest.c
index ea9ed2a..c4dd6b1 100644
--- a/client/adnstest.c
+++ b/client/adnstest.c
@@ -1,5 +1,5 @@
 /*
- * dtest.c
+ * adnstest.c
  * - simple test program, not part of the library
  */
 /*
@@ -21,22 +21,62 @@
  */
 
 #include <stdio.h>
+#include <sys/time.h>
 #include <unistd.h>
 #include <assert.h>
 #include <stdlib.h>
+#include <string.h>
+#include <errno.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(const char *what, adns_status st) {
+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 const char *defaultargv[]= { "ns.chiark.greenend.org.uk", 0 };
+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 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,
@@ -66,70 +106,135 @@ static void dumptype(adns_status ri, const char *rrtn, const char *fmtn) {
 	  ri ? " " : "", ri ? adns_strerror(ri) : "");
 }
 
+static void fdom_split(const char *fdom, const char **dom_r, int *qf_r,
+		       char *ownflags, int ownflags_l) {
+  int qf;
+  char *ep;
+
+  qf= strtoul(fdom,&ep,0);
+  if (*ep == ',' && strchr(ep,'/')) {
+    ep++;
+    while (*ep != '/') {
+      if (--ownflags_l <= 0) { fputs("too many flags\n",stderr); exit(3); }
+      *ownflags++= *ep++;
+    }
+  }
+  if (*ep != '/') { *dom_r= fdom; *qf_r= 0; }
+  else { *dom_r= ep+1; *qf_r= qf; }
+  *ownflags= 0;
+}
+
+static int consistsof(const char *string, const char *accept) {
+  return strspn(string,accept) == strlen(string);
+}
+
 int main(int argc, char *const *argv) {
+  struct myctx {
+    adns_query qu;
+    int doneyet, found;
+    const char *fdom;
+  };
+  
   adns_state ads;
-  adns_query *qus, qu;
+  adns_query qu;
+  struct myctx *mcs, *mc, *mcw;
+  void *mcr;
   adns_answer *ans;
   const char *initstring, *rrtn, *fmtn;
-  const char *const *domlist;
+  const char *const *fdomlist, *domain;
   char *show, *cp;
-  int len, i, qc, qi, tc, ti, ch;
-  adns_status r, ri;
+  int len, i, qc, qi, tc, ti, ch, qflags, initflagsnum, npollfds, npollfdsavail, timeout;
+  struct pollfd *pollfds;
+  adns_status ri;
+  int r;
   const adns_rrtype *types;
+  struct timeval now;
   adns_rrtype *types_a;
+  char ownflags[10];
+  char *ep;
+  const char *initflags, *owninitflags;
 
+  if (argv[0] && argv[1] && argv[1][0] == '-') {
+    initflags= argv[1]+1;
+    argv++;
+  } else {
+    initflags= "";
+  }
   if (argv[0] && argv[1] && argv[1][0] == '/') {
     initstring= argv[1]+1;
     argv++;
   } else {
     initstring= 0;
   }
+
+  initflagsnum= strtoul(initflags,&ep,0);
+  if (*ep == ',') {
+    owninitflags= ep+1;
+    if (!consistsof(owninitflags,"ps")) usageerr("unknown owninitflag");
+  } else if (!*ep) {
+    owninitflags= "";
+  } else {
+    usageerr("bad <initflagsnum>[,<owninitflags>]");
+  }
   
   if (argv[0] && argv[1] && argv[1][0] == ':') {
     for (cp= argv[1]+1, tc=1; (ch= *cp); cp++)
       if (ch==',') tc++;
-    types_a= malloc(sizeof(*types_a)*tc);
+    types_a= malloc(sizeof(*types_a)*(tc+1));
     if (!types_a) { perror("malloc types"); exit(3); }
     for (cp= argv[1]+1, ti=0; ti<tc; ti++) {
       types_a[ti]= strtoul(cp,&cp,10);
       if ((ch= *cp)) {
-	if (ch != ',') {
-	  fputs("usage: dtest [/<initstring>] [:<typenum>,...] [<domain> ...]\n",stderr);
-	  exit(4);
-	}
+	if (ch != ',') usageerr("unexpected char (not comma) in or between types");
 	cp++;
       }
     }
+    *cp++= adns_r_none;
     types= types_a;
     argv++;
   } else {
     types= defaulttypes;
   }
   
-  if (argv[0] && argv[1]) domlist= (const char *const*)argv+1;
-  else domlist= defaultargv;
+  if (!(argv[0] && argv[1])) usageerr("no query domains supplied");
+  fdomlist= (const char *const*)argv+1;
 
-  for (qc=0; qc[domlist]; qc++);
+  for (qc=0; fdomlist[qc]; qc++);
   for (tc=0; types[tc] != adns_r_none; tc++);
-  qus= malloc(sizeof(qus)*qc*tc);
-  if (!qus) { perror("malloc qus"); exit(3); }
+  mcs= malloc(sizeof(*mcs)*qc*tc);
+  if (!mcs) { perror("malloc mcs"); exit(3); }
 
   if (initstring) {
-    r= adns_init_strcfg(&ads,adns_if_debug|adns_if_noautosys,stdout,initstring);
+    r= adns_init_strcfg(&ads,
+			(adns_if_debug|adns_if_noautosys|adns_if_checkc_freq)
+			^initflagsnum,
+			stdout,initstring);
   } else {
-    r= adns_init(&ads,adns_if_debug|adns_if_noautosys,0);
+    r= adns_init(&ads,
+		 (adns_if_debug|adns_if_noautosys)^initflagsnum,
+		 0);
   }
-  if (r) failure("init",r);
+  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")) usageerr("unknown ownqueryflag");
     for (ti=0; ti<tc; ti++) {
-      fprintf(stdout,"%s type %d",domlist[qi],types[ti]);
-      r= adns_submit(ads,domlist[qi],types[ti],0,0,&qus[qi*tc+ti]);
-      if (r == adns_s_unknownrrtype) {
+      mc= &mcs[qi*tc+ti];
+      mc->doneyet= 0;
+      mc->fdom= fdomlist[qi];
+
+      fprintf(stdout,"%s flags %d type %d",domain,qflags,types[ti]);
+      r= adns_submit(ads,domain,types[ti],qflags,mc,&mc->qu);
+      if (r == ENOSYS) {
 	fprintf(stdout," not implemented\n");
-	qus[qi*tc+ti]= 0;
+	mc->qu= 0;
+	mc->doneyet= 1;
       } else if (r) {
-	failure("submit",r);
+	failure_errno("submit",r);
       } else {
 	ri= adns_rr_info(types[ti], &rrtn,&fmtn,0, 0,0);
 	putc(' ',stdout);
@@ -139,33 +244,99 @@ int main(int argc, char *const *argv) {
     }
   }
 
-  for (qi=0; qi<qc; qi++) {
-    for (ti=0; ti<tc; ti++) {
-      qu= qus[qi*tc+ti];
-      if (!qu) continue;
-      r= adns_wait(ads,&qu,&ans,0);
-      if (r) failure("wait",r);
-
-      ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
-      fprintf(stdout, "%s type ", domlist[qi]);
-      dumptype(ri,rrtn,fmtn);
-      fprintf(stdout, ": %s; nrrs=%d; cname=%s\n",
-	      adns_strerror(ans->status),
-	      ans->nrrs, ans->cname ? ans->cname : "$");
-      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("info",r);
-	  fprintf(stdout," %s\n",show);
-	  free(show);
+  for (;;) {
+    for (qi=0; qi<qc; qi++) {
+      for (ti=0; ti<tc; ti++) {
+	mc= &mcs[qi*tc+ti];
+	mc->found= 0;
+      }
+    }
+    for (adns_forallqueries_begin(ads);
+	 (qu= adns_forallqueries_next(ads,&mcr));
+	 ) {
+      mc= mcr;
+      assert(qu == mc->qu);
+      assert(!mc->doneyet);
+      mc->found= 1;
+    }
+    mcw= 0;
+    for (qi=0; qi<qc; qi++) {
+      for (ti=0; ti<tc; ti++) {
+	mc= &mcs[qi*tc+ti];
+	if (mc->doneyet) continue;
+	assert(mc->found);
+	if (!mcw) mcw= mc;
+      }
+    }
+    if (!mcw) break;
+
+    if (strchr(owninitflags,'s')) {
+      qu= mcw->qu;
+      mc= mcw;
+    } else {
+      qu= 0;
+      mc= 0;
+    }
+
+    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);
       }
-      free(ans);
+    } else {
+      r= adns_wait(ads,&qu,&ans,&mcr);
     }
+    if (r) failure_errno("wait/check",r);
+    
+    if (mc) assert(mcr==mc);
+    else mc= mcr;
+    assert(qu==mc->qu);
+    assert(!mc->doneyet);
+    
+    fdom_split(mc->fdom,&domain,&qflags,ownflags,sizeof(ownflags));
+
+    if (gettimeofday(&now,0)) { perror("gettimeofday"); exit(3); }
+      
+    ri= adns_rr_info(ans->type, &rrtn,&fmtn,&len, 0,0);
+    fprintf(stdout, "%s flags %d type ",domain,qflags);
+    dumptype(ri,rrtn,fmtn);
+    fprintf(stdout, "%s%s: %s; nrrs=%d; cname=%s; owner=%s; ttl=%ld\n",
+	    ownflags[0] ? " ownflags=" : "", ownflags,
+	    strchr(ownflags,'a')
+	    ? adns_errabbrev(ans->status)
+	    : adns_strerror(ans->status),
+	    ans->nrrs,
+	    ans->cname ? ans->cname : "$",
+	    ans->owner ? ans->owner : "$",
+	    (long)ans->expires - (long)now.tv_sec);
+    if (ans->nrrs) {
+      assert(!ri);
+      for (i=0; i<ans->nrrs; i++) {
+	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);
+      }
+    }
+    free(ans);
+
+    mc->doneyet= 1;
   }
 
-  free(qus);
+  free(mcs);
   adns_finish(ads);
   
   exit(0);