X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=udp_send.c;h=4fb10b444be321c51e7d33da2442fd6b8a469138;hp=9092985725b5289ee7391eba3df2c12ae4e62844;hb=38c80b2b03dc357fbc28f8ba04764f1e1741078a;hpb=e7f4c5362b313e84bf048b87c35deea21d564a4b diff --git a/udp_send.c b/udp_send.c index 90929857..4fb10b44 100644 --- a/udp_send.c +++ b/udp_send.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2005-2010 Andre Noll + * Copyright (C) 2005-2011 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ @@ -14,6 +14,7 @@ #include #include #include +#include #include "server.cmdline.h" #include "para.h" @@ -30,7 +31,6 @@ #include "fd.h" #include "sched.h" #include "close_on_fork.h" -#include "chunk_queue.h" /** * Time window during which ICMP Destination/Port Unreachable messages are @@ -57,12 +57,8 @@ static void udp_close_target(struct sender_client *sc) const char *buf; size_t len = vss_get_fec_eof_packet(&buf); - if (sc->cq != NULL) { - /* ignore return value, closing the target anyway. */ - (void)write(sc->fd, buf, len); - cq_destroy(sc->cq); - sc->cq = NULL; - } + /* ignore return value, closing the target anyway. */ + (void)write(sc->fd, buf, len); } static void udp_delete_target(struct sender_client *sc, const char *msg) @@ -156,15 +152,9 @@ err: return -ERRNO_TO_PARA_ERROR(errno); } -/** The maximal size of the per-target chunk queue. */ -#define UDP_CQ_BYTES 40000 - static void udp_init_session(struct sender_client *sc) { - if (sc->cq == NULL) { - sc->cq = cq_new(UDP_CQ_BYTES); - PARA_NOTICE_LOG("sending to udp %s\n", sc->name); - } + PARA_NOTICE_LOG("sending to udp %s\n", sc->name); } static void udp_shutdown_targets(void) @@ -290,19 +280,11 @@ static int udp_send_fec(struct sender_client *sc, char *buf, size_t len) if (sender_status == SENDER_OFF) return 0; - if (len == 0 && !cq_peek(sc->cq)) + if (len == 0) return 0; ret = udp_check_socket_state(sc); if (ret < 0) goto fail; - ret = send_queued_chunks(sc->fd, sc->cq); - if (ret < 0) - goto fail; - if (!ret) { /* still data left in the queue */ - ret = cq_force_enqueue(sc->cq, buf, len); - assert(ret >= 0); - return 0; - } ret = write_nonblock(sc->fd, buf, len); if (ret == -ERRNO_TO_PARA_ERROR(ECONNREFUSED)) { /* @@ -313,10 +295,6 @@ static int udp_send_fec(struct sender_client *sc, char *buf, size_t len) } if (ret < 0) goto fail; - if (ret != len) { - ret = cq_force_enqueue(sc->cq, buf + ret, len - ret); - assert(ret >= 0); - } return 1; fail: udp_delete_target(sc, para_strerror(-ret)); @@ -340,6 +318,7 @@ static int udp_com_add(struct sender_command_data *scd) ut->fcp.data_slices_per_group = scd->data_slices_per_group; ut->fcp.init_fec = udp_init_fec; ut->fcp.send_fec = udp_send_fec; + ut->fcp.need_periodic_header = true; sc->private_data = ut; sc->fd = -1;