Vincent Wochnik / HTTPClient

Fork with custom headers and basic auth.

Dependents:   MbedSmartRest

Fork of HTTPClient by Kazushi Mukaiyama

HTTPClient.cpp@23:9386b15b0820, 2014-02-05 (annotated)

Committer:
vwochnik
Date:
Wed Feb 05 16:21:39 2014 +0000
Revision:
23:9386b15b0820
Parent:
22:967c00d70d95 
fix

Who changed what in which revision?

UserRevisionLine numberNew 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
vwochnik 23:9386b15b0820 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
vwochnik 22:967c00d70d95 43 #define CHUNK_SIZE 128
donatien 0:2ccb9960a044 44
donatien 0:2ccb9960a044 45 #include <cstring>
donatien 0:2ccb9960a044 46
donatien 11:390362de8c3f 47 #include "HTTPClient.h"
donatien 11:390362de8c3f 48
donatien 0:2ccb9960a044 49 HTTPClient::HTTPClient() :
donatien 7:4e39864f7b15 50 m_sock(), m_basicAuthUser(NULL), m_basicAuthPassword(NULL), m_httpResponseCode(0)
donatien 0:2ccb9960a044 51 {
donatien 0:2ccb9960a044 52
donatien 0:2ccb9960a044 53 }
donatien 0:2ccb9960a044 54
donatien 0:2ccb9960a044 55 HTTPClient::~HTTPClient()
donatien 0:2ccb9960a044 56 {
donatien 0:2ccb9960a044 57
donatien 0:2ccb9960a044 58 }
donatien 0:2ccb9960a044 59
donatien 0:2ccb9960a044 60 void HTTPClient::basicAuth(const char* user, const char* password) //Basic Authentification
donatien 0:2ccb9960a044 61 {
donatien 0:2ccb9960a044 62 m_basicAuthUser = user;
donatien 0:2ccb9960a044 63 m_basicAuthPassword = password;
donatien 0:2ccb9960a044 64 }
vwochnik 19:bcbf0af9fac3 65
vwochnik 19:bcbf0af9fac3 66 void HTTPClient::customHeaders(const char **headers, size_t pairs)
vwochnik 19:bcbf0af9fac3 67 {
vwochnik 19:bcbf0af9fac3 68 m_customHeaders = headers;
vwochnik 19:bcbf0af9fac3 69 m_nCustomHeaders = pairs;
vwochnik 19:bcbf0af9fac3 70 }
vwochnik 19:bcbf0af9fac3 71
donatien 0:2ccb9960a044 72
donatien 12:89d09a6db00a 73 HTTPResult HTTPClient::get(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 74 {
donatien 0:2ccb9960a044 75 return connect(url, HTTP_GET, NULL, pDataIn, timeout);
donatien 0:2ccb9960a044 76 }
donatien 0:2ccb9960a044 77
donatien 12:89d09a6db00a 78 HTTPResult HTTPClient::get(const char* url, char* result, size_t maxResultLen, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 79 {
donatien 0:2ccb9960a044 80 HTTPText str(result, maxResultLen);
donatien 0:2ccb9960a044 81 return get(url, &str, timeout);
donatien 0:2ccb9960a044 82 }
donatien 0:2ccb9960a044 83
donatien 12:89d09a6db00a 84 HTTPResult HTTPClient::post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 0:2ccb9960a044 85 {
donatien 0:2ccb9960a044 86 return connect(url, HTTP_POST, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
donatien 0:2ccb9960a044 87 }
donatien 0:2ccb9960a044 88
donatien 16:1f743885e7de 89 HTTPResult HTTPClient::put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 16:1f743885e7de 90 {
donatien 16:1f743885e7de 91 return connect(url, HTTP_PUT, (IHTTPDataOut*)&dataOut, pDataIn, timeout);
donatien 16:1f743885e7de 92 }
donatien 16:1f743885e7de 93
donatien 16:1f743885e7de 94 HTTPResult HTTPClient::del(const char* url, IHTTPDataIn* pDataIn, int timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking
donatien 16:1f743885e7de 95 {
donatien 16:1f743885e7de 96 return connect(url, HTTP_DELETE, NULL, pDataIn, timeout);
donatien 16:1f743885e7de 97 }
donatien 16:1f743885e7de 98
donatien 16:1f743885e7de 99
donatien 0:2ccb9960a044 100 int HTTPClient::getHTTPResponseCode()
donatien 0:2ccb9960a044 101 {
donatien 0:2ccb9960a044 102 return m_httpResponseCode;
donatien 0:2ccb9960a044 103 }
donatien 0:2ccb9960a044 104
donatien 5:791fc3dcb6c4 105 #define CHECK_CONN_ERR(ret) \
donatien 5:791fc3dcb6c4 106 do{ \
donatien 7:4e39864f7b15 107 if(ret) { \
donatien 7:4e39864f7b15 108 m_sock.close(); \
donatien 5:791fc3dcb6c4 109 ERR("Connection error (%d)", ret); \
donatien 11:390362de8c3f 110 return HTTP_CONN; \
donatien 5:791fc3dcb6c4 111 } \
donatien 5:791fc3dcb6c4 112 } while(0)
donatien 5:791fc3dcb6c4 113
donatien 5:791fc3dcb6c4 114 #define PRTCL_ERR() \
donatien 5:791fc3dcb6c4 115 do{ \
donatien 7:4e39864f7b15 116 m_sock.close(); \
donatien 5:791fc3dcb6c4 117 ERR("Protocol error"); \
donatien 11:390362de8c3f 118 return HTTP_PRTCL; \
donatien 5:791fc3dcb6c4 119 } while(0)
donatien 0:2ccb9960a044 120
donatien 12:89d09a6db00a 121 HTTPResult HTTPClient::connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout) //Execute request
donatien 12:89d09a6db00a 122 {
vwochnik 23:9386b15b0820 123 puts("Connect called.");
donatien 0:2ccb9960a044 124 m_httpResponseCode = 0; //Invalidate code
donatien 0:2ccb9960a044 125 m_timeout = timeout;
donatien 16:1f743885e7de 126
donatien 16:1f743885e7de 127 pDataIn->writeReset();
donatien 16:1f743885e7de 128 if( pDataOut )
donatien 16:1f743885e7de 129 {
donatien 16:1f743885e7de 130 pDataOut->readReset();
donatien 16:1f743885e7de 131 }
donatien 0:2ccb9960a044 132
donatien 0:2ccb9960a044 133 char scheme[8];
donatien 0:2ccb9960a044 134 uint16_t port;
donatien 0:2ccb9960a044 135 char host[32];
donatien 0:2ccb9960a044 136 char path[64];
donatien 0:2ccb9960a044 137 //First we need to parse the url (http[s]://host[:port][/[path]]) -- HTTPS not supported (yet?)
donatien 11:390362de8c3f 138 HTTPResult res = parseURL(url, scheme, sizeof(scheme), host, sizeof(host), &port, path, sizeof(path));
donatien 11:390362de8c3f 139 if(res != HTTP_OK)
donatien 0:2ccb9960a044 140 {
donatien 11:390362de8c3f 141 ERR("parseURL returned %d", res);
donatien 11:390362de8c3f 142 return res;
donatien 0:2ccb9960a044 143 }
donatien 0:2ccb9960a044 144
donatien 0:2ccb9960a044 145 if(port == 0) //TODO do handle HTTPS->443
donatien 0:2ccb9960a044 146 {
donatien 0:2ccb9960a044 147 port = 80;
donatien 0:2ccb9960a044 148 }
donatien 0:2ccb9960a044 149
donatien 0:2ccb9960a044 150 DBG("Scheme: %s", scheme);
donatien 0:2ccb9960a044 151 DBG("Host: %s", host);
donatien 0:2ccb9960a044 152 DBG("Port: %d", port);
donatien 0:2ccb9960a044 153 DBG("Path: %s", path);
donatien 0:2ccb9960a044 154
donatien 7:4e39864f7b15 155 //Connect
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();
donatien 0:2ccb9960a044 161 ERR("Could not connect");
donatien 11:390362de8c3f 162 return HTTP_CONN;
donatien 0:2ccb9960a044 163 }
donatien 0:2ccb9960a044 164
donatien 0:2ccb9960a044 165 //Send request
donatien 0:2ccb9960a044 166 DBG("Sending request");
donatien 9:ff30cc189191 167 char buf[CHUNK_SIZE];
donatien 16:1f743885e7de 168 const char* meth = (method==HTTP_GET)?"GET":(method==HTTP_POST)?"POST":(method==HTTP_PUT)?"PUT":(method==HTTP_DELETE)?"DELETE":"";
vwochnik 19:bcbf0af9fac3 169 snprintf(buf, sizeof(buf), "%s %s HTTP/1.1\r\nHost: %s\r\n", meth, path, host); //Write request
donatien 9:ff30cc189191 170 ret = send(buf);
donatien 0:2ccb9960a044 171 if(ret)
donatien 0:2ccb9960a044 172 {
donatien 7:4e39864f7b15 173 m_sock.close();
donatien 0:2ccb9960a044 174 ERR("Could not write request");
donatien 11:390362de8c3f 175 return HTTP_CONN;
donatien 0:2ccb9960a044 176 }
vwochnik 19:bcbf0af9fac3 177
vwochnik 19:bcbf0af9fac3 178 // send authorization
vwochnik 21:66f1c10a5e9a 179 if ((m_basicAuthUser != NULL) && (m_basicAuthPassword != NULL)) {
vwochnik 21:66f1c10a5e9a 180 strcpy(buf, "Authorization: Basic ");
vwochnik 20:cb2e5cd4e29b 181 createauth(m_basicAuthUser, m_basicAuthPassword, buf+strlen(buf), sizeof(buf)-strlen(buf));
vwochnik 19:bcbf0af9fac3 182 strcat(buf, "\r\n");
vwochnik 19:bcbf0af9fac3 183
vwochnik 19:bcbf0af9fac3 184 ret = send(buf);
vwochnik 22:967c00d70d95 185 CHECK_CONN_ERR(ret);
vwochnik 19:bcbf0af9fac3 186 }
donatien 0:2ccb9960a044 187
donatien 0:2ccb9960a044 188 //Send all headers
vwochnik 19:bcbf0af9fac3 189 for (size_t nh = 0; nh < m_nCustomHeaders; ++nh) {
vwochnik 19:bcbf0af9fac3 190 snprintf(buf, sizeof(buf), "%s: %s\r\n", m_customHeaders[nh], m_customHeaders[nh+1]);
vwochnik 19:bcbf0af9fac3 191 ret = send(buf);
vwochnik 22:967c00d70d95 192 CHECK_CONN_ERR(ret);
vwochnik 19:bcbf0af9fac3 193 }
donatien 0:2ccb9960a044 194
donatien 0:2ccb9960a044 195 //Send default headers
donatien 0:2ccb9960a044 196 DBG("Sending headers");
donatien 16:1f743885e7de 197 if( pDataOut != NULL )
donatien 0:2ccb9960a044 198 {
donatien 0:2ccb9960a044 199 if( pDataOut->getIsChunked() )
donatien 0:2ccb9960a044 200 {
donatien 0:2ccb9960a044 201 ret = send("Transfer-Encoding: chunked\r\n");
donatien 5:791fc3dcb6c4 202 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 203 }
donatien 0:2ccb9960a044 204 else
donatien 0:2ccb9960a044 205 {
vwochnik 22:967c00d70d95 206 snprintf(buf, sizeof(buf), "Content-Length: %lu\r\n", pDataOut->getDataLen());
donatien 9:ff30cc189191 207 ret = send(buf);
donatien 5:791fc3dcb6c4 208 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 209 }
donatien 0:2ccb9960a044 210 char type[48];
donatien 11:390362de8c3f 211 if( pDataOut->getDataType(type, 48) == HTTP_OK )
donatien 0:2ccb9960a044 212 {
donatien 9:ff30cc189191 213 snprintf(buf, sizeof(buf), "Content-Type: %s\r\n", type);
donatien 9:ff30cc189191 214 ret = send(buf);
donatien 5:791fc3dcb6c4 215 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 216 }
donatien 0:2ccb9960a044 217 }
donatien 9:ff30cc189191 218
donatien 0:2ccb9960a044 219 //Close headers
donatien 0:2ccb9960a044 220 DBG("Headers sent");
donatien 0:2ccb9960a044 221 ret = send("\r\n");
donatien 5:791fc3dcb6c4 222 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 223
donatien 4:c071b05ac026 224 size_t trfLen;
donatien 9:ff30cc189191 225
donatien 16:1f743885e7de 226 //Send data (if available)
donatien 16:1f743885e7de 227 if( pDataOut != NULL )
donatien 0:2ccb9960a044 228 {
donatien 0:2ccb9960a044 229 DBG("Sending data");
donatien 0:2ccb9960a044 230 while(true)
donatien 0:2ccb9960a044 231 {
donatien 0:2ccb9960a044 232 size_t writtenLen = 0;
donatien 0:2ccb9960a044 233 pDataOut->read(buf, CHUNK_SIZE, &trfLen);
donatien 0:2ccb9960a044 234 if( pDataOut->getIsChunked() )
donatien 0:2ccb9960a044 235 {
donatien 0:2ccb9960a044 236 //Write chunk header
donatien 9:ff30cc189191 237 char chunkHeader[16];
donatien 9:ff30cc189191 238 snprintf(chunkHeader, sizeof(chunkHeader), "%X\r\n", trfLen); //In hex encoding
donatien 9:ff30cc189191 239 ret = send(chunkHeader);
donatien 5:791fc3dcb6c4 240 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 241 }
donatien 0:2ccb9960a044 242 else if( trfLen == 0 )
donatien 0:2ccb9960a044 243 {
donatien 0:2ccb9960a044 244 break;
donatien 0:2ccb9960a044 245 }
donatien 0:2ccb9960a044 246 if( trfLen != 0 )
donatien 0:2ccb9960a044 247 {
donatien 0:2ccb9960a044 248 ret = send(buf, trfLen);
donatien 5:791fc3dcb6c4 249 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 250 }
donatien 0:2ccb9960a044 251
donatien 0:2ccb9960a044 252 if( pDataOut->getIsChunked() )
donatien 0:2ccb9960a044 253 {
donatien 0:2ccb9960a044 254 ret = send("\r\n"); //Chunk-terminating CRLF
donatien 5:791fc3dcb6c4 255 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 256 }
donatien 0:2ccb9960a044 257 else
donatien 0:2ccb9960a044 258 {
donatien 0:2ccb9960a044 259 writtenLen += trfLen;
donatien 0:2ccb9960a044 260 if( writtenLen >= pDataOut->getDataLen() )
donatien 0:2ccb9960a044 261 {
donatien 0:2ccb9960a044 262 break;
donatien 0:2ccb9960a044 263 }
donatien 0:2ccb9960a044 264 }
donatien 0:2ccb9960a044 265
donatien 0:2ccb9960a044 266 if( trfLen == 0 )
donatien 0:2ccb9960a044 267 {
donatien 0:2ccb9960a044 268 break;
donatien 0:2ccb9960a044 269 }
donatien 0:2ccb9960a044 270 }
donatien 0:2ccb9960a044 271
donatien 0:2ccb9960a044 272 }
donatien 9:ff30cc189191 273
donatien 0:2ccb9960a044 274 //Receive response
donatien 0:2ccb9960a044 275 DBG("Receiving response");
donatien 4:c071b05ac026 276 ret = recv(buf, CHUNK_SIZE - 1, CHUNK_SIZE - 1, &trfLen); //Read n bytes
donatien 5:791fc3dcb6c4 277 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 278
donatien 0:2ccb9960a044 279 buf[trfLen] = '\0';
donatien 0:2ccb9960a044 280
donatien 0:2ccb9960a044 281 char* crlfPtr = strstr(buf, "\r\n");
donatien 0:2ccb9960a044 282 if(crlfPtr == NULL)
donatien 0:2ccb9960a044 283 {
donatien 5:791fc3dcb6c4 284 PRTCL_ERR();
donatien 0:2ccb9960a044 285 }
donatien 0:2ccb9960a044 286
donatien 4:c071b05ac026 287 int crlfPos = crlfPtr - buf;
donatien 0:2ccb9960a044 288 buf[crlfPos] = '\0';
donatien 0:2ccb9960a044 289
donatien 0:2ccb9960a044 290 //Parse HTTP response
donatien 0:2ccb9960a044 291 if( sscanf(buf, "HTTP/%*d.%*d %d %*[^\r\n]", &m_httpResponseCode) != 1 )
donatien 0:2ccb9960a044 292 {
donatien 0:2ccb9960a044 293 //Cannot match string, error
donatien 0:2ccb9960a044 294 ERR("Not a correct HTTP answer : %s\n", buf);
donatien 5:791fc3dcb6c4 295 PRTCL_ERR();
donatien 0:2ccb9960a044 296 }
donatien 0:2ccb9960a044 297
donatien 16:1f743885e7de 298 if( (m_httpResponseCode < 200) || (m_httpResponseCode >= 300) )
donatien 0:2ccb9960a044 299 {
donatien 16:1f743885e7de 300 //Did not return a 2xx code; TODO fetch headers/(&data?) anyway and implement a mean of writing/reading headers
donatien 0:2ccb9960a044 301 WARN("Response code %d", m_httpResponseCode);
donatien 5:791fc3dcb6c4 302 PRTCL_ERR();
donatien 0:2ccb9960a044 303 }
donatien 0:2ccb9960a044 304
donatien 0:2ccb9960a044 305 DBG("Reading headers");
donatien 0:2ccb9960a044 306
donatien 4:c071b05ac026 307 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
donatien 0:2ccb9960a044 308 trfLen -= (crlfPos + 2);
donatien 0:2ccb9960a044 309
donatien 4:c071b05ac026 310 size_t recvContentLength = 0;
donatien 4:c071b05ac026 311 bool recvChunked = false;
donatien 0:2ccb9960a044 312 //Now get headers
donatien 0:2ccb9960a044 313 while( true )
donatien 0:2ccb9960a044 314 {
donatien 0:2ccb9960a044 315 crlfPtr = strstr(buf, "\r\n");
donatien 0:2ccb9960a044 316 if(crlfPtr == NULL)
donatien 0:2ccb9960a044 317 {
donatien 4:c071b05ac026 318 if( trfLen < CHUNK_SIZE - 1 )
donatien 0:2ccb9960a044 319 {
donatien 0:2ccb9960a044 320 size_t newTrfLen;
donatien 0:2ccb9960a044 321 ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen);
donatien 0:2ccb9960a044 322 trfLen += newTrfLen;
donatien 0:2ccb9960a044 323 buf[trfLen] = '\0';
donatien 4:c071b05ac026 324 DBG("Read %d chars; In buf: [%s]", newTrfLen, buf);
donatien 5:791fc3dcb6c4 325 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 326 continue;
donatien 0:2ccb9960a044 327 }
donatien 0:2ccb9960a044 328 else
donatien 0:2ccb9960a044 329 {
donatien 5:791fc3dcb6c4 330 PRTCL_ERR();
donatien 0:2ccb9960a044 331 }
donatien 0:2ccb9960a044 332 }
donatien 0:2ccb9960a044 333
donatien 0:2ccb9960a044 334 crlfPos = crlfPtr - buf;
donatien 0:2ccb9960a044 335
donatien 0:2ccb9960a044 336 if(crlfPos == 0) //End of headers
donatien 0:2ccb9960a044 337 {
donatien 0:2ccb9960a044 338 DBG("Headers read");
donatien 4:c071b05ac026 339 memmove(buf, &buf[2], trfLen - 2 + 1); //Be sure to move NULL-terminating char as well
donatien 0:2ccb9960a044 340 trfLen -= 2;
donatien 0:2ccb9960a044 341 break;
donatien 0:2ccb9960a044 342 }
donatien 0:2ccb9960a044 343
donatien 0:2ccb9960a044 344 buf[crlfPos] = '\0';
donatien 0:2ccb9960a044 345
donatien 4:c071b05ac026 346 char key[32];
donatien 4:c071b05ac026 347 char value[32];
donatien 0:2ccb9960a044 348
donatien 4:c071b05ac026 349 key[31] = '\0';
donatien 4:c071b05ac026 350 value[31] = '\0';
donatien 4:c071b05ac026 351
donatien 4:c071b05ac026 352 int n = sscanf(buf, "%31[^:]: %31[^\r\n]", key, value);
donatien 0:2ccb9960a044 353 if ( n == 2 )
donatien 0:2ccb9960a044 354 {
donatien 0:2ccb9960a044 355 DBG("Read header : %s: %s\n", key, value);
donatien 0:2ccb9960a044 356 if( !strcmp(key, "Content-Length") )
donatien 0:2ccb9960a044 357 {
donatien 0:2ccb9960a044 358 sscanf(value, "%d", &recvContentLength);
donatien 0:2ccb9960a044 359 pDataIn->setDataLen(recvContentLength);
donatien 0:2ccb9960a044 360 }
donatien 0:2ccb9960a044 361 else if( !strcmp(key, "Transfer-Encoding") )
donatien 0:2ccb9960a044 362 {
donatien 0:2ccb9960a044 363 if( !strcmp(value, "Chunked") || !strcmp(value, "chunked") )
donatien 0:2ccb9960a044 364 {
donatien 0:2ccb9960a044 365 recvChunked = true;
donatien 0:2ccb9960a044 366 pDataIn->setIsChunked(true);
donatien 0:2ccb9960a044 367 }
donatien 0:2ccb9960a044 368 }
donatien 0:2ccb9960a044 369 else if( !strcmp(key, "Content-Type") )
donatien 0:2ccb9960a044 370 {
donatien 0:2ccb9960a044 371 pDataIn->setDataType(value);
donatien 0:2ccb9960a044 372 }
donatien 0:2ccb9960a044 373
donatien 4:c071b05ac026 374 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2) + 1); //Be sure to move NULL-terminating char as well
donatien 0:2ccb9960a044 375 trfLen -= (crlfPos + 2);
donatien 0:2ccb9960a044 376
donatien 0:2ccb9960a044 377 }
donatien 0:2ccb9960a044 378 else
donatien 0:2ccb9960a044 379 {
donatien 0:2ccb9960a044 380 ERR("Could not parse header");
donatien 5:791fc3dcb6c4 381 PRTCL_ERR();
donatien 0:2ccb9960a044 382 }
donatien 0:2ccb9960a044 383
donatien 0:2ccb9960a044 384 }
donatien 0:2ccb9960a044 385
donatien 0:2ccb9960a044 386 //Receive data
donatien 0:2ccb9960a044 387 DBG("Receiving data");
donatien 0:2ccb9960a044 388 while(true)
donatien 0:2ccb9960a044 389 {
donatien 0:2ccb9960a044 390 size_t readLen = 0;
donatien 0:2ccb9960a044 391
donatien 0:2ccb9960a044 392 if( recvChunked )
donatien 0:2ccb9960a044 393 {
donatien 0:2ccb9960a044 394 //Read chunk header
donatien 14:2744e0c0e527 395 bool foundCrlf;
donatien 14:2744e0c0e527 396 do
donatien 0:2ccb9960a044 397 {
donatien 14:2744e0c0e527 398 foundCrlf = false;
donatien 14:2744e0c0e527 399 crlfPos=0;
donatien 14:2744e0c0e527 400 buf[trfLen]=0;
donatien 14:2744e0c0e527 401 if(trfLen >= 2)
donatien 0:2ccb9960a044 402 {
donatien 14:2744e0c0e527 403 for(; crlfPos < trfLen - 2; crlfPos++)
donatien 14:2744e0c0e527 404 {
donatien 14:2744e0c0e527 405 if( buf[crlfPos] == '\r' && buf[crlfPos + 1] == '\n' )
donatien 14:2744e0c0e527 406 {
donatien 14:2744e0c0e527 407 foundCrlf = true;
donatien 14:2744e0c0e527 408 break;
donatien 14:2744e0c0e527 409 }
donatien 14:2744e0c0e527 410 }
donatien 0:2ccb9960a044 411 }
donatien 14:2744e0c0e527 412 if(!foundCrlf) //Try to read more
donatien 0:2ccb9960a044 413 {
donatien 14:2744e0c0e527 414 if( trfLen < CHUNK_SIZE )
donatien 14:2744e0c0e527 415 {
donatien 14:2744e0c0e527 416 size_t newTrfLen;
donatien 14:2744e0c0e527 417 ret = recv(buf + trfLen, 0, CHUNK_SIZE - trfLen - 1, &newTrfLen);
donatien 14:2744e0c0e527 418 trfLen += newTrfLen;
donatien 14:2744e0c0e527 419 CHECK_CONN_ERR(ret);
donatien 14:2744e0c0e527 420 continue;
donatien 14:2744e0c0e527 421 }
donatien 14:2744e0c0e527 422 else
donatien 14:2744e0c0e527 423 {
donatien 14:2744e0c0e527 424 PRTCL_ERR();
donatien 14:2744e0c0e527 425 }
donatien 0:2ccb9960a044 426 }
donatien 14:2744e0c0e527 427 } while(!foundCrlf);
donatien 0:2ccb9960a044 428 buf[crlfPos] = '\0';
donatien 0:2ccb9960a044 429 int n = sscanf(buf, "%x", &readLen);
donatien 0:2ccb9960a044 430 if(n!=1)
donatien 0:2ccb9960a044 431 {
donatien 15:5ad07f90e895 432 ERR("Could not read chunk length");
donatien 5:791fc3dcb6c4 433 PRTCL_ERR();
donatien 0:2ccb9960a044 434 }
donatien 0:2ccb9960a044 435
donatien 4:c071b05ac026 436 memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); //Not need to move NULL-terminating char any more
donatien 0:2ccb9960a044 437 trfLen -= (crlfPos + 2);
donatien 0:2ccb9960a044 438
donatien 0:2ccb9960a044 439 if( readLen == 0 )
donatien 0:2ccb9960a044 440 {
donatien 0:2ccb9960a044 441 //Last chunk
donatien 0:2ccb9960a044 442 break;
donatien 0:2ccb9960a044 443 }
donatien 0:2ccb9960a044 444 }
donatien 0:2ccb9960a044 445 else
donatien 0:2ccb9960a044 446 {
donatien 0:2ccb9960a044 447 readLen = recvContentLength;
donatien 0:2ccb9960a044 448 }
donatien 0:2ccb9960a044 449
donatien 0:2ccb9960a044 450 DBG("Retrieving %d bytes", readLen);
donatien 0:2ccb9960a044 451
donatien 0:2ccb9960a044 452 do
donatien 0:2ccb9960a044 453 {
donatien 0:2ccb9960a044 454 pDataIn->write(buf, MIN(trfLen, readLen));
donatien 0:2ccb9960a044 455 if( trfLen > readLen )
donatien 0:2ccb9960a044 456 {
donatien 0:2ccb9960a044 457 memmove(buf, &buf[readLen], trfLen - readLen);
donatien 0:2ccb9960a044 458 trfLen -= readLen;
donatien 0:2ccb9960a044 459 readLen = 0;
donatien 0:2ccb9960a044 460 }
donatien 0:2ccb9960a044 461 else
donatien 0:2ccb9960a044 462 {
donatien 0:2ccb9960a044 463 readLen -= trfLen;
donatien 0:2ccb9960a044 464 }
donatien 0:2ccb9960a044 465
donatien 0:2ccb9960a044 466 if(readLen)
donatien 0:2ccb9960a044 467 {
donatien 0:2ccb9960a044 468 ret = recv(buf, 1, CHUNK_SIZE - trfLen - 1, &trfLen);
donatien 5:791fc3dcb6c4 469 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 470 }
donatien 0:2ccb9960a044 471 } while(readLen);
donatien 0:2ccb9960a044 472
donatien 0:2ccb9960a044 473 if( recvChunked )
donatien 0:2ccb9960a044 474 {
donatien 0:2ccb9960a044 475 if(trfLen < 2)
donatien 0:2ccb9960a044 476 {
donatien 0:2ccb9960a044 477 size_t newTrfLen;
donatien 0:2ccb9960a044 478 //Read missing chars to find end of chunk
donatien 14:2744e0c0e527 479 ret = recv(buf + trfLen, 2 - trfLen, CHUNK_SIZE - trfLen - 1, &newTrfLen);
donatien 5:791fc3dcb6c4 480 CHECK_CONN_ERR(ret);
donatien 0:2ccb9960a044 481 trfLen += newTrfLen;
donatien 0:2ccb9960a044 482 }
donatien 0:2ccb9960a044 483 if( (buf[0] != '\r') || (buf[1] != '\n') )
donatien 0:2ccb9960a044 484 {
donatien 0:2ccb9960a044 485 ERR("Format error");
donatien 5:791fc3dcb6c4 486 PRTCL_ERR();
donatien 0:2ccb9960a044 487 }
donatien 0:2ccb9960a044 488 memmove(buf, &buf[2], trfLen - 2);
donatien 0:2ccb9960a044 489 trfLen -= 2;
donatien 0:2ccb9960a044 490 }
donatien 0:2ccb9960a044 491 else
donatien 0:2ccb9960a044 492 {
donatien 0:2ccb9960a044 493 break;
donatien 0:2ccb9960a044 494 }
donatien 0:2ccb9960a044 495
donatien 0:2ccb9960a044 496 }
donatien 0:2ccb9960a044 497
donatien 7:4e39864f7b15 498 m_sock.close();
donatien 0:2ccb9960a044 499 DBG("Completed HTTP transaction");
donatien 0:2ccb9960a044 500
donatien 11:390362de8c3f 501 return HTTP_OK;
donatien 0:2ccb9960a044 502 }
donatien 0:2ccb9960a044 503
donatien 11:390362de8c3f 504 HTTPResult HTTPClient::recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen) //0 on success, err code on failure
donatien 0:2ccb9960a044 505 {
donatien 0:2ccb9960a044 506 DBG("Trying to read between %d and %d bytes", minLen, maxLen);
donatien 0:2ccb9960a044 507 size_t readLen = 0;
donatien 12:89d09a6db00a 508
donatien 12:89d09a6db00a 509 if(!m_sock.is_connected())
donatien 12:89d09a6db00a 510 {
donatien 12:89d09a6db00a 511 WARN("Connection was closed by server");
donatien 12:89d09a6db00a 512 return HTTP_CLOSED; //Connection was closed by server
donatien 12:89d09a6db00a 513 }
donatien 12:89d09a6db00a 514
donatien 7:4e39864f7b15 515 int ret;
donatien 7:4e39864f7b15 516 while(readLen < maxLen)
donatien 0:2ccb9960a044 517 {
donatien 7:4e39864f7b15 518 if(readLen < minLen)
donatien 0:2ccb9960a044 519 {
donatien 12:89d09a6db00a 520 DBG("Trying to read at most %d bytes [Blocking]", minLen - readLen);
vwochnik 23:9386b15b0820 521 m_sock.set_blocking(true, m_timeout);
donatien 12:89d09a6db00a 522 ret = m_sock.receive_all(buf + readLen, minLen - readLen);
donatien 0:2ccb9960a044 523 }
donatien 7:4e39864f7b15 524 else
donatien 7:4e39864f7b15 525 {
donatien 12:89d09a6db00a 526 DBG("Trying to read at most %d bytes [Not blocking]", maxLen - readLen);
donatien 13:be61104f4e91 527 m_sock.set_blocking(false, 0);
donatien 12:89d09a6db00a 528 ret = m_sock.receive(buf + readLen, maxLen - readLen);
donatien 7:4e39864f7b15 529 }
donatien 7:4e39864f7b15 530
donatien 0:2ccb9960a044 531 if( ret > 0)
donatien 0:2ccb9960a044 532 {
donatien 0:2ccb9960a044 533 readLen += ret;
donatien 0:2ccb9960a044 534 }
donatien 0:2ccb9960a044 535 else if( ret == 0 )
donatien 0:2ccb9960a044 536 {
donatien 7:4e39864f7b15 537 break;
donatien 7:4e39864f7b15 538 }
donatien 7:4e39864f7b15 539 else
donatien 7:4e39864f7b15 540 {
donatien 12:89d09a6db00a 541 if(!m_sock.is_connected())
donatien 12:89d09a6db00a 542 {
donatien 12:89d09a6db00a 543 ERR("Connection error (recv returned %d)", ret);
donatien 12:89d09a6db00a 544 *pReadLen = readLen;
donatien 12:89d09a6db00a 545 return HTTP_CONN;
donatien 12:89d09a6db00a 546 }
donatien 12:89d09a6db00a 547 else
donatien 12:89d09a6db00a 548 {
donatien 12:89d09a6db00a 549 break;
donatien 12:89d09a6db00a 550 }
donatien 12:89d09a6db00a 551 }
donatien 12:89d09a6db00a 552
donatien 12:89d09a6db00a 553 if(!m_sock.is_connected())
donatien 12:89d09a6db00a 554 {
donatien 12:89d09a6db00a 555 break;
donatien 7:4e39864f7b15 556 }
donatien 7:4e39864f7b15 557 }
donatien 7:4e39864f7b15 558 DBG("Read %d bytes", readLen);
donatien 7:4e39864f7b15 559 *pReadLen = readLen;
donatien 11:390362de8c3f 560 return HTTP_OK;
donatien 7:4e39864f7b15 561 }
donatien 7:4e39864f7b15 562
donatien 11:390362de8c3f 563 HTTPResult HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure
donatien 7:4e39864f7b15 564 {
donatien 7:4e39864f7b15 565 if(len == 0)
donatien 7:4e39864f7b15 566 {
donatien 7:4e39864f7b15 567 len = strlen(buf);
donatien 7:4e39864f7b15 568 }
donatien 7:4e39864f7b15 569 DBG("Trying to write %d bytes", len);
donatien 7:4e39864f7b15 570 size_t writtenLen = 0;
donatien 12:89d09a6db00a 571
donatien 12:89d09a6db00a 572 if(!m_sock.is_connected())
donatien 12:89d09a6db00a 573 {
donatien 12:89d09a6db00a 574 WARN("Connection was closed by server");
donatien 12:89d09a6db00a 575 return HTTP_CLOSED; //Connection was closed by server
donatien 12:89d09a6db00a 576 }
donatien 7:4e39864f7b15 577
vwochnik 23:9386b15b0820 578 m_sock.set_blocking(true, m_timeout);
donatien 12:89d09a6db00a 579 int ret = m_sock.send_all(buf, len);
donatien 12:89d09a6db00a 580 if(ret > 0)
donatien 7:4e39864f7b15 581 {
donatien 12:89d09a6db00a 582 writtenLen += ret;
donatien 12:89d09a6db00a 583 }
donatien 12:89d09a6db00a 584 else if( ret == 0 )
donatien 12:89d09a6db00a 585 {
donatien 12:89d09a6db00a 586 WARN("Connection was closed by server");
donatien 12:89d09a6db00a 587 return HTTP_CLOSED; //Connection was closed by server
donatien 12:89d09a6db00a 588 }
donatien 12:89d09a6db00a 589 else
donatien 12:89d09a6db00a 590 {
donatien 12:89d09a6db00a 591 ERR("Connection error (send returned %d)", ret);
donatien 12:89d09a6db00a 592 return HTTP_CONN;
donatien 12:89d09a6db00a 593 }
donatien 7:4e39864f7b15 594
donatien 0:2ccb9960a044 595 DBG("Written %d bytes", writtenLen);
donatien 11:390362de8c3f 596 return HTTP_OK;
donatien 0:2ccb9960a044 597 }
donatien 0:2ccb9960a044 598
donatien 11:390362de8c3f 599 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 600 {
donatien 0:2ccb9960a044 601 char* schemePtr = (char*) url;
donatien 0:2ccb9960a044 602 char* hostPtr = (char*) strstr(url, "://");
donatien 0:2ccb9960a044 603 if(hostPtr == NULL)
donatien 0:2ccb9960a044 604 {
donatien 0:2ccb9960a044 605 WARN("Could not find host");
donatien 11:390362de8c3f 606 return HTTP_PARSE; //URL is invalid
donatien 0:2ccb9960a044 607 }
donatien 0:2ccb9960a044 608
donatien 0:2ccb9960a044 609 if( maxSchemeLen < hostPtr - schemePtr + 1 ) //including NULL-terminating char
donatien 0:2ccb9960a044 610 {
donatien 0:2ccb9960a044 611 WARN("Scheme str is too small (%d >= %d)", maxSchemeLen, hostPtr - schemePtr + 1);
donatien 11:390362de8c3f 612 return HTTP_PARSE;
donatien 0:2ccb9960a044 613 }
donatien 0:2ccb9960a044 614 memcpy(scheme, schemePtr, hostPtr - schemePtr);
donatien 0:2ccb9960a044 615 scheme[hostPtr - schemePtr] = '\0';
donatien 0:2ccb9960a044 616
donatien 0:2ccb9960a044 617 hostPtr+=3;
donatien 0:2ccb9960a044 618
donatien 0:2ccb9960a044 619 size_t hostLen = 0;
donatien 0:2ccb9960a044 620
donatien 0:2ccb9960a044 621 char* portPtr = strchr(hostPtr, ':');
donatien 0:2ccb9960a044 622 if( portPtr != NULL )
donatien 0:2ccb9960a044 623 {
donatien 0:2ccb9960a044 624 hostLen = portPtr - hostPtr;
donatien 0:2ccb9960a044 625 portPtr++;
donatien 8:45c8da29a1cf 626 if( sscanf(portPtr, "%hu", port) != 1)
donatien 0:2ccb9960a044 627 {
donatien 0:2ccb9960a044 628 WARN("Could not find port");
donatien 11:390362de8c3f 629 return HTTP_PARSE;
donatien 0:2ccb9960a044 630 }
donatien 0:2ccb9960a044 631 }
donatien 0:2ccb9960a044 632 else
donatien 0:2ccb9960a044 633 {
donatien 0:2ccb9960a044 634 *port=0;
donatien 0:2ccb9960a044 635 }
donatien 0:2ccb9960a044 636 char* pathPtr = strchr(hostPtr, '/');
donatien 0:2ccb9960a044 637 if( hostLen == 0 )
donatien 0:2ccb9960a044 638 {
donatien 0:2ccb9960a044 639 hostLen = pathPtr - hostPtr;
donatien 0:2ccb9960a044 640 }
donatien 0:2ccb9960a044 641
donatien 0:2ccb9960a044 642 if( maxHostLen < hostLen + 1 ) //including NULL-terminating char
donatien 0:2ccb9960a044 643 {
donatien 0:2ccb9960a044 644 WARN("Host str is too small (%d >= %d)", maxHostLen, hostLen + 1);
donatien 11:390362de8c3f 645 return HTTP_PARSE;
donatien 0:2ccb9960a044 646 }
donatien 0:2ccb9960a044 647 memcpy(host, hostPtr, hostLen);
donatien 0:2ccb9960a044 648 host[hostLen] = '\0';
donatien 0:2ccb9960a044 649
donatien 0:2ccb9960a044 650 size_t pathLen;
donatien 0:2ccb9960a044 651 char* fragmentPtr = strchr(hostPtr, '#');
donatien 0:2ccb9960a044 652 if(fragmentPtr != NULL)
donatien 0:2ccb9960a044 653 {
donatien 0:2ccb9960a044 654 pathLen = fragmentPtr - pathPtr;
donatien 0:2ccb9960a044 655 }
donatien 0:2ccb9960a044 656 else
donatien 0:2ccb9960a044 657 {
donatien 0:2ccb9960a044 658 pathLen = strlen(pathPtr);
donatien 0:2ccb9960a044 659 }
donatien 0:2ccb9960a044 660
donatien 0:2ccb9960a044 661 if( maxPathLen < pathLen + 1 ) //including NULL-terminating char
donatien 0:2ccb9960a044 662 {
donatien 0:2ccb9960a044 663 WARN("Path str is too small (%d >= %d)", maxPathLen, pathLen + 1);
donatien 11:390362de8c3f 664 return HTTP_PARSE;
donatien 0:2ccb9960a044 665 }
donatien 0:2ccb9960a044 666 memcpy(path, pathPtr, pathLen);
donatien 0:2ccb9960a044 667 path[pathLen] = '\0';
donatien 0:2ccb9960a044 668
donatien 11:390362de8c3f 669 return HTTP_OK;
donatien 0:2ccb9960a044 670 }
kazushi2008 18:cf5d7427a9ec 671
kazushi2008 18:cf5d7427a9ec 672 void HTTPClient::createauth (const char *user, const char *pwd, char *buf, int len) {
kazushi2008 18:cf5d7427a9ec 673 char tmp[80];
kazushi2008 18:cf5d7427a9ec 674
kazushi2008 18:cf5d7427a9ec 675 snprintf(tmp, sizeof(tmp), "%s:%s", user, pwd);
kazushi2008 18:cf5d7427a9ec 676 base64enc(tmp, strlen(tmp), &buf[strlen(buf)], len - strlen(buf));
kazushi2008 18:cf5d7427a9ec 677 }
kazushi2008 18:cf5d7427a9ec 678
kazushi2008 18:cf5d7427a9ec 679 // Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
kazushi2008 18:cf5d7427a9ec 680 int HTTPClient::base64enc(const char *input, unsigned int length, char *output, int len) {
kazushi2008 18:cf5d7427a9ec 681 static const char base64[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
kazushi2008 18:cf5d7427a9ec 682 unsigned int c, c1, c2, c3;
kazushi2008 18:cf5d7427a9ec 683
kazushi2008 18:cf5d7427a9ec 684 if (len < ((((length-1)/3)+1)<<2)) return -1;
kazushi2008 18:cf5d7427a9ec 685 for(unsigned int i = 0, j = 0; i<length; i+=3,j+=4) {
kazushi2008 18:cf5d7427a9ec 686 c1 = ((((unsigned char)*((unsigned char *)&input[i]))));
kazushi2008 18:cf5d7427a9ec 687 c2 = (length>i+1)?((((unsigned char)*((unsigned char *)&input[i+1])))):0;
kazushi2008 18:cf5d7427a9ec 688 c3 = (length>i+2)?((((unsigned char)*((unsigned char *)&input[i+2])))):0;
kazushi2008 18:cf5d7427a9ec 689
kazushi2008 18:cf5d7427a9ec 690 c = ((c1 & 0xFC) >> 2);
kazushi2008 18:cf5d7427a9ec 691 output[j+0] = base64[c];
kazushi2008 18:cf5d7427a9ec 692 c = ((c1 & 0x03) << 4) | ((c2 & 0xF0) >> 4);
kazushi2008 18:cf5d7427a9ec 693 output[j+1] = base64[c];
kazushi2008 18:cf5d7427a9ec 694 c = ((c2 & 0x0F) << 2) | ((c3 & 0xC0) >> 6);
kazushi2008 18:cf5d7427a9ec 695 output[j+2] = (length>i+1)?base64[c]:'=';
kazushi2008 18:cf5d7427a9ec 696 c = (c3 & 0x3F);
kazushi2008 18:cf5d7427a9ec 697 output[j+3] = (length>i+2)?base64[c]:'=';
kazushi2008 18:cf5d7427a9ec 698 }
kazushi2008 18:cf5d7427a9ec 699 output[(((length-1)/3)+1)<<2] = '\0';
kazushi2008 18:cf5d7427a9ec 700 return 0;
kazushi2008 18:cf5d7427a9ec 701 }