JSON RPC Based new architecture and corresponding changes

1 files changed, 45 insertions, 0 deletions

diff --git a/silpa/jsonrpc/cgiwrapper.py b/silpa/jsonrpc/cgiwrapper.py
new file mode 100644
index 0000000..a5bc2b0
--- /dev/null
+++ b/silpa/jsonrpc/cgiwrapper.py
@@ -0,0 +1,45 @@
+import sys, os
+from jsonrpc import ServiceHandler
+
+class CGIServiceHandler(ServiceHandler):
+    def __init__(self, service):
+        if service == None:
+            import __main__ as service
+
+        ServiceHandler.__init__(self, service)
+
+    def handleRequest(self, fin=None, fout=None, env=None):
+        if fin==None:
+            fin = sys.stdin
+        if fout==None:
+            fout = sys.stdout
+        if env == None:
+            env = os.environ
+        
+        try:
+            contLen=int(env['CONTENT_LENGTH'])
+            data = fin.read(contLen)
+        except Exception, e:
+            data = ""
+
+        resultData = ServiceHandler.handleRequest(self, data)
+        
+        response = "Content-Type: text/plain\n"
+        response += "Content-Length: %d\n\n" % len(resultData)
+        response += resultData
+        
+        #on windows all \n are converted to \r\n if stdout is a terminal and  is not set to binary mode :(
+        #this will then cause an incorrect Content-length.
+        #I have only experienced this problem with apache on Win so far.
+        if sys.platform == "win32":
+            try:
+                import  msvcrt
+                msvcrt.setmode(fout.fileno(), os.O_BINARY)
+            except:
+                pass
+        #put out the response
+        fout.write(response)
+        fout.flush()
+
+def handleCGI(service=None, fin=None, fout=None, env=None):
+    CGIServiceHandler(service).handleRequest(fin, fout, env)
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