[src/trunk]: src/share/examples/rump/ulptprint Add an example to show how to ...

[pooka <pooka%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2fea1688506f
branches:  trunk
changeset: 750080:2fea1688506f
user:      pooka <pooka%NetBSD.org@localhost>
date:      Tue Dec 15 16:01:50 2009 +0000

description:
Add an example to show how to print with a rump ulpt driver.

diffstat:

 share/examples/rump/ulptprint/Makefile    |  14 ++++
 share/examples/rump/ulptprint/ulptprint.c |  90 +++++++++++++++++++++++++++++++
 2 files changed, 104 insertions(+), 0 deletions(-)

diffs (112 lines):

diff -r 098c404da1d0 -r 2fea1688506f share/examples/rump/ulptprint/Makefile
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/share/examples/rump/ulptprint/Makefile    Tue Dec 15 16:01:50 2009 +0000
@@ -0,0 +1,14 @@
+#      $NetBSD: Makefile,v 1.1 2009/12/15 16:01:50 pooka Exp $
+#
+
+PROG=  ulptprint
+
+LDADD+=        -lrumpvfs -lrumpdev_usb -lrumpdev_usbhc -lrumpdev_ulpt -lrumpdev
+LDADD+=        -lrump
+LDADD+=        -lrumpuser -lpthread
+
+DBG=   -g
+NOMAN= 
+WARNS= 4
+
+.include <bsd.prog.mk>
diff -r 098c404da1d0 -r 2fea1688506f share/examples/rump/ulptprint/ulptprint.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/share/examples/rump/ulptprint/ulptprint.c Tue Dec 15 16:01:50 2009 +0000
@@ -0,0 +1,90 @@
+/*     $NetBSD: ulptprint.c,v 1.1 2009/12/15 16:01:50 pooka Exp $      */
+
+/*
+ * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/types.h>
+#include <sys/dirent.h>
+#include <sys/mount.h>
+
+#include <rump/rump.h>
+#include <rump/rump_syscalls.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/*
+ * Proof-of-concept program:
+ *
+ * Prints given (postscript) file by "catting" into the printer.
+ */
+
+int
+main(int argc, char *argv[])
+{
+       char buf[8192];
+       ssize_t n;
+       int probeonly = 0;
+       int fd_src, fd_dst;
+
+       if (argc != 2)
+               errx(1, "need 2 args");
+
+       if (strcmp(argv[1], "probe") == 0)
+               probeonly = 1;
+
+       if (probeonly)
+               rump_boot_sethowto(RUMP_AB_VERBOSE);
+       rump_init();
+       if (probeonly)
+               exit(0);
+
+       fd_dst = rump_sys_open("/dev/ulpt0", O_RDWR);
+       if (fd_dst == -1)
+               err(1, "printer open");
+
+       fd_src = open(argv[1], O_RDONLY);
+       if (fd_src == -1)
+               err(1, "open source");
+
+       for (;;) {
+               n = read(fd_src, buf, sizeof(buf));
+               if (n == 0)
+                       break;
+               if (n == -1)
+                       err(1, "read");
+
+               if (rump_sys_write(fd_dst, buf, n) != n)
+                       err(1, "write to printer");
+       }
+       rump_sys_close(fd_dst);
+
+       printf("done\n");
+}