Diff: wifi/Wifi.cpp

Revision:

114:cd34b1d64360

Parent:

113:7238f9b8db17

Child:

117:e59a616ffe16

--- a/wifi/Wifi.cpp	Tue Dec 31 19:57:21 2013 +0000
+++ b/wifi/Wifi.cpp	Tue Dec 31 21:35:49 2013 +0000
@@ -289,11 +289,30 @@
 
 bool Wifi::isOpen()
 {
+    if(!socketOpened) {
+        return false;
+    }
+    if(!setCmdMode(true)) {
+        printf("[ERROR] Failed to properly check if TCP connection is open.\r\n");
+        return socketOpened;
+    }
+    std::string response = sendCommand("show connection", 2000, "\n");
+    int start = response.find("f");
+    if(start != string::npos && response.size() >= (start + 3)) {
+        if(response[start + 3] == '1') {
+            socketOpened = true;
+        } else {
+            socketOpened = false;
+        }
+    } else {
+        printf("[WARNING] Trouble checking TCP Connection status.\n\r");
+    }
     return socketOpened;
 }
 
 bool Wifi::close()
 {
+    wait(1);
     if(io == NULL) {
         printf("[ERROR] MTSBufferedIO not set\r\n");
         return false;
@@ -309,18 +328,18 @@
         return false;
     }
 
-    std::string response = sendCommand("close", 10000, "CLOS");
-    //printf("Close Response: %s\n\r", response.c_str());
-    if(response.find("CLOS") == string::npos) {
-        printf("[ERROR] Failed to successfully close socket\r\n");
-        return false;
+    if(isOpen()) {
+        std::string response = sendCommand("close", 3000, "CLOS");
+        printf("Close Response: %s\n\r", response.c_str());
+        if(response.find("CLOS") == string::npos) {
+            printf("[WARNING] Failed to successfully close socket...\r\n");
+            return false;
+        }
     }
 
-    socketOpened = false;
-    
     io->rxClear();
     io->txClear();
-    
+
     return true;
 }