ClientContext: restore use of two different pending booleans for connect and write #6483

Author: d-a-v

Diff for: libraries/ESP8266WiFi/src/include/ClientContext.h

@@ -128,14 +128,14 @@ class ClientContext
         if (err != ERR_OK) {
             return 0;
         }
-        _delaying = true;
+        _connect_pending = true;
         _op_start_time = millis();
         // Following delay will be interrupted by connect callback
-        for (decltype(_timeout_ms) i = 0; _delaying && i < _timeout_ms; i++) {
+        for (decltype(_timeout_ms) i = 0; _connect_pending && i < _timeout_ms; i++) {
                // Give scheduled functions a chance to run (e.g. Ethernet uses recurrent)
                delay(1);
         }
-        _delaying = false;
+        _connect_pending = false;
         if (!_pcb) {
             DEBUGV(":cabrt\r\n");
             return 0;
@@ -432,16 +432,17 @@ class ClientContext
 
     void _notify_error()
     {
-        if (_delaying) {
-            _delaying = false;
+        if (_connect_pending || _send_waiting) {
+            _send_waiting = false;
+            _connect_pending = false;
             esp_schedule(); // break current delay()
         }
     }
 
     size_t _write_from_source(DataSource* ds)
     {
         assert(_datasource == nullptr);
-        assert(!_delaying);
+        assert(!_send_waiting);
         _datasource = ds;
         _written = 0;
         _op_start_time = millis();
@@ -459,13 +460,13 @@ class ClientContext
                 break;
             }
 
-            _delaying = true;
+            _send_waiting = true;
             // Following delay will be interrupted by on next received ack
-            for (decltype(_timeout_ms) i = 0; _delaying && i < _timeout_ms; i++) {
+            for (decltype(_timeout_ms) i = 0; _send_waiting && i < _timeout_ms; i++) {
                // Give scheduled functions a chance to run (e.g. Ethernet uses recurrent)
                delay(1);
             }
-            _delaying = false;
+            _send_waiting = false;
         } while(true);
 
         if (_sync)
@@ -533,8 +534,8 @@ class ClientContext
 
     void _write_some_from_cb()
     {
-        if (_delaying) {
-            _delaying = false;
+        if (_send_waiting) {
+            _send_waiting = false;
             esp_schedule(); // break current delay()
         }
     }
@@ -609,8 +610,8 @@ class ClientContext
         (void) err;
         (void) pcb;
         assert(pcb == _pcb);
-        if (_delaying) {
-            _delaying = false;
+        if (_connect_pending) {
+            _connect_pending = false;
             esp_schedule(); // break current delay()
         }
         return ERR_OK;
@@ -660,7 +661,8 @@ class ClientContext
     size_t _written = 0;
     uint32_t _timeout_ms = 5000;
     uint32_t _op_start_time = 0;
-    bool _delaying = false;
+    bool _send_waiting = false;
+    bool _connect_pending = false;
 
     int8_t _refcnt;
     ClientContext* _next;