CPPFLAGS += @osl_cppflags@
man_pages := $(patsubst %, man/man1/%.1, @executables@)
-man_pages_in := $(patsubst %, web/%.man.in.html, @executables@)
ggo_dir := ggo
object_dir := objects
@[ -z "$(Q)" ] || echo 'GEN $@'
$(Q) ./command_util.sh man < $< > $@
-server_command_lists_ch = server_command_list.c afs_command_list.c \
- server_command_list.h afs_command_list.h
server_command_lists_man = server_command_list.man afs_command_list.man
man/man1/para_server.1: para_server $(server_command_lists_man) | $(man_dir)
@[ -z "$(Q)" ] || echo 'MAN $<'
@[ -z "$(Q)" ] || echo 'LD $@'
$(Q) $(CC) $(LDFLAGS) -o $@ $(gui_objs) -lcurses
-para_audiod: audiod_command_list.c audiod_command_list.h $(audiod_objs)
+para_audiod: $(audiod_objs)
@[ -z "$(Q)" ] || echo 'LD $@'
$(Q) $(CC) $(LDFLAGS) -o $@ $(audiod_objs) @audiod_ldflags@
@[ -z "$(Q)" ] || echo 'LD $@'
$(Q) $(CC) $(LDFLAGS) -o $@ $(fade_objs) @fade_ldflags@
-para_server: $(server_command_lists_ch) $(server_objs)
+para_server: $(server_objs)
@[ -z "$(Q)" ] || echo 'LD $@'
$(Q) $(CC) $(LDFLAGS) -o $@ $(server_objs) @server_ldflags@
0.4.9 (to be announced) "hybrid causality"
------------------------------------------
+Support for another audio format and many small improvements/fixes
+all over the place.
+
+ - Support for flac, the free lossless audio codec.
- Fix for an endless loop in the mp3 decoder for certain
(corrupt) mp3 files.
- autogen.sh now detects a distcc setup and adjusts the
communication between para_server and para_audiod.
- The alsa writer eats up less CPU cycles when configured to
use the DMIX plugin.
+ - Simplified and unified receiver code.
+ - Makefile cleanups.
+ - Commands which print a list of matching audio files now
+ emit a meaningful error message if no audio file matched the
+ given pattern(s).
--------------------------------------
0.4.8 (2011-08-19) "nested assignment"
continue;
if (ret)
return -E_FNMATCH;
- return pmd->action(pmd->table, row, name, pmd->data);
+ ret = pmd->action(pmd->table, row, name, pmd->data);
+ if (ret >= 0)
+ pmd->num_matches++;
+ return ret;
}
return 1;
}
struct osl_object patterns;
/** Data pointer passed to the action function. */
void *data;
+ /** Gets increased by one for each match. */
+ unsigned num_matches;
/** For each matching row, this function will be called. */
int (*action)(struct osl_table *table, struct osl_row *row, const char *name, void *data);
};
prepare_ls_row));
if (ret < 0)
goto out;
- if (!opts->num_matching_paths)
+ if (opts->num_matching_paths == 0) {
+ if (opts->num_patterns > 0)
+ para_printf(&b, "no matches\n");
goto out;
+ }
ret = sort_matching_paths(opts);
if (ret < 0)
goto out;
struct com_touch_options *cto;
/** Message buffer. */
struct para_buffer pb;
- /** How many audio files matched the given pattern. */
- unsigned num_matches;
};
static int touch_audio_file(__a_unused struct osl_table *table,
if (tad->cto->amp >= 0)
new_afsi.amp = tad->cto->amp;
}
- tad->num_matches++;
save_afsi(&new_afsi, &obj); /* in-place update */
aced.aft_row = row;
aced.old_afsi = &old_afsi;
ret = for_each_matching_row(&pmd);
if (ret < 0)
ret2 = para_printf(&tad.pb, "%s\n", para_strerror(-ret));
- else
- if (!tad.num_matches)
- ret2 = para_printf(&tad.pb, "no matches\n");
+ else if (pmd.num_matches == 0)
+ ret2 = para_printf(&tad.pb, "no matches\n");
if (ret2 >= 0 && tad.pb.offset)
pass_buffer_as_shm(tad.pb.buf, tad.pb.offset, &fd);
free(tad.pb.buf);
uint32_t flags;
/** Message buffer. */
struct para_buffer pb;
- /** Number of audio files removed. */
- unsigned num_removed;
};
static int remove_audio_file(__a_unused struct osl_table *table,
ret = osl(osl_del_row(audio_file_table, row));
if (ret < 0)
para_printf(&crd->pb, "%s: %s\n", name, para_strerror(-ret));
- else
- crd->num_removed++;
return ret;
}
para_printf(&crd.pb, "%s\n", para_strerror(-ret));
return;
}
- if (!crd.num_removed && !(crd.flags & RM_FLAG_FORCE))
+ if ((pmd.num_matches == 0) && !(crd.flags & RM_FLAG_FORCE))
ret = para_printf(&crd.pb, "no matches -- nothing removed\n");
- else {
- if (crd.flags & RM_FLAG_VERBOSE)
- ret = para_printf(&crd.pb, "removed %u files\n", crd.num_removed);
+ else if (crd.flags & RM_FLAG_VERBOSE) {
+ ret = para_printf(&crd.pb, "removed %u files\n",
+ pmd.num_matches);
}
if (ret >= 0 && crd.pb.offset)
pass_buffer_as_shm(crd.pb.buf, crd.pb.offset, &fd);
struct cpsi_action_data {
/** command line flags (see \ref cpsi_flags). */
unsigned flags;
- /** Number of audio files changed. */
- unsigned num_copied;
/** Message buffer. */
struct para_buffer pb;
/** Values are copied from here. */
if (cad->flags & CPSI_FLAG_COPY_ATTRIBUTES)
target_afsi.attributes = cad->source_afsi.attributes;
save_afsi(&target_afsi, &target_afsi_obj); /* in-place update */
- cad->num_copied++;
if (cad->flags & CPSI_FLAG_VERBOSE) {
ret = para_printf(&cad->pb, "copied afsi to %s\n", name);
if (ret < 0)
if (ret < 0)
para_printf(&cad.pb, "%s\n", para_strerror(-ret));
else if (cad.flags & CPSI_FLAG_VERBOSE) {
- if (cad.num_copied)
+ if (pmd.num_matches > 0)
para_printf(&cad.pb, "copied requested afsi from %s "
- "to %u files\n", source_path, cad.num_copied);
+ "to %u files\n", source_path, pmd.num_matches);
else
para_printf(&cad.pb, "nothing copied\n");
}
ret = for_each_matching_row(&pmd);
if (ret < 0)
para_printf(&lbad.pb, "%s\n", para_strerror(-ret));
+ else if (pmd.num_matches == 0 && pmd.patterns.size > 0)
+ para_printf(&lbad.pb, "no matches\n");
if (lbad.pb.offset)
pass_buffer_as_shm(lbad.pb.buf, lbad.pb.offset, &fd);
free(lbad.pb.buf);
ret = osl(osl_open_disk_object(table, row, BLOBCOL_DEF, &obj));
if (ret < 0)
- return ret;
- if (obj.size)
- ret = pass_buffer_as_shm(obj.data, obj.size, data);
+ return (ret == osl(-E_OSL_EMPTY))? 0 : ret;
+ assert(obj.size > 0);
+ ret = pass_buffer_as_shm(obj.data, obj.size, data);
ret2 = osl(osl_close_disk_object(&obj));
return (ret < 0)? ret : ret2;
}
.action = cat_blob
};
for_each_matching_row(&pmd);
+ if (pmd.num_matches == 0) {
+ char err_msg[] = "no matches\n";
+ pass_buffer_as_shm(err_msg, sizeof(err_msg), &fd);
+ }
}
static int com_catblob(callback_function *f, struct stream_cipher_context *scc, int argc,
struct rmblob_data {
/** Message buffer. */
struct para_buffer pb;
- /** Number of removed blobs. */
- unsigned num_removed;
};
static int remove_blob(struct osl_table *table, struct osl_row *row,
para_printf(&rmbd->pb, "%s: %s\n", name, para_strerror(-ret));
return ret;
}
- rmbd->num_removed++;
return 1;
}
{
int ret, ret2 = 0;
struct rmblob_data rmbd = {
- .num_removed = 0,
.pb = {
.max_size = shm_get_shmmax(),
.private_data = &fd,
if (ret2 < 0)
goto out;
}
- if (!rmbd.num_removed)
+ if (pmd.num_matches == 0)
ret2 = para_printf(&rmbd.pb, "no matches, nothing removed\n");
else {
- ret2 = para_printf(&rmbd.pb, "removed %d blobs\n", rmbd.num_removed);
+ ret2 = para_printf(&rmbd.pb, "removed %d blobs\n", pmd.num_matches);
afs_event(BLOB_RENAME, NULL, table);
}
out:
#include <grp.h>
#include <sys/time.h>
#include <stdbool.h>
+#include <signal.h>
#include "para.h"
#include "daemon.h"
#include "dccp_recv.cmdline.h"
-/**
- * data specific to the dccp receiver
- *
- * \sa receiver receiver_node
- */
-struct private_dccp_recv_data {
- /** the file descriptor for the dccp socket */
- int fd;
- struct btr_pool *btrp;
-};
-
static void dccp_recv_close(struct receiver_node *rn)
{
- struct private_dccp_recv_data *pdd = rn->private_data;
-
- if (!pdd)
- return;
- if (pdd->fd > 0)
- close(pdd->fd);
- btr_pool_free(pdd->btrp);
- free(pdd);
- rn->private_data = NULL;
+ if (rn->fd > 0)
+ close(rn->fd);
+ btr_pool_free(rn->btrp);
}
static int dccp_recv_open(struct receiver_node *rn)
{
- struct private_dccp_recv_data *pdd;
struct dccp_recv_args_info *conf = rn->conf;
struct flowopts *fo = NULL;
uint8_t *ccids = NULL;
ret = mark_fd_nonblocking(fd);
if (ret < 0)
goto err;
- rn->private_data = pdd = para_calloc(sizeof(struct private_dccp_recv_data));
- pdd->btrp = btr_pool_new("dccp_recv", 320 * 1024);
- pdd->fd = fd;
+ rn->btrp = btr_pool_new("dccp_recv", 320 * 1024);
+ rn->fd = fd;
return 1;
err:
close(fd);
static void dccp_recv_pre_select(struct sched *s, struct task *t)
{
struct receiver_node *rn = container_of(t, struct receiver_node, task);
- struct private_dccp_recv_data *pdd = rn->private_data;
t->error = 0;
if (generic_recv_pre_select(s, t) <= 0)
return;
- para_fd_set(pdd->fd, &s->rfds, &s->max_fileno);
+ para_fd_set(rn->fd, &s->rfds, &s->max_fileno);
}
static void dccp_recv_post_select(struct sched *s, struct task *t)
{
struct receiver_node *rn = container_of(t, struct receiver_node, task);
- struct private_dccp_recv_data *pdd = rn->private_data;
struct btr_node *btrn = rn->btrn;
struct iovec iov[2];
int ret, iovcnt;
ret = btr_node_status(btrn, 0, BTR_NT_ROOT);
if (ret <= 0)
goto out;
- iovcnt = btr_pool_get_buffers(pdd->btrp, iov);
+ iovcnt = btr_pool_get_buffers(rn->btrp, iov);
ret = -E_DCCP_OVERRUN;
if (iovcnt == 0)
goto out;
- ret = readv_nonblock(pdd->fd, iov, iovcnt, &s->rfds, &num_bytes);
+ ret = readv_nonblock(rn->fd, iov, iovcnt, &s->rfds, &num_bytes);
if (num_bytes == 0)
goto out;
if (num_bytes <= iov[0].iov_len) /* only the first buffer was filled */
- btr_add_output_pool(pdd->btrp, num_bytes, btrn);
+ btr_add_output_pool(rn->btrp, num_bytes, btrn);
else { /* both buffers contain data */
- btr_add_output_pool(pdd->btrp, iov[0].iov_len, btrn);
- btr_add_output_pool(pdd->btrp, num_bytes - iov[0].iov_len, btrn);
+ btr_add_output_pool(rn->btrp, iov[0].iov_len, btrn);
+ btr_add_output_pool(rn->btrp, num_bytes - iov[0].iov_len, btrn);
}
out:
if (ret >= 0)
* \sa receiver::open, receiver_node.
*/
enum http_recv_status status;
- /**
- * The file descriptor used for receiving the http stream.
- *
- * The pre_select function of the http receiver adds this file descriptor to
- * the set of file descriptors which are checked for reading/writing (depending
- * on the current status) by the select loop of the application (para_audiod or
- * para_recv).
- *
- * The post_select function of the http receiver uses \a fd, if ready, to
- * establish the http connection, and updates \a status according to the new
- * state of the connection. As soon as \a status is \p HTTP_STREAMING, \a fd is
- * going to be only checked for reading. If data is available, it is read into
- * the output buffer of the receiver node by post_select.
- *
- * \sa receiver::pre_select receiver::post_select receiver_node, http_recv_status
- */
- int fd;
- struct btr_pool *btrp;
};
static char *make_request_msg(void)
if (generic_recv_pre_select(s, t) <= 0)
return;
if (phd->status == HTTP_CONNECTED)
- para_fd_set(phd->fd, &s->wfds, &s->max_fileno);
+ para_fd_set(rn->fd, &s->wfds, &s->max_fileno);
else
- para_fd_set(phd->fd, &s->rfds, &s->max_fileno);
+ para_fd_set(rn->fd, &s->rfds, &s->max_fileno);
}
+/*
+ * Establish the http connection. If already established, fill the buffer pool
+ * area with data read from the socket. In any case, update the state of the
+ * connection if necessary.
+ */
static void http_recv_post_select(struct sched *s, struct task *t)
{
struct receiver_node *rn = container_of(t, struct receiver_node, task);
struct private_http_recv_data *phd = rn->private_data;
struct btr_node *btrn = rn->btrn;
- int ret;
- char *buf;
- size_t sz, n;
+ int ret, iovcnt;
+ struct iovec iov[2];
+ size_t num_bytes;
t->error = 0;
ret = btr_node_status(btrn, 0, BTR_NT_ROOT);
if (ret < 0)
- goto err;
+ goto out;
if (ret == 0)
return;
if (phd->status == HTTP_CONNECTED) {
char *rq;
- if (!FD_ISSET(phd->fd, &s->wfds))
+ if (!FD_ISSET(rn->fd, &s->wfds))
return;
rq = make_request_msg();
PARA_INFO_LOG("sending http request\n");
- ret = send_va_buffer(phd->fd, "%s", rq);
+ ret = send_va_buffer(rn->fd, "%s", rq);
free(rq);
if (ret < 0)
- goto err;
+ goto out;
phd->status = HTTP_SENT_GET_REQUEST;
return;
}
if (phd->status == HTTP_SENT_GET_REQUEST) {
- ret = read_pattern(phd->fd, HTTP_OK_MSG, strlen(HTTP_OK_MSG), &s->rfds);
+ ret = read_pattern(rn->fd, HTTP_OK_MSG, strlen(HTTP_OK_MSG), &s->rfds);
if (ret < 0)
- goto err;
+ goto out;
if (ret == 0)
return;
PARA_INFO_LOG("received ok msg, streaming\n");
return;
}
ret = -E_HTTP_RECV_OVERRUN;
- sz = btr_pool_get_buffer(phd->btrp, &buf);
- if (sz == 0)
- goto err;
- ret = read_nonblock(phd->fd, buf, sz, &s->rfds, &n);
- if (n > 0)
- btr_add_output_pool(phd->btrp, n, btrn);
+ iovcnt = btr_pool_get_buffers(rn->btrp, iov);
+ if (iovcnt == 0)
+ goto out;
+ ret = readv_nonblock(rn->fd, iov, iovcnt, &s->rfds, &num_bytes);
+ if (num_bytes == 0)
+ goto out;
+ if (num_bytes <= iov[0].iov_len) /* only the first buffer was filled */
+ btr_add_output_pool(rn->btrp, num_bytes, btrn);
+ else { /* both buffers contain data */
+ btr_add_output_pool(rn->btrp, iov[0].iov_len, btrn);
+ btr_add_output_pool(rn->btrp, num_bytes - iov[0].iov_len, btrn);
+ }
+out:
if (ret >= 0)
return;
-err:
btr_remove_node(rn->btrn);
t->error = ret;
}
static void http_recv_close(struct receiver_node *rn)
{
- struct private_http_recv_data *phd = rn->private_data;
-
- close(phd->fd);
- btr_pool_free(phd->btrp);
+ close(rn->fd);
+ btr_pool_free(rn->btrp);
free(rn->private_data);
}
return ret;
}
rn->private_data = phd = para_calloc(sizeof(struct private_http_recv_data));
- phd->fd = fd;
+ rn->fd = fd;
phd->status = HTTP_CONNECTED;
- phd->btrp = btr_pool_new("http_recv", 320 * 1024);
+ rn->btrp = btr_pool_new("http_recv", 320 * 1024);
return 1;
}
struct task task;
/** The receiver node is always the root of the buffer tree. */
struct btr_node *btrn;
+ /** Each receiver node maintains a buffer pool for the received data. */
+ struct btr_pool *btrp;
+ /**
+ * The file descriptor to receive the stream.
+ *
+ * The pre_select function of the receiver adds this file descriptor to
+ * the set of file descriptors which are watched for readability or
+ * writability, depending on the state of the connection (if any).
+ *
+ * If \a fd is readable, the post_select function of the receiver reads
+ * data from this fd into the buffer pool area of \a btrp.
+ *
+ * \sa \ref receiver.
+ */
+ int fd;
};
/**
#include "fd.h"
#include "buffer_tree.h"
-/**
- * Data specific to the udp receiver.
- *
- * \sa \ref receiver, \ref receiver_node.
- */
-struct private_udp_recv_data {
- /** The socket file descriptor. */
- int fd;
- struct btr_pool *btrp;
-};
-
static void udp_recv_pre_select(struct sched *s, struct task *t)
{
struct receiver_node *rn = container_of(t, struct receiver_node, task);
- struct private_udp_recv_data *purd = rn->private_data;
if (generic_recv_pre_select(s, t) <= 0)
return;
- para_fd_set(purd->fd, &s->rfds, &s->max_fileno);
+ para_fd_set(rn->fd, &s->rfds, &s->max_fileno);
}
static int udp_check_eof(size_t sz, struct iovec iov[2])
static void udp_recv_post_select(__a_unused struct sched *s, struct task *t)
{
struct receiver_node *rn = container_of(t, struct receiver_node, task);
- struct private_udp_recv_data *purd = rn->private_data;
struct btr_node *btrn = rn->btrn;
size_t num_bytes;
struct iovec iov[2];
ret = btr_node_status(btrn, 0, BTR_NT_ROOT);
if (ret <= 0)
goto out;
- iovcnt = btr_pool_get_buffers(purd->btrp, iov);
+ iovcnt = btr_pool_get_buffers(rn->btrp, iov);
ret = -E_UDP_OVERRUN;
if (iovcnt == 0)
goto out;
- ret = readv_nonblock(purd->fd, iov, iovcnt, &s->rfds, &num_bytes);
+ ret = readv_nonblock(rn->fd, iov, iovcnt, &s->rfds, &num_bytes);
if (num_bytes == 0)
goto out;
readv_ret = ret;
if (ret < 0)
goto out;
if (iov[0].iov_len >= num_bytes)
- btr_add_output_pool(purd->btrp, num_bytes, btrn);
+ btr_add_output_pool(rn->btrp, num_bytes, btrn);
else { /* both buffers contain data */
- btr_add_output_pool(purd->btrp, iov[0].iov_len, btrn);
- btr_add_output_pool(purd->btrp, num_bytes - iov[0].iov_len,
+ btr_add_output_pool(rn->btrp, iov[0].iov_len, btrn);
+ btr_add_output_pool(rn->btrp, num_bytes - iov[0].iov_len,
btrn);
}
ret = readv_ret;
return;
btr_remove_node(btrn);
t->error = ret;
- close(purd->fd);
- purd->fd = -1;
+ close(rn->fd);
+ rn->fd = -1;
}
static void udp_recv_close(struct receiver_node *rn)
{
- struct private_udp_recv_data *purd = rn->private_data;
-
- if (purd->fd >= 0)
- close(purd->fd);
- btr_pool_free(purd->btrp);
- free(rn->private_data);
+ if (rn->fd >= 0)
+ close(rn->fd);
+ btr_pool_free(rn->btrp);
}
static void *udp_recv_parse_config(int argc, char **argv)
static int udp_recv_open(struct receiver_node *rn)
{
- struct private_udp_recv_data *purd;
struct udp_recv_args_info *c = rn->conf;
char *iface = c->iface_given ? c->iface_arg : NULL;
int ret;
- rn->private_data = para_calloc(sizeof(struct private_udp_recv_data));
- purd = rn->private_data;
-
ret = makesock(IPPROTO_UDP, 1, c->host_arg, c->port_arg, NULL);
if (ret < 0)
goto err;
- purd->fd = ret;
+ rn->fd = ret;
- ret = mcast_receiver_setup(purd->fd, iface);
+ ret = mcast_receiver_setup(rn->fd, iface);
if (ret < 0) {
- close(purd->fd);
+ close(rn->fd);
goto err;
}
- ret = mark_fd_nonblocking(purd->fd);
+ ret = mark_fd_nonblocking(rn->fd);
if (ret < 0) {
- close(purd->fd);
+ close(rn->fd);
goto err;
}
PARA_INFO_LOG("receiving from %s:%d, fd=%d\n", c->host_arg,
- c->port_arg, purd->fd);
- purd->btrp = btr_pool_new("udp_recv", 320 * 1024);
- return purd->fd;
+ c->port_arg, rn->fd);
+ rn->btrp = btr_pool_new("udp_recv", 320 * 1024);
+ return rn->fd;
err:
- free(rn->private_data);
return ret;
}