X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp_send.c;fp=dccp_send.c;h=770ac601047a892025724bbb7e677a7d8bcaed18;hp=69ba65f5ef864396e81a722d8e69817a0040166f;hb=e2167286448ce2ed9a01a548e7e9832563035088;hpb=3998a8c581623224b7b56bce593646b2c8516a0f diff --git a/dccp_send.c b/dccp_send.c index 69ba65f5..770ac601 100644 --- a/dccp_send.c +++ b/dccp_send.c @@ -28,9 +28,6 @@ #include "sched.h" #include "vss.h" #include "fd.h" -#include "close_on_fork.h" -#include "chunk_queue.h" -#include "acl.h" static struct sender_status dccp_sender_status, *dss = &dccp_sender_status; @@ -83,6 +80,12 @@ static void dccp_shutdown_clients(void) dccp_shutdown_client(sc); } +static void dccp_shutdown(void) +{ + dccp_shutdown_clients(); + generic_acl_deplete(&dss->acl); +} + /** * Obtain current MPS according to RFC 4340, sec. 14. */ static int dccp_init_fec(struct sender_client *sc) { @@ -215,32 +218,39 @@ static char *dccp_status(void) return result; } -/** - * The init function of the dccp sender. - * - * \param s pointer to the dccp sender struct. - * - * It initializes all function pointers of \a s and starts - * listening on the given port. +/* + * Initialize the client list and the access control list and listen on the + * dccp port. */ -void dccp_send_init(struct sender *s) +static void dccp_send_init(void) { - 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; - init_sender_status(dss, OPT_RESULT(DCCP_ACCESS), OPT_UINT32_VAL(DCCP_PORT), OPT_UINT32_VAL(DCCP_MAX_CLIENTS), OPT_GIVEN(DCCP_DEFAULT_DENY)); generic_com_on(dss, IPPROTO_DCCP); } + +/** + * The DCCP sender. + * + * This sender offers congestion control not available in plain TCP. Most + * methods of the sender structure are implemented as simple wrappers for the + * generic functions defined in \ref send_common.c. Like UDP streams, DCCP + * streams are sent FEC-encoded. + */ +const struct sender dccp_sender = { + .name = "dccp", + .init = dccp_send_init, + .shutdown = dccp_shutdown, + .pre_select = dccp_pre_select, + .post_select = dccp_post_select, + .shutdown_clients = dccp_shutdown_clients, + .client_cmds = { + [SENDER_on] = dccp_com_on, + [SENDER_off] = dccp_com_off, + [SENDER_deny] = dccp_com_deny, + [SENDER_allow] = dccp_com_allow, + }, + .help = generic_sender_help, + .status = dccp_status, +};