Sivan Toledo / Mbed 2 deprecated Sync

Student project by David Berlin and Boris Dogadov made for the Embedded Systems Workshop course given in Tel-Aviv University on 2010 by Sivan Toledo. Visit the project website for more details: http://davidberlin.co.il/sadna/ .

Dependencies:   EthernetNetIf NTPClient_NetServices mbed HTTPServer HTTPClient CyaSSL

Dropbox/HTTPFileSender.cpp@1:b05231650f32, 2011-04-25 (annotated)

Committer:
sivan_toledo
Date:
Mon Apr 25 12:31:46 2011 +0000
Revision:
1:b05231650f32
Parent:
0:3e7d6f496a67 

        

        
Who changed what in which revision?

        

            
                
UserRevisionLine numberNew contents of line

            
            


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#include "HTTPFileSender.h"





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#include "USBHost.h"





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char HTTPFileSender::header[] = "";





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char HTTPFileSender::footer[] = "\r\n\r\n--R50hrfBj5JYyfR3vF3wR96GPCC9Fd2q2pVMERvEaOE3D8LZTgLLbRpNwXek3--\r\n";





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HTTPFileSender::HTTPFileSender(const char *fileName, const char *dstFile)





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{





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    pos = 0;





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    printf("Opening %s\n\r", fileName);





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    file = fopen(fileName, "r");





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    printf("Opened %d\n\r", file);





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    fseek(file, 0L, SEEK_END);





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    printf("seek1\r\n");





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    fileLen = ftell(file);





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    printf("seek2\r\n");





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    fseek(file, 0L, SEEK_SET);





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    printf("Size %d\n\r", fileLen);





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    /*string dst = dstFile;





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    string h = ;





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    memcpy(header, h.c_str(), sizeof(header));*/





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    sprintf(header, "--R50hrfBj5JYyfR3vF3wR96GPCC9Fd2q2pVMERvEaOE3D8LZTgLLbRpNwXek3\r\nContent-Disposition: form-data; name=file; filename=%s\r\nContent-type: application/octet-stream\r\n\r\n", dstFile);





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    headerSize = strlen(header);





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    footerSize = strlen(footer);





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    totalLen = fileLen + strlen(header) + strlen(footer);





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}





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HTTPFileSender::~HTTPFileSender()





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{





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    fclose(file);





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    printf("file %d closed\r\n", file);





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}





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int HTTPFileSender::read(char* buf, int len)





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{





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    //printf("read requested %d bytes from file %d\n\r", len, file);





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    int dataSent = 0;





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    //printf("Header: %d, Footer: %d\r\n", headerSize, footerSize);





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    if (pos >= totalLen)





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    {





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        printf("End of file\n\r");





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        return 0;





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    }





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    if (pos < headerSize)





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    {





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        int bytesToCopy = headerSize - pos;





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        memcpy(buf, header + pos, bytesToCopy);





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        dataSent += bytesToCopy;





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        pos += bytesToCopy;





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        //printf("transfer header %d\r\n", bytesToCopy);





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    }





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    //printf("Before content: %d %d\r\n", pos, dataSent);





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    if (pos >= headerSize &&





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        pos < (headerSize + fileLen))





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    {





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        int bytesRead = fread(buf + dataSent, 1, len - dataSent, file);





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        dataSent += bytesRead;





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        pos += bytesRead;





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       // printf("transfer content %d\r\n", bytesRead);





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    }





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   // printf("Before footer: %d %d\n\r", pos, dataSent);





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    if (dataSent < len &&





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        pos >= (headerSize + fileLen) &&





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        pos < (headerSize + fileLen + footerSize))





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    {





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        int posInFooter = pos - fileLen - headerSize;





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        int bytesToCopy = min(footerSize - posInFooter, len - dataSent);





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        memcpy(buf + dataSent, footer + posInFooter, bytesToCopy);





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        dataSent += bytesToCopy;





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        pos += bytesToCopy;





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       // printf("transfer footer %d\r\n", bytesToCopy);





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    }





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    //printf("After: %d %d\r\n", pos, dataSent);





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    //int result = fread(buf, 1, len, file);





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    //printf("read %s %d bytes\r\n", buf, dataSent);





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    if (pos % 1024 == 0) printf("read %d bytes pos %d\r\n", dataSent, pos);





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    return dataSent;





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}





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string HTTPFileSender::getDataType()





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{





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   // printf("data type read\n\r");





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    return "multipart/form-data; boundary=R50hrfBj5JYyfR3vF3wR96GPCC9Fd2q2pVMERvEaOE3D8LZTgLLbRpNwXek3";





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}





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int HTTPFileSender::getDataLen() 





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{ 





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   // printf("get data len %d\n\r", totalLen);





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    return totalLen; 





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}





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void HTTPFileSender::clear() { }





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int HTTPFileSender::write(const char* buf, int len)  { return 0; }





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void HTTPFileSender::setDataType(const string& type) { } 





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bool HTTPFileSender::getIsChunked() { return false; }





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void HTTPFileSender::setIsChunked(bool chunked) { }





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void HTTPFileSender::setDataLen(int len)  { }