gcrypt: Some trivial fixes.

[paraslash.git] / afs.h

diff --git a/afs.h b/afs.h
index 2fdefa70c1830ac28f5787361ad2d1f965327926..88b891c829d835efcef315ff8e5aa8fd1b725353 100644 (file)
--- a/afs.h
+++ b/afs.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2007 Andre Noll <maan@tuebingen.mpg.de>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -20,7 +20,7 @@ struct afs_info {
        uint32_t image_id;
        /** Lyrics blob associated with this file (foreign key). */
        uint32_t lyrics_id;
-       /** Mp3, ogg, aac, wma, spx. */
+       /** Mp3, ogg, ... */
        uint8_t audio_format_id;
        /** Amplification value. */
        uint8_t amp;
@@ -104,42 +104,12 @@ enum play_mode {
        PLAY_MODE_PLAYLIST,
 };
 
-/**
- * Data about one audio file.
- *
- * Needed to produce ls and stat output.
- */
-struct ls_data {
-       /** Usual audio format handler information. */
-       struct afh_info afhi;
-       /** Audio file selector information. */
-       struct afs_info afsi;
-       /** The full path of the audio file. */
-       char *path;
-       /** The score value (if -a was given). */
-       long score;
-       /** The hash value of audio file data. */
-       unsigned char *hash;
-};
-
-/** Data about the current audio file, passed from afs to server. */
-struct audio_file_data {
-       /** The open file descriptor to the current audio file. */
-       int fd;
-       /** Vss needs this for streaming. */
-       struct afh_info afhi;
-       /** Size of the largest chunk. */
-       uint32_t max_chunk_size;
-       /** Needed to get the audio file header. */
-       uint8_t audio_format_id;
-};
-
 /**
  * Codes used for communication between the server and the afs process.
  *
  * Before forking the afs child, para_server creates a bidirectional pipe
  * through which both processes communicate. Usually para_server requests a new
- * audio in order to start streaming or when the end of the current audio file
+ * audio file in order to start streaming or when the end of the current audio file
  * has been reached.  The afs process responds to such a request by sending
  * back an eight byte buffer. The first four bytes is the uint32_t
  * representation of the code, usually \p NEXT_AUDIO_FILE if an admissible
@@ -205,9 +175,38 @@ 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,
@@ -228,7 +227,6 @@ int for_each_matching_row(struct pattern_match_data *pmd);
 /* score */
 void score_init(struct afs_table *t);
 int admissible_file_loop(void *data, osl_rbtree_loop_func *func);
-int admissible_file_loop_reverse(void *data, osl_rbtree_loop_func *func);
 int score_get_best(struct osl_row **aft_row, long *score);
 int get_score_and_aft_row(struct osl_row *score_row, long *score, struct osl_row **aft_row);
 int score_add(const struct osl_row *row, long score);
@@ -250,13 +248,9 @@ 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);