Merge CUPS 1.4svn-r7493.

[thirdparty/cups.git] / backend / testbackend.c

diff --git a/backend/testbackend.c b/backend/testbackend.c
index 4835ac6f67d92bd16e61af62740bf085e77241bf..4868beee1f791d42399e883b5a1d5bd3a45176cf 100644 (file)
--- a/backend/testbackend.c
+++ b/backend/testbackend.c
@@ -55,6 +55,7 @@ main(int  argc,                               /* I - Number of command-line args */
      char *argv[])                     /* I - Command-line arguments */
 {
   int          first_arg,              /* First argument for backend */
+               do_query = 0,           /* Do PostScript query? */
                do_side_tests = 0,      /* Test side-channel ops? */
                do_trickle = 0;         /* Trickle data to backend */
   char         scheme[255],            /* Scheme in URI == backend */
@@ -74,7 +75,9 @@ main(int  argc,                               /* I - Number of command-line args */
   for (first_arg = 1;
        argv[first_arg] && argv[first_arg][0] == '-';
        first_arg ++)
-    if (!strcmp(argv[first_arg], "-s"))
+    if (!strcmp(argv[first_arg], "-ps"))
+      do_query = 1;
+    else if (!strcmp(argv[first_arg], "-s"))
       do_side_tests = 1;
     else if (!strcmp(argv[first_arg], "-t"))
       do_trickle = 1;
@@ -130,27 +133,97 @@ main(int  argc,                           /* I - Number of command-line args */
   * Execute the trickle process as needed...
   */
 
-  if (do_trickle)
+  if (do_trickle || do_query)
   {
     pipe(data_fds);
 
     if ((pid = fork()) == 0)
     {
      /*
-      * Trickle child comes here...
+      * Trickle/query child comes here...  Rearrange file descriptors so that
+      * FD 
       */
 
-      int i;                           /* Looping var */
+      close(0);
+      open("/dev/null", O_RDONLY);
 
+      close(1);
+      dup(data_fds[1]);
       close(data_fds[0]);
-      for (i = 0; i < 10; i ++)
+      close(data_fds[1]);
+
+      close(3);
+      dup(back_fds[0]);
+      close(back_fds[0]);
+      close(back_fds[1]);
+
+      close(4);
+      dup(side_fds[0]);
+      close(side_fds[0]);
+      close(side_fds[1]);
+
+      if (do_trickle)
+      {
+       /*
+       * Write 10 spaces, 1 per second...
+       */
+
+       int i;                          /* Looping var */
+
+       for (i = 0; i < 10; i ++)
+       {
+         write(1, " ", 1);
+         sleep(1);
+       }
+      }
+      else
       {
        /*
-        * Write 10 spaces, 1 per second...
+        * Do a simple PostScript query job to get the default page size.
        */
 
-        write(data_fds[1], " ", 1);
-       sleep(1);
+        char   buffer[1024];           /* Buffer for response data */
+       ssize_t bytes;                  /* Number of bytes of response data */
+        static const char *ps_query =  /* PostScript query file */
+               "%!\n"
+               "save\n"
+               "currentpagedevice /PageSize get aload pop\n"
+               "2 copy gt {exch} if\n"
+               "(Unknown)\n"
+               "19 dict\n"
+               "dup [612 792] (Letter) put\n"
+               "dup [612 1008] (Legal) put\n"
+               "dup [612 935] (w612h935) put\n"
+               "dup [522 756] (Executive) put\n"
+               "dup [595 842] (A4) put\n"
+               "dup [420 595] (A5) put\n"
+               "dup [499 709] (ISOB5) put\n"
+               "dup [516 728] (B5) put\n"
+               "dup [612 936] (w612h936) put\n"
+               "dup [284 419] (Postcard) put\n"
+               "dup [419.5 567] (DoublePostcard) put\n"
+               "dup [558 774] (w558h774) put\n"
+               "dup [553 765] (w553h765) put\n"
+               "dup [522 737] (w522h737) put\n"
+               "dup [499 709] (EnvISOB5) put\n"
+               "dup [297 684] (Env10) put\n"
+               "dup [459 649] (EnvC5) put\n"
+               "dup [312 624] (EnvDL) put\n"
+               "dup [279 540] (EnvMonarch) put\n"
+               "{ exch aload pop 4 index sub abs 5 le exch\n"
+               "  5 index sub abs 5 le and\n"
+               "  {exch pop exit} {pop} ifelse\n"
+               "} bind forall\n"
+               "= flush pop pop\n"
+               "restore\n"
+               "\004";
+
+
+        write(1, ps_query, strlen(ps_query));
+       write(2, "DEBUG: START\n", 13);
+        while ((bytes = cupsBackChannelRead(buffer, sizeof(buffer), 30.0)) > 0)
+         write(2, buffer, bytes);
+       write(2, "\nDEBUG: END\n", 12);
       }
 
       exit(0);
@@ -174,7 +247,7 @@ main(int  argc,                             /* I - Number of command-line args */
     * Child comes here...
     */
 
-    if (do_trickle)
+    if (do_trickle || do_query)
     {
       close(0);
       dup(data_fds[0]);
@@ -207,7 +280,7 @@ main(int  argc,                             /* I - Number of command-line args */
   * Parent comes here, setup back and side channel file descriptors...
   */
 
-  if (do_trickle)
+  if (do_trickle || do_query)
   {
     close(data_fds[0]);
     close(data_fds[1]);
@@ -299,8 +372,8 @@ main(int  argc,                             /* I - Number of command-line args */
 static void
 usage(void)
 {
-  fputs("Usage: betest [-s] [-t] device-uri job-id user title copies options "
-       "[file]\n", stderr);
+  fputs("Usage: betest [-ps] [-s] [-t] device-uri job-id user title copies "
+        "options [file]\n", stderr);
   exit(1);
 }