* copied. It then notifies the afs process that the callback function \a f
* should be executed by sending the shared memory identifier (shmid) to the
* socket.
-
+ *
* If the callback produces a result, it sends any number of shared memory
* identifiers back via the socket. For each such identifier received, \a
* result_handler is called. The contents of the sma identified by the received
if (ret < 0)
goto out;
- *(uint32_t *) buf = afs_socket_cookie;
- *(int *) (buf + sizeof(afs_socket_cookie)) = query_shmid;
+ *(uint32_t *)buf = afs_socket_cookie;
+ *(int *)(buf + sizeof(afs_socket_cookie)) = query_shmid;
ret = connect_local_socket(conf.afs_socket_arg);
if (ret < 0)
}
/**
- * Open the audio file with highest score.
+ * Pass the fd of the next audio file to the server process.
*
* This stores all information for streaming the "best" audio file in a shared
* memory area. The id of that area and an open file descriptor for the next
*/
static int open_next_audio_file(void)
{
- struct osl_row *aft_row;
struct audio_file_data afd;
int ret, shmid;
char buf[8];
- long score;
- again:
- PARA_NOTICE_LOG("getting next audio file\n");
- ret = score_get_best(&aft_row, &score);
+
+ ret = open_and_update_audio_file(&afd);
if (ret < 0) {
PARA_ERROR_LOG("%s\n", para_strerror(-ret));
goto no_admissible_files;
}
- ret = open_and_update_audio_file(aft_row, score, &afd);
- if (ret < 0) {
- ret = score_delete(aft_row);
- if (ret < 0) {
- PARA_ERROR_LOG("%s\n", para_strerror(-ret));
- goto no_admissible_files;
- }
- goto again;
- }
shmid = ret;
if (!write_ok(server_socket)) {
ret = -E_AFS_SOCKET;
activate_mood_or_playlist(NULL, &num_admissible);
}
} else
- ret2 = para_printf(&pb, "activated %s (%d admissible files)\n", current_mop?
- current_mop : "dummy mood", num_admissible);
+ ret2 = para_printf(&pb, "activated %s (%d admissible files)\n",
+ current_mop? current_mop : "dummy mood",
+ num_admissible);
out:
if (ret2 >= 0 && pb.offset)
pass_buffer_as_shm(fd, SBD_OUTPUT, pb.buf, pb.offset);
{
uint32_t table_mask = *(uint32_t *)query->data;
int i, ret;
- struct para_buffer pb = {.buf = NULL};
+ struct para_buffer pb = {
+ .max_size = shm_get_shmmax(),
+ .private_data = &(struct afs_max_size_handler_data) {
+ .fd = fd,
+ .band = SBD_OUTPUT
+ }
+ };
close_afs_tables();
for (i = 0; i < NUM_AFS_TABLES; i++) {
.column_descriptions = aft_cols
};
- /* We don't want dot or dot-dot anywhere. */
- static int verify_dotfile(const char *rest)
- {
- /*
- * The first character was '.', but that has already been discarded, we
- * now test the rest.
- */
- switch (*rest) {
- case '\0': case '/': /* /foo/. and /foo/./bar are not ok */
- return -1;
- case '.': /* path start with /foo/.. */
- if (rest[1] == '\0' || rest[1] == '/')
- return -1; /* /foo/.. or /foo/../bar are not ok */
- /* /foo/..bar is ok */
- }
- return 1;
- }
-
/*
- * We fundamentally don't like some paths: We don't want double slashes or
- * slashes at the end that can make pathnames ambiguous.
+ * Produce a canonicalized absolute pathname.
+ *
+ * Returns one if the resolved path a directory, zero if it is a regular file,
+ * negative on errors.
*/
static int verify_path(const char *orig_path, char **resolved_path)
{
- char c;
- size_t len;
- char *path;
+ int ret;
+ char *path = NULL;
+ struct stat statbuf;
if (*orig_path != '/') /* we only accept absolute paths */
- return -E_BAD_PATH;
- len = strlen(orig_path);
- *resolved_path = para_strdup(orig_path);
- path = *resolved_path;
- while (len > 1 && path[--len] == '/')
- path[len] = '\0'; /* remove slash at the end */
- c = *path++;
- while (c) {
- if (c == '/') {
- c = *path++;
- switch (c) {
- case '/': /* double slash */
- goto bad_path;
- case '.':
- if (verify_dotfile(path) < 0)
- goto bad_path;
- default:
- continue;
- }
- }
- c = *path++;
- }
- return 1;
- bad_path:
- free(*resolved_path);
+ goto fail;
+ path = realpath(orig_path, NULL);
+ if (!path)
+ goto fail;
+ if (stat(path, &statbuf) < 0)
+ goto fail;
+ if (S_ISREG(statbuf.st_mode))
+ ret = 0;
+ else if (S_ISDIR(statbuf.st_mode))
+ ret = 1;
+ else
+ goto fail;
+ *resolved_path = path;
+ return ret;
+ fail:
+ *resolved_path = NULL;
+ free(path);
return -E_BAD_PATH;
}
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);
- load_chunk_table(&afd->afhi, buf);
+ load_chunk_table(&afd->afhi, shm_afd + sizeof(*afd));
shm_detach(shm_afd);
return 1;
}
return ret;
}
- static int make_status_items(struct audio_file_data *afd,
- struct afs_info *afsi, char *path, long score,
- unsigned char *hash)
+ static struct ls_data status_item_ls_data;
+ static struct osl_row *current_aft_row;
+
+ static void make_inode_status_items(struct para_buffer *pb)
+ {
+ struct stat statbuf = {.st_size = 0};
+ char *path, mtime_str[30] = "\0";
+ struct tm mtime_tm;
+ int ret;
+
+ ret = get_audio_file_path_of_row(current_aft_row, &path);
+ if (ret < 0)
+ goto out;
+ ret = stat(path, &statbuf);
+ if (ret < 0)
+ goto out;
+ localtime_r(&statbuf.st_mtime, &mtime_tm);
+ ret = strftime(mtime_str, 29, "%b %d %Y", &mtime_tm);
+ assert(ret > 0); /* number of bytes placed in mtime_str */
+ out:
+ /* We don't care too much about errors here */
+ (void)WRITE_STATUS_ITEM(pb, SI_MTIME, "%s\n", mtime_str);
+ (void)WRITE_STATUS_ITEM(pb, SI_FILE_SIZE, "%ld\n", statbuf.st_size / 1024);
+ }
+
+ static int make_status_items(void)
{
- struct ls_data d = {
- .afhi = afd->afhi,
- .afsi = *afsi,
- .path = path,
- .score = score,
- .hash = hash
- };
struct ls_options opts = {
.flags = LS_FLAG_FULL_PATH | LS_FLAG_ADMISSIBLE_ONLY,
.mode = LS_MODE_VERBOSE,
int ret;
time(¤t_time);
- ret = print_list_item(&d, &opts, &pb, current_time);
+ ret = print_list_item(&status_item_ls_data, &opts, &pb, current_time);
if (ret < 0)
return ret;
+ make_inode_status_items(&pb);
free(status_items);
status_items = pb.buf;
memset(&pb, 0, sizeof(pb));
pb.max_size = shm_get_shmmax() - 1;
pb.flags = PBF_SIZE_PREFIX;
- ret = print_list_item(&d, &opts, &pb, current_time);
+ ret = print_list_item(&status_item_ls_data, &opts, &pb, current_time);
if (ret < 0) {
free(status_items);
status_items = NULL;
return ret;
}
+ make_inode_status_items(&pb);
free(parser_friendly_status_items);
parser_friendly_status_items = pb.buf;
return 1;
}
/**
- * Mmap the given audio file and update statistics.
+ * Open the audio file with highest score and set up an afd structure.
*
- * \param aft_row Determines the audio file to be opened and updated.
- * \param score The score of the audio file.
* \param afd Result pointer.
*
* On success, the numplayed field of the audio file selector info is increased
*
* \return Positive shmid on success, negative on errors.
*/
- int open_and_update_audio_file(struct osl_row *aft_row, long score,
- struct audio_file_data *afd)
+ int open_and_update_audio_file(struct audio_file_data *afd)
{
- unsigned char *aft_hash, file_hash[HASH_SIZE];
+ unsigned char file_hash[HASH_SIZE];
struct osl_object afsi_obj;
- struct afs_info old_afsi, new_afsi;
- int ret = get_hash_of_row(aft_row, &aft_hash);
+ struct afs_info new_afsi;
+ int ret;
struct afsi_change_event_data aced;
struct osl_object map, chunk_table_obj;
- char *path;
-
+ struct ls_data *d = &status_item_ls_data;
+ again:
+ ret = score_get_best(¤t_aft_row, &d->score);
if (ret < 0)
return ret;
- ret = get_audio_file_path_of_row(aft_row, &path);
+ ret = get_hash_of_row(current_aft_row, &d->hash);
if (ret < 0)
return ret;
- PARA_NOTICE_LOG("%s\n", path);
- ret = get_afsi_object_of_row(aft_row, &afsi_obj);
+ ret = get_audio_file_path_of_row(current_aft_row, &d->path);
if (ret < 0)
return ret;
- ret = load_afsi(&old_afsi, &afsi_obj);
+ PARA_NOTICE_LOG("%s\n", d->path);
+ ret = get_afsi_object_of_row(current_aft_row, &afsi_obj);
if (ret < 0)
return ret;
- ret = get_afhi_of_row(aft_row, &afd->afhi);
+ ret = load_afsi(&d->afsi, &afsi_obj);
if (ret < 0)
return ret;
- afd->afhi.chunk_table = NULL;
- ret = osl(osl_open_disk_object(audio_file_table, aft_row,
+ ret = get_afhi_of_row(current_aft_row, &afd->afhi);
+ if (ret < 0)
+ return ret;
+ d->afhi = afd->afhi;
+ d->afhi.chunk_table = afd->afhi.chunk_table = NULL;
+ ret = osl(osl_open_disk_object(audio_file_table, current_aft_row,
AFTCOL_CHUNKS, &chunk_table_obj));
if (ret < 0)
return ret;
- ret = mmap_full_file(path, O_RDONLY, &map.data, &map.size, &afd->fd);
+ ret = mmap_full_file(d->path, O_RDONLY, &map.data, &map.size, &afd->fd);
if (ret < 0)
- goto err;
+ goto out;
hash_function(map.data, map.size, file_hash);
- ret = hash_compare(file_hash, aft_hash);
+ ret = hash_compare(file_hash, d->hash);
para_munmap(map.data, map.size);
if (ret) {
ret = -E_HASH_MISMATCH;
- goto err;
+ goto out;
}
- new_afsi = old_afsi;
+ new_afsi = d->afsi;
new_afsi.num_played++;
new_afsi.last_played = time(NULL);
save_afsi(&new_afsi, &afsi_obj); /* in-place update */
- afd->audio_format_id = old_afsi.audio_format_id;
+ afd->audio_format_id = d->afsi.audio_format_id;
load_chunk_table(&afd->afhi, chunk_table_obj.data);
- ret = make_status_items(afd, &old_afsi, path, score, file_hash);
- if (ret < 0)
- goto out;
- aced.aft_row = aft_row;
- aced.old_afsi = &old_afsi;
+ aced.aft_row = current_aft_row;
+ aced.old_afsi = &d->afsi;
+ /*
+ * No need to update the status items as the AFSI_CHANGE event will
+ * recreate them.
+ */
afs_event(AFSI_CHANGE, NULL, &aced);
ret = save_afd(afd);
-err:
+out:
free(afd->afhi.chunk_table);
osl_close_disk_object(&chunk_table_obj);
- if (ret < 0)
- PARA_ERROR_LOG("%s: %s\n", path, para_strerror(-ret));
+ if (ret < 0) {
+ PARA_ERROR_LOG("%s: %s\n", d->path, para_strerror(-ret));
+ ret = score_delete(current_aft_row);
+ if (ret >= 0)
+ goto again;
+ }
return ret;
}
{
int i, ret;
struct private_add_data pad = {.cc = cc, .flags = 0};
- struct stat statbuf;
for (i = 1; i < cc->argc; i++) {
const char *arg = cc->argv[i];
return ret;
continue;
}
- ret = stat(path, &statbuf);
- if (ret < 0) {
- ret = send_sb_va(&cc->scc, SBD_ERROR_LOG,
- "failed to stat %s (%s)\n", path,
- strerror(errno));
- free(path);
- if (ret < 0)
- return ret;
- continue;
- }
- if (S_ISDIR(statbuf.st_mode))
+ if (ret == 1) /* directory */
ret = for_each_file_in_dir(path, add_one_audio_file,
&pad);
- else
+ else /* regular file */
ret = add_one_audio_file(path, &pad);
if (ret < 0) {
send_sb_va(&cc->scc, SBD_OUTPUT, "%s: %s\n", path,
struct touch_action_data tad = {.cto = query->data,
.pb = {
.max_size = shm_get_shmmax(),
- .private_data = &fd,
+ .private_data = &(struct afs_max_size_handler_data) {
+ .fd = fd,
+ .band = SBD_OUTPUT
+ },
.max_size_handler = afs_max_size_handler
}
};
struct com_rm_action_data crd = {.flags = *(uint32_t *)query->data,
.pb = {
.max_size = shm_get_shmmax(),
- .private_data = &fd,
+ .private_data = &(struct afs_max_size_handler_data) {
+ .fd = fd,
+ .band = SBD_OUTPUT
+ },
.max_size_handler = afs_max_size_handler
}
};
.flags = *(unsigned *)query->data,
.pb = {
.max_size = shm_get_shmmax(),
- .private_data = &fd,
+ .private_data = &(struct afs_max_size_handler_data) {
+ .fd = fd,
+ .band = SBD_OUTPUT
+ },
.max_size_handler = afs_max_size_handler
}
};
if (ret < 0)
return ret;
return audio_file_loop(data, clear_attribute);
- }
- default:
+ } case AFSI_CHANGE: {
+ struct afsi_change_event_data *aced = data;
+ uint64_t old_last_played = status_item_ls_data.afsi.last_played;
+ if (aced->aft_row != current_aft_row)
+ return 0;
+ ret = get_afsi_of_row(aced->aft_row, &status_item_ls_data.afsi);
+ if (ret < 0)
+ return ret;
+ status_item_ls_data.afsi.last_played = old_last_played;
+ make_status_items();
return 1;
+ } case AFHI_CHANGE: {
+ if (data != current_aft_row)
+ return 0;
+ ret = get_afhi_of_row(data, &status_item_ls_data.afhi);
+ if (ret < 0)
+ return ret;
+ make_status_items();
+ return 1;
+ } default:
+ return 0;
}
}
projects / paraslash.git / commitdiff