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cgitsb/cgit.h

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C
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Import cgit prototype from git tree This enables basic cgit functionality, using libgit.a and xdiff/lib.a from git + a custom "git.h" + openssl for sha1 routines. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-09 15:18:17 +01:00
#ifndef CGIT_H
#define CGIT_H
#include "git.h"
#include <openssl/sha.h>
Add caching infrastructure This enables internal caching of page output. Page requests are split into four groups: 1) repo listing (front page) 2) repo summary 3) repo pages w/symbolic references in query string 4) repo pages w/constant sha1's in query string Each group has a TTL specified in minutes. When a page is requested, a cached filename is stat(2)'ed and st_mtime is compared to time(2). If TTL has expired (or the file didn't exist), the cached file is regenerated. When generating a cached file, locking is used to avoid parallell processing of the request. If multiple processes tries to aquire the same lock, the ones who fail to get the lock serves the (expired) cached file. If the cached file don't exist, the process instead calls sched_yield(2) before restarting the request processing. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-10 22:31:36 +01:00
#include <ctype.h>
#include <sched.h>
typedef void (*configfn)(const char *name, const char *value);
struct cacheitem {
char *name;
struct stat st;
int ttl;
int fd;
};
Move common output-functions into ui-shared.c While at it, replace the cgit_[lib_]error constants with a proper function Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 16:38:30 +01:00
extern const char cgit_version[];
Add caching infrastructure This enables internal caching of page output. Page requests are split into four groups: 1) repo listing (front page) 2) repo summary 3) repo pages w/symbolic references in query string 4) repo pages w/constant sha1's in query string Each group has a TTL specified in minutes. When a page is requested, a cached filename is stat(2)'ed and st_mtime is compared to time(2). If TTL has expired (or the file didn't exist), the cached file is regenerated. When generating a cached file, locking is used to avoid parallell processing of the request. If multiple processes tries to aquire the same lock, the ones who fail to get the lock serves the (expired) cached file. If the cached file don't exist, the process instead calls sched_yield(2) before restarting the request processing. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-10 22:31:36 +01:00
extern char *cgit_root;
extern char *cgit_root_title;
extern char *cgit_css;
extern char *cgit_logo;
extern char *cgit_logo_link;
extern char *cgit_virtual_root;
extern char *cgit_cache_root;
Avoid infinite loops in caching layer Add a global variable, cgit_max_lock_attemps, to avoid the possibility of infinite loops when failing to acquire a lockfile. This could happen on broken setups or under crazy server load. Incidentally, this also fixes a lurking bug in cache_lock() where an uninitialized returnvalue was used. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 12:10:12 +01:00
extern int cgit_max_lock_attempts;
Add caching infrastructure This enables internal caching of page output. Page requests are split into four groups: 1) repo listing (front page) 2) repo summary 3) repo pages w/symbolic references in query string 4) repo pages w/constant sha1's in query string Each group has a TTL specified in minutes. When a page is requested, a cached filename is stat(2)'ed and st_mtime is compared to time(2). If TTL has expired (or the file didn't exist), the cached file is regenerated. When generating a cached file, locking is used to avoid parallell processing of the request. If multiple processes tries to aquire the same lock, the ones who fail to get the lock serves the (expired) cached file. If the cached file don't exist, the process instead calls sched_yield(2) before restarting the request processing. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-10 22:31:36 +01:00
extern int cgit_cache_root_ttl;
extern int cgit_cache_repo_ttl;
extern int cgit_cache_dynamic_ttl;
extern int cgit_cache_static_ttl;
extern int cgit_cache_max_create_time;
extern char *cgit_repo_name;
extern char *cgit_repo_desc;
extern char *cgit_repo_owner;
extern int cgit_query_has_symref;
extern int cgit_query_has_sha1;
extern char *cgit_querystring;
extern char *cgit_query_repo;
extern char *cgit_query_page;
extern char *cgit_query_head;
extern char *cgit_query_sha1;
extern int htmlfd;
Import cgit prototype from git tree This enables basic cgit functionality, using libgit.a and xdiff/lib.a from git + a custom "git.h" + openssl for sha1 routines. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-09 15:18:17 +01:00
Move global variables + callback functions into shared.c Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 17:25:41 +01:00
extern void cgit_global_config_cb(const char *name, const char *value);
extern void cgit_repo_config_cb(const char *name, const char *value);
extern void cgit_querystring_cb(const char *name, const char *value);
Import cgit prototype from git tree This enables basic cgit functionality, using libgit.a and xdiff/lib.a from git + a custom "git.h" + openssl for sha1 routines. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-09 15:18:17 +01:00
extern char *fmt(const char *format,...);
extern void html(const char *txt);
extern void htmlf(const char *format,...);
extern void html_txt(char *txt);
extern void html_attr(char *txt);
extern void html_link_open(char *url, char *title, char *class);
extern void html_link_close(void);
extern int cgit_read_config(const char *filename, configfn fn);
Rename config.c to parsing.c + move cgit_parse_query from cgit.c to parsing.c Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 16:11:40 +01:00
extern int cgit_parse_query(char *txt, configfn fn);
Import cgit prototype from git tree This enables basic cgit functionality, using libgit.a and xdiff/lib.a from git + a custom "git.h" + openssl for sha1 routines. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-09 15:18:17 +01:00
Fix cache algorithm loophole This closes the door for unneccessary calls to cgit_fill_cache(). Noticed by Linus. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 09:57:58 +01:00
extern void cache_prepare(struct cacheitem *item);
Add caching infrastructure This enables internal caching of page output. Page requests are split into four groups: 1) repo listing (front page) 2) repo summary 3) repo pages w/symbolic references in query string 4) repo pages w/constant sha1's in query string Each group has a TTL specified in minutes. When a page is requested, a cached filename is stat(2)'ed and st_mtime is compared to time(2). If TTL has expired (or the file didn't exist), the cached file is regenerated. When generating a cached file, locking is used to avoid parallell processing of the request. If multiple processes tries to aquire the same lock, the ones who fail to get the lock serves the (expired) cached file. If the cached file don't exist, the process instead calls sched_yield(2) before restarting the request processing. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-10 22:31:36 +01:00
extern int cache_lock(struct cacheitem *item);
extern int cache_unlock(struct cacheitem *item);
Don't truncate valid cachefiles An embarrassing thinko in cgit_check_cache() would truncate valid cachefiles in the following situation: 1) process A notices a missing/expired cachefile 2) process B gets scheduled, locks, fills and unlocks the cachefile 3) process A gets scheduled, locks the cachefile, notices that the cachefile now exist/is not expired anymore, and continues to overwrite it with an empty lockfile. Thanks to Linus for noticing (again). Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 22:53:50 +01:00
extern int cache_cancel_lock(struct cacheitem *item);
Fix cache algorithm loophole This closes the door for unneccessary calls to cgit_fill_cache(). Noticed by Linus. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 09:57:58 +01:00
extern int cache_exist(struct cacheitem *item);
Add caching infrastructure This enables internal caching of page output. Page requests are split into four groups: 1) repo listing (front page) 2) repo summary 3) repo pages w/symbolic references in query string 4) repo pages w/constant sha1's in query string Each group has a TTL specified in minutes. When a page is requested, a cached filename is stat(2)'ed and st_mtime is compared to time(2). If TTL has expired (or the file didn't exist), the cached file is regenerated. When generating a cached file, locking is used to avoid parallell processing of the request. If multiple processes tries to aquire the same lock, the ones who fail to get the lock serves the (expired) cached file. If the cached file don't exist, the process instead calls sched_yield(2) before restarting the request processing. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-10 22:31:36 +01:00
extern int cache_expired(struct cacheitem *item);
Move functions for repolist output into ui-repolist.c Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 16:48:03 +01:00
extern char *cgit_repourl(const char *reponame);
extern char *cgit_pageurl(const char *reponame, const char *pagename,
const char *query);
Move common output-functions into ui-shared.c While at it, replace the cgit_[lib_]error constants with a proper function Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 16:38:30 +01:00
extern void cgit_print_error(char *msg);
extern void cgit_print_docstart(char *title, struct cacheitem *item);
extern void cgit_print_docend();
extern void cgit_print_pageheader(char *title);
Move functions for repolist output into ui-repolist.c Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 16:48:03 +01:00
extern void cgit_print_repolist(struct cacheitem *item);
Move log-functions into ui-log.c Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 17:04:19 +01:00
extern void cgit_print_summary();
extern void cgit_print_log(const char *tip, int ofs, int cnt);
Move functions for generic object output into ui-view.c Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 17:12:26 +01:00
extern void cgit_print_view(char *hex);
Move functions for repolist output into ui-repolist.c Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-11 16:48:03 +01:00
Import cgit prototype from git tree This enables basic cgit functionality, using libgit.a and xdiff/lib.a from git + a custom "git.h" + openssl for sha1 routines. Signed-off-by: Lars Hjemli <hjemli@gmail.com>
2006-12-09 15:18:17 +01:00
#endif /* CGIT_H */
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