2 * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
26 #include "dccp_recv.cmdline.h"
28 /* needed by getaddrinfo */
29 #include <sys/types.h>
30 #include <sys/socket.h>
34 #define DCCP_BUFSIZE 4096
37 * data specific to the dccp receiver
39 * \sa receiver receiver_node
41 struct private_dccp_recv_data
{
42 /** the file descriptor for the dccp socket */
47 static void dccp_recv_close(struct receiver_node
*rn
)
50 struct private_dccp_recv_data
*pdd
= rn
->private_data
;
52 if (pdd
&& pdd
->fd
> 0)
56 free(rn
->private_data
);
57 rn
->private_data
= NULL
;
61 static int dccp_recv_open(struct receiver_node
*rn
)
63 struct private_dccp_recv_data
*pdd
;
64 struct gengetopt_args_info
*conf
= rn
->conf
;
69 rn
->buf
= para_calloc(DCCP_BUFSIZE
);
70 rn
->private_data
= para_calloc(sizeof(struct private_dccp_recv_data
));
71 pdd
= rn
->private_data
;
72 ret
= dccp_get_socket();
77 tmp
= make_message("%d", conf
->port_arg
);
78 ret
= getaddrinfo(conf
->host_arg
, tmp
, NULL
, &ai
);
84 ret
= dccp_set_socket(pdd
->fd
);
87 PARA_NOTICE_LOG("connecting to %s:%d\n", conf
->host_arg
, conf
->port_arg
);
88 ret
= -E_DCCP_CONNECT
;
89 if (connect(pdd
->fd
, ai
->ai_addr
, ai
->ai_addrlen
) < 0)
97 static void dccp_shutdown(void)
102 static void *dccp_recv_parse_config(int argc
, char **argv
)
104 struct gengetopt_args_info
*tmp
= para_calloc(sizeof(struct gengetopt_args_info
));
106 if (!dccp_recv_cmdline_parser(argc
, argv
, tmp
))
112 static int dccp_recv_pre_select(struct receiver_node
*rn
, fd_set
*rfds
,
113 __unused fd_set
*wfds
, __unused
struct timeval
*timeout
)
115 struct private_dccp_recv_data
*pdd
= rn
->private_data
;
118 FD_SET(pdd
->fd
, rfds
);
122 static int dccp_recv_post_select(struct receiver_node
*rn
, int select_ret
,
123 fd_set
*rfds
, __unused fd_set
*wfds
)
126 struct private_dccp_recv_data
*pdd
= rn
->private_data
;
128 if (!select_ret
|| !pdd
|| !FD_ISSET(pdd
->fd
, rfds
))
129 return 1; /* nothing to do */
130 if (rn
->loaded
>= DCCP_BUFSIZE
)
131 return -E_DCCP_OVERRUN
;
132 ret
= recv_bin_buffer(pdd
->fd
, rn
->buf
+ rn
->loaded
,
133 DCCP_BUFSIZE
- rn
->loaded
);
141 * the init function of the dccp receiver
143 * \param r pointer to the receiver struct to initialize
145 * Initialize all function pointers of \a r
147 void dccp_recv_init(struct receiver
*r
)
149 r
->shutdown
= dccp_shutdown
;
150 r
->open
= dccp_recv_open
;
151 r
->close
= dccp_recv_close
;
152 r
->pre_select
= dccp_recv_pre_select
;
153 r
->post_select
= dccp_recv_post_select
;
154 r
->parse_config
= dccp_recv_parse_config
;