From 49b0faa8e76364b3fbce6b51035acc1796c5313f Mon Sep 17 00:00:00 2001
From: cotestatnt <cotestatnt@yahoo.com>
Date: Wed, 7 Feb 2024 09:03:30 +0100
Subject: [PATCH] server port and hostname at runtime

---
 library.properties       |  2 +-
 src/esp-fs-webserver.cpp | 25 +++++++++++++++----------
 src/esp-fs-webserver.h   | 26 ++++++++++++++++++++++----
 3 files changed, 38 insertions(+), 15 deletions(-)

diff --git a/library.properties b/library.properties
index e6aef95..04afc9d 100644
--- a/library.properties
+++ b/library.properties
@@ -1,5 +1,5 @@
 name=esp-fs-webserver
-version=2.0.2
+version=2.0.3
 author=Tolentino Cotesta <cotestatnt@yahoo.com>
 maintainer=Tolentino Cotesta <cotestatnt@yahoo.com>
 sentence=From FSBrowser.ino example to library
diff --git a/src/esp-fs-webserver.cpp b/src/esp-fs-webserver.cpp
index a26c2dc..d5b627b 100644
--- a/src/esp-fs-webserver.cpp
+++ b/src/esp-fs-webserver.cpp
@@ -62,10 +62,15 @@ void FSWebServer::handleClient()
 #endif
 
 
+void FSWebServer::setHostname(const char* host) {
+    m_host = host;
+}
+
+
 // Override default begin() method to set library built-in handlers
-void FSWebServer::begin()
+void FSWebServer::begin(uint16_t port)
 {
-
+    m_port = port;
 #if ESP_FS_WS_SETUP
     m_fsOK = setup->checkConfigFile();
     if (setup->isOpened()) {
@@ -102,15 +107,15 @@ void FSWebServer::begin()
     this->enableCrossOrigin(true);
     _server.setNoDelay(true);
 #endif
-
     close();
-    _server.begin();
+    _server.begin(port);
 
 #ifdef ESP8266
-    WiFi.hostname(m_host);
+    WiFi.hostname(m_host.c_str());
 #elif defined(ESP32)
-    WiFi.setHostname(m_host);
+    WiFi.setHostname(m_host.c_str());
 #endif
+    log_info("Server started on %s:%d\n", WiFi.localIP().toString().c_str(), port);
 }
 
 
@@ -166,8 +171,8 @@ IPAddress FSWebServer::startAP()
     }
 
     WiFi.mode(WIFI_AP);
-    // Set AP IP 8.8.8.8 and subnet 255.255.255.0
-    if (! WiFi.softAPConfig(0x08080808, 0x08080808, 0x00FFFFFF)) {
+    // Set AP IP and subnet 255.255.255.0
+    if (! WiFi.softAPConfig(m_captiveIp, m_captiveIp, 0x00FFFFFF)) {
         log_error("Captive portal failed to start: WiFi.softAPConfig failed!");
         WiFi.enableAP(false);
         return IPAddress((uint32_t) 0);
@@ -190,7 +195,7 @@ IPAddress FSWebServer::startAP()
     }
 
     ip = WiFi.softAPIP();
-    log_info("AP mode.\nServer IP address: %s", ip.toString().c_str());
+    log_info("\nAP mode.\nIP address: %s", ip.toString().c_str());
     m_apmode = true;
     return ip;
 }
@@ -265,7 +270,7 @@ IPAddress FSWebServer::startWiFi(uint32_t timeout, bool apFlag, CallbackF fn)
             log_error("MDNS responder not started");
         }
         MDNS.addService("http", "tcp", m_port);
-        MDNS.setInstanceName("esp-fs-webserver");
+        MDNS.setInstanceName(m_host);
 
         if ((WiFi.status() == WL_CONNECTED) || apFlag)
             return WiFi.localIP();
diff --git a/src/esp-fs-webserver.h b/src/esp-fs-webserver.h
index 3196728..ca2409d 100644
--- a/src/esp-fs-webserver.h
+++ b/src/esp-fs-webserver.h
@@ -91,15 +91,20 @@ class FSWebServer : public WebServerClass
 
 public:
 
-    FSWebServer(fs::FS& fs, uint16_t port, const char* host = "esphost"):
+    FSWebServer(fs::FS& fs, uint16_t port = 80, const char* host = "esphost"):
         WebServerClass(port),
         m_filesystem(&fs),
-        m_host((char*)host)
+        m_host(host)
     {
 		setup = new SetupConfigurator(m_filesystem);
         m_port = port;
     }
 
+    /*
+    *   Set web server hostname
+    */
+    void setHostname(const char* host);
+
     /*
     * setup web page "configurator" class reference
     */
@@ -108,7 +113,7 @@ class FSWebServer : public WebServerClass
     /*
     * Override default begin() method to set library built-in handlers
     */
-    virtual void begin();
+    virtual void begin(uint16_t port = 80);
 
     /*
     * Call this method in your loop
@@ -194,6 +199,18 @@ class FSWebServer : public WebServerClass
     */
     bool clearOptions();
 
+    /*
+    * Set IP address in AP mode
+    */
+    void setIPaddressAP(IPAddress ip) {
+        m_captiveIp = ip;
+    }
+
+    /*
+    * Get current web server port
+    */
+    uint16_t getPort() { return m_port;}
+
     /////////////////////////////////////////////////////////////////////////////////////////////////
     /////////////////////////   SETUP PAGE CONFIGURATION ////////////////////////////////////////////
     /////////////////////////////////////////////////////////////////////////////////////////////////
@@ -233,12 +250,13 @@ class FSWebServer : public WebServerClass
     String          m_apWebpage = "/setup";
     String          m_apSsid = "";
     String          m_apPsk = "";
+    String          m_host;
     uint32_t        m_timeout = 10000;
     bool            m_fsOK = false;
     bool            m_apmode = false;
     uint16_t        m_port = 80;
     char            m_version[16] = {__TIME__};
-    char*           m_host;
+    IPAddress       m_captiveIp = IPAddress(192, 168, 4, 1);
 
     #if defined(ESP32)
     // Override default handleClient() method to increase connection speed