* senders.
*/
-#include "server.h"
#include <sys/mman.h> /* mmap */
#include <sys/time.h> /* gettimeofday */
-#include "server.cmdline.h"
+#include <sys/types.h>
+#include <dirent.h>
+
+#include "para.h"
+#include "error.h"
+#include "string.h"
+#include "afh.h"
#include "afs.h"
+#include "server.h"
+#include "net.h"
+#include "server.cmdline.h"
#include "vss.h"
#include "send.h"
-#include "error.h"
-#include "string.h"
+#include "ipc.h"
#include "fd.h"
extern const char *status_item_list[];
static struct timeval autoplay_barrier;
extern struct misc_meta_data *mmd;
-extern struct audio_file_selector selectors[];
extern struct sender senders[];
-static int audio_file;
static char *map;
-#if 1
- void mp3_init(struct audio_format_handler *);
-#endif
-
-#ifdef HAVE_OGGVORBIS
- void ogg_init(struct audio_format_handler *);
-#endif
-#ifdef HAVE_FAAD
- void aac_afh_init(struct audio_format_handler *);
-#endif
-
-/**
- * the list of supported audio formats
- */
-static struct audio_format_handler afl[] = {
-#if 1
- {
- .name = "mp3",
- .init = mp3_init,
- },
-#endif
-#ifdef HAVE_OGGVORBIS
- {
- .name = "ogg",
- .init = ogg_init,
- },
-#endif
-#ifdef HAVE_FAAD
- {
- .name = "aac",
- .init = aac_afh_init,
- },
-#endif
- {
- .name = NULL,
- }
-};
-
-/** iterate over each supported audio format */
-#define FOR_EACH_AUDIO_FORMAT(i) for (i = 0; afl[i].name; i++)
-
-
-
/**
* check if vss status flag \a P (playing) is set
*
&& !(mmd->new_vss_status_flags & VSS_PLAYING);
}
-/**
- * get the name of the given audio format
- * \param i the audio format number
- *
- * This returns a pointer to statically allocated memory so it
- * must not be freed by the caller.
- */
-const char *audio_format_name(int i)
-{
- return i >= 0? afl[i].name : "(none)";
-}
-
/**
* initialize the virtual streaming system
*
conf.announce_time_arg : 300,
autoplay_delay = conf.autoplay_delay_arg > 0?
conf.autoplay_delay_arg : 0;
-
- PARA_DEBUG_LOG("supported audio formats: %s\n",
- SUPPORTED_AUDIO_FORMATS);
- for (i = 0; afl[i].name; i++) {
- PARA_NOTICE_LOG("initializing %s handler\n",
- afl[i].name);
- afl[i].init(&afl[i]);
- }
ms2tv(announce_time, &announce_tv);
PARA_INFO_LOG("announce timeval: %lums\n", tv2ms(&announce_tv));
for (i = 0; senders[i].name; i++) {
}
}
-static int get_file_info(int i)
-{
- return afl[i].get_file_info(map, mmd->size, &mmd->afi);
-}
-
-/**
- * guess the audio format judging from filename
- *
- * \param name the filename
- *
- * \return This function returns -1 if it has no idea what kind of audio
- * file this might be. Otherwise the (non-negative) number of the audio format
- * is returned.
- */
-int guess_audio_format(const char *name)
-{
- int i,j, len = strlen(name);
-
- FOR_EACH_AUDIO_FORMAT(i) {
- for (j = 0; afl[i].suffixes[j]; j++) {
- const char *p = afl[i].suffixes[j];
- int plen = strlen(p);
- if (len < plen + 1)
- continue;
- if (name[len - plen - 1] != '.')
- continue;
- if (strcasecmp(name + len - plen, p))
- continue;
-// PARA_DEBUG_LOG("might be %s\n", audio_format_name(i));
- return i;
- }
- }
- return -1;
-}
-
-static int get_audio_format(int omit)
-{
- int i;
-
- FOR_EACH_AUDIO_FORMAT(i) {
- if (i == omit)
- continue;
- if (get_file_info(i) > 0)
- return i;
- }
- return -E_AUDIO_FORMAT;
-}
-
-/*
- * upddate shared mem
- */
-static int update_mmd(void)
-{
- int i;
-
- i = guess_audio_format(mmd->filename);
- if (i < 0 || get_file_info(i) < 0)
- i = get_audio_format(i);
- if (i < 0)
- return i;
- mmd->audio_format = i;
- mmd->chunks_sent = 0;
- mmd->current_chunk = 0;
- mmd->offset = 0;
- mmd->events++;
- return 1;
-}
-
-static void vss_get_audio_file(void)
-{
- char **sl = selectors[mmd->selector_num].get_audio_file_list(10);
- int i;
- struct stat file_status;
-
- if (!sl)
- goto err_out;
- for (i = 0; sl[i]; i++) {
- struct timeval now;
- PARA_INFO_LOG("trying %s\n", sl[i]);
- if (strlen(sl[i]) >= _POSIX_PATH_MAX)
- continue;
- audio_file = open(sl[i], O_RDONLY);
- if (audio_file < 0)
- continue;
- if (fstat(audio_file, &file_status) == -1 ||
- !file_status.st_size) {
- close(audio_file);
- continue;
- }
- mmd->size = file_status.st_size;
- mmd->mtime = file_status.st_mtime;
- map = para_mmap(mmd->size, PROT_READ, MAP_PRIVATE,
- audio_file, 0);
- strcpy(mmd->filename, sl[i]);
- mmd->afi.header_len = 0; /* default: no header */
- if (update_mmd() < 0) { /* invalid file */
- close(audio_file);
- munmap(map, mmd->size);
- map = NULL;
- continue;
- }
- mmd->num_played++;
- if (selectors[mmd->selector_num].update_audio_file)
- selectors[mmd->selector_num].update_audio_file(sl[i]);
- PARA_NOTICE_LOG("next audio file: %s\n", mmd->filename);
- mmd->new_vss_status_flags &= (~VSS_NEXT);
- gettimeofday(&now, NULL);
- tv_add(&now, &announce_tv, &data_send_barrier);
- goto free;
- }
-err_out:
- PARA_ERROR_LOG("%s", "no valid files found\n");
- mmd->new_vss_status_flags = VSS_NEXT;
-free:
- if (sl) {
- for (i = 0; sl[i]; i++)
- free(sl[i]);
- free(sl);
- }
-}
-
static int chk_barrier(const char *bname, const struct timeval *now,
const struct timeval *barrier, struct timeval *diff,
int print_log)
{
struct timeval tmp;
- tv_scale(mmd->chunks_sent, &mmd->afi.chunk_tv, &tmp);
+ tv_scale(mmd->chunks_sent, &mmd->afd.afhi.chunk_tv, &tmp);
tv_add(&tmp, &mmd->stream_start, due);
}
static struct timeval the_timeout;
struct timeval now, next_chunk;
- if (vss_next() && mmd->audio_format >= 0) {
+ if (vss_next() && map) {
/* only sleep a bit, nec*/
the_timeout.tv_sec = 0;
the_timeout.tv_usec = 100;
if (chk_barrier("data send", &now, &data_send_barrier,
&the_timeout, 1) < 0)
return &the_timeout;
- if (mmd->audio_format < 0 || !vss_playing() || !map)
+ if (!vss_playing() || !map)
return NULL;
vss_next_chunk_time(&next_chunk);
- if (chk_barrier(afl[mmd->audio_format].name, &now, &next_chunk,
- &the_timeout, 0) < 0)
+ if (chk_barrier(audio_format_name(mmd->afd.afsi.audio_format_id),
+ &now, &next_chunk, &the_timeout, 0) < 0)
return &the_timeout;
/* chunk is due or bof */
the_timeout.tv_sec = 0;
int i;
char *tmp;
+ PARA_NOTICE_LOG("EOF\n");
if (!map) {
for (i = 0; senders[i].name; i++)
senders[i].shutdown_clients();
return;
}
gettimeofday(&now, NULL);
- tv_add(&mmd->afi.eof_tv, &now, &eof_barrier);
+ tv_add(&mmd->afd.afhi.eof_tv, &now, &eof_barrier);
munmap(map, mmd->size);
map = NULL;
- close(audio_file);
- mmd->audio_format = -1;
mmd->chunks_sent = 0;
mmd->offset = 0;
- mmd->afi.seconds_total = 0;
- free(mmd->afi.chunk_table);
- mmd->afi.chunk_table = NULL;
+ mmd->afd.afhi.seconds_total = 0;
+ free(mmd->afd.afhi.chunk_table);
+ mmd->afd.afhi.chunk_table = NULL;
tmp = make_message("%s:\n%s:\n%s:\n", status_item_list[SI_AUDIO_INFO1],
status_item_list[SI_AUDIO_INFO2], status_item_list[SI_AUDIO_INFO3]);
- strcpy(mmd->afi.info_string, tmp);
- free(tmp);
- tmp = make_message("%s:\n%s:\n%s:\n", status_item_list[SI_DBINFO1],
- status_item_list[SI_DBINFO2], status_item_list[SI_DBINFO3]);
- strcpy(mmd->selector_info, tmp);
+ strcpy(mmd->afd.afhi.info_string, tmp);
free(tmp);
mmd->filename[0] = '\0';
mmd->size = 0;
}
/**
- * get the header and of the current audio file
+ * Get the header of the current audio file.
*
* \param header_len the length of the header is stored here
*
*/
char *vss_get_header(size_t *header_len)
{
- if (mmd->audio_format < 0 || !map || !mmd->afi.header_len)
+ if (!map || !mmd->afd.afhi.header_len)
return NULL;
- *header_len = mmd->afi.header_len;
- return map + mmd->afi.header_offset;
+ *header_len = mmd->afd.afhi.header_len;
+ return map + mmd->afd.afhi.header_offset;
}
/**
*/
struct timeval *vss_chunk_time(void)
{
- if (mmd->audio_format < 0)
+ if (!map)
return NULL;
- return &mmd->afi.chunk_tv;
+ return &mmd->afd.afhi.chunk_tv;
}
+enum afs_socket_status {
+ AFS_SOCKET_READY,
+ AFS_SOCKET_CHECK_FOR_WRITE,
+ AFS_SOCKET_AFD_PENDING
+};
+
+static enum afs_socket_status afsss;
+
/**
- * compute the timeout for para_server's main select-loop
+ * Compute the timeout for para_server's main select-loop.
*
* This function gets called from para_server to determine the timeout value
* for its main select loop.
* and acted upon by calling appropriate functions from the lower layers.
* Possible actions include
*
- * - request a new file list from the current audio file selector
- * - shutdown of all senders (stop/pause command)
- * - reposition the stream (ff/jmp command)
+ * - request a new audio file from afs,
+ * - shutdown of all senders (stop/pause command),
+ * - reposition the stream (ff/jmp command).
*
* \return A pointer to a struct timeval containing the timeout for the next
* chunk of data to be sent, or NULL if we're not sending right now.
*/
-struct timeval *vss_preselect(void)
+struct timeval *vss_preselect(fd_set *rfds, fd_set *wfds, int *max_fileno)
{
- struct audio_format_handler *af = NULL;
- int i, format;
- struct timeval *ret;
-again:
- format = mmd->audio_format;
- if (format >= 0)
- af = afl + format;
- else
+ int i;
+ struct timeval *tv;
+
+ para_fd_set(afs_socket, rfds, max_fileno);
+ if (!map)
for (i = 0; senders[i].name; i++)
senders[i].shutdown_clients();
- if (vss_next() && af) {
- vss_eof();
- return vss_compute_timeout();
+ else {
+ if (vss_next()) {
+ vss_eof();
+ return vss_compute_timeout();
+ }
}
if (vss_paused() || vss_repos()) {
for (i = 0; senders[i].name; i++)
senders[i].shutdown_clients();
- if (af) {
+ if (map) {
struct timeval now;
gettimeofday(&now, NULL);
if (!vss_paused() || mmd->chunks_sent)
- tv_add(&mmd->afi.eof_tv, &now, &eof_barrier);
+ tv_add(&mmd->afd.afhi.eof_tv, &now, &eof_barrier);
if (vss_repos())
tv_add(&now, &announce_tv, &data_send_barrier);
if (mmd->new_vss_status_flags & VSS_NOMORE)
mmd->new_vss_status_flags &= ~(VSS_REPOS);
mmd->current_chunk = mmd->repos_request;
}
- ret = vss_compute_timeout();
- if (!ret && !map && vss_playing() &&
+ tv = vss_compute_timeout();
+ if (tv)
+ return tv;
+ if (!map && vss_playing() &&
!(mmd->new_vss_status_flags & VSS_NOMORE)) {
PARA_DEBUG_LOG("%s", "ready and playing, but no audio file\n");
- vss_get_audio_file();
- goto again;
+ if (afsss == AFS_SOCKET_READY) {
+ para_fd_set(afs_socket, wfds, max_fileno);
+ afsss = AFS_SOCKET_CHECK_FOR_WRITE;
+ }
}
- return ret;
+ return tv;
+}
+
+static int recv_afs_msg(int *fd, uint32_t *code, uint32_t *data)
+{
+ char control[255], buf[8];
+ struct msghdr msg = {.msg_iov = NULL};
+ struct cmsghdr *cmsg;
+ struct iovec iov;
+ int ret = 0;
+
+ iov.iov_base = buf;
+ iov.iov_len = sizeof(buf);
+ msg.msg_iov = &iov;
+ msg.msg_iovlen = 1;
+ msg.msg_control = control;
+ msg.msg_controllen = sizeof(control);
+ memset(buf, 0, sizeof(buf));
+ ret = recvmsg(afs_socket, &msg, 0);
+ if (ret < 0)
+ return -ERRNO_TO_PARA_ERROR(errno);
+ if (iov.iov_len != sizeof(buf))
+ return -E_SHORT_AFS_READ;
+ *code = *(uint32_t*)buf;
+ *data = *(uint32_t*)(buf + 4);
+ cmsg = CMSG_FIRSTHDR(&msg);
+ for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg)) {
+ if (cmsg->cmsg_level != SOL_SOCKET
+ || cmsg->cmsg_type != SCM_RIGHTS)
+ continue;
+ if ((cmsg->cmsg_len - CMSG_LEN(0)) / sizeof(int) != 1)
+ continue;
+ *fd = *(int *)CMSG_DATA(cmsg);
+ }
+ return 1;
+}
+
+static void recv_afs_result(void)
+{
+ int ret, passed_fd = -1, shmid;
+ uint32_t afs_code = 0, afs_data = 0;
+ struct stat statbuf;
+ struct timeval now;
+
+ PARA_NOTICE_LOG("recv\n");
+ ret = recv_afs_msg(&passed_fd, &afs_code, &afs_data);
+ if (ret < 0)
+ goto err;
+ PARA_NOTICE_LOG("got the fd: %d, code: %u, shmid: %u\n",
+ passed_fd, afs_code, afs_data);
+ ret = -E_BAD_AFS_CODE;
+ if (afs_code != NEXT_AUDIO_FILE)
+ goto err;
+ afsss = AFS_SOCKET_READY;
+ shmid = afs_data;
+ ret = load_afd(shmid, &mmd->afd);
+ if (ret < 0)
+ goto err;
+ shm_destroy(shmid);
+ PARA_NOTICE_LOG("next audio file: %s (%lu chunks)\n", mmd->afd.path,
+ mmd->afd.afhi.chunks_total);
+ ret = fstat(passed_fd, &statbuf);
+ if (ret < 0) {
+ PARA_ERROR_LOG("fstat error:\n");
+ ret = -ERRNO_TO_PARA_ERROR(errno);
+ goto err;
+ }
+ mmd->size = statbuf.st_size;
+ mmd->mtime = statbuf.st_mtime;
+ map = para_mmap(mmd->size, PROT_READ, MAP_PRIVATE,
+ passed_fd, 0);
+ close(passed_fd);
+ strcpy(mmd->filename, mmd->afd.path); /* FIXME: check length */
+ mmd->afd.afhi.header_len = 0; /* default: no header */
+ mmd->chunks_sent = 0;
+ mmd->current_chunk = 0;
+ mmd->offset = 0;
+ mmd->events++;
+ mmd->num_played++;
+ mmd->new_vss_status_flags &= (~VSS_NEXT);
+ gettimeofday(&now, NULL);
+ tv_add(&now, &announce_tv, &data_send_barrier);
+ return;
+err:
+ if (passed_fd >= 0)
+ close(passed_fd);
+ PARA_ERROR_LOG("%s\n", PARA_STRERROR(-ret));
+}
+
+void vss_post_select(fd_set *rfds, fd_set *wfds)
+{
+ int ret;
+
+ if (FD_ISSET(afs_socket, rfds))
+ recv_afs_result();
+ if (afsss != AFS_SOCKET_CHECK_FOR_WRITE || !FD_ISSET(afs_socket, wfds))
+ return;
+ PARA_NOTICE_LOG("requesting new socket\n");
+ ret = send_buffer(afs_socket, "new");
+ afsss = AFS_SOCKET_AFD_PENDING;
}
static void get_chunk(long unsigned chunk_num, char **buf, size_t *len)
{
- size_t pos = mmd->afi.chunk_table[chunk_num];
+ size_t pos = mmd->afd.afhi.chunk_table[chunk_num];
*buf = map + pos;
- *len = mmd->afi.chunk_table[chunk_num + 1] - pos;
+ *len = mmd->afd.afhi.chunk_table[chunk_num + 1] - pos;
+
+ if (chunk_num + 5 > mmd->afd.afhi.chunks_total)
+ PARA_NOTICE_LOG("chunk %lu/%lu\n, len: %zu\n", chunk_num,
+ mmd->afd.afhi.chunks_total, *len);
}
/**
*/
int vss_get_chunk(long unsigned chunk_num, char **buf, size_t *len)
{
- if (mmd->audio_format < 0 || !map || !vss_playing())
+ if (!map || !vss_playing())
return -E_CHUNK;
- if (chunk_num >= mmd->afi.chunks_total)
+ if (chunk_num >= mmd->afd.afhi.chunks_total)
return -E_CHUNK;
get_chunk(chunk_num, buf, len);
return 1;
void vss_send_chunk(void)
{
int i;
- struct audio_format_handler *af;
struct timeval now, due;
+ char *buf;
+ size_t len;
- if (mmd->audio_format < 0 || !map || !vss_playing())
+ if (!map || !vss_playing())
return;
- af = &afl[mmd->audio_format];
gettimeofday(&now, NULL);
vss_next_chunk_time(&due);
if (tv_diff(&due, &now, NULL) > 0)
&due, 1) < 0)
return;
mmd->new_vss_status_flags &= ~VSS_REPOS;
- if (mmd->current_chunk >= mmd->afi.chunks_total) { /* eof */
+ if (mmd->current_chunk >= mmd->afd.afhi.chunks_total) { /* eof */
mmd->new_vss_status_flags |= VSS_NEXT;
return vss_eof();
}
if (!mmd->chunks_sent) {
struct timeval tmp;
gettimeofday(&mmd->stream_start, NULL);
- tv_scale(mmd->current_chunk, &mmd->afi.chunk_tv, &tmp);
+ tv_scale(mmd->current_chunk, &mmd->afd.afhi.chunk_tv, &tmp);
mmd->offset = tv2ms(&tmp);
mmd->events++;
}
- for (i = 0; senders[i].name; i++) {
- char *buf;
- size_t len;
- get_chunk(mmd->current_chunk, &buf, &len);
+ get_chunk(mmd->current_chunk, &buf, &len);
+ for (i = 0; senders[i].name; i++)
senders[i].send(mmd->current_chunk, mmd->chunks_sent, buf, len);
- }
mmd->new_vss_status_flags |= VSS_PLAYING;
mmd->chunks_sent++;
mmd->current_chunk++;
projects / paraslash.git / blobdiff