YahooWeather - Beispiel Abfrage Yahoo Weather fuer Zuerich

smd.iotkit2.ch » Code » YahooWeather

smd.iotkit2.ch / Mbed 2 deprecated YahooWeather

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.

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>

HTTPClient/HTTPClient.h@1:2e29a33cd918, 2015-01-17 (annotated)

Committer:: marcel1691
Date:: Sat Jan 17 14:11:01 2015 +0000
Revision:: 1:2e29a33cd918

Beispiel fuer Verwendung der HTTP Methoden (GET, POST, PUT, DELETE)

Who changed what in which revision?

User	Revision	Line number	New contents of line
marcel1691	1:2e29a33cd918	1	/* HTTPClient.h */
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	/** \file
marcel1691	1:2e29a33cd918	21	HTTP Client header file
marcel1691	1:2e29a33cd918	22	*/
marcel1691	1:2e29a33cd918	23
marcel1691	1:2e29a33cd918	24	#ifndef HTTP_CLIENT_H
marcel1691	1:2e29a33cd918	25	#define HTTP_CLIENT_H
marcel1691	1:2e29a33cd918	26
marcel1691	1:2e29a33cd918	27	#include "TCPSocketConnection.h"
marcel1691	1:2e29a33cd918	28
marcel1691	1:2e29a33cd918	29	#define HTTP_CLIENT_DEFAULT_TIMEOUT 15000
marcel1691	1:2e29a33cd918	30
marcel1691	1:2e29a33cd918	31	class HTTPData;
marcel1691	1:2e29a33cd918	32
marcel1691	1:2e29a33cd918	33	#include "IHTTPData.h"
marcel1691	1:2e29a33cd918	34	#include "mbed.h"
marcel1691	1:2e29a33cd918	35
marcel1691	1:2e29a33cd918	36	///HTTP client results
marcel1691	1:2e29a33cd918	37	enum HTTPResult {
marcel1691	1:2e29a33cd918	38	HTTP_OK = 0, ///<Success
marcel1691	1:2e29a33cd918	39	HTTP_PROCESSING, ///<Processing
marcel1691	1:2e29a33cd918	40	HTTP_PARSE, ///<url Parse error
marcel1691	1:2e29a33cd918	41	HTTP_DNS, ///<Could not resolve name
marcel1691	1:2e29a33cd918	42	HTTP_PRTCL, ///<Protocol error
marcel1691	1:2e29a33cd918	43	HTTP_NOTFOUND, ///<HTTP 404 Error
marcel1691	1:2e29a33cd918	44	HTTP_REFUSED, ///<HTTP 403 Error
marcel1691	1:2e29a33cd918	45	HTTP_ERROR, ///<HTTP xxx error
marcel1691	1:2e29a33cd918	46	HTTP_TIMEOUT, ///<Connection timeout
marcel1691	1:2e29a33cd918	47	HTTP_CONN, ///<Connection error
marcel1691	1:2e29a33cd918	48	HTTP_CLOSED, ///<Connection was closed by remote host
marcel1691	1:2e29a33cd918	49	};
marcel1691	1:2e29a33cd918	50
marcel1691	1:2e29a33cd918	51	/**A simple HTTP Client
marcel1691	1:2e29a33cd918	52	The HTTPClient is composed of:
marcel1691	1:2e29a33cd918	53	- The actual client (HTTPClient)
marcel1691	1:2e29a33cd918	54	- Classes that act as a data repository, each of which deriving from the HTTPData class (HTTPText for short text content, HTTPFile for file I/O, HTTPMap for key/value pairs, and HTTPStream for streaming purposes)
marcel1691	1:2e29a33cd918	55	*/
marcel1691	1:2e29a33cd918	56	class HTTPClient
marcel1691	1:2e29a33cd918	57	{
marcel1691	1:2e29a33cd918	58	public:
marcel1691	1:2e29a33cd918	59	///Instantiate the HTTP client
marcel1691	1:2e29a33cd918	60	HTTPClient();
marcel1691	1:2e29a33cd918	61	~HTTPClient();
marcel1691	1:2e29a33cd918	62
marcel1691	1:2e29a33cd918	63	/**
marcel1691	1:2e29a33cd918	64	Provides a basic authentification feature (Base64 encoded username and password)
marcel1691	1:2e29a33cd918	65	Pass two NULL pointers to switch back to no authentication
marcel1691	1:2e29a33cd918	66	@param[in] user username to use for authentication, must remain valid durlng the whole HTTP session
marcel1691	1:2e29a33cd918	67	@param[in] user password to use for authentication, must remain valid durlng the whole HTTP session
marcel1691	1:2e29a33cd918	68	*/
marcel1691	1:2e29a33cd918	69	void basicAuth(const char* user, const char* password); //Basic Authentification
marcel1691	1:2e29a33cd918	70
marcel1691	1:2e29a33cd918	71	/**
marcel1691	1:2e29a33cd918	72	Set custom headers for request.
marcel1691	1:2e29a33cd918	73
marcel1691	1:2e29a33cd918	74	Pass NULL, 0 to turn off custom headers.
marcel1691	1:2e29a33cd918	75
marcel1691	1:2e29a33cd918	76	@code
marcel1691	1:2e29a33cd918	77	const char * hdrs[] =
marcel1691	1:2e29a33cd918	78	{
marcel1691	1:2e29a33cd918	79	"Connection", "keep-alive",
marcel1691	1:2e29a33cd918	80	"Accept", "text/html",
marcel1691	1:2e29a33cd918	81	"User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64)",
marcel1691	1:2e29a33cd918	82	"Accept-Encoding", "gzip,deflate,sdch",
marcel1691	1:2e29a33cd918	83	"Accept-Language", "en-US,en;q=0.8",
marcel1691	1:2e29a33cd918	84	};
marcel1691	1:2e29a33cd918	85
marcel1691	1:2e29a33cd918	86	http.basicAuth("username", "password");
marcel1691	1:2e29a33cd918	87	http.customHeaders(hdrs, 5);
marcel1691	1:2e29a33cd918	88	@endcode
marcel1691	1:2e29a33cd918	89
marcel1691	1:2e29a33cd918	90	@param[in] headers an array (size multiple of two) key-value pairs, must remain valid during the whole HTTP session
marcel1691	1:2e29a33cd918	91	@param[in] pairs number of key-value pairs
marcel1691	1:2e29a33cd918	92	*/
marcel1691	1:2e29a33cd918	93	void customHeaders(const char** headers, size_t pairs);
marcel1691	1:2e29a33cd918	94
marcel1691	1:2e29a33cd918	95	//High Level setup functions
marcel1691	1:2e29a33cd918	96	/** Execute a GET request on the URL
marcel1691	1:2e29a33cd918	97	Blocks until completion
marcel1691	1:2e29a33cd918	98	@param[in] url : url on which to execute the request
marcel1691	1:2e29a33cd918	99	@param[in,out] pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
marcel1691	1:2e29a33cd918	100	@param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
marcel1691	1:2e29a33cd918	101	@return 0 on success, HTTP error (<0) on failure
marcel1691	1:2e29a33cd918	102	*/
marcel1691	1:2e29a33cd918	103	HTTPResult get(const char* url, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
marcel1691	1:2e29a33cd918	104
marcel1691	1:2e29a33cd918	105	/** Execute a GET request on the URL
marcel1691	1:2e29a33cd918	106	Blocks until completion
marcel1691	1:2e29a33cd918	107	This is a helper to directly get a piece of text from a HTTP result
marcel1691	1:2e29a33cd918	108	@param[in] url : url on which to execute the request
marcel1691	1:2e29a33cd918	109	@param[out] result : pointer to a char array in which the result will be stored
marcel1691	1:2e29a33cd918	110	@param[in] maxResultLen : length of the char array (including space for the NULL-terminating char)
marcel1691	1:2e29a33cd918	111	@param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
marcel1691	1:2e29a33cd918	112	@return 0 on success, HTTP error (<0) on failure
marcel1691	1:2e29a33cd918	113	*/
marcel1691	1:2e29a33cd918	114	HTTPResult get(const char* url, char* result, size_t maxResultLen, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
marcel1691	1:2e29a33cd918	115
marcel1691	1:2e29a33cd918	116	/** Execute a POST request on the URL
marcel1691	1:2e29a33cd918	117	Blocks until completion
marcel1691	1:2e29a33cd918	118	@param[in] url : url on which to execute the request
marcel1691	1:2e29a33cd918	119	@param[out] dataOut : a IHTTPDataOut instance that contains the data that will be posted
marcel1691	1:2e29a33cd918	120	@param[in,out] pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
marcel1691	1:2e29a33cd918	121	@param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
marcel1691	1:2e29a33cd918	122	@return 0 on success, HTTP error (<0) on failure
marcel1691	1:2e29a33cd918	123	*/
marcel1691	1:2e29a33cd918	124	HTTPResult post(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
marcel1691	1:2e29a33cd918	125
marcel1691	1:2e29a33cd918	126	/** Execute a PUT request on the URL
marcel1691	1:2e29a33cd918	127	Blocks until completion
marcel1691	1:2e29a33cd918	128	@param[in] url : url on which to execute the request
marcel1691	1:2e29a33cd918	129	@param[in] dataOut : a IHTTPDataOut instance that contains the data that will be put
marcel1691	1:2e29a33cd918	130	@param[in,out] pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
marcel1691	1:2e29a33cd918	131	@param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
marcel1691	1:2e29a33cd918	132	@return 0 on success, HTTP error (<0) on failure
marcel1691	1:2e29a33cd918	133	*/
marcel1691	1:2e29a33cd918	134	HTTPResult put(const char* url, const IHTTPDataOut& dataOut, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
marcel1691	1:2e29a33cd918	135
marcel1691	1:2e29a33cd918	136	/** Execute a DELETE request on the URL
marcel1691	1:2e29a33cd918	137	Blocks until completion
marcel1691	1:2e29a33cd918	138	@param[in] url : url on which to execute the request
marcel1691	1:2e29a33cd918	139	@param[in,out] pDataIn : pointer to an IHTTPDataIn instance that will collect the data returned by the request, can be NULL
marcel1691	1:2e29a33cd918	140	@param[in] timeout waiting timeout in ms (osWaitForever for blocking function, not recommended)
marcel1691	1:2e29a33cd918	141	@return 0 on success, HTTP error (<0) on failure
marcel1691	1:2e29a33cd918	142	*/
marcel1691	1:2e29a33cd918	143	HTTPResult del(const char* url, IHTTPDataIn* pDataIn, int timeout = HTTP_CLIENT_DEFAULT_TIMEOUT); //Blocking
marcel1691	1:2e29a33cd918	144
marcel1691	1:2e29a33cd918	145	/** Get last request's HTTP response code
marcel1691	1:2e29a33cd918	146	@return The HTTP response code of the last request
marcel1691	1:2e29a33cd918	147	*/
marcel1691	1:2e29a33cd918	148	int getHTTPResponseCode();
marcel1691	1:2e29a33cd918	149
marcel1691	1:2e29a33cd918	150	/** Set the maximum number of automated redirections
marcel1691	1:2e29a33cd918	151	@param[in] i is the number of redirections. Values < 1 are
marcel1691	1:2e29a33cd918	152	set to 1.
marcel1691	1:2e29a33cd918	153	*/
marcel1691	1:2e29a33cd918	154	void setMaxRedirections(int i = 1);
marcel1691	1:2e29a33cd918	155
marcel1691	1:2e29a33cd918	156	/** get the redirect location url
marcel1691	1:2e29a33cd918	157	@returns const char pointer to the url.
marcel1691	1:2e29a33cd918	158	*/
marcel1691	1:2e29a33cd918	159	const char * getLocation() {
marcel1691	1:2e29a33cd918	160	return m_location;
marcel1691	1:2e29a33cd918	161	}
marcel1691	1:2e29a33cd918	162
marcel1691	1:2e29a33cd918	163	private:
marcel1691	1:2e29a33cd918	164	enum HTTP_METH {
marcel1691	1:2e29a33cd918	165	HTTP_GET,
marcel1691	1:2e29a33cd918	166	HTTP_POST,
marcel1691	1:2e29a33cd918	167	HTTP_PUT,
marcel1691	1:2e29a33cd918	168	HTTP_DELETE,
marcel1691	1:2e29a33cd918	169	HTTP_HEAD
marcel1691	1:2e29a33cd918	170	};
marcel1691	1:2e29a33cd918	171
marcel1691	1:2e29a33cd918	172	HTTPResult connect(const char* url, HTTP_METH method, IHTTPDataOut* pDataOut, IHTTPDataIn* pDataIn, int timeout); //Execute request
marcel1691	1:2e29a33cd918	173	HTTPResult recv(char* buf, size_t minLen, size_t maxLen, size_t* pReadLen); //0 on success, err code on failure
marcel1691	1:2e29a33cd918	174	HTTPResult send(char* buf, size_t len = 0); //0 on success, err code on failure
marcel1691	1:2e29a33cd918	175	HTTPResult parseURL(const char* url, char* scheme, size_t maxSchemeLen, char* host, size_t maxHostLen, uint16_t* port, char* path, size_t maxPathLen); //Parse URL
marcel1691	1:2e29a33cd918	176	void createauth (const char user, const char pwd, char *buf, int len);
marcel1691	1:2e29a33cd918	177	int base64enc(const char input, unsigned int length, char output, int len);
marcel1691	1:2e29a33cd918	178
marcel1691	1:2e29a33cd918	179	//Parameters
marcel1691	1:2e29a33cd918	180	TCPSocketConnection m_sock;
marcel1691	1:2e29a33cd918	181
marcel1691	1:2e29a33cd918	182	int m_timeout;
marcel1691	1:2e29a33cd918	183
marcel1691	1:2e29a33cd918	184	char* m_basicAuthUser;
marcel1691	1:2e29a33cd918	185	char* m_basicAuthPassword;
marcel1691	1:2e29a33cd918	186	const char** m_customHeaders;
marcel1691	1:2e29a33cd918	187	size_t m_nCustomHeaders;
marcel1691	1:2e29a33cd918	188	int m_httpResponseCode;
marcel1691	1:2e29a33cd918	189	int m_maxredirections;
marcel1691	1:2e29a33cd918	190	char * m_location;
marcel1691	1:2e29a33cd918	191
marcel1691	1:2e29a33cd918	192	};
marcel1691	1:2e29a33cd918	193
marcel1691	1:2e29a33cd918	194	//Including data containers here for more convenience
marcel1691	1:2e29a33cd918	195	#include "data/HTTPText.h"
marcel1691	1:2e29a33cd918	196	#include "data/HTTPMap.h"
marcel1691	1:2e29a33cd918	197	#include "data/HTTPFile.h"
marcel1691	1:2e29a33cd918	198
marcel1691	1:2e29a33cd918	199	#endif

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	27 May 2015
Imports:	35
Forks:	0
Commits:	8
Dependents:	0
Dependencies:	4
Followers:	10

This repository is Public (Unlisted).

The code in this repository is Apache licensed.

Links

Beispiel Abfrage Wetter in Zürich

HTTPClient/HTTPClient.h@1:2e29a33cd918, 2015-01-17 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Links

Beispiel Abfrage Wetter in Zürich

HTTPClient/HTTPClient.h@1:2e29a33cd918, 2015-01-17 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning