f56f58cbb2932ca95c0056f96df30ec5150b7519
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
;