New EthernetInterface Version HTTPServer Library only SimpleHandler Test
Dependents: HttpServerSample giken9_HTMLServer_Sample giken9_HTMLServer_Temp_Sample RPCHTTPServer
Handler/FSHandler.cpp
- Committer:
- yueee_yt
- Date:
- 2014-02-22
- Revision:
- 5:b8f6a11c70db
- Parent:
- 4:1b6b021ee21d
File content as of revision 5:b8f6a11c70db:
/* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ //#define _DEBUG_FS_HANDLER #include "FSHandler.h" #define CHUNK_SIZE 128 #define DEFAULT_PAGE "/index.htm" //*FSHandler::FSHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) : HTTPRequestHandler(rootPath, path, pTCPSocket), m_err404(false) FSHandler::FSHandler(const char* rootPath, const char* path, TCPSocketConnection* pTCPSocketConnection) : HTTPRequestHandler(rootPath, path, pTCPSocketConnection), m_err404(false) {} FSHandler::~FSHandler() { #ifdef _DEBUG_FS_HANDLER printf("\r\n+++FSHandler destroy\r\n"); #endif if(m_fp){ #ifdef _DEBUG_FS_HANDLER printf("\r\n+++FSHandler fclose start\r\n"); #endif fclose(m_fp); #ifdef _DEBUG_FS_HANDLER printf("\r\n+++FSHandler fclose end\r\n"); #endif } #ifdef _DEBUG_FS_HANDLER printf("\r\nHandler destroyed\r\n"); #endif } //static init map<string,string> FSHandler::m_lFsPath = map<string,string>(); void FSHandler::mount(const string& fsPath, const string& rootPath) { m_lFsPath[rootPath]=fsPath; } void FSHandler::doGet() { #ifdef _DEBUG_FS_HANDLER printf("\r\nIn FSHandler::doGet() - rootPath=%s, path=%s\r\n", rootPath().c_str(), path().c_str()); #endif //FIXME: Translate path to local/path string checkedRootPath = rootPath(); if(checkedRootPath.empty()) checkedRootPath="/"; string filePath = m_lFsPath[checkedRootPath]; if (path().size() > 1) { filePath += path(); } else { filePath += DEFAULT_PAGE; } #ifdef _DEBUG_FS_HANDLER printf("Trying to open %s\n", filePath.c_str()); #endif m_fp = fopen(filePath.c_str(), "r"); //FIXME: if null, error 404 if(!m_fp) { m_err404 = true; setErrCode(404); const char* msg = "File not found."; setContentLen(strlen(msg)); respHeaders()["Content-Type"] = "text/html"; respHeaders()["Connection"] = "close"; writeData(msg,strlen(msg)); //Only send header printf("\r\nExit FSHandler::doGet() w Error 404\r\n"); return; } //Seek EOF to get length fseek(m_fp, 0, SEEK_END); setContentLen( ftell(m_fp) ); fseek(m_fp, 0, SEEK_SET); //Goto SOF respHeaders()["Connection"] = "close"; onWriteable(); #ifdef _DEBUG_FS_HANDLER printf("\r\nExit SimpleHandler::doGet()\r\n"); #endif } void FSHandler::doPost() { } void FSHandler::doHead() { } void FSHandler::onReadable() //Data has been read { } void FSHandler::onWriteable() //Data has been written & buf is free { #ifdef _DEBUG_FS_HANDLER printf("\r\nFSHandler::onWriteable() event\r\n"); #endif if(m_err404) { //Error has been served, now exit close(); return; } static char rBuf[CHUNK_SIZE]; while(true) { int len = fread(rBuf, 1, CHUNK_SIZE, m_fp); if(len>0) { int writtenLen = writeData(rBuf, len); if(writtenLen < 0) { //Socket error #ifdef _DEBUG_FS_HANDLER printf("FSHandler: Socket error %d\n", writtenLen); #endif /** Not Work if(writtenLen == TCPSOCKET_MEM) { fseek(m_fp, -len, SEEK_CUR); return; //Wait for the queued TCP segments to be transmitted } else { //This is a critical error **/ close(); return; /** } **/ } else if(writtenLen < len) { //Short write, socket's buffer is full fseek(m_fp, writtenLen - len, SEEK_CUR); return; } } else { close(); //Data written, we can close the connection return; } } } void FSHandler::onClose() //Connection is closing { /** #ifdef _DEBUG_FS_HANDLER printf("FSHandler: onClose start \r\n"); #endif if(m_fp){ #ifdef _DEBUG_FS_HANDLER printf("FSHandler: fclose start \r\n"); #endif fclose(m_fp); #ifdef _DEBUG_FS_HANDLER printf("FSHandler: fclose end \r\n"); #endif } #ifdef _DEBUG_FS_HANDLER printf("FSHandler: onClose end \r\n"); #endif **/ }