Customized HTTPClient
Fork of HTTPClient by
HTTPClient.cpp@21:725b3b105601, 2015-02-10 (annotated)
- Committer:
- komoritan
- Date:
- Tue Feb 10 12:26:21 2015 +0000
- Revision:
- 21:725b3b105601
- Parent:
- 20:f020c92bd1a2
Debug code
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
donatien | 0:2ccb9960a044 | 1 | /* HTTPClient.cpp */ |
donatien | 10:e1351de84c16 | 2 | /* Copyright (C) 2012 mbed.org, MIT License |
donatien | 10:e1351de84c16 | 3 | * |
donatien | 10:e1351de84c16 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
donatien | 10:e1351de84c16 | 5 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
donatien | 10:e1351de84c16 | 6 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
donatien | 10:e1351de84c16 | 7 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
donatien | 10:e1351de84c16 | 8 | * furnished to do so, subject to the following conditions: |
donatien | 10:e1351de84c16 | 9 | * |
donatien | 10:e1351de84c16 | 10 | * The above copyright notice and this permission notice shall be included in all copies or |
donatien | 10:e1351de84c16 | 11 | * substantial portions of the Software. |
donatien | 10:e1351de84c16 | 12 | * |
donatien | 10:e1351de84c16 | 13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
donatien | 10:e1351de84c16 | 14 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
donatien | 10:e1351de84c16 | 15 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
donatien | 10:e1351de84c16 | 16 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
donatien | 10:e1351de84c16 | 17 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
donatien | 10:e1351de84c16 | 18 | */ |
donatien | 0:2ccb9960a044 | 19 | |
donatien | 7:4e39864f7b15 | 20 | //Debug is disabled by default |
donatien | 16:1f743885e7de | 21 | #if 0 |
donatien | 12:89d09a6db00a | 22 | //Enable debug |
donatien | 11:390362de8c3f | 23 | #include <cstdio> |
donatien | 16:1f743885e7de | 24 | #define DBG(x, ...) std::printf("[HTTPClient : DBG]"x"\r\n", ##__VA_ARGS__); |
donatien | 11:390362de8c3f | 25 | #define WARN(x, ...) std::printf("[HTTPClient : WARN]"x"\r\n", ##__VA_ARGS__); |
donatien | 11:390362de8c3f | 26 | #define ERR(x, ...) std::printf("[HTTPClient : ERR]"x"\r\n", ##__VA_ARGS__); |
donatien | 12:89d09a6db00a | 27 | |
donatien | 12:89d09a6db00a | 28 | #else |
donatien | 12:89d09a6db00a | 29 | //Disable debug |
donatien | 12:89d09a6db00a | 30 | #define DBG(x, ...) |
donatien | 12:89d09a6db00a | 31 | #define WARN(x, ...) |
donatien | 12:89d09a6db00a | 32 | #define ERR(x, ...) |
donatien | 12:89d09a6db00a | 33 | |
donatien | 7:4e39864f7b15 | 34 | #endif |
donatien | 0:2ccb9960a044 | 35 | |
donatien | 0:2ccb9960a044 | 36 | #define HTTP_PORT 80 |
donatien | 0:2ccb9960a044 | 37 | |
donatien | 11:390362de8c3f | 38 | #define OK 0 |
donatien | 11:390362de8c3f | 39 | |
donatien | 11:390362de8c3f | 40 | #define MIN(x,y) (((x)<(y))?(x):(y)) |
donatien | 11:390362de8c3f | 41 | #define MAX(x,y) (((x)>(y))?(x):(y)) |
donatien | 11:390362de8c3f | 42 | |
donatien | 0:2ccb9960a044 | 43 | #define CHUNK_SIZE 256 |
ban4jp | 19:b09072f8c133 | 44 | #define HEADER_KEY_MAXLENGTH 34 |
ban4jp | 20:f020c92bd1a2 | 45 | #define HEADER_VALUE_MAXLENGTH 64 |
donatien | 0:2ccb9960a044 | 46 | |
donatien | 0:2ccb9960a044 | 47 | #include <cstring> |
donatien | 0:2ccb9960a044 | 48 | |
donatien | 11:390362de8c3f | 49 | #include "HTTPClient.h" |
donatien | 11:390362de8c3f | 50 | |
donatien | 0:2ccb9960a044 | 51 | HTTPClient::HTTPClient() : |
donatien | 7:4e39864f7b15 | 52 | m_sock(), m_basicAuthUser(NULL), m_basicAuthPassword(NULL), m_httpResponseCode(0) |
donatien | 0:2ccb9960a044 | 53 | { |
donatien | 0:2ccb9960a044 | 54 | |
donatien | 0:2ccb9960a044 | 55 | } |
donatien | 0:2ccb9960a044 | 56 | |
donatien | 0:2ccb9960a044 | 57 | HTTPClient::~HTTPClient() |
donatien | 0:2ccb9960a044 | 58 | { |
donatien | 0:2ccb9960a044 | 59 | |
donatien | 0:2ccb9960a044 | 60 | } |
donatien | 0:2ccb9960a044 | 61 | |
donatien | 0:2ccb9960a044 | 62 | #if 0 |
donatien | 0:2ccb9960a044 | 63 | void HTTPClient::basicAuth(const char* user, const char* password) //Basic Authentification |
donatien | 0:2ccb9960a044 | 64 | { |
donatien | 0:2ccb9960a044 | 65 | m_basicAuthUser = user; |
donatien | 0:2ccb9960a044 | 66 | m_basicAuthPassword = password; |
donatien | 0:2ccb9960a044 | 67 | } |
donatien | 0:2ccb9960a044 | 68 | #endif |
donatien | 0:2ccb9960a044 | 69 | |
donatien | 12:89d09a6db00a | 70 | HTTPResult HTTPClient::get(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking |
donatien | 0:2ccb9960a044 | 71 | { |
komoritan | 21:725b3b105601 | 72 | return connect(url, HTTP_GET, NULL, pDataIn, HTTP_CLIENT_DEFAULT_TIMEOUT); |
donatien | 0:2ccb9960a044 | 73 | } |
donatien | 0:2ccb9960a044 | 74 | |
donatien | 12:89d09a6db00a | 75 | HTTPResult HTTPClient::get(const char* url, char* result, size_t maxResultLen, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking |
donatien | 0:2ccb9960a044 | 76 | { |
donatien | 0:2ccb9960a044 | 77 | HTTPText str(result, maxResultLen); |
donatien | 0:2ccb9960a044 | 78 | return get(url, &str, timeout); |
donatien | 0:2ccb9960a044 | 79 | } |
donatien | 0:2ccb9960a044 | 80 | |
donatien | 12:89d09a6db00a | 81 | HTTPResult HTTPClient::post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking |
donatien | 0:2ccb9960a044 | 82 | { |
donatien | 0:2ccb9960a044 | 83 | return connect(url, HTTP_POST, (IHTTPDataOut*)&dataOut, pDataIn, timeout); |
donatien | 0:2ccb9960a044 | 84 | } |
donatien | 0:2ccb9960a044 | 85 | |
donatien | 16:1f743885e7de | 86 | HTTPResult HTTPClient::put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking |
donatien | 16:1f743885e7de | 87 | { |
donatien | 16:1f743885e7de | 88 | return connect(url, HTTP_PUT, (IHTTPDataOut*)&dataOut, pDataIn, timeout); |
donatien | 16:1f743885e7de | 89 | } |
donatien | 16:1f743885e7de | 90 | |
donatien | 16:1f743885e7de | 91 | HTTPResult HTTPClient::del(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking |
donatien | 16:1f743885e7de | 92 | { |
donatien | 16:1f743885e7de | 93 | return connect(url, HTTP_DELETE, NULL, pDataIn, timeout); |
donatien | 16:1f743885e7de | 94 | } |
donatien | 16:1f743885e7de | 95 | |
donatien | 16:1f743885e7de | 96 | |
donatien | 0:2ccb9960a044 | 97 | int HTTPClient::getHTTPResponseCode() |
donatien | 0:2ccb9960a044 | 98 | { |
donatien | 0:2ccb9960a044 | 99 | return m_httpResponseCode; |
donatien | 0:2ccb9960a044 | 100 | } |
donatien | 0:2ccb9960a044 | 101 | |
donatien | 5:791fc3dcb6c4 | 102 | #define CHECK_CONN_ERR(ret) \ |
donatien | 5:791fc3dcb6c4 | 103 | do{ \ |
donatien | 7:4e39864f7b15 | 104 | if(ret) { \ |
donatien | 7:4e39864f7b15 | 105 | m_sock.close(); \ |
komoritan | 21:725b3b105601 | 106 | printf("Connection error (%d)", ret); \ |
donatien | 5:791fc3dcb6c4 | 107 | ERR("Connection error (%d)", ret); \ |
donatien | 11:390362de8c3f | 108 | return HTTP_CONN; \ |
donatien | 5:791fc3dcb6c4 | 109 | } \ |
donatien | 5:791fc3dcb6c4 | 110 | } while(0) |
donatien | 5:791fc3dcb6c4 | 111 | |
donatien | 5:791fc3dcb6c4 | 112 | #define PRTCL_ERR() \ |
donatien | 5:791fc3dcb6c4 | 113 | do{ \ |
donatien | 7:4e39864f7b15 | 114 | m_sock.close(); \ |
komoritan | 21:725b3b105601 | 115 | printf("Protocol error"); \ |
donatien | 5:791fc3dcb6c4 | 116 | ERR("Protocol error"); \ |
donatien | 11:390362de8c3f | 117 | return HTTP_PRTCL; \ |
donatien | 5:791fc3dcb6c4 | 118 | } while(0) |
donatien | 0:2ccb9960a044 | 119 | |
donatien | 12:89d09a6db00a | 120 | HTTPResult HTTPClient::connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout) //Execute request |
donatien | 12:89d09a6db00a | 121 | { |
donatien | 0:2ccb9960a044 | 122 | m_httpResponseCode = 0; //Invalidate code |
donatien | 0:2ccb9960a044 | 123 | m_timeout = timeout; |
donatien | 16:1f743885e7de | 124 | |
donatien | 16:1f743885e7de | 125 | pDataIn->writeReset(); |
donatien | 16:1f743885e7de | 126 | if( pDataOut ) |
donatien | 16:1f743885e7de | 127 | { |
donatien | 16:1f743885e7de | 128 | pDataOut->readReset(); |
donatien | 16:1f743885e7de | 129 | } |
donatien | 0:2ccb9960a044 | 130 | |
donatien | 0:2ccb9960a044 | 131 | char scheme[8]; |
donatien | 0:2ccb9960a044 | 132 | uint16_t port; |
donatien | 0:2ccb9960a044 | 133 | char host[32]; |
donatien | 0:2ccb9960a044 | 134 | char path[64]; |
donatien | 0:2ccb9960a044 | 135 | //First we need to parse the url (http[s]://host[:port][/[path]]) -- HTTPS not supported (yet?) |
donatien | 11:390362de8c3f | 136 | HTTPResult res = parseURL(url, scheme, sizeof(scheme), host, sizeof(host), &port, path, sizeof(path)); |
donatien | 11:390362de8c3f | 137 | if(res != HTTP_OK) |
donatien | 0:2ccb9960a044 | 138 | { |
komoritan | 21:725b3b105601 | 139 | printf("not HTTP_OK"); |
donatien | 11:390362de8c3f | 140 | ERR("parseURL returned %d", res); |
donatien | 11:390362de8c3f | 141 | return res; |
donatien | 0:2ccb9960a044 | 142 | } |
donatien | 0:2ccb9960a044 | 143 | |
donatien | 0:2ccb9960a044 | 144 | if(port == 0) //TODO do handle HTTPS->443 |
donatien | 0:2ccb9960a044 | 145 | { |
donatien | 0:2ccb9960a044 | 146 | port = 80; |
donatien | 0:2ccb9960a044 | 147 | } |
donatien | 0:2ccb9960a044 | 148 | |
donatien | 0:2ccb9960a044 | 149 | DBG("Scheme: %s", scheme); |
komoritan | 21:725b3b105601 | 150 | printf("Host: %s\n", host); |
komoritan | 21:725b3b105601 | 151 | printf("Port: %d\n", port); |
donatien | 0:2ccb9960a044 | 152 | DBG("Path: %s", path); |
donatien | 0:2ccb9960a044 | 153 | |
donatien | 7:4e39864f7b15 | 154 | //Connect |
komoritan | 21:725b3b105601 | 155 | printf("Connecting socket to server "); |
donatien | 7:4e39864f7b15 | 156 | DBG("Connecting socket to server"); |
donatien | 11:390362de8c3f | 157 | int ret = m_sock.connect(host, port); |
donatien | 0:2ccb9960a044 | 158 | if (ret < 0) |
donatien | 0:2ccb9960a044 | 159 | { |
donatien | 7:4e39864f7b15 | 160 | m_sock.close(); |
komoritan | 21:725b3b105601 | 161 | printf("not Socket to server"); |
donatien | 0:2ccb9960a044 | 162 | ERR("Could not connect"); |
donatien | 11:390362de8c3f | 163 | return HTTP_CONN; |
donatien | 0:2ccb9960a044 | 164 | } |
donatien | 0:2ccb9960a044 | 165 | |
donatien | 0:2ccb9960a044 | 166 | //Send request |
komoritan | 21:725b3b105601 | 167 | printf("Sending request "); |
donatien | 0:2ccb9960a044 | 168 | DBG("Sending request"); |
donatien | 9:ff30cc189191 | 169 | char buf[CHUNK_SIZE]; |
donatien | 16:1f743885e7de | 170 | const char* meth = (method==HTTP_GET)?"GET":(method==HTTP_POST)?"POST":(method==HTTP_PUT)?"PUT":(method==HTTP_DELETE)?"DELETE":""; |
komoritan | 21:725b3b105601 | 171 | |
komoritan | 21:725b3b105601 | 172 | //snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\nHost: %s\r\n", meth, path, host); //Write request |
komoritan | 21:725b3b105601 | 173 | snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\nHost: %s:%d\r\n", meth, path, host, port); //Write request |
komoritan | 21:725b3b105601 | 174 | |
komoritan | 21:725b3b105601 | 175 | |
donatien | 9:ff30cc189191 | 176 | ret = send(buf); |
donatien | 0:2ccb9960a044 | 177 | if(ret) |
donatien | 0:2ccb9960a044 | 178 | { |
donatien | 7:4e39864f7b15 | 179 | m_sock.close(); |
komoritan | 21:725b3b105601 | 180 | printf("Could not write request "); |
donatien | 0:2ccb9960a044 | 181 | ERR("Could not write request"); |
donatien | 11:390362de8c3f | 182 | return HTTP_CONN; |
donatien | 0:2ccb9960a044 | 183 | } |
donatien | 0:2ccb9960a044 | 184 | |
donatien | 0:2ccb9960a044 | 185 | //Send all headers |
donatien | 0:2ccb9960a044 | 186 | |
donatien | 0:2ccb9960a044 | 187 | //Send default headers |
komoritan | 21:725b3b105601 | 188 | printf("Sending headers"); |
donatien | 0:2ccb9960a044 | 189 | DBG("Sending headers"); |
donatien | 16:1f743885e7de | 190 | if( pDataOut != NULL ) |
donatien | 0:2ccb9960a044 | 191 | { |
donatien | 0:2ccb9960a044 | 192 | if( pDataOut->getIsChunked() ) |
donatien | 0:2ccb9960a044 | 193 | { |
donatien | 0:2ccb9960a044 | 194 | ret = send("Transfer-Encoding: chunked\r\n"); |
donatien | 5:791fc3dcb6c4 | 195 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 196 | } |
donatien | 0:2ccb9960a044 | 197 | else |
donatien | 0:2ccb9960a044 | 198 | { |
donatien | 9:ff30cc189191 | 199 | snprintf(buf, sizeof(buf), "Content-Length: %d\r\n", pDataOut->getDataLen()); |
donatien | 9:ff30cc189191 | 200 | ret = send(buf); |
donatien | 5:791fc3dcb6c4 | 201 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 202 | } |
donatien | 0:2ccb9960a044 | 203 | char type[48]; |
donatien | 11:390362de8c3f | 204 | if( pDataOut->getDataType(type, 48) == HTTP_OK ) |
donatien | 0:2ccb9960a044 | 205 | { |
donatien | 9:ff30cc189191 | 206 | snprintf(buf, sizeof(buf), "Content-Type: %s\r\n", type); |
donatien | 9:ff30cc189191 | 207 | ret = send(buf); |
donatien | 5:791fc3dcb6c4 | 208 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 209 | } |
donatien | 17:679e15a3d3db | 210 | |
donatien | 17:679e15a3d3db | 211 | //Send specific headers |
donatien | 17:679e15a3d3db | 212 | while( pDataOut->getHeader(buf, sizeof(buf) - 3) ) //must have space left for CRLF + 0 terminating char |
donatien | 17:679e15a3d3db | 213 | { |
donatien | 17:679e15a3d3db | 214 | size_t headerlen = strlen(buf); |
donatien | 17:679e15a3d3db | 215 | snprintf(buf + headerlen, sizeof(buf) - headerlen, "\r\n"); |
donatien | 17:679e15a3d3db | 216 | ret = send(buf); |
donatien | 17:679e15a3d3db | 217 | CHECK_CONN_ERR(ret); |
donatien | 17:679e15a3d3db | 218 | } |
donatien | 17:679e15a3d3db | 219 | } |
donatien | 17:679e15a3d3db | 220 | |
donatien | 17:679e15a3d3db | 221 | //Send specific headers |
donatien | 17:679e15a3d3db | 222 | while( pDataIn->getHeader(buf, sizeof(buf) - 3) ) |
donatien | 17:679e15a3d3db | 223 | { |
donatien | 17:679e15a3d3db | 224 | size_t headerlen = strlen(buf); |
donatien | 17:679e15a3d3db | 225 | snprintf(buf + headerlen, sizeof(buf) - headerlen, "\r\n"); |
donatien | 17:679e15a3d3db | 226 | ret = send(buf); |
donatien | 17:679e15a3d3db | 227 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 228 | } |
donatien | 9:ff30cc189191 | 229 | |
donatien | 0:2ccb9960a044 | 230 | //Close headers |
donatien | 0:2ccb9960a044 | 231 | DBG("Headers sent"); |
donatien | 0:2ccb9960a044 | 232 | ret = send("\r\n"); |
donatien | 5:791fc3dcb6c4 | 233 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 234 | |
donatien | 4:c071b05ac026 | 235 | size_t trfLen; |
donatien | 9:ff30cc189191 | 236 | |
donatien | 16:1f743885e7de | 237 | //Send data (if available) |
donatien | 16:1f743885e7de | 238 | if( pDataOut != NULL ) |
donatien | 0:2ccb9960a044 | 239 | { |
donatien | 0:2ccb9960a044 | 240 | DBG("Sending data"); |
donatien | 0:2ccb9960a044 | 241 | while(true) |
donatien | 0:2ccb9960a044 | 242 | { |
donatien | 0:2ccb9960a044 | 243 | size_t writtenLen = 0; |
donatien | 0:2ccb9960a044 | 244 | pDataOut->read(buf, CHUNK_SIZE, &trfLen); |
donatien | 0:2ccb9960a044 | 245 | if( pDataOut->getIsChunked() ) |
donatien | 0:2ccb9960a044 | 246 | { |
donatien | 0:2ccb9960a044 | 247 | //Write chunk header |
donatien | 9:ff30cc189191 | 248 | char chunkHeader[16]; |
donatien | 9:ff30cc189191 | 249 | snprintf(chunkHeader, sizeof(chunkHeader), "%X\r\n", trfLen); //In hex encoding |
donatien | 9:ff30cc189191 | 250 | ret = send(chunkHeader); |
donatien | 5:791fc3dcb6c4 | 251 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 252 | } |
donatien | 0:2ccb9960a044 | 253 | else if( trfLen == 0 ) |
donatien | 0:2ccb9960a044 | 254 | { |
donatien | 0:2ccb9960a044 | 255 | break; |
donatien | 0:2ccb9960a044 | 256 | } |
donatien | 0:2ccb9960a044 | 257 | if( trfLen != 0 ) |
donatien | 0:2ccb9960a044 | 258 | { |
donatien | 0:2ccb9960a044 | 259 | ret = send(buf, trfLen); |
donatien | 5:791fc3dcb6c4 | 260 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 261 | } |
donatien | 0:2ccb9960a044 | 262 | |
donatien | 0:2ccb9960a044 | 263 | if( pDataOut->getIsChunked() ) |
donatien | 0:2ccb9960a044 | 264 | { |
donatien | 0:2ccb9960a044 | 265 | ret = send("\r\n"); //Chunk-terminating CRLF |
donatien | 5:791fc3dcb6c4 | 266 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 267 | } |
donatien | 0:2ccb9960a044 | 268 | else |
donatien | 0:2ccb9960a044 | 269 | { |
donatien | 0:2ccb9960a044 | 270 | writtenLen += trfLen; |
donatien | 0:2ccb9960a044 | 271 | if( writtenLen >= pDataOut->getDataLen() ) |
donatien | 0:2ccb9960a044 | 272 | { |
donatien | 0:2ccb9960a044 | 273 | break; |
donatien | 0:2ccb9960a044 | 274 | } |
donatien | 0:2ccb9960a044 | 275 | } |
donatien | 0:2ccb9960a044 | 276 | |
donatien | 0:2ccb9960a044 | 277 | if( trfLen == 0 ) |
donatien | 0:2ccb9960a044 | 278 | { |
donatien | 0:2ccb9960a044 | 279 | break; |
donatien | 0:2ccb9960a044 | 280 | } |
donatien | 0:2ccb9960a044 | 281 | } |
donatien | 0:2ccb9960a044 | 282 | } |
komoritan | 21:725b3b105601 | 283 | printf("/* HTTP send1 : %s */", buf); |
donatien | 9:ff30cc189191 | 284 | |
donatien | 0:2ccb9960a044 | 285 | //Receive response |
komoritan | 21:725b3b105601 | 286 | printf(" Receiving response "); |
donatien | 0:2ccb9960a044 | 287 | DBG("Receiving response"); |
donatien | 17:679e15a3d3db | 288 | ret = recv(buf, 1, CHUNK_SIZE - 1, &trfLen); //Read n bytes |
donatien | 5:791fc3dcb6c4 | 289 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 290 | |
donatien | 0:2ccb9960a044 | 291 | buf[trfLen] = '\0'; |
donatien | 0:2ccb9960a044 | 292 | |
donatien | 17:679e15a3d3db | 293 | //Make sure we got the first response line |
donatien | 17:679e15a3d3db | 294 | char* crlfPtr = NULL; |
donatien | 17:679e15a3d3db | 295 | while( true ) |
donatien | 17:679e15a3d3db | 296 | { |
donatien | 17:679e15a3d3db | 297 | crlfPtr = strstr(buf, "\r\n"); |
ban4jp | 20:f020c92bd1a2 | 298 | if(crlfPtr == NULL) |
ban4jp | 20:f020c92bd1a2 | 299 | { |
donatien | 17:679e15a3d3db | 300 | if( trfLen < CHUNK_SIZE - 1 ) |
donatien | 17:679e15a3d3db | 301 | { |
donatien | 17:679e15a3d3db | 302 | size_t newTrfLen; |
donatien | 17:679e15a3d3db | 303 | ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen); |
donatien | 17:679e15a3d3db | 304 | trfLen += newTrfLen; |
donatien | 17:679e15a3d3db | 305 | buf[trfLen] = '\0'; |
donatien | 17:679e15a3d3db | 306 | DBG("Read %d chars; In buf: [%s]", newTrfLen, buf); |
donatien | 17:679e15a3d3db | 307 | CHECK_CONN_ERR(ret); |
donatien | 17:679e15a3d3db | 308 | continue; |
donatien | 17:679e15a3d3db | 309 | } |
donatien | 17:679e15a3d3db | 310 | else |
donatien | 17:679e15a3d3db | 311 | { |
ban4jp | 20:f020c92bd1a2 | 312 | PRTCL_ERR(); |
ban4jp | 20:f020c92bd1a2 | 313 | } |
donatien | 17:679e15a3d3db | 314 | } |
donatien | 17:679e15a3d3db | 315 | break; |
donatien | 17:679e15a3d3db | 316 | } |
donatien | 0:2ccb9960a044 | 317 | |
komoritan | 21:725b3b105601 | 318 | printf("/HTTP answer1 : %s/", buf); |
komoritan | 21:725b3b105601 | 319 | |
donatien | 4:c071b05ac026 | 320 | int crlfPos = crlfPtr - buf; |
donatien | 0:2ccb9960a044 | 321 | buf[crlfPos] = '\0'; |
donatien | 0:2ccb9960a044 | 322 | |
donatien | 0:2ccb9960a044 | 323 | //Parse HTTP response |
donatien | 17:679e15a3d3db | 324 | //if( sscanf(buf, "HTTP/%*d.%*d %d %*[^\r\n]", &m_httpResponseCode) != 1 ) |
donatien | 17:679e15a3d3db | 325 | if(crlfPos > 13) |
donatien | 17:679e15a3d3db | 326 | { |
donatien | 17:679e15a3d3db | 327 | buf[13] = '\0'; |
donatien | 17:679e15a3d3db | 328 | } |
komoritan | 21:725b3b105601 | 329 | printf("/HTTP answer2 : %s/", buf); |
donatien | 17:679e15a3d3db | 330 | if( sscanf(buf, "HTTP/%*d.%*d %d", &m_httpResponseCode) != 1 ) //Kludge for newlib nano |
donatien | 0:2ccb9960a044 | 331 | { |
donatien | 0:2ccb9960a044 | 332 | //Cannot match string, error |
komoritan | 21:725b3b105601 | 333 | printf("Not a correct HTTP answer : %s", buf); |
ban4jp | 20:f020c92bd1a2 | 334 | ERR("Not a correct HTTP answer : %s", buf); |
donatien | 5:791fc3dcb6c4 | 335 | PRTCL_ERR(); |
donatien | 0:2ccb9960a044 | 336 | } |
donatien | 0:2ccb9960a044 | 337 | |
donatien | 16:1f743885e7de | 338 | if( (m_httpResponseCode < 200) || (m_httpResponseCode >= 300) ) |
donatien | 0:2ccb9960a044 | 339 | { |
donatien | 16:1f743885e7de | 340 | //Did not return a 2xx code; TODO fetch headers/(&data?) anyway and implement a mean of writing/reading headers |
komoritan | 21:725b3b105601 | 341 | printf("Response code %d", m_httpResponseCode); |
donatien | 0:2ccb9960a044 | 342 | WARN("Response code %d", m_httpResponseCode); |
donatien | 5:791fc3dcb6c4 | 343 | PRTCL_ERR(); |
donatien | 0:2ccb9960a044 | 344 | } |
donatien | 0:2ccb9960a044 | 345 | |
donatien | 0:2ccb9960a044 | 346 | DBG("Reading headers"); |
komoritan | 21:725b3b105601 | 347 | printf(" Reading headers "); |
donatien | 4:c071b05ac026 | 348 | memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well |
donatien | 0:2ccb9960a044 | 349 | trfLen -= (crlfPos + 2); |
donatien | 0:2ccb9960a044 | 350 | |
donatien | 4:c071b05ac026 | 351 | size_t recvContentLength = 0; |
donatien | 4:c071b05ac026 | 352 | bool recvChunked = false; |
donatien | 17:679e15a3d3db | 353 | bool recvLengthUnknown = true; |
donatien | 0:2ccb9960a044 | 354 | //Now get headers |
donatien | 0:2ccb9960a044 | 355 | while( true ) |
donatien | 0:2ccb9960a044 | 356 | { |
donatien | 0:2ccb9960a044 | 357 | crlfPtr = strstr(buf, "\r\n"); |
donatien | 0:2ccb9960a044 | 358 | if(crlfPtr == NULL) |
donatien | 0:2ccb9960a044 | 359 | { |
donatien | 4:c071b05ac026 | 360 | if( trfLen < CHUNK_SIZE - 1 ) |
donatien | 0:2ccb9960a044 | 361 | { |
donatien | 0:2ccb9960a044 | 362 | size_t newTrfLen; |
donatien | 0:2ccb9960a044 | 363 | ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen); |
donatien | 0:2ccb9960a044 | 364 | trfLen += newTrfLen; |
donatien | 0:2ccb9960a044 | 365 | buf[trfLen] = '\0'; |
donatien | 4:c071b05ac026 | 366 | DBG("Read %d chars; In buf: [%s]", newTrfLen, buf); |
donatien | 5:791fc3dcb6c4 | 367 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 368 | continue; |
donatien | 0:2ccb9960a044 | 369 | } |
donatien | 0:2ccb9960a044 | 370 | else |
donatien | 0:2ccb9960a044 | 371 | { |
donatien | 5:791fc3dcb6c4 | 372 | PRTCL_ERR(); |
donatien | 0:2ccb9960a044 | 373 | } |
donatien | 0:2ccb9960a044 | 374 | } |
donatien | 0:2ccb9960a044 | 375 | |
donatien | 0:2ccb9960a044 | 376 | crlfPos = crlfPtr - buf; |
donatien | 0:2ccb9960a044 | 377 | |
donatien | 0:2ccb9960a044 | 378 | if(crlfPos == 0) //End of headers |
donatien | 0:2ccb9960a044 | 379 | { |
donatien | 0:2ccb9960a044 | 380 | DBG("Headers read"); |
donatien | 4:c071b05ac026 | 381 | memmove(buf, &buf[2], trfLen - 2 + 1); //Be sure to move NULL-terminating char as well |
donatien | 0:2ccb9960a044 | 382 | trfLen -= 2; |
donatien | 0:2ccb9960a044 | 383 | break; |
donatien | 0:2ccb9960a044 | 384 | } |
donatien | 0:2ccb9960a044 | 385 | |
donatien | 0:2ccb9960a044 | 386 | buf[crlfPos] = '\0'; |
donatien | 0:2ccb9960a044 | 387 | |
ban4jp | 19:b09072f8c133 | 388 | char key[HEADER_KEY_MAXLENGTH]; |
ban4jp | 19:b09072f8c133 | 389 | char value[HEADER_VALUE_MAXLENGTH]; |
donatien | 0:2ccb9960a044 | 390 | |
donatien | 17:679e15a3d3db | 391 | //key[31] = '\0'; |
donatien | 17:679e15a3d3db | 392 | //value[31] = '\0'; |
donatien | 17:679e15a3d3db | 393 | |
ban4jp | 19:b09072f8c133 | 394 | memset(key, 0, HEADER_KEY_MAXLENGTH); |
ban4jp | 19:b09072f8c133 | 395 | memset(value, 0, HEADER_VALUE_MAXLENGTH); |
donatien | 4:c071b05ac026 | 396 | |
donatien | 17:679e15a3d3db | 397 | //int n = sscanf(buf, "%31[^:]: %31[^\r\n]", key, value); |
donatien | 17:679e15a3d3db | 398 | |
donatien | 17:679e15a3d3db | 399 | int n = 0; |
donatien | 17:679e15a3d3db | 400 | |
donatien | 17:679e15a3d3db | 401 | char* keyEnd = strchr(buf, ':'); |
komoritan | 21:725b3b105601 | 402 | |
komoritan | 21:725b3b105601 | 403 | printf("keyEnd: "); |
komoritan | 21:725b3b105601 | 404 | printf(buf); |
komoritan | 21:725b3b105601 | 405 | printf(" "); |
donatien | 17:679e15a3d3db | 406 | if(keyEnd != NULL) |
donatien | 17:679e15a3d3db | 407 | { |
donatien | 17:679e15a3d3db | 408 | *keyEnd = '\0'; |
ban4jp | 19:b09072f8c133 | 409 | if(strlen(buf) < HEADER_KEY_MAXLENGTH) |
donatien | 17:679e15a3d3db | 410 | { |
donatien | 18:277279a1891e | 411 | strcpy(key, buf); |
donatien | 17:679e15a3d3db | 412 | n++; |
donatien | 17:679e15a3d3db | 413 | char* valueStart = keyEnd + 2; |
donatien | 17:679e15a3d3db | 414 | if( (valueStart - buf) < crlfPos ) |
donatien | 17:679e15a3d3db | 415 | { |
ban4jp | 19:b09072f8c133 | 416 | if(strlen(valueStart) < HEADER_VALUE_MAXLENGTH) |
donatien | 18:277279a1891e | 417 | { |
donatien | 18:277279a1891e | 418 | strcpy(value, valueStart); |
donatien | 17:679e15a3d3db | 419 | n++; |
donatien | 17:679e15a3d3db | 420 | } |
donatien | 17:679e15a3d3db | 421 | } |
donatien | 17:679e15a3d3db | 422 | } |
donatien | 17:679e15a3d3db | 423 | } |
donatien | 0:2ccb9960a044 | 424 | if ( n == 2 ) |
donatien | 0:2ccb9960a044 | 425 | { |
ban4jp | 20:f020c92bd1a2 | 426 | DBG("Read header : %s: %s", key, value); |
donatien | 0:2ccb9960a044 | 427 | if( !strcmp(key, "Content-Length") ) |
donatien | 0:2ccb9960a044 | 428 | { |
donatien | 0:2ccb9960a044 | 429 | sscanf(value, "%d", &recvContentLength); |
donatien | 17:679e15a3d3db | 430 | recvLengthUnknown = false; |
donatien | 0:2ccb9960a044 | 431 | pDataIn->setDataLen(recvContentLength); |
donatien | 0:2ccb9960a044 | 432 | } |
donatien | 0:2ccb9960a044 | 433 | else if( !strcmp(key, "Transfer-Encoding") ) |
donatien | 0:2ccb9960a044 | 434 | { |
donatien | 0:2ccb9960a044 | 435 | if( !strcmp(value, "Chunked") || !strcmp(value, "chunked") ) |
donatien | 0:2ccb9960a044 | 436 | { |
donatien | 0:2ccb9960a044 | 437 | recvChunked = true; |
donatien | 17:679e15a3d3db | 438 | recvLengthUnknown = false; |
donatien | 0:2ccb9960a044 | 439 | pDataIn->setIsChunked(true); |
donatien | 0:2ccb9960a044 | 440 | } |
donatien | 0:2ccb9960a044 | 441 | } |
donatien | 0:2ccb9960a044 | 442 | else if( !strcmp(key, "Content-Type") ) |
donatien | 0:2ccb9960a044 | 443 | { |
donatien | 0:2ccb9960a044 | 444 | pDataIn->setDataType(value); |
donatien | 0:2ccb9960a044 | 445 | } |
donatien | 0:2ccb9960a044 | 446 | |
donatien | 4:c071b05ac026 | 447 | memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well |
donatien | 0:2ccb9960a044 | 448 | trfLen -= (crlfPos + 2); |
donatien | 0:2ccb9960a044 | 449 | |
donatien | 0:2ccb9960a044 | 450 | } |
donatien | 0:2ccb9960a044 | 451 | else |
donatien | 0:2ccb9960a044 | 452 | { |
komoritan | 21:725b3b105601 | 453 | printf("Could not parse header"); |
donatien | 0:2ccb9960a044 | 454 | ERR("Could not parse header"); |
donatien | 5:791fc3dcb6c4 | 455 | PRTCL_ERR(); |
donatien | 0:2ccb9960a044 | 456 | } |
donatien | 0:2ccb9960a044 | 457 | |
donatien | 0:2ccb9960a044 | 458 | } |
donatien | 0:2ccb9960a044 | 459 | |
donatien | 0:2ccb9960a044 | 460 | //Receive data |
komoritan | 21:725b3b105601 | 461 | printf("Receiving data"); |
donatien | 0:2ccb9960a044 | 462 | DBG("Receiving data"); |
donatien | 0:2ccb9960a044 | 463 | while(true) |
donatien | 0:2ccb9960a044 | 464 | { |
donatien | 0:2ccb9960a044 | 465 | size_t readLen = 0; |
donatien | 0:2ccb9960a044 | 466 | |
donatien | 0:2ccb9960a044 | 467 | if( recvChunked ) |
donatien | 0:2ccb9960a044 | 468 | { |
donatien | 0:2ccb9960a044 | 469 | //Read chunk header |
donatien | 14:2744e0c0e527 | 470 | bool foundCrlf; |
donatien | 14:2744e0c0e527 | 471 | do |
donatien | 0:2ccb9960a044 | 472 | { |
donatien | 14:2744e0c0e527 | 473 | foundCrlf = false; |
donatien | 14:2744e0c0e527 | 474 | crlfPos=0; |
donatien | 14:2744e0c0e527 | 475 | buf[trfLen]=0; |
donatien | 14:2744e0c0e527 | 476 | if(trfLen >= 2) |
donatien | 0:2ccb9960a044 | 477 | { |
donatien | 14:2744e0c0e527 | 478 | for(; crlfPos < trfLen - 2; crlfPos++) |
donatien | 14:2744e0c0e527 | 479 | { |
donatien | 14:2744e0c0e527 | 480 | if( buf[crlfPos] == '\r' && buf[crlfPos + 1] == '\n' ) |
donatien | 14:2744e0c0e527 | 481 | { |
donatien | 14:2744e0c0e527 | 482 | foundCrlf = true; |
donatien | 14:2744e0c0e527 | 483 | break; |
donatien | 14:2744e0c0e527 | 484 | } |
donatien | 14:2744e0c0e527 | 485 | } |
donatien | 0:2ccb9960a044 | 486 | } |
donatien | 14:2744e0c0e527 | 487 | if(!foundCrlf) //Try to read more |
donatien | 0:2ccb9960a044 | 488 | { |
donatien | 14:2744e0c0e527 | 489 | if( trfLen < CHUNK_SIZE ) |
donatien | 14:2744e0c0e527 | 490 | { |
donatien | 14:2744e0c0e527 | 491 | size_t newTrfLen; |
donatien | 14:2744e0c0e527 | 492 | ret = recv(buf + trfLen, 0, CHUNK_SIZE - trfLen - 1, &newTrfLen); |
donatien | 14:2744e0c0e527 | 493 | trfLen += newTrfLen; |
donatien | 14:2744e0c0e527 | 494 | CHECK_CONN_ERR(ret); |
donatien | 14:2744e0c0e527 | 495 | continue; |
donatien | 14:2744e0c0e527 | 496 | } |
donatien | 14:2744e0c0e527 | 497 | else |
donatien | 14:2744e0c0e527 | 498 | { |
donatien | 14:2744e0c0e527 | 499 | PRTCL_ERR(); |
donatien | 14:2744e0c0e527 | 500 | } |
donatien | 0:2ccb9960a044 | 501 | } |
donatien | 14:2744e0c0e527 | 502 | } while(!foundCrlf); |
donatien | 0:2ccb9960a044 | 503 | buf[crlfPos] = '\0'; |
donatien | 0:2ccb9960a044 | 504 | int n = sscanf(buf, "%x", &readLen); |
donatien | 0:2ccb9960a044 | 505 | if(n!=1) |
donatien | 0:2ccb9960a044 | 506 | { |
donatien | 15:5ad07f90e895 | 507 | ERR("Could not read chunk length"); |
donatien | 5:791fc3dcb6c4 | 508 | PRTCL_ERR(); |
donatien | 0:2ccb9960a044 | 509 | } |
donatien | 0:2ccb9960a044 | 510 | |
donatien | 4:c071b05ac026 | 511 | memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); //Not need to move NULL-terminating char any more |
donatien | 0:2ccb9960a044 | 512 | trfLen -= (crlfPos + 2); |
donatien | 0:2ccb9960a044 | 513 | |
donatien | 0:2ccb9960a044 | 514 | if( readLen == 0 ) |
donatien | 0:2ccb9960a044 | 515 | { |
donatien | 0:2ccb9960a044 | 516 | //Last chunk |
donatien | 0:2ccb9960a044 | 517 | break; |
donatien | 0:2ccb9960a044 | 518 | } |
donatien | 0:2ccb9960a044 | 519 | } |
donatien | 0:2ccb9960a044 | 520 | else |
donatien | 0:2ccb9960a044 | 521 | { |
donatien | 0:2ccb9960a044 | 522 | readLen = recvContentLength; |
donatien | 0:2ccb9960a044 | 523 | } |
donatien | 0:2ccb9960a044 | 524 | |
donatien | 17:679e15a3d3db | 525 | DBG("Retrieving %d bytes (%d bytes in buffer)", readLen, trfLen); |
donatien | 0:2ccb9960a044 | 526 | |
donatien | 0:2ccb9960a044 | 527 | do |
donatien | 0:2ccb9960a044 | 528 | { |
donatien | 17:679e15a3d3db | 529 | if(recvLengthUnknown ) |
donatien | 17:679e15a3d3db | 530 | { |
donatien | 17:679e15a3d3db | 531 | readLen = trfLen; |
donatien | 17:679e15a3d3db | 532 | } |
donatien | 0:2ccb9960a044 | 533 | pDataIn->write(buf, MIN(trfLen, readLen)); |
donatien | 17:679e15a3d3db | 534 | if(!recvLengthUnknown) |
donatien | 0:2ccb9960a044 | 535 | { |
donatien | 17:679e15a3d3db | 536 | if( trfLen > readLen ) |
donatien | 17:679e15a3d3db | 537 | { |
donatien | 17:679e15a3d3db | 538 | memmove(buf, &buf[readLen], trfLen - readLen); |
donatien | 17:679e15a3d3db | 539 | trfLen -= readLen; |
donatien | 17:679e15a3d3db | 540 | readLen = 0; |
donatien | 17:679e15a3d3db | 541 | } |
donatien | 17:679e15a3d3db | 542 | else |
donatien | 17:679e15a3d3db | 543 | { |
donatien | 17:679e15a3d3db | 544 | readLen -= trfLen; |
donatien | 17:679e15a3d3db | 545 | } |
donatien | 0:2ccb9960a044 | 546 | } |
donatien | 0:2ccb9960a044 | 547 | else |
donatien | 0:2ccb9960a044 | 548 | { |
donatien | 17:679e15a3d3db | 549 | trfLen = 0; |
donatien | 0:2ccb9960a044 | 550 | } |
donatien | 0:2ccb9960a044 | 551 | |
donatien | 17:679e15a3d3db | 552 | if(readLen || recvLengthUnknown) |
donatien | 0:2ccb9960a044 | 553 | { |
donatien | 0:2ccb9960a044 | 554 | ret = recv(buf, 1, CHUNK_SIZE - trfLen - 1, &trfLen); |
donatien | 17:679e15a3d3db | 555 | if(recvLengthUnknown && (ret == HTTP_CLOSED)) |
donatien | 17:679e15a3d3db | 556 | { |
donatien | 17:679e15a3d3db | 557 | //Write and exit |
donatien | 17:679e15a3d3db | 558 | pDataIn->write(buf, trfLen); |
donatien | 17:679e15a3d3db | 559 | break; |
donatien | 17:679e15a3d3db | 560 | } |
donatien | 5:791fc3dcb6c4 | 561 | CHECK_CONN_ERR(ret); |
donatien | 17:679e15a3d3db | 562 | if(recvLengthUnknown && (trfLen == 0)) |
donatien | 17:679e15a3d3db | 563 | { |
donatien | 17:679e15a3d3db | 564 | break; |
donatien | 17:679e15a3d3db | 565 | } |
donatien | 0:2ccb9960a044 | 566 | } |
donatien | 17:679e15a3d3db | 567 | } while(readLen || recvLengthUnknown); |
donatien | 0:2ccb9960a044 | 568 | |
donatien | 0:2ccb9960a044 | 569 | if( recvChunked ) |
donatien | 0:2ccb9960a044 | 570 | { |
donatien | 0:2ccb9960a044 | 571 | if(trfLen < 2) |
donatien | 0:2ccb9960a044 | 572 | { |
donatien | 0:2ccb9960a044 | 573 | size_t newTrfLen; |
donatien | 0:2ccb9960a044 | 574 | //Read missing chars to find end of chunk |
donatien | 14:2744e0c0e527 | 575 | ret = recv(buf + trfLen, 2 - trfLen, CHUNK_SIZE - trfLen - 1, &newTrfLen); |
donatien | 5:791fc3dcb6c4 | 576 | CHECK_CONN_ERR(ret); |
donatien | 0:2ccb9960a044 | 577 | trfLen += newTrfLen; |
donatien | 0:2ccb9960a044 | 578 | } |
donatien | 0:2ccb9960a044 | 579 | if( (buf[0] != '\r') || (buf[1] != '\n') ) |
donatien | 0:2ccb9960a044 | 580 | { |
donatien | 0:2ccb9960a044 | 581 | ERR("Format error"); |
donatien | 5:791fc3dcb6c4 | 582 | PRTCL_ERR(); |
donatien | 0:2ccb9960a044 | 583 | } |
donatien | 0:2ccb9960a044 | 584 | memmove(buf, &buf[2], trfLen - 2); |
donatien | 0:2ccb9960a044 | 585 | trfLen -= 2; |
donatien | 0:2ccb9960a044 | 586 | } |
donatien | 0:2ccb9960a044 | 587 | else |
donatien | 0:2ccb9960a044 | 588 | { |
donatien | 0:2ccb9960a044 | 589 | break; |
donatien | 0:2ccb9960a044 | 590 | } |
donatien | 0:2ccb9960a044 | 591 | |
donatien | 0:2ccb9960a044 | 592 | } |
donatien | 0:2ccb9960a044 | 593 | |
donatien | 7:4e39864f7b15 | 594 | m_sock.close(); |
donatien | 0:2ccb9960a044 | 595 | DBG("Completed HTTP transaction"); |
donatien | 0:2ccb9960a044 | 596 | |
donatien | 11:390362de8c3f | 597 | return HTTP_OK; |
donatien | 0:2ccb9960a044 | 598 | } |
donatien | 0:2ccb9960a044 | 599 | |
donatien | 11:390362de8c3f | 600 | HTTPResult HTTPClient::recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen) //0 on success, err code on failure |
donatien | 0:2ccb9960a044 | 601 | { |
donatien | 0:2ccb9960a044 | 602 | DBG("Trying to read between %d and %d bytes", minLen, maxLen); |
donatien | 0:2ccb9960a044 | 603 | size_t readLen = 0; |
donatien | 12:89d09a6db00a | 604 | |
donatien | 12:89d09a6db00a | 605 | if(!m_sock.is_connected()) |
donatien | 12:89d09a6db00a | 606 | { |
donatien | 12:89d09a6db00a | 607 | WARN("Connection was closed by server"); |
donatien | 12:89d09a6db00a | 608 | return HTTP_CLOSED; //Connection was closed by server |
donatien | 12:89d09a6db00a | 609 | } |
donatien | 12:89d09a6db00a | 610 | |
donatien | 7:4e39864f7b15 | 611 | int ret; |
donatien | 7:4e39864f7b15 | 612 | while(readLen < maxLen) |
donatien | 0:2ccb9960a044 | 613 | { |
donatien | 7:4e39864f7b15 | 614 | if(readLen < minLen) |
donatien | 0:2ccb9960a044 | 615 | { |
donatien | 12:89d09a6db00a | 616 | DBG("Trying to read at most %d bytes [Blocking]", minLen - readLen); |
donatien | 13:be61104f4e91 | 617 | m_sock.set_blocking(false, m_timeout); |
donatien | 12:89d09a6db00a | 618 | ret = m_sock.receive_all(buf + readLen, minLen - readLen); |
donatien | 0:2ccb9960a044 | 619 | } |
donatien | 7:4e39864f7b15 | 620 | else |
donatien | 7:4e39864f7b15 | 621 | { |
donatien | 12:89d09a6db00a | 622 | DBG("Trying to read at most %d bytes [Not blocking]", maxLen - readLen); |
donatien | 13:be61104f4e91 | 623 | m_sock.set_blocking(false, 0); |
donatien | 12:89d09a6db00a | 624 | ret = m_sock.receive(buf + readLen, maxLen - readLen); |
donatien | 7:4e39864f7b15 | 625 | } |
donatien | 7:4e39864f7b15 | 626 | |
donatien | 0:2ccb9960a044 | 627 | if( ret > 0) |
donatien | 0:2ccb9960a044 | 628 | { |
donatien | 0:2ccb9960a044 | 629 | readLen += ret; |
donatien | 0:2ccb9960a044 | 630 | } |
donatien | 0:2ccb9960a044 | 631 | else if( ret == 0 ) |
donatien | 0:2ccb9960a044 | 632 | { |
donatien | 7:4e39864f7b15 | 633 | break; |
donatien | 7:4e39864f7b15 | 634 | } |
donatien | 7:4e39864f7b15 | 635 | else |
donatien | 7:4e39864f7b15 | 636 | { |
donatien | 12:89d09a6db00a | 637 | if(!m_sock.is_connected()) |
donatien | 12:89d09a6db00a | 638 | { |
donatien | 12:89d09a6db00a | 639 | ERR("Connection error (recv returned %d)", ret); |
donatien | 12:89d09a6db00a | 640 | *pReadLen = readLen; |
donatien | 12:89d09a6db00a | 641 | return HTTP_CONN; |
donatien | 12:89d09a6db00a | 642 | } |
donatien | 12:89d09a6db00a | 643 | else |
donatien | 12:89d09a6db00a | 644 | { |
donatien | 12:89d09a6db00a | 645 | break; |
donatien | 12:89d09a6db00a | 646 | } |
donatien | 12:89d09a6db00a | 647 | } |
donatien | 12:89d09a6db00a | 648 | |
donatien | 12:89d09a6db00a | 649 | if(!m_sock.is_connected()) |
donatien | 12:89d09a6db00a | 650 | { |
donatien | 12:89d09a6db00a | 651 | break; |
donatien | 7:4e39864f7b15 | 652 | } |
donatien | 7:4e39864f7b15 | 653 | } |
donatien | 7:4e39864f7b15 | 654 | DBG("Read %d bytes", readLen); |
donatien | 7:4e39864f7b15 | 655 | *pReadLen = readLen; |
donatien | 11:390362de8c3f | 656 | return HTTP_OK; |
donatien | 7:4e39864f7b15 | 657 | } |
donatien | 7:4e39864f7b15 | 658 | |
donatien | 11:390362de8c3f | 659 | HTTPResult HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure |
donatien | 7:4e39864f7b15 | 660 | { |
donatien | 7:4e39864f7b15 | 661 | if(len == 0) |
donatien | 7:4e39864f7b15 | 662 | { |
donatien | 7:4e39864f7b15 | 663 | len = strlen(buf); |
donatien | 7:4e39864f7b15 | 664 | } |
donatien | 7:4e39864f7b15 | 665 | DBG("Trying to write %d bytes", len); |
donatien | 7:4e39864f7b15 | 666 | size_t writtenLen = 0; |
donatien | 12:89d09a6db00a | 667 | |
donatien | 12:89d09a6db00a | 668 | if(!m_sock.is_connected()) |
donatien | 12:89d09a6db00a | 669 | { |
donatien | 12:89d09a6db00a | 670 | WARN("Connection was closed by server"); |
donatien | 12:89d09a6db00a | 671 | return HTTP_CLOSED; //Connection was closed by server |
donatien | 12:89d09a6db00a | 672 | } |
donatien | 7:4e39864f7b15 | 673 | |
donatien | 13:be61104f4e91 | 674 | m_sock.set_blocking(false, m_timeout); |
donatien | 12:89d09a6db00a | 675 | int ret = m_sock.send_all(buf, len); |
donatien | 12:89d09a6db00a | 676 | if(ret > 0) |
donatien | 7:4e39864f7b15 | 677 | { |
donatien | 12:89d09a6db00a | 678 | writtenLen += ret; |
donatien | 12:89d09a6db00a | 679 | } |
donatien | 12:89d09a6db00a | 680 | else if( ret == 0 ) |
donatien | 12:89d09a6db00a | 681 | { |
donatien | 12:89d09a6db00a | 682 | WARN("Connection was closed by server"); |
donatien | 12:89d09a6db00a | 683 | return HTTP_CLOSED; //Connection was closed by server |
donatien | 12:89d09a6db00a | 684 | } |
donatien | 12:89d09a6db00a | 685 | else |
donatien | 12:89d09a6db00a | 686 | { |
donatien | 12:89d09a6db00a | 687 | ERR("Connection error (send returned %d)", ret); |
donatien | 12:89d09a6db00a | 688 | return HTTP_CONN; |
donatien | 12:89d09a6db00a | 689 | } |
donatien | 7:4e39864f7b15 | 690 | |
donatien | 0:2ccb9960a044 | 691 | DBG("Written %d bytes", writtenLen); |
donatien | 11:390362de8c3f | 692 | return HTTP_OK; |
donatien | 0:2ccb9960a044 | 693 | } |
donatien | 0:2ccb9960a044 | 694 | |
donatien | 11:390362de8c3f | 695 | HTTPResult HTTPClient::parseURL(const char* url, char* scheme, size_t maxSchemeLen, char* host, size_t maxHostLen, uint16_t* port, char* path, size_t maxPathLen) //Parse URL |
donatien | 0:2ccb9960a044 | 696 | { |
donatien | 0:2ccb9960a044 | 697 | char* schemePtr = (char*) url; |
donatien | 0:2ccb9960a044 | 698 | char* hostPtr = (char*) strstr(url, "://"); |
donatien | 0:2ccb9960a044 | 699 | if(hostPtr == NULL) |
donatien | 0:2ccb9960a044 | 700 | { |
donatien | 0:2ccb9960a044 | 701 | WARN("Could not find host"); |
donatien | 11:390362de8c3f | 702 | return HTTP_PARSE; //URL is invalid |
donatien | 0:2ccb9960a044 | 703 | } |
donatien | 0:2ccb9960a044 | 704 | |
donatien | 0:2ccb9960a044 | 705 | if( maxSchemeLen < hostPtr - schemePtr + 1 ) //including NULL-terminating char |
donatien | 0:2ccb9960a044 | 706 | { |
donatien | 0:2ccb9960a044 | 707 | WARN("Scheme str is too small (%d >= %d)", maxSchemeLen, hostPtr - schemePtr + 1); |
donatien | 11:390362de8c3f | 708 | return HTTP_PARSE; |
donatien | 0:2ccb9960a044 | 709 | } |
donatien | 0:2ccb9960a044 | 710 | memcpy(scheme, schemePtr, hostPtr - schemePtr); |
donatien | 0:2ccb9960a044 | 711 | scheme[hostPtr - schemePtr] = '\0'; |
donatien | 0:2ccb9960a044 | 712 | |
donatien | 0:2ccb9960a044 | 713 | hostPtr+=3; |
donatien | 0:2ccb9960a044 | 714 | |
donatien | 0:2ccb9960a044 | 715 | size_t hostLen = 0; |
donatien | 0:2ccb9960a044 | 716 | |
donatien | 0:2ccb9960a044 | 717 | char* portPtr = strchr(hostPtr, ':'); |
donatien | 0:2ccb9960a044 | 718 | if( portPtr != NULL ) |
donatien | 0:2ccb9960a044 | 719 | { |
donatien | 0:2ccb9960a044 | 720 | hostLen = portPtr - hostPtr; |
donatien | 0:2ccb9960a044 | 721 | portPtr++; |
donatien | 8:45c8da29a1cf | 722 | if( sscanf(portPtr, "%hu", port) != 1) |
donatien | 0:2ccb9960a044 | 723 | { |
donatien | 0:2ccb9960a044 | 724 | WARN("Could not find port"); |
donatien | 11:390362de8c3f | 725 | return HTTP_PARSE; |
donatien | 0:2ccb9960a044 | 726 | } |
donatien | 0:2ccb9960a044 | 727 | } |
donatien | 0:2ccb9960a044 | 728 | else |
donatien | 0:2ccb9960a044 | 729 | { |
donatien | 0:2ccb9960a044 | 730 | *port=0; |
donatien | 0:2ccb9960a044 | 731 | } |
donatien | 0:2ccb9960a044 | 732 | char* pathPtr = strchr(hostPtr, '/'); |
donatien | 0:2ccb9960a044 | 733 | if( hostLen == 0 ) |
donatien | 0:2ccb9960a044 | 734 | { |
donatien | 0:2ccb9960a044 | 735 | hostLen = pathPtr - hostPtr; |
donatien | 0:2ccb9960a044 | 736 | } |
donatien | 0:2ccb9960a044 | 737 | |
donatien | 0:2ccb9960a044 | 738 | if( maxHostLen < hostLen + 1 ) //including NULL-terminating char |
donatien | 0:2ccb9960a044 | 739 | { |
donatien | 0:2ccb9960a044 | 740 | WARN("Host str is too small (%d >= %d)", maxHostLen, hostLen + 1); |
donatien | 11:390362de8c3f | 741 | return HTTP_PARSE; |
donatien | 0:2ccb9960a044 | 742 | } |
donatien | 0:2ccb9960a044 | 743 | memcpy(host, hostPtr, hostLen); |
donatien | 0:2ccb9960a044 | 744 | host[hostLen] = '\0'; |
donatien | 0:2ccb9960a044 | 745 | |
donatien | 0:2ccb9960a044 | 746 | size_t pathLen; |
donatien | 0:2ccb9960a044 | 747 | char* fragmentPtr = strchr(hostPtr, '#'); |
donatien | 0:2ccb9960a044 | 748 | if(fragmentPtr != NULL) |
donatien | 0:2ccb9960a044 | 749 | { |
donatien | 0:2ccb9960a044 | 750 | pathLen = fragmentPtr - pathPtr; |
donatien | 0:2ccb9960a044 | 751 | } |
donatien | 0:2ccb9960a044 | 752 | else |
donatien | 0:2ccb9960a044 | 753 | { |
donatien | 0:2ccb9960a044 | 754 | pathLen = strlen(pathPtr); |
donatien | 0:2ccb9960a044 | 755 | } |
donatien | 0:2ccb9960a044 | 756 | |
donatien | 0:2ccb9960a044 | 757 | if( maxPathLen < pathLen + 1 ) //including NULL-terminating char |
donatien | 0:2ccb9960a044 | 758 | { |
donatien | 0:2ccb9960a044 | 759 | WARN("Path str is too small (%d >= %d)", maxPathLen, pathLen + 1); |
donatien | 11:390362de8c3f | 760 | return HTTP_PARSE; |
donatien | 0:2ccb9960a044 | 761 | } |
donatien | 0:2ccb9960a044 | 762 | memcpy(path, pathPtr, pathLen); |
donatien | 0:2ccb9960a044 | 763 | path[pathLen] = '\0'; |
donatien | 0:2ccb9960a044 | 764 | |
donatien | 11:390362de8c3f | 765 | return HTTP_OK; |
donatien | 0:2ccb9960a044 | 766 | } |