8 #include "dccp_recv.cmdline.h"
10 /* needed by getaddrinfo */
11 #include <sys/types.h>
12 #include <sys/socket.h>
16 #define DCCP_BUFSIZE 4096
19 * data specific to the dccp receiver
21 * \sa receiver receiver_node
23 struct private_dccp_recv_data {
24 /** the file descriptor for the dccp socket */
29 static void dccp_recv_close(struct receiver_node *rn)
32 struct private_dccp_recv_data *pdd = rn->private_data;
34 if (pdd && pdd->fd > 0)
38 free(rn->private_data);
39 rn->private_data = NULL;
43 static int dccp_recv_open(struct receiver_node *rn)
45 struct private_dccp_recv_data *pdd;
46 struct gengetopt_args_info *conf = rn->conf;
51 rn->buf = para_calloc(DCCP_BUFSIZE);
52 rn->private_data = para_calloc(sizeof(struct private_dccp_recv_data));
53 pdd = rn->private_data;
54 ret = dccp_get_socket();
59 tmp = make_message("%d", conf->port_arg);
60 ret = getaddrinfo(conf->host_arg, tmp, NULL, &ai);
66 ret = dccp_set_socket(pdd->fd);
69 PARA_NOTICE_LOG("connecting to %s:%d\n", conf->host_arg, conf->port_arg);
70 ret = -E_DCCP_CONNECT;
71 if (connect(pdd->fd, ai->ai_addr, ai->ai_addrlen) < 0)
79 static void dccp_shutdown(void)
84 static void *dccp_recv_parse_config(int argc, char **argv)
86 struct gengetopt_args_info *tmp = para_calloc(sizeof(struct gengetopt_args_info));
88 if (!dccp_recv_cmdline_parser(argc, argv, tmp))
94 static int dccp_recv_pre_select(struct receiver_node *rn, fd_set *rfds,
95 __unused fd_set *wfds, __unused struct timeval *timeout)
97 struct private_dccp_recv_data *pdd = rn->private_data;
100 FD_SET(pdd->fd, rfds);
104 static int dccp_recv_post_select(struct receiver_node *rn, int select_ret,
105 fd_set *rfds, __unused fd_set *wfds)
108 struct private_dccp_recv_data *pdd = rn->private_data;
110 if (!select_ret || !pdd || !FD_ISSET(pdd->fd, rfds))
111 return 1; /* nothing to do */
112 if (rn->loaded >= DCCP_BUFSIZE)
113 return -E_DCCP_OVERRUN;
114 ret = recv_bin_buffer(pdd->fd, rn->buf + rn->loaded,
115 DCCP_BUFSIZE - rn->loaded);
123 * the init function of the dccp receiver
125 * \param r pointer to the receiver struct to initialize
127 * Initialize all function pointers of \a r
129 void dccp_recv_init(struct receiver *r)
131 r->shutdown = dccp_shutdown;
132 r->open = dccp_recv_open;
133 r->close = dccp_recv_close;
134 r->pre_select = dccp_recv_pre_select;
135 r->post_select = dccp_recv_post_select;
136 r->parse_config = dccp_recv_parse_config;