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/client/data/HTTPFile.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 "HTTPFile.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 | HTTPFile::HTTPFile(const char* path) : HTTPData(), m_fp(NULL), m_path(path), m_len(0), m_chunked(false) |
va009039 | 1:22b9052d864d | 30 | { |
va009039 | 1:22b9052d864d | 31 | |
va009039 | 1:22b9052d864d | 32 | } |
va009039 | 1:22b9052d864d | 33 | |
va009039 | 1:22b9052d864d | 34 | HTTPFile::~HTTPFile() |
va009039 | 1:22b9052d864d | 35 | { |
va009039 | 1:22b9052d864d | 36 | closeFile(); |
va009039 | 1:22b9052d864d | 37 | } |
va009039 | 1:22b9052d864d | 38 | |
va009039 | 1:22b9052d864d | 39 | void HTTPFile::clear() |
va009039 | 1:22b9052d864d | 40 | { |
va009039 | 1:22b9052d864d | 41 | closeFile(); |
va009039 | 1:22b9052d864d | 42 | //Force reopening |
va009039 | 1:22b9052d864d | 43 | } |
va009039 | 1:22b9052d864d | 44 | |
va009039 | 1:22b9052d864d | 45 | int HTTPFile::read(char* buf, int len) |
va009039 | 1:22b9052d864d | 46 | { |
va009039 | 1:22b9052d864d | 47 | if(!openFile("r")) //File does not exist, or I/O error... |
va009039 | 1:22b9052d864d | 48 | return 0; |
va009039 | 1:22b9052d864d | 49 | len = fread(buf, 1, len, m_fp); |
va009039 | 1:22b9052d864d | 50 | if( feof(m_fp) ) |
va009039 | 1:22b9052d864d | 51 | { |
va009039 | 1:22b9052d864d | 52 | //File read completely, we can close it |
va009039 | 1:22b9052d864d | 53 | closeFile(); |
va009039 | 1:22b9052d864d | 54 | } |
va009039 | 1:22b9052d864d | 55 | return len; |
va009039 | 1:22b9052d864d | 56 | } |
va009039 | 1:22b9052d864d | 57 | |
va009039 | 1:22b9052d864d | 58 | int HTTPFile::write(const char* buf, int len) |
va009039 | 1:22b9052d864d | 59 | { |
va009039 | 1:22b9052d864d | 60 | if(!openFile("w")) //File does not exist, or I/O error... |
va009039 | 1:22b9052d864d | 61 | return 0; |
va009039 | 1:22b9052d864d | 62 | len = fwrite(buf, 1, len, m_fp); |
va009039 | 1:22b9052d864d | 63 | DBG("Written %d bytes in %d\n", len, m_fp); |
va009039 | 1:22b9052d864d | 64 | if( (!m_chunked && (ftell(m_fp) >= m_len)) || |
va009039 | 1:22b9052d864d | 65 | (m_chunked && !len) ) |
va009039 | 1:22b9052d864d | 66 | { |
va009039 | 1:22b9052d864d | 67 | //File received completely, we can close it |
va009039 | 1:22b9052d864d | 68 | closeFile(); |
va009039 | 1:22b9052d864d | 69 | } |
va009039 | 1:22b9052d864d | 70 | return len; |
va009039 | 1:22b9052d864d | 71 | } |
va009039 | 1:22b9052d864d | 72 | |
va009039 | 1:22b9052d864d | 73 | string HTTPFile::getDataType() //Internet media type for Content-Type header |
va009039 | 1:22b9052d864d | 74 | { |
va009039 | 1:22b9052d864d | 75 | return ""; //Unknown |
va009039 | 1:22b9052d864d | 76 | } |
va009039 | 1:22b9052d864d | 77 | |
va009039 | 1:22b9052d864d | 78 | void HTTPFile::setDataType(const string& type) //Internet media type from Content-Type header |
va009039 | 1:22b9052d864d | 79 | { |
va009039 | 1:22b9052d864d | 80 | //Do not really care here |
va009039 | 1:22b9052d864d | 81 | } |
va009039 | 1:22b9052d864d | 82 | |
va009039 | 1:22b9052d864d | 83 | bool HTTPFile::getIsChunked() //For Transfer-Encoding header |
va009039 | 1:22b9052d864d | 84 | { |
va009039 | 1:22b9052d864d | 85 | return false; |
va009039 | 1:22b9052d864d | 86 | } |
va009039 | 1:22b9052d864d | 87 | |
va009039 | 1:22b9052d864d | 88 | void HTTPFile::setIsChunked(bool chunked) //From Transfer-Encoding header |
va009039 | 1:22b9052d864d | 89 | { |
va009039 | 1:22b9052d864d | 90 | m_chunked = chunked; |
va009039 | 1:22b9052d864d | 91 | } |
va009039 | 1:22b9052d864d | 92 | |
va009039 | 1:22b9052d864d | 93 | int HTTPFile::getDataLen() //For Content-Length header |
va009039 | 1:22b9052d864d | 94 | { |
va009039 | 1:22b9052d864d | 95 | return m_len; |
va009039 | 1:22b9052d864d | 96 | } |
va009039 | 1:22b9052d864d | 97 | |
va009039 | 1:22b9052d864d | 98 | void HTTPFile::setDataLen(int len) //From Content-Length header, or if the transfer is chunked, next chunk length |
va009039 | 1:22b9052d864d | 99 | { |
va009039 | 1:22b9052d864d | 100 | if(!m_chunked) |
va009039 | 1:22b9052d864d | 101 | m_len = len; //Useful so that we can close file when last byte is written |
va009039 | 1:22b9052d864d | 102 | } |
va009039 | 1:22b9052d864d | 103 | |
va009039 | 1:22b9052d864d | 104 | bool HTTPFile::openFile(const char* mode) //true on success, false otherwise |
va009039 | 1:22b9052d864d | 105 | { |
va009039 | 1:22b9052d864d | 106 | if(m_fp) |
va009039 | 1:22b9052d864d | 107 | return true; |
va009039 | 1:22b9052d864d | 108 | |
va009039 | 1:22b9052d864d | 109 | m_fp = fopen(m_path.c_str(), mode); |
va009039 | 1:22b9052d864d | 110 | if(m_fp && mode[0]=='r') |
va009039 | 1:22b9052d864d | 111 | { |
va009039 | 1:22b9052d864d | 112 | //Seek EOF to get length |
va009039 | 1:22b9052d864d | 113 | fseek(m_fp, 0, SEEK_END); |
va009039 | 1:22b9052d864d | 114 | m_len = ftell(m_fp); |
va009039 | 1:22b9052d864d | 115 | fseek(m_fp, 0, SEEK_SET); //Goto SOF |
va009039 | 1:22b9052d864d | 116 | } |
va009039 | 1:22b9052d864d | 117 | |
va009039 | 1:22b9052d864d | 118 | DBG("fd = %d\n", m_fp); |
va009039 | 1:22b9052d864d | 119 | |
va009039 | 1:22b9052d864d | 120 | if(!m_fp) |
va009039 | 1:22b9052d864d | 121 | return false; |
va009039 | 1:22b9052d864d | 122 | |
va009039 | 1:22b9052d864d | 123 | return true; |
va009039 | 1:22b9052d864d | 124 | } |
va009039 | 1:22b9052d864d | 125 | |
va009039 | 1:22b9052d864d | 126 | void HTTPFile::closeFile() |
va009039 | 1:22b9052d864d | 127 | { |
va009039 | 1:22b9052d864d | 128 | if(m_fp) |
va009039 | 1:22b9052d864d | 129 | fclose(m_fp); |
va009039 | 1:22b9052d864d | 130 | } |