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-rw-r--r--vendor/github.com/Xe/ln/example/http.go51
1 files changed, 51 insertions, 0 deletions
diff --git a/vendor/github.com/Xe/ln/example/http.go b/vendor/github.com/Xe/ln/example/http.go
new file mode 100644
index 0000000..7fb98a3
--- /dev/null
+++ b/vendor/github.com/Xe/ln/example/http.go
@@ -0,0 +1,51 @@
+// +build ignore
+
+package main
+
+import (
+ "context"
+ "flag"
+ "net/http"
+ "time"
+
+ "github.com/Xe/ln"
+ "github.com/Xe/ln/ex"
+ "github.com/facebookgo/flagenv"
+ "golang.org/x/net/trace"
+)
+
+var (
+ port = flag.String("port", "2145", "http port to listen on")
+ tracingFamily = flag.String("trace-family", "ln example", "tracing family to use for x/net/trace")
+)
+
+func main() {
+ flagenv.Parse()
+ flag.Parse()
+
+ ln.DefaultLogger.Filters = append(ln.DefaultLogger.Filters, ex.NewGoTraceLogger())
+
+ http.HandleFunc("/", handleIndex)
+ http.ListenAndServe(":"+*port, middlewareSpan(ex.HTTPLog(http.DefaultServeMux)))
+}
+
+func middlewareSpan(next http.Handler) http.Handler {
+ return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+ sp := trace.New(*tracingFamily, "HTTP request")
+ defer sp.Finish()
+ ctx, cancel := context.WithTimeout(r.Context(), 30*time.Second)
+ defer cancel()
+
+ ctx = trace.NewContext(ctx, sp)
+
+ next.ServeHTTP(w, r.WithContext(ctx))
+ })
+}
+
+func handleIndex(w http.ResponseWriter, r *http.Request) {
+ ctx := r.Context()
+
+ ln.Log(ctx, ln.Action("index"), ln.F{"there_is": "no_danger"})
+
+ http.Error(w, "There is no danger citizen", http.StatusOK)
+}