NetServicesLPC1768 -

Users » donatien » Code » NetServicesLPC1768

Dependents: SimpleLCDClock readCard2Twitter_http AnalogClock_StepperMotor_NTP ServoCamV1

services/http/client/HttpClient.h@0:a2dd0ba6cd2d, 2010-05-24 (annotated)

Committer:: donatien
Date:: Mon May 24 10:24:38 2010 +0000
Revision:: 0:a2dd0ba6cd2d
Child:: 1:7043cc0db03c

Who changed what in which revision?

User	Revision	Line number	New contents of line
donatien	0:a2dd0ba6cd2d	1	#ifndef HTTP_CLIENT_H
donatien	0:a2dd0ba6cd2d	2	#define HTTP_CLIENT_H
donatien	0:a2dd0ba6cd2d	3
donatien	0:a2dd0ba6cd2d	4	class HttpData;
donatien	0:a2dd0ba6cd2d	5
donatien	0:a2dd0ba6cd2d	6	#include "if/net/net.h"
donatien	0:a2dd0ba6cd2d	7	#include "api/TcpSocket.h"
donatien	0:a2dd0ba6cd2d	8	#include "api/DnsRequest.h"
donatien	0:a2dd0ba6cd2d	9	#include "HttpData.h"
donatien	0:a2dd0ba6cd2d	10	#include "mbed.h"
donatien	0:a2dd0ba6cd2d	11
donatien	0:a2dd0ba6cd2d	12	#include <string>
donatien	0:a2dd0ba6cd2d	13	using std::string;
donatien	0:a2dd0ba6cd2d	14
donatien	0:a2dd0ba6cd2d	15	#include <map>
donatien	0:a2dd0ba6cd2d	16	using std::map;
donatien	0:a2dd0ba6cd2d	17
donatien	0:a2dd0ba6cd2d	18	#define HTTP_REQUEST_TIMEOUT 30000//15000
donatien	0:a2dd0ba6cd2d	19	#define HTTP_PORT 80
donatien	0:a2dd0ba6cd2d	20
donatien	0:a2dd0ba6cd2d	21	enum HttpResult
donatien	0:a2dd0ba6cd2d	22	{
donatien	0:a2dd0ba6cd2d	23	HTTP_OK,
donatien	0:a2dd0ba6cd2d	24	HTTP_PROCESSING,
donatien	0:a2dd0ba6cd2d	25	HTTP_PARSE, //URI Parse error
donatien	0:a2dd0ba6cd2d	26	HTTP_DNS, //Could not resolve name
donatien	0:a2dd0ba6cd2d	27	HTTP_PRTCL, //Protocol error
donatien	0:a2dd0ba6cd2d	28	HTTP_NOTFOUND, //404 Error
donatien	0:a2dd0ba6cd2d	29	HTTP_REFUSED, //403 Error
donatien	0:a2dd0ba6cd2d	30	HTTP_ERROR, //xxx error
donatien	0:a2dd0ba6cd2d	31	HTTP_TIMEOUT, //Connection timeout
donatien	0:a2dd0ba6cd2d	32	HTTP_CONN //Connection error
donatien	0:a2dd0ba6cd2d	33	};
donatien	0:a2dd0ba6cd2d	34
donatien	0:a2dd0ba6cd2d	35
donatien	0:a2dd0ba6cd2d	36
donatien	0:a2dd0ba6cd2d	37	class HttpClient : protected NetService
donatien	0:a2dd0ba6cd2d	38	{
donatien	0:a2dd0ba6cd2d	39	public:
donatien	0:a2dd0ba6cd2d	40	HttpClient();
donatien	0:a2dd0ba6cd2d	41	virtual ~HttpClient();
donatien	0:a2dd0ba6cd2d	42
donatien	0:a2dd0ba6cd2d	43	void basicAuth(const char* user, const char* password); //Basic Authentification
donatien	0:a2dd0ba6cd2d	44
donatien	0:a2dd0ba6cd2d	45	//High Level setup functions
donatien	0:a2dd0ba6cd2d	46	HttpResult get(const char* uri, HttpData* pDataIn); //Blocking
donatien	0:a2dd0ba6cd2d	47	HttpResult get(const char* uri, HttpData* pDataIn, void (*pMethod)(HttpResult)); //Non blocking
donatien	0:a2dd0ba6cd2d	48	template<class T>
donatien	0:a2dd0ba6cd2d	49	//Linker bug : Must be defined here :(
donatien	0:a2dd0ba6cd2d	50	HttpResult get(const char* uri, HttpData* pDataIn, T* pItem, void (T::*pMethod)(HttpResult)) //Non blocking
donatien	0:a2dd0ba6cd2d	51	{
donatien	0:a2dd0ba6cd2d	52	setOnResult(pItem, pMethod);
donatien	0:a2dd0ba6cd2d	53	doGet(uri, pDataIn);
donatien	0:a2dd0ba6cd2d	54	return HTTP_PROCESSING;
donatien	0:a2dd0ba6cd2d	55	}
donatien	0:a2dd0ba6cd2d	56
donatien	0:a2dd0ba6cd2d	57	HttpResult post(const char* uri, const HttpData& dataOut, HttpData* pDataIn); //Blocking
donatien	0:a2dd0ba6cd2d	58	HttpResult post(const char* uri, const HttpData& dataOut, HttpData* pDataIn, void (*pMethod)(HttpResult)); //Non blocking
donatien	0:a2dd0ba6cd2d	59	template<class T>
donatien	0:a2dd0ba6cd2d	60	//Linker bug : Must be defined here :(
donatien	0:a2dd0ba6cd2d	61	HttpResult post(const char* uri, const HttpData& dataOut, HttpData* pDataIn, T* pItem, void (T::*pMethod)(HttpResult)) //Non blocking
donatien	0:a2dd0ba6cd2d	62	{
donatien	0:a2dd0ba6cd2d	63	setOnResult(pItem, pMethod);
donatien	0:a2dd0ba6cd2d	64	doPost(uri, dataOut, pDataIn);
donatien	0:a2dd0ba6cd2d	65	return HTTP_PROCESSING;
donatien	0:a2dd0ba6cd2d	66	}
donatien	0:a2dd0ba6cd2d	67
donatien	0:a2dd0ba6cd2d	68	void doGet(const char* uri, HttpData* pDataIn);
donatien	0:a2dd0ba6cd2d	69	void doPost(const char* uri, const HttpData& dataOut, HttpData* pDataIn);
donatien	0:a2dd0ba6cd2d	70
donatien	0:a2dd0ba6cd2d	71	void setOnResult( void (*pMethod)(HttpResult) );
donatien	0:a2dd0ba6cd2d	72	class CDummy;
donatien	0:a2dd0ba6cd2d	73	template<class T>
donatien	0:a2dd0ba6cd2d	74	//Linker bug : Must be defined here :(
donatien	0:a2dd0ba6cd2d	75	void setOnResult( T* pItem, void (T::*pMethod)(HttpResult) )
donatien	0:a2dd0ba6cd2d	76	{
donatien	0:a2dd0ba6cd2d	77	m_pCb = NULL;
donatien	0:a2dd0ba6cd2d	78	m_pCbItem = (CDummy*) pItem;
donatien	0:a2dd0ba6cd2d	79	m_pCbMeth = (void (CDummy::*)(HttpResult)) pMethod;
donatien	0:a2dd0ba6cd2d	80	}
donatien	0:a2dd0ba6cd2d	81
donatien	0:a2dd0ba6cd2d	82	void setTimeout(int ms);
donatien	0:a2dd0ba6cd2d	83
donatien	0:a2dd0ba6cd2d	84	virtual void poll(); //Called by NetServices
donatien	0:a2dd0ba6cd2d	85
donatien	0:a2dd0ba6cd2d	86	int getHttpResponseCode();
donatien	0:a2dd0ba6cd2d	87	void setRequestHeader(const string& header, const string& value);
donatien	0:a2dd0ba6cd2d	88	string& getResponseHeader(const string& header);
donatien	0:a2dd0ba6cd2d	89	void resetRequestHeaders();
donatien	0:a2dd0ba6cd2d	90
donatien	0:a2dd0ba6cd2d	91	protected:
donatien	0:a2dd0ba6cd2d	92	void resetTimeout();
donatien	0:a2dd0ba6cd2d	93
donatien	0:a2dd0ba6cd2d	94	void init();
donatien	0:a2dd0ba6cd2d	95	void close();
donatien	0:a2dd0ba6cd2d	96
donatien	0:a2dd0ba6cd2d	97	void setup(const char* uri, HttpData* pDataOut, HttpData* pDataIn); //Setup request, make DNS Req if necessary
donatien	0:a2dd0ba6cd2d	98	void connect(); //Start Connection
donatien	0:a2dd0ba6cd2d	99
donatien	0:a2dd0ba6cd2d	100	int tryRead(); //Read data and try to feed output
donatien	0:a2dd0ba6cd2d	101	void readData(); //Data has been read
donatien	0:a2dd0ba6cd2d	102	void writeData(); //Data has been written & buf is free
donatien	0:a2dd0ba6cd2d	103
donatien	0:a2dd0ba6cd2d	104	void onTcpSocketEvent(TcpSocketEvent e);
donatien	0:a2dd0ba6cd2d	105	void onDnsReply(DnsReply r);
donatien	0:a2dd0ba6cd2d	106	void onResult(HttpResult r); //Called when exchange completed or on failure
donatien	0:a2dd0ba6cd2d	107	void onTimeout(); //Connection has timed out
donatien	0:a2dd0ba6cd2d	108
donatien	0:a2dd0ba6cd2d	109	private:
donatien	0:a2dd0ba6cd2d	110	HttpResult blockingProcess(); //Called in blocking mode, calls Net::poll() until return code is available
donatien	0:a2dd0ba6cd2d	111
donatien	0:a2dd0ba6cd2d	112	bool readHeaders(); //Called first when receiving data
donatien	0:a2dd0ba6cd2d	113	bool writeHeaders(); //Called to create req
donatien	0:a2dd0ba6cd2d	114	int readLine(char* str, int maxLen);
donatien	0:a2dd0ba6cd2d	115
donatien	0:a2dd0ba6cd2d	116	enum HTTP_METH
donatien	0:a2dd0ba6cd2d	117	{
donatien	0:a2dd0ba6cd2d	118	HTTP_GET,
donatien	0:a2dd0ba6cd2d	119	HTTP_POST,
donatien	0:a2dd0ba6cd2d	120	HTTP_HEAD
donatien	0:a2dd0ba6cd2d	121	};
donatien	0:a2dd0ba6cd2d	122
donatien	0:a2dd0ba6cd2d	123	HTTP_METH m_meth;
donatien	0:a2dd0ba6cd2d	124
donatien	0:a2dd0ba6cd2d	125	CDummy* m_pCbItem;
donatien	0:a2dd0ba6cd2d	126	void (CDummy::*m_pCbMeth)(HttpResult);
donatien	0:a2dd0ba6cd2d	127
donatien	0:a2dd0ba6cd2d	128	void (*m_pCb)(HttpResult);
donatien	0:a2dd0ba6cd2d	129
donatien	0:a2dd0ba6cd2d	130	TcpSocket* m_pTcpSocket;
donatien	0:a2dd0ba6cd2d	131	map<string, string> m_reqHeaders;
donatien	0:a2dd0ba6cd2d	132	map<string, string> m_respHeaders;
donatien	0:a2dd0ba6cd2d	133
donatien	0:a2dd0ba6cd2d	134	Timer m_watchdog;
donatien	0:a2dd0ba6cd2d	135	int m_timeout;
donatien	0:a2dd0ba6cd2d	136
donatien	0:a2dd0ba6cd2d	137	DnsRequest* m_pDnsReq;
donatien	0:a2dd0ba6cd2d	138
donatien	0:a2dd0ba6cd2d	139	Host m_server;
donatien	0:a2dd0ba6cd2d	140	string m_path;
donatien	0:a2dd0ba6cd2d	141
donatien	0:a2dd0ba6cd2d	142	bool m_closed;
donatien	0:a2dd0ba6cd2d	143
donatien	0:a2dd0ba6cd2d	144	enum HttpStep
donatien	0:a2dd0ba6cd2d	145	{
donatien	0:a2dd0ba6cd2d	146	// HTTP_INIT,
donatien	0:a2dd0ba6cd2d	147	HTTP_WRITE_HEADERS,
donatien	0:a2dd0ba6cd2d	148	HTTP_WRITE_DATA,
donatien	0:a2dd0ba6cd2d	149	HTTP_READ_HEADERS,
donatien	0:a2dd0ba6cd2d	150	HTTP_READ_DATA,
donatien	0:a2dd0ba6cd2d	151	HTTP_READ_DATA_INCOMPLETE,
donatien	0:a2dd0ba6cd2d	152	HTTP_DONE,
donatien	0:a2dd0ba6cd2d	153	HTTP_CLOSED
donatien	0:a2dd0ba6cd2d	154	};
donatien	0:a2dd0ba6cd2d	155
donatien	0:a2dd0ba6cd2d	156	HttpStep m_state;
donatien	0:a2dd0ba6cd2d	157
donatien	0:a2dd0ba6cd2d	158	HttpData* m_pDataOut;
donatien	0:a2dd0ba6cd2d	159	HttpData* m_pDataIn;
donatien	0:a2dd0ba6cd2d	160
donatien	0:a2dd0ba6cd2d	161	bool m_dataChunked; //Data is encoded as chunks
donatien	0:a2dd0ba6cd2d	162	int m_dataPos; //Position in data
donatien	0:a2dd0ba6cd2d	163	int m_dataLen; //Data length
donatien	0:a2dd0ba6cd2d	164	char* m_buf;
donatien	0:a2dd0ba6cd2d	165	char* m_pBufRemaining; //Remaining
donatien	0:a2dd0ba6cd2d	166	int m_bufRemainingLen; //Data length in m_pBufRemaining
donatien	0:a2dd0ba6cd2d	167
donatien	0:a2dd0ba6cd2d	168	int m_httpResponseCode;
donatien	0:a2dd0ba6cd2d	169
donatien	0:a2dd0ba6cd2d	170	HttpResult m_blockingResult; //Result if blocking mode
donatien	0:a2dd0ba6cd2d	171
donatien	0:a2dd0ba6cd2d	172	};
donatien	0:a2dd0ba6cd2d	173
donatien	0:a2dd0ba6cd2d	174	//Including data containers here for more convenience
donatien	0:a2dd0ba6cd2d	175	#include "data/HttpFile.h"
donatien	0:a2dd0ba6cd2d	176	#include "data/HttpStream.h"
donatien	0:a2dd0ba6cd2d	177	#include "data/HttpText.h"
donatien	0:a2dd0ba6cd2d	178	#include "data/HttpMap.h"
donatien	0:a2dd0ba6cd2d	179
donatien	0:a2dd0ba6cd2d	180	#endif

Repository toolbox

Export to desktop IDE

Build repository

Repository details

Type:	Program
Created:	24 May 2010
Imports:	460
Forks:	0
Commits:	10
Dependents:	4
Dependencies:	0
Followers:	1

This repository is Public (Unlisted).

services/http/client/HttpClient.h@0:a2dd0ba6cd2d, 2010-05-24 (annotated)

Who changed what in which revision?

Repository toolbox

Repository details

Important Information for this Arm website

Access Warning