WIZ820io(W5200) network interface、EthernetNetIf compatible.
example
#include "WIZ820ioNetIf.h" #include "HTTPClient.h" #include "HTTPServer.h" #if defined(TARGET_KL25Z) WIZ820ioNetIf eth(PTD2,PTD3,PTD1,PTD0,PTD5); #endif HTTPClient http; HTTPStream stream; void callback(HTTPResult r){ printf("callback %d %s\n", r, HTTPClient::ResultStr(r)); } int main() { int err = eth.setup(); if (err < 0) { printf("setup error %d\n", err); exit(-1); } HTTPServer svr; svr.addHandler<SimpleHandler>("/"); svr.bind(80); const char* uri = "http://va009039-mbed.appspot.com/kl25z/"; http.get(uri, &stream, callback); uint8_t buf[256]; int total = 0; stream.readNext(buf, sizeof(buf)); while(1) { if(stream.readable()) { int len = stream.readLen(); total += len; printf("%d %d\n", total, len); stream.readNext(buf, sizeof(buf)); } Net::poll(); } }
NetServices/services/http/server/impl/FSHandler.cpp@1:22b9052d864d, 2013-03-24 (annotated)
- Committer:
- va009039
- Date:
- Sun Mar 24 11:25:31 2013 +0000
- Revision:
- 1:22b9052d864d
WIZ820io(W8200) ethernet interface, EthernetNetIf compatible.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 1:22b9052d864d | 1 | |
va009039 | 1:22b9052d864d | 2 | /* |
va009039 | 1:22b9052d864d | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
va009039 | 1:22b9052d864d | 4 | |
va009039 | 1:22b9052d864d | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
va009039 | 1:22b9052d864d | 6 | of this software and associated documentation files (the "Software"), to deal |
va009039 | 1:22b9052d864d | 7 | in the Software without restriction, including without limitation the rights |
va009039 | 1:22b9052d864d | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
va009039 | 1:22b9052d864d | 9 | copies of the Software, and to permit persons to whom the Software is |
va009039 | 1:22b9052d864d | 10 | furnished to do so, subject to the following conditions: |
va009039 | 1:22b9052d864d | 11 | |
va009039 | 1:22b9052d864d | 12 | The above copyright notice and this permission notice shall be included in |
va009039 | 1:22b9052d864d | 13 | all copies or substantial portions of the Software. |
va009039 | 1:22b9052d864d | 14 | |
va009039 | 1:22b9052d864d | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
va009039 | 1:22b9052d864d | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
va009039 | 1:22b9052d864d | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
va009039 | 1:22b9052d864d | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
va009039 | 1:22b9052d864d | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
va009039 | 1:22b9052d864d | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
va009039 | 1:22b9052d864d | 21 | THE SOFTWARE. |
va009039 | 1:22b9052d864d | 22 | */ |
va009039 | 1:22b9052d864d | 23 | |
va009039 | 1:22b9052d864d | 24 | #include "FSHandler.h" |
va009039 | 1:22b9052d864d | 25 | |
va009039 | 1:22b9052d864d | 26 | //#define __DEBUG |
va009039 | 1:22b9052d864d | 27 | #include "dbg/dbg.h" |
va009039 | 1:22b9052d864d | 28 | |
va009039 | 1:22b9052d864d | 29 | #define CHUNK_SIZE 128 |
va009039 | 1:22b9052d864d | 30 | |
va009039 | 1:22b9052d864d | 31 | #define DEFAULT_PAGE "/index.htm" |
va009039 | 1:22b9052d864d | 32 | |
va009039 | 1:22b9052d864d | 33 | FSHandler::FSHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) : HTTPRequestHandler(rootPath, path, pTCPSocket), m_err404(false) |
va009039 | 1:22b9052d864d | 34 | {} |
va009039 | 1:22b9052d864d | 35 | |
va009039 | 1:22b9052d864d | 36 | FSHandler::~FSHandler() |
va009039 | 1:22b9052d864d | 37 | { |
va009039 | 1:22b9052d864d | 38 | if(m_fp) |
va009039 | 1:22b9052d864d | 39 | fclose(m_fp); |
va009039 | 1:22b9052d864d | 40 | DBG("\r\nHandler destroyed\r\n"); |
va009039 | 1:22b9052d864d | 41 | } |
va009039 | 1:22b9052d864d | 42 | |
va009039 | 1:22b9052d864d | 43 | //static init |
va009039 | 1:22b9052d864d | 44 | map<string,string> FSHandler::m_lFsPath = map<string,string>(); |
va009039 | 1:22b9052d864d | 45 | |
va009039 | 1:22b9052d864d | 46 | void FSHandler::mount(const string& fsPath, const string& rootPath) |
va009039 | 1:22b9052d864d | 47 | { |
va009039 | 1:22b9052d864d | 48 | m_lFsPath[rootPath]=fsPath; |
va009039 | 1:22b9052d864d | 49 | } |
va009039 | 1:22b9052d864d | 50 | |
va009039 | 1:22b9052d864d | 51 | void FSHandler::doGet() |
va009039 | 1:22b9052d864d | 52 | { |
va009039 | 1:22b9052d864d | 53 | DBG("\r\nIn FSHandler::doGet() - rootPath=%s, path=%s\r\n", rootPath().c_str(), path().c_str()); |
va009039 | 1:22b9052d864d | 54 | //FIXME: Translate path to local/path |
va009039 | 1:22b9052d864d | 55 | string checkedRootPath = rootPath(); |
va009039 | 1:22b9052d864d | 56 | if(checkedRootPath.empty()) |
va009039 | 1:22b9052d864d | 57 | checkedRootPath="/"; |
va009039 | 1:22b9052d864d | 58 | string filePath = m_lFsPath[checkedRootPath]; |
va009039 | 1:22b9052d864d | 59 | if (path().size() > 1) |
va009039 | 1:22b9052d864d | 60 | { |
va009039 | 1:22b9052d864d | 61 | filePath += path(); |
va009039 | 1:22b9052d864d | 62 | } |
va009039 | 1:22b9052d864d | 63 | else |
va009039 | 1:22b9052d864d | 64 | { |
va009039 | 1:22b9052d864d | 65 | filePath += DEFAULT_PAGE; |
va009039 | 1:22b9052d864d | 66 | } |
va009039 | 1:22b9052d864d | 67 | |
va009039 | 1:22b9052d864d | 68 | DBG("Trying to open %s\n", filePath.c_str()); |
va009039 | 1:22b9052d864d | 69 | |
va009039 | 1:22b9052d864d | 70 | m_fp = fopen(filePath.c_str(), "r"); //FIXME: if null, error 404 |
va009039 | 1:22b9052d864d | 71 | |
va009039 | 1:22b9052d864d | 72 | if(!m_fp) |
va009039 | 1:22b9052d864d | 73 | { |
va009039 | 1:22b9052d864d | 74 | m_err404 = true; |
va009039 | 1:22b9052d864d | 75 | setErrCode(404); |
va009039 | 1:22b9052d864d | 76 | const char* msg = "File not found."; |
va009039 | 1:22b9052d864d | 77 | setContentLen(strlen(msg)); |
va009039 | 1:22b9052d864d | 78 | respHeaders()["Content-Type"] = "text/html"; |
va009039 | 1:22b9052d864d | 79 | respHeaders()["Connection"] = "close"; |
va009039 | 1:22b9052d864d | 80 | writeData(msg,strlen(msg)); //Only send header |
va009039 | 1:22b9052d864d | 81 | DBG("\r\nExit FSHandler::doGet() w Error 404\r\n"); |
va009039 | 1:22b9052d864d | 82 | return; |
va009039 | 1:22b9052d864d | 83 | } |
va009039 | 1:22b9052d864d | 84 | |
va009039 | 1:22b9052d864d | 85 | //Seek EOF to get length |
va009039 | 1:22b9052d864d | 86 | fseek(m_fp, 0, SEEK_END); |
va009039 | 1:22b9052d864d | 87 | setContentLen( ftell(m_fp) ); |
va009039 | 1:22b9052d864d | 88 | fseek(m_fp, 0, SEEK_SET); //Goto SOF |
va009039 | 1:22b9052d864d | 89 | |
va009039 | 1:22b9052d864d | 90 | respHeaders()["Connection"] = "close"; |
va009039 | 1:22b9052d864d | 91 | onWriteable(); |
va009039 | 1:22b9052d864d | 92 | DBG("\r\nExit SimpleHandler::doGet()\r\n"); |
va009039 | 1:22b9052d864d | 93 | } |
va009039 | 1:22b9052d864d | 94 | |
va009039 | 1:22b9052d864d | 95 | void FSHandler::doPost() |
va009039 | 1:22b9052d864d | 96 | { |
va009039 | 1:22b9052d864d | 97 | |
va009039 | 1:22b9052d864d | 98 | } |
va009039 | 1:22b9052d864d | 99 | |
va009039 | 1:22b9052d864d | 100 | void FSHandler::doHead() |
va009039 | 1:22b9052d864d | 101 | { |
va009039 | 1:22b9052d864d | 102 | |
va009039 | 1:22b9052d864d | 103 | } |
va009039 | 1:22b9052d864d | 104 | |
va009039 | 1:22b9052d864d | 105 | void FSHandler::onReadable() //Data has been read |
va009039 | 1:22b9052d864d | 106 | { |
va009039 | 1:22b9052d864d | 107 | |
va009039 | 1:22b9052d864d | 108 | } |
va009039 | 1:22b9052d864d | 109 | |
va009039 | 1:22b9052d864d | 110 | void FSHandler::onWriteable() //Data has been written & buf is free |
va009039 | 1:22b9052d864d | 111 | { |
va009039 | 1:22b9052d864d | 112 | DBG("\r\nFSHandler::onWriteable() event\r\n"); |
va009039 | 1:22b9052d864d | 113 | if(m_err404) |
va009039 | 1:22b9052d864d | 114 | { |
va009039 | 1:22b9052d864d | 115 | //Error has been served, now exit |
va009039 | 1:22b9052d864d | 116 | close(); |
va009039 | 1:22b9052d864d | 117 | return; |
va009039 | 1:22b9052d864d | 118 | } |
va009039 | 1:22b9052d864d | 119 | |
va009039 | 1:22b9052d864d | 120 | static char rBuf[CHUNK_SIZE]; |
va009039 | 1:22b9052d864d | 121 | while(true) |
va009039 | 1:22b9052d864d | 122 | { |
va009039 | 1:22b9052d864d | 123 | int len = fread(rBuf, 1, CHUNK_SIZE, m_fp); |
va009039 | 1:22b9052d864d | 124 | if(len>0) |
va009039 | 1:22b9052d864d | 125 | { |
va009039 | 1:22b9052d864d | 126 | int writtenLen = writeData(rBuf, len); |
va009039 | 1:22b9052d864d | 127 | if(writtenLen < 0) //Socket error |
va009039 | 1:22b9052d864d | 128 | { |
va009039 | 1:22b9052d864d | 129 | DBG("FSHandler: Socket error %d\n", writtenLen); |
va009039 | 1:22b9052d864d | 130 | if(writtenLen == TCPSOCKET_MEM) |
va009039 | 1:22b9052d864d | 131 | { |
va009039 | 1:22b9052d864d | 132 | fseek(m_fp, -len, SEEK_CUR); |
va009039 | 1:22b9052d864d | 133 | return; //Wait for the queued TCP segments to be transmitted |
va009039 | 1:22b9052d864d | 134 | } |
va009039 | 1:22b9052d864d | 135 | else |
va009039 | 1:22b9052d864d | 136 | { |
va009039 | 1:22b9052d864d | 137 | //This is a critical error |
va009039 | 1:22b9052d864d | 138 | close(); |
va009039 | 1:22b9052d864d | 139 | return; |
va009039 | 1:22b9052d864d | 140 | } |
va009039 | 1:22b9052d864d | 141 | } |
va009039 | 1:22b9052d864d | 142 | else if(writtenLen < len) //Short write, socket's buffer is full |
va009039 | 1:22b9052d864d | 143 | { |
va009039 | 1:22b9052d864d | 144 | fseek(m_fp, writtenLen - len, SEEK_CUR); |
va009039 | 1:22b9052d864d | 145 | return; |
va009039 | 1:22b9052d864d | 146 | } |
va009039 | 1:22b9052d864d | 147 | } |
va009039 | 1:22b9052d864d | 148 | else |
va009039 | 1:22b9052d864d | 149 | { |
va009039 | 1:22b9052d864d | 150 | close(); //Data written, we can close the connection |
va009039 | 1:22b9052d864d | 151 | return; |
va009039 | 1:22b9052d864d | 152 | } |
va009039 | 1:22b9052d864d | 153 | } |
va009039 | 1:22b9052d864d | 154 | } |
va009039 | 1:22b9052d864d | 155 | |
va009039 | 1:22b9052d864d | 156 | void FSHandler::onClose() //Connection is closing |
va009039 | 1:22b9052d864d | 157 | { |
va009039 | 1:22b9052d864d | 158 | if(m_fp) |
va009039 | 1:22b9052d864d | 159 | fclose(m_fp); |
va009039 | 1:22b9052d864d | 160 | } |