#include <sys/time.h>
#include <dirent.h>
+#include <sys/socket.h>
#include <net/if.h>
#include "server.cmdline.h"
int fd;
/** The list of queued chunks for this fd. */
struct chunk_queue *cq;
+ /** The opaque structure returned by vss_add_fec_client(). */
struct fec_client *fc;
+ /** The FEC parameters for this target. */
struct fec_client_parms fcp;
};
}
add_close_on_fork_list(ut->fd);
ut->cq = cq_new(UDP_CQ_BYTES);
- PARA_NOTICE_LOG("sending to udp %s#%d\n", ut->host, ut->port);
+ PARA_NOTICE_LOG("sending to udp %s#%d using fec parms %d:%d:%d\n",
+ ut->host, ut->port , ut->fcp.max_slice_bytes,
+ ut->fcp.data_slices_per_group, ut->fcp.slices_per_group);
return 1;
}
return ret;
}
-static void udp_add_target(const char *host, int port)
+static void udp_add_target(struct sender_command_data *scd)
{
struct udp_target *ut = para_calloc(sizeof(struct udp_target));
- strncpy(ut->host, host, sizeof(ut->host));
- ut->port = port > 0 ? port : conf.udp_default_port_arg;
+ strncpy(ut->host, scd->host, sizeof(ut->host));
+ ut->port = scd->port > 0 ? scd->port : conf.udp_default_port_arg;
ut->fd = -1; /* not yet connected */
- PARA_INFO_LOG("adding to target list (%s#%d)\n",
- ut->host, ut->port);
+ PARA_INFO_LOG("adding to target list (%s#%d)\n", ut->host, ut->port);
para_list_add(&ut->node, &targets);
- ut->fcp.slices_per_group = 16;
- ut->fcp.data_slices_per_group = 14;
- ut->fcp.max_slice_bytes = 1400;
+ ut->fcp.slices_per_group = scd->slices_per_group;
+ ut->fcp.data_slices_per_group = scd->data_slices_per_group;
+ ut->fcp.max_slice_bytes = scd->max_slice_bytes;
ut->fcp.send = udp_send_fec;
ut->fcp.private_data = ut;
vss_add_fec_client(&ut->fcp, &ut->fc);
static int udp_com_add(struct sender_command_data *scd)
{
- udp_add_target(scd->host, scd->port);
+ udp_add_target(scd);
return 1;
}
list_for_each_entry(ut, &targets, node) {
bool is_v6 = strchr(ut->host, ':') != NULL;
- char *tmp = make_message("%s%s%s%s:%d ", tgts ? : "",
- is_v6 ? "[" : "", ut->host,
- is_v6 ? "]" : "", ut->port);
+ char *tmp = make_message("%s%s%s%s:%d/%u:%u:%u ", tgts ? : "",
+ is_v6 ? "[" : "", ut->host,
+ is_v6 ? "]" : "", ut->port,
+ ut->fcp.max_slice_bytes,
+ ut->fcp.data_slices_per_group,
+ ut->fcp.slices_per_group
+ );
free(tgts);
tgts = tmp;
}
static void udp_init_target_list(void)
{
- char host[MAX_HOSTLEN];
- int port, i;
+ struct sender_command_data scd;
+ int i;
INIT_LIST_HEAD(&targets);
- for (i = 0; i < conf.udp_target_given; i++)
- if (parse_url(conf.udp_target_arg[i], host,
- sizeof(host), &port) == NULL)
+ for (i = 0; i < conf.udp_target_given; i++) {
+ if (parse_fec_url(conf.udp_target_arg[i], &scd) < 0) {
PARA_CRIT_LOG("syntax error for udp target option "
- "#%d, ignoring\n", i);
- else
- udp_add_target(host, port);
+ "#%d, ignoring\n", i);
+ continue;
+ }
+ udp_add_target(&scd);
+ }
}
static char *udp_help(void)
{
return make_message(
"usage: {on|off}\n"
- "usage: {add|delete} host[:port]\n"
+ "usage: {add|delete} host[:port][/packet_size:k:n]\n"
"examples: add 224.0.1.38:1500 (IPv4 multicast)\n"
+ " add 224.0.1.38:1500/1400:14:16\n"
+ " (likewise, using 1400 byte packets, with 14\n"
+ " data slices per 16 slice FEC group)\n"
" add 10.10.1.42 (using default port)\n"
" add [FF05::42]:1500 (IPv6 multicast)\n"
" add [::1] (IPv6 localhost/default port)\n"