/*
- * Copyright (C) 2005-2011 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2005 Andre Noll <maan@tuebingen.mpg.de>
*
* Licensed under the GPL v2. For licencing details see COPYING.
*/
/** \file udp_send.c Para_server's udp sender. */
-
-#include <regex.h>
-#include <sys/time.h>
-#include <dirent.h>
+#include <netinet/in.h>
#include <sys/socket.h>
+#include <regex.h>
+#include <sys/types.h>
#include <netinet/udp.h>
#include <net/if.h>
-#include <osl.h>
-#include <stdbool.h>
+#include <arpa/inet.h>
+#include <sys/un.h>
+#include <netdb.h>
#include "server.cmdline.h"
#include "para.h"
#include "error.h"
#include "string.h"
#include "afh.h"
-#include "afs.h"
#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"
/**
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 write() 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)
return -ERRNO_TO_PARA_ERROR(errno);
}
-static void udp_init_session(struct sender_client *sc)
-{
- PARA_NOTICE_LOG("sending to udp %s\n", sc->name);
-}
-
static void udp_shutdown_targets(void)
{
struct sender_client *sc, *tmp;
{
int mps;
- udp_init_session(sc);
+ PARA_NOTICE_LOG("sending to udp %s\n", sc->name);
mps = generic_max_transport_msg_size(sc->fd) - sizeof(struct udphdr);
PARA_INFO_LOG("current MPS = %d bytes\n", mps);
return mps;
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
}
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)
return ret;
}
-static char *udp_info(void)
+static char *udp_status(void)
{
struct sender_client *sc;
char *ret, *tgts = NULL;
tgts = tmp;
}
ret = make_message(
- "udp sender:\n"
- "\tstatus: %s\n"
- "\tport: %s\n"
- "\ttargets: %s\n",
+ "status: %s\n"
+ "port: %s\n"
+ "targets: %s\n",
(sender_status == SENDER_ON)? "on" : "off",
stringify_port(conf.udp_default_port_arg, "udp"),
tgts? tgts : "(none)"
void udp_send_init(struct sender *s)
{
INIT_LIST_HEAD(&targets);
- s->info = udp_info;
+ s->status = udp_status;
s->help = udp_help;
s->send = NULL;
s->pre_select = NULL;