http.hon commit Merge branch 'maint' (90c88a6)
   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 >= 0x071000
  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) || (LIBCURL_VERSION_NUM == 0x071000)
  22#define NO_CURL_EASY_DUPHANDLE
  23#endif
  24
  25#if LIBCURL_VERSION_NUM < 0x070a03
  26#define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND
  27#endif
  28
  29struct slot_results
  30{
  31        CURLcode curl_result;
  32        long http_code;
  33};
  34
  35struct active_request_slot
  36{
  37        CURL *curl;
  38        FILE *local;
  39        int in_use;
  40        CURLcode curl_result;
  41        long http_code;
  42        int *finished;
  43        struct slot_results *results;
  44        void *callback_data;
  45        void (*callback_func)(void *data);
  46        struct active_request_slot *next;
  47};
  48
  49struct buffer
  50{
  51        size_t posn;
  52        size_t size;
  53        void *buffer;
  54};
  55
  56/* Curl request read/write callbacks */
  57extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb,
  58                           struct buffer *buffer);
  59extern size_t fwrite_buffer(const void *ptr, size_t eltsize,
  60                            size_t nmemb, struct buffer *buffer);
  61extern size_t fwrite_null(const void *ptr, size_t eltsize,
  62                          size_t nmemb, struct buffer *buffer);
  63
  64/* Slot lifecycle functions */
  65extern struct active_request_slot *get_active_slot(void);
  66extern int start_active_slot(struct active_request_slot *slot);
  67extern void run_active_slot(struct active_request_slot *slot);
  68extern void finish_all_active_slots(void);
  69extern void release_active_slot(struct active_request_slot *slot);
  70
  71#ifdef USE_CURL_MULTI
  72extern void fill_active_slots(void);
  73extern void step_active_slots(void);
  74#endif
  75
  76extern void http_init(void);
  77extern void http_cleanup(void);
  78
  79extern int data_received;
  80extern int active_requests;
  81
  82#ifdef USE_CURL_MULTI
  83extern int max_requests;
  84extern CURLM *curlm;
  85#endif
  86#ifndef NO_CURL_EASY_DUPHANDLE
  87extern CURL *curl_default;
  88#endif
  89extern char curl_errorstr[CURL_ERROR_SIZE];
  90
  91extern int curl_ssl_verify;
  92extern char *ssl_cert;
  93#if LIBCURL_VERSION_NUM >= 0x070902
  94extern char *ssl_key;
  95#endif
  96#if LIBCURL_VERSION_NUM >= 0x070908
  97extern char *ssl_capath;
  98#endif
  99extern char *ssl_cainfo;
 100extern long curl_low_speed_limit;
 101extern long curl_low_speed_time;
 102
 103extern struct curl_slist *pragma_header;
 104extern struct curl_slist *no_range_header;
 105
 106extern struct active_request_slot *active_queue_head;
 107
 108#endif /* HTTP_H */