HTTP Client Library
Dependents: EthernetHTTPClientTest
HTTPClient.cpp@2:75f5b83238af, 2012-04-26 (annotated)
- Committer:
- donatien
- Date:
- Thu Apr 26 14:19:25 2012 +0000
- Revision:
- 2:75f5b83238af
- Parent:
- 1:b70c37cf73ca
- Child:
- 3:5aef7584de4b
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
donatien | 0:2ccb9960a044 | 1 | /* HTTPClient.cpp */ |
donatien | 0:2ccb9960a044 | 2 | /* |
donatien | 0:2ccb9960a044 | 3 | Copyright (C) 2012 ARM Limited. |
donatien | 0:2ccb9960a044 | 4 | |
donatien | 0:2ccb9960a044 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy of |
donatien | 0:2ccb9960a044 | 6 | this software and associated documentation files (the "Software"), to deal in |
donatien | 0:2ccb9960a044 | 7 | the Software without restriction, including without limitation the rights to |
donatien | 0:2ccb9960a044 | 8 | use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies |
donatien | 0:2ccb9960a044 | 9 | of the Software, and to permit persons to whom the Software is furnished to do |
donatien | 0:2ccb9960a044 | 10 | so, subject to the following conditions: |
donatien | 0:2ccb9960a044 | 11 | |
donatien | 0:2ccb9960a044 | 12 | The above copyright notice and this permission notice shall be included in all |
donatien | 0:2ccb9960a044 | 13 | copies or substantial portions of the Software. |
donatien | 0:2ccb9960a044 | 14 | |
donatien | 0:2ccb9960a044 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
donatien | 0:2ccb9960a044 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
donatien | 0:2ccb9960a044 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
donatien | 0:2ccb9960a044 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
donatien | 0:2ccb9960a044 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
donatien | 0:2ccb9960a044 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
donatien | 0:2ccb9960a044 | 21 | SOFTWARE. |
donatien | 0:2ccb9960a044 | 22 | */ |
donatien | 0:2ccb9960a044 | 23 | |
donatien | 0:2ccb9960a044 | 24 | #define __DEBUG__ 4 //Maximum verbosity |
donatien | 0:2ccb9960a044 | 25 | #ifndef __MODULE__ |
donatien | 0:2ccb9960a044 | 26 | #define __MODULE__ "HTTPClient.cpp" |
donatien | 0:2ccb9960a044 | 27 | #endif |
donatien | 0:2ccb9960a044 | 28 | |
donatien | 0:2ccb9960a044 | 29 | #include "core/fwk.h" |
donatien | 0:2ccb9960a044 | 30 | |
donatien | 0:2ccb9960a044 | 31 | #include "HTTPClient.h" |
donatien | 0:2ccb9960a044 | 32 | |
donatien | 0:2ccb9960a044 | 33 | #define HTTP_REQUEST_TIMEOUT 30000 |
donatien | 0:2ccb9960a044 | 34 | #define HTTP_PORT 80 |
donatien | 0:2ccb9960a044 | 35 | |
donatien | 0:2ccb9960a044 | 36 | #define CHUNK_SIZE 256 |
donatien | 0:2ccb9960a044 | 37 | |
donatien | 0:2ccb9960a044 | 38 | #include <cstring> |
donatien | 0:2ccb9960a044 | 39 | |
donatien | 0:2ccb9960a044 | 40 | HTTPClient::HTTPClient() : |
donatien | 0:2ccb9960a044 | 41 | m_basicAuthUser(NULL), m_basicAuthPassword(NULL), m_httpResponseCode(0) |
donatien | 0:2ccb9960a044 | 42 | { |
donatien | 0:2ccb9960a044 | 43 | |
donatien | 0:2ccb9960a044 | 44 | } |
donatien | 0:2ccb9960a044 | 45 | |
donatien | 0:2ccb9960a044 | 46 | HTTPClient::~HTTPClient() |
donatien | 0:2ccb9960a044 | 47 | { |
donatien | 0:2ccb9960a044 | 48 | |
donatien | 0:2ccb9960a044 | 49 | } |
donatien | 0:2ccb9960a044 | 50 | |
donatien | 0:2ccb9960a044 | 51 | #if 0 |
donatien | 0:2ccb9960a044 | 52 | void HTTPClient::basicAuth(const char* user, const char* password) //Basic Authentification |
donatien | 0:2ccb9960a044 | 53 | { |
donatien | 0:2ccb9960a044 | 54 | m_basicAuthUser = user; |
donatien | 0:2ccb9960a044 | 55 | m_basicAuthPassword = password; |
donatien | 0:2ccb9960a044 | 56 | } |
donatien | 0:2ccb9960a044 | 57 | #endif |
donatien | 0:2ccb9960a044 | 58 | |
donatien | 0:2ccb9960a044 | 59 | int HTTPClient::get(const char* url, IHTTPDataIn* pDataIn, uint32_t timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking |
donatien | 0:2ccb9960a044 | 60 | { |
donatien | 0:2ccb9960a044 | 61 | return connect(url, HTTP_GET, NULL, pDataIn, timeout); |
donatien | 0:2ccb9960a044 | 62 | } |
donatien | 0:2ccb9960a044 | 63 | |
donatien | 0:2ccb9960a044 | 64 | int HTTPClient::get(const char* url, char* result, size_t maxResultLen, uint32_t timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking |
donatien | 0:2ccb9960a044 | 65 | { |
donatien | 0:2ccb9960a044 | 66 | HTTPText str(result, maxResultLen); |
donatien | 0:2ccb9960a044 | 67 | return get(url, &str, timeout); |
donatien | 0:2ccb9960a044 | 68 | } |
donatien | 0:2ccb9960a044 | 69 | |
donatien | 0:2ccb9960a044 | 70 | int HTTPClient::post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, uint32_t timeout /*= HTTP_CLIENT_DEFAULT_TIMEOUT*/) //Blocking |
donatien | 0:2ccb9960a044 | 71 | { |
donatien | 0:2ccb9960a044 | 72 | return connect(url, HTTP_POST, (IHTTPDataOut*)&dataOut, pDataIn, timeout); |
donatien | 0:2ccb9960a044 | 73 | } |
donatien | 0:2ccb9960a044 | 74 | |
donatien | 0:2ccb9960a044 | 75 | int HTTPClient::getHTTPResponseCode() |
donatien | 0:2ccb9960a044 | 76 | { |
donatien | 0:2ccb9960a044 | 77 | return m_httpResponseCode; |
donatien | 0:2ccb9960a044 | 78 | } |
donatien | 0:2ccb9960a044 | 79 | |
donatien | 0:2ccb9960a044 | 80 | |
donatien | 0:2ccb9960a044 | 81 | int HTTPClient::connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, uint32_t timeout) //Execute request |
donatien | 0:2ccb9960a044 | 82 | { |
donatien | 0:2ccb9960a044 | 83 | m_httpResponseCode = 0; //Invalidate code |
donatien | 0:2ccb9960a044 | 84 | m_timeout = timeout; |
donatien | 0:2ccb9960a044 | 85 | |
donatien | 0:2ccb9960a044 | 86 | char scheme[8]; |
donatien | 0:2ccb9960a044 | 87 | uint16_t port; |
donatien | 0:2ccb9960a044 | 88 | char host[32]; |
donatien | 0:2ccb9960a044 | 89 | char path[64]; |
donatien | 0:2ccb9960a044 | 90 | //First we need to parse the url (http[s]://host[:port][/[path]]) -- HTTPS not supported (yet?) |
donatien | 0:2ccb9960a044 | 91 | int ret = parseURL(url, scheme, sizeof(scheme), host, sizeof(host), &port, path, sizeof(path)); |
donatien | 0:2ccb9960a044 | 92 | if(ret != OK) |
donatien | 0:2ccb9960a044 | 93 | { |
donatien | 0:2ccb9960a044 | 94 | ERR("parseURL returned %d", ret); |
donatien | 0:2ccb9960a044 | 95 | return ret; |
donatien | 0:2ccb9960a044 | 96 | } |
donatien | 0:2ccb9960a044 | 97 | |
donatien | 0:2ccb9960a044 | 98 | if(port == 0) //TODO do handle HTTPS->443 |
donatien | 0:2ccb9960a044 | 99 | { |
donatien | 0:2ccb9960a044 | 100 | port = 80; |
donatien | 0:2ccb9960a044 | 101 | } |
donatien | 0:2ccb9960a044 | 102 | |
donatien | 0:2ccb9960a044 | 103 | DBG("Scheme: %s", scheme); |
donatien | 0:2ccb9960a044 | 104 | DBG("Host: %s", host); |
donatien | 0:2ccb9960a044 | 105 | DBG("Port: %d", port); |
donatien | 0:2ccb9960a044 | 106 | DBG("Path: %s", path); |
donatien | 0:2ccb9960a044 | 107 | |
donatien | 0:2ccb9960a044 | 108 | //Now populate structure |
donatien | 0:2ccb9960a044 | 109 | std::memset(&m_serverAddr, 0, sizeof(struct sockaddr_in)); |
donatien | 0:2ccb9960a044 | 110 | |
donatien | 0:2ccb9960a044 | 111 | //Resolve DNS if needed |
donatien | 0:2ccb9960a044 | 112 | |
donatien | 0:2ccb9960a044 | 113 | DBG("Resolving DNS address or populate hard-coded IP address"); |
donatien | 0:2ccb9960a044 | 114 | struct hostent *server = socket::gethostbyname(host); |
donatien | 0:2ccb9960a044 | 115 | if(server == NULL) |
donatien | 0:2ccb9960a044 | 116 | { |
donatien | 0:2ccb9960a044 | 117 | return NET_NOTFOUND; //Fail |
donatien | 0:2ccb9960a044 | 118 | } |
donatien | 0:2ccb9960a044 | 119 | memcpy((char*)&m_serverAddr.sin_addr.s_addr, (char*)server->h_addr_list[0], server->h_length); |
donatien | 0:2ccb9960a044 | 120 | |
donatien | 0:2ccb9960a044 | 121 | m_serverAddr.sin_family = AF_INET; |
donatien | 0:2ccb9960a044 | 122 | m_serverAddr.sin_port = htons(port); |
donatien | 0:2ccb9960a044 | 123 | |
donatien | 0:2ccb9960a044 | 124 | //Create socket |
donatien | 0:2ccb9960a044 | 125 | DBG("Creating socket"); |
donatien | 0:2ccb9960a044 | 126 | m_sock = socket::socket(AF_INET, SOCK_STREAM, 0); //UDP socket |
donatien | 0:2ccb9960a044 | 127 | if (m_sock < 0) |
donatien | 0:2ccb9960a044 | 128 | { |
donatien | 0:2ccb9960a044 | 129 | ERR("Could not create socket"); |
donatien | 0:2ccb9960a044 | 130 | return NET_OOM; |
donatien | 0:2ccb9960a044 | 131 | } |
donatien | 0:2ccb9960a044 | 132 | DBG("Handle is %d", m_sock); |
donatien | 0:2ccb9960a044 | 133 | |
donatien | 0:2ccb9960a044 | 134 | //Connect it |
donatien | 0:2ccb9960a044 | 135 | DBG("Connecting socket to %s:%d", inet_ntoa(m_serverAddr.sin_addr), ntohs(m_serverAddr.sin_port)); |
donatien | 0:2ccb9960a044 | 136 | ret = socket::connect(m_sock, (const struct sockaddr *)&m_serverAddr, sizeof(m_serverAddr)); |
donatien | 0:2ccb9960a044 | 137 | if (ret < 0) |
donatien | 0:2ccb9960a044 | 138 | { |
donatien | 0:2ccb9960a044 | 139 | socket::close(m_sock); |
donatien | 0:2ccb9960a044 | 140 | ERR("Could not connect"); |
donatien | 0:2ccb9960a044 | 141 | return NET_CONN; |
donatien | 0:2ccb9960a044 | 142 | } |
donatien | 0:2ccb9960a044 | 143 | |
donatien | 0:2ccb9960a044 | 144 | //Send request |
donatien | 0:2ccb9960a044 | 145 | DBG("Sending request"); |
donatien | 0:2ccb9960a044 | 146 | char line[128]; |
donatien | 0:2ccb9960a044 | 147 | const char* meth = (method==HTTP_GET)?"GET":(method==HTTP_POST)?"POST":""; |
donatien | 0:2ccb9960a044 | 148 | snprintf(line, sizeof(line), "%s %s HTTP/1.1\r\nHost: %s\r\n", meth, path, host); //Write request |
donatien | 0:2ccb9960a044 | 149 | ret = send(line); |
donatien | 0:2ccb9960a044 | 150 | if(ret) |
donatien | 0:2ccb9960a044 | 151 | { |
donatien | 0:2ccb9960a044 | 152 | socket::close(m_sock); |
donatien | 0:2ccb9960a044 | 153 | ERR("Could not write request"); |
donatien | 0:2ccb9960a044 | 154 | return NET_CONN; |
donatien | 0:2ccb9960a044 | 155 | } |
donatien | 0:2ccb9960a044 | 156 | |
donatien | 1:b70c37cf73ca | 157 | size_t recvContentLength = 0; |
donatien | 1:b70c37cf73ca | 158 | bool recvChunked = false; |
donatien | 2:75f5b83238af | 159 | char buf[CHUNK_SIZE]; |
donatien | 2:75f5b83238af | 160 | size_t trfLen; |
donatien | 2:75f5b83238af | 161 | int crlfPos; |
donatien | 1:b70c37cf73ca | 162 | |
donatien | 0:2ccb9960a044 | 163 | //Send all headers |
donatien | 0:2ccb9960a044 | 164 | |
donatien | 0:2ccb9960a044 | 165 | //Send default headers |
donatien | 0:2ccb9960a044 | 166 | DBG("Sending headers"); |
donatien | 0:2ccb9960a044 | 167 | if( (method == HTTP_POST) && (pDataOut != NULL) ) |
donatien | 0:2ccb9960a044 | 168 | { |
donatien | 0:2ccb9960a044 | 169 | if( pDataOut->getIsChunked() ) |
donatien | 0:2ccb9960a044 | 170 | { |
donatien | 0:2ccb9960a044 | 171 | ret = send("Transfer-Encoding: chunked\r\n"); |
donatien | 0:2ccb9960a044 | 172 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 173 | } |
donatien | 0:2ccb9960a044 | 174 | else |
donatien | 0:2ccb9960a044 | 175 | { |
donatien | 0:2ccb9960a044 | 176 | snprintf(line, sizeof(line), "Content-Length: %d\r\n", pDataOut->getDataLen()); |
donatien | 0:2ccb9960a044 | 177 | ret = send(line); |
donatien | 0:2ccb9960a044 | 178 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 179 | } |
donatien | 0:2ccb9960a044 | 180 | char type[48]; |
donatien | 0:2ccb9960a044 | 181 | if( pDataOut->getDataType(type, 48) == OK ) |
donatien | 0:2ccb9960a044 | 182 | { |
donatien | 0:2ccb9960a044 | 183 | snprintf(line, sizeof(line), "Content-Type: %s\r\n", type); |
donatien | 0:2ccb9960a044 | 184 | ret = send(line); |
donatien | 0:2ccb9960a044 | 185 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 186 | } |
donatien | 0:2ccb9960a044 | 187 | } |
donatien | 0:2ccb9960a044 | 188 | |
donatien | 0:2ccb9960a044 | 189 | //Close headers |
donatien | 0:2ccb9960a044 | 190 | DBG("Headers sent"); |
donatien | 0:2ccb9960a044 | 191 | ret = send("\r\n"); |
donatien | 0:2ccb9960a044 | 192 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 193 | |
donatien | 0:2ccb9960a044 | 194 | //Send data (if POST) |
donatien | 0:2ccb9960a044 | 195 | if( (method == HTTP_POST) && (pDataOut != NULL) ) |
donatien | 0:2ccb9960a044 | 196 | { |
donatien | 0:2ccb9960a044 | 197 | DBG("Sending data"); |
donatien | 0:2ccb9960a044 | 198 | while(true) |
donatien | 0:2ccb9960a044 | 199 | { |
donatien | 0:2ccb9960a044 | 200 | size_t writtenLen = 0; |
donatien | 0:2ccb9960a044 | 201 | pDataOut->read(buf, CHUNK_SIZE, &trfLen); |
donatien | 0:2ccb9960a044 | 202 | if( pDataOut->getIsChunked() ) |
donatien | 0:2ccb9960a044 | 203 | { |
donatien | 0:2ccb9960a044 | 204 | //Write chunk header |
donatien | 0:2ccb9960a044 | 205 | snprintf(line, sizeof(line), "%X\r\n", trfLen); //In hex encoding |
donatien | 0:2ccb9960a044 | 206 | ret = send(line); |
donatien | 0:2ccb9960a044 | 207 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 208 | } |
donatien | 0:2ccb9960a044 | 209 | else if( trfLen == 0 ) |
donatien | 0:2ccb9960a044 | 210 | { |
donatien | 0:2ccb9960a044 | 211 | break; |
donatien | 0:2ccb9960a044 | 212 | } |
donatien | 0:2ccb9960a044 | 213 | if( trfLen != 0 ) |
donatien | 0:2ccb9960a044 | 214 | { |
donatien | 0:2ccb9960a044 | 215 | ret = send(buf, trfLen); |
donatien | 0:2ccb9960a044 | 216 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 217 | } |
donatien | 0:2ccb9960a044 | 218 | |
donatien | 0:2ccb9960a044 | 219 | if( pDataOut->getIsChunked() ) |
donatien | 0:2ccb9960a044 | 220 | { |
donatien | 0:2ccb9960a044 | 221 | ret = send("\r\n"); //Chunk-terminating CRLF |
donatien | 0:2ccb9960a044 | 222 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 223 | } |
donatien | 0:2ccb9960a044 | 224 | else |
donatien | 0:2ccb9960a044 | 225 | { |
donatien | 0:2ccb9960a044 | 226 | writtenLen += trfLen; |
donatien | 0:2ccb9960a044 | 227 | if( writtenLen >= pDataOut->getDataLen() ) |
donatien | 0:2ccb9960a044 | 228 | { |
donatien | 0:2ccb9960a044 | 229 | break; |
donatien | 0:2ccb9960a044 | 230 | } |
donatien | 0:2ccb9960a044 | 231 | } |
donatien | 0:2ccb9960a044 | 232 | |
donatien | 0:2ccb9960a044 | 233 | if( trfLen == 0 ) |
donatien | 0:2ccb9960a044 | 234 | { |
donatien | 0:2ccb9960a044 | 235 | break; |
donatien | 0:2ccb9960a044 | 236 | } |
donatien | 0:2ccb9960a044 | 237 | } |
donatien | 0:2ccb9960a044 | 238 | |
donatien | 0:2ccb9960a044 | 239 | } |
donatien | 0:2ccb9960a044 | 240 | |
donatien | 0:2ccb9960a044 | 241 | //Receive response |
donatien | 0:2ccb9960a044 | 242 | DBG("Receiving response"); |
donatien | 0:2ccb9960a044 | 243 | ret = recv(buf, CHUNK_SIZE, CHUNK_SIZE, &trfLen); //Read n bytes |
donatien | 0:2ccb9960a044 | 244 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 245 | |
donatien | 0:2ccb9960a044 | 246 | buf[trfLen] = '\0'; |
donatien | 0:2ccb9960a044 | 247 | |
donatien | 0:2ccb9960a044 | 248 | char* crlfPtr = strstr(buf, "\r\n"); |
donatien | 0:2ccb9960a044 | 249 | if(crlfPtr == NULL) |
donatien | 0:2ccb9960a044 | 250 | { |
donatien | 0:2ccb9960a044 | 251 | goto prtclerr; |
donatien | 0:2ccb9960a044 | 252 | } |
donatien | 0:2ccb9960a044 | 253 | |
donatien | 2:75f5b83238af | 254 | crlfPos = crlfPtr - buf; |
donatien | 0:2ccb9960a044 | 255 | buf[crlfPos] = '\0'; |
donatien | 0:2ccb9960a044 | 256 | |
donatien | 0:2ccb9960a044 | 257 | //Parse HTTP response |
donatien | 0:2ccb9960a044 | 258 | if( sscanf(buf, "HTTP/%*d.%*d %d %*[^\r\n]", &m_httpResponseCode) != 1 ) |
donatien | 0:2ccb9960a044 | 259 | { |
donatien | 0:2ccb9960a044 | 260 | //Cannot match string, error |
donatien | 0:2ccb9960a044 | 261 | ERR("Not a correct HTTP answer : %s\n", buf); |
donatien | 0:2ccb9960a044 | 262 | goto prtclerr; |
donatien | 0:2ccb9960a044 | 263 | } |
donatien | 0:2ccb9960a044 | 264 | |
donatien | 0:2ccb9960a044 | 265 | if(m_httpResponseCode != 200) |
donatien | 0:2ccb9960a044 | 266 | { |
donatien | 0:2ccb9960a044 | 267 | //Cannot match string, error |
donatien | 0:2ccb9960a044 | 268 | WARN("Response code %d", m_httpResponseCode); |
donatien | 0:2ccb9960a044 | 269 | goto prtclerr; |
donatien | 0:2ccb9960a044 | 270 | } |
donatien | 0:2ccb9960a044 | 271 | |
donatien | 0:2ccb9960a044 | 272 | DBG("Reading headers"); |
donatien | 0:2ccb9960a044 | 273 | |
donatien | 0:2ccb9960a044 | 274 | memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); |
donatien | 0:2ccb9960a044 | 275 | trfLen -= (crlfPos + 2); |
donatien | 0:2ccb9960a044 | 276 | |
donatien | 0:2ccb9960a044 | 277 | //Now get headers |
donatien | 0:2ccb9960a044 | 278 | while( true ) |
donatien | 0:2ccb9960a044 | 279 | { |
donatien | 0:2ccb9960a044 | 280 | crlfPtr = strstr(buf, "\r\n"); |
donatien | 0:2ccb9960a044 | 281 | if(crlfPtr == NULL) |
donatien | 0:2ccb9960a044 | 282 | { |
donatien | 0:2ccb9960a044 | 283 | if( trfLen < CHUNK_SIZE ) |
donatien | 0:2ccb9960a044 | 284 | { |
donatien | 0:2ccb9960a044 | 285 | size_t newTrfLen; |
donatien | 0:2ccb9960a044 | 286 | ret = recv(buf + trfLen, 1, CHUNK_SIZE - trfLen - 1, &newTrfLen); |
donatien | 0:2ccb9960a044 | 287 | trfLen += newTrfLen; |
donatien | 0:2ccb9960a044 | 288 | buf[trfLen] = '\0'; |
donatien | 0:2ccb9960a044 | 289 | DBG("In buf: [%s]", buf); |
donatien | 0:2ccb9960a044 | 290 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 291 | continue; |
donatien | 0:2ccb9960a044 | 292 | } |
donatien | 0:2ccb9960a044 | 293 | else |
donatien | 0:2ccb9960a044 | 294 | { |
donatien | 0:2ccb9960a044 | 295 | goto prtclerr; |
donatien | 0:2ccb9960a044 | 296 | } |
donatien | 0:2ccb9960a044 | 297 | } |
donatien | 0:2ccb9960a044 | 298 | |
donatien | 0:2ccb9960a044 | 299 | crlfPos = crlfPtr - buf; |
donatien | 0:2ccb9960a044 | 300 | |
donatien | 0:2ccb9960a044 | 301 | if(crlfPos == 0) //End of headers |
donatien | 0:2ccb9960a044 | 302 | { |
donatien | 0:2ccb9960a044 | 303 | DBG("Headers read"); |
donatien | 0:2ccb9960a044 | 304 | memmove(buf, &buf[2], trfLen - 2); |
donatien | 0:2ccb9960a044 | 305 | trfLen -= 2; |
donatien | 0:2ccb9960a044 | 306 | break; |
donatien | 0:2ccb9960a044 | 307 | } |
donatien | 0:2ccb9960a044 | 308 | |
donatien | 0:2ccb9960a044 | 309 | buf[crlfPos] = '\0'; |
donatien | 0:2ccb9960a044 | 310 | |
donatien | 0:2ccb9960a044 | 311 | char key[16]; |
donatien | 0:2ccb9960a044 | 312 | char value[16]; |
donatien | 0:2ccb9960a044 | 313 | |
donatien | 0:2ccb9960a044 | 314 | int n = sscanf(buf, "%16[^:]: %16[^\r\n]", key, value); |
donatien | 0:2ccb9960a044 | 315 | if ( n == 2 ) |
donatien | 0:2ccb9960a044 | 316 | { |
donatien | 0:2ccb9960a044 | 317 | DBG("Read header : %s: %s\n", key, value); |
donatien | 0:2ccb9960a044 | 318 | if( !strcmp(key, "Content-Length") ) |
donatien | 0:2ccb9960a044 | 319 | { |
donatien | 0:2ccb9960a044 | 320 | sscanf(value, "%d", &recvContentLength); |
donatien | 0:2ccb9960a044 | 321 | pDataIn->setDataLen(recvContentLength); |
donatien | 0:2ccb9960a044 | 322 | } |
donatien | 0:2ccb9960a044 | 323 | else if( !strcmp(key, "Transfer-Encoding") ) |
donatien | 0:2ccb9960a044 | 324 | { |
donatien | 0:2ccb9960a044 | 325 | if( !strcmp(value, "Chunked") || !strcmp(value, "chunked") ) |
donatien | 0:2ccb9960a044 | 326 | { |
donatien | 0:2ccb9960a044 | 327 | recvChunked = true; |
donatien | 0:2ccb9960a044 | 328 | pDataIn->setIsChunked(true); |
donatien | 0:2ccb9960a044 | 329 | } |
donatien | 0:2ccb9960a044 | 330 | } |
donatien | 0:2ccb9960a044 | 331 | else if( !strcmp(key, "Content-Type") ) |
donatien | 0:2ccb9960a044 | 332 | { |
donatien | 0:2ccb9960a044 | 333 | pDataIn->setDataType(value); |
donatien | 0:2ccb9960a044 | 334 | } |
donatien | 0:2ccb9960a044 | 335 | |
donatien | 0:2ccb9960a044 | 336 | memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); |
donatien | 0:2ccb9960a044 | 337 | trfLen -= (crlfPos + 2); |
donatien | 0:2ccb9960a044 | 338 | |
donatien | 0:2ccb9960a044 | 339 | } |
donatien | 0:2ccb9960a044 | 340 | else |
donatien | 0:2ccb9960a044 | 341 | { |
donatien | 0:2ccb9960a044 | 342 | ERR("Could not parse header"); |
donatien | 0:2ccb9960a044 | 343 | goto prtclerr; |
donatien | 0:2ccb9960a044 | 344 | } |
donatien | 0:2ccb9960a044 | 345 | |
donatien | 0:2ccb9960a044 | 346 | } |
donatien | 0:2ccb9960a044 | 347 | |
donatien | 0:2ccb9960a044 | 348 | //Receive data |
donatien | 0:2ccb9960a044 | 349 | DBG("Receiving data"); |
donatien | 0:2ccb9960a044 | 350 | while(true) |
donatien | 0:2ccb9960a044 | 351 | { |
donatien | 0:2ccb9960a044 | 352 | size_t readLen = 0; |
donatien | 0:2ccb9960a044 | 353 | |
donatien | 0:2ccb9960a044 | 354 | if( recvChunked ) |
donatien | 0:2ccb9960a044 | 355 | { |
donatien | 0:2ccb9960a044 | 356 | //Read chunk header |
donatien | 0:2ccb9960a044 | 357 | crlfPos=0; |
donatien | 0:2ccb9960a044 | 358 | for(crlfPos++; crlfPos < trfLen - 2; crlfPos++) |
donatien | 0:2ccb9960a044 | 359 | { |
donatien | 0:2ccb9960a044 | 360 | if( buf[crlfPos] == '\r' && buf[crlfPos + 1] == '\n' ) |
donatien | 0:2ccb9960a044 | 361 | { |
donatien | 0:2ccb9960a044 | 362 | break; |
donatien | 0:2ccb9960a044 | 363 | } |
donatien | 0:2ccb9960a044 | 364 | } |
donatien | 0:2ccb9960a044 | 365 | if(crlfPos >= trfLen - 2) //Try to read more |
donatien | 0:2ccb9960a044 | 366 | { |
donatien | 0:2ccb9960a044 | 367 | if( trfLen < CHUNK_SIZE ) |
donatien | 0:2ccb9960a044 | 368 | { |
donatien | 0:2ccb9960a044 | 369 | size_t newTrfLen; |
donatien | 0:2ccb9960a044 | 370 | ret = recv(buf + trfLen, 0, CHUNK_SIZE - trfLen - 1, &newTrfLen); |
donatien | 0:2ccb9960a044 | 371 | trfLen += newTrfLen; |
donatien | 0:2ccb9960a044 | 372 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 373 | continue; |
donatien | 0:2ccb9960a044 | 374 | } |
donatien | 0:2ccb9960a044 | 375 | else |
donatien | 0:2ccb9960a044 | 376 | { |
donatien | 0:2ccb9960a044 | 377 | goto prtclerr; |
donatien | 0:2ccb9960a044 | 378 | } |
donatien | 0:2ccb9960a044 | 379 | } |
donatien | 0:2ccb9960a044 | 380 | buf[crlfPos] = '\0'; |
donatien | 0:2ccb9960a044 | 381 | int n = sscanf(buf, "%x", &readLen); |
donatien | 0:2ccb9960a044 | 382 | if(n!=1) |
donatien | 0:2ccb9960a044 | 383 | { |
donatien | 0:2ccb9960a044 | 384 | ERR("Could not read chunk length"); |
donatien | 0:2ccb9960a044 | 385 | goto prtclerr; |
donatien | 0:2ccb9960a044 | 386 | } |
donatien | 0:2ccb9960a044 | 387 | |
donatien | 0:2ccb9960a044 | 388 | memmove(buf, &buf[crlfPos+2], trfLen - (crlfPos + 2)); |
donatien | 0:2ccb9960a044 | 389 | trfLen -= (crlfPos + 2); |
donatien | 0:2ccb9960a044 | 390 | |
donatien | 0:2ccb9960a044 | 391 | if( readLen == 0 ) |
donatien | 0:2ccb9960a044 | 392 | { |
donatien | 0:2ccb9960a044 | 393 | //Last chunk |
donatien | 0:2ccb9960a044 | 394 | break; |
donatien | 0:2ccb9960a044 | 395 | } |
donatien | 0:2ccb9960a044 | 396 | } |
donatien | 0:2ccb9960a044 | 397 | else |
donatien | 0:2ccb9960a044 | 398 | { |
donatien | 0:2ccb9960a044 | 399 | readLen = recvContentLength; |
donatien | 0:2ccb9960a044 | 400 | } |
donatien | 0:2ccb9960a044 | 401 | |
donatien | 0:2ccb9960a044 | 402 | DBG("Retrieving %d bytes", readLen); |
donatien | 0:2ccb9960a044 | 403 | |
donatien | 0:2ccb9960a044 | 404 | do |
donatien | 0:2ccb9960a044 | 405 | { |
donatien | 0:2ccb9960a044 | 406 | pDataIn->write(buf, MIN(trfLen, readLen)); |
donatien | 0:2ccb9960a044 | 407 | if( trfLen > readLen ) |
donatien | 0:2ccb9960a044 | 408 | { |
donatien | 0:2ccb9960a044 | 409 | memmove(buf, &buf[readLen], trfLen - readLen); |
donatien | 0:2ccb9960a044 | 410 | trfLen -= readLen; |
donatien | 0:2ccb9960a044 | 411 | readLen = 0; |
donatien | 0:2ccb9960a044 | 412 | } |
donatien | 0:2ccb9960a044 | 413 | else |
donatien | 0:2ccb9960a044 | 414 | { |
donatien | 0:2ccb9960a044 | 415 | readLen -= trfLen; |
donatien | 0:2ccb9960a044 | 416 | } |
donatien | 0:2ccb9960a044 | 417 | |
donatien | 0:2ccb9960a044 | 418 | if(readLen) |
donatien | 0:2ccb9960a044 | 419 | { |
donatien | 0:2ccb9960a044 | 420 | ret = recv(buf, 1, CHUNK_SIZE - trfLen - 1, &trfLen); |
donatien | 0:2ccb9960a044 | 421 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 422 | |
donatien | 0:2ccb9960a044 | 423 | } |
donatien | 0:2ccb9960a044 | 424 | } while(readLen); |
donatien | 0:2ccb9960a044 | 425 | |
donatien | 0:2ccb9960a044 | 426 | if( recvChunked ) |
donatien | 0:2ccb9960a044 | 427 | { |
donatien | 0:2ccb9960a044 | 428 | if(trfLen < 2) |
donatien | 0:2ccb9960a044 | 429 | { |
donatien | 0:2ccb9960a044 | 430 | size_t newTrfLen; |
donatien | 0:2ccb9960a044 | 431 | //Read missing chars to find end of chunk |
donatien | 0:2ccb9960a044 | 432 | ret = recv(buf, 2 - trfLen, CHUNK_SIZE, &newTrfLen); |
donatien | 0:2ccb9960a044 | 433 | if(ret != OK) goto connerr; |
donatien | 0:2ccb9960a044 | 434 | trfLen += newTrfLen; |
donatien | 0:2ccb9960a044 | 435 | } |
donatien | 0:2ccb9960a044 | 436 | if( (buf[0] != '\r') || (buf[1] != '\n') ) |
donatien | 0:2ccb9960a044 | 437 | { |
donatien | 0:2ccb9960a044 | 438 | ERR("Format error"); |
donatien | 0:2ccb9960a044 | 439 | goto prtclerr; |
donatien | 0:2ccb9960a044 | 440 | } |
donatien | 0:2ccb9960a044 | 441 | memmove(buf, &buf[2], trfLen - 2); |
donatien | 0:2ccb9960a044 | 442 | trfLen -= 2; |
donatien | 0:2ccb9960a044 | 443 | } |
donatien | 0:2ccb9960a044 | 444 | else |
donatien | 0:2ccb9960a044 | 445 | { |
donatien | 0:2ccb9960a044 | 446 | break; |
donatien | 0:2ccb9960a044 | 447 | } |
donatien | 0:2ccb9960a044 | 448 | |
donatien | 0:2ccb9960a044 | 449 | } |
donatien | 0:2ccb9960a044 | 450 | |
donatien | 0:2ccb9960a044 | 451 | socket::close(m_sock); |
donatien | 0:2ccb9960a044 | 452 | DBG("Completed HTTP transaction"); |
donatien | 0:2ccb9960a044 | 453 | |
donatien | 0:2ccb9960a044 | 454 | return OK; |
donatien | 0:2ccb9960a044 | 455 | |
donatien | 0:2ccb9960a044 | 456 | connerr: |
donatien | 0:2ccb9960a044 | 457 | socket::close(m_sock); |
donatien | 0:2ccb9960a044 | 458 | ERR("Connection error (%d)", ret); |
donatien | 0:2ccb9960a044 | 459 | return NET_CONN; |
donatien | 0:2ccb9960a044 | 460 | |
donatien | 0:2ccb9960a044 | 461 | prtclerr: |
donatien | 0:2ccb9960a044 | 462 | socket::close(m_sock); |
donatien | 0:2ccb9960a044 | 463 | ERR("Protocol error"); |
donatien | 0:2ccb9960a044 | 464 | return NET_PROTOCOL; |
donatien | 0:2ccb9960a044 | 465 | |
donatien | 0:2ccb9960a044 | 466 | } |
donatien | 0:2ccb9960a044 | 467 | |
donatien | 0:2ccb9960a044 | 468 | int HTTPClient::recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen) //0 on success, err code on failure |
donatien | 0:2ccb9960a044 | 469 | { |
donatien | 0:2ccb9960a044 | 470 | DBG("Trying to read between %d and %d bytes", minLen, maxLen); |
donatien | 0:2ccb9960a044 | 471 | size_t readLen = 0; |
donatien | 0:2ccb9960a044 | 472 | while(readLen < minLen) |
donatien | 0:2ccb9960a044 | 473 | { |
donatien | 0:2ccb9960a044 | 474 | //Wait for socket to be readable |
donatien | 0:2ccb9960a044 | 475 | //Creating FS set |
donatien | 0:2ccb9960a044 | 476 | fd_set socksSet; |
donatien | 0:2ccb9960a044 | 477 | FD_ZERO(&socksSet); |
donatien | 0:2ccb9960a044 | 478 | FD_SET(m_sock, &socksSet); |
donatien | 0:2ccb9960a044 | 479 | struct timeval t_val; |
donatien | 0:2ccb9960a044 | 480 | t_val.tv_sec = m_timeout / 1000; |
donatien | 0:2ccb9960a044 | 481 | t_val.tv_usec = (m_timeout - (t_val.tv_sec * 1000)) * 1000; |
donatien | 0:2ccb9960a044 | 482 | int ret = socket::select(FD_SETSIZE, &socksSet, NULL, NULL, &t_val); |
donatien | 0:2ccb9960a044 | 483 | if(ret <= 0 || !FD_ISSET(m_sock, &socksSet)) |
donatien | 0:2ccb9960a044 | 484 | { |
donatien | 0:2ccb9960a044 | 485 | WARN("Timeout"); |
donatien | 0:2ccb9960a044 | 486 | return NET_TIMEOUT; //Timeout |
donatien | 0:2ccb9960a044 | 487 | } |
donatien | 0:2ccb9960a044 | 488 | |
donatien | 0:2ccb9960a044 | 489 | ret = socket::recv(m_sock, buf + readLen, maxLen - readLen, 0); |
donatien | 0:2ccb9960a044 | 490 | if( ret > 0) |
donatien | 0:2ccb9960a044 | 491 | { |
donatien | 0:2ccb9960a044 | 492 | readLen += ret; |
donatien | 0:2ccb9960a044 | 493 | continue; |
donatien | 0:2ccb9960a044 | 494 | } |
donatien | 0:2ccb9960a044 | 495 | else if( ret == 0 ) |
donatien | 0:2ccb9960a044 | 496 | { |
donatien | 0:2ccb9960a044 | 497 | WARN("Connection was closed by server"); |
donatien | 0:2ccb9960a044 | 498 | return NET_CLOSED; //Connection was closed by server |
donatien | 0:2ccb9960a044 | 499 | } |
donatien | 0:2ccb9960a044 | 500 | else |
donatien | 0:2ccb9960a044 | 501 | { |
donatien | 0:2ccb9960a044 | 502 | ERR("Connection error (recv returned %d)", ret); |
donatien | 0:2ccb9960a044 | 503 | return NET_CONN; |
donatien | 0:2ccb9960a044 | 504 | } |
donatien | 0:2ccb9960a044 | 505 | } |
donatien | 0:2ccb9960a044 | 506 | *pReadLen = readLen; |
donatien | 0:2ccb9960a044 | 507 | DBG("Read %d bytes", readLen); |
donatien | 0:2ccb9960a044 | 508 | return OK; |
donatien | 0:2ccb9960a044 | 509 | } |
donatien | 0:2ccb9960a044 | 510 | |
donatien | 0:2ccb9960a044 | 511 | int HTTPClient::send(char* buf, size_t len) //0 on success, err code on failure |
donatien | 0:2ccb9960a044 | 512 | { |
donatien | 0:2ccb9960a044 | 513 | if(len == 0) |
donatien | 0:2ccb9960a044 | 514 | { |
donatien | 0:2ccb9960a044 | 515 | len = strlen(buf); |
donatien | 0:2ccb9960a044 | 516 | } |
donatien | 0:2ccb9960a044 | 517 | DBG("Trying to write %d bytes", len); |
donatien | 0:2ccb9960a044 | 518 | size_t writtenLen = 0; |
donatien | 0:2ccb9960a044 | 519 | while(writtenLen < len) |
donatien | 0:2ccb9960a044 | 520 | { |
donatien | 0:2ccb9960a044 | 521 | //Wait for socket to be writeable |
donatien | 0:2ccb9960a044 | 522 | //Creating FS set |
donatien | 0:2ccb9960a044 | 523 | fd_set socksSet; |
donatien | 0:2ccb9960a044 | 524 | FD_ZERO(&socksSet); |
donatien | 0:2ccb9960a044 | 525 | FD_SET(m_sock, &socksSet); |
donatien | 0:2ccb9960a044 | 526 | struct timeval t_val; |
donatien | 0:2ccb9960a044 | 527 | t_val.tv_sec = m_timeout / 1000; |
donatien | 0:2ccb9960a044 | 528 | t_val.tv_usec = (m_timeout - (t_val.tv_sec * 1000)) * 1000; |
donatien | 0:2ccb9960a044 | 529 | int ret = socket::select(FD_SETSIZE, NULL, &socksSet, NULL, &t_val); |
donatien | 0:2ccb9960a044 | 530 | if(ret <= 0 || !FD_ISSET(m_sock, &socksSet)) |
donatien | 0:2ccb9960a044 | 531 | { |
donatien | 0:2ccb9960a044 | 532 | WARN("Timeout"); |
donatien | 0:2ccb9960a044 | 533 | return NET_TIMEOUT; //Timeout |
donatien | 0:2ccb9960a044 | 534 | } |
donatien | 0:2ccb9960a044 | 535 | |
donatien | 0:2ccb9960a044 | 536 | ret = socket::send(m_sock, buf + writtenLen, len - writtenLen, 0); |
donatien | 0:2ccb9960a044 | 537 | if( ret > 0) |
donatien | 0:2ccb9960a044 | 538 | { |
donatien | 0:2ccb9960a044 | 539 | writtenLen += ret; |
donatien | 0:2ccb9960a044 | 540 | continue; |
donatien | 0:2ccb9960a044 | 541 | } |
donatien | 0:2ccb9960a044 | 542 | else if( ret == 0 ) |
donatien | 0:2ccb9960a044 | 543 | { |
donatien | 0:2ccb9960a044 | 544 | WARN("Connection was closed by server"); |
donatien | 0:2ccb9960a044 | 545 | return NET_CLOSED; //Connection was closed by server |
donatien | 0:2ccb9960a044 | 546 | } |
donatien | 0:2ccb9960a044 | 547 | else |
donatien | 0:2ccb9960a044 | 548 | { |
donatien | 0:2ccb9960a044 | 549 | ERR("Connection error (recv returned %d)", ret); |
donatien | 0:2ccb9960a044 | 550 | return NET_CONN; |
donatien | 0:2ccb9960a044 | 551 | } |
donatien | 0:2ccb9960a044 | 552 | } |
donatien | 0:2ccb9960a044 | 553 | DBG("Written %d bytes", writtenLen); |
donatien | 0:2ccb9960a044 | 554 | return OK; |
donatien | 0:2ccb9960a044 | 555 | } |
donatien | 0:2ccb9960a044 | 556 | |
donatien | 0:2ccb9960a044 | 557 | int 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 | 558 | { |
donatien | 0:2ccb9960a044 | 559 | char* schemePtr = (char*) url; |
donatien | 0:2ccb9960a044 | 560 | char* hostPtr = (char*) strstr(url, "://"); |
donatien | 0:2ccb9960a044 | 561 | if(hostPtr == NULL) |
donatien | 0:2ccb9960a044 | 562 | { |
donatien | 0:2ccb9960a044 | 563 | WARN("Could not find host"); |
donatien | 0:2ccb9960a044 | 564 | return NET_INVALID; //URL is invalid |
donatien | 0:2ccb9960a044 | 565 | } |
donatien | 0:2ccb9960a044 | 566 | |
donatien | 0:2ccb9960a044 | 567 | if( maxSchemeLen < hostPtr - schemePtr + 1 ) //including NULL-terminating char |
donatien | 0:2ccb9960a044 | 568 | { |
donatien | 0:2ccb9960a044 | 569 | WARN("Scheme str is too small (%d >= %d)", maxSchemeLen, hostPtr - schemePtr + 1); |
donatien | 0:2ccb9960a044 | 570 | return NET_TOOSMALL; |
donatien | 0:2ccb9960a044 | 571 | } |
donatien | 0:2ccb9960a044 | 572 | memcpy(scheme, schemePtr, hostPtr - schemePtr); |
donatien | 0:2ccb9960a044 | 573 | scheme[hostPtr - schemePtr] = '\0'; |
donatien | 0:2ccb9960a044 | 574 | |
donatien | 0:2ccb9960a044 | 575 | hostPtr+=3; |
donatien | 0:2ccb9960a044 | 576 | |
donatien | 0:2ccb9960a044 | 577 | size_t hostLen = 0; |
donatien | 0:2ccb9960a044 | 578 | |
donatien | 0:2ccb9960a044 | 579 | char* portPtr = strchr(hostPtr, ':'); |
donatien | 0:2ccb9960a044 | 580 | if( portPtr != NULL ) |
donatien | 0:2ccb9960a044 | 581 | { |
donatien | 0:2ccb9960a044 | 582 | hostLen = portPtr - hostPtr; |
donatien | 0:2ccb9960a044 | 583 | portPtr++; |
donatien | 0:2ccb9960a044 | 584 | if( sscanf(portPtr, "%d", &port) != 1) |
donatien | 0:2ccb9960a044 | 585 | { |
donatien | 0:2ccb9960a044 | 586 | WARN("Could not find port"); |
donatien | 0:2ccb9960a044 | 587 | return NET_INVALID; |
donatien | 0:2ccb9960a044 | 588 | } |
donatien | 0:2ccb9960a044 | 589 | } |
donatien | 0:2ccb9960a044 | 590 | else |
donatien | 0:2ccb9960a044 | 591 | { |
donatien | 0:2ccb9960a044 | 592 | *port=0; |
donatien | 0:2ccb9960a044 | 593 | } |
donatien | 0:2ccb9960a044 | 594 | char* pathPtr = strchr(hostPtr, '/'); |
donatien | 0:2ccb9960a044 | 595 | if( hostLen == 0 ) |
donatien | 0:2ccb9960a044 | 596 | { |
donatien | 0:2ccb9960a044 | 597 | hostLen = pathPtr - hostPtr; |
donatien | 0:2ccb9960a044 | 598 | } |
donatien | 0:2ccb9960a044 | 599 | |
donatien | 0:2ccb9960a044 | 600 | if( maxHostLen < hostLen + 1 ) //including NULL-terminating char |
donatien | 0:2ccb9960a044 | 601 | { |
donatien | 0:2ccb9960a044 | 602 | WARN("Host str is too small (%d >= %d)", maxHostLen, hostLen + 1); |
donatien | 0:2ccb9960a044 | 603 | return NET_TOOSMALL; |
donatien | 0:2ccb9960a044 | 604 | } |
donatien | 0:2ccb9960a044 | 605 | memcpy(host, hostPtr, hostLen); |
donatien | 0:2ccb9960a044 | 606 | host[hostLen] = '\0'; |
donatien | 0:2ccb9960a044 | 607 | |
donatien | 0:2ccb9960a044 | 608 | size_t pathLen; |
donatien | 0:2ccb9960a044 | 609 | char* fragmentPtr = strchr(hostPtr, '#'); |
donatien | 0:2ccb9960a044 | 610 | if(fragmentPtr != NULL) |
donatien | 0:2ccb9960a044 | 611 | { |
donatien | 0:2ccb9960a044 | 612 | pathLen = fragmentPtr - pathPtr; |
donatien | 0:2ccb9960a044 | 613 | } |
donatien | 0:2ccb9960a044 | 614 | else |
donatien | 0:2ccb9960a044 | 615 | { |
donatien | 0:2ccb9960a044 | 616 | pathLen = strlen(pathPtr); |
donatien | 0:2ccb9960a044 | 617 | } |
donatien | 0:2ccb9960a044 | 618 | |
donatien | 0:2ccb9960a044 | 619 | if( maxPathLen < pathLen + 1 ) //including NULL-terminating char |
donatien | 0:2ccb9960a044 | 620 | { |
donatien | 0:2ccb9960a044 | 621 | WARN("Path str is too small (%d >= %d)", maxPathLen, pathLen + 1); |
donatien | 0:2ccb9960a044 | 622 | return NET_TOOSMALL; |
donatien | 0:2ccb9960a044 | 623 | } |
donatien | 0:2ccb9960a044 | 624 | memcpy(path, pathPtr, pathLen); |
donatien | 0:2ccb9960a044 | 625 | path[pathLen] = '\0'; |
donatien | 0:2ccb9960a044 | 626 | |
donatien | 0:2ccb9960a044 | 627 | return OK; |
donatien | 0:2ccb9960a044 | 628 | } |