1 | //service-about.c: |
---|
2 | |
---|
3 | /* |
---|
4 | * Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2013 |
---|
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 <roard/include/roard.h> |
---|
27 | |
---|
28 | static ssize_t __list(int * ids, size_t len) { |
---|
29 | struct roar_client * c; |
---|
30 | size_t i, j; |
---|
31 | |
---|
32 | if ( g_counters.cur.clients > len ) { |
---|
33 | roar_err_set(ROAR_ERROR_NOSPC); |
---|
34 | return -1; |
---|
35 | } |
---|
36 | |
---|
37 | for (j = i = 0; i < ROAR_CLIENTS_MAX && j < len; i++) |
---|
38 | if ( clients_get(i, &c) == 0 ) |
---|
39 | ids[j++] = i; |
---|
40 | |
---|
41 | return j; |
---|
42 | } |
---|
43 | |
---|
44 | static ssize_t __num(enum roar_service_num what) { |
---|
45 | switch (what) { |
---|
46 | case ROAR_SERVICE_NUM_DEFAULT: |
---|
47 | case ROAR_SERVICE_NUM_CURRENT: |
---|
48 | return g_counters.cur.clients; |
---|
49 | break; |
---|
50 | case ROAR_SERVICE_NUM_BUFFER: |
---|
51 | if ( ((double)g_counters.cur.clients * 1.5) > ROAR_CLIENTS_MAX ) |
---|
52 | return ROAR_CLIENTS_MAX; |
---|
53 | return (double)g_counters.cur.clients * 1.25; |
---|
54 | break; |
---|
55 | #ifndef DEBUG |
---|
56 | default: break; |
---|
57 | #endif |
---|
58 | } |
---|
59 | roar_err_set(ROAR_ERROR_NOTSUP); |
---|
60 | return -1; |
---|
61 | } |
---|
62 | |
---|
63 | static int __get(int id, struct roar_client * client) { |
---|
64 | struct roar_client * c; |
---|
65 | |
---|
66 | if ( client == NULL ) { |
---|
67 | roar_err_set(ROAR_ERROR_FAULT); |
---|
68 | return -1; |
---|
69 | } |
---|
70 | |
---|
71 | if ( clients_get(id, &c) == -1 ) |
---|
72 | return -1; |
---|
73 | |
---|
74 | memcpy(client, c, sizeof(struct roar_client)); |
---|
75 | client->acl = NULL; |
---|
76 | |
---|
77 | return 0; |
---|
78 | } |
---|
79 | |
---|
80 | static int __status(int id) { |
---|
81 | struct roar_dl_librarypara * pluginpara; |
---|
82 | const struct roard_proto_handle * proto; |
---|
83 | struct roar_client_server * cs; |
---|
84 | struct roar_vio_calls vio; |
---|
85 | int ret, err; |
---|
86 | |
---|
87 | if ( clients_get_server(id, &cs) == -1 ) |
---|
88 | return -1; |
---|
89 | |
---|
90 | if ( (proto = clients_get_protohandle(ROAR_CLIENT(cs)->proto)) == NULL ) |
---|
91 | return -1; |
---|
92 | |
---|
93 | if ( proto->lhandle != NULL ) |
---|
94 | roar_dl_context_restore(proto->lhandle); |
---|
95 | |
---|
96 | pluginpara = roar_dl_getpara(proto->lhandle); |
---|
97 | |
---|
98 | switch (proto->type) { |
---|
99 | case ROARD_PROTO_TYPE_COMMON: |
---|
100 | if ( proto->impl.common->status == NULL ) { |
---|
101 | ret = -1; |
---|
102 | err = ROAR_ERROR_NOSYS; |
---|
103 | } else { |
---|
104 | roar_vio_open_fh_socket(&vio, clients_get_fh(id)); |
---|
105 | ret = proto->impl.common->status(id, &vio, &(cs->outbuf), &(cs->protoinst), proto->para, proto->paralen, pluginpara); |
---|
106 | } |
---|
107 | break; |
---|
108 | default: |
---|
109 | ret = -1; |
---|
110 | err = ROAR_ERROR_NOSYS; |
---|
111 | break; |
---|
112 | } |
---|
113 | |
---|
114 | if ( pluginpara != NULL ) |
---|
115 | roar_dl_para_unref(pluginpara); |
---|
116 | |
---|
117 | if ( proto->lhandle != NULL ) |
---|
118 | roar_dl_context_store(proto->lhandle); |
---|
119 | |
---|
120 | roar_err_set(err); |
---|
121 | return ret; |
---|
122 | } |
---|
123 | |
---|
124 | static int __set_ids(int id, int clear, int pid, int uid, int gid) { |
---|
125 | struct roar_client * c; |
---|
126 | |
---|
127 | // just to check if the client exist. |
---|
128 | if ( clients_get(id, &c) == -1 ) |
---|
129 | return -1; |
---|
130 | |
---|
131 | // TODO: add proper error handling here. |
---|
132 | |
---|
133 | if ( pid != -1 || clear ) |
---|
134 | clients_set_pid(id, pid); |
---|
135 | |
---|
136 | if ( uid != -1 || clear ) |
---|
137 | clients_set_uid(id, uid); |
---|
138 | |
---|
139 | if ( gid != -1 || clear ) |
---|
140 | clients_set_gid(id, gid); |
---|
141 | |
---|
142 | return 0; |
---|
143 | } |
---|
144 | |
---|
145 | static int __set_proto(int id, int proto) { |
---|
146 | (void)id, (void)proto; |
---|
147 | |
---|
148 | roar_err_set(ROAR_ERROR_NOSYS); |
---|
149 | return -1; |
---|
150 | } |
---|
151 | |
---|
152 | |
---|
153 | static struct roar_service_client api = { |
---|
154 | .list = __list, |
---|
155 | .num = __num, |
---|
156 | .get = __get, |
---|
157 | .kick = (int(*)(int id, int error, const char * msg))clients_delete, |
---|
158 | .status = __status, |
---|
159 | |
---|
160 | .set_ids = __set_ids, |
---|
161 | .set_name = clients_set_name, |
---|
162 | .set_proto = __set_proto, /* dummy */ |
---|
163 | .exec = client_stream_exec |
---|
164 | }; |
---|
165 | |
---|
166 | ROAR_DL_PLUGIN_REG_SERVICES_GET_API(get_api, api) |
---|
167 | |
---|
168 | static const struct roar_dl_service service[1] = { |
---|
169 | { |
---|
170 | .appname = NULL, |
---|
171 | .appabi = NULL, |
---|
172 | .servicename = ROAR_SERVICE_CLIENT_NAME, |
---|
173 | .serviceabi = ROAR_SERVICE_CLIENT_ABI, |
---|
174 | .description = "Access to client management", |
---|
175 | .flags = ROAR_DL_SERVICE_FLAGS_NONE, |
---|
176 | .userdata = NULL, |
---|
177 | .get_api = get_api |
---|
178 | } |
---|
179 | }; |
---|
180 | |
---|
181 | ROAR_DL_PLUGIN_REG_SERVICES(service); |
---|
182 | |
---|
183 | ROAR_DL_PLUGIN_START(service_client) { |
---|
184 | ROAR_DL_PLUGIN_META_PRODUCT_NIV("service-client", ROAR_VID_ROARAUDIO, ROAR_VNAME_ROARAUDIO); |
---|
185 | ROAR_DL_PLUGIN_META_VERSION(ROAR_VERSION_STRING); |
---|
186 | ROAR_DL_PLUGIN_META_LICENSE_TAG(GPLv3_0); |
---|
187 | ROAR_DL_PLUGIN_META_CONTACT_FLNE("Philipp", "Schafft", "ph3-der-loewe", "lion@lion.leolix.org"); |
---|
188 | ROAR_DL_PLUGIN_META_DESC("This plugin provides an interface to client control features of roard."); |
---|
189 | ROAR_DL_PLUGIN_REG_FNFUNC(ROAR_DL_FN_SERVICE); |
---|
190 | } ROAR_DL_PLUGIN_END |
---|
191 | |
---|
192 | //ll |
---|