From 7d04d05d11dd293ac4a29d450d8bd9159cb5680e Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sun, 16 Oct 2016 17:38:02 +0200
Subject: introduced statsworker

---
 src/daq/s5proxy/sample.json           |  7 +++-
 src/daq/s5proxy/src/s5proxy/config.go |  4 +-
 src/daq/s5proxy/src/s5proxy/stats.go  | 74 ++++++++++++++++++++++++++---------
 3 files changed, 65 insertions(+), 20 deletions(-)

(limited to 'src/daq/s5proxy')

diff --git a/src/daq/s5proxy/sample.json b/src/daq/s5proxy/sample.json
index b501382..06a3604 100644
--- a/src/daq/s5proxy/sample.json
+++ b/src/daq/s5proxy/sample.json
@@ -14,6 +14,11 @@
         { "op": "time", "header": "Expires", "value": "-1s" }
     ],
     "sfive": {
-        "socket": "/var/run/sfive/pipegram"
+        "socket": "/var/run/sfive/pipegram",
+        "format" : "/${content-id}-${format}-${quality}",
+        "streamer": [
+            "av-dt,av-en/flash,webm/high,medium,low,mini",
+            "audio-orig/mp3,ogg/high,medium,low"
+        }
     }
 }
diff --git a/src/daq/s5proxy/src/s5proxy/config.go b/src/daq/s5proxy/src/s5proxy/config.go
index da7360e..5f8dd0a 100644
--- a/src/daq/s5proxy/src/s5proxy/config.go
+++ b/src/daq/s5proxy/src/s5proxy/config.go
@@ -93,7 +93,9 @@ type HeaderOperation struct {
 }
 
 type SFiveConf struct {
-	Sock string `json:"socket"`
+	Sock     string   `json:"socket"`
+	Format   string   `json:"format"`
+	Streamer []string `json:"streamer"`
 }
 
 type Config struct {
diff --git a/src/daq/s5proxy/src/s5proxy/stats.go b/src/daq/s5proxy/src/s5proxy/stats.go
index 1d12f74..e3499d1 100644
--- a/src/daq/s5proxy/src/s5proxy/stats.go
+++ b/src/daq/s5proxy/src/s5proxy/stats.go
@@ -33,15 +33,15 @@
 package main
 
 import (
-	"encoding/json"
 	"net"
+	"strings"
 	"time"
 )
 
 // TODO: this is basically a copy from src/hub....
 
-type StreamId struct {
-	ContentId string `json:"content-id"`
+type StreamID struct {
+	ContentID string `json:"content-id"`
 	Format    string `json:"format"`
 	Quality   string `json:"quality"`
 }
@@ -62,24 +62,57 @@ type SourceData struct {
 type DataUpdate struct {
 	Version   uint       `json:"version"`
 	Hostname  string     `json:"hostname"`
-	StreamId  StreamId   `json:"streamer-id"`
+	StreamID  StreamID   `json:"streamer-id"`
 	Tags      []string   `json:"tags,omitempty"`
 	StartTime time.Time  `json:"start-time"`
 	Duration  int64      `json:"duration-ms"`
 	Data      SourceData `json:"data"`
 }
 
+type StatsWorker struct {
+	stream  StreamID
+	current DataUpdate
+	trigger chan time.Time
+	output  chan<- DataUpdate
+	input   chan ClientData
+}
+
+func NewStatsWorker(stream StreamID, updates chan<- DataUpdate) (sw StatsWorker) {
+	sw.stream = stream
+	sw.trigger = make(chan time.Time)
+	sw.output = updates
+	sw.input = make(chan ClientData, 100)
+	return
+}
+
+func (sw StatsWorker) Run() {
+	for {
+		select {
+		case t := <-sw.trigger:
+			s5l.Printf("STATS(%v): sending report @%v", sw.stream, t)
+			// TODO: send out `current` on `output` and reset it
+		case upd := <-sw.input:
+			s5l.Printf("STATS(%v): got client data: IP: %s, UA: %s, %d Bytes", sw.stream, upd.IP, upd.UserAgent, upd.BytesSent)
+			// TODO: add `upd` to `current`
+		}
+	}
+}
+
 type Stats struct {
-	conf *Config
-	sock net.Conn
-	// TODO: create datastructure to hold update channels
-	updateCH chan ClientData
+	conf    *Config
+	sock    net.Conn
+	updates chan DataUpdate
+	workers map[string]StatsWorker
 }
 
 func (s *Stats) GetUpdateChannel(url string) chan<- ClientData {
 	s5l.Printf("STATS: got new client for url: %s", url)
-
-	return s.updateCH
+	for name, worker := range s.workers {
+		if strings.Contains(url, name) {
+			return worker.input
+		}
+	}
+	return nil
 }
 
 func NewStats(conf *Config) (s *Stats, err error) {
@@ -88,23 +121,28 @@ func NewStats(conf *Config) (s *Stats, err error) {
 		return
 	}
 	s5l.Printf("STATS: connected to sfive-hub on '%s'", conf.SFive.Sock)
+	s.updates = make(chan DataUpdate, 100)
 
-	// TODO: create update-channels according to conf
-	s.updateCH = make(chan ClientData, 512)
+	s.workers = make(map[string]StatsWorker)
+	// TODO: create stats-worker depending on conf.SFive.Streamer
+	// TODO: generate stats-worker name using conf.SFive.Format
+	s.workers["av-orig-webm-high"] = NewStatsWorker(StreamID{"av-orig", "webm", "high"}, s.updates)
 	return
 }
 
 func (s *Stats) Run() (err error) {
-	update := DataUpdate{Version: 1, Hostname: "hugo", StartTime: time.Now()}
-	update.Tags = append(update.Tags, "hello", "world")
-	if err = json.NewEncoder(s.sock).Encode(update); err != nil {
-		return
+	for _, worker := range s.workers {
+		go worker.Run()
 	}
+	// TODO: create ticker
 
 	for {
 		select {
-		case upd := <-s.updateCH:
-			s5l.Printf("STATS: got client data: IP: %s, UA: %s, %d Bytes", upd.IP, upd.UserAgent, upd.BytesSent)
+		//TODO: wait for ticker
+		case upd := <-s.updates:
+			s5l.Printf("STATS: got data update for '%v'", upd.StreamID)
+			// TODO: send it out on socket
+			// TODO: if sock error ... try reconnect
 		}
 	}
 	return
-- 
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