trunk/Include/wptHTTP.h

/* wptHTTP.h - Generic network code for HTTP access
 *      Copyright (C) 2004, 2005, 2006, 2007 Timo Schulz
 *
 * This file is part of WinPT.
 *
 * WinPT is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License 
 * as published by the Free Software Foundation; either version 2 
 * of the License, or (at your option) any later version.
 *  
 * WinPT is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 */
#ifndef WPT_HTTP_H
#define WPT_HTTP_H

/* HTTP status codes. */
enum http_statcode_t {
    HTTP_STAT_NONE = 0,
    HTTP_STAT_200 = 200,  /* OK */
    HTTP_STAT_201 = 201,  /* Created */
    HTTP_STAT_301 = 301,  /* Moved Permanently */
    HTTP_STAT_302 = 302,  /* Moved Temporarily */
    HTTP_STAT_400 = 400,  /* Bad Request */
    HTTP_STAT_401 = 401,  /* Unauthorized */
    HTTP_STAT_403 = 403,  /* Forbidden */
    HTTP_STAT_404 = 404,  /* Not Found */
    HTTP_STAT_405 = 405,  /* Method Not Allowed */
};


/* HTTP header list. */
struct http_head_s {
    struct http_head_s *next;
    char d[1];
};
typedef struct http_head_s *http_head_t;

class NetHTTP {
public:
    /* HTTP methods. */
    enum  { HTTP_GET, HTTP_HEAD, HTTP_PUT, HTTP_POST };

private:
    http_head_t req_headers;
    http_head_t resp_headers;
    int fd;
    int statcode;
    char *host;
    int port;
    char *url;
    int nleft;
    int method;
    int ver;
    int error;

private:
    void reset (void);
    int parseResponse (int *statcode);
    int connect (const char *host, int port);
    int isDataAvailable (int fd);
    int readLine (char *buf, unsigned int nbuf, int nonblock, int *nn, int *eof);
    void addHeader (http_head_t *root, const char *val);
    bool findHeader (http_head_t root, 
                     const char *name, const char **val);
    int parseHeaders (http_head_t *r_head);

    int extractHostInfo (const char *url, char **host, char **new_url);
    int sendRequest (const char *host, int port, const char *url);

public:
    NetHTTP ();
    NetHTTP (const char *url);
    NetHTTP (const char *host, int port, const char *url);
    ~NetHTTP ();
    
    void setVersion (int ver);
    int getErrorCode (void);
    int getStatusCode (void);
    unsigned int getContentLength (void);
    const char *getContentType (void);

    int addRequestHeader (const char *name, const char *val);
    int addRequestHeader (const char *name, unsigned int val);
    
    int open (const char *url);
    int write (const void *buf, unsigned int buflen);
    int read (void *buf, unsigned int buflen);
    int readData (FILE *out);

    int get (const char *url);
    int head (const char *url);
};

#endif /* WPT_HTTP_H */
1	/* wptHTTP.h - Generic network code for HTTP access
2	* Copyright (C) 2004, 2005, 2006, 2007 Timo Schulz
3	*
4	* This file is part of WinPT.
5	*
6	* WinPT is free software; you can redistribute it and/or
7	* modify it under the terms of the GNU General Public License
8	* as published by the Free Software Foundation; either version 2
9	* of the License, or (at your option) any later version.
10	*
11	* WinPT is distributed in the hope that it will be useful,
12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14	* General Public License for more details.
15	*/
16	#ifndef WPT_HTTP_H
17	#define WPT_HTTP_H
18
19	/* HTTP status codes. */
20	enum http_statcode_t {
21	HTTP_STAT_NONE = 0,
22	HTTP_STAT_200 = 200, /* OK */
23	HTTP_STAT_201 = 201, /* Created */
24	HTTP_STAT_301 = 301, /* Moved Permanently */
25	HTTP_STAT_302 = 302, /* Moved Temporarily */
26	HTTP_STAT_400 = 400, /* Bad Request */
27	HTTP_STAT_401 = 401, /* Unauthorized */
28	HTTP_STAT_403 = 403, /* Forbidden */
29	HTTP_STAT_404 = 404, /* Not Found */
30	HTTP_STAT_405 = 405, /* Method Not Allowed */
31	};
32
33
34	/* HTTP header list. */
35	struct http_head_s {
36	struct http_head_s *next;
37	char d[1];
38	};
39	typedef struct http_head_s *http_head_t;
40
41	class NetHTTP {
42	public:
43	/* HTTP methods. */
44	enum { HTTP_GET, HTTP_HEAD, HTTP_PUT, HTTP_POST };
45
46	private:
47	http_head_t req_headers;
48	http_head_t resp_headers;
49	int fd;
50	int statcode;
51	char *host;
52	int port;
53	char *url;
54	int nleft;
55	int method;
56	int ver;
57	int error;
58
59	private:
60	void reset (void);
61	int parseResponse (int *statcode);
62	int connect (const char *host, int port);
63	int isDataAvailable (int fd);
64	int readLine (char buf, unsigned int nbuf, int nonblock, int nn, int *eof);
65	void addHeader (http_head_t root, const char val);
66	bool findHeader (http_head_t root,
67	const char name, const char *val);
68	int parseHeaders (http_head_t *r_head);
69
70	int extractHostInfo (const char url, char host, char *new_url);
71	int sendRequest (const char host, int port, const char url);
72
73	public:
74	NetHTTP ();
75	NetHTTP (const char *url);
76	NetHTTP (const char host, int port, const char url);
77	~NetHTTP ();
78
79	void setVersion (int ver);
80	int getErrorCode (void);
81	int getStatusCode (void);
82	unsigned int getContentLength (void);
83	const char *getContentType (void);
84
85	int addRequestHeader (const char name, const char val);
86	int addRequestHeader (const char *name, unsigned int val);
87
88	int open (const char *url);
89	int write (const void *buf, unsigned int buflen);
90	int read (void *buf, unsigned int buflen);
91	int readData (FILE *out);
92
93	int get (const char *url);
94	int head (const char *url);
95	};
96
97	#endif /* WPT_HTTP_H */