bitkeeper revision 1.1040.1.1 (40eee3a1eT0YAFxR2Vicy8vFSyHwSg)

Support for Xen console ring output.

tools/python/xen/xend/XendClient.py

@@ -79,6 +79,9 @@ def vneturl(location, root, id=''):
 def eventurl(location, root, id=''):
     return urljoin(location, root, 'event/', id)
 
+def dmesgurl(location, root, id=''):
+    return urljoin(location, root, 'dmesg/', id)
+
 def xend_request(url, method, data=None):
     urlinfo = urlparse.urlparse(url)
     (uproto, ulocation, upath, uparam, uquery, ufrag) = urlinfo
@@ -160,6 +163,9 @@ class Xend:
     def eventurl(self, id=''):
         return eventurl(self.location, self.root, id)
 
+    def dmesgurl(self, id=''):
+        return dmesgurl(self.location, self.root, id)
+
     def xend(self):
         return xend_get(urljoin(self.location, self.root))
 
@@ -281,6 +287,9 @@ class Xend:
     def xend_event_inject(self, sxpr):
         val = xend_call(self.eventurl(),
                         {'op': 'inject', 'event': fileof(sxpr) })
+
+    def xend_dmesg(self):
+        return xend_get(self.dmesgurl())
     
 
 def main(argv):

tools/python/xen/xend/XendDmesg.py

@@ -0,0 +1,24 @@
+# Copyright (C) 2004 Mike Wray <mike.wray@hp.com>
+
+"""Get dmesg output for this node.  Very basic right now!
+"""
+
+import os
+import xen.lowlevel.xc
+
+class XendDmesg:
+    def __init__(self):
+        self.xc = xen.lowlevel.xc.new()
+
+    def info(self):
+        return [ self.xc.readconsolering() ]
+        
+
+def instance():
+    global inst
+    try:
+        inst
+    except:
+        inst = XendDmesg()
+    return inst
+

tools/python/xen/xend/server/SrvDmesg.py

@@ -0,0 +1,29 @@
+# Copyright (C) 2004 Mike Wray <mike.wray@hp.com>
+
+import os
+from SrvDir import SrvDir
+from xen.xend import sxp
+from xen.xend import XendDmesg
+
+class SrvDmesg(SrvDir):
+    """Xen Dmesg output.
+    """
+
+    def __init__(self):
+        SrvDir.__init__(self)
+        self.xd = XendDmesg.instance()
+
+    def render_GET(self, req):
+        if self.use_sxp(req):
+            req.setHeader("Content-Type", sxp.mime_type)
+            sxp.show(['dmesg'] + self.info(), out=req)
+        else:
+            req.write('<html><head></head><body>')
+            req.write('<pre>')
+            self.print_path(req)
+            req.write(self.info()[0])
+            req.write('</pre></body></html>')
+        return ''
+            
+    def info(self):
+        return self.xd.info()

tools/python/xen/xend/server/SrvRoot.py

@@ -15,6 +15,7 @@ class SrvRoot(SrvDir):
     subdirs = [
         ('node',    'SrvNode'       ),
         ('domain',  'SrvDomainDir'  ),
+        ('dmesg',   'SrvDmesg'      ),
         ('console', 'SrvConsoleDir' ),
         ('event',   'SrvEventDir'   ),
         ('device',  'SrvDeviceDir'  ),

tools/python/xen/xm/main.py

@@ -444,5 +444,15 @@ class ProgConsole(Prog):
 
 xm.prog(ProgConsole)
 
+class ProgDmesg(Prog):
+    group = 'host'
+    name  =  "dmesg"
+    info  = """Print Xen boot output."""
+
+    def main(self, args):
+        print server.xend_dmesg()[1]
+
+xm.prog(ProgDmesg)
+
 def main(args):
     xm.main(args)