X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=udp_send.c;h=6ed5026ac31102932d4fb3b23e6e87d375002096;hp=4fb10b444be321c51e7d33da2442fd6b8a469138;hb=a713c13d1089170828403e98c57d3fba9aedf9a4;hpb=a365b8263a0d7a1673699bdf454677c95b38eb95 diff --git a/udp_send.c b/udp_send.c index 4fb10b44..6ed5026a 100644 --- a/udp_send.c +++ b/udp_send.c @@ -1,20 +1,22 @@ /* - * Copyright (C) 2005-2011 Andre Noll + * Copyright (C) 2005-2014 Andre Noll * * Licensed under the GPL v2. For licencing details see COPYING. */ /** \file udp_send.c Para_server's udp sender. */ - +#include +#include #include -#include -#include +#include #include #include #include +#include +#include #include -#include +#include #include "server.cmdline.h" #include "para.h" @@ -25,11 +27,11 @@ #include "server.h" #include "list.h" #include "send.h" +#include "sched.h" #include "vss.h" #include "portable_io.h" #include "net.h" #include "fd.h" -#include "sched.h" #include "close_on_fork.h" /** @@ -57,8 +59,13 @@ static void udp_close_target(struct sender_client *sc) const char *buf; size_t len = vss_get_fec_eof_packet(&buf); - /* ignore return value, closing the target anyway. */ - (void)write(sc->fd, buf, len); + /* + * Ignore the return value of wirte() since we are closing the target + * anyway. The sole purpose of the "do_nothing" statement is to silence + * gcc. + */ + if (write(sc->fd, buf, len)) + do_nothing; } static void udp_delete_target(struct sender_client *sc, const char *msg) @@ -274,18 +281,18 @@ static int udp_check_socket_state(struct sender_client *sc) return -ERRNO_TO_PARA_ERROR(ret); } -static int udp_send_fec(struct sender_client *sc, char *buf, size_t len) +static void udp_send_fec(struct sender_client *sc, char *buf, size_t len) { int ret; if (sender_status == SENDER_OFF) - return 0; + return; if (len == 0) - return 0; + return; ret = udp_check_socket_state(sc); if (ret < 0) goto fail; - ret = write_nonblock(sc->fd, buf, len); + ret = xwrite(sc->fd, buf, len); if (ret == -ERRNO_TO_PARA_ERROR(ECONNREFUSED)) { /* * Happens if meanwhile an ICMP Destination / Port Unreachable @@ -295,10 +302,9 @@ static int udp_send_fec(struct sender_client *sc, char *buf, size_t len) } if (ret < 0) goto fail; - return 1; + return; fail: udp_delete_target(sc, para_strerror(-ret)); - return ret; } static int udp_com_add(struct sender_command_data *scd)