Norimasa Okamoto / Mbed 2 deprecated HTTPPoster

HTTP Client data container for form(multipart/form-data)

Dependencies:   mbed EthernetInterface HTTPClient mbed-rtos

HTTPPoster.cpp@0:fcd577a3925b, 2012-05-31 (annotated)

Committer:
va009039
Date:
Thu May 31 10:32:39 2012 +0000
Revision:
0:fcd577a3925b
Child:
1:77c616a1ab54

        

        
Who changed what in which revision?

        

            
                
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/*





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Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)





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Permission is hereby granted, free of charge, to any person obtaining a copy





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of this software and associated documentation files (the "Software"), to deal





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in the Software without restriction, including without limitation the rights





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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell





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copies of the Software, and to permit persons to whom the Software is





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furnished to do so, subject to the following conditions:





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The above copyright notice and this permission notice shall be included in





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all copies or substantial portions of the Software.





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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR





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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,





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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE





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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER





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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,





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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN





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THE SOFTWARE.





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*/





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#include "HTTPPoster.h"





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//#define __DEBUG





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//#include "mydbg.h"





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#include "dbg/dbg.h"





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///HTTP Client data container for form(multipart/form-data)





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HTTPPoster::HTTPPoster()





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{





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    DBG("\n");





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    m_cur = 0;





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    m_seq = 0;





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    m_send_len = 0;





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    m_fp = NULL;





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    m_post_data.clear();





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    m_buf.clear();





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    m_boundary = "----mbedHTTPClientPoster";





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    m_ContentType = "multipart/form-data; boundary="; 





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    m_ContentType += m_boundary;





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}





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HTTPPoster::~HTTPPoster()





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{





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    DBG("m_post_data.size()=%d\n", m_post_data.size());





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    if (m_fp) {





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        fclose(m_fp);





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        m_fp = NULL;





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    }





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}





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bool HTTPPoster::addFile(const char* name, const char* path)





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{





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    DBG("%p name=%s path=%s\n", this, name, path);





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    struct stpost data;





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    m_fp = fopen(path, "rb");





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    if (m_fp == NULL) {





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        return false;





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    }





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    fseek(m_fp, 0, SEEK_END);





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    data.length = ftell(m_fp);





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    fclose(m_fp);





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    string head = "Content-Disposition: form-data; name=\"";





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    head += name;





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    head += "\"; filename=\"";





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    head += path; 





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    head += "\"";





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    data.head = head;





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    data.value = path;





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    data.file = true;





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    m_post_data.push_back(data);





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    return true;





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}





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bool HTTPPoster::add(const char* name, const char* value)





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{





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    DBG("%p name=%s value=%s\n", this, name, value);





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    struct stpost data;





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    string head = "Content-Disposition: form-data; name=\"";





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    head += name;





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    head += "\"";





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    data.head = head;





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    data.value = value;





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    data.length = strlen(value);    





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    data.file = false;





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    m_post_data.push_back(data);





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    return true;





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}





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





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{





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    //DBG("buf=%p len=%d\n", buf, len);





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    int c;





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    switch(m_seq) {





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        case 0:





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            if (m_cur >= m_post_data.size()) {





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                m_buf += "--";





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                m_buf += m_boundary;





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                m_buf += "--\r\n";





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                m_seq = 4; // done





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            } else {





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                m_buf += "--";





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                m_buf += m_boundary;





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                m_buf += "\r\n";





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                m_seq++;





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            }





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            break;





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        case 1:





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            m_buf += m_post_data[m_cur].head;





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            m_buf += "\r\n\r\n";





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            if (m_post_data[m_cur].file) {





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                m_fp = fopen(m_post_data[m_cur].value.c_str(), "rb");





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            }





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            m_pos = 0;





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            m_seq++;





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            break;





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        case 2:





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            for(int i = 0; i < len; i++) {





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                if (m_buf.size() >= len) {





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                    break;





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                }





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                if (m_pos >= m_post_data[m_cur].length) {





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                    m_seq++;





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                    break;





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                }





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                if (m_post_data[m_cur].file) {





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                    c = fgetc(m_fp);





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                } else {





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                    c = m_post_data[m_cur].value[m_pos];





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                }





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                m_buf += (char)c;





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                m_pos++;





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            }





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            break;            





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        case 3:





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            m_buf += "\r\n";





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            if (m_fp) {





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                fclose(m_fp);





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                m_fp = NULL;





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            }





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            m_cur++;





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            m_seq = 0;





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            break;





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        default: // done





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            break;





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    }





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    int len2 = m_buf.size();





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    if (len2 > len) {





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        len2 = len;





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    }





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    memcpy(buf, m_buf.data(), len2);





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    m_buf.erase(0, len2);





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    m_send_len += len2;





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    DBG("m_len=%d m_send_len=%d len=%d len2=%d\n", m_len, m_send_len, len, len2);





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    //DBG_HEX((uint8_t*)buf, len2);





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    return len2;





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}





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string HTTPPoster::getDataType() //Internet media type for Content-Type header





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{





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    DBG("%s\n", m_ContentType.c_str());





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    return m_ContentType;





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}





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int HTTPPoster::getDataLen() //For Content-Length header





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{





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    m_len = 0;





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    for(int i = 0; i < m_post_data.size(); i++) {





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        m_len += 2 + strlen(m_boundary) + 2;      // "--" boundary CRLF





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        m_len += m_post_data[i].head.size() + 2; // Content-Disposition: ... CRLF





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        m_len += 2;                               // CRLF  





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        m_len += m_post_data[i].length;           // value / file body





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        m_len += 2;                               // CRLF





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        DBG("%d m_len=%d\n", i, m_len);





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    }





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    m_len += 2 + strlen(m_boundary) + 2 + 2;   // "--" boundary "--" CRLF





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    return m_len;





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}