Initial commit

.gitignore

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+*.exe
+.idea/*

README.md

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+# gateway-server
+This is a commit of skeleton code for the gateway server

data-types.go

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+package main
+
+type StampedReading struct {
+	Timestamp int
+	Value     interface{}
+}

gateway.go

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+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+)
+
+func main() {
+	http.HandleFunc("/data", dataHandler)
+	if err := http.ListenAndServe(":8081", nil); err != nil {
+		fmt.Printf("Error serving 8081: %v", err)
+	}
+}
+
+func dataHandler(w http.ResponseWriter, r *http.Request) {
+	fmt.Printf("Got data from: %+v at %v\n", r.Header.Get("uuid"), r.Header.Get("time"))
+	body, _ := ioutil.ReadAll(r.Body)
+	var data map[string][]StampedReading
+	if err := json.Unmarshal(body, &data); err != nil {
+		fmt.Printf("Error unmarshalling body: %v\n", err)
+	} else {
+		fmt.Printf("Data received: %v\n", data)
+	}
+	w.WriteHeader(200)
+}