Diff: http/server/HttpStatic.cpp

Revision:

0:50cedd586816

Child:

20:409ebd125b9c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/http/server/HttpStatic.cpp	Wed Jun 24 09:54:16 2015 +0000
@@ -0,0 +1,207 @@
+//*****************************************************************************
+// Copyright (C) 2014 Texas Instruments Incorporated
+//
+// All rights reserved. Property of Texas Instruments Incorporated.
+// Restricted rights to use, duplicate or disclose this code are
+// granted through contract.
+// The program may not be used without the written permission of
+// Texas Instruments Incorporated or against the terms and conditions
+// stipulated in the agreement under which this program has been supplied,
+// and under no circumstances can it be used with non-TI connectivity device.
+//
+//*****************************************************************************
+
+#include "HttpStatic.h"
+#include <stdlib.h>
+
+#ifdef HTTP_CORE_ENABLE_STATIC
+
+#include "HttpRequest.h"
+#include "HttpResponse.h"
+#include "HttpCore.h"
+#include "cc3100.h"
+#include "cc3100_fs.h"
+#include "HttpDebug.h"
+#include "myBoardInit.h"
+#include "osi.h"
+
+using namespace mbed_cc3100;
+
+//cc3100 _cc3100Module(NC, NC, PE_5, PE_4, PE_6, SPI(PB_5, PB_4, PB_3));//Seeed_Arch_Max  irq, nHib, cs, mosi, miso, sck
+cc3100 _cc3100Module(NC, NC, PD_12, PD_13, PD_11, SPI(PB_5, PB_4, PB_3));//Seeed_Arch_Max  irq, nHib, cs, mosi, miso, sck
+
+
+/**
+ * @addtogroup HttpStatic
+ * @{
+ */
+
+/**
+ * @defgroup HttpStatic Static request handler module
+ * This module implements static content processing for HTTP requests.
+ * All requests are handled by looking up the URL's resource in the flash database, and returning the content in the response.
+ * Note this module is only compiled if HTTP_CORE_ENABLE_STATIC is defined in HttpConfig.h
+ *
+ * @{
+ */
+
+#define FILE_NAME_SIZE_MAX    (40)
+
+//Store File Name from HTTP Header
+char g_cFileName[FILE_NAME_SIZE_MAX]; 				//String storing filename
+int32_t glFileHandle;							// file handle
+
+/**
+ * Initialize HttpStatic module state for a new request, and identify the request
+ * This function examines the specified resource string, and looks it up in the Flash Database.
+ * If found, it commits to process this request by returning nonzero. Otherwise it returns zero.
+ * @param uConnection The number of the connection. This value is guaranteed to satisfy: 0 <= uConnection < HTTP_CORE_MAX_CONNECTIONS
+ * @param resource The resource part of the URL, as specified by the browser in the request, including any query string (and hash).
+ *                 Note: The resource string exists ONLY during the call to this function. The string pointer should not be copied by this function.
+ * @return nonzero if request is to be handled by this module. zero if not.
+ */
+int HttpStatic_InitRequest(UINT16 uConnection, struct HttpBlob resource)
+{
+	char *pcWWWFsDir = "www";
+	memset(g_cFileName,'\0',40);
+
+	if(resource.uLength ==1 && *(resource.pData)=='/')
+	{
+		strcpy(g_cFileName,"www/main.html");
+	}
+	else
+	{	
+		strcpy(g_cFileName,pcWWWFsDir);
+		strncat(g_cFileName,(char*)resource.pData,resource.uLength);
+	}
+
+	if(_cc3100Module._fs.sl_FsOpen((unsigned char*)g_cFileName,FS_MODE_OPEN_READ,NULL,&glFileHandle)<0)
+		return 0;
+	else
+	{
+		return 1;
+	}
+}
+
+/**
+ * Process a static-content HTTP request
+ * This function is called after a request was already initialized, and a Flash content entry was identified during a call to HttpStatic_InitRequest()
+ * This function calls HttpResponse_*() to send the content data to the browser.
+ * @param request Pointer to all data available about the request
+ * @return nonzero if request was handled. zero if not.
+ */
+int HttpStatic_ProcessRequest(struct HttpRequest* request)
+{
+	struct HttpBlob location,contentType;
+	struct HttpBlob* content = (struct HttpBlob*)malloc(sizeof(struct HttpBlob));
+	unsigned int Offset = 0;
+	SlFsFileInfo_t pFsFileInfo;
+	UINT32 TotalLength;
+	UINT8 HeaderFlag =0;
+	UINT8 bRetVal = 1;
+	UINT8 *buffer1 = NULL;
+
+
+	if(content == NULL)
+	{
+		HttpDebug("content = NULL error\n\r");
+		return 0;
+	}
+	location.pData = NULL;
+	location.uLength = 0;
+	contentType = location;
+
+	/*  if HTTP_REQUEST_FLAG_METHOD_POST==1 (i.e. it is POST)
+		HttpResponse_CannedError() responds to client with status HTTP_STATUS_ERROR_INTERNAL
+		POST method is not supported for static pages	*/
+	if (request->uFlags & HTTP_REQUEST_FLAG_METHOD_POST)
+	{
+		 /* HttpResponse_CannedError responds to client with 500 ERROR_INTERNAL  */
+   		 if(!HttpResponse_CannedError(request->uConnection, HTTP_STATUS_ERROR_INTERNAL))
+   		 {
+   		 	HttpDebug("HttpResponse_CannedError \n\r");
+   			bRetVal = 0;
+   			goto end;
+   		 }
+   		 else
+   		 {
+   			bRetVal = 1;
+   			goto end;
+   		 }
+	}
+
+	_cc3100Module._fs.sl_FsGetInfo((unsigned char *)g_cFileName, NULL, &pFsFileInfo);
+	TotalLength = (&pFsFileInfo)->FileLen;
+    
+	while(TotalLength > 0)
+	{
+		
+//		HttpDebug("TotalLength = %d\n\r",TotalLength);
+		content->uLength = ((TotalLength < 1000) ? (TotalLength):(1000));		
+        buffer1 = (uint8_t*)realloc(buffer1, content->uLength);
+		if(buffer1 == NULL)
+		{
+			HttpDebug("buffer1 = NULL Error \n\r");
+			bRetVal = 0;
+			goto end;
+		}
+		content->pData = buffer1;
+
+		/* if got here than it is a GET method
+		HttpResponse_Headers() responds to client with status HTTP_STATUS_OK */
+		if(_cc3100Module._fs.sl_FsRead(glFileHandle, Offset, (unsigned char *) content->pData, content->uLength) < 0)
+		{
+			/* call HttpResponse_CannedError responds to client with 500 ERROR_INTERNAL  */
+			if(!HttpResponse_CannedError(request->uConnection, HTTP_STATUS_ERROR_NOT_ACCEPTED))
+			{
+				HttpDebug("500 ERROR_INTERNAL Error \n\r");
+				bRetVal = 0;
+				goto end;
+			}
+			else
+			{
+				bRetVal = 1;
+				goto end;
+			}
+		}
+		else
+		{
+			if(!HeaderFlag)
+			{
+				if(!HttpResponse_Headers(request->uConnection, (uint16_t)HTTP_STATUS_OK, NULL,TotalLength, contentType, location))
+				{
+					HttpDebug("HeaderFlag Error \n\r");
+					bRetVal = 0;
+					goto end;
+				}
+				HeaderFlag = 1;
+			}
+
+			/* HttpResponse_Content() sends requested page to the client */
+			if(!HttpResponse_Content(request->uConnection, *content))
+			{
+				HttpDebug("HttpResponse_Content Error \n\r");
+				bRetVal = 0;
+				goto end;
+			}
+		}
+
+		TotalLength -= content->uLength;
+		Offset += content->uLength;
+	}
+
+	_cc3100Module._fs.sl_FsClose(glFileHandle,0,0,0);
+end:
+	if(buffer1 != NULL)
+	{
+		free(buffer1);
+	}
+	free(content);
+
+	return bRetVal;
+}
+
+/// @}
+
+#endif // HTTP_CORE_ENABLE_STATIC
+