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oss output works

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@15 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-06-15 00:29:01 +00:00
parent bfcde99a8f
commit 1a5060720d
12 changed files with 207 additions and 100 deletions
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105
src/protocol-simple.c
View file

@ -66,53 +66,73 @@ static void client_kill_cb(struct client *client, void*userdata) {
destroy_connection(c);
}
static int do_read(struct connection *c) {
struct memchunk chunk;
ssize_t r;
if (!iochannel_is_readable(c->io))
return 0;
if (!c->istream || !memblockq_is_writable(c->istream->memblockq, BUFSIZE))
return 0;
chunk.memblock = memblock_new(BUFSIZE);
assert(chunk.memblock);
if ((r = iochannel_read(c->io, chunk.memblock->data, BUFSIZE)) <= 0) {
fprintf(stderr, "read(): %s\n", r == 0 ? "EOF" : strerror(errno));
memblock_unref(chunk.memblock);
return -1;
}
chunk.memblock->length = r;
chunk.length = r;
chunk.index = 0;
memblockq_push(c->istream->memblockq, &chunk, 0);
input_stream_notify_sink(c->istream);
memblock_unref(chunk.memblock);
return 0;
}
static int do_write(struct connection *c) {
struct memchunk chunk;
ssize_t r;
if (!iochannel_is_writable(c->io))
return 0;
if (!c->ostream)
return 0;
memblockq_peek(c->ostream->memblockq, &chunk);
assert(chunk.memblock && chunk.length);
if ((r = iochannel_write(c->io, chunk.memblock->data+chunk.index, chunk.length)) < 0) {
fprintf(stderr, "write(): %s\n", strerror(errno));
memblock_unref(chunk.memblock);
return -1;
}
memblockq_drop(c->ostream->memblockq, r);
memblock_unref(chunk.memblock);
return 0;
}
static void io_callback(struct iochannel*io, void *userdata) {
struct connection *c = userdata;
assert(io && c);
assert(io && c && c->io == io);
if (c->istream && iochannel_is_readable(io)) {
struct memchunk chunk;
ssize_t r;
if (do_read(c) < 0 || do_write(c) < 0)
destroy_connection(c);
}
chunk.memblock = memblock_new(BUFSIZE);
assert(chunk.memblock);
if ((r = iochannel_read(io, chunk.memblock->data, BUFSIZE)) <= 0) {
fprintf(stderr, "read(): %s\n", r == 0 ? "EOF" : strerror(errno));
memblock_unref(chunk.memblock);
goto fail;
}
chunk.memblock->length = r;
chunk.length = r;
chunk.index = 0;
memblockq_push(c->istream->memblockq, &chunk, 0);
input_stream_notify_sink(c->istream);
memblock_unref(chunk.memblock);
}
if (c->ostream && iochannel_is_writable(io)) {
struct memchunk chunk;
ssize_t r;
memblockq_peek(c->ostream->memblockq, &chunk);
assert(chunk.memblock && chunk.length);
if ((r = iochannel_write(io, chunk.memblock->data+chunk.index, chunk.length)) < 0) {
fprintf(stderr, "write(): %s\n", strerror(errno));
memblock_unref(chunk.memblock);
goto fail;
}
memblockq_drop(c->ostream->memblockq, r);
memblock_unref(chunk.memblock);
}
return;
static void istream_notify_cb(struct input_stream *i, void *userdata) {
struct connection*c = userdata;
assert(i && c && c->istream == i);
fail:
destroy_connection(c);
if (do_read(c) < 0)
destroy_connection(c);
}
static void on_connection(struct socket_server*s, struct iochannel *io, void *userdata) {
@ -155,6 +175,7 @@ static void on_connection(struct socket_server*s, struct iochannel *io, void *us
c->istream = input_stream_new(sink, &DEFAULT_SAMPLE_SPEC, c->client->name);
assert(c->istream);
input_stream_set_kill_callback(c->istream, istream_kill_cb, c);
input_stream_set_notify_callback(c->istream, istream_notify_cb, c);
}