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.
20 * based on client.c of dccp-cs-0.01.tar.bz2,
21 * (C) 2005 Ian McDonald <imcdnzl@gmail.com>
31 #include "dccp_recv.cmdline.h"
33 /* needed by getaddrinfo */
34 #include <sys/types.h>
35 #include <sys/socket.h>
39 #define DCCP_BUFSIZE 4096
42 * data specific to the dccp receiver
44 * \sa receiver receiver_node
46 struct private_dccp_recv_data {
47 /** the file descriptor for the dccp socket */
52 static void dccp_recv_close(struct receiver_node *rn)
55 struct private_dccp_recv_data *pdd = rn->private_data;
57 if (pdd && pdd->fd > 0)
61 free(rn->private_data);
62 rn->private_data = NULL;
66 static int dccp_recv_open(struct receiver_node *rn)
68 struct private_dccp_recv_data *pdd;
69 struct gengetopt_args_info *conf = rn->conf;
74 rn->buf = para_calloc(DCCP_BUFSIZE);
75 rn->private_data = para_calloc(sizeof(struct private_dccp_recv_data));
76 pdd = rn->private_data;
77 ret = dccp_get_socket();
82 tmp = make_message("%d", conf->port_arg);
83 ret = getaddrinfo(conf->host_arg, tmp, NULL, &ai);
89 ret = dccp_set_socket(pdd->fd);
92 PARA_NOTICE_LOG("connecting to %s:%d\n", conf->host_arg, conf->port_arg);
93 ret = -E_DCCP_CONNECT;
94 if (connect(pdd->fd, ai->ai_addr, ai->ai_addrlen) < 0)
102 static void dccp_shutdown(void)
104 ; /* nothing to do */
107 static void *dccp_recv_parse_config(int argc, char **argv)
109 struct gengetopt_args_info *tmp = para_calloc(sizeof(struct gengetopt_args_info));
111 if (!dccp_recv_cmdline_parser(argc, argv, tmp))
117 static int dccp_recv_pre_select(struct receiver_node *rn, fd_set *rfds,
118 __unused fd_set *wfds, __unused struct timeval *timeout)
120 struct private_dccp_recv_data *pdd = rn->private_data;
123 FD_SET(pdd->fd, rfds);
127 static int dccp_recv_post_select(struct receiver_node *rn, int select_ret,
128 fd_set *rfds, __unused fd_set *wfds)
131 struct private_dccp_recv_data *pdd = rn->private_data;
133 if (!select_ret || !pdd || !FD_ISSET(pdd->fd, rfds))
134 return 1; /* nothing to do */
135 if (rn->loaded >= DCCP_BUFSIZE)
136 return -E_DCCP_OVERRUN;
137 ret = recv_bin_buffer(pdd->fd, rn->buf + rn->loaded,
138 DCCP_BUFSIZE - rn->loaded);
146 * the init function of the dccp receiver
148 * \param r pointer to the receiver struct to initialize
150 * Initialize all function pointers of \a r
152 void dccp_recv_init(struct receiver *r)
154 r->shutdown = dccp_shutdown;
155 r->open = dccp_recv_open;
156 r->close = dccp_recv_close;
157 r->pre_select = dccp_recv_pre_select;
158 r->post_select = dccp_recv_post_select;
159 r->parse_config = dccp_recv_parse_config;