bitkeeper revision 1.359 (3f1668d45SYPQy-7cLNFlIKxyY1X8w)

add mkdevnodes and read_console_udp to tools/misc

diff --git a/.rootkeys b/.rootkeys
index 6f2251a2127856089f13bdc90128bb3c86e4b0e0..d663280b4b44e2d67cb7f069aa66b37172658acc 100644 (file)
--- a/.rootkeys
+++ b/.rootkeys
@@ -140,6 +140,8 @@
 3eb781fd7211MZsLxJSiuy7W4KnJXg tools/internal/xi_vifinit
 3f13d81eQ9Vz-h-6RDGFkNR9CRP95g tools/misc/enable_nat
 3f13d81e6Z6806ihYYUw8GVKNkYnuw tools/misc/enable_nat.README
+3f1668d4-FUY6Enc7MB3GcwUtfJ5HA tools/misc/mkdevnodes
+3f1668d4F29Jsw0aC0bJEIkOBiagiQ tools/misc/read_console_udp.c
 3ddb79bcbOVHh38VJzc97-JEGD4dJQ xen/Makefile
 3ddb79bcCa2VbsMp7mWKlhgwLQUQGA xen/README
 3ddb79bcWnTwYsQRWl_PaneJfa6p0w xen/Rules.mk

diff --git a/tools/misc/mkdevnodes b/tools/misc/mkdevnodes
new file mode 100755 (executable)
index 0000000..c29208f
--- /dev/null
+++ b/tools/misc/mkdevnodes
@@ -0,0 +1,21 @@
+#! /bin/bash
+
+BASE=${1:?"base directory missing (eg. /dev)"}
+
+rm -f ${BASE}/xhd[abcdefghijklmnop]*
+rm -f ${BASE}/xsd[abcdefghijklmnop]*
+rm -f ${BASE}/xvd[abcdefghijklmnop]*
+
+# XLVIRT is 16 devices of 15 partitions
+
+LETTERS="a b c d e f g h i j k l m n o p"
+PARTITIONS="1 2 3 4 5 6 7 8 9 10 11 12 13 14 15"
+
+j=0
+for l in ${LETTERS}; do
+    mknod ${BASE}/xvd${l} b 125 ${j}
+    for i in ${PARTITIONS}; do
+        mknod ${BASE}/xvd${l}${i} b 125 $(($i+$j))
+    done
+    j=$(($j+16))
+done

diff --git a/tools/misc/read_console_udp.c b/tools/misc/read_console_udp.c
new file mode 100644 (file)
index 0000000..632b01a
--- /dev/null
+++ b/tools/misc/read_console_udp.c
@@ -0,0 +1,53 @@
+/******************************************************************************
+ * Test program for reading console lines from DOM0 port 666.
+ */
+
+#include <arpa/inet.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int main(void)
+{
+    unsigned char buf[208], abuf[32];
+    struct sockaddr_in addr, from;
+    int fromlen = sizeof(from);
+    int len, fd = socket(PF_INET, SOCK_DGRAM, 0);
+    
+    if ( fd < 0 )
+    {
+        fprintf(stderr, "could not open datagram socket\n");
+        return -1;
+    }
+
+    memset(&addr, 0, sizeof(addr));
+    addr.sin_addr.s_addr = htonl(0xa9fe0100); /* 169.254.1.0 */
+    addr.sin_port = htons(666);
+    addr.sin_family = AF_INET;
+    if ( bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0 )
+    {
+        fprintf(stderr, "could not bind to local address and port\n");
+        return -1;
+    }
+
+    while ( (len = recvfrom(fd, buf, sizeof(buf), 0, 
+                            (struct sockaddr *)&from, &fromlen)) 
+            >= 0 )
+    {
+        printf("%d-byte message from %s:%d --\n", len,
+               inet_ntop(AF_INET, &from.sin_addr, abuf, sizeof(abuf)),
+               ntohs(from.sin_port));
+
+        /* For sanity, clean up the string's tail. */
+        if ( buf[len-1] != '\n' ) { buf[len] = '\n'; len++; }
+        buf[len] = '\0';
+
+        printf("%s", buf);
+
+        fromlen = sizeof(from);
+    }
+
+    return 0;
+}