X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp_send.c;h=92dd933347d2c48d857355da34c13673da54968b;hp=77bee09783ad2cd46b7a55a70722b2dc5ffc4c93;hb=5e8d8a8eea6de9459ebdf4498f9f061c84bfa63a;hpb=1fa9dbea57d2dbc5d9b728a83a583c3a8f675410

diff --git a/dccp_send.c b/dccp_send.c
index 77bee097..92dd9333 100644
--- a/dccp_send.c
+++ b/dccp_send.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2006-2010 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006 Andre Noll <maan@tuebingen.mpg.de>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -11,20 +11,23 @@
  * (C) 2005 Ian McDonald <imcdnzl@gmail.com>
  */
 
+#include <netinet/in.h>
+#include <sys/socket.h>
 #include <regex.h>
 #include <sys/types.h>
-#include <dirent.h>
-#include <osl.h>
+#include <arpa/inet.h>
+#include <sys/un.h>
+#include <netdb.h>
 
 #include "para.h"
 #include "error.h"
 #include "string.h"
 #include "afh.h"
-#include "afs.h"
 #include "server.h"
 #include "net.h"
 #include "list.h"
 #include "send.h"
+#include "sched.h"
 #include "vss.h"
 #include "fd.h"
 #include "close_on_fork.h"
@@ -97,16 +100,17 @@ static int dccp_init_fec(struct sender_client *sc)
 	}
 	PARA_INFO_LOG("current MPS = %d bytes\n", mps);
 	assert(mps > 0);
+	if (conf.dccp_max_slice_size_arg > 0)
+		mps = PARA_MIN(mps, conf.dccp_max_slice_size_arg);
 	return mps;
 }
 
-static int dccp_send_fec(struct sender_client *sc, char *buf, size_t len)
+static void dccp_send_fec(struct sender_client *sc, char *buf, size_t len)
 {
-	int ret = write_nonblock(sc->fd, buf, len, 0);
+	int ret = xwrite(sc->fd, buf, len);
 
 	if (ret < 0)
 		dccp_shutdown_client(sc);
-	return ret;
 }
 
 static void dccp_post_select(fd_set *rfds, __a_unused fd_set *wfds)
@@ -139,10 +143,11 @@ static void dccp_post_select(fd_set *rfds, __a_unused fd_set *wfds)
 	}
 	dfc = para_calloc(sizeof(*dfc));
 	sc->private_data = dfc;
-	dfc->fcp.slices_per_group	= 4;
-	dfc->fcp.data_slices_per_group	= 3;
+	dfc->fcp.data_slices_per_group	= conf.dccp_data_slices_per_group_arg;
+	dfc->fcp.slices_per_group	= conf.dccp_slices_per_group_arg;
 	dfc->fcp.init_fec		= dccp_init_fec;
 	dfc->fcp.send_fec		= dccp_send_fec;
+	dfc->fcp.need_periodic_header   = false;
 	dfc->fc = vss_add_fec_client(sc, &dfc->fcp);
 }
 
@@ -153,6 +158,7 @@ static int dccp_com_on(__a_unused struct sender_command_data *scd)
 
 static int dccp_com_off(__a_unused struct sender_command_data *scd)
 {
+	dccp_shutdown_clients();
 	generic_com_off(dss);
 	return 1;
 }
@@ -191,13 +197,13 @@ static const char *dccp_list_available_ccids(void)
 	return list;
 }
 
-static char *dccp_info(void)
+static char *dccp_status(void)
 {
-	char *info = get_sender_info(dss, "dccp");
-	char *ret  = make_message("%s" "\tsupported ccids: %s\n",
-				  info, dccp_list_available_ccids());
-	free(info);
-	return ret;
+	char *status = generic_sender_status(dss, "dccp");
+	char *result = make_message("%ssupported ccids: %s\n", status,
+		dccp_list_available_ccids());
+	free(status);
+	return result;
 }
 
 /**
@@ -210,20 +216,30 @@ static char *dccp_info(void)
  */
 void dccp_send_init(struct sender *s)
 {
-	int ret;
+	int ret, k, n;
 
-	s->info = dccp_info;
+	s->status = dccp_status;
 	s->send = NULL;
 	s->pre_select = dccp_pre_select;
 	s->post_select = dccp_post_select;
 	s->shutdown_clients = dccp_shutdown_clients;
+	s->resolve_target = NULL;
 	s->help = generic_sender_help;
-	s->client_cmds[SENDER_ON] = dccp_com_on;
-	s->client_cmds[SENDER_OFF] = dccp_com_off;
-	s->client_cmds[SENDER_DENY] = dccp_com_deny;
-	s->client_cmds[SENDER_ALLOW] = dccp_com_allow;
-	s->client_cmds[SENDER_ADD] = NULL;
-	s->client_cmds[SENDER_DELETE] = NULL;
+	s->client_cmds[SENDER_on] = dccp_com_on;
+	s->client_cmds[SENDER_off] = dccp_com_off;
+	s->client_cmds[SENDER_deny] = dccp_com_deny;
+	s->client_cmds[SENDER_allow] = dccp_com_allow;
+	s->client_cmds[SENDER_add] = NULL;
+	s->client_cmds[SENDER_delete] = NULL;
+
+	k = conf.dccp_data_slices_per_group_arg;
+	n = conf.dccp_slices_per_group_arg;
+
+	if (k <= 0 || n <= 0 || k >= n) {
+		PARA_WARNING_LOG("invalid FEC parameters, using defaults\n");
+		conf.dccp_data_slices_per_group_arg = 3;
+		conf.dccp_slices_per_group_arg = 4;
+	}
 
 	init_sender_status(dss, conf.dccp_access_arg, conf.dccp_access_given,
 		conf.dccp_port_arg, conf.dccp_max_clients_arg,