Initial commit

node_modules/jayson/lib/server/tcp.js

@@ -0,0 +1,72 @@
+'use strict';
+
+const net = require('net');
+const utils = require('../utils');
+
+/**
+ *  Constructor for a Jayson TCP server
+ *  @class ServerTcp
+ *  @extends require('net').Server
+ *  @param {Server} server Server instance
+ *  @param {Object} [options] Options for this instance
+ *  @return {ServerTcp}
+ */
+const ServerTcp = function(server, options) {
+  if(!(this instanceof ServerTcp)) {
+    return new ServerTcp(server, options);
+  }
+
+  this.options = utils.merge(server.options, options || {});
+
+  net.Server.call(this, getTcpListener(this, server));
+};
+require('util').inherits(ServerTcp, net.Server);
+
+module.exports = ServerTcp;
+
+/**
+ *  Returns a TCP connection listener bound to the server in the argument.
+ *  @param {Server} server Instance of JaysonServer
+ *  @param {net.Server} self Instance of net.Server
+ *  @return {Function}
+ *  @private
+ *  @ignore
+ */
+function getTcpListener(self, server) {
+  return function(conn) {
+    const options = self.options || {};
+
+    utils.parseStream(conn, options, function(err, request) {
+      if(err) {
+        return respondError(err);
+      }
+
+      server.call(request, function(error, success) {
+        const response = error || success;
+        if(response) {
+          utils.JSON.stringify(response, options, function(err, body) {
+            if(err) {
+              return respondError(err);
+            }
+            conn.write(body);
+          });
+        } else {
+          // no response received at all, must be a notification
+        }
+      });
+    });
+
+    // ends the request with an error code
+    function respondError(err) {
+      const error = server.error(-32700, null, String(err));
+      const response = utils.response(error, undefined, undefined, self.options.version);
+      utils.JSON.stringify(response, options, function(err, body) {
+        if(err) {
+          body = ''; // we tried our best.
+        }
+        conn.end(body);
+      });
+    }
+
+  };
+}