#include <netdb.h>
#include "_sd-common.h"
+#include "sd-event.h"
_SD_BEGIN_DECLARATIONS;
-/** An opaque sd-resolve session structure */
+/* An opaque sd-resolve session structure */
typedef struct sd_resolve sd_resolve;
-/** An opaque sd-resolve query structure */
+/* An opaque sd-resolve query structure */
typedef struct sd_resolve_query sd_resolve_query;
-/** Allocate a new sd-resolve session. */
+/* A callback on completion */
+typedef int (*sd_resolve_getaddrinfo_handler_t)(sd_resolve_query *q, int ret, const struct addrinfo *ai, void *userdata);
+typedef int (*sd_resolve_getnameinfo_handler_t)(sd_resolve_query *q, int ret, const char *host, const char *serv, void *userdata);
+typedef int (*sd_resolve_res_handler_t)(sd_resolve_query* q, int ret, unsigned char *answer, void *userdata);
+
+enum {
+ SD_RESOLVE_GET_HOST = 1ULL,
+ SD_RESOLVE_GET_SERVICE = 2ULL,
+ SD_RESOLVE_GET_BOTH = 3ULL
+};
+
+int sd_resolve_default(sd_resolve **ret);
+
+/* Allocate a new sd-resolve session. */
int sd_resolve_new(sd_resolve **ret);
-/** Free a sd-resolve session. This destroys all attached
+/* Free a sd-resolve session. This destroys all attached
* sd_resolve_query objects automatically. */
sd_resolve* sd_resolve_unref(sd_resolve *resolve);
+sd_resolve* sd_resolve_ref(sd_resolve *resolve);
-/** Return the UNIX file descriptor to poll() for events on. Use this
+/* Return the UNIX file descriptor to poll() for events on. Use this
* function to integrate sd-resolve with your custom main loop. */
int sd_resolve_get_fd(sd_resolve *resolve);
-/** Return the poll() events (a combination of flags like POLLIN,
+/* Return the poll() events (a combination of flags like POLLIN,
* POLLOUT, ...) to check for. */
int sd_resolve_get_events(sd_resolve *resolve);
-/** Return the poll() timeout to pass. Returns (uint64_t) -1 as
+/* Return the poll() timeout to pass. Returns (uint64_t) -1 as
* timeout if no timeout is needed. */
int sd_resolve_get_timeout(sd_resolve *resolve, uint64_t *timeout_usec);
-/** Process pending responses. After this function is called, you can
+/* Process pending responses. After this function is called, you can
* get the next completed query object(s) using
* sd_resolve_get_next(). */
int sd_resolve_process(sd_resolve *resolve);
-/** Wait for a resolve event to complete. */
+/* Wait for a resolve event to complete. */
int sd_resolve_wait(sd_resolve *resolve, uint64_t timeout_usec);
-/** Issue a name-to-address query on the specified session. The
+int sd_resolve_get_tid(sd_resolve *resolve, pid_t *tid);
+
+int sd_resolve_attach_event(sd_resolve *resolve, sd_event *e, int priority);
+int sd_resolve_detach_event(sd_resolve *resolve);
+sd_event *sd_resolve_get_event(sd_resolve *resolve);
+
+/* Issue a name-to-address query on the specified session. The
* arguments are compatible with those of libc's
* getaddrinfo(3). The function returns a new query object. When the
* query is completed, you may retrieve the results using
* sd_resolve_getaddrinfo_done(). */
-int sd_resolve_getaddrinfo(sd_resolve *resolve, sd_resolve_query **q, const char *node, const char *service, const struct addrinfo *hints);
-
-/** Retrieve the results of a preceding sd_resolve_getaddrinfo()
- * call. Returns a addrinfo structure and a return value compatible
- * with libc's getaddrinfo(3). The query object, q, is destroyed by this
- * call and may not be used any further. Make sure to free the
- * returned addrinfo structure with sd_resolve_freeaddrinfo() and not
- * libc's freeaddrinfo(3)! If the query is not completed yet, EAI_AGAIN
- * is returned. */
-int sd_resolve_getaddrinfo_done(sd_resolve_query* q, struct addrinfo **ret_ai);
-
-/** Free the addrinfo structure as returned by
- * sd_resolve_getaddrinfo_done(). Make sure to use this function instead
- * of libc's freeaddrinfo()! */
-void sd_resolve_freeaddrinfo(struct addrinfo *ai);
-
-/** Issue an address-to-name query on the specified session. The
+int sd_resolve_getaddrinfo(sd_resolve *resolve, sd_resolve_query **q, const char *node, const char *service, const struct addrinfo *hints, sd_resolve_getaddrinfo_handler_t callback, void *userdata);
+
+/* Issue an address-to-name query on the specified session. The
* arguments are compatible with those of libc's
* getnameinfo(3). The function returns a new query object. When the
* query is completed, you may retrieve the results using
* sd_resolve_getnameinfo_done(). Set gethost (resp. getserv) to non-zero
* if you want to query the hostname (resp. the service name). */
-int sd_resolve_getnameinfo(sd_resolve *resolve, sd_resolve_query **q, const struct sockaddr *sa, socklen_t salen, int flags, int gethost, int getserv);
+int sd_resolve_getnameinfo(sd_resolve *resolve, sd_resolve_query **q, const struct sockaddr *sa, socklen_t salen, int flags, uint64_t get, sd_resolve_getnameinfo_handler_t callback, void *userdata);
-/** Retrieve the results of a preceding sd_resolve_getnameinfo()
- * call. Returns the hostname and the service name in ret_host and
- * ret_serv. The query object, q, is destroyed by this call and may not
- * be used any further. If the query is not completed yet, EAI_AGAIN is
- * returned. */
-int sd_resolve_getnameinfo_done(sd_resolve_query* q, char **ret_host, char **ret_serv);
-
-/** Issue a resolver query on the specified session. The arguments are
+/* Issue a resolver query on the specified session. The arguments are
* compatible with those of libc's res_query(3). The function returns a new
* query object. When the query is completed, you may retrieve the results using
* sd_resolve_res_done(). */
-int sd_resolve_res_query(sd_resolve *resolve, sd_resolve_query **q, const char *dname, int clazz, int type);
+int sd_resolve_res_query(sd_resolve *resolve, sd_resolve_query **q, const char *dname, int clazz, int type, sd_resolve_res_handler_t callback, void *userdata);
-/** Issue a resolver query on the specified session. The arguments are
+/* Issue a resolver query on the specified session. The arguments are
* compatible with those of libc's res_search(3). The function returns a new
* query object. When the query is completed, you may retrieve the results using
* sd_resolve_res_done(). */
-int sd_resolve_res_search(sd_resolve *resolve, sd_resolve_query **q, const char *dname, int clazz, int type);
-
-/** Retrieve the results of a preceding sd_resolve_res_query() or
- * resolve_res_search call. The query object, q, is destroyed by this
- * call and may not be used any further. Returns a pointer to the
- * answer of the res_query call. If the query is not completed yet,
- * -EAGAIN is returned; on failure, -errno is returned; otherwise, the
- * length of answer is returned. */
-int sd_resolve_res_done(sd_resolve_query* q, unsigned char **answer);
-
-/** Return the next completed query object. If no query has been
- * completed yet, return NULL. Please note that you need to run
- * sd_resolve_wait() before this function will return sensible data. */
-int sd_resolve_get_next(sd_resolve *resolve, sd_resolve_query **q);
-
-/** Return the number of query objects (completed or not) attached to
- * this session. */
-int sd_resolve_get_n_queries(sd_resolve *resolve);
-
-/** Cancel a currently running query. q is destroyed by this call
- * and may not be used any further. */
-int sd_resolve_cancel(sd_resolve_query* q);
-
-/** Returns non-zero when the query operation specified by q has been completed. */
-int sd_resolve_is_done(sd_resolve_query*q);
-
-/** Assign some opaque userdata with a query object. */
-void* sd_resolve_set_userdata(sd_resolve_query *q, void *userdata);
-
-/** Return userdata assigned to a query object. Use
- * sd_resolve_setuserdata() to set this data. If no data has been set
- * prior to this call, it returns NULL. */
-void* sd_resolve_get_userdata(sd_resolve_query *q);
+int sd_resolve_res_search(sd_resolve *resolve, sd_resolve_query **q, const char *dname, int clazz, int type, sd_resolve_res_handler_t callback, void *userdata);
+
+sd_resolve_query *sd_resolve_query_ref(sd_resolve_query* q);
+sd_resolve_query *sd_resolve_query_unref(sd_resolve_query* q);
+
+/* Returns non-zero when the query operation specified by q has been completed. */
+int sd_resolve_query_is_done(sd_resolve_query*q);
+
+void *sd_resolve_query_get_userdata(sd_resolve_query *q);
+void *sd_resolve_query_set_userdata(sd_resolve_query *q, void *userdata);
+
+sd_resolve *sd_resolve_query_get_resolve(sd_resolve_query *q);
_SD_END_DECLARATIONS;
~ianmdlvl / elogind.git / blobdiff