Diff: NetworkJoin.cpp

Revision:

29:b6af04b77a56

Child:

33:9b690d76eedf

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NetworkJoin.cpp	Mon Oct 27 13:42:26 2014 -0700
@@ -0,0 +1,251 @@
+/**
+ * ACKme WiConnect Host Library is licensed under the BSD licence: 
+ * 
+ * Copyright (c)2014 ACKme Networks.
+ * All rights reserved. 
+ * 
+ * Redistribution and use in source and binary forms, with or without modification, 
+ * are permitted provided that the following conditions are met: 
+ * 
+ * 1. Redistributions of source code must retain the above copyright notice, 
+ * this list of conditions and the following disclaimer. 
+ * 2. Redistributions in binary form must reproduce the above copyright notice, 
+ * this list of conditions and the following disclaimer in the documentation 
+ * and/or other materials provided with the distribution. 
+ * 3. The name of the author may not be used to endorse or promote products 
+ * derived from this software without specific prior written permission. 
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS AND ANY EXPRESS OR IMPLIED 
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
+ * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
+ * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
+ * OF SUCH DAMAGE.
+ */
+#include "Wiconnect.h"
+#include "internal/common.h"
+
+/*************************************************************************************************/
+WiconnectResult NetworkInterface::join(const char* ssid, const char *password, const Callback &completeHandler_)
+{
+    WiconnectResult result = WICONNECT_ERROR;
+
+    enum
+    {
+        FS_SET_SSID,
+        FS_SET_PASSWORD,
+        FS_NETWORK_UP,
+        FS_GET_STATUS
+    };
+
+    CHECK_CALLBACK_AVAILABLE(completeHandler_);
+
+    CHECK_OTHER_COMMAND_EXECUTING();
+
+    if(wiconnect->internalProcessingState == FS_SET_SSID)
+    {
+        if(ssid == NULL ||
+           WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("set wlan.ssid %s", ssid)))
+        {
+            wiconnect->internalProcessingState = FS_SET_PASSWORD;
+        }
+    }
+
+    if(wiconnect->internalProcessingState == FS_SET_PASSWORD)
+    {
+        if(password == NULL || *password == 0 ||
+           WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("set wlan.passkey %s", password)))
+        {
+            wiconnect->internalProcessingState = FS_NETWORK_UP;
+        }
+    }
+
+    if(wiconnect->internalProcessingState == FS_NETWORK_UP)
+    {
+        if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("network_up")))
+        {
+            if(!completeHandler_.isValid())
+            {
+                wiconnect->internalProcessingState = FS_GET_STATUS;
+            }
+#ifdef WICONNECT_ASYNC_TIMER_ENABLED
+            else
+            {
+                monitorTimer.stop();
+                completeHandler = completeHandler_;
+                monitorTimer.start(this, &NetworkInterface::joinStatusMonitor, 1000);
+            }
+#endif
+        }
+    }
+
+    if(wiconnect->internalProcessingState == FS_GET_STATUS)
+    {
+#define MAX_JOIN_TIME 30000
+        TimeoutTimer timeout;
+
+        status_loop:
+        if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("get wlan.join.result")))
+        {
+            int32_t status;
+            if(!WICONNECT_FAILED(result, wiconnect->responseToInt32(&status)))
+            {
+                if((NetworkJoinResult)status == NETWORK_JOIN_RESULT_JOINING)
+                {
+                    if(timeout.timedOut(MAX_JOIN_TIME))
+                    {
+                        result = WICONNECT_TIMEOUT;
+                    }
+                    else if(!wiconnect->nonBlocking)
+                    {
+                        goto status_loop;
+                    }
+                    else
+                    {
+                        result = WICONNECT_PROCESSING;
+                    }
+                }
+                else
+                {
+                    result = ((NetworkJoinResult)status == NETWORK_JOIN_RESULT_SUCCESS) ? WICONNECT_SUCCESS : WICONNECT_NOT_CONNECTED;
+                }
+            }
+        }
+    }
+
+    CHECK_CLEANUP_COMMAND();
+
+    return result;
+}
+
+
+
+/*************************************************************************************************/
+WiconnectResult NetworkInterface::leave()
+{
+    WiconnectResult result;
+
+    CHECK_OTHER_COMMAND_EXECUTING();
+
+#ifdef WICONNECT_ASYNC_TIMER_ENABLED
+    monitorTimer.stop();
+#endif
+    result = wiconnect->sendCommand("network_down");
+
+    CHECK_CLEANUP_COMMAND();
+
+    return result;
+}
+
+
+/*************************************************************************************************/
+WiconnectResult NetworkInterface::getNetworkStatus(NetworkStatus *statusPtr)
+{
+    WiconnectResult result;
+
+    CHECK_OTHER_COMMAND_EXECUTING();
+
+    if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("get network.status")))
+    {
+        int32_t status;
+        if(!WICONNECT_FAILED(result, wiconnect->responseToInt32(&status)))
+        {
+            if(status != NETWORK_STATUS_DOWN)
+            {
+#ifdef WICONNECT_ASYNC_TIMER_ENABLED
+                monitorTimer.stop();
+#endif
+            }
+            *statusPtr = (NetworkStatus)status;
+        }
+    }
+
+    CHECK_CLEANUP_COMMAND();
+
+    return result;
+}
+
+/*************************************************************************************************/
+WiconnectResult NetworkInterface::getNetworkJoinResult(NetworkJoinResult *joinResultPtr)
+{
+    WiconnectResult result;
+
+    CHECK_OTHER_COMMAND_EXECUTING();
+
+    if(WICONNECT_SUCCEEDED(result, wiconnect->sendCommand("get wlan.join.result")))
+    {
+        int32_t status;
+        if(!WICONNECT_FAILED(result, wiconnect->responseToInt32(&status)))
+        {
+            if(status != NETWORK_JOIN_RESULT_JOINING)
+            {
+#ifdef WICONNECT_ASYNC_TIMER_ENABLED
+                monitorTimer.stop();
+#endif
+            }
+            *joinResultPtr = (NetworkJoinResult)status;
+        }
+    }
+
+    CHECK_CLEANUP_COMMAND();
+
+    return result;
+}
+
+#ifdef WICONNECT_ASYNC_TIMER_ENABLED
+
+
+/*************************************************************************************************/
+// this is called every 1s by the monitorTimer
+void NetworkInterface::joinStatusMonitor()
+{
+    static char responseBuffer[4];
+    static uint8_t cmdBuffer[sizeof(QueuedCommand)];
+    QueuedCommand *cmd = (QueuedCommand*)cmdBuffer;
+
+    monitorTimer.stop();
+
+   *cmd = QueuedCommand(sizeof(responseBuffer), responseBuffer, "get wlan.join.result");
+
+    wiconnect->enqueueCommand(cmd, Callback(this, &NetworkInterface::joinStatusCheckCallback));
+}
+
+/*************************************************************************************************/
+// this is called on the completion of the 'get'wlan.join.result' command above
+void NetworkInterface::joinStatusCheckCallback(WiconnectResult result, void *arg1, void *arg2)
+{
+    bool isComplete = false;
+    NetworkJoinResult joinResult = NETWORK_JOIN_RESULT_NONE;
+
+    QueuedCommand *cmd = (QueuedCommand*)arg1;
+
+    if(result == WICONNECT_SUCCESS)
+    {
+        int32_t status;
+        if(!StringUtil::strToInt32(cmd->responseBuffer, &status))
+        {
+            result = WICONNECT_RESPONSE_PARSE_ERROR;
+        }
+        else if((NetworkJoinResult)status != NETWORK_JOIN_RESULT_JOINING)
+        {
+            isComplete = true;
+            joinResult = (NetworkJoinResult)status;
+            result = (joinResult == NETWORK_JOIN_RESULT_SUCCESS) ? WICONNECT_SUCCESS : WICONNECT_NOT_CONNECTED;
+        }
+    }
+
+    if(isComplete || result != WICONNECT_SUCCESS)
+    {
+        completeHandler.call(result, (void*)joinResult, NULL);
+    }
+    else
+    {
+        monitorTimer.start(this, &NetworkInterface::joinStatusMonitor, 1000);
+    }
+}
+
+#endif