From 922096e9daec0a2fdf77a917299cecaa94a107ed Mon Sep 17 00:00:00 2001
From: Maxim Prokhorov <prokhorov.max@outlook.com>
Date: Thu, 29 Mar 2018 00:31:27 +0300
Subject: [PATCH] Build-time default value for hostname

---
 code/espurna/config/defaults.h | 5 +++++
 code/espurna/espurna.ino       | 2 +-
 code/espurna/utils.ino         | 8 ++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/code/espurna/config/defaults.h b/code/espurna/config/defaults.h
index 8e82543b..86e25993 100644
--- a/code/espurna/config/defaults.h
+++ b/code/espurna/config/defaults.h
@@ -399,6 +399,11 @@
 // General
 // -----------------------------------------------------------------------------
 
+// Default hostname will be ESPURNA_XXXXXX, where XXXXXX is last 3 octets of chipID
+#ifndef HOSTNAME
+#define HOSTNAME ""
+#endif
+
 // Needed for ESP8285 boards under Windows using PlatformIO (?)
 #ifndef BUTTON_PUSHBUTTON
 #define BUTTON_PUSHBUTTON   0
diff --git a/code/espurna/espurna.ino b/code/espurna/espurna.ino
index 8c23ad62..6f6c8435 100644
--- a/code/espurna/espurna.ino
+++ b/code/espurna/espurna.ino
@@ -50,7 +50,7 @@ void setup() {
 
     // Hostname & board name initialization
     if (getSetting("hostname").length() == 0) {
-        setSetting("hostname", getIdentifier());
+        setDefaultHostname();
     }
     setBoardName();
 
diff --git a/code/espurna/utils.ino b/code/espurna/utils.ino
index 4c01cf12..7398b802 100644
--- a/code/espurna/utils.ino
+++ b/code/espurna/utils.ino
@@ -15,6 +15,14 @@ String getIdentifier() {
     return String(buffer);
 }
 
+void setDefaultHostname() {
+    if (strlen(HOSTNAME) > 0) {
+        setSetting("hostname", HOSTNAME);
+    } else {
+        setSetting("hostname", getIdentifier());
+    }
+}
+
 void setBoardName() {
     #ifndef ESPURNA_CORE
         setSetting("boardName", DEVICE_NAME);