Initial commit

node_modules/jayson/lib/client/tcp.js

@@ -0,0 +1,90 @@
+'use strict';
+
+const net = require('net');
+const utils = require('../utils');
+const Client = require('../client');
+
+/**
+ *  Constructor for a Jayson TCP Client
+ *  @class ClientTcp
+ *  @constructor
+ *  @extends Client
+ *  @param {Object|String} [options] Object goes into options for net.connect, String goes into options.path. String option argument is NOT recommended.
+ *  @return {ClientTcp}
+ */
+const ClientTcp = function(options) {
+  if(typeof(options) === 'string') {
+    options = {path: options};
+  }
+
+  if(!(this instanceof ClientTcp)) {
+    return new ClientTcp(options);
+  }
+  Client.call(this, options);
+
+  const defaults = utils.merge(this.options, {
+    encoding: 'utf8'
+  });
+
+  this.options = utils.merge(defaults, options || {});
+};
+require('util').inherits(ClientTcp, Client);
+
+module.exports = ClientTcp;
+
+ClientTcp.prototype._request = function(request, callback) {
+  const self = this;
+
+  // copies options so object can be modified in this context
+  const options = utils.merge({}, this.options);
+  const delimiter = options.delimiter || '\n';
+
+  utils.JSON.stringify(request, options, function(err, body) {
+    if(err) {
+      return callback(err);
+    }
+
+    let handled = false;
+
+    const conn = net.connect(options, function() {
+
+      conn.setEncoding(options.encoding);
+
+      // wont get anything for notifications, just end here
+      if(utils.Request.isNotification(request)) {
+
+        handled = true;
+        conn.end(body + delimiter);
+        callback();
+
+      } else {
+
+        utils.parseStream(conn, options, function(err, response) {
+          handled = true;
+          conn.end();
+          if(err) {
+            return callback(err);
+          }
+          callback(null, response);
+        });
+
+        conn.write(body + delimiter);
+
+      }
+
+    });
+
+    self.emit('tcp socket', conn);
+
+    conn.on('error', function(err) {
+      self.emit('tcp error', err);
+      callback(err);
+    });
+
+    conn.on('end', function() {
+      if(!handled) {
+        callback();
+      }
+    });
+  });
+};