source: roaraudio/plugins/universal/protocol-echo.c

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Last change on this file was 6052:d48765b2475e, checked in by phi, 8 years ago

updated copyright headers

File size: 2.9 KB
Line 
1//protocol-echo.c:
2
3/*
4 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2011-2015
5 *
6 *  This file is part of roard a part of RoarAudio,
7 *  a cross-platform sound system for both, home and professional use.
8 *  See README for details.
9 *
10 *  This file is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License version 3
12 *  as published by the Free Software Foundation.
13 *
14 *  RoarAudio is distributed in the hope that it will be useful,
15 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
16 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 *  GNU General Public License for more details.
18 *
19 *  You should have received a copy of the GNU General Public License
20 *  along with this software; see the file COPYING.  If not, write to
21 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22 *  Boston, MA 02110-1301, USA.
23 *
24 */
25
26#include <roaraudio.h>
27
28static int _handle(int client, struct roar_vio_calls * vio, struct roar_buffer ** obuffer, void ** userdata, const struct roar_keyval * protopara, ssize_t protoparalen, struct roar_dl_librarypara * pluginpara) {
29 struct roar_buffer * buf;
30 void * data;
31 ssize_t len;
32
33 (void)client, (void)userdata, (void)protopara, (void)protoparalen, (void)pluginpara;
34
35 ROAR_DBG("_handle(client=%i, vio=%p) = ?", client, vio);
36
37 if ( roar_buffer_new_data(&buf, 1024, &data) == -1 )
38  return -1;
39
40 len = roar_vio_read(vio, data, 1024);
41 if ( len < 1 ) {
42  ROAR_DBG("_handle(client=%i, vio=%p) = -1 // error=%s(%i)", client, vio, roar_errorstring, roar_error);
43  return -1;
44 }
45
46 if ( roar_buffer_set_len(buf, len) == -1 ) {
47  ROAR_DBG("_handle(client=%i, vio=%p) = -1 // error=%s(%i)", client, vio, roar_errorstring, roar_error);
48  roar_buffer_free(buf);
49  return -1;
50 }
51
52 if ( roar_buffer_moveintoqueue(obuffer, &buf) == -1 )
53  return -1;
54
55 ROAR_DBG("_handle(client=%i, vio=%p) = 0", client, vio);
56 return 0;
57}
58
59
60static const struct roar_dl_proto proto = {
61 .proto = ROAR_PROTO_ECHO,
62 .description = "Send all data send to the server back to the client",
63 .flags = ROAR_DL_PROTO_FLAGS_NONE,
64 .set_proto = NULL,
65 .unset_proto = NULL,
66 .handle = _handle,
67 .flush = NULL,
68 .flushed = NULL,
69 .status = NULL
70};
71
72static int __reg_proto(struct roar_dl_librarypara * para, struct roar_dl_libraryinst * lib) {
73 (void)para, (void)lib;
74 ROAR_DL_PLUGIN_REG_FN(ROAR_DL_PROTO_SUBTYPE, proto, ROAR_DL_PROTO_VERSION);
75 return 0;
76}
77
78ROAR_DL_PLUGIN_START(protocol_echo) {
79 ROAR_DL_PLUGIN_META_PRODUCT_NIV("protocol-echo", ROAR_VID_ROARAUDIO, ROAR_VNAME_ROARAUDIO);
80 ROAR_DL_PLUGIN_META_VERSION(ROAR_VERSION_STRING);
81 ROAR_DL_PLUGIN_META_LICENSE_TAG(GPLv3_0);
82 ROAR_DL_PLUGIN_META_CONTACT_FLNE("Philipp", "Schafft", "ph3-der-loewe", "lion@lion.leolix.org");
83 ROAR_DL_PLUGIN_META_DESC("Implementation of a dummy protocol sending all data back to the sender");
84
85 ROAR_DL_PLUGIN_REG(ROAR_DL_FN_PROTO, __reg_proto);
86} ROAR_DL_PLUGIN_END
87
88//ll
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