From a6b206419a48302b2dad181121420d59a3fc7273 Mon Sep 17 00:00:00 2001
From: Stephen Wong <stephen.kf.wong@gmail.com>
Date: Fri, 5 Apr 2019 06:16:53 +0000
Subject: Clovisor ONS demo related fixes

Change-Id: I9449ee5f699a3cdf471dc8b405de650325ae09f6
Signed-off-by: Stephen Wong <stephen.kf.wong@gmail.com>
---
 .../clovisor/libclovisor/libproto/clovisor_http.go | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 clover/clovisor/libclovisor/libproto/clovisor_http.go

(limited to 'clover/clovisor/libclovisor/libproto/clovisor_http.go')

diff --git a/clover/clovisor/libclovisor/libproto/clovisor_http.go b/clover/clovisor/libclovisor/libproto/clovisor_http.go
new file mode 100644
index 0000000..6440d5a
--- /dev/null
+++ b/clover/clovisor/libclovisor/libproto/clovisor_http.go
@@ -0,0 +1,84 @@
+// Copyright (c) Authors of Clover
+//
+// All rights reserved. This program and the accompanying materials
+// are made available under the terms of the Apache License, Version 2.0
+// which accompanies this distribution, and is available at
+// http://www.apache.org/licenses/LICENSE-2.0
+
+package main
+
+import (
+    "bufio"
+    "bytes"
+    "fmt"
+    "io/ioutil"
+    "net/http"
+)
+
+type httpparser string
+
+func (p httpparser) Parse(session_key string,
+                          is_req bool,
+                          data []byte) ([]byte, map[string]string) {
+    map_val := make(map[string]string)
+    reader := bytes.NewReader(data)
+    buf := bufio.NewReader(reader)
+    if is_req == true {
+        req, err := http.ReadRequest(buf)
+        if err != nil {
+            fmt.Printf("Request error: ")
+            fmt.Println(err)
+            return nil, nil
+        } else if req == nil {
+            fmt.Println("request is nil")
+            return nil, nil
+        } else {
+            fmt.Printf("HTTP Request Method %s url %v proto %v\n",
+                       req.Method, req.URL, req.Proto)
+            map_val["reqmethod"] = req.Method
+            map_val["requrl"] = fmt.Sprintf("%v", req.URL)
+            map_val["reqproto"] = fmt.Sprintf("%v", req.Proto)
+            if user_agent := req.UserAgent(); len(user_agent) > 0 {
+                map_val["useragent"] = user_agent
+            }
+            if len(req.Host) > 0 {
+                map_val["host"] = req.Host
+            }
+            header := req.Header
+            if req_id := header.Get("X-Request-Id"); len(req_id) > 0 {
+                map_val["requestid"] = req_id
+            }
+            if envoy_dec := header.Get("X-Envoy-Decorator-Operation"); len(envoy_dec) > 0 {
+                map_val["envoydecorator"] = envoy_dec
+            }
+            if trace_id := header.Get("X-B3-Traceid"); len(trace_id) > 0 {
+                map_val["traceid"] = trace_id
+            }
+            body, err := ioutil.ReadAll(req.Body)
+            if err != nil {
+                fmt.Printf("Error reading HTTP Request body %v\n", err.Error())
+            }
+            return body, map_val
+        }
+    } else {
+        // response
+        resp, err := http.ReadResponse(buf, nil)
+        if err != nil {
+            fmt.Printf("Response error: ")
+            fmt.Println(err)
+            return nil, nil
+        }
+        fmt.Printf("HTTP Response Status %v code %v Proto %v\n",
+                    resp.Status, resp.StatusCode, resp.Proto)
+        map_val["respstatus"] = resp.Status
+        map_val["respstatuscode"] = fmt.Sprintf("%v", resp.StatusCode)
+        map_val["respproto"] = fmt.Sprintf("%v", resp.Proto)
+        body, err := ioutil.ReadAll(resp.Body)
+        if err != nil {
+            fmt.Printf("Error reading HTTP Request body %v\n", err.Error())
+        }
+        return body, map_val
+    }
+}
+
+var Parser httpparser
-- 
cgit 1.2.3-korg