Add new tools for debuging JSON-RPC.

bin/json_server.js

@@ -0,0 +1,68 @@
+#!/usr/bin/node
+//
+// This is a tool to listen for JSON-RPC requests at an IP and port.
+//
+// This will report the request to console and echo back the request as the response.
+//
+
+var http      = require("http");
+
+var program   = process.argv[1];
+
+if (4 !== process.argv.length) {
+  console.log("Usage: %s <ip> <port>", program);
+}
+else {
+  var ip      = process.argv[2];
+  var port    = process.argv[3];
+
+  var server  = http.createServer(function (req, res) {
+      console.log("CONNECT");
+      var input = "";
+
+      req.setEncoding();
+
+      req.on('data', function (buffer) {
+          // console.log("DATA: %s", buffer);
+          input = input + buffer;
+        });
+
+      req.on('end', function () {
+          // console.log("END");
+
+          var json_req;
+
+          console.log("URL: %s", req.url);
+          console.log("HEADERS: %s", JSON.stringify(req.headers, undefined, 2));
+
+          try {
+            json_req = JSON.parse(input);
+
+            console.log("REQ: %s", JSON.stringify(json_req, undefined, 2));
+          }
+          catch (e) {
+            console.log("BAD JSON: %s", e.message);
+
+            json_req = { error : e.message }
+          }
+
+          res.statusCode = 200;
+          res.end(JSON.stringify({
+              jsonrpc: "2.0",
+              result: { request : json_req },
+              id: req.id
+            }));
+        });
+
+      req.on('close', function () {
+          console.log("CLOSE");
+        });
+    });
+
+  server.listen(port, ip, undefined,
+    function () {
+      console.log("Listening at: %s:%s", ip, port);
+    });
+}
+
+// vim:sw=2:sts=2:ts=8:et