merge of features from hosted branch (#7)

major merge of features from the hosted branch that was created temporarily during the initial launch of jambonz.org

lib/models/smpp.js

@@ -0,0 +1,55 @@
+const Model = require('./model');
+const {getMysqlConnection} = require('../db');
+
+class Smpp extends Model {
+  constructor() {
+    super();
+  }
+
+  /**
+  * list all SBCs either for a given service provider, or those not associated with a
+  * service provider (i.e. community SBCs)
+  */
+  static retrieveAll(service_provider_sid) {
+    const sql = service_provider_sid ?
+      'SELECT * from smpp_addresses WHERE service_provider_sid = ?' :
+      'SELECT * from smpp_addresses WHERE service_provider_sid IS NULL';
+    const args = service_provider_sid ? [service_provider_sid] : [];
+
+    return new Promise((resolve, reject) => {
+      getMysqlConnection((err, conn) => {
+        if (err) return reject(err);
+        conn.query(sql, args, (err, results) => {
+          conn.release();
+          if (err) return reject(err);
+          resolve(results);
+        });
+      });
+    });
+  }
+
+}
+
+Smpp.table = 'smpp_addresses';
+Smpp.fields = [
+  {
+    name: 'smpp_address_sid',
+    type: 'string',
+    primaryKey: true
+  },
+  {
+    name: 'ipv4',
+    type: 'string',
+    required: true
+  },
+  {
+    name: 'port',
+    type: 'number'
+  },
+  {
+    name: 'service_provider_sid',
+    type: 'string'
+  }
+];
+
+module.exports = Smpp;