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#ifndef _LIGHTTPD_UTILS_H_
#define _LIGHTTPD_UTILS_H_
#include <lighttpd/settings.h>
typedef enum {
COUNTER_TIME,
COUNTER_BYTES,
COUNTER_UNITS
} liCounterType;
LI_API void li_fatal(const gchar* msg);
/* set O_NONBLOCK and FD_CLOEXEC */
LI_API void li_fd_init(int fd);
LI_API void li_fd_no_block(int fd);
LI_API void li_fd_block(int fd);
#ifndef LIGHTY_OS_WINDOWS
/* return -2 for EAGAIN, -1 for some other error, 0 for success */
LI_API int li_send_fd(int s, int fd); /* write fd to unix socket s */
LI_API int li_receive_fd(int s, int *fd); /* read fd from unix socket s */
#endif
LI_API void li_ev_io_add_events(struct ev_loop *loop, ev_io *watcher, int events);
LI_API void li_ev_io_rem_events(struct ev_loop *loop, ev_io *watcher, int events);
LI_API void li_ev_io_set_events(struct ev_loop *loop, ev_io *watcher, int events);
#define li_ev_safe_ref_and_stop(stopf, loop, watcher) do { \
ev_watcher *__w = (ev_watcher*) watcher; \
if (ev_is_active(__w)) { \
ev_ref(loop); \
stopf(loop, watcher); \
} \
} while (0)
#define li_ev_safe_unref_and_start(startf, loop, watcher) do { \
ev_watcher *__w = (ev_watcher*) watcher; \
if (!ev_is_active(__w)) { \
startf(loop, watcher); \
ev_unref(loop); \
} \
} while (0)
/* URL inplace decode: replace %XX with character \xXX; replace control characters with '_' (< 32 || == 127) */
LI_API void li_url_decode(GString *path);
LI_API void li_path_simplify(GString *path);
/* ensures path has a trailing slash */
INLINE void li_path_append_slash(GString *path);
/* finds the first value for a given key in the querystring. works with '&' as well as ';' delimiters */
LI_API gboolean li_querystring_find(const GString *querystring, const gchar *key, const guint key_len, gchar **val, guint *val_len);
/* formats a given guint64 for output. if dest is NULL, a new string is allocated */
LI_API GString *li_counter_format(guint64 count, liCounterType t, GString *dest);
LI_API void li_string_destroy_notify(gpointer str);
LI_API guint li_hash_binary_len(gconstpointer data, gsize len);
/* expects a pointer to a 32bit value */
LI_API guint li_hash_ipv4(gconstpointer key);
/* expects a pointer to a 128bit value */
LI_API guint li_hash_ipv6(gconstpointer key);
/* expects liSocketAddress* */
LI_API guint li_hash_sockaddr(gconstpointer key);
LI_API gboolean li_equal_sockaddr(gconstpointer key1, gconstpointer key2);
/* converts a sock_addr to a human readable string. ipv4 and ipv6 supported. if dest is NULL, a new string will be allocated */
LI_API GString *li_sockaddr_to_string(liSocketAddress addr, GString *dest, gboolean showport);
LI_API liSocketAddress li_sockaddr_from_string(const GString *str, guint tcp_default_port);
LI_API liSocketAddress li_sockaddr_local_from_socket(gint fd);
LI_API liSocketAddress li_sockaddr_remote_from_socket(gint fd);
LI_API void li_sockaddr_clear(liSocketAddress *saddr);
LI_API liSocketAddress li_sockaddr_dup(liSocketAddress saddr);
LI_API gboolean li_ipv4_in_ipv4_net(guint32 target, guint32 match, guint32 networkmask);
LI_API gboolean li_ipv6_in_ipv6_net(const unsigned char *target, const guint8 *match, guint network);
LI_API gboolean li_ipv6_in_ipv4_net(const unsigned char *target, guint32 match, guint32 networkmask);
LI_API gboolean li_ipv4_in_ipv6_net(guint32 target, const guint8 *match, guint network);
LI_API void li_gstring_replace_char_with_str_len(GString *gstr, gchar c, gchar *str, guint len);
INLINE GString li_const_gstring(const gchar *str, gsize len);
LI_API gboolean li_strncase_equal(const GString *str, const gchar *s, guint len);
LI_API GString *li_string_assign_len(GString *string, const gchar *val, gssize len);
LI_API gboolean li_string_prefix(const GString *str, const gchar *s, gsize len);
LI_API gboolean li_string_suffix(const GString *str, const gchar *s, gsize len);
LI_API void li_string_append_int(GString *dest, gint64 val);
LI_API gsize li_dirent_buf_size(DIR * dirp);
LI_API void li_apr_sha1_base64(GString *dest, const GString *passwd);
LI_API void li_apr_md5_crypt(GString *dest, const GString *password, const GString *salt);
LI_API void li_safe_crypt(GString *dest, const GString *password, const GString *salt);
INLINE GString* _li_g_string_append_len(GString *s, const gchar *val, gssize len);
INLINE void li_g_string_clear(GString *s);
/* src will be empty after the merge, and dest' = dest (++) src */
LI_API void li_g_queue_merge(GQueue *dest, GQueue *src);
/* error log helper functions */
#define LI_REMOVE_PATH_FROM_FILE 1
LI_API const char *li_remove_path(const char *path);
#if LI_REMOVE_PATH_FROM_FILE
#define LI_REMOVE_PATH(file) li_remove_path(file)
#else
#define LI_REMOVE_PATH(file) file
#endif
#define LI_SYS_ERROR li_sys_error_quark()
LI_API GQuark li_sys_error_quark();
#define LI_SET_SYS_ERROR(error, msg) \
_li_set_sys_error(error, msg, REMOVE_PATH(__FILE__), __LINE__);
LI_API gboolean _li_set_sys_error(GError **error, const gchar *msg, const gchar *file, int lineno);
/* idea from linux kernel container_of: include/linux/kernel.h
* Please note that this "implementation" is not "type-safe"; it doesn't
* check the type of the ptr.
*/
/**
* LI_CONTAINER_OF - cast a member of a structure out to the containing structure
* @ptr: the pointer to the member.
* @type: the type of the container struct this is embedded in.
* @member: the name of the member within the struct.
*
*/
#define LI_CONTAINER_OF(ptr, type, member) \
((type *)( (char *) ptr - offsetof(type, member) ))
/* inline implementations */
INLINE void li_path_append_slash(GString *path) {
if (path->len == 0 || path->str[path->len-1] != '/')
g_string_append_len(path, "/", 1);
}
/** warning: This "GString" does not make sure that there is a terminating '\0', and you shouldn't modify the GString */
INLINE GString li_const_gstring(const gchar *str, gsize len) {
GString gs = { (gchar*) str, len, 0 };
return gs;
}
#ifndef g_string_append_len
# define g_string_append_len _li_g_string_append_len
#endif
INLINE GString* _li_g_string_append_len(GString *s, const gchar *val, gssize len) {
return g_string_insert_len(s, -1, val, len);
}
INLINE void li_g_string_clear(GString *s) {
s->len = 0;
s->str[0] = '\0';
}
#endif