This is Webservice SDK for mbed. LPCXpresso1769/LPC1768/FRDM-K64F/LPC4088

Dependents:   MbedFileServer_1768MiniDK2 RedWireBridge IssueDebug_gcc MiMicRemoteMCU-for-Mbed ... more

libMiMic(MiMic library for mbed)は、WebService機能を提供するSDKです。 mbedでWebAPIに対応したネットワークデバイスを簡単に作ることが出来ます。

libMiMicはMiMic projectで開発しています。MiMic projectについてはこちらをご覧ください。 http://nyatla.jp/mimic/wp/

構成

libMiMicはmbedRTOS上で動作し、ユーザアプリケーションにAPIを提供します。コアAPIはC言語で記述されていますが、使用頻度の高いものについてはmbed向けのC++APIが準備されています。

/media/uploads/nyatla/libmimic-sdk.png

※libMiMicはmbedの標準イーサネットドライバをしようしていません。

標準イーサネットドライバと同時に使用することはできません。

  • MiMicIP - IPv4スタックです。レテンシとメモリ消費量を抑えたuipベースのライブラリです。
  • ARP/ICMP/UDP/TCP - 基礎的なソケットAPIを提供します。APIは独自です。
  • HTTP/1.1 Server - HTTP/1.1に対応したサーバです。マルチセッション・Chunked・持続性接続に対応しています。
  • HTTP Modules - HTTP/1.1の機能モジュールです。以下のモジュールがあります。
    • ROM file provider - ROMに格納したファイルイメージを公開します。
    • File system provider - mbedファイルシステムを公開します。
    • Onchip configuration - プログラムフラッシュを利用して設定を保存します。
    • MiMicVM processor - RPCリクエスト(MiMicVM)を処理します。
    • FileUpload - ファイルアップロードを受け取ります。
    • URL decoder - HTTPリクエストを解析します。
    • UPnP handler -UPnPメッセージを処理します。
    • WebSocket - Websocketサーバです。
  • mDNS - マルチキャストDNSサービスです。
  • UPnP - UPnP/1.0の機能を提供します。UPnP handlerと協調して動作します。(現在はデバイス探索(SSDP)・デスクリプション(Description)のみ実装してあります。)
  • DHCP/APIPA - ゼロコンフィギュレーション用のモジュールです。
  • HTTP/1.1 Client
  • mbed C++ class library - mbed向けのC++CPIです。C言語のものより簡単です。

対応機種

  • mbed(mbed LPC1768)
  • LPCXpresso1769

プログラム

Import programMiMicRemoteMCU-for-Mbed

MiMic RemoteMCU for mbed. This program provides MCU control API over REST API. It can control MCU from Javascript,PHP or any HTTP rest client directly. And, The application has self development environment.

Import programMbedFileServer

The program publishes files at local directory and SD filesystem. It is a full-fledged webServer somewhat.

サンプル

Import programMiMicSimpleHttpd

This is a simplest HTTP server made ​​of libMiMic. It will echo back a request path.

Import programUPnPBasicDevice

Simplest UPnP basic device example. This program to run UPnP basic device on the mbed.

Import programWebSocketSample

MiMicSDK Websocket module sample program.

Import programHttpClientSamlpe

A http client sample program.

Import programTcpSocketClientSamlpe

MiMicSDK Tcp client socket sample program.

Import programUdpSocketSamlpe

Udp socket sample program. This program will send back the received packet.

チュートリアル

English

libMiMic(MiMic library for mbed) is SDK which provides Webservice functions. It can be created networking device easily using mbed.

See more MiMic information, See MiMic project website. http://nyatla.jp/mimic/wp/

Structure

libMiMic run on mbed RTOS and provides networking API to user application. This library has C++ class API for the mbed, and low-level C language API.

/media/uploads/nyatla/libmimic-sdk.png

For WebService general, it can be written in a simple C + + API.

libMiMic does not have the standard Ethernet driver of mbed. It is not possible that will be used with the standard Ethernet driver.

  • MiMicIP - IPv4 protocol stack. This is based uip which is reduced memory and latency.
  • ARP / ICMP / UDP / TCP - Those are provide basic IP protocols.
  • HTTP/1.1 Server - The Http server compatible HTTP/1.1. It supports multi-session, chunked transport, persistent connection.
  • HTTP Modules - There are addon-module for HTTP server. The following modules.
    • ROM file module - Publish the file images in ROM.
    • File system module - Publish thefiles in mbed file system.
    • Onchip configuration module - To save the network settings to the program flash via REST.
    • MiMicVM module - To handle the (MiMicVM) RPC request.
    • FileUpload module - Accept a file via HTTP POST.
    • URL dedoce module - A versatility URL decoder.
    • UPnP handle module - To handle UPnP messages.
    • UPnP - This provides UPnP/1.0 device functions. It works together with UPnP handler.
    • Websocket - websocket (version13) server
  • mDNS Service - DNS-SD protocol server.
  • UPnP - This provides UPnP/1.0 device functions which works with UPnP handler. (You have been implemented (SSDP) ? description only (Description) device search now.) It is a module zero configuration for - DHCP / APIPA. mbed C + + class library - C of mbed for + + is the CPI. It is simple than that of the C language.
  • DHCP/APIPA - It support zero-cpnfigulation.
  • mbed C++ class library. Almost APIs for Web applications are available.
  • HTTP/1.1 Client

Supported target

  • mbed(mbed LPC1768)
  • LPCXpresso1769

Application

Import programMiMicRemoteMCU-for-Mbed

MiMic RemoteMCU for mbed. This program provides MCU control API over REST API. It can control MCU from Javascript,PHP or any HTTP rest client directly. And, The application has self development environment.

Import programMbedFileServer

The program publishes files at local directory and SD filesystem. It is a full-fledged webServer somewhat.

Sample

Import programMiMicSimpleHttpd

This is a simplest HTTP server made ​​of libMiMic. It will echo back a request path.

Import programUPnPBasicDevice

Simplest UPnP basic device example. This program to run UPnP basic device on the mbed.

Import programWebSocketSample

MiMicSDK Websocket module sample program.

Import programHttpClientSamlpe

A http client sample program.

Import programTcpSocketClientSamlpe

MiMicSDK Tcp client socket sample program.

Import programUdpSocketSamlpe

Udp socket sample program. This program will send back the received packet.

Tutorial

Committer:
nyatla
Date:
Fri Sep 13 06:38:16 2013 +0000
Revision:
57:bc4330dfa62f
Parent:
37:fc4b4fd6a649
Child:
83:d46aa580722a
update mimic core r329;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nyatla 37:fc4b4fd6a649 1 #include "NyLPC_cFormatWriter.h"
nyatla 37:fc4b4fd6a649 2
nyatla 37:fc4b4fd6a649 3
nyatla 57:bc4330dfa62f 4 #define FTYPE_LENGTH 0x01
nyatla 57:bc4330dfa62f 5 #define FTYPE_NOTHING 0x00
nyatla 37:fc4b4fd6a649 6
nyatla 37:fc4b4fd6a649 7 #define NUM_OF_WORK 16
nyatla 37:fc4b4fd6a649 8 NyLPC_TBool NyLPC_cFormatWriter_print(NyLPC_cFormatWriter_printHandler i_handler,void* i_inst,const NyLPC_TChar* i_fmt,va_list args)
nyatla 37:fc4b4fd6a649 9 {
nyatla 37:fc4b4fd6a649 10 const char* rp=i_fmt;
nyatla 37:fc4b4fd6a649 11 const char* sp;
nyatla 37:fc4b4fd6a649 12 char wk[NUM_OF_WORK];
nyatla 57:bc4330dfa62f 13 NyLPC_TUInt8 ftype;
nyatla 37:fc4b4fd6a649 14 NyLPC_TUInt32 ut;
nyatla 57:bc4330dfa62f 15 NyLPC_TInt16 ol=0;
nyatla 37:fc4b4fd6a649 16 while(*rp!='\0'){
nyatla 37:fc4b4fd6a649 17 if(*rp=='%'){
nyatla 37:fc4b4fd6a649 18 ftype=FTYPE_NOTHING;
nyatla 37:fc4b4fd6a649 19 rp++;
nyatla 37:fc4b4fd6a649 20 FMT_NEXT:
nyatla 37:fc4b4fd6a649 21 switch (*rp){
nyatla 37:fc4b4fd6a649 22 case '.':
nyatla 37:fc4b4fd6a649 23 //%.*(s)
nyatla 37:fc4b4fd6a649 24 if(*(rp+1)=='*'){
nyatla 37:fc4b4fd6a649 25 //%.*
nyatla 37:fc4b4fd6a649 26 ftype=FTYPE_LENGTH;
nyatla 37:fc4b4fd6a649 27 rp+=2;
nyatla 37:fc4b4fd6a649 28 goto FMT_NEXT;
nyatla 37:fc4b4fd6a649 29 }
nyatla 37:fc4b4fd6a649 30 //その他
nyatla 37:fc4b4fd6a649 31 wk[ol]=*rp;
nyatla 37:fc4b4fd6a649 32 ol++;
nyatla 37:fc4b4fd6a649 33 rp++;
nyatla 37:fc4b4fd6a649 34 break;
nyatla 37:fc4b4fd6a649 35 case 's':
nyatla 37:fc4b4fd6a649 36 switch(ftype){
nyatla 37:fc4b4fd6a649 37 case FTYPE_LENGTH:
nyatla 37:fc4b4fd6a649 38 //%.*sの場合
nyatla 37:fc4b4fd6a649 39 ut=va_arg(args,NyLPC_TUInt32);
nyatla 37:fc4b4fd6a649 40 break;
nyatla 37:fc4b4fd6a649 41 default:
nyatla 37:fc4b4fd6a649 42 ut=0x7FFFFFFF;
nyatla 37:fc4b4fd6a649 43 }
nyatla 37:fc4b4fd6a649 44 sp=va_arg(args,const char*);
nyatla 37:fc4b4fd6a649 45 while(*sp!=0 && ut>0){
nyatla 37:fc4b4fd6a649 46 wk[ol]=*sp;
nyatla 37:fc4b4fd6a649 47 ol++;
nyatla 37:fc4b4fd6a649 48 sp++;
nyatla 37:fc4b4fd6a649 49 //バッファフルなら書込み。
nyatla 37:fc4b4fd6a649 50 if(ol>=NUM_OF_WORK){
nyatla 37:fc4b4fd6a649 51 i_handler(i_inst,wk,NUM_OF_WORK);
nyatla 37:fc4b4fd6a649 52 ol=0;
nyatla 37:fc4b4fd6a649 53 }
nyatla 37:fc4b4fd6a649 54 ut--;
nyatla 37:fc4b4fd6a649 55 }
nyatla 37:fc4b4fd6a649 56 rp++;
nyatla 37:fc4b4fd6a649 57 continue;
nyatla 37:fc4b4fd6a649 58 case 'c':
nyatla 37:fc4b4fd6a649 59 wk[ol]=(char)va_arg(args,int);
nyatla 37:fc4b4fd6a649 60 rp++;
nyatla 37:fc4b4fd6a649 61 ol++;
nyatla 37:fc4b4fd6a649 62 break;
nyatla 37:fc4b4fd6a649 63 case 'd':
nyatla 37:fc4b4fd6a649 64 //ワークを空にする。
nyatla 37:fc4b4fd6a649 65 if(ol>0){
nyatla 37:fc4b4fd6a649 66 i_handler(i_inst,wk,ol);
nyatla 37:fc4b4fd6a649 67 ol=0;
nyatla 37:fc4b4fd6a649 68 }
nyatla 37:fc4b4fd6a649 69 NyLPC_itoa((va_arg(args,int)),wk,10);
nyatla 37:fc4b4fd6a649 70 //強制コミット
nyatla 37:fc4b4fd6a649 71 i_handler(i_inst,wk,strlen(wk));
nyatla 37:fc4b4fd6a649 72 rp++;
nyatla 37:fc4b4fd6a649 73 continue;
nyatla 37:fc4b4fd6a649 74 case 'u':
nyatla 37:fc4b4fd6a649 75 //ワークを空にする。
nyatla 37:fc4b4fd6a649 76 if(ol>0){
nyatla 37:fc4b4fd6a649 77 i_handler(i_inst,wk,ol);
nyatla 37:fc4b4fd6a649 78 }
nyatla 37:fc4b4fd6a649 79 ut=va_arg(args,NyLPC_TUInt32);
nyatla 37:fc4b4fd6a649 80 ol=15;
nyatla 37:fc4b4fd6a649 81 wk[ol--]='\0';
nyatla 37:fc4b4fd6a649 82 do{
nyatla 37:fc4b4fd6a649 83 wk[ol--]='0'+(ut%10);
nyatla 37:fc4b4fd6a649 84 ut/=10;
nyatla 37:fc4b4fd6a649 85 }while(ut>0);
nyatla 37:fc4b4fd6a649 86 i_handler(i_inst,(wk+ol+1),14-ol);
nyatla 37:fc4b4fd6a649 87 ol=0;
nyatla 37:fc4b4fd6a649 88 rp++;
nyatla 37:fc4b4fd6a649 89 continue;
nyatla 37:fc4b4fd6a649 90 case 'x':
nyatla 37:fc4b4fd6a649 91 //ワークを空にする。
nyatla 37:fc4b4fd6a649 92 if(ol>0){
nyatla 37:fc4b4fd6a649 93 i_handler(i_inst,wk,ol);
nyatla 37:fc4b4fd6a649 94 ol=0;
nyatla 37:fc4b4fd6a649 95 }
nyatla 37:fc4b4fd6a649 96 NyLPC_uitoa((va_arg(args,unsigned int)),wk,16);
nyatla 37:fc4b4fd6a649 97 //強制コミット
nyatla 37:fc4b4fd6a649 98 i_handler(i_inst,wk,strlen(wk));
nyatla 37:fc4b4fd6a649 99 rp++;
nyatla 37:fc4b4fd6a649 100 continue;
nyatla 37:fc4b4fd6a649 101 // case 'X':
nyatla 37:fc4b4fd6a649 102 case '%':
nyatla 37:fc4b4fd6a649 103 wk[ol]='%';
nyatla 37:fc4b4fd6a649 104 ol++;
nyatla 37:fc4b4fd6a649 105 rp++;
nyatla 37:fc4b4fd6a649 106 break;
nyatla 37:fc4b4fd6a649 107 case '\0':
nyatla 37:fc4b4fd6a649 108 //オワタ(ループ抜けるためにrpはそのまま。)
nyatla 37:fc4b4fd6a649 109 break;
nyatla 37:fc4b4fd6a649 110 default:
nyatla 37:fc4b4fd6a649 111 wk[ol]=*rp;
nyatla 37:fc4b4fd6a649 112 ol++;
nyatla 37:fc4b4fd6a649 113 }
nyatla 37:fc4b4fd6a649 114 //バッファフルなら書込み。
nyatla 37:fc4b4fd6a649 115 if(ol>=NUM_OF_WORK){
nyatla 37:fc4b4fd6a649 116 i_handler(i_inst,wk,NUM_OF_WORK);
nyatla 37:fc4b4fd6a649 117 ol=0;
nyatla 37:fc4b4fd6a649 118 }
nyatla 37:fc4b4fd6a649 119 }else if(*rp==0){
nyatla 37:fc4b4fd6a649 120 //オワタ
nyatla 37:fc4b4fd6a649 121 break;
nyatla 37:fc4b4fd6a649 122 }else{
nyatla 37:fc4b4fd6a649 123 wk[ol]=*rp;
nyatla 37:fc4b4fd6a649 124 ol++;
nyatla 37:fc4b4fd6a649 125 rp++;
nyatla 37:fc4b4fd6a649 126 if(ol>=NUM_OF_WORK){
nyatla 37:fc4b4fd6a649 127 i_handler(i_inst,wk,NUM_OF_WORK);
nyatla 37:fc4b4fd6a649 128 ol=0;
nyatla 37:fc4b4fd6a649 129 }
nyatla 37:fc4b4fd6a649 130 }
nyatla 37:fc4b4fd6a649 131 }
nyatla 37:fc4b4fd6a649 132 //どこかでエラーが起こってればFALSE返す。
nyatla 37:fc4b4fd6a649 133 return i_handler(i_inst,wk,ol);
nyatla 37:fc4b4fd6a649 134 }
nyatla 57:bc4330dfa62f 135
nyatla 57:bc4330dfa62f 136 NyLPC_TInt16 NyLPC_cFormatWriter_length(const NyLPC_TChar* i_fmt,va_list args)
nyatla 57:bc4330dfa62f 137 {
nyatla 57:bc4330dfa62f 138 const char* rp=i_fmt;
nyatla 57:bc4330dfa62f 139 const char* sp;
nyatla 57:bc4330dfa62f 140 char wk[NUM_OF_WORK];
nyatla 57:bc4330dfa62f 141 NyLPC_TUInt32 ut;
nyatla 57:bc4330dfa62f 142 NyLPC_TUInt8 ftype;
nyatla 57:bc4330dfa62f 143 NyLPC_TInt16 len=0;
nyatla 57:bc4330dfa62f 144 NyLPC_TInt16 ol=0;
nyatla 57:bc4330dfa62f 145 while(*rp!='\0'){
nyatla 57:bc4330dfa62f 146 if(*rp=='%'){
nyatla 57:bc4330dfa62f 147 ftype=FTYPE_NOTHING;
nyatla 57:bc4330dfa62f 148 rp++;
nyatla 57:bc4330dfa62f 149 FMT_NEXT:
nyatla 57:bc4330dfa62f 150 switch (*rp){
nyatla 57:bc4330dfa62f 151 case '.':
nyatla 57:bc4330dfa62f 152 //%.*(s)
nyatla 57:bc4330dfa62f 153 if(*(rp+1)=='*'){
nyatla 57:bc4330dfa62f 154 //%.*
nyatla 57:bc4330dfa62f 155 ftype=FTYPE_LENGTH;
nyatla 57:bc4330dfa62f 156 rp+=2;
nyatla 57:bc4330dfa62f 157 goto FMT_NEXT;
nyatla 57:bc4330dfa62f 158 }
nyatla 57:bc4330dfa62f 159 //その他
nyatla 57:bc4330dfa62f 160 wk[ol]=*rp;
nyatla 57:bc4330dfa62f 161 ol++;
nyatla 57:bc4330dfa62f 162 rp++;
nyatla 57:bc4330dfa62f 163 break;
nyatla 57:bc4330dfa62f 164 case 's':
nyatla 57:bc4330dfa62f 165 switch(ftype){
nyatla 57:bc4330dfa62f 166 case FTYPE_LENGTH:
nyatla 57:bc4330dfa62f 167 //%.*sの場合
nyatla 57:bc4330dfa62f 168 ut=va_arg(args,NyLPC_TUInt32);
nyatla 57:bc4330dfa62f 169 break;
nyatla 57:bc4330dfa62f 170 default:
nyatla 57:bc4330dfa62f 171 ut=0x7FFFFFFF;
nyatla 57:bc4330dfa62f 172 }
nyatla 57:bc4330dfa62f 173 sp=va_arg(args,const char*);
nyatla 57:bc4330dfa62f 174 while(*sp!=0 && ut>0){
nyatla 57:bc4330dfa62f 175 wk[ol]=*sp;
nyatla 57:bc4330dfa62f 176 ol++;
nyatla 57:bc4330dfa62f 177 sp++;
nyatla 57:bc4330dfa62f 178 //バッファフルなら書込み。
nyatla 57:bc4330dfa62f 179 if(ol>=NUM_OF_WORK){
nyatla 57:bc4330dfa62f 180 len+=NUM_OF_WORK;
nyatla 57:bc4330dfa62f 181 ol=0;
nyatla 57:bc4330dfa62f 182 }
nyatla 57:bc4330dfa62f 183 ut--;
nyatla 57:bc4330dfa62f 184 }
nyatla 57:bc4330dfa62f 185 rp++;
nyatla 57:bc4330dfa62f 186 continue;
nyatla 57:bc4330dfa62f 187 case 'c':
nyatla 57:bc4330dfa62f 188 wk[ol]=(char)va_arg(args,int);
nyatla 57:bc4330dfa62f 189 rp++;
nyatla 57:bc4330dfa62f 190 ol++;
nyatla 57:bc4330dfa62f 191 break;
nyatla 57:bc4330dfa62f 192 case 'd':
nyatla 57:bc4330dfa62f 193 //ワークを空にする。
nyatla 57:bc4330dfa62f 194 if(ol>0){
nyatla 57:bc4330dfa62f 195 len+=ol;
nyatla 57:bc4330dfa62f 196 ol=0;
nyatla 57:bc4330dfa62f 197 }
nyatla 57:bc4330dfa62f 198 NyLPC_itoa((va_arg(args,int)),wk,10);
nyatla 57:bc4330dfa62f 199 //強制コミット
nyatla 57:bc4330dfa62f 200 len+=(NyLPC_TInt16)strlen(wk);
nyatla 57:bc4330dfa62f 201 rp++;
nyatla 57:bc4330dfa62f 202 continue;
nyatla 57:bc4330dfa62f 203 case 'u':
nyatla 57:bc4330dfa62f 204 //ワークを空にする。
nyatla 57:bc4330dfa62f 205 if(ol>0){
nyatla 57:bc4330dfa62f 206 len+=ol;
nyatla 57:bc4330dfa62f 207 }
nyatla 57:bc4330dfa62f 208 ut=va_arg(args,NyLPC_TUInt32);
nyatla 57:bc4330dfa62f 209 ol=15;
nyatla 57:bc4330dfa62f 210 wk[ol--]='\0';
nyatla 57:bc4330dfa62f 211 do{
nyatla 57:bc4330dfa62f 212 wk[ol--]='0'+(ut%10);
nyatla 57:bc4330dfa62f 213 ut/=10;
nyatla 57:bc4330dfa62f 214 }while(ut>0);
nyatla 57:bc4330dfa62f 215 len+=14-ol;
nyatla 57:bc4330dfa62f 216 ol=0;
nyatla 57:bc4330dfa62f 217 rp++;
nyatla 57:bc4330dfa62f 218 continue;
nyatla 57:bc4330dfa62f 219 case 'x':
nyatla 57:bc4330dfa62f 220 //ワークを空にする。
nyatla 57:bc4330dfa62f 221 if(ol>0){
nyatla 57:bc4330dfa62f 222 len+=ol;
nyatla 57:bc4330dfa62f 223 ol=0;
nyatla 57:bc4330dfa62f 224 }
nyatla 57:bc4330dfa62f 225 NyLPC_uitoa((va_arg(args,unsigned int)),wk,16);
nyatla 57:bc4330dfa62f 226 //強制コミット
nyatla 57:bc4330dfa62f 227 len+=(NyLPC_TInt16)strlen(wk);
nyatla 57:bc4330dfa62f 228 rp++;
nyatla 57:bc4330dfa62f 229 continue;
nyatla 57:bc4330dfa62f 230 // case 'X':
nyatla 57:bc4330dfa62f 231 case '%':
nyatla 57:bc4330dfa62f 232 wk[ol]='%';
nyatla 57:bc4330dfa62f 233 ol++;
nyatla 57:bc4330dfa62f 234 rp++;
nyatla 57:bc4330dfa62f 235 break;
nyatla 57:bc4330dfa62f 236 case '\0':
nyatla 57:bc4330dfa62f 237 //オワタ(ループ抜けるためにrpはそのまま。)
nyatla 57:bc4330dfa62f 238 break;
nyatla 57:bc4330dfa62f 239 default:
nyatla 57:bc4330dfa62f 240 wk[ol]=*rp;
nyatla 57:bc4330dfa62f 241 ol++;
nyatla 57:bc4330dfa62f 242 }
nyatla 57:bc4330dfa62f 243 //バッファフルなら書込み。
nyatla 57:bc4330dfa62f 244 if(ol>=NUM_OF_WORK){
nyatla 57:bc4330dfa62f 245 len+=NUM_OF_WORK;
nyatla 57:bc4330dfa62f 246 ol=0;
nyatla 57:bc4330dfa62f 247 }
nyatla 57:bc4330dfa62f 248 }else if(*rp==0){
nyatla 57:bc4330dfa62f 249 //オワタ
nyatla 57:bc4330dfa62f 250 break;
nyatla 57:bc4330dfa62f 251 }else{
nyatla 57:bc4330dfa62f 252 wk[ol]=*rp;
nyatla 57:bc4330dfa62f 253 ol++;
nyatla 57:bc4330dfa62f 254 rp++;
nyatla 57:bc4330dfa62f 255 if(ol>=NUM_OF_WORK){
nyatla 57:bc4330dfa62f 256 len+=NUM_OF_WORK;
nyatla 57:bc4330dfa62f 257 ol=0;
nyatla 57:bc4330dfa62f 258 }
nyatla 57:bc4330dfa62f 259 }
nyatla 57:bc4330dfa62f 260 }
nyatla 57:bc4330dfa62f 261 //どこかでエラーが起こってればFALSE返す。
nyatla 57:bc4330dfa62f 262 return len+ol;
nyatla 57:bc4330dfa62f 263 }