/******************************************************************
 *  $Id: nanohttp-common.h,v 1.6 2004/01/21 12:28:20 snowdrop Exp $
 *
 * CSOAP Project:  A http client/server library in C
 * Copyright (C) 2003  Ferhat Ayaz
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA  02111-1307, USA.
 * 
 * Email: ayaz@jprogrammer.net
 ******************************************************************/
#ifndef NANO_HTTP_COMMON_H 
#define NANO_HTTP_COMMON_H 


#define HEADER_CONTENT_LENGTH "Content-Length"
#define HEADER_CONTENT_TYPE "Content-Type"
#define HEADER_TRANSFER_ENCODING "Transfer-Encoding"
#define HEADER_CONNECTION "Connection"

#define HEADER_HOST "Host"
#define HEADER_DATE "Date"


#ifndef SAVE_STR
#define SAVE_STR(str) ((str==0)?("(null)"):(str))
#endif


/*
  string function to compare strings ignoring case
  Returns 1 if s1 equals s2 and 0 otherwise.  
 */
int strcmpigcase(const char *s1, const char *s2);


/*
  hpairnode_t represents a pair (key, value) pair.
  This is also a linked list.
 */
typedef struct hpair hpair_t;
struct hpair
{
  char *key;
  char *value;
  hpair_t *next;
};


hpair_t *hpairnode_new(const char* key, const char* value, hpair_t* next);
void hpairnode_free(hpair_t *pair);
char *hpairnode_get(hpair_t *pair, const char* key);
char *hpairnode_get_ignore_case(hpair_t *pair, const char* key);
hpair_t* hpairnode_copy(const hpair_t *src);
hpair_t* hpairnode_copy_deep(const hpair_t *src);
void hpairnode_dump_deep(hpair_t *pair);
void hpairnode_dump(hpair_t *pair);

typedef enum hreq_method 
{
  HTTP_REQUEST_POST,
  HTTP_REQUEST_GET
}hreq_method ;


typedef struct hurl
{
  char *protocol;
  char *host;
  int port;
  char *context;
}hurl_t;


hurl_t* hurl_new(const char* urlstr);
void hurl_free(hurl_t *url);

/*
  request object
 */
typedef struct hrequest
{
  char *method;
  char *path;
  char *spec;
  hpair_t *query;
  hpair_t *header;
}hrequest_t;

hrequest_t *hrequest_new_from_buffer(char *data);
void hrequest_free(hrequest_t *req);

/* response object */

typedef struct hresponse
{
  char spec[10];
  int errcode;
  char *desc;
  hpair_t *header;
  unsigned char *body;
  long bodysize;
}hresponse_t;

/*
  PARAMS
  buffer: The hole received data from socket.
 */
hresponse_t *hresponse_new_from_buffer(const char* buffer);
hresponse_t *hresponse_new();
void hresponse_free(hresponse_t *res); 

/* logging stuff*/
typedef enum log_level
{
  HLOG_VERBOSE,
  HLOG_DEBUG,
  HLOG_INFO,
  HLOG_WARN,
  HLOG_ERROR,
  HLOG_FATAL
}log_level_t;



log_level_t log_set_level(log_level_t level);
log_level_t log_get_level();

#define log_verbose1(a1) log_verbose(__FUNCTION__, a1)
#define log_verbose2(a1,a2) log_verbose(__FUNCTION__, a1,a2)
#define log_verbose3(a1,a2,a3) log_verbose(__FUNCTION__, a1,a2,a3)
#define log_verbose4(a1,a2,a3,a4) log_verbose(__FUNCTION__, a1,a2,a3,a4)
#define log_verbose5(a1,a2,a3,a4,a5) log_verbose(__FUNCTION__, a1,a2,a3,a4,a5)

#define log_debug1(a1) log_debug(__FUNCTION__, a1)
#define log_debug2(a1,a2) log_debug(__FUNCTION__, a1,a2)
#define log_debug3(a1,a2,a3) log_debug(__FUNCTION__, a1,a2,a3)
#define log_debug4(a1,a2,a3,a4) log_debug(__FUNCTION__, a1,a2,a3,a4)
#define log_debug5(a1,a2,a3,a4,a5) log_debug(__FUNCTION__, a1,a2,a3,a4,a5)

#define log_info1(a1) log_info(__FUNCTION__, a1)
#define log_info2(a1,a2) log_info(__FUNCTION__, a1,a2)
#define log_info3(a1,a2,a3) log_info(__FUNCTION__, a1,a2,a3)
#define log_info4(a1,a2,a3,a4) log_info(__FUNCTION__, a1,a2,a3,a4)
#define log_info5(a1,a2,a3,a4,a5) log_info(__FUNCTION__, a1,a2,a3,a4,a5)

#define log_warn1(a1) log_warn(__FUNCTION__, a1)
#define log_warn2(a1,a2) log_warn(__FUNCTION__, a1,a2)
#define log_warn3(a1,a2,a3) log_warn(__FUNCTION__, a1,a2,a3)
#define log_warn4(a1,a2,a3,a4) log_warn(__FUNCTION__, a1,a2,a3,a4)
#define log_warn5(a1,a2,a3,a4,a5) log_warn(__FUNCTION__, a1,a2,a3,a4,a5)

#define log_error1(a1) log_error(__FUNCTION__, a1)
#define log_error2(a1,a2) log_error(__FUNCTION__, a1,a2)
#define log_error3(a1,a2,a3) log_error(__FUNCTION__, a1,a2,a3)
#define log_error4(a1,a2,a3,a4) log_error(__FUNCTION__, a1,a2,a3,a4)
#define log_error5(a1,a2,a3,a4,a5) log_error(__FUNCTION__, a1,a2,a3,a4,a5)

void log_verbose(const char* FUNC, const char *format, ...);
void log_debug(const char* FUNC, const char *format, ...);
void log_info(const char* FUNC, const char *format, ...);
void log_warn(const char* FUNC, const char *format, ...);
void log_error(const char* FUNC, const char *format, ...);




#endif