From 5a114bf622fd03307a2394d04e92d2df05a05bee Mon Sep 17 00:00:00 2001
From: Martin Boehm <martin.boehm@1mbsoftware.net>
Date: Wed, 30 May 2018 14:44:40 +0200
Subject: [PATCH] Return hostname in status page

---
 blockbook.go            | 12 +++++++++++-
 common/internalstate.go |  1 +
 server/socketio.go      |  6 ++++--
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/blockbook.go b/blockbook.go
index 224acd29..9a06d856 100644
--- a/blockbook.go
+++ b/blockbook.go
@@ -309,7 +309,17 @@ func main() {
 }
 
 func newInternalState(coin string, d *db.RocksDB) (*common.InternalState, error) {
-	return d.LoadInternalState(coin)
+	is, err := d.LoadInternalState(coin)
+	if err != nil {
+		return nil, err
+	}
+	name, err := os.Hostname()
+	if err != nil {
+		glog.Error("get hostname ", err)
+	} else {
+		is.Host = name
+	}
+	return is, nil
 }
 
 func tickAndDebounce(tickTime time.Duration, debounceTime time.Duration, input chan struct{}, f func()) {
diff --git a/common/internalstate.go b/common/internalstate.go
index 0b1573e8..7ff0836e 100644
--- a/common/internalstate.go
+++ b/common/internalstate.go
@@ -27,6 +27,7 @@ type InternalState struct {
 	mux sync.Mutex
 
 	Coin string `json:"coin"`
+	Host string `json:"host"`
 
 	DbState uint32 `json:"dbState"`
 
diff --git a/server/socketio.go b/server/socketio.go
index 7be24718..c96d4dfc 100644
--- a/server/socketio.go
+++ b/server/socketio.go
@@ -144,7 +144,7 @@ func (s *SocketIoServer) addressRedirect(w http.ResponseWriter, r *http.Request)
 
 type resAboutBlockbookPublic struct {
 	Coin            string    `json:"coin"`
-	About           string    `json:"about"`
+	Host            string    `json:"host"`
 	Version         string    `json:"version"`
 	GitCommit       string    `json:"gitcommit"`
 	BuildTime       string    `json:"buildtime"`
@@ -153,6 +153,7 @@ type resAboutBlockbookPublic struct {
 	LastBlockTime   time.Time `json:"lastBlockTime"`
 	InSyncMempool   bool      `json:"inSyncMempool"`
 	LastMempoolTime time.Time `json:"lastMempoolTime"`
+	About           string    `json:"about"`
 }
 
 func (s *SocketIoServer) index(w http.ResponseWriter, r *http.Request) {
@@ -161,7 +162,7 @@ func (s *SocketIoServer) index(w http.ResponseWriter, r *http.Request) {
 	ms, mt := s.is.GetMempoolSyncState()
 	a := resAboutBlockbookPublic{
 		Coin:            s.is.Coin,
-		About:           blockbookAbout,
+		Host:            s.is.Host,
 		Version:         vi.Version,
 		GitCommit:       vi.GitCommit,
 		BuildTime:       vi.BuildTime,
@@ -170,6 +171,7 @@ func (s *SocketIoServer) index(w http.ResponseWriter, r *http.Request) {
 		LastBlockTime:   st,
 		InSyncMempool:   ms,
 		LastMempoolTime: mt,
+		About:           blockbookAbout,
 	}
 	buf, err := json.MarshalIndent(a, "", "    ")
 	if err != nil {