aboutsummaryrefslogtreecommitdiffstats
path: root/src/input
diff options
context:
space:
mode:
Diffstat (limited to 'src/input')
-rw-r--r--src/input/archive_input_plugin.c9
-rw-r--r--src/input/archive_input_plugin.h2
-rw-r--r--src/input/cdio_paranoia_input_plugin.c392
-rw-r--r--src/input/cdio_paranoia_input_plugin.h28
-rw-r--r--src/input/curl_input_plugin.c919
-rw-r--r--src/input/curl_input_plugin.h10
-rw-r--r--src/input/despotify_input_plugin.c230
-rw-r--r--src/input/despotify_input_plugin.h25
-rw-r--r--src/input/ffmpeg_input_plugin.c57
-rw-r--r--src/input/ffmpeg_input_plugin.h2
-rw-r--r--src/input/file_input_plugin.c18
-rw-r--r--src/input/file_input_plugin.h2
-rw-r--r--src/input/mms_input_plugin.c10
-rw-r--r--src/input/mms_input_plugin.h2
-rw-r--r--src/input/rewind_input_plugin.c38
-rw-r--r--src/input/rewind_input_plugin.h2
-rw-r--r--src/input/soup_input_plugin.c460
-rw-r--r--src/input/soup_input_plugin.h25
18 files changed, 1926 insertions, 305 deletions
diff --git a/src/input/archive_input_plugin.c b/src/input/archive_input_plugin.c
index 97e4836ff..4a038b9e2 100644
--- a/src/input/archive_input_plugin.c
+++ b/src/input/archive_input_plugin.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -34,7 +34,9 @@
* plugin and gzip fetches file from disk
*/
static struct input_stream *
-input_archive_open(const char *pathname, GError **error_r)
+input_archive_open(const char *pathname,
+ GMutex *mutex, GCond *cond,
+ GError **error_r)
{
const struct archive_plugin *arplug;
struct archive_file *file;
@@ -65,7 +67,8 @@ input_archive_open(const char *pathname, GError **error_r)
return NULL;
//setup fileops
- is = archive_file_open_stream(file, filename, error_r);
+ is = archive_file_open_stream(file, filename, mutex, cond,
+ error_r);
archive_file_close(file);
g_free(pname);
diff --git a/src/input/archive_input_plugin.h b/src/input/archive_input_plugin.h
index 20568cfbe..51095f37f 100644
--- a/src/input/archive_input_plugin.h
+++ b/src/input/archive_input_plugin.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
diff --git a/src/input/cdio_paranoia_input_plugin.c b/src/input/cdio_paranoia_input_plugin.c
new file mode 100644
index 000000000..1a1c8d2c5
--- /dev/null
+++ b/src/input/cdio_paranoia_input_plugin.c
@@ -0,0 +1,392 @@
+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+/**
+ * CD-Audio handling (requires libcdio_paranoia)
+ */
+
+#include "config.h"
+#include "input/cdio_paranoia_input_plugin.h"
+#include "input_internal.h"
+#include "input_plugin.h"
+#include "refcount.h"
+#include "pcm_buffer.h"
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stddef.h>
+#include <string.h>
+#include <stdlib.h>
+#include <glib.h>
+#include <assert.h>
+
+#include <cdio/paranoia.h>
+#include <cdio/cd_types.h>
+
+struct input_cdio_paranoia {
+ struct input_stream base;
+
+ cdrom_drive_t *drv;
+ CdIo_t *cdio;
+ cdrom_paranoia_t *para;
+
+ int endian;
+
+ lsn_t lsn_from, lsn_to;
+ int lsn_relofs;
+
+ int trackno;
+
+ char buffer[CDIO_CD_FRAMESIZE_RAW];
+ int buffer_lsn;
+
+ struct pcm_buffer conv_buffer;
+};
+
+static inline GQuark
+cdio_quark(void)
+{
+ return g_quark_from_static_string("cdio");
+}
+
+static void
+input_cdio_close(struct input_stream *is)
+{
+ struct input_cdio_paranoia *i = (struct input_cdio_paranoia *)is;
+
+ pcm_buffer_deinit(&i->conv_buffer);
+
+ if (i->para)
+ cdio_paranoia_free(i->para);
+ if (i->drv)
+ cdio_cddap_close_no_free_cdio( i->drv);
+ if (i->cdio)
+ cdio_destroy( i->cdio );
+
+ input_stream_deinit(&i->base);
+ g_free(i);
+}
+
+struct cdio_uri {
+ char device[64];
+ int track;
+};
+
+static bool
+parse_cdio_uri(struct cdio_uri *dest, const char *src, GError **error_r)
+{
+ if (!g_str_has_prefix(src, "cdda://"))
+ return false;
+
+ src += 7;
+
+ if (*src == 0) {
+ /* play the whole CD in the default drive */
+ dest->device[0] = 0;
+ dest->track = -1;
+ return true;
+ }
+
+ const char *slash = strrchr(src, '/');
+ if (slash == NULL) {
+ /* play the whole CD in the specified drive */
+ g_strlcpy(dest->device, src, sizeof(dest->device));
+ dest->track = -1;
+ return true;
+ }
+
+ size_t device_length = slash - src;
+ if (device_length >= sizeof(dest->device))
+ device_length = sizeof(dest->device) - 1;
+
+ memcpy(dest->device, src, device_length);
+ dest->device[device_length] = 0;
+
+ const char *track = slash + 1;
+
+ char *endptr;
+ dest->track = strtoul(track, &endptr, 10);
+ if (*endptr != 0) {
+ g_set_error(error_r, cdio_quark(), 0,
+ "Malformed track number");
+ return false;
+ }
+
+ if (endptr == track)
+ /* play the whole CD */
+ dest->track = -1;
+
+ return true;
+}
+
+static char *
+cdio_detect_device(void)
+{
+ char **devices = cdio_get_devices_with_cap(NULL, CDIO_FS_AUDIO, false);
+ if (devices == NULL)
+ return NULL;
+
+ char *device = g_strdup(devices[0]);
+ cdio_free_device_list(devices);
+
+ return device;
+}
+
+static struct input_stream *
+input_cdio_open(const char *uri,
+ GMutex *mutex, GCond *cond,
+ GError **error_r)
+{
+ struct input_cdio_paranoia *i;
+
+ struct cdio_uri parsed_uri;
+ if (!parse_cdio_uri(&parsed_uri, uri, error_r))
+ return NULL;
+
+ i = g_new(struct input_cdio_paranoia, 1);
+ input_stream_init(&i->base, &input_plugin_cdio_paranoia, uri,
+ mutex, cond);
+
+ /* initialize everything (should be already) */
+ i->drv = NULL;
+ i->cdio = NULL;
+ i->para = NULL;
+ i->trackno = parsed_uri.track;
+ pcm_buffer_init(&i->conv_buffer);
+
+ /* get list of CD's supporting CD-DA */
+ char *device = parsed_uri.device[0] != 0
+ ? g_strdup(parsed_uri.device)
+ : cdio_detect_device();
+ if (device == NULL) {
+ g_set_error(error_r, cdio_quark(), 0,
+ "Unable find or access a CD-ROM drive with an audio CD in it.");
+ input_cdio_close(&i->base);
+ return NULL;
+ }
+
+ /* Found such a CD-ROM with a CD-DA loaded. Use the first drive in the list. */
+ i->cdio = cdio_open(device, DRIVER_UNKNOWN);
+ g_free(device);
+
+ i->drv = cdio_cddap_identify_cdio(i->cdio, 1, NULL);
+
+ if ( !i->drv ) {
+ g_set_error(error_r, cdio_quark(), 0,
+ "Unable to identify audio CD disc.");
+ input_cdio_close(&i->base);
+ return NULL;
+ }
+
+ cdda_verbose_set(i->drv, CDDA_MESSAGE_FORGETIT, CDDA_MESSAGE_FORGETIT);
+
+ if ( 0 != cdio_cddap_open(i->drv) ) {
+ g_set_error(error_r, cdio_quark(), 0, "Unable to open disc.");
+ input_cdio_close(&i->base);
+ return NULL;
+ }
+
+ i->endian = data_bigendianp(i->drv);
+ switch (i->endian) {
+ case -1:
+ g_debug("cdda: drive returns unknown audio data, assuming Little Endian");
+ i->endian = 0;
+ break;
+ case 0:
+ g_debug("cdda: drive returns audio data Little Endian.");
+ break;
+ case 1:
+ g_debug("cdda: drive returns audio data Big Endian.");
+ break;
+ default:
+ g_set_error(error_r, cdio_quark(), 0,
+ "Drive returns unknown data type %d", i->endian);
+ input_cdio_close(&i->base);
+ return NULL;
+ }
+
+ i->lsn_relofs = 0;
+
+ if (i->trackno >= 0) {
+ i->lsn_from = cdio_get_track_lsn(i->cdio, i->trackno);
+ i->lsn_to = cdio_get_track_last_lsn(i->cdio, i->trackno);
+ } else {
+ i->lsn_from = 0;
+ i->lsn_to = cdio_get_disc_last_lsn(i->cdio);
+ }
+
+ i->para = cdio_paranoia_init(i->drv);
+
+ /* Set reading mode for full paranoia, but allow skipping sectors. */
+ paranoia_modeset(i->para, PARANOIA_MODE_FULL^PARANOIA_MODE_NEVERSKIP);
+
+ /* seek to beginning of the track */
+ cdio_paranoia_seek(i->para, i->lsn_from, SEEK_SET);
+
+ i->base.ready = true;
+ i->base.seekable = true;
+ i->base.size = (i->lsn_to - i->lsn_from + 1) * CDIO_CD_FRAMESIZE_RAW;
+
+ /* hack to make MPD select the "pcm" decoder plugin */
+ i->base.mime = g_strdup("audio/x-mpd-cdda-pcm");
+
+ return &i->base;
+}
+
+static bool
+input_cdio_seek(struct input_stream *is,
+ goffset offset, int whence, GError **error_r)
+{
+ struct input_cdio_paranoia *cis = (struct input_cdio_paranoia *)is;
+
+ /* calculate absolute offset */
+ switch (whence) {
+ case SEEK_SET:
+ break;
+ case SEEK_CUR:
+ offset += cis->base.offset;
+ break;
+ case SEEK_END:
+ offset += cis->base.size;
+ break;
+ }
+
+ if (offset < 0 || offset > cis->base.size) {
+ g_set_error(error_r, cdio_quark(), 0,
+ "Invalid offset to seek %ld (%ld)",
+ (long int)offset, (long int)cis->base.size);
+ return false;
+ }
+
+ /* simple case */
+ if (offset == cis->base.offset)
+ return true;
+
+ /* calculate current LSN */
+ cis->lsn_relofs = offset / CDIO_CD_FRAMESIZE_RAW;
+ cis->base.offset = offset;
+
+ cdio_paranoia_seek(cis->para, cis->lsn_from + cis->lsn_relofs, SEEK_SET);
+
+ return true;
+}
+
+static inline size_t
+pcm16_to_wave(uint16_t *dst16, const uint16_t *src16, size_t length)
+{
+ size_t cnt = length >> 1;
+ while (cnt > 0) {
+ *dst16++ = GUINT16_TO_LE(*src16++);
+ cnt--;
+ }
+ return length;
+}
+
+static size_t
+input_cdio_read(struct input_stream *is, void *ptr, size_t length,
+ GError **error_r)
+{
+ struct input_cdio_paranoia *cis = (struct input_cdio_paranoia *)is;
+ size_t nbytes = 0;
+ int diff;
+ size_t len, maxwrite;
+ int16_t *rbuf;
+ char *s_err, *s_mess;
+ char *wptr = (char *) ptr;
+
+ while (length > 0) {
+
+
+ /* end of track ? */
+ if (cis->lsn_from + cis->lsn_relofs > cis->lsn_to)
+ break;
+
+ //current sector was changed ?
+ if (cis->lsn_relofs != cis->buffer_lsn) {
+ rbuf = cdio_paranoia_read(cis->para, NULL);
+
+ s_err = cdda_errors(cis->drv);
+ if (s_err) {
+ g_warning("paranoia_read: %s", s_err );
+ free(s_err);
+ }
+ s_mess = cdda_messages(cis->drv);
+ if (s_mess) {
+ free(s_mess);
+ }
+ if (!rbuf) {
+ g_set_error(error_r, cdio_quark(), 0,
+ "paranoia read error. Stopping.");
+ return 0;
+ }
+ //do the swapping if nessesary
+ if (cis->endian != 0) {
+ uint16_t *conv_buffer = pcm_buffer_get(&cis->conv_buffer, CDIO_CD_FRAMESIZE_RAW );
+ /* do endian conversion ! */
+ pcm16_to_wave( conv_buffer, (uint16_t*) rbuf, CDIO_CD_FRAMESIZE_RAW);
+ rbuf = (int16_t *)conv_buffer;
+ }
+ //store current buffer
+ memcpy(cis->buffer, rbuf, CDIO_CD_FRAMESIZE_RAW);
+ cis->buffer_lsn = cis->lsn_relofs;
+ } else {
+ //use cached sector
+ rbuf = (int16_t*) cis->buffer;
+ }
+
+ //correct offset
+ diff = cis->base.offset - cis->lsn_relofs * CDIO_CD_FRAMESIZE_RAW;
+
+ assert(diff >= 0 && diff < CDIO_CD_FRAMESIZE_RAW);
+
+ maxwrite = CDIO_CD_FRAMESIZE_RAW - diff; //# of bytes pending in current buffer
+ len = (length < maxwrite? length : maxwrite);
+
+ //skip diff bytes from this lsn
+ memcpy(wptr, ((char*)rbuf) + diff, len);
+ //update pointer
+ wptr += len;
+ nbytes += len;
+
+ //update offset
+ cis->base.offset += len;
+ cis->lsn_relofs = cis->base.offset / CDIO_CD_FRAMESIZE_RAW;
+ //update length
+ length -= len;
+ }
+
+ return nbytes;
+}
+
+static bool
+input_cdio_eof(struct input_stream *is)
+{
+ struct input_cdio_paranoia *cis = (struct input_cdio_paranoia *)is;
+
+ return (cis->lsn_from + cis->lsn_relofs > cis->lsn_to);
+}
+
+const struct input_plugin input_plugin_cdio_paranoia = {
+ .name = "cdio_paranoia",
+ .open = input_cdio_open,
+ .close = input_cdio_close,
+ .seek = input_cdio_seek,
+ .read = input_cdio_read,
+ .eof = input_cdio_eof
+};
diff --git a/src/input/cdio_paranoia_input_plugin.h b/src/input/cdio_paranoia_input_plugin.h
new file mode 100644
index 000000000..71c5cbe8d
--- /dev/null
+++ b/src/input/cdio_paranoia_input_plugin.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_CDIO_PARANOIA_INPUT_PLUGIN_H
+#define MPD_CDIO_PARANOIA_INPUT_PLUGIN_H
+
+/**
+ * An input plugin based on libcdio_paranoia library.
+ */
+extern const struct input_plugin input_plugin_cdio_paranoia;
+
+#endif
diff --git a/src/input/curl_input_plugin.c b/src/input/curl_input_plugin.c
index 604965dd1..88a5556d2 100644
--- a/src/input/curl_input_plugin.c
+++ b/src/input/curl_input_plugin.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -19,10 +19,12 @@
#include "config.h"
#include "input/curl_input_plugin.h"
+#include "input_internal.h"
#include "input_plugin.h"
#include "conf.h"
#include "tag.h"
#include "icy_metadata.h"
+#include "io_thread.h"
#include "glib_compat.h"
#include <assert.h>
@@ -50,6 +52,11 @@
static const size_t CURL_MAX_BUFFERED = 512 * 1024;
/**
+ * Resume the stream at this number of bytes after it has been paused.
+ */
+static const size_t CURL_RESUME_AT = 384 * 1024;
+
+/**
* Buffers created by input_curl_writefunction().
*/
struct buffer {
@@ -73,17 +80,29 @@ struct input_curl {
/** the curl handles */
CURL *easy;
- CURLM *multi;
+
+ /** the GMainLoop source used to poll all CURL file
+ descriptors */
+ GSource *source;
+
+ /** the source id of #source */
+ guint source_id;
+
+ /** a linked list of all registered GPollFD objects */
+ GSList *fds;
/** list of buffers, where input_curl_writefunction() appends
to, and input_curl_read() reads from them */
GQueue *buffers;
- /** has something been added to the buffers list? */
- bool buffered;
-
- /** did libcurl tell us the we're at the end of the response body? */
- bool eof;
+#if LIBCURL_VERSION_NUM >= 0x071200
+ /**
+ * Is the connection currently paused? That happens when the
+ * buffer was getting too large. It will be unpaused when the
+ * buffer is below the threshold again.
+ */
+ bool paused;
+#endif
/** error message provided by libcurl */
char error[CURL_ERROR_SIZE];
@@ -97,6 +116,8 @@ struct input_curl {
/** the tag object ready to be requested via
input_stream_tag() */
struct tag *tag;
+
+ GError *postponed_error;
};
/** libcurl should accept "ICY 200 OK" */
@@ -106,20 +127,527 @@ static struct curl_slist *http_200_aliases;
static const char *proxy, *proxy_user, *proxy_password;
static unsigned proxy_port;
+static struct {
+ CURLM *multi;
+
+ /**
+ * A linked list of all active HTTP requests. An active
+ * request is one that doesn't have the "eof" flag set.
+ */
+ GSList *requests;
+
+ /**
+ * The GMainLoop source used to poll all CURL file
+ * descriptors.
+ */
+ GSource *source;
+
+ /**
+ * The source id of #source.
+ */
+ guint source_id;
+
+ GSList *fds;
+
+#if LIBCURL_VERSION_NUM >= 0x070f04
+ /**
+ * Did CURL give us a timeout? If yes, then we need to call
+ * curl_multi_perform(), even if there was no event on any
+ * file descriptor.
+ */
+ bool timeout;
+
+ /**
+ * The absolute time stamp when the timeout expires. This is
+ * used in the GSource method check().
+ */
+ GTimeVal absolute_timeout;
+#endif
+} curl;
+
static inline GQuark
curl_quark(void)
{
return g_quark_from_static_string("curl");
}
+/**
+ * Find a request by its CURL "easy" handle.
+ *
+ * Runs in the I/O thread. No lock needed.
+ */
+static struct input_curl *
+input_curl_find_request(CURL *easy)
+{
+ assert(io_thread_inside());
+
+ for (GSList *i = curl.requests; i != NULL; i = g_slist_next(i)) {
+ struct input_curl *c = i->data;
+ if (c->easy == easy)
+ return c;
+ }
+
+ return NULL;
+}
+
+#if LIBCURL_VERSION_NUM >= 0x071200
+
+static gpointer
+input_curl_resume(gpointer data)
+{
+ assert(io_thread_inside());
+
+ struct input_curl *c = data;
+
+ if (c->paused) {
+ c->paused = false;
+ curl_easy_pause(c->easy, CURLPAUSE_CONT);
+ }
+
+ return NULL;
+}
+
+#endif
+
+/**
+ * Calculates the GLib event bit mask for one file descriptor,
+ * obtained from three #fd_set objects filled by curl_multi_fdset().
+ */
+static gushort
+input_curl_fd_events(int fd, fd_set *rfds, fd_set *wfds, fd_set *efds)
+{
+ gushort events = 0;
+
+ if (FD_ISSET(fd, rfds)) {
+ events |= G_IO_IN | G_IO_HUP | G_IO_ERR;
+ FD_CLR(fd, rfds);
+ }
+
+ if (FD_ISSET(fd, wfds)) {
+ events |= G_IO_OUT | G_IO_ERR;
+ FD_CLR(fd, wfds);
+ }
+
+ if (FD_ISSET(fd, efds)) {
+ events |= G_IO_HUP | G_IO_ERR;
+ FD_CLR(fd, efds);
+ }
+
+ return events;
+}
+
+/**
+ * Updates all registered GPollFD objects, unregisters old ones,
+ * registers new ones.
+ *
+ * Runs in the I/O thread. No lock needed.
+ */
+static void
+curl_update_fds(void)
+{
+ assert(io_thread_inside());
+
+ fd_set rfds, wfds, efds;
+
+ FD_ZERO(&rfds);
+ FD_ZERO(&wfds);
+ FD_ZERO(&efds);
+
+ int max_fd;
+ CURLMcode mcode = curl_multi_fdset(curl.multi, &rfds, &wfds,
+ &efds, &max_fd);
+ if (mcode != CURLM_OK) {
+ g_warning("curl_multi_fdset() failed: %s\n",
+ curl_multi_strerror(mcode));
+ return;
+ }
+
+ GSList *fds = curl.fds;
+ curl.fds = NULL;
+
+ while (fds != NULL) {
+ GPollFD *poll_fd = fds->data;
+ gushort events = input_curl_fd_events(poll_fd->fd, &rfds,
+ &wfds, &efds);
+
+ assert(poll_fd->events != 0);
+
+ fds = g_slist_remove(fds, poll_fd);
+
+ if (events != poll_fd->events)
+ g_source_remove_poll(curl.source, poll_fd);
+
+ if (events != 0) {
+ if (events != poll_fd->events) {
+ poll_fd->events = events;
+ g_source_add_poll(curl.source, poll_fd);
+ }
+
+ curl.fds = g_slist_prepend(curl.fds, poll_fd);
+ } else {
+ g_free(poll_fd);
+ }
+ }
+
+ for (int fd = 0; fd <= max_fd; ++fd) {
+ gushort events = input_curl_fd_events(fd, &rfds, &wfds, &efds);
+ if (events != 0) {
+ GPollFD *poll_fd = g_new(GPollFD, 1);
+ poll_fd->fd = fd;
+ poll_fd->events = events;
+ g_source_add_poll(curl.source, poll_fd);
+ curl.fds = g_slist_prepend(curl.fds, poll_fd);
+ }
+ }
+}
+
+/**
+ * Runs in the I/O thread. No lock needed.
+ */
+static bool
+input_curl_easy_add(struct input_curl *c, GError **error_r)
+{
+ assert(io_thread_inside());
+ assert(c != NULL);
+ assert(c->easy != NULL);
+ assert(input_curl_find_request(c->easy) == NULL);
+
+ curl.requests = g_slist_prepend(curl.requests, c);
+
+ CURLMcode mcode = curl_multi_add_handle(curl.multi, c->easy);
+ if (mcode != CURLM_OK) {
+ g_set_error(error_r, curl_quark(), mcode,
+ "curl_multi_add_handle() failed: %s",
+ curl_multi_strerror(mcode));
+ return false;
+ }
+
+ curl_update_fds();
+
+ return true;
+}
+
+struct easy_add_params {
+ struct input_curl *c;
+ GError **error_r;
+};
+
+static gpointer
+input_curl_easy_add_callback(gpointer data)
+{
+ const struct easy_add_params *params = data;
+
+ bool success = input_curl_easy_add(params->c, params->error_r);
+ return GUINT_TO_POINTER(success);
+}
+
+/**
+ * Call input_curl_easy_add() in the I/O thread. May be called from
+ * any thread. Caller must not hold a mutex.
+ */
+static bool
+input_curl_easy_add_indirect(struct input_curl *c, GError **error_r)
+{
+ assert(c != NULL);
+ assert(c->easy != NULL);
+
+ struct easy_add_params params = {
+ .c = c,
+ .error_r = error_r,
+ };
+
+ gpointer result =
+ io_thread_call(input_curl_easy_add_callback, &params);
+ return GPOINTER_TO_UINT(result);
+}
+
+/**
+ * Frees the current "libcurl easy" handle, and everything associated
+ * with it.
+ *
+ * Runs in the I/O thread.
+ */
+static void
+input_curl_easy_free(struct input_curl *c)
+{
+ assert(io_thread_inside());
+ assert(c != NULL);
+
+ if (c->easy == NULL)
+ return;
+
+ curl.requests = g_slist_remove(curl.requests, c);
+
+ curl_multi_remove_handle(curl.multi, c->easy);
+ curl_easy_cleanup(c->easy);
+ c->easy = NULL;
+
+ curl_slist_free_all(c->request_headers);
+ c->request_headers = NULL;
+
+ g_free(c->range);
+ c->range = NULL;
+}
+
+static gpointer
+input_curl_easy_free_callback(gpointer data)
+{
+ struct input_curl *c = data;
+
+ input_curl_easy_free(c);
+ curl_update_fds();
+
+ return NULL;
+}
+
+/**
+ * Frees the current "libcurl easy" handle, and everything associated
+ * with it.
+ *
+ * The mutex must not be locked.
+ */
+static void
+input_curl_easy_free_indirect(struct input_curl *c)
+{
+ io_thread_call(input_curl_easy_free_callback, c);
+ assert(c->easy == NULL);
+}
+
+/**
+ * Abort and free all HTTP requests.
+ *
+ * Runs in the I/O thread. The caller must not hold locks.
+ */
+static void
+input_curl_abort_all_requests(GError *error)
+{
+ assert(io_thread_inside());
+ assert(error != NULL);
+
+ while (curl.requests != NULL) {
+ struct input_curl *c = curl.requests->data;
+ assert(c->postponed_error == NULL);
+
+ input_curl_easy_free(c);
+
+ g_mutex_lock(c->base.mutex);
+ c->postponed_error = g_error_copy(error);
+ c->base.ready = true;
+ g_cond_broadcast(c->base.cond);
+ g_mutex_unlock(c->base.mutex);
+ }
+
+ g_error_free(error);
+
+}
+
+/**
+ * A HTTP request is finished.
+ *
+ * Runs in the I/O thread. The caller must not hold locks.
+ */
+static void
+input_curl_request_done(struct input_curl *c, CURLcode result, long status)
+{
+ assert(io_thread_inside());
+ assert(c != NULL);
+ assert(c->easy == NULL);
+ assert(c->postponed_error == NULL);
+
+ g_mutex_lock(c->base.mutex);
+
+ if (result != CURLE_OK) {
+ c->postponed_error = g_error_new(curl_quark(), result,
+ "curl failed: %s",
+ c->error);
+ } else if (status < 200 || status >= 300) {
+ c->postponed_error = g_error_new(curl_quark(), 0,
+ "got HTTP status %ld",
+ status);
+ }
+
+ c->base.ready = true;
+ g_cond_broadcast(c->base.cond);
+ g_mutex_unlock(c->base.mutex);
+}
+
+static void
+input_curl_handle_done(CURL *easy_handle, CURLcode result)
+{
+ struct input_curl *c = input_curl_find_request(easy_handle);
+ assert(c != NULL);
+
+ long status = 0;
+ curl_easy_getinfo(easy_handle, CURLINFO_RESPONSE_CODE, &status);
+
+ input_curl_easy_free(c);
+ input_curl_request_done(c, result, status);
+}
+
+/**
+ * Check for finished HTTP responses.
+ *
+ * Runs in the I/O thread. The caller must not hold locks.
+ */
+static void
+input_curl_info_read(void)
+{
+ assert(io_thread_inside());
+
+ CURLMsg *msg;
+ int msgs_in_queue;
+
+ while ((msg = curl_multi_info_read(curl.multi,
+ &msgs_in_queue)) != NULL) {
+ if (msg->msg == CURLMSG_DONE)
+ input_curl_handle_done(msg->easy_handle, msg->data.result);
+ }
+}
+
+/**
+ * Give control to CURL.
+ *
+ * Runs in the I/O thread. The caller must not hold locks.
+ */
+static bool
+input_curl_perform(void)
+{
+ assert(io_thread_inside());
+
+ CURLMcode mcode;
+
+ do {
+ int running_handles;
+ mcode = curl_multi_perform(curl.multi, &running_handles);
+ } while (mcode == CURLM_CALL_MULTI_PERFORM);
+
+ if (mcode != CURLM_OK && mcode != CURLM_CALL_MULTI_PERFORM) {
+ GError *error = g_error_new(curl_quark(), mcode,
+ "curl_multi_perform() failed: %s",
+ curl_multi_strerror(mcode));
+ input_curl_abort_all_requests(error);
+ return false;
+ }
+
+ return true;
+}
+
+/*
+ * GSource methods
+ *
+ */
+
+/**
+ * The GSource prepare() method implementation.
+ */
+static gboolean
+input_curl_source_prepare(G_GNUC_UNUSED GSource *source, gint *timeout_r)
+{
+ curl_update_fds();
+
+#if LIBCURL_VERSION_NUM >= 0x070f04
+ curl.timeout = false;
+
+ long timeout2;
+ CURLMcode mcode = curl_multi_timeout(curl.multi, &timeout2);
+ if (mcode == CURLM_OK) {
+ if (timeout2 >= 0) {
+ g_source_get_current_time(source,
+ &curl.absolute_timeout);
+ g_time_val_add(&curl.absolute_timeout,
+ timeout2 * 1000);
+ }
+
+ if (timeout2 >= 0 && timeout2 < 10)
+ /* CURL 7.21.1 likes to report "timeout=0",
+ which means we're running in a busy loop.
+ Quite a bad idea to waste so much CPU.
+ Let's use a lower limit of 10ms. */
+ timeout2 = 10;
+
+ *timeout_r = timeout2;
+
+ curl.timeout = timeout2 >= 0;
+ } else
+ g_warning("curl_multi_timeout() failed: %s\n",
+ curl_multi_strerror(mcode));
+#else
+ (void)timeout_r;
+#endif
+
+ return false;
+}
+
+/**
+ * The GSource check() method implementation.
+ */
+static gboolean
+input_curl_source_check(G_GNUC_UNUSED GSource *source)
+{
+#if LIBCURL_VERSION_NUM >= 0x070f04
+ if (curl.timeout) {
+ /* when a timeout has expired, we need to call
+ curl_multi_perform(), even if there was no file
+ descriptor event */
+
+ GTimeVal now;
+ g_source_get_current_time(source, &now);
+ if (now.tv_sec > curl.absolute_timeout.tv_sec ||
+ (now.tv_sec == curl.absolute_timeout.tv_sec &&
+ now.tv_usec >= curl.absolute_timeout.tv_usec))
+ return true;
+ }
+#endif
+
+ for (GSList *i = curl.fds; i != NULL; i = i->next) {
+ GPollFD *poll_fd = i->data;
+ if (poll_fd->revents != 0)
+ return true;
+ }
+
+ return false;
+}
+
+/**
+ * The GSource dispatch() method implementation. The callback isn't
+ * used, because we're handling all events directly.
+ */
+static gboolean
+input_curl_source_dispatch(G_GNUC_UNUSED GSource *source,
+ G_GNUC_UNUSED GSourceFunc callback,
+ G_GNUC_UNUSED gpointer user_data)
+{
+ if (input_curl_perform())
+ input_curl_info_read();
+
+ return true;
+}
+
+/**
+ * The vtable for our GSource implementation. Unfortunately, we
+ * cannot declare it "const", because g_source_new() takes a non-const
+ * pointer, for whatever reason.
+ */
+static GSourceFuncs curl_source_funcs = {
+ .prepare = input_curl_source_prepare,
+ .check = input_curl_source_check,
+ .dispatch = input_curl_source_dispatch,
+};
+
+/*
+ * input_plugin methods
+ *
+ */
+
static bool
input_curl_init(const struct config_param *param,
G_GNUC_UNUSED GError **error_r)
{
CURLcode code = curl_global_init(CURL_GLOBAL_ALL);
if (code != CURLE_OK) {
- g_warning("curl_global_init() failed: %s\n",
- curl_easy_strerror(code));
+ g_set_error(error_r, curl_quark(), code,
+ "curl_global_init() failed: %s\n",
+ curl_easy_strerror(code));
return false;
}
@@ -140,20 +668,48 @@ input_curl_init(const struct config_param *param,
"");
}
+ curl.multi = curl_multi_init();
+ if (curl.multi == NULL) {
+ g_set_error(error_r, curl_quark(), 0,
+ "curl_multi_init() failed");
+ return false;
+ }
+
+ curl.source = g_source_new(&curl_source_funcs, sizeof(*curl.source));
+ curl.source_id = g_source_attach(curl.source, io_thread_context());
+
return true;
}
+static gpointer
+curl_destroy_sources(G_GNUC_UNUSED gpointer data)
+{
+ g_source_destroy(curl.source);
+
+ return NULL;
+}
+
static void
input_curl_finish(void)
{
+ assert(curl.requests == NULL);
+
+ io_thread_call(curl_destroy_sources, NULL);
+
+ curl_multi_cleanup(curl.multi);
+
curl_slist_free_all(http_200_aliases);
curl_global_cleanup();
}
+#if LIBCURL_VERSION_NUM >= 0x071200
+
/**
* Determine the total sizes of all buffers, including portions that
* have already been consumed.
+ *
+ * The caller must lock the mutex.
*/
G_GNUC_PURE
static size_t
@@ -170,6 +726,8 @@ curl_total_buffer_size(const struct input_curl *c)
return total;
}
+#endif
+
static void
buffer_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
{
@@ -180,31 +738,15 @@ buffer_free_callback(gpointer data, G_GNUC_UNUSED gpointer user_data)
g_free(buffer);
}
-/**
- * Frees the current "libcurl easy" handle, and everything associated
- * with it.
- */
static void
-input_curl_easy_free(struct input_curl *c)
+input_curl_flush_buffers(struct input_curl *c)
{
- if (c->easy != NULL) {
- curl_multi_remove_handle(c->multi, c->easy);
- curl_easy_cleanup(c->easy);
- c->easy = NULL;
- }
-
- curl_slist_free_all(c->request_headers);
- c->request_headers = NULL;
-
- g_free(c->range);
- c->range = NULL;
-
g_queue_foreach(c->buffers, buffer_free_callback, NULL);
g_queue_clear(c->buffers);
}
/**
- * Frees this stream (but not the input_stream struct itself).
+ * Frees this stream, including the input_stream struct.
*/
static void
input_curl_free(struct input_curl *c)
@@ -213,142 +755,53 @@ input_curl_free(struct input_curl *c)
tag_free(c->tag);
g_free(c->meta_name);
- input_curl_easy_free(c);
-
- if (c->multi != NULL)
- curl_multi_cleanup(c->multi);
+ input_curl_easy_free_indirect(c);
+ input_curl_flush_buffers(c);
g_queue_free(c->buffers);
+ if (c->postponed_error != NULL)
+ g_error_free(c->postponed_error);
+
g_free(c->url);
input_stream_deinit(&c->base);
g_free(c);
}
-static struct tag *
-input_curl_tag(struct input_stream *is)
-{
- struct input_curl *c = (struct input_curl *)is;
- struct tag *tag = c->tag;
-
- c->tag = NULL;
- return tag;
-}
-
static bool
-input_curl_multi_info_read(struct input_curl *c, GError **error_r)
+input_curl_check(struct input_stream *is, GError **error_r)
{
- CURLMsg *msg;
- int msgs_in_queue;
+ struct input_curl *c = (struct input_curl *)is;
- while ((msg = curl_multi_info_read(c->multi,
- &msgs_in_queue)) != NULL) {
- if (msg->msg == CURLMSG_DONE) {
- c->eof = true;
- c->base.ready = true;
-
- if (msg->data.result != CURLE_OK) {
- g_set_error(error_r, curl_quark(),
- msg->data.result,
- "curl failed: %s", c->error);
- return false;
- }
- }
+ bool success = c->postponed_error == NULL;
+ if (!success) {
+ g_propagate_error(error_r, c->postponed_error);
+ c->postponed_error = NULL;
}
- return true;
+ return success;
}
-/**
- * Wait for the libcurl socket.
- *
- * @return -1 on error, 0 if no data is available yet, 1 if data is
- * available
- */
-static int
-input_curl_select(struct input_curl *c, GError **error_r)
+static struct tag *
+input_curl_tag(struct input_stream *is)
{
- fd_set rfds, wfds, efds;
- int max_fd, ret;
- CURLMcode mcode;
- struct timeval timeout = {
- .tv_sec = 1,
- .tv_usec = 0,
- };
-
- assert(!c->eof);
-
- FD_ZERO(&rfds);
- FD_ZERO(&wfds);
- FD_ZERO(&efds);
-
- mcode = curl_multi_fdset(c->multi, &rfds, &wfds, &efds, &max_fd);
- if (mcode != CURLM_OK) {
- g_set_error(error_r, curl_quark(), mcode,
- "curl_multi_fdset() failed: %s",
- curl_multi_strerror(mcode));
- return -1;
- }
-
-#if LIBCURL_VERSION_NUM >= 0x070f04
- long timeout2;
- mcode = curl_multi_timeout(c->multi, &timeout2);
- if (mcode != CURLM_OK) {
- g_warning("curl_multi_timeout() failed: %s\n",
- curl_multi_strerror(mcode));
- return -1;
- }
-
- if (timeout2 >= 0) {
- if (timeout2 > 10000)
- timeout2 = 10000;
-
- timeout.tv_sec = timeout2 / 1000;
- timeout.tv_usec = (timeout2 % 1000) * 1000;
- }
-#endif
-
- ret = select(max_fd + 1, &rfds, &wfds, &efds, &timeout);
- if (ret < 0)
- g_set_error(error_r, g_quark_from_static_string("errno"),
- errno,
- "select() failed: %s\n", g_strerror(errno));
+ struct input_curl *c = (struct input_curl *)is;
+ struct tag *tag = c->tag;
- return ret;
+ c->tag = NULL;
+ return tag;
}
static bool
-fill_buffer(struct input_stream *is, GError **error_r)
+fill_buffer(struct input_curl *c, GError **error_r)
{
- struct input_curl *c = (struct input_curl *)is;
- CURLMcode mcode = CURLM_CALL_MULTI_PERFORM;
+ while (c->easy != NULL && g_queue_is_empty(c->buffers))
+ g_cond_wait(c->base.cond, c->base.mutex);
- while (!c->eof && g_queue_is_empty(c->buffers)) {
- int running_handles;
- bool bret;
-
- if (mcode != CURLM_CALL_MULTI_PERFORM) {
- /* if we're still here, there is no input yet
- - wait for input */
- int ret = input_curl_select(c, error_r);
- if (ret <= 0)
- /* no data yet or error */
- return false;
- }
-
- mcode = curl_multi_perform(c->multi, &running_handles);
- if (mcode != CURLM_OK && mcode != CURLM_CALL_MULTI_PERFORM) {
- g_set_error(error_r, curl_quark(), mcode,
- "curl_multi_perform() failed: %s",
- curl_multi_strerror(mcode));
- c->eof = true;
- is->ready = true;
- return false;
- }
-
- bret = input_curl_multi_info_read(c, error_r);
- if (!bret)
- return false;
+ if (c->postponed_error != NULL) {
+ g_propagate_error(error_r, c->postponed_error);
+ c->postponed_error = NULL;
+ return false;
}
return !g_queue_is_empty(c->buffers);
@@ -444,6 +897,15 @@ copy_icy_tag(struct input_curl *c)
c->tag = tag;
}
+static bool
+input_curl_available(struct input_stream *is)
+{
+ struct input_curl *c = (struct input_curl *)is;
+
+ return c->postponed_error != NULL || c->easy == NULL ||
+ !g_queue_is_empty(c->buffers);
+}
+
static size_t
input_curl_read(struct input_stream *is, void *ptr, size_t size,
GError **error_r)
@@ -456,7 +918,7 @@ input_curl_read(struct input_stream *is, void *ptr, size_t size,
do {
/* fill the buffer */
- success = fill_buffer(is, error_r);
+ success = fill_buffer(c, error_r);
if (!success)
return 0;
@@ -476,6 +938,14 @@ input_curl_read(struct input_stream *is, void *ptr, size_t size,
is->offset += (goffset)nbytes;
+#if LIBCURL_VERSION_NUM >= 0x071200
+ if (c->paused && curl_total_buffer_size(c) < CURL_RESUME_AT) {
+ g_mutex_unlock(c->base.mutex);
+ io_thread_call(input_curl_resume, c);
+ g_mutex_lock(c->base.mutex);
+ }
+#endif
+
return nbytes;
}
@@ -492,49 +962,7 @@ input_curl_eof(G_GNUC_UNUSED struct input_stream *is)
{
struct input_curl *c = (struct input_curl *)is;
- return c->eof && g_queue_is_empty(c->buffers);
-}
-
-static int
-input_curl_buffer(struct input_stream *is, GError **error_r)
-{
- struct input_curl *c = (struct input_curl *)is;
-
- if (curl_total_buffer_size(c) >= CURL_MAX_BUFFERED)
- return 0;
-
- CURLMcode mcode;
- int running_handles;
- bool ret;
-
- c->buffered = false;
-
- if (!is->ready && !c->eof)
- /* not ready yet means the caller is waiting in a busy
- loop; relax that by calling select() on the
- socket */
- if (input_curl_select(c, error_r) < 0)
- return -1;
-
- do {
- mcode = curl_multi_perform(c->multi, &running_handles);
- } while (mcode == CURLM_CALL_MULTI_PERFORM &&
- g_queue_is_empty(c->buffers));
-
- if (mcode != CURLM_OK && mcode != CURLM_CALL_MULTI_PERFORM) {
- g_set_error(error_r, curl_quark(), mcode,
- "curl_multi_perform() failed: %s",
- curl_multi_strerror(mcode));
- c->eof = true;
- is->ready = true;
- return -1;
- }
-
- ret = input_curl_multi_info_read(c, error_r);
- if (!ret)
- return -1;
-
- return c->buffered;
+ return c->easy == NULL && g_queue_is_empty(c->buffers);
}
/** called by curl when new data is available */
@@ -632,15 +1060,27 @@ input_curl_writefunction(void *ptr, size_t size, size_t nmemb, void *stream)
if (size == 0)
return 0;
+ g_mutex_lock(c->base.mutex);
+
+#if LIBCURL_VERSION_NUM >= 0x071200
+ if (curl_total_buffer_size(c) + size >= CURL_MAX_BUFFERED) {
+ c->paused = true;
+ g_mutex_unlock(c->base.mutex);
+ return CURL_WRITEFUNC_PAUSE;
+ }
+#endif
+
buffer = g_malloc(sizeof(*buffer) - sizeof(buffer->data) + size);
buffer->size = size;
buffer->consumed = 0;
memcpy(buffer->data, ptr, size);
- g_queue_push_tail(c->buffers, buffer);
- c->buffered = true;
+ g_queue_push_tail(c->buffers, buffer);
c->base.ready = true;
+ g_cond_broadcast(c->base.cond);
+ g_mutex_unlock(c->base.mutex);
+
return size;
}
@@ -648,9 +1088,6 @@ static bool
input_curl_easy_init(struct input_curl *c, GError **error_r)
{
CURLcode code;
- CURLMcode mcode;
-
- c->eof = false;
c->easy = curl_easy_init();
if (c->easy == NULL) {
@@ -659,14 +1096,6 @@ input_curl_easy_init(struct input_curl *c, GError **error_r)
return false;
}
- mcode = curl_multi_add_handle(c->multi, c->easy);
- if (mcode != CURLM_OK) {
- g_set_error(error_r, curl_quark(), mcode,
- "curl_multi_add_handle() failed: %s",
- curl_multi_strerror(mcode));
- return false;
- }
-
curl_easy_setopt(c->easy, CURLOPT_USERAGENT,
"Music Player Daemon " VERSION);
curl_easy_setopt(c->easy, CURLOPT_HEADERFUNCTION,
@@ -677,6 +1106,7 @@ input_curl_easy_init(struct input_curl *c, GError **error_r)
curl_easy_setopt(c->easy, CURLOPT_WRITEDATA, c);
curl_easy_setopt(c->easy, CURLOPT_HTTP200ALIASES, http_200_aliases);
curl_easy_setopt(c->easy, CURLOPT_FOLLOWLOCATION, 1);
+ curl_easy_setopt(c->easy, CURLOPT_NETRC, 1);
curl_easy_setopt(c->easy, CURLOPT_MAXREDIRS, 5);
curl_easy_setopt(c->easy, CURLOPT_FAILONERROR, true);
curl_easy_setopt(c->easy, CURLOPT_ERRORBUFFER, c->error);
@@ -713,38 +1143,6 @@ input_curl_easy_init(struct input_curl *c, GError **error_r)
return true;
}
-void
-input_curl_reinit(struct input_stream *is)
-{
- struct input_curl *c = (struct input_curl *)is;
-
- assert(c->base.plugin == &input_plugin_curl);
- assert(c->easy != NULL);
-
- curl_easy_setopt(c->easy, CURLOPT_WRITEHEADER, is);
- curl_easy_setopt(c->easy, CURLOPT_WRITEDATA, is);
-}
-
-static bool
-input_curl_send_request(struct input_curl *c, GError **error_r)
-{
- CURLMcode mcode;
- int running_handles;
-
- do {
- mcode = curl_multi_perform(c->multi, &running_handles);
- } while (mcode == CURLM_CALL_MULTI_PERFORM);
-
- if (mcode != CURLM_OK) {
- g_set_error(error_r, curl_quark(), mcode,
- "curl_multi_perform() failed: %s",
- curl_multi_strerror(mcode));
- return false;
- }
-
- return true;
-}
-
static bool
input_curl_seek(struct input_stream *is, goffset offset, int whence,
GError **error_r)
@@ -810,14 +1208,16 @@ input_curl_seek(struct input_stream *is, goffset offset, int whence,
/* close the old connection and open a new one */
- input_curl_easy_free(c);
+ g_mutex_unlock(c->base.mutex);
+
+ input_curl_easy_free_indirect(c);
+ input_curl_flush_buffers(c);
is->offset = offset;
if (is->offset == is->size) {
/* seek to EOF: simulate empty result; avoid
triggering a "416 Requested Range Not Satisfiable"
response */
- c->eof = true;
return true;
}
@@ -832,53 +1232,59 @@ input_curl_seek(struct input_stream *is, goffset offset, int whence,
curl_easy_setopt(c->easy, CURLOPT_RANGE, c->range);
}
- ret = input_curl_send_request(c, error_r);
- if (!ret)
+ c->base.ready = false;
+
+ if (!input_curl_easy_add_indirect(c, error_r))
return false;
- return input_curl_multi_info_read(c, error_r);
+ g_mutex_lock(c->base.mutex);
+
+ while (!c->base.ready)
+ g_cond_wait(c->base.cond, c->base.mutex);
+
+ if (c->postponed_error != NULL) {
+ g_propagate_error(error_r, c->postponed_error);
+ c->postponed_error = NULL;
+ return false;
+ }
+
+ return true;
}
static struct input_stream *
-input_curl_open(const char *url, GError **error_r)
+input_curl_open(const char *url, GMutex *mutex, GCond *cond,
+ GError **error_r)
{
+ assert(mutex != NULL);
+ assert(cond != NULL);
+
struct input_curl *c;
- bool ret;
if (strncmp(url, "http://", 7) != 0)
return NULL;
c = g_new0(struct input_curl, 1);
- input_stream_init(&c->base, &input_plugin_curl, url);
+ input_stream_init(&c->base, &input_plugin_curl, url,
+ mutex, cond);
c->url = g_strdup(url);
c->buffers = g_queue_new();
- c->multi = curl_multi_init();
- if (c->multi == NULL) {
- g_set_error(error_r, curl_quark(), 0,
- "curl_multi_init() failed");
- input_curl_free(c);
- return NULL;
- }
-
icy_clear(&c->icy_metadata);
c->tag = NULL;
- ret = input_curl_easy_init(c, error_r);
- if (!ret) {
- input_curl_free(c);
- return NULL;
- }
+ c->postponed_error = NULL;
+
+#if LIBCURL_VERSION_NUM >= 0x071200
+ c->paused = false;
+#endif
- ret = input_curl_send_request(c, error_r);
- if (!ret) {
+ if (!input_curl_easy_init(c, error_r)) {
input_curl_free(c);
return NULL;
}
- ret = input_curl_multi_info_read(c, error_r);
- if (!ret) {
+ if (!input_curl_easy_add_indirect(c, error_r)) {
input_curl_free(c);
return NULL;
}
@@ -893,8 +1299,9 @@ const struct input_plugin input_plugin_curl = {
.open = input_curl_open,
.close = input_curl_close,
+ .check = input_curl_check,
.tag = input_curl_tag,
- .buffer = input_curl_buffer,
+ .available = input_curl_available,
.read = input_curl_read,
.eof = input_curl_eof,
.seek = input_curl_seek,
diff --git a/src/input/curl_input_plugin.h b/src/input/curl_input_plugin.h
index be7db4e26..c6e71bf40 100644
--- a/src/input/curl_input_plugin.h
+++ b/src/input/curl_input_plugin.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -24,12 +24,4 @@ struct input_stream;
extern const struct input_plugin input_plugin_curl;
-/**
- * This is a workaround for an input_stream API deficiency; after
- * exchanging the input_stream pointer in input_rewind_open(), this
- * function is called to reinitialize CURL's data pointers.
- */
-void
-input_curl_reinit(struct input_stream *is);
-
#endif
diff --git a/src/input/despotify_input_plugin.c b/src/input/despotify_input_plugin.c
new file mode 100644
index 000000000..200a0afd6
--- /dev/null
+++ b/src/input/despotify_input_plugin.c
@@ -0,0 +1,230 @@
+/*
+ * Copyright (C) 2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "input/despotify_input_plugin.h"
+#include "input_internal.h"
+#include "input_plugin.h"
+#include "tag.h"
+#include "despotify_utils.h"
+
+#include <glib.h>
+
+#include <unistd.h>
+#include <string.h>
+#include <errno.h>
+#include <despotify.h>
+
+#include <stdio.h>
+
+struct input_despotify {
+ struct input_stream base;
+
+ struct despotify_session *session;
+ struct ds_track *track;
+ struct tag *tag;
+ struct ds_pcm_data pcm;
+ size_t len_available;
+ bool eof;
+};
+
+
+static void
+refill_buffer(struct input_despotify *ctx)
+{
+ /* Wait until there is data */
+ while (1) {
+ int rc = despotify_get_pcm(ctx->session, &ctx->pcm);
+
+ if (rc == 0 && ctx->pcm.len) {
+ ctx->len_available = ctx->pcm.len;
+ break;
+ }
+ if (ctx->eof == true)
+ break;
+
+ if (rc < 0) {
+ g_debug("despotify_get_pcm error\n");
+ ctx->eof = true;
+ break;
+ }
+
+ /* Wait a while until next iteration */
+ usleep(50 * 1000);
+ }
+}
+
+static void callback(G_GNUC_UNUSED struct despotify_session* ds,
+ int sig, G_GNUC_UNUSED void* data, void* callback_data)
+{
+ struct input_despotify *ctx = (struct input_despotify *)callback_data;
+
+ switch (sig) {
+ case DESPOTIFY_NEW_TRACK:
+ break;
+
+ case DESPOTIFY_TIME_TELL:
+ break;
+
+ case DESPOTIFY_TRACK_PLAY_ERROR:
+ g_debug("Track play error\n");
+ ctx->eof = true;
+ ctx->len_available = 0;
+ break;
+
+ case DESPOTIFY_END_OF_PLAYLIST:
+ ctx->eof = true;
+ g_debug("End of playlist: %d\n", ctx->eof);
+ break;
+ }
+}
+
+
+static struct input_stream *
+input_despotify_open(const char *url,
+ GMutex *mutex, GCond *cond,
+ G_GNUC_UNUSED GError **error_r)
+{
+ struct input_despotify *ctx;
+ struct despotify_session *session;
+ struct ds_link *ds_link;
+ struct ds_track *track;
+
+ if (!g_str_has_prefix(url, "spt://"))
+ return NULL;
+
+ session = mpd_despotify_get_session();
+ if (!session)
+ return NULL;
+
+ ds_link = despotify_link_from_uri(url + 6);
+ if (!ds_link) {
+ g_debug("Can't find %s\n", url);
+ return NULL;
+ }
+ if (ds_link->type != LINK_TYPE_TRACK) {
+ despotify_free_link(ds_link);
+ return NULL;
+ }
+
+ ctx = g_new(struct input_despotify, 1);
+ memset(ctx, 0, sizeof(*ctx));
+
+ track = despotify_link_get_track(session, ds_link);
+ despotify_free_link(ds_link);
+ if (!track) {
+ g_free(ctx);
+ return NULL;
+ }
+
+ input_stream_init(&ctx->base, &input_plugin_despotify, url,
+ mutex, cond);
+ ctx->session = session;
+ ctx->track = track;
+ ctx->tag = mpd_despotify_tag_from_track(track);
+ ctx->eof = false;
+ /* Despotify outputs pcm data */
+ ctx->base.mime = g_strdup("audio/x-mpd-cdda-pcm");
+ ctx->base.ready = true;
+
+ if (!mpd_despotify_register_callback(callback, ctx)) {
+ despotify_free_link(ds_link);
+
+ return NULL;
+ }
+
+ if (despotify_play(ctx->session, ctx->track, false) == false) {
+ despotify_free_track(ctx->track);
+ g_free(ctx);
+ return NULL;
+ }
+
+ return &ctx->base;
+}
+
+static size_t
+input_despotify_read(struct input_stream *is, void *ptr, size_t size,
+ G_GNUC_UNUSED GError **error_r)
+{
+ struct input_despotify *ctx = (struct input_despotify *)is;
+ size_t to_cpy = size;
+
+ if (ctx->len_available == 0)
+ refill_buffer(ctx);
+
+ if (ctx->len_available < size)
+ to_cpy = ctx->len_available;
+ memcpy(ptr, ctx->pcm.buf, to_cpy);
+ ctx->len_available -= to_cpy;
+
+ is->offset += to_cpy;
+
+ return to_cpy;
+}
+
+static void
+input_despotify_close(struct input_stream *is)
+{
+ struct input_despotify *ctx = (struct input_despotify *)is;
+
+ if (ctx->tag != NULL)
+ tag_free(ctx->tag);
+
+ mpd_despotify_unregister_callback(callback);
+ despotify_free_track(ctx->track);
+ input_stream_deinit(&ctx->base);
+ g_free(ctx);
+}
+
+static bool
+input_despotify_eof(struct input_stream *is)
+{
+ struct input_despotify *ctx = (struct input_despotify *)is;
+
+ return ctx->eof;
+}
+
+static bool
+input_despotify_seek(G_GNUC_UNUSED struct input_stream *is,
+ G_GNUC_UNUSED goffset offset, G_GNUC_UNUSED int whence,
+ G_GNUC_UNUSED GError **error_r)
+{
+ return false;
+}
+
+static struct tag *
+input_despotify_tag(struct input_stream *is)
+{
+ struct input_despotify *ctx = (struct input_despotify *)is;
+ struct tag *tag = ctx->tag;
+
+ ctx->tag = NULL;
+
+ return tag;
+}
+
+const struct input_plugin input_plugin_despotify = {
+ .name = "spt",
+ .open = input_despotify_open,
+ .close = input_despotify_close,
+ .read = input_despotify_read,
+ .eof = input_despotify_eof,
+ .seek = input_despotify_seek,
+ .tag = input_despotify_tag,
+};
diff --git a/src/input/despotify_input_plugin.h b/src/input/despotify_input_plugin.h
new file mode 100644
index 000000000..4c070d882
--- /dev/null
+++ b/src/input/despotify_input_plugin.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef INPUT_DESPOTIFY_H
+#define INPUT_DESPOTIFY_H
+
+extern const struct input_plugin input_plugin_despotify;
+
+#endif
diff --git a/src/input/ffmpeg_input_plugin.c b/src/input/ffmpeg_input_plugin.c
index 0a6be29bc..1c64b52c1 100644
--- a/src/input/ffmpeg_input_plugin.c
+++ b/src/input/ffmpeg_input_plugin.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -19,15 +19,11 @@
#include "config.h"
#include "input/ffmpeg_input_plugin.h"
+#include "input_internal.h"
#include "input_plugin.h"
-#ifdef OLD_FFMPEG_INCLUDES
-#include <avio.h>
-#include <avformat.h>
-#else
#include <libavformat/avio.h>
#include <libavformat/avformat.h>
-#endif
#undef G_LOG_DOMAIN
#define G_LOG_DOMAIN "input_ffmpeg"
@@ -35,7 +31,11 @@
struct input_ffmpeg {
struct input_stream base;
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+ AVIOContext *h;
+#else
URLContext *h;
+#endif
bool eof;
};
@@ -46,26 +46,37 @@ ffmpeg_quark(void)
return g_quark_from_static_string("ffmpeg");
}
+static inline bool
+input_ffmpeg_supported(void)
+{
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+ void *opaque = NULL;
+ return avio_enum_protocols(&opaque, 0) != NULL;
+#else
+ return av_protocol_next(NULL) != NULL;
+#endif
+}
+
static bool
input_ffmpeg_init(G_GNUC_UNUSED const struct config_param *param,
G_GNUC_UNUSED GError **error_r)
{
av_register_all();
-#if LIBAVFORMAT_VERSION_MAJOR >= 52
/* disable this plugin if there's no registered protocol */
- if (av_protocol_next(NULL) == NULL) {
+ if (!input_ffmpeg_supported()) {
g_set_error(error_r, ffmpeg_quark(), 0,
"No protocol");
return false;
}
-#endif
return true;
}
static struct input_stream *
-input_ffmpeg_open(const char *uri, GError **error_r)
+input_ffmpeg_open(const char *uri,
+ GMutex *mutex, GCond *cond,
+ GError **error_r)
{
struct input_ffmpeg *i;
@@ -78,9 +89,16 @@ input_ffmpeg_open(const char *uri, GError **error_r)
return NULL;
i = g_new(struct input_ffmpeg, 1);
- input_stream_init(&i->base, &input_plugin_ffmpeg, uri);
+ input_stream_init(&i->base, &input_plugin_ffmpeg, uri,
+ mutex, cond);
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,1,0)
+ int ret = avio_open(&i->h, uri, AVIO_FLAG_READ);
+#elif LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+ int ret = avio_open(&i->h, uri, AVIO_RDONLY);
+#else
int ret = url_open(&i->h, uri, URL_RDONLY);
+#endif
if (ret != 0) {
g_free(i);
g_set_error(error_r, ffmpeg_quark(), ret,
@@ -91,8 +109,13 @@ input_ffmpeg_open(const char *uri, GError **error_r)
i->eof = false;
i->base.ready = true;
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+ i->base.seekable = (i->h->seekable & AVIO_SEEKABLE_NORMAL) != 0;
+ i->base.size = avio_size(i->h);
+#else
i->base.seekable = !i->h->is_streamed;
i->base.size = url_filesize(i->h);
+#endif
/* hack to make MPD select the "ffmpeg" decoder plugin - since
avio.h doesn't tell us the MIME type of the resource, we
@@ -109,7 +132,11 @@ input_ffmpeg_read(struct input_stream *is, void *ptr, size_t size,
{
struct input_ffmpeg *i = (struct input_ffmpeg *)is;
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+ int ret = avio_read(i->h, ptr, size);
+#else
int ret = url_read(i->h, ptr, size);
+#endif
if (ret <= 0) {
if (ret < 0)
g_set_error(error_r, ffmpeg_quark(), 0,
@@ -128,7 +155,11 @@ input_ffmpeg_close(struct input_stream *is)
{
struct input_ffmpeg *i = (struct input_ffmpeg *)is;
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+ avio_close(i->h);
+#else
url_close(i->h);
+#endif
input_stream_deinit(&i->base);
g_free(i);
}
@@ -146,7 +177,11 @@ input_ffmpeg_seek(struct input_stream *is, goffset offset, int whence,
G_GNUC_UNUSED GError **error_r)
{
struct input_ffmpeg *i = (struct input_ffmpeg *)is;
+#if LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(53,0,0)
+ int64_t ret = avio_seek(i->h, offset, whence);
+#else
int64_t ret = url_seek(i->h, offset, whence);
+#endif
if (ret >= 0) {
i->eof = false;
diff --git a/src/input/ffmpeg_input_plugin.h b/src/input/ffmpeg_input_plugin.h
index ff87064be..393836ca5 100644
--- a/src/input/ffmpeg_input_plugin.h
+++ b/src/input/ffmpeg_input_plugin.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
diff --git a/src/input/file_input_plugin.c b/src/input/file_input_plugin.c
index 3646c656e..5ee3f200b 100644
--- a/src/input/file_input_plugin.c
+++ b/src/input/file_input_plugin.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -19,6 +19,7 @@
#include "config.h" /* must be first for large file support */
#include "input/file_input_plugin.h"
+#include "input_internal.h"
#include "input_plugin.h"
#include "fd_util.h"
#include "open.h"
@@ -45,14 +46,16 @@ file_quark(void)
}
static struct input_stream *
-input_file_open(const char *filename, GError **error_r)
+input_file_open(const char *filename,
+ GMutex *mutex, GCond *cond,
+ GError **error_r)
{
int fd, ret;
struct stat st;
struct file_input_stream *fis;
if (!g_path_is_absolute(filename))
- return false;
+ return NULL;
fd = open_cloexec(filename, O_RDONLY|O_BINARY, 0);
if (fd < 0) {
@@ -60,7 +63,7 @@ input_file_open(const char *filename, GError **error_r)
g_set_error(error_r, file_quark(), errno,
"Failed to open \"%s\": %s",
filename, g_strerror(errno));
- return false;
+ return NULL;
}
ret = fstat(fd, &st);
@@ -69,14 +72,14 @@ input_file_open(const char *filename, GError **error_r)
"Failed to stat \"%s\": %s",
filename, g_strerror(errno));
close(fd);
- return false;
+ return NULL;
}
if (!S_ISREG(st.st_mode)) {
g_set_error(error_r, file_quark(), 0,
"Not a regular file: %s", filename);
close(fd);
- return false;
+ return NULL;
}
#ifdef POSIX_FADV_SEQUENTIAL
@@ -84,7 +87,8 @@ input_file_open(const char *filename, GError **error_r)
#endif
fis = g_new(struct file_input_stream, 1);
- input_stream_init(&fis->base, &input_plugin_file, filename);
+ input_stream_init(&fis->base, &input_plugin_file, filename,
+ mutex, cond);
fis->base.size = st.st_size;
fis->base.seekable = true;
diff --git a/src/input/file_input_plugin.h b/src/input/file_input_plugin.h
index 40340e8bd..f24769d57 100644
--- a/src/input/file_input_plugin.h
+++ b/src/input/file_input_plugin.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
diff --git a/src/input/mms_input_plugin.c b/src/input/mms_input_plugin.c
index 834d111b8..cff15125b 100644
--- a/src/input/mms_input_plugin.c
+++ b/src/input/mms_input_plugin.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -19,6 +19,7 @@
#include "config.h"
#include "input/mms_input_plugin.h"
+#include "input_internal.h"
#include "input_plugin.h"
#include <glib.h>
@@ -45,7 +46,9 @@ mms_quark(void)
}
static struct input_stream *
-input_mms_open(const char *url, GError **error_r)
+input_mms_open(const char *url,
+ GMutex *mutex, GCond *cond,
+ GError **error_r)
{
struct input_mms *m;
@@ -56,7 +59,8 @@ input_mms_open(const char *url, GError **error_r)
return NULL;
m = g_new(struct input_mms, 1);
- input_stream_init(&m->base, &input_plugin_mms, url);
+ input_stream_init(&m->base, &input_plugin_mms, url,
+ mutex, cond);
m->mms = mmsx_connect(NULL, NULL, url, 128 * 1024);
if (m->mms == NULL) {
diff --git a/src/input/mms_input_plugin.h b/src/input/mms_input_plugin.h
index 2e10cfbb9..d6aa593f2 100644
--- a/src/input/mms_input_plugin.h
+++ b/src/input/mms_input_plugin.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
diff --git a/src/input/rewind_input_plugin.c b/src/input/rewind_input_plugin.c
index f0d533bc8..cf06fc57b 100644
--- a/src/input/rewind_input_plugin.c
+++ b/src/input/rewind_input_plugin.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -19,7 +19,7 @@
#include "config.h"
#include "input/rewind_input_plugin.h"
-#include "input/curl_input_plugin.h"
+#include "input_internal.h"
#include "input_plugin.h"
#include "tag.h"
@@ -107,6 +107,23 @@ input_rewind_close(struct input_stream *is)
g_free(r);
}
+static bool
+input_rewind_check(struct input_stream *is, GError **error_r)
+{
+ struct input_rewind *r = (struct input_rewind *)is;
+
+ return input_stream_check(r->input, error_r);
+}
+
+static void
+input_rewind_update(struct input_stream *is)
+{
+ struct input_rewind *r = (struct input_rewind *)is;
+
+ if (!reading_from_buffer(r))
+ copy_attributes(r);
+}
+
static struct tag *
input_rewind_tag(struct input_stream *is)
{
@@ -115,16 +132,12 @@ input_rewind_tag(struct input_stream *is)
return input_stream_tag(r->input);
}
-static int
-input_rewind_buffer(struct input_stream *is, GError **error_r)
+static bool
+input_rewind_available(struct input_stream *is)
{
struct input_rewind *r = (struct input_rewind *)is;
- int ret = input_stream_buffer(r->input, error_r);
- if (ret < 0 || !reading_from_buffer(r))
- copy_attributes(r);
-
- return ret;
+ return input_stream_available(r->input);
}
static size_t
@@ -212,8 +225,10 @@ input_rewind_seek(struct input_stream *is, goffset offset, int whence,
static const struct input_plugin rewind_input_plugin = {
.close = input_rewind_close,
+ .check = input_rewind_check,
+ .update = input_rewind_update,
.tag = input_rewind_tag,
- .buffer = input_rewind_buffer,
+ .available = input_rewind_available,
.read = input_rewind_read,
.eof = input_rewind_eof,
.seek = input_rewind_seek,
@@ -232,7 +247,8 @@ input_rewind_open(struct input_stream *is)
return is;
c = g_new(struct input_rewind, 1);
- input_stream_init(&c->base, &rewind_input_plugin, is->uri);
+ input_stream_init(&c->base, &rewind_input_plugin, is->uri,
+ is->mutex, is->cond);
c->tail = 0;
c->input = is;
diff --git a/src/input/rewind_input_plugin.h b/src/input/rewind_input_plugin.h
index 23d25d94d..83abe257a 100644
--- a/src/input/rewind_input_plugin.h
+++ b/src/input/rewind_input_plugin.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2010 The Music Player Daemon Project
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
diff --git a/src/input/soup_input_plugin.c b/src/input/soup_input_plugin.c
new file mode 100644
index 000000000..52dcec427
--- /dev/null
+++ b/src/input/soup_input_plugin.c
@@ -0,0 +1,460 @@
+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "config.h"
+#include "input/soup_input_plugin.h"
+#include "input_internal.h"
+#include "input_plugin.h"
+#include "io_thread.h"
+#include "conf.h"
+
+#include <libsoup/soup-uri.h>
+#include <libsoup/soup-session-async.h>
+
+#include <assert.h>
+#include <string.h>
+
+#undef G_LOG_DOMAIN
+#define G_LOG_DOMAIN "input_soup"
+
+/**
+ * Do not buffer more than this number of bytes. It should be a
+ * reasonable limit that doesn't make low-end machines suffer too
+ * much, but doesn't cause stuttering on high-latency lines.
+ */
+static const size_t SOUP_MAX_BUFFERED = 512 * 1024;
+
+/**
+ * Resume the stream at this number of bytes after it has been paused.
+ */
+static const size_t SOUP_RESUME_AT = 384 * 1024;
+
+static SoupURI *soup_proxy;
+static SoupSession *soup_session;
+
+struct input_soup {
+ struct input_stream base;
+
+ SoupMessage *msg;
+
+ GQueue *buffers;
+
+ size_t current_consumed;
+
+ size_t total_buffered;
+
+ bool alive, pause, eof;
+
+ /**
+ * Set when the session callback has been invoked, when it is
+ * safe to free this object.
+ */
+ bool completed;
+
+ GError *postponed_error;
+};
+
+static inline GQuark
+soup_quark(void)
+{
+ return g_quark_from_static_string("soup");
+}
+
+static bool
+input_soup_init(const struct config_param *param, GError **error_r)
+{
+ assert(soup_proxy == NULL);
+ assert(soup_session == NULL);
+
+ g_type_init();
+
+ const char *proxy = config_get_block_string(param, "proxy", NULL);
+
+ if (proxy != NULL) {
+ soup_proxy = soup_uri_new(proxy);
+ if (soup_proxy == NULL) {
+ g_set_error(error_r, soup_quark(), 0,
+ "failed to parse proxy setting");
+ return false;
+ }
+ }
+
+ soup_session =
+ soup_session_async_new_with_options(SOUP_SESSION_PROXY_URI,
+ soup_proxy,
+ SOUP_SESSION_ASYNC_CONTEXT,
+ io_thread_context(),
+ NULL);
+
+ return true;
+}
+
+static void
+input_soup_finish(void)
+{
+ assert(soup_session != NULL);
+
+ soup_session_abort(soup_session);
+ g_object_unref(G_OBJECT(soup_session));
+
+ if (soup_proxy != NULL)
+ soup_uri_free(soup_proxy);
+}
+
+/**
+ * Copy the error from the SoupMessage object to
+ * input_soup::postponed_error.
+ *
+ * @return true if there was no error
+ */
+static bool
+input_soup_copy_error(struct input_soup *s, const SoupMessage *msg)
+{
+ if (SOUP_STATUS_IS_SUCCESSFUL(msg->status_code))
+ return true;
+
+ if (msg->status_code == SOUP_STATUS_CANCELLED)
+ /* failure, but don't generate a GError, because this
+ status was caused by _close() */
+ return false;
+
+ if (s->postponed_error != NULL)
+ /* there's already a GError, don't overwrite it */
+ return false;
+
+ if (SOUP_STATUS_IS_TRANSPORT_ERROR(msg->status_code))
+ s->postponed_error =
+ g_error_new(soup_quark(), msg->status_code,
+ "HTTP client error: %s",
+ msg->reason_phrase);
+ else
+ s->postponed_error =
+ g_error_new(soup_quark(), msg->status_code,
+ "got HTTP status: %d %s",
+ msg->status_code, msg->reason_phrase);
+
+ return false;
+}
+
+static void
+input_soup_session_callback(G_GNUC_UNUSED SoupSession *session,
+ SoupMessage *msg, gpointer user_data)
+{
+ struct input_soup *s = user_data;
+
+ assert(msg == s->msg);
+ assert(!s->completed);
+
+ g_mutex_lock(s->base.mutex);
+
+ if (!s->base.ready)
+ input_soup_copy_error(s, msg);
+
+ s->base.ready = true;
+ s->alive = false;
+ s->completed = true;
+
+ g_cond_broadcast(s->base.cond);
+ g_mutex_unlock(s->base.mutex);
+}
+
+static void
+input_soup_got_headers(SoupMessage *msg, gpointer user_data)
+{
+ struct input_soup *s = user_data;
+
+ g_mutex_lock(s->base.mutex);
+
+ if (!input_soup_copy_error(s, msg)) {
+ g_mutex_unlock(s->base.mutex);
+
+ soup_session_cancel_message(soup_session, msg,
+ SOUP_STATUS_CANCELLED);
+ return;
+ }
+
+ s->base.ready = true;
+ g_cond_broadcast(s->base.cond);
+ g_mutex_unlock(s->base.mutex);
+
+ soup_message_body_set_accumulate(msg->response_body, false);
+}
+
+static void
+input_soup_got_chunk(SoupMessage *msg, SoupBuffer *chunk, gpointer user_data)
+{
+ struct input_soup *s = user_data;
+
+ assert(msg == s->msg);
+
+ g_mutex_lock(s->base.mutex);
+
+ g_queue_push_tail(s->buffers, soup_buffer_copy(chunk));
+ s->total_buffered += chunk->length;
+
+ if (s->total_buffered >= SOUP_MAX_BUFFERED && !s->pause) {
+ s->pause = true;
+ soup_session_pause_message(soup_session, msg);
+ }
+
+ g_cond_broadcast(s->base.cond);
+ g_mutex_unlock(s->base.mutex);
+}
+
+static void
+input_soup_got_body(G_GNUC_UNUSED SoupMessage *msg, gpointer user_data)
+{
+ struct input_soup *s = user_data;
+
+ assert(msg == s->msg);
+
+ g_mutex_lock(s->base.mutex);
+
+ s->base.ready = true;
+ s->eof = true;
+ s->alive = false;
+
+ g_cond_broadcast(s->base.cond);
+ g_mutex_unlock(s->base.mutex);
+}
+
+static bool
+input_soup_wait_data(struct input_soup *s)
+{
+ while (true) {
+ if (s->eof)
+ return true;
+
+ if (!s->alive)
+ return false;
+
+ if (!g_queue_is_empty(s->buffers))
+ return true;
+
+ assert(s->current_consumed == 0);
+
+ g_cond_wait(s->base.cond, s->base.mutex);
+ }
+}
+
+static gpointer
+input_soup_queue(gpointer data)
+{
+ struct input_soup *s = data;
+
+ soup_session_queue_message(soup_session, s->msg,
+ input_soup_session_callback, s);
+
+ return NULL;
+}
+
+static struct input_stream *
+input_soup_open(const char *uri,
+ GMutex *mutex, GCond *cond,
+ G_GNUC_UNUSED GError **error_r)
+{
+ if (strncmp(uri, "http://", 7) != 0)
+ return NULL;
+
+ struct input_soup *s = g_new(struct input_soup, 1);
+ input_stream_init(&s->base, &input_plugin_soup, uri,
+ mutex, cond);
+
+ s->buffers = g_queue_new();
+ s->current_consumed = 0;
+ s->total_buffered = 0;
+
+ s->msg = soup_message_new(SOUP_METHOD_GET, uri);
+ soup_message_set_flags(s->msg, SOUP_MESSAGE_NO_REDIRECT);
+
+ soup_message_headers_append(s->msg->request_headers, "User-Agent",
+ "Music Player Daemon " VERSION);
+
+ g_signal_connect(s->msg, "got-headers",
+ G_CALLBACK(input_soup_got_headers), s);
+ g_signal_connect(s->msg, "got-chunk",
+ G_CALLBACK(input_soup_got_chunk), s);
+ g_signal_connect(s->msg, "got-body",
+ G_CALLBACK(input_soup_got_body), s);
+
+ s->alive = true;
+ s->pause = false;
+ s->eof = false;
+ s->completed = false;
+ s->postponed_error = NULL;
+
+ io_thread_call(input_soup_queue, s);
+
+ return &s->base;
+}
+
+static gpointer
+input_soup_cancel(gpointer data)
+{
+ struct input_soup *s = data;
+
+ if (!s->completed)
+ soup_session_cancel_message(soup_session, s->msg,
+ SOUP_STATUS_CANCELLED);
+
+ return NULL;
+}
+
+static void
+input_soup_close(struct input_stream *is)
+{
+ struct input_soup *s = (struct input_soup *)is;
+
+ g_mutex_lock(s->base.mutex);
+
+ if (!s->completed) {
+ /* the messages's session callback hasn't been invoked
+ yet; cancel it and wait for completion */
+
+ g_mutex_unlock(s->base.mutex);
+
+ io_thread_call(input_soup_cancel, s);
+
+ g_mutex_lock(s->base.mutex);
+ while (!s->completed)
+ g_cond_wait(s->base.cond, s->base.mutex);
+ }
+
+ g_mutex_unlock(s->base.mutex);
+
+ SoupBuffer *buffer;
+ while ((buffer = g_queue_pop_head(s->buffers)) != NULL)
+ soup_buffer_free(buffer);
+ g_queue_free(s->buffers);
+
+ if (s->postponed_error != NULL)
+ g_error_free(s->postponed_error);
+
+ input_stream_deinit(&s->base);
+ g_free(s);
+}
+
+static bool
+input_soup_check(struct input_stream *is, GError **error_r)
+{
+ struct input_soup *s = (struct input_soup *)is;
+
+ bool success = s->postponed_error == NULL;
+ if (!success) {
+ g_propagate_error(error_r, s->postponed_error);
+ s->postponed_error = NULL;
+ }
+
+ return success;
+}
+
+static bool
+input_soup_available(struct input_stream *is)
+{
+ struct input_soup *s = (struct input_soup *)is;
+
+ return s->eof || !s->alive || !g_queue_is_empty(s->buffers);
+}
+
+static size_t
+input_soup_read(struct input_stream *is, void *ptr, size_t size,
+ G_GNUC_UNUSED GError **error_r)
+{
+ struct input_soup *s = (struct input_soup *)is;
+
+ if (!input_soup_wait_data(s)) {
+ assert(!s->alive);
+
+ if (s->postponed_error != NULL) {
+ g_propagate_error(error_r, s->postponed_error);
+ s->postponed_error = NULL;
+ } else
+ g_set_error_literal(error_r, soup_quark(), 0,
+ "HTTP failure");
+ return 0;
+ }
+
+ char *p0 = ptr, *p = p0, *p_end = p0 + size;
+
+ while (p < p_end) {
+ SoupBuffer *buffer = g_queue_pop_head(s->buffers);
+ if (buffer == NULL) {
+ assert(s->current_consumed == 0);
+ break;
+ }
+
+ assert(s->current_consumed < buffer->length);
+ assert(s->total_buffered >= buffer->length);
+
+ const char *q = buffer->data;
+ q += s->current_consumed;
+
+ size_t remaining = buffer->length - s->current_consumed;
+ size_t nbytes = p_end - p;
+ if (nbytes > remaining)
+ nbytes = remaining;
+
+ memcpy(p, q, nbytes);
+ p += nbytes;
+
+ s->current_consumed += remaining;
+ if (s->current_consumed >= buffer->length) {
+ /* done with this buffer */
+ s->total_buffered -= buffer->length;
+ soup_buffer_free(buffer);
+ s->current_consumed = 0;
+ } else {
+ /* partial read */
+ assert(p == p_end);
+
+ g_queue_push_head(s->buffers, buffer);
+ }
+ }
+
+ if (s->pause && s->total_buffered < SOUP_RESUME_AT) {
+ s->pause = false;
+ soup_session_unpause_message(soup_session, s->msg);
+ }
+
+ size_t nbytes = p - p0;
+ s->base.offset += nbytes;
+
+ return nbytes;
+}
+
+static bool
+input_soup_eof(G_GNUC_UNUSED struct input_stream *is)
+{
+ struct input_soup *s = (struct input_soup *)is;
+
+ return !s->alive && g_queue_is_empty(s->buffers);
+}
+
+const struct input_plugin input_plugin_soup = {
+ .name = "soup",
+ .init = input_soup_init,
+ .finish = input_soup_finish,
+
+ .open = input_soup_open,
+ .close = input_soup_close,
+ .check = input_soup_check,
+ .available = input_soup_available,
+ .read = input_soup_read,
+ .eof = input_soup_eof,
+};
diff --git a/src/input/soup_input_plugin.h b/src/input/soup_input_plugin.h
new file mode 100644
index 000000000..689b2d971
--- /dev/null
+++ b/src/input/soup_input_plugin.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2003-2011 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_INPUT_SOUP_H
+#define MPD_INPUT_SOUP_H
+
+extern const struct input_plugin input_plugin_soup;
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 19:47:18 +0000