Andrew's git - gitweb.git/blob

   1#ifndef HTTP_H
   2#define HTTP_H
   3
   4#include "cache.h"
   5
   6#include <curl/curl.h>
   7#include <curl/easy.h>
   8
   9#if LIBCURL_VERSION_NUM >= 0x070908
  10#define USE_CURL_MULTI
  11#define DEFAULT_MAX_REQUESTS 5
  12#endif
  13
  14#if LIBCURL_VERSION_NUM < 0x070704
  15#define curl_global_cleanup() do { /* nothing */ } while(0)
  16#endif
  17#if LIBCURL_VERSION_NUM < 0x070800
  18#define curl_global_init(a) do { /* nothing */ } while(0)
  19#endif
  20
  21#if LIBCURL_VERSION_NUM < 0x070c04
  22#define NO_CURL_EASY_DUPHANDLE
  23#endif
  24
  25struct slot_results
  26{
  27        CURLcode curl_result;
  28        long http_code;
  29};
  30
  31struct active_request_slot
  32{
  33        CURL *curl;
  34        FILE *local;
  35        int in_use;
  36        CURLcode curl_result;
  37        long http_code;
  38        struct slot_results *results;
  39        void *callback_data;
  40        void (*callback_func)(void *data);
  41        struct active_request_slot *next;
  42};
  43
  44struct buffer
  45{
  46        size_t posn;
  47        size_t size;
  48        void *buffer;
  49};
  50
  51/* Curl request read/write callbacks */
  52extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb,
  53                           struct buffer *buffer);
  54extern size_t fwrite_buffer(const void *ptr, size_t eltsize,
  55                            size_t nmemb, struct buffer *buffer);
  56extern size_t fwrite_null(const void *ptr, size_t eltsize,
  57                          size_t nmemb, struct buffer *buffer);
  58
  59/* Slot lifecycle functions */
  60extern struct active_request_slot *get_active_slot(void);
  61extern int start_active_slot(struct active_request_slot *slot);
  62extern void run_active_slot(struct active_request_slot *slot);
  63extern void finish_all_active_slots(void);
  64extern void release_active_slot(struct active_request_slot *slot);
  65
  66#ifdef USE_CURL_MULTI
  67extern void fill_active_slots(void);
  68extern void step_active_slots(void);
  69#endif
  70
  71extern void http_init(void);
  72extern void http_cleanup(void);
  73
  74extern int data_received;
  75extern int active_requests;
  76
  77#ifdef USE_CURL_MULTI
  78extern int max_requests;
  79extern CURLM *curlm;
  80#endif
  81#ifndef NO_CURL_EASY_DUPHANDLE
  82extern CURL *curl_default;
  83#endif
  84extern char curl_errorstr[CURL_ERROR_SIZE];
  85
  86extern int curl_ssl_verify;
  87extern char *ssl_cert;
  88#if LIBCURL_VERSION_NUM >= 0x070902
  89extern char *ssl_key;
  90#endif
  91#if LIBCURL_VERSION_NUM >= 0x070908
  92extern char *ssl_capath;
  93#endif
  94extern char *ssl_cainfo;
  95extern long curl_low_speed_limit;
  96extern long curl_low_speed_time;
  97
  98extern struct curl_slist *pragma_header;
  99extern struct curl_slist *no_range_header;
 100
 101extern struct active_request_slot *active_queue_head;
 102
 103#endif /* HTTP_H */