X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=afs.h;h=273204e6c69f1aa926b795a49ce4dbd6721e3f9b;hp=2fdefa70c1830ac28f5787361ad2d1f965327926;hb=027f2c1237051d2d569d6be7f381c886f659bac3;hpb=4867d9a4948aadde4dd59436e1c5fb0fc141ba89 diff --git a/afs.h b/afs.h index 2fdefa70..273204e6 100644 --- a/afs.h +++ b/afs.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2007-2011 Andre Noll + * Copyright (C) 2007-2014 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -205,9 +205,38 @@ typedef void callback_function(int fd, const struct osl_object *); * * \sa \ref send_callback_request(). */ -typedef int callback_result_handler(struct osl_object *result, void *private); -int sc_send_result(struct osl_object *result, void *private); -int pass_buffer_as_shm(char *buf, size_t size, void *fd_ptr); +typedef int callback_result_handler(struct osl_object *result, uint8_t band, void *private); +int afs_cb_result_handler(struct osl_object *result, uint8_t band, void *private); +int pass_buffer_as_shm(int fd, uint8_t band, const char *buf, size_t size); + +/** Structure passed to the AFS max_size handler. */ +struct afs_max_size_handler_data { + /** Local socket connecting the command handler and the AFS process. */ + int fd; + /** The sideband designator for this data packet. */ + uint8_t band; +}; + +/** + * Standard max_size handler for AFS commands. + * + * \param buf Contains (part of) the AFS command output. + * \param size The number of bytes in \a buf. + * \param private Pointer to a \ref afs_max_size_handler_data structure. + * + * Whenever the output of an AFS command exceeds the maximal size of a shared + * memory area, the max size handler of the para_buffer which holds the command + * output is called with \a private being a pointer to a structure of type + * afs_max_size_handler_data. + * + * \return The return value of the underlying call to \ref + * pass_buffer_as_shm(). + */ +_static_inline_ int afs_max_size_handler(char *buf, size_t size, void *private) +{ + struct afs_max_size_handler_data *amshd = private; + return pass_buffer_as_shm(amshd->fd, amshd->band, buf, size); +} __noreturn void afs_init(uint32_t cookie, int socket_fd); void afs_event(enum afs_events event, struct para_buffer *pb, @@ -250,13 +279,9 @@ int aft_get_row_of_path(const char *path, struct osl_row **row); int open_and_update_audio_file(struct osl_row *aft_row, long score, struct audio_file_data *afd); int load_afd(int shmid, struct audio_file_data *afd); -int load_afsi(struct afs_info *afsi, struct osl_object *obj); -void save_afsi(struct afs_info *afsi, struct osl_object *obj); int get_afsi_of_row(const struct osl_row *row, struct afs_info *afsi); int get_afhi_of_row(const struct osl_row *row, struct afh_info *afhi); -int get_afsi_of_path(const char *path, struct afs_info *afsi); int get_audio_file_path_of_row(const struct osl_row *row, char **path); -int get_afsi_object_of_row(const struct osl_row *row, struct osl_object *obj); int audio_file_loop(void *private_data, osl_rbtree_loop_func *func); void aft_check_callback(int fd, __a_unused const struct osl_object *query);