Single instance HTTP Server using new Ethernet Interface. Blocking mode only; this improved stability, but the HTTP server must be started from a separate thread.
Fork of HTTPServer by
Handler/FsHandler.cpp
- Committer:
- leihen
- Date:
- 2013-06-05
- Revision:
- 12:ba81cc117fb6
- Parent:
- 9:c2a1462b9b71
- Child:
- 13:aa5338a5e452
File content as of revision 12:ba81cc117fb6:
/* FsHandler.cpp */ #include "mbed.h" #include "FsHandler.h" #define _DEBUG 0 #if (_DEBUG && !defined(TARGET_LPC11U24)) #define INFO(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__); #define WARN(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__); #define ERR(x, ...) std::printf("[HTTPFsRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__); #else #define INFO(x, ...) #define WARN(x, ...) #define ERR(x, ...) #endif static int matchstrings(const char* one, const char* two) { int m = 0; for (m = 0; m < min(strlen(one), strlen(two)) ; m++) { if (one[m] != two[m]) return m; } return m; } std::map<const char*, const char*> HTTPFsRequestHandler::m_fsMap; HTTPFsRequestHandler::HTTPFsRequestHandler(const char* rootPath, const char* localPath, HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp) : HTTPRequestHandler(Msg, Tcp) { m_rootPath = rootPath; m_localPath = localPath; string myPath = m_rootPath + m_localPath; // Now replace the virtual root path with a mounted device path std::map<const char*, const char*>::iterator it; const char *bestMatch = NULL; const char *bestMatchExchange = NULL; int match_ind = -1; for (it = m_fsMap.begin() ; it != m_fsMap.end() ; it++) { // find best match (if the given logical path is containted in the root int s = matchstrings(myPath.c_str(), it->second); INFO("Matching Root %s with handler %s results in %d identical characters\n", myPath.c_str(), it->second, s); if ((s == strlen(it->second)) && (s > match_ind)) { match_ind = s; bestMatch = it->first; bestMatchExchange = it->second; } } if (bestMatch != NULL) { m_rootPath = bestMatch; m_localPath = string(myPath).substr(strlen(bestMatchExchange)); } handleRequest(); } HTTPFsRequestHandler::~HTTPFsRequestHandler() { } int HTTPFsRequestHandler::handleGetRequest() { HTTPHeaders headers; if (m_localPath.length() > 4) getStandardHeaders(headers, m_localPath.substr(m_localPath.length()-4).c_str()); else getStandardHeaders(headers); INFO("Handling Get Request (root = %s, local = %s).", m_rootPath.c_str(), m_localPath.c_str()); int retval = 0; //success std::string reqPath; // Check if we received a directory with the local bath if ((m_localPath.length() == 0) || (m_localPath.substr( m_localPath.length()-1, 1) == "/")) { // yes, we shall append the default page name m_localPath += "index.html"; } reqPath = m_rootPath + m_localPath; INFO("Mapping \"%s\" to \"%s\"", msg.uri.c_str(), reqPath.c_str()); FILE *fp = fopen(reqPath.c_str(), "r"); if (fp != NULL) { char * pBuffer = NULL; int sz = 8192; while( pBuffer == NULL) { sz /= 2; pBuffer = (char*)malloc(sz); if (sz < 128) error ("OutOfMemory"); } // File was found and can be returned // first determine the size fseek(fp, 0, SEEK_END); long size = ftell(fp); fseek(fp, 0, SEEK_SET); startResponse(200, size); while(!feof(fp) && !ferror(fp)) { int cnt = fread(pBuffer, 1, sz , fp); if (cnt < 0) cnt = 0; processResponse(cnt, pBuffer); } delete pBuffer; endResponse(); fclose(fp); } else { retval = 404; ERR("Requested file was not found !"); } return retval; } int HTTPFsRequestHandler::handlePostRequest() { return 404; } int HTTPFsRequestHandler::handlePutRequest() { return 404; }