-/**
- * Send one chunk of audio data to a connected client.
- *
- * \param sc The client.
- * \param ss The sender.
- * \param max_bytes_per_write Split writes to chunks of at most that many bytes.
- * \param current_chunk The number of the chunk to write.
- * \param buf The data to write.
- * \param len The number of bytes of \a buf.
- * \param header_buf The audio file header.
- * \param header_len The number of bytes of \a header_buf.
- *
- * On errors, the client is shut down. If only a part of the buffer could be
- * written, the remainder is put into the chunk queue for that client.
- */
-void send_chunk(struct sender_client *sc, struct sender_status *ss,
- size_t max_bytes_per_write, long unsigned current_chunk,
- const char *buf, size_t len, const char *header_buf,
- size_t header_len)
-{
- int ret;
-
- if (!sc->header_sent && current_chunk) {
- if (header_buf && header_len > 0) {
- ret = queue_chunk_or_shutdown(sc, ss, header_buf, header_len);
- if (ret < 0)
- goto out;
- }
- sc->header_sent = 1;
- }
- ret = send_queued_chunks(sc->fd, sc->cq, max_bytes_per_write);
- if (ret < 0) {
- shutdown_client(sc, ss);
- goto out;
- }
- if (!len)
- goto out;
- if (!ret) { /* still data left in the queue */
- ret = queue_chunk_or_shutdown(sc, ss, buf, len);
- goto out;
- }
- ret = write_nonblock(sc->fd, buf, len, max_bytes_per_write);
- if (ret < 0) {
- shutdown_client(sc, ss);
- goto out;
- }
- if (ret != len)
- ret = queue_chunk_or_shutdown(sc, ss, buf + ret, len - ret);
-out:
- if (ret < 0)
- PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
-}
-