/*
- * Copyright (C) 2007-2009 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2007-2011 Andre Noll <maan@systemlinux.org>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
#include <regex.h>
#include <dirent.h> /* readdir() */
-#include <openssl/rc4.h>
#include <sys/mman.h>
#include <fnmatch.h>
#include <sys/shm.h>
#include "afh.h"
#include "afs.h"
#include "net.h"
-#include "vss.h"
#include "fd.h"
#include "ipc.h"
#include "portable_io.h"
AFHI_BITRATE_OFFSET = 4,
/** Position of the frequency. */
AFHI_FREQUENCY_OFFSET = 8,
- /** Location of the audio file header. */
- AFHI_HEADER_OFFSET_OFFSET = 12,
+ /** Was: Location of the audio file header. */
+ AFHI_UNUSED1_OFFSET = 12,
/* Length of the audio file header. Zero means: No header. */
AFHI_HEADER_LEN_OFFSET = 16,
/** The total number of chunks (4 bytes). */
CHUNKS_TOTAL_OFFSET = 20,
/** The length of the audio file header (4 bytes). */
HEADER_LEN_OFFSET = 24,
- /** The start of the audio file header (4 bytes). */
- HEADER_OFFSET_OFFSET = 28,
+ /** Was: The start of the audio file header (4 bytes). */
+ AFHI_UNUSED2_OFFSET = 28,
/** The seconds part of the chunk time (4 bytes). */
CHUNK_TV_TV_SEC_OFFSET = 32,
/** The microseconds part of the chunk time (4 bytes). */
write_u32(buf + AFHI_SECONDS_TOTAL_OFFSET, afhi->seconds_total);
write_u32(buf + AFHI_BITRATE_OFFSET, afhi->bitrate);
write_u32(buf + AFHI_FREQUENCY_OFFSET, afhi->frequency);
- write_u32(buf + AFHI_HEADER_OFFSET_OFFSET, afhi->header_offset);
+ write_u32(buf + AFHI_UNUSED1_OFFSET, 0);
write_u32(buf + AFHI_HEADER_LEN_OFFSET, afhi->header_len);
write_u8(buf + AFHI_CHANNELS_OFFSET, afhi->channels);
write_u32(buf + CHUNKS_TOTAL_OFFSET, afhi->chunks_total);
write_u32(buf + HEADER_LEN_OFFSET, afhi->header_len);
- write_u32(buf + HEADER_OFFSET_OFFSET, afhi->header_offset);
+ write_u32(buf + AFHI_UNUSED2_OFFSET, 0);
write_u32(buf + CHUNK_TV_TV_SEC_OFFSET, afhi->chunk_tv.tv_sec);
write_u32(buf + CHUNK_TV_TV_USEC_OFFSET, afhi->chunk_tv.tv_usec);
p = buf + AFHI_INFO_STRING_OFFSET;
afhi->seconds_total = read_u32(buf + AFHI_SECONDS_TOTAL_OFFSET);
afhi->bitrate = read_u32(buf + AFHI_BITRATE_OFFSET);
afhi->frequency = read_u32(buf + AFHI_FREQUENCY_OFFSET);
- afhi->header_offset = read_u32(buf + AFHI_HEADER_OFFSET_OFFSET);
afhi->header_len = read_u32(buf + AFHI_HEADER_LEN_OFFSET);
afhi->channels = read_u8(buf + AFHI_CHANNELS_OFFSET);
afhi->chunks_total = read_u32(buf + CHUNKS_TOTAL_OFFSET);
afhi->header_len = read_u32(buf + HEADER_LEN_OFFSET);
- afhi->header_offset = read_u32(buf + HEADER_OFFSET_OFFSET);
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_OFFSET);
afhi->techinfo = (char *)buf + AFHI_INFO_STRING_OFFSET;
return 4 * (afhi->chunks_total + 1);
}
-static void save_chunk_table(struct afh_info *afhi, char *buf)
+static uint32_t save_chunk_table(struct afh_info *afhi, char *buf)
{
int i;
-
- for (i = 0; i <= afhi->chunks_total; i++)
- write_u32(buf + 4 * i, afhi->chunk_table[i]);
+ uint32_t max = 0, old = 0;
+
+ for (i = 0; i <= afhi->chunks_total; i++) {
+ uint32_t val = afhi->chunk_table[i];
+ write_u32(buf + 4 * i, val);
+ /*
+ * If the first chunk is the header, do not consider it for the
+ * calculation of the largest chunk size.
+ */
+ if (i == 0 || (i == 1 && afhi->header_len > 0)) {
+ old = val;
+ continue;
+ }
+ max = PARA_MAX(max, val - old);
+ old = val;
+ }
+ return max;
}
static void load_chunk_table(struct afh_info *afhi, char *buf)
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);
+ afd->max_chunk_size = save_chunk_table(&afd->afhi, buf);
+ *(struct audio_file_data *)shm_afd = *afd;
shm_detach(shm_afd);
return shmid;
err:
return ret;
}
+/**
+ * Extract a afd stored in a shared memory area.
+ *
+ * Attach the shared memory area given by \a shmid, load the audio file data
+ * stored therein and detach the area afterwards. Called by vss, after
+ * receiving a positive response to the request for the next audio file.
+ +
+ * \param shmid The identifier of the shared memory area containing the afd.
+ * \param afd Result pointer.
+ *
+ * \return Standard.
+ */
int load_afd(int shmid, struct audio_file_data *afd)
{
void *shm_afd;
ret = get_audio_file_path_of_row(aft_row, &path);
if (ret < 0)
return ret;
+ PARA_NOTICE_LOG("%s\n", path);
ret = get_afsi_object_of_row(aft_row, &afsi_obj);
if (ret < 0)
return ret;
new_afsi.last_played = time(NULL);
save_afsi(&new_afsi, &afsi_obj); /* in-place update */
+ afd->audio_format_id = old_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)
err:
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));
return ret;
}
/*
* TODO: flags -h (sort by hash)
*/
-int com_ls(struct rc4_context *rc4c, int argc, char * const * const argv)
+int com_ls(struct stream_cipher_context *scc, int argc, char * const * const argv)
{
int i, ret;
unsigned flags = 0;
opts.mode = mode;
opts.num_patterns = argc - i;
ret = send_option_arg_callback_request(&query, opts.num_patterns,
- argv + i, com_ls_callback, rc4_send_result, rc4c);
+ argv + i, com_ls_callback, sc_send_result, scc);
return ret;
}
/** Used by com_add(). */
struct private_add_data {
- /** The socket file descriptor, including rc4 keys. */
- struct rc4_context *rc4c;
+ /** The socket file descriptor, including stream cipher keys. */
+ struct stream_cipher_context *scc;
/** The given add flags. */
uint32_t flags;
};
ret = 1;
if (pb && (pad->flags & ADD_FLAG_LAZY)) { /* lazy is really cheap */
if (pad->flags & ADD_FLAG_VERBOSE)
- send_ret = rc4_send_va_buffer(pad->rc4c,
+ send_ret = sc_send_va_buffer(pad->scc,
"lazy-ignore: %s\n", path);
goto out_free;
}
ret = 1;
if (pb && hs && hs == pb && !(pad->flags & ADD_FLAG_FORCE)) {
if (pad->flags & ADD_FLAG_VERBOSE)
- send_ret = rc4_send_va_buffer(pad->rc4c,
+ send_ret = sc_send_va_buffer(pad->scc,
"%s exists, not forcing update\n", path);
goto out_unmap;
}
munmap(map.data, map.size);
close(fd);
if (pad->flags & ADD_FLAG_VERBOSE) {
- send_ret = rc4_send_va_buffer(pad->rc4c, "adding %s\n", path);
+ send_ret = sc_send_va_buffer(pad->scc, "adding %s\n", path);
if (send_ret < 0)
goto out_free;
}
save_add_callback_buffer(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, rc4_send_result, pad->rc4c);
+ ret = send_callback_request(com_add_callback, &obj, sc_send_result, pad->scc);
goto out_free;
out_unmap:
munmap(map.data, map.size);
out_free:
if (ret < 0 && send_ret >= 0)
- send_ret = rc4_send_va_buffer(pad->rc4c,
+ send_ret = sc_send_va_buffer(pad->scc,
"failed to add %s (%s)\n", path, para_strerror(-ret));
free(obj.data);
if (afhi_ptr) {
return send_ret;
}
-int com_add(struct rc4_context *rc4c, int argc, char * const * const argv)
+int com_add(struct stream_cipher_context *scc, int argc, char * const * const argv)
{
int i, ret;
- struct private_add_data pad = {.rc4c = rc4c, .flags = 0};
+ struct private_add_data pad = {.scc = scc, .flags = 0};
struct stat statbuf;
for (i = 1; i < argc; i++) {
char *path;
ret = verify_path(argv[i], &path);
if (ret < 0) {
- ret = rc4_send_va_buffer(rc4c, "%s: %s\n", argv[i],
+ ret = sc_send_va_buffer(scc, "%s: %s\n", argv[i],
para_strerror(-ret));
if (ret < 0)
return ret;
}
ret = stat(path, &statbuf);
if (ret < 0) {
- ret = rc4_send_va_buffer(rc4c, "failed to stat %s (%s)\n", path,
+ ret = sc_send_va_buffer(scc, "failed to stat %s (%s)\n", path,
strerror(errno));
free(path);
if (ret < 0)
else
ret = add_one_audio_file(path, &pad);
if (ret < 0) {
- rc4_send_va_buffer(rc4c, "%s: %s\n", path, para_strerror(-ret));
+ sc_send_va_buffer(scc, "%s: %s\n", path, para_strerror(-ret));
free(path);
return ret;
}
free(tad.pb.buf);
}
-int com_touch(struct rc4_context *rc4c, int argc, char * const * const argv)
+int com_touch(struct stream_cipher_context *scc, int argc, char * const * const argv)
{
struct com_touch_options cto = {
.num_played = -1,
if (i >= argc)
return -E_AFT_SYNTAX;
ret = send_option_arg_callback_request(&query, argc - i,
- argv + i, com_touch_callback, rc4_send_result, rc4c);
+ argv + i, com_touch_callback, sc_send_result, scc);
if (ret < 0)
- rc4_send_va_buffer(rc4c, "%s\n", para_strerror(-ret));
+ sc_send_va_buffer(scc, "%s\n", para_strerror(-ret));
return ret;
}
}
/* TODO options: -r (recursive) */
-int com_rm(struct rc4_context *rc4c, int argc, char * const * const argv)
+int com_rm(struct stream_cipher_context *scc, int argc, char * const * const argv)
{
uint32_t flags = 0;
struct osl_object query = {.data = &flags, .size = sizeof(flags)};
if (i >= argc)
return -E_AFT_SYNTAX;
ret = send_option_arg_callback_request(&query, argc - i, argv + i,
- com_rm_callback, rc4_send_result, rc4c);
+ com_rm_callback, sc_send_result, scc);
if (ret < 0)
- rc4_send_va_buffer(rc4c, "%s\n", para_strerror(-ret));
+ sc_send_va_buffer(scc, "%s\n", para_strerror(-ret));
return ret;
}
free(cad.pb.buf);
}
-int com_cpsi(struct rc4_context *rc4c, int argc, char * const * const argv)
+int com_cpsi(struct stream_cipher_context *scc, int argc, char * const * const argv)
{
unsigned flags = 0;
int i, ret;
if (!(flags & ~CPSI_FLAG_VERBOSE)) /* no copy flags given */
flags = ~(unsigned)CPSI_FLAG_VERBOSE | flags;
ret = send_option_arg_callback_request(&options, argc - i, argv + i,
- com_cpsi_callback, rc4_send_result, rc4c);
+ com_cpsi_callback, sc_send_result, scc);
if (ret < 0)
- rc4_send_va_buffer(rc4c, "%s\n", para_strerror(-ret));
+ sc_send_va_buffer(scc, "%s\n", para_strerror(-ret));
return ret;
}
pass_buffer_as_shm(buf, strlen(buf), &fd);
}
-int send_afs_status(struct rc4_context *rc4c, int parser_friendly)
+/**
+ * Get the current afs status items from the afs process and send it.
+ *
+ * \param scc The stream cipher context for data encryption.
+ * \param parser_friendly Whether parser-friendly output format should be used.
+ *
+ * As the contents of the afs status items change in time and the command
+ * handler only has a COW version created at fork time, it can not send
+ * up-to-date afs status items directly. Therefore the usual callback mechanism
+ * is used to pass the status items from the afs process to the command handler
+ * via a shared memory area and a pipe.
+ */
+int send_afs_status(struct stream_cipher_context *scc, int parser_friendly)
{
struct osl_object query = {.data = &parser_friendly,
.size = sizeof(parser_friendly)};
- return send_callback_request(afs_stat_callback, &query, rc4_send_result, rc4c);
+ return send_callback_request(afs_stat_callback, &query, sc_send_result, scc);
}
/* TODO: optionally fix problems by removing offending rows */
}
}
+/**
+ * Initialize the audio file table.
+ *
+ * \param t Pointer to the structure to be initialized.
+ */
void aft_init(struct afs_table *t)
{
t->open = aft_open;
projects / paraslash.git / blobdiff