X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=http_send.c;h=e376c4646cc92554dda73cd906d34f9d2f8e7155;hp=a530a181e5bdc566d731adf4ef268a4fac17bd2f;hb=009e80ae25df7a247a263b5b8e2259c9bdfe20ce;hpb=72d73eb53316768a5a3527cf56afad7158d9ef4d

diff --git a/http_send.c b/http_send.c
index a530a181..e376c464 100644
--- a/http_send.c
+++ b/http_send.c
@@ -77,6 +77,66 @@ static void http_shutdown_clients(void)
 	shutdown_clients(hss);
 }
 
+static int queue_chunk_or_shutdown(struct sender_client *sc,
+		struct sender_status *ss, const char *buf, size_t num_bytes)
+{
+	int ret = cq_enqueue(sc->cq, buf, num_bytes);
+	if (ret < 0)
+		shutdown_client(sc, ss);
+	return ret;
+}
+
+/**
+ * Send one chunk of audio data to a connected client.
+ *
+ * \param sc The client.
+ * \param ss The sender.
+ * \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.
+ */
+static void http_send_chunk(struct sender_client *sc, struct sender_status *ss,
+		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);
+	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);
+	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));
+}
+
 static void http_send(long unsigned current_chunk,
 	__a_unused long unsigned chunks_sent, const char *buf, size_t len,
 	const char *header_buf, size_t header_len)
@@ -87,7 +147,7 @@ static void http_send(long unsigned current_chunk,
 		struct private_http_sender_data *phsd = sc->private_data;
 
 		if (phsd->status == HTTP_STREAMING)
-			send_chunk(sc, hss, current_chunk, buf, len,
+			http_send_chunk(sc, hss, current_chunk, buf, len,
 				   header_buf, header_len);
 	}
 }
@@ -191,6 +251,7 @@ void http_send_init(struct sender *s)
 	s->pre_select = http_pre_select;
 	s->post_select = http_post_select;
 	s->shutdown_clients = http_shutdown_clients;
+	s->resolve_target = NULL;
 	s->help = generic_sender_help;
 	s->client_cmds[SENDER_ON] = http_com_on;
 	s->client_cmds[SENDER_OFF] = http_com_off;