DownloadFile.h

00001 #ifndef _DOWNLOAD_FILE_H_
00002 #define _DOWNLOAD_FILE_H_
00003 
00004 #include <stdio.h>
00005 #include <string>
00006 #include "mbed.h"
00007 #include "rtos.h"
00008 #include "NetworkInterface.h"
00009 #include "https_request.h"
00010 #include "http_request.h"
00011 
00012 class DownloadFile
00013 {
00014     public:
00015         DownloadFile(NetworkInterface* nw, const char * file = NULL, const char * capem = NULL)
00016             :network(nw), 
00017             filename(file), 
00018             pem(capem), 
00019             useSSL(capem != NULL), 
00020             fp(NULL), 
00021             size_written(0), 
00022             get_req_ssl(NULL),
00023             get_req(NULL)
00024         {
00025             if (filename)
00026             {
00027                 fp = fopen(file, "w+");
00028                 if (fp != NULL)
00029                     printf("File open successfull!\r\n");
00030             }
00031         }
00032         
00033         virtual ~DownloadFile()
00034         {
00035             if (fp != NULL) 
00036                 fclose(fp);
00037             
00038             // HttpsRequest destructor also free's up
00039             // the HttpsResult ... so it must be consumed
00040             // before this class goes out of scope
00041             if(get_req)
00042                 delete get_req;
00043             if(get_req_ssl)
00044                 delete get_req_ssl;
00045         }
00046  
00047         HttpResponse* get_file(const char * url);
00048         
00049         std::string get_file_content();
00050         
00051         const char * get_filename()
00052         {
00053             return filename;
00054         }
00055             
00056         size_t get_written_size() {
00057             return size_written;
00058         }
00059         
00060         void basic_auth(const char * user, const char * password);
00061 
00062         
00063     protected:
00064         void body_callback(const char* data, size_t data_len);
00065         
00066     private:
00067         NetworkInterface* network;
00068         const char * filename;
00069         const char * pem; 
00070         bool useSSL;
00071         FILE * fp;
00072         size_t size_written;
00073         std::string authstr;
00074         
00075         HttpsRequest* get_req_ssl;
00076         HttpRequest* get_req;
00077 };
00078 
00079 #endif
00080