/** \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;
AFSI_LYRICS_ID_OFFSET = 24,
/** Storage position of the .audio_format_id field. */
AFSI_AUDIO_FORMAT_ID_OFFSET = 28,
+ /** 3 bytes reserved space for future usage. */
+ AFSI_AUDIO_FORMAT_UNUSED_OFFSET = 29,
/** On-disk storage space needed. */
- AFSI_SIZE = 29
+ AFSI_SIZE = 32
};
/**
write_u32(buf + AFSI_LYRICS_ID_OFFSET, afsi->lyrics_id);
write_u8(buf + AFSI_AUDIO_FORMAT_ID_OFFSET,
afsi->audio_format_id);
+ memset(buf + AFSI_AUDIO_FORMAT_UNUSED_OFFSET, 0, 3);
}
/**
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;
+ 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;
if (afhi->chunks_total * 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);
+ load_chunk_table(afhi, buf + CHUNK_TABLE_OFFSET);
return 1;
}
return 1;
}
+#if 0
/**
* Get the chunk table of an audio file, given a row of the audio file table.
*
osl_close_disk_object(&obj);
return ret;
}
+#endif
+
+/* returns shmid on success */
+static int save_afd(struct audio_file_data *afd)
+{
+ size_t path_size = strlen(afd->path) + 1;
+ size_t size = sizeof(*afd) + path_size
+ + 4 * afd->afhi.chunks_total;
+
+ PARA_NOTICE_LOG("size: %zu\n", size);
+ int shmid, ret = shm_new(size);
+ void *shm_afd;
+ char *buf;
+
+ if (ret < 0)
+ return ret;
+ 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);
+ strcpy(buf, afd->path);
+ buf += path_size;
+ 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->path = para_strdup(buf);
+ buf += strlen(buf) + 1;
+ afd->afhi.chunk_table = para_malloc(afd->afhi.chunks_total * sizeof(size_t));
+ load_chunk_table(&afd->afhi, buf);
+ shm_detach(shm_afd);
+ return 1;
+}
/**
* Mmap the given audio file and update statistics.
struct osl_object afsi_obj;
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;
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(afd->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 */
- if (afd->current_play_mode == PLAY_MODE_PLAYLIST)
- ret = playlist_update_audio_file(aft_row);
- else {
- struct afsi_change_event_data aced = {.aft_row = aft_row,
- .old_afsi = &afd->afsi};
- afs_event(AFSI_CHANGE, NULL, &aced);
- }
- return ret;
-err:
+
+ ret = load_chunk_info(&chunk_table_obj, &afd->afhi);
+ if (ret < 0)
+ goto err;
+
+ aced.aft_row = aft_row;
+ aced.old_afsi = &afd->afsi;
+ afs_event(AFSI_CHANGE, NULL, &aced);
+ ret = save_afd(afd);
+ if (ret < 0)
+ goto err;
free(afd->afhi.chunk_table);
+err:
+ osl_close_disk_object(&chunk_table_obj);
return ret;
}
return 0;
result->data = msg.buf;
result->size = msg.size;
+ afs_event(AUDIO_FILE_ADD, &msg, aft_row);
return 1;
- // mood_update_audio_file(aft_row, NULL);
}
struct private_add_data {
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)
if (ret > 0) {
send_buffer(fd, (char *)result.data);
free(result.data);
- } else
+ } else if (ret < 0)
send_va_buffer(fd, "%s\n", PARA_STRERROR(-ret));
return ret;
}
projects / paraslash.git / blobdiff