#include "server.h"
#include "net.h"
#include "list.h"
-#include "vss.h"
#include "send.h"
+#include "vss.h"
#include "fd.h"
#include "close_on_fork.h"
#include "chunk_queue.h"
#define DCCP_MAX_BYTES_PER_WRITE 1024
static struct sender_status dccp_sender_status, *dss = &dccp_sender_status;
+static struct sender *self;
+
+
+struct dccp_fec_client {
+ struct fec_client_parms fcp;
+ struct fec_client *fc;
+ struct sender_client *sc;
+};
static void dccp_pre_select(int *max_fileno, fd_set *rfds,
__a_unused fd_set *wfds)
return tx_ccid;
}
+static void dccp_shutdown_client(struct sender_client *sc)
+{
+ struct dccp_fec_client *dfc = sc->private_data;
+
+ vss_del_fec_client(dfc->fc);
+ shutdown_client(sc, dss);
+}
+
+static void dccp_shutdown_clients(void)
+{
+ struct sender_client *sc, *tmp;
+
+ list_for_each_entry_safe(sc, tmp, &dss->client_list, node)
+ dccp_shutdown_client(sc);
+}
+
+static int dccp_open(void *client, struct fec_client_parms **fcp)
+{
+ struct dccp_fec_client *dfc = client;
+
+ dfc->fcp.slices_per_group = 4;
+ dfc->fcp.data_slices_per_group = 3;
+ dfc->fcp.max_slice_bytes = 1472;
+ *fcp = &dfc->fcp;
+ return 1;
+}
+
+static int dccp_send_fec(char *buf, size_t len, void *private_data)
+{
+ struct dccp_fec_client *dfc = private_data;
+ int ret = write_nonblock(dfc->sc->fd, buf, len, DCCP_MAX_BYTES_PER_WRITE);
+
+ if (ret < 0)
+ dccp_shutdown_client(dfc->sc);
+ return ret;
+}
+
static void dccp_post_select(fd_set *rfds, __a_unused fd_set *wfds)
{
struct sender_client *sc;
+ struct dccp_fec_client *dfc;
int tx_ccid;
- if (dss->listen_fd < 0 || !FD_ISSET(dss->listen_fd, rfds))
- return;
- sc = accept_sender_client(dss);
+ sc = accept_sender_client(dss, rfds);
if (!sc)
return;
* from the client; by shutting down this unused communication path we can
* reduce processing costs a bit. See analogous comment in dccp_recv.c.
*/
- if (shutdown(sc->fd, SHUT_RD) >= 0)
+ if (shutdown(sc->fd, SHUT_RD) < 0) {
+ PARA_WARNING_LOG("%s\n", strerror(errno));
+ shutdown_client(sc, dss);
return;
- PARA_WARNING_LOG("%s\n", strerror(errno));
- shutdown_client(sc, dss);
-}
-
-static void dccp_send(long unsigned current_chunk,
- __a_unused long unsigned chunks_sent, const char *buf,
- size_t len, const char *header_buf, size_t header_len)
-{
- struct sender_client *sc, *tmp;
-
- list_for_each_entry_safe(sc, tmp, &dss->client_list, node)
- send_chunk(sc, dss, DCCP_MAX_BYTES_PER_WRITE, current_chunk, buf,
- len, header_buf, header_len);
-}
-
-static void dccp_shutdown_clients(void)
-{
- shutdown_clients(dss);
+ }
+ dfc = para_calloc(sizeof(*dfc));
+ sc->private_data = dfc;
+ dfc->sc = sc;
+ vss_add_fec_client(self, dfc, &dfc->fc);
}
static int dccp_com_on(__a_unused struct sender_command_data *scd)
int ret;
s->info = dccp_info;
- s->send = dccp_send;
+ s->send = NULL;
+ s->open = dccp_open;
+ s->send_fec = dccp_send_fec;
s->pre_select = dccp_pre_select;
s->post_select = dccp_post_select;
s->shutdown_clients = dccp_shutdown_clients;
ret = generic_com_on(dss, IPPROTO_DCCP);
if (ret < 0)
PARA_ERROR_LOG("%s\n", para_strerror(-ret));
+ self = s;
}