/** \file aft.c Audio file table functions. */
+#include <dirent.h> /* readdir() */
#include "para.h"
#include "error.h"
#include "string.h"
#include "afs.h"
#include "net.h"
#include "vss.h"
+#include "fd.h"
+#include "ipc.h"
static struct osl_table *audio_file_table;
strcpy(afhi->info_string, buf + AFHI_INFO_STRING_OFFSET);
}
+//#define SIZEOF_CHUNK_TABLE(afhi) (((afhi)->chunks_total + 1) * sizeof(uint32_t))
+
static unsigned sizeof_chunk_info_buf(struct audio_format_info *afhi)
{
if (!afhi)
return 0;
- return 4 * afhi->chunks_total + 20;
+ return 4 * (afhi->chunks_total + 1) + 20;
}
CHUNK_TABLE_OFFSET = 20,
};
-/* TODO: audio format handlers could just produce this */
-static void save_chunk_info(struct audio_format_info *afhi, char *buf)
+static void save_chunk_table(struct audio_format_info *afhi, char *buf)
{
int i;
+ PARA_NOTICE_LOG("%lu chunks\n", afhi->chunks_total);
+ for (i = 0; i <= afhi->chunks_total; i++)
+ write_u32(buf + 4 * i, afhi->chunk_table[i]);
+}
+
+static void load_chunk_table(struct audio_format_info *afhi, char *buf)
+{
+ int i;
+ for (i = 0; i <= afhi->chunks_total; i++)
+ afhi->chunk_table[i] = read_u32(buf + 4 * i);
+}
+
+/* TODO: audio format handlers could just produce this */
+static void save_chunk_info(struct audio_format_info *afhi, char *buf)
+{
if (!afhi)
return;
write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
write_u32(buf + CHUNK_TV_TV_USEC, afhi->chunk_tv.tv_usec);
- for (i = 0; i < afhi->chunks_total; i++)
- write_u32(buf + CHUNK_TABLE_OFFSET + 4 * i, afhi->chunk_table[i]);
+ save_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
}
static int load_chunk_info(struct osl_object *obj, struct audio_format_info *afhi)
{
char *buf = obj->data;
- int i;
if (obj->size < CHUNK_TABLE_OFFSET)
return -E_BAD_DATA_SIZE;
afhi->chunk_tv.tv_sec = read_u32(buf + CHUNK_TV_TV_SEC_OFFSET);
afhi->chunk_tv.tv_usec = read_u32(buf + CHUNK_TV_TV_USEC);
- if (afhi->chunks_total * 4 + CHUNK_TABLE_OFFSET > obj->size)
+ if ((afhi->chunks_total + 1) * 4 + CHUNK_TABLE_OFFSET > obj->size)
return -E_BAD_DATA_SIZE;
- afhi->chunk_table = para_malloc(afhi->chunks_total * sizeof(size_t));
- for (i = 0; i < afhi->chunks_total; i++)
- afhi->chunk_table[i] = read_u32(buf + CHUNK_TABLE_OFFSET + 4 * i);
+ afhi->chunk_table = para_malloc((afhi->chunks_total + 1) * 4);
+ load_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
return 1;
}
* \param row Pointer to a row in the audio file table.
* \param path Result pointer.
*
- * \return Positive on success, negative on errors.
+ * The result is a pointer to mmapped data. The caller must not attempt
+ * to free it.
+ *
+ * \return Standard.
*/
int get_audio_file_path_of_row(const struct osl_row *row, char **path)
{
return 1;
}
-/**
- * Get the chunk table of an audio file, given a row of the audio file table.
- *
- * \param row Pointer to a row of the audio file table.
- * \param afhi Result pointer.
- *
- * \return The return value of the underlying call to osl_open_disk_object().
- *
- * \sa get_afhi_of_row().
- */
-static int get_chunk_table_of_row(const struct osl_row *row, struct audio_format_info *afhi)
+/* returns shmid on success */
+static int save_afd(struct audio_file_data *afd)
{
- struct osl_object obj;
- int ret = osl_open_disk_object(audio_file_table, row, AFTCOL_CHUNKS,
- &obj);
+ size_t size = sizeof(*afd)
+ + 4 * (afd->afhi.chunks_total + 1);
+
+ PARA_NOTICE_LOG("size: %zu\n", size);
+ int shmid, ret = shm_new(size);
+ void *shm_afd;
+ char *buf;
+
if (ret < 0)
return ret;
- ret = load_chunk_info(&obj, afhi);
- osl_close_disk_object(&obj);
+ shmid = ret;
+ ret = shm_attach(shmid, ATTACH_RW, &shm_afd);
+ if (ret < 0)
+ goto err;
+ *(struct audio_file_data *)shm_afd = *afd;
+ buf = shm_afd;
+ buf += sizeof(*afd);
+ save_chunk_table(&afd->afhi, buf);
+ shm_detach(shm_afd);
+ return shmid;
+err:
+ shm_destroy(shmid);
return ret;
}
+int load_afd(int shmid, struct audio_file_data *afd)
+{
+ void *shm_afd;
+ char *buf;
+ int ret;
+
+ ret = shm_attach(shmid, ATTACH_RO, &shm_afd);
+ if (ret < 0)
+ return ret;
+ *afd = *(struct audio_file_data *)shm_afd;
+ buf = shm_afd;
+ buf += sizeof(*afd);
+ afd->afhi.chunk_table = para_malloc((afd->afhi.chunks_total + 1) * 4);
+ load_chunk_table(&afd->afhi, buf);
+ shm_detach(shm_afd);
+ return 1;
+}
+
/**
* Mmap the given audio file and update statistics.
*
struct afs_info new_afsi;
int ret = get_hash_of_row(aft_row, &aft_hash);
struct afsi_change_event_data aced;
+ struct osl_object map, chunk_table_obj;
+ char *tmp, *path;
if (ret < 0)
return ret;
- ret = get_audio_file_path_of_row(aft_row, &afd->path);
+ ret = get_audio_file_path_of_row(aft_row, &path);
if (ret < 0)
return ret;
+ strncpy(afd->path, path, sizeof(afd->path) - 1);
+ afd->path[sizeof(afd->path) - 1] = '\0';
ret = get_afsi_object_of_row(aft_row, &afsi_obj);
if (ret < 0)
return ret;
ret = get_afhi_of_row(aft_row, &afd->afhi);
if (ret < 0)
return ret;
- ret = get_chunk_table_of_row(aft_row, &afd->afhi);
+ ret = osl_open_disk_object(audio_file_table, aft_row,
+ AFTCOL_CHUNKS, &chunk_table_obj);
if (ret < 0)
return ret;
- ret = mmap_full_file(afd->path, O_RDONLY, &afd->map);
+ ret = mmap_full_file(path, O_RDONLY, &map.data,
+ &map.size, &afd->fd);
if (ret < 0)
goto err;
- hash_function(afd->map.data, afd->map.size, file_hash);
- ret = -E_HASH_MISMATCH;
- if (hash_compare(file_hash, aft_hash))
+ hash_function(map.data, map.size, file_hash);
+ ret = hash_compare(file_hash, aft_hash);
+ para_munmap(map.data, map.size);
+ if (ret) {
+ ret = -E_HASH_MISMATCH;
goto err;
+ }
new_afsi = afd->afsi;
new_afsi.num_played++;
new_afsi.last_played = time(NULL);
save_afsi(&new_afsi, &afsi_obj); /* in-place update */
+ ret = load_chunk_info(&chunk_table_obj, &afd->afhi);
+ if (ret < 0)
+ goto err;
+ ret = get_attribute_text(&afd->afsi.attributes, " ", &tmp);
+ if (ret < 0)
+ goto err;
+ tmp[sizeof(afd->attributes_string) - 1] = '\0';
+ strcpy(afd->attributes_string, tmp); /* OK */
+ free(tmp);
+
aced.aft_row = aft_row;
aced.old_afsi = &afd->afsi;
afs_event(AFSI_CHANGE, NULL, &aced);
-
- return ret;
-err:
+ ret = save_afd(afd);
+ if (ret < 0)
+ goto err;
free(afd->afhi.chunk_table);
+err:
+ osl_close_disk_object(&chunk_table_obj);
return ret;
}
* full list: list everything, including afsi, afhi, atts as clear text
*
* */
-int com_afs_ls(int fd, int argc, char * const * const argv)
+int com_ls(int fd, int argc, char * const * const argv)
{
int i, ret;
unsigned flags = 0;
const struct private_add_data *pad = private_data;
struct audio_format_info afhi, *afhi_ptr = NULL;
struct osl_row *pb = NULL, *hs = NULL; /* path brother/hash sister */
- struct osl_object map, obj = {.data = NULL}, query, result;
+ struct osl_object map, obj = {.data = NULL}, query, result = {.data = NULL};
HASH_TYPE hash[HASH_SIZE];
afhi.header_offset = 0;
goto out_free;
}
/* We still want to add this file. Compute its hash. */
- ret = mmap_full_file(path, O_RDONLY, &map);
+ ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, NULL);
if (ret < 0)
goto out_free;
hash_function(map.data, map.size, hash);
save_audio_file_info(hash, path, afhi_ptr, pad->flags, format_num, &obj);
/* Ask afs to consider this entry for adding. */
ret = send_callback_request(com_add_callback, &obj, &result);
- if (result.data && result.size) {
+ if (ret >= 0 && result.data && result.size) {
ret2 = send_va_buffer(pad->fd, "%s", (char *)result.data);
free(result.data);
if (ret >= 0 && ret2 < 0)
}
/* TODO options: -r (recursive) */
-int com_afs_rm(int fd, int argc, char * const * const argv)
+int com_rm(int fd, int argc, char * const * const argv)
{
uint32_t flags = 0;
struct osl_object query = {.data = &flags, .size = sizeof(flags)},