Close 5360 sockets cleanly

.github/ISSUE_TEMPLATE.md

@@ -23,7 +23,7 @@ with your board before submitting any issues.
 
 Main processor board: <!-- Uno, Zero, ESP32, Particle, etc -->
 Modem: <!-- Brand, model, variant, firmware version -->
-TinyGSM version: <!-- always try to use the latest (0.9.4) -->
+TinyGSM version: <!-- always try to use the latest (0.9.5) -->
 Code: <!-- Example name or paste in your code -->
 
 ### Scenario, steps to reproduce

library.json

@@ -1,6 +1,6 @@
 {
   "name": "TinyGSM",
-  "version": "0.9.4",
+  "version": "0.9.5",
   "description": "A small Arduino library for GPRS modules, that just works. Includes examples for Blynk, MQTT, File Download, and Web Client. Supports many GSM, LTE, and WiFi modules with AT command interfaces.",
   "keywords": "GSM, AT commands, AT, SIM800, SIM900, A6, A7, M590, ESP8266, SIM7000, SIM800A, SIM800C, SIM800L, SIM800H, SIM808, SIM868, SIM900A, SIM900D, SIM908, SIM968, M95, MC60, MC60E, BG96, ublox, Quectel, SIMCOM, AI Thinker, LTE, LTE-M",
   "authors":

library.properties

@@ -1,5 +1,5 @@
 name=TinyGSM
-version=0.9.4
+version=0.9.5
 author=Volodymyr Shymanskyy
 maintainer=Volodymyr Shymanskyy
 sentence=A small Arduino library for GPRS modules, that just works.

src/TinyGsmClientSIM5360.h

@@ -400,6 +400,13 @@ TINY_GSM_MODEM_WAIT_FOR_NETWORK()
   }
 
   bool gprsDisconnect() {
+    // Close any open sockets
+    for (int mux = 0; mux < TINY_GSM_MUX_COUNT; mux++) {
+      GsmClient *sock = sockets[mux];
+      if (sock) {
+        sock->stop();
+      }
+    }
 
     // Stop the socket service
     // Note: all sockets should be closed first
@@ -422,13 +429,11 @@ TINY_GSM_MODEM_WAIT_FOR_NETWORK()
 
   bool isGprsConnected() {
     sendAT(GF("+NETOPEN?"));
-    if (waitResponse(GF(GSM_NL "+NETOPEN:")) != 1) {
+    // May return +NETOPEN: 1, 0.  We just confirm that the first number is 1
+    if (waitResponse(GF(GSM_NL "+NETOPEN: 1")) != 1) {
       return false;
     }
-    int res = stream.readStringUntil('\n').toInt();
     waitResponse();
-    if (res != 1)
-      return false;
 
     sendAT(GF("+IPADDR")); // Inquire Socket PDP address
     // sendAT(GF("+CGPADDR=1")); // Show PDP address

src/TinyGsmCommon.h

@@ -10,7 +10,7 @@
 #define TinyGsmCommon_h
 
 // The current library version number
-#define TINYGSM_VERSION "0.9.4"
+#define TINYGSM_VERSION "0.9.5"
 
 #if defined(SPARK) || defined(PARTICLE)
   #include "Particle.h"