HTTP Client data container for form(multipart/form-data)
Dependencies: mbed EthernetInterface HTTPClient mbed-rtos
HTTPPoster.cpp@1:77c616a1ab54, 2012-08-28 (annotated)
- Committer:
- va009039
- Date:
- Tue Aug 28 14:39:29 2012 +0000
- Revision:
- 1:77c616a1ab54
- Parent:
- 0:fcd577a3925b
update to using new HTTPClient
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 1:77c616a1ab54 | 1 | /* HTTPPoster.cpp */ |
va009039 | 0:fcd577a3925b | 2 | |
va009039 | 1:77c616a1ab54 | 3 | //Debug is disabled by default |
va009039 | 1:77c616a1ab54 | 4 | #if 1 |
va009039 | 1:77c616a1ab54 | 5 | //Enable debug |
va009039 | 1:77c616a1ab54 | 6 | #include <cstdio> |
va009039 | 1:77c616a1ab54 | 7 | #define DBG(x, ...) std::printf("[HTTPPoster : DBG]"x"\r\n", ##__VA_ARGS__); |
va009039 | 1:77c616a1ab54 | 8 | //#define DBG(x, ...) |
va009039 | 1:77c616a1ab54 | 9 | #define WARN(x, ...) std::printf("[HTTPPoster : WARN]"x"\r\n", ##__VA_ARGS__); |
va009039 | 1:77c616a1ab54 | 10 | #define ERR(x, ...) std::printf("[HTTPPoster : ERR]"x"\r\n", ##__VA_ARGS__); |
va009039 | 1:77c616a1ab54 | 11 | |
va009039 | 1:77c616a1ab54 | 12 | #else |
va009039 | 1:77c616a1ab54 | 13 | //Disable debug |
va009039 | 1:77c616a1ab54 | 14 | #define DBG(x, ...) |
va009039 | 1:77c616a1ab54 | 15 | #define WARN(x, ...) |
va009039 | 1:77c616a1ab54 | 16 | #define ERR(x, ...) |
va009039 | 1:77c616a1ab54 | 17 | |
va009039 | 1:77c616a1ab54 | 18 | #endif |
va009039 | 0:fcd577a3925b | 19 | |
va009039 | 0:fcd577a3925b | 20 | #include "HTTPPoster.h" |
va009039 | 1:77c616a1ab54 | 21 | |
va009039 | 1:77c616a1ab54 | 22 | #define OK 0 |
va009039 | 0:fcd577a3925b | 23 | |
va009039 | 0:fcd577a3925b | 24 | ///HTTP Client data container for form(multipart/form-data) |
va009039 | 0:fcd577a3925b | 25 | HTTPPoster::HTTPPoster() |
va009039 | 0:fcd577a3925b | 26 | { |
va009039 | 0:fcd577a3925b | 27 | m_cur = 0; |
va009039 | 0:fcd577a3925b | 28 | m_seq = 0; |
va009039 | 0:fcd577a3925b | 29 | m_send_len = 0; |
va009039 | 0:fcd577a3925b | 30 | m_fp = NULL; |
va009039 | 0:fcd577a3925b | 31 | m_post_data.clear(); |
va009039 | 0:fcd577a3925b | 32 | m_buf.clear(); |
va009039 | 1:77c616a1ab54 | 33 | m_boundary = "----HTTPPoster123"; |
va009039 | 0:fcd577a3925b | 34 | m_ContentType = "multipart/form-data; boundary="; |
va009039 | 0:fcd577a3925b | 35 | m_ContentType += m_boundary; |
va009039 | 0:fcd577a3925b | 36 | } |
va009039 | 0:fcd577a3925b | 37 | |
va009039 | 0:fcd577a3925b | 38 | HTTPPoster::~HTTPPoster() |
va009039 | 0:fcd577a3925b | 39 | { |
va009039 | 0:fcd577a3925b | 40 | if (m_fp) { |
va009039 | 0:fcd577a3925b | 41 | fclose(m_fp); |
va009039 | 0:fcd577a3925b | 42 | m_fp = NULL; |
va009039 | 0:fcd577a3925b | 43 | } |
va009039 | 0:fcd577a3925b | 44 | } |
va009039 | 0:fcd577a3925b | 45 | |
va009039 | 0:fcd577a3925b | 46 | bool HTTPPoster::addFile(const char* name, const char* path) |
va009039 | 0:fcd577a3925b | 47 | { |
va009039 | 0:fcd577a3925b | 48 | struct stpost data; |
va009039 | 0:fcd577a3925b | 49 | |
va009039 | 0:fcd577a3925b | 50 | m_fp = fopen(path, "rb"); |
va009039 | 0:fcd577a3925b | 51 | if (m_fp == NULL) { |
va009039 | 0:fcd577a3925b | 52 | return false; |
va009039 | 0:fcd577a3925b | 53 | } |
va009039 | 0:fcd577a3925b | 54 | fseek(m_fp, 0, SEEK_END); |
va009039 | 0:fcd577a3925b | 55 | data.length = ftell(m_fp); |
va009039 | 0:fcd577a3925b | 56 | fclose(m_fp); |
va009039 | 0:fcd577a3925b | 57 | |
va009039 | 0:fcd577a3925b | 58 | string head = "Content-Disposition: form-data; name=\""; |
va009039 | 0:fcd577a3925b | 59 | head += name; |
va009039 | 0:fcd577a3925b | 60 | head += "\"; filename=\""; |
va009039 | 0:fcd577a3925b | 61 | head += path; |
va009039 | 0:fcd577a3925b | 62 | head += "\""; |
va009039 | 0:fcd577a3925b | 63 | |
va009039 | 0:fcd577a3925b | 64 | data.head = head; |
va009039 | 0:fcd577a3925b | 65 | data.value = path; |
va009039 | 0:fcd577a3925b | 66 | data.file = true; |
va009039 | 0:fcd577a3925b | 67 | m_post_data.push_back(data); |
va009039 | 0:fcd577a3925b | 68 | return true; |
va009039 | 0:fcd577a3925b | 69 | } |
va009039 | 0:fcd577a3925b | 70 | |
va009039 | 0:fcd577a3925b | 71 | bool HTTPPoster::add(const char* name, const char* value) |
va009039 | 0:fcd577a3925b | 72 | { |
va009039 | 0:fcd577a3925b | 73 | struct stpost data; |
va009039 | 0:fcd577a3925b | 74 | |
va009039 | 0:fcd577a3925b | 75 | string head = "Content-Disposition: form-data; name=\""; |
va009039 | 0:fcd577a3925b | 76 | head += name; |
va009039 | 0:fcd577a3925b | 77 | head += "\""; |
va009039 | 0:fcd577a3925b | 78 | |
va009039 | 0:fcd577a3925b | 79 | data.head = head; |
va009039 | 0:fcd577a3925b | 80 | data.value = value; |
va009039 | 0:fcd577a3925b | 81 | data.length = strlen(value); |
va009039 | 0:fcd577a3925b | 82 | data.file = false; |
va009039 | 0:fcd577a3925b | 83 | m_post_data.push_back(data); |
va009039 | 0:fcd577a3925b | 84 | return true; |
va009039 | 0:fcd577a3925b | 85 | } |
va009039 | 0:fcd577a3925b | 86 | |
va009039 | 1:77c616a1ab54 | 87 | /*virtual*/ int HTTPPoster::read(char* buf, size_t len, size_t* pReadLen) |
va009039 | 0:fcd577a3925b | 88 | { |
va009039 | 0:fcd577a3925b | 89 | int c; |
va009039 | 0:fcd577a3925b | 90 | switch(m_seq) { |
va009039 | 0:fcd577a3925b | 91 | case 0: |
va009039 | 0:fcd577a3925b | 92 | if (m_cur >= m_post_data.size()) { |
va009039 | 0:fcd577a3925b | 93 | m_buf += "--"; |
va009039 | 0:fcd577a3925b | 94 | m_buf += m_boundary; |
va009039 | 0:fcd577a3925b | 95 | m_buf += "--\r\n"; |
va009039 | 0:fcd577a3925b | 96 | m_seq = 4; // done |
va009039 | 0:fcd577a3925b | 97 | } else { |
va009039 | 0:fcd577a3925b | 98 | m_buf += "--"; |
va009039 | 0:fcd577a3925b | 99 | m_buf += m_boundary; |
va009039 | 0:fcd577a3925b | 100 | m_buf += "\r\n"; |
va009039 | 0:fcd577a3925b | 101 | m_seq++; |
va009039 | 0:fcd577a3925b | 102 | } |
va009039 | 0:fcd577a3925b | 103 | break; |
va009039 | 0:fcd577a3925b | 104 | case 1: |
va009039 | 0:fcd577a3925b | 105 | m_buf += m_post_data[m_cur].head; |
va009039 | 0:fcd577a3925b | 106 | m_buf += "\r\n\r\n"; |
va009039 | 0:fcd577a3925b | 107 | if (m_post_data[m_cur].file) { |
va009039 | 0:fcd577a3925b | 108 | m_fp = fopen(m_post_data[m_cur].value.c_str(), "rb"); |
va009039 | 0:fcd577a3925b | 109 | } |
va009039 | 0:fcd577a3925b | 110 | m_pos = 0; |
va009039 | 0:fcd577a3925b | 111 | m_seq++; |
va009039 | 0:fcd577a3925b | 112 | break; |
va009039 | 0:fcd577a3925b | 113 | case 2: |
va009039 | 0:fcd577a3925b | 114 | for(int i = 0; i < len; i++) { |
va009039 | 0:fcd577a3925b | 115 | if (m_buf.size() >= len) { |
va009039 | 0:fcd577a3925b | 116 | break; |
va009039 | 0:fcd577a3925b | 117 | } |
va009039 | 0:fcd577a3925b | 118 | if (m_pos >= m_post_data[m_cur].length) { |
va009039 | 0:fcd577a3925b | 119 | m_seq++; |
va009039 | 0:fcd577a3925b | 120 | break; |
va009039 | 0:fcd577a3925b | 121 | } |
va009039 | 0:fcd577a3925b | 122 | if (m_post_data[m_cur].file) { |
va009039 | 0:fcd577a3925b | 123 | c = fgetc(m_fp); |
va009039 | 0:fcd577a3925b | 124 | } else { |
va009039 | 0:fcd577a3925b | 125 | c = m_post_data[m_cur].value[m_pos]; |
va009039 | 0:fcd577a3925b | 126 | } |
va009039 | 0:fcd577a3925b | 127 | m_buf += (char)c; |
va009039 | 0:fcd577a3925b | 128 | m_pos++; |
va009039 | 0:fcd577a3925b | 129 | } |
va009039 | 0:fcd577a3925b | 130 | break; |
va009039 | 0:fcd577a3925b | 131 | case 3: |
va009039 | 0:fcd577a3925b | 132 | m_buf += "\r\n"; |
va009039 | 0:fcd577a3925b | 133 | if (m_fp) { |
va009039 | 0:fcd577a3925b | 134 | fclose(m_fp); |
va009039 | 0:fcd577a3925b | 135 | m_fp = NULL; |
va009039 | 0:fcd577a3925b | 136 | } |
va009039 | 0:fcd577a3925b | 137 | m_cur++; |
va009039 | 0:fcd577a3925b | 138 | m_seq = 0; |
va009039 | 0:fcd577a3925b | 139 | break; |
va009039 | 0:fcd577a3925b | 140 | default: // done |
va009039 | 0:fcd577a3925b | 141 | break; |
va009039 | 0:fcd577a3925b | 142 | } |
va009039 | 0:fcd577a3925b | 143 | int len2 = m_buf.size(); |
va009039 | 0:fcd577a3925b | 144 | if (len2 > len) { |
va009039 | 0:fcd577a3925b | 145 | len2 = len; |
va009039 | 0:fcd577a3925b | 146 | } |
va009039 | 0:fcd577a3925b | 147 | memcpy(buf, m_buf.data(), len2); |
va009039 | 0:fcd577a3925b | 148 | m_buf.erase(0, len2); |
va009039 | 0:fcd577a3925b | 149 | m_send_len += len2; |
va009039 | 1:77c616a1ab54 | 150 | DBG("m_len=%d m_send_len=%d len=%d len2=%d", m_len, m_send_len, len, len2); |
va009039 | 1:77c616a1ab54 | 151 | *pReadLen = len2; |
va009039 | 1:77c616a1ab54 | 152 | return OK; |
va009039 | 0:fcd577a3925b | 153 | } |
va009039 | 0:fcd577a3925b | 154 | |
va009039 | 1:77c616a1ab54 | 155 | /*virtual*/ int HTTPPoster::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header |
va009039 | 0:fcd577a3925b | 156 | { |
va009039 | 1:77c616a1ab54 | 157 | if (m_ContentType.length() >= maxTypeLen) { |
va009039 | 1:77c616a1ab54 | 158 | WARN("maxTypeLen=%d", maxTypeLen); |
va009039 | 1:77c616a1ab54 | 159 | WARN("m_ContentType.length()=%d", m_ContentType.length()); |
va009039 | 1:77c616a1ab54 | 160 | return !OK; |
va009039 | 1:77c616a1ab54 | 161 | } |
va009039 | 1:77c616a1ab54 | 162 | strcpy(type, m_ContentType.c_str()); |
va009039 | 1:77c616a1ab54 | 163 | return OK; |
va009039 | 0:fcd577a3925b | 164 | } |
va009039 | 0:fcd577a3925b | 165 | |
va009039 | 1:77c616a1ab54 | 166 | /*virtual*/ bool HTTPPoster::getIsChunked() //For Transfer-Encoding header |
va009039 | 1:77c616a1ab54 | 167 | { |
va009039 | 1:77c616a1ab54 | 168 | return false; ////Data is computed one key/value pair at a time |
va009039 | 1:77c616a1ab54 | 169 | } |
va009039 | 1:77c616a1ab54 | 170 | |
va009039 | 1:77c616a1ab54 | 171 | /*virtual*/ size_t HTTPPoster::getDataLen() //For Content-Length header |
va009039 | 0:fcd577a3925b | 172 | { |
va009039 | 0:fcd577a3925b | 173 | m_len = 0; |
va009039 | 0:fcd577a3925b | 174 | for(int i = 0; i < m_post_data.size(); i++) { |
va009039 | 0:fcd577a3925b | 175 | m_len += 2 + strlen(m_boundary) + 2; // "--" boundary CRLF |
va009039 | 0:fcd577a3925b | 176 | m_len += m_post_data[i].head.size() + 2; // Content-Disposition: ... CRLF |
va009039 | 0:fcd577a3925b | 177 | m_len += 2; // CRLF |
va009039 | 0:fcd577a3925b | 178 | m_len += m_post_data[i].length; // value / file body |
va009039 | 0:fcd577a3925b | 179 | m_len += 2; // CRLF |
va009039 | 0:fcd577a3925b | 180 | } |
va009039 | 0:fcd577a3925b | 181 | m_len += 2 + strlen(m_boundary) + 2 + 2; // "--" boundary "--" CRLF |
va009039 | 0:fcd577a3925b | 182 | return m_len; |
va009039 | 0:fcd577a3925b | 183 | } |