Beispiel Abfrage Yahoo Weather fuer Zuerich

Dependencies:   EthernetInterface mbed-rtos mbed spxml

Fork of HTTP_GET by smd.iotkit2.ch

Mittels Yahoo Weather kann das aktuelle Wetter und eine Vorhersage für einen Bestimmten Ort abgefragt werden.

Links

Beispiel Abfrage Wetter in Zürich

Aufruf mittels curl:

    curl http://query.yahooapis.com/v1/public/yql  \
           -d q="select * from weather.forecast where woeid=784794"    -d format=xml

Antwort als XML von Yahoo:

<?xml version="1.0" encoding="UTF-8"?>
<query xmlns:yahoo="http://www.yahooapis.com/v1/base.rng" yahoo:count="1" yahoo:created="2016-07-22T13:17:05Z"
	yahoo:lang="en-US">
	<results>
		<channel>
			<yweather:units xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" distance="mi" pressure="in"
				speed="mph" temperature="F" />
			<title>Yahoo! Weather - Zurich, ZH, CH</title>
			<link>http://us.rd.yahoo.com/dailynews/rss/weather/Country__Country/*https://weather.yahoo.com/country/state/city-784794/</link>
			<description>Yahoo! Weather for Zurich, ZH, CH</description>
			<language>en-us</language>
			<lastBuildDate>Fri, 22 Jul 2016 03:17 PM CEST</lastBuildDate>
			<ttl>60</ttl>
			<yweather:location xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" city="Zurich"
				country="Switzerland" region=" ZH" />
			<yweather:wind xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" chill="72" direction="150"
				speed="11" />
			<yweather:atmosphere xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" humidity="72"
				pressure="957.0" rising="0" visibility="16.1" />
			<yweather:astronomy xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" sunrise="5:54 am"
				sunset="9:10 pm" />
			<image>
				<title>Yahoo! Weather</title>
				<width>142</width>
				<height>18</height>
				<link>http://weather.yahoo.com</link>
				<url>http://l.yimg.com/a/i/brand/purplelogo//uh/us/news-wea.gif</url>
			</image>
			<item>
				<title>Conditions for Zurich, ZH, CH at 02:00 PM CEST</title>
				<geo:lat xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#">47.38427</geo:lat>
				<geo:long xmlns:geo="http://www.w3.org/2003/01/geo/wgs84_pos#">8.52959</geo:long>
				<link>http://us.rd.yahoo.com/dailynews/rss/weather/Country__Country/*https://weather.yahoo.com/country/state/city-784794/</link>
				<pubDate>Fri, 22 Jul 2016 02:00 PM CEST</pubDate>
				<yweather:condition xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="39"
					date="Fri, 22 Jul 2016 02:00 PM CEST" temp="72" text="Scattered Showers" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="4" date="22 Jul 2016"
					day="Fri" high="77" low="66" text="Thunderstorms" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="47" date="23 Jul 2016"
					day="Sat" high="76" low="64" text="Scattered Thunderstorms" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="39" date="24 Jul 2016"
					day="Sun" high="78" low="63" text="Scattered Showers" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="47" date="25 Jul 2016"
					day="Mon" high="77" low="64" text="Scattered Thunderstorms" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="47" date="26 Jul 2016"
					day="Tue" high="75" low="64" text="Scattered Thunderstorms" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="4" date="27 Jul 2016"
					day="Wed" high="75" low="61" text="Thunderstorms" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="30" date="28 Jul 2016"
					day="Thu" high="76" low="60" text="Partly Cloudy" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="30" date="29 Jul 2016"
					day="Fri" high="79" low="59" text="Partly Cloudy" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="39" date="30 Jul 2016"
					day="Sat" high="80" low="58" text="Scattered Showers" />
				<yweather:forecast xmlns:yweather="http://xml.weather.yahoo.com/ns/rss/1.0" code="30" date="31 Jul 2016"
					day="Sun" high="78" low="59" text="Partly Cloudy" />
				<description></description>
				<guid isPermaLink="false" />
			</item>
		</channel>
	</results>
</query>
Committer:
marcel1691
Date:
Fri Jul 22 14:02:57 2016 +0000
Revision:
7:99e6c4f0a3ff
Parent:
1:2e29a33cd918
Forecast integriert

Who changed what in which revision?

UserRevisionLine numberNew contents of line
marcel1691 1:2e29a33cd918 1 /* HTTPText.cpp */
marcel1691 1:2e29a33cd918 2 /* Copyright (C) 2012 mbed.org, MIT License
marcel1691 1:2e29a33cd918 3 *
marcel1691 1:2e29a33cd918 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
marcel1691 1:2e29a33cd918 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
marcel1691 1:2e29a33cd918 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
marcel1691 1:2e29a33cd918 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
marcel1691 1:2e29a33cd918 8 * furnished to do so, subject to the following conditions:
marcel1691 1:2e29a33cd918 9 *
marcel1691 1:2e29a33cd918 10 * The above copyright notice and this permission notice shall be included in all copies or
marcel1691 1:2e29a33cd918 11 * substantial portions of the Software.
marcel1691 1:2e29a33cd918 12 *
marcel1691 1:2e29a33cd918 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
marcel1691 1:2e29a33cd918 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
marcel1691 1:2e29a33cd918 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
marcel1691 1:2e29a33cd918 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
marcel1691 1:2e29a33cd918 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
marcel1691 1:2e29a33cd918 18 */
marcel1691 1:2e29a33cd918 19
marcel1691 1:2e29a33cd918 20 #include "HTTPText.h"
marcel1691 1:2e29a33cd918 21
marcel1691 1:2e29a33cd918 22 #include <cstring>
marcel1691 1:2e29a33cd918 23
marcel1691 1:2e29a33cd918 24 #define OK 0
marcel1691 1:2e29a33cd918 25
marcel1691 1:2e29a33cd918 26 using std::memcpy;
marcel1691 1:2e29a33cd918 27 using std::strncpy;
marcel1691 1:2e29a33cd918 28 using std::strlen;
marcel1691 1:2e29a33cd918 29
marcel1691 1:2e29a33cd918 30 #define MIN(x,y) (((x)<(y))?(x):(y))
marcel1691 1:2e29a33cd918 31
marcel1691 1:2e29a33cd918 32 HTTPText::HTTPText(char* str) : m_str(str), m_pos(0)
marcel1691 1:2e29a33cd918 33 {
marcel1691 1:2e29a33cd918 34 m_size = strlen(str) + 1;
marcel1691 1:2e29a33cd918 35 }
marcel1691 1:2e29a33cd918 36
marcel1691 1:2e29a33cd918 37 HTTPText::HTTPText(char* str, size_t size) : m_str(str), m_size(size), m_pos(0)
marcel1691 1:2e29a33cd918 38 {
marcel1691 1:2e29a33cd918 39
marcel1691 1:2e29a33cd918 40 }
marcel1691 1:2e29a33cd918 41
marcel1691 1:2e29a33cd918 42 //IHTTPDataIn
marcel1691 1:2e29a33cd918 43 /*virtual*/ void HTTPText::readReset()
marcel1691 1:2e29a33cd918 44 {
marcel1691 1:2e29a33cd918 45 m_pos = 0;
marcel1691 1:2e29a33cd918 46 }
marcel1691 1:2e29a33cd918 47
marcel1691 1:2e29a33cd918 48 /*virtual*/ int HTTPText::read(char* buf, size_t len, size_t* pReadLen)
marcel1691 1:2e29a33cd918 49 {
marcel1691 1:2e29a33cd918 50 *pReadLen = MIN(len, m_size - 1 - m_pos);
marcel1691 1:2e29a33cd918 51 memcpy(buf, m_str + m_pos, *pReadLen);
marcel1691 1:2e29a33cd918 52 m_pos += *pReadLen;
marcel1691 1:2e29a33cd918 53 return OK;
marcel1691 1:2e29a33cd918 54 }
marcel1691 1:2e29a33cd918 55
marcel1691 1:2e29a33cd918 56 /*virtual*/ int HTTPText::getDataType(char* type, size_t maxTypeLen) //Internet media type for Content-Type header
marcel1691 1:2e29a33cd918 57 {
marcel1691 1:2e29a33cd918 58 strncpy(type, "text/plain", maxTypeLen-1);
marcel1691 1:2e29a33cd918 59 type[maxTypeLen-1] = '\0';
marcel1691 1:2e29a33cd918 60 return OK;
marcel1691 1:2e29a33cd918 61 }
marcel1691 1:2e29a33cd918 62
marcel1691 1:2e29a33cd918 63 /*virtual*/ bool HTTPText::getIsChunked() //For Transfer-Encoding header
marcel1691 1:2e29a33cd918 64 {
marcel1691 1:2e29a33cd918 65 return false;
marcel1691 1:2e29a33cd918 66 }
marcel1691 1:2e29a33cd918 67
marcel1691 1:2e29a33cd918 68 /*virtual*/ size_t HTTPText::getDataLen() //For Content-Length header
marcel1691 1:2e29a33cd918 69 {
marcel1691 1:2e29a33cd918 70 return m_size - 1;
marcel1691 1:2e29a33cd918 71 }
marcel1691 1:2e29a33cd918 72
marcel1691 1:2e29a33cd918 73 //IHTTPDataOut
marcel1691 1:2e29a33cd918 74 /*virtual*/ void HTTPText::writeReset()
marcel1691 1:2e29a33cd918 75 {
marcel1691 1:2e29a33cd918 76 m_pos = 0;
marcel1691 1:2e29a33cd918 77 }
marcel1691 1:2e29a33cd918 78
marcel1691 1:2e29a33cd918 79 /*virtual*/ int HTTPText::write(const char* buf, size_t len)
marcel1691 1:2e29a33cd918 80 {
marcel1691 1:2e29a33cd918 81 size_t writeLen = MIN(len, m_size - 1 - m_pos);
marcel1691 1:2e29a33cd918 82 memcpy(m_str + m_pos, buf, writeLen);
marcel1691 1:2e29a33cd918 83 m_pos += writeLen;
marcel1691 1:2e29a33cd918 84 m_str[m_pos] = '\0';
marcel1691 1:2e29a33cd918 85 return OK;
marcel1691 1:2e29a33cd918 86 }
marcel1691 1:2e29a33cd918 87
marcel1691 1:2e29a33cd918 88 /*virtual*/ void HTTPText::setDataType(const char* type) //Internet media type from Content-Type header
marcel1691 1:2e29a33cd918 89 {
marcel1691 1:2e29a33cd918 90
marcel1691 1:2e29a33cd918 91 }
marcel1691 1:2e29a33cd918 92
marcel1691 1:2e29a33cd918 93 /*virtual*/ void HTTPText::setIsChunked(bool chunked) //From Transfer-Encoding header
marcel1691 1:2e29a33cd918 94 {
marcel1691 1:2e29a33cd918 95
marcel1691 1:2e29a33cd918 96 }
marcel1691 1:2e29a33cd918 97
marcel1691 1:2e29a33cd918 98 /*virtual*/ void HTTPText::setDataLen(size_t len) //From Content-Length header, or if the transfer is chunked, next chunk length
marcel1691 1:2e29a33cd918 99 {
marcel1691 1:2e29a33cd918 100
marcel1691 1:2e29a33cd918 101 }
marcel1691 1:2e29a33cd918 102
marcel1691 1:2e29a33cd918 103
marcel1691 1:2e29a33cd918 104