gwAdvNet20 · wzli1214 · Mar 6, 2020 · Mar 9, 2020
diff --git a/gateway-flask/README.md b/gateway-flask/README.md
@@ -0,0 +1,50 @@
+## Stage 1
+
+### Step 1:
+
+Start the server
+
+```
+./server_osx 
+```
+
+### Step 2:
+Start the python app.
+
+```
+python3 ./restful.py
+```
+The Gatewway then will run on http://127.0.0.1:5000/
+
+
+### Step 3:
+
+Hit
+
+```
+curl localhost:5000
+```
+Result:
+
+```
+<html><body>I RESTed for 39 time units.</body></html>
+```
+
+---
+## Stage 2
+### Step 1 & 2:
+Do Step 1 and Step 2 like the steps in stage 1 mentioned above. 
+
+### Step 3:
+At the command line, hit 
+
+```
+curl -X POST localhost:5000/someEndPoint -d '{"numRequests": 3 }'
+```
+
+You can change the numRequests value.
+
+Result:
+```
+<html><body>I made 3 requests and it took 72 milliseconds.</body></html>
+```
diff --git a/gateway-flask/gateway.py b/gateway-flask/gateway.py
@@ -0,0 +1,22 @@
+## TO INSTALL FLASK
+ ## Optional: setup a virtual environment
+ # python3 -m venv venv
+ # . venv/bin/activate
+ ## Install Flask and the requests package
+ # pip install Flask
+ # pip install requests
+### TO RUN FLASK
+ # export FLASK_APP=gateway.py
+ # flask run
+
+
+from flask import Flask
+app = Flask(__name__)
+
+import requests
+
+@app.route('/')
+def hello_world():
+    req = requests.get("http://localhost:8080/request")
+    return 'Hello, World! Response was: ' \
+    	+ str(req.text)
diff --git a/gateway-flask/restful.py b/gateway-flask/restful.py
@@ -0,0 +1,44 @@
+#!flask/bin/python
+
+
+from flask import Flask
+import requests
+from flask import request
+import json
+
+app = Flask(__name__)
+
+def html(content):  # Also allows you to set your own <head></head> etc
+   return '<html><body>' + content + '</body></html>'
+
+@app.route('/')
+def singleReq():
+    req = requests.get("http://localhost:8080/request")
+
+    resTime = req.json()
+
+    return html('I RESTed for ' + str(resTime["data"]) + ' time units.' + '\n')
+
+@app.route('/someEndPoint', methods = ['POST'])
+def nRequest():
+    reqData = request.get_json(force=True)
+    nValue = reqData["numRequests"]
+
+    totalTime = 0
+
+    for i in range(nValue):
+        req = requests.get("http://localhost:8080/request")
+        resData = req.json()
+
+        totalTime += resData["data"]
+
+
+    return html('I made ' + str(nValue) + ' requests and it took ' + str(totalTime) + ' milliseconds.' + '\n') 
+
+
+
+
+
+
+if __name__ == '__main__':
+    app.run(debug=True)