X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=udp_recv.c;h=0c5a3abf3fd58546ea187fee33516bd761973731;hp=f68a7100b99128a29ed18cd3e5fe04b2b4263327;hb=d17f43b13cffb458a9931e878086e3d2caa28d25;hpb=ff63e4b709e037fda044beae858f494e2868e7d7

diff --git a/udp_recv.c b/udp_recv.c
index f68a7100..0c5a3abf 100644
--- a/udp_recv.c
+++ b/udp_recv.c
@@ -33,6 +33,7 @@
 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)
@@ -100,8 +101,6 @@ success:
 	t->error = 1;
 }
 
-#define UDP_RECV_READ_BUF_SIZE 1500
-
 static void udp_recv_post_select_btr(__a_unused struct sched *s, struct task *t)
 {
 	struct receiver_node *rn = container_of(t, struct receiver_node, task);
@@ -109,7 +108,7 @@ static void udp_recv_post_select_btr(__a_unused struct sched *s, struct task *t)
 	struct btr_node *btrn = rn->btrn;
 	int ret;
 	char *buf = NULL;
-	size_t packet_size;
+	size_t packet_size, bufsize;
 
 	t->error = 0;
 	ret = btr_node_status(btrn, 0, BTR_NT_ROOT);
@@ -119,8 +118,11 @@ static void udp_recv_post_select_btr(__a_unused struct sched *s, struct task *t)
 		return;
 	if (!FD_ISSET(purd->fd, &s->rfds))
 		return;
-	buf = para_malloc(UDP_RECV_READ_BUF_SIZE);
-	ret = recv_bin_buffer(purd->fd, buf, UDP_RECV_READ_BUF_SIZE);
+	bufsize = btr_pool_get_buffer(purd->btrp, &buf);
+	ret = -E_UDP_OVERRUN;
+	if (bufsize == 0)
+		goto err;
+	ret = recv_bin_buffer(purd->fd, buf, bufsize);
 	if (ret == 0)
 		ret = -E_RECV_EOF;
 	if (ret < 0)
@@ -128,16 +130,19 @@ static void udp_recv_post_select_btr(__a_unused struct sched *s, struct task *t)
 	packet_size = ret;
 	if (packet_size >= FEC_EOF_PACKET_LEN) {
 		if (!memcmp(buf, FEC_EOF_PACKET, FEC_EOF_PACKET_LEN)) {
+			PARA_CRIT_LOG("%p: eof\n", rn);
 			ret = -E_RECV_EOF;
 			goto err;
 		}
 	}
-	btr_add_output(buf, ret, btrn);
+	btr_pool_allocate(purd->btrp, packet_size);
+	btr_add_output_pool(purd->btrp, buf, packet_size, btrn);
 	return;
 err:
-	free(buf);
 	btr_remove_node(btrn);
 	t->error = ret;
+	close(purd->fd);
+	purd->fd = -1;
 }
 
 static void udp_recv_post_select(__a_unused struct sched *s, struct task *t)
@@ -159,9 +164,10 @@ static void udp_recv_close(struct receiver_node *rn)
 
 	if (purd->fd >= 0)
 		close(purd->fd);
+	PARA_CRIT_LOG("%p: close\n", rn);
+	btr_pool_free(purd->btrp);
 	free(rn->private_data);
 	free(rn->buf);
-	udp_recv_cmdline_parser_free(rn->conf);
 }
 
 static void *udp_recv_parse_config(int argc, char **argv)
@@ -261,10 +267,13 @@ static int udp_recv_open(struct receiver_node *rn)
 	}
 
 	ret = mark_fd_nonblocking(purd->fd);
-	if (ret < 0)
+	if (ret < 0) {
+		close(purd->fd);
 		goto err;
-	PARA_NOTICE_LOG("receiving from %s:%d, fd=%d\n", c->host_arg,
+	}
+	PARA_CRIT_LOG("rn %p: receiving from %s:%d, fd=%d\n", rn, c->host_arg,
 		c->port_arg, purd->fd);
+	purd->btrp = btr_pool_new(320 * 1024);
 	return purd->fd;
 err:
 	free(rn->private_data);