diff options
Diffstat (limited to 'http.h')
| -rw-r--r-- | http.h | 163 |
1 files changed, 121 insertions, 42 deletions
@@ -6,16 +6,28 @@ #include <curl/curl.h> #include <curl/easy.h> +#include "strbuf.h" +#include "remote.h" +#include "url.h" + +/* + * We detect based on the cURL version if multi-transfer is + * usable in this implementation and define this symbol accordingly. + * This is not something Makefile should set nor users should pass + * via CFLAGS. + */ +#undef USE_CURL_MULTI + #if LIBCURL_VERSION_NUM >= 0x071000 #define USE_CURL_MULTI #define DEFAULT_MAX_REQUESTS 5 #endif #if LIBCURL_VERSION_NUM < 0x070704 -#define curl_global_cleanup() do { /* nothing */ } while(0) +#define curl_global_cleanup() do { /* nothing */ } while (0) #endif #if LIBCURL_VERSION_NUM < 0x070800 -#define curl_global_init(a) do { /* nothing */ } while(0) +#define curl_global_init(a) do { /* nothing */ } while (0) #endif #if (LIBCURL_VERSION_NUM < 0x070c04) || (LIBCURL_VERSION_NUM == 0x071000) @@ -26,16 +38,17 @@ #define CURLE_HTTP_RETURNED_ERROR CURLE_HTTP_NOT_FOUND #endif -struct slot_results -{ +#if LIBCURL_VERSION_NUM < 0x070c03 +#define NO_CURL_IOCTL +#endif + +struct slot_results { CURLcode curl_result; long http_code; }; -struct active_request_slot -{ +struct active_request_slot { CURL *curl; - FILE *local; int in_use; CURLcode curl_result; long http_code; @@ -46,63 +59,129 @@ struct active_request_slot struct active_request_slot *next; }; -struct buffer -{ - size_t posn; - size_t size; - void *buffer; +struct buffer { + struct strbuf buf; + size_t posn; }; /* Curl request read/write callbacks */ -extern size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, - struct buffer *buffer); -extern size_t fwrite_buffer(const void *ptr, size_t eltsize, - size_t nmemb, struct buffer *buffer); -extern size_t fwrite_null(const void *ptr, size_t eltsize, - size_t nmemb, struct buffer *buffer); +extern size_t fread_buffer(char *ptr, size_t eltsize, size_t nmemb, void *strbuf); +extern size_t fwrite_buffer(char *ptr, size_t eltsize, size_t nmemb, void *strbuf); +extern size_t fwrite_null(char *ptr, size_t eltsize, size_t nmemb, void *strbuf); +#ifndef NO_CURL_IOCTL +extern curlioerr ioctl_buffer(CURL *handle, int cmd, void *clientp); +#endif /* Slot lifecycle functions */ extern struct active_request_slot *get_active_slot(void); extern int start_active_slot(struct active_request_slot *slot); extern void run_active_slot(struct active_request_slot *slot); +extern void finish_active_slot(struct active_request_slot *slot); extern void finish_all_active_slots(void); -extern void release_active_slot(struct active_request_slot *slot); #ifdef USE_CURL_MULTI extern void fill_active_slots(void); +extern void add_fill_function(void *data, int (*fill)(void *)); extern void step_active_slots(void); #endif -extern void http_init(void); +extern void http_init(struct remote *remote, const char *url, + int proactive_auth); extern void http_cleanup(void); -extern int data_received; extern int active_requests; +extern int http_is_verbose; +extern size_t http_post_buffer; -#ifdef USE_CURL_MULTI -extern int max_requests; -extern CURLM *curlm; -#endif -#ifndef NO_CURL_EASY_DUPHANDLE -extern CURL *curl_default; -#endif extern char curl_errorstr[CURL_ERROR_SIZE]; -extern int curl_ssl_verify; -extern char *ssl_cert; -#if LIBCURL_VERSION_NUM >= 0x070902 -extern char *ssl_key; -#endif -#if LIBCURL_VERSION_NUM >= 0x070908 -extern char *ssl_capath; -#endif -extern char *ssl_cainfo; -extern long curl_low_speed_limit; -extern long curl_low_speed_time; +static inline int missing__target(int code, int result) +{ + return /* file:// URL -- do we ever use one??? */ + (result == CURLE_FILE_COULDNT_READ_FILE) || + /* http:// and https:// URL */ + (code == 404 && result == CURLE_HTTP_RETURNED_ERROR) || + /* ftp:// URL */ + (code == 550 && result == CURLE_FTP_COULDNT_RETR_FILE) + ; +} + +#define missing_target(a) missing__target((a)->http_code, (a)->curl_result) + +/* Helpers for modifying and creating URLs */ +extern void append_remote_object_url(struct strbuf *buf, const char *url, + const char *hex, + int only_two_digit_prefix); +extern char *get_remote_object_url(const char *url, const char *hex, + int only_two_digit_prefix); + +/* Options for http_request_*() */ +#define HTTP_NO_CACHE 1 + +/* Return values for http_request_*() */ +#define HTTP_OK 0 +#define HTTP_MISSING_TARGET 1 +#define HTTP_ERROR 2 +#define HTTP_START_FAILED 3 +#define HTTP_REAUTH 4 +#define HTTP_NOAUTH 5 + +/* + * Requests a URL and stores the result in a strbuf. + * + * If the result pointer is NULL, a HTTP HEAD request is made instead of GET. + */ +int http_get_strbuf(const char *url, struct strbuf *result, int options); + +/* + * Prints an error message using error() containing url and curl_errorstr, + * and returns ret. + */ +int http_error(const char *url, int ret); + +extern int http_fetch_ref(const char *base, struct ref *ref); + +/* Helpers for fetching packs */ +extern int http_get_info_packs(const char *base_url, + struct packed_git **packs_head); + +struct http_pack_request { + char *url; + struct packed_git *target; + struct packed_git **lst; + FILE *packfile; + char tmpfile[PATH_MAX]; + struct curl_slist *range_header; + struct active_request_slot *slot; +}; -extern struct curl_slist *pragma_header; -extern struct curl_slist *no_range_header; +extern struct http_pack_request *new_http_pack_request( + struct packed_git *target, const char *base_url); +extern int finish_http_pack_request(struct http_pack_request *preq); +extern void release_http_pack_request(struct http_pack_request *preq); + +/* Helpers for fetching object */ +struct http_object_request { + char *url; + char tmpfile[PATH_MAX]; + int localfile; + CURLcode curl_result; + char errorstr[CURL_ERROR_SIZE]; + long http_code; + unsigned char sha1[20]; + unsigned char real_sha1[20]; + git_SHA_CTX c; + git_zstream stream; + int zret; + int rename; + struct active_request_slot *slot; +}; -extern struct active_request_slot *active_queue_head; +extern struct http_object_request *new_http_object_request( + const char *base_url, unsigned char *sha1); +extern void process_http_object_request(struct http_object_request *freq); +extern int finish_http_object_request(struct http_object_request *freq); +extern void abort_http_object_request(struct http_object_request *freq); +extern void release_http_object_request(struct http_object_request *freq); #endif /* HTTP_H */ |