1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
/*
* Copyright 2003-2016 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include "CommandError.hxx"
#include "PlaylistError.hxx"
#include "db/DatabaseError.hxx"
#include "LocateUri.hxx"
#include "client/Response.hxx"
#include "util/Error.hxx"
#include "Log.hxx"
#include <system_error>
#include <assert.h>
gcc_const
static enum ack
ToAck(PlaylistResult result)
{
switch (result) {
case PlaylistResult::SUCCESS:
break;
case PlaylistResult::DENIED:
return ACK_ERROR_PERMISSION;
case PlaylistResult::NO_SUCH_SONG:
case PlaylistResult::NO_SUCH_LIST:
return ACK_ERROR_NO_EXIST;
case PlaylistResult::LIST_EXISTS:
return ACK_ERROR_EXIST;
case PlaylistResult::BAD_NAME:
case PlaylistResult::BAD_RANGE:
return ACK_ERROR_ARG;
case PlaylistResult::NOT_PLAYING:
return ACK_ERROR_PLAYER_SYNC;
case PlaylistResult::TOO_LARGE:
return ACK_ERROR_PLAYLIST_MAX;
case PlaylistResult::DISABLED:
break;
}
return ACK_ERROR_UNKNOWN;
}
#ifdef ENABLE_DATABASE
gcc_const
static enum ack
ToAck(DatabaseErrorCode code)
{
switch (code) {
case DatabaseErrorCode::DISABLED:
case DatabaseErrorCode::NOT_FOUND:
return ACK_ERROR_NO_EXIST;
case DatabaseErrorCode::CONFLICT:
return ACK_ERROR_ARG;
}
return ACK_ERROR_UNKNOWN;
}
#endif
gcc_pure
static enum ack
ToAck(const Error &error)
{
if (error.IsDomain(ack_domain)) {
return (enum ack)error.GetCode();
} else if (error.IsDomain(locate_uri_domain)) {
return ACK_ERROR_ARG;
} else if (error.IsDomain(errno_domain)) {
return ACK_ERROR_SYSTEM;
}
return ACK_ERROR_UNKNOWN;
}
CommandResult
print_error(Response &r, const Error &error)
{
assert(error.IsDefined());
LogError(error);
r.Error(ToAck(error), error.GetMessage());
return CommandResult::ERROR;
}
gcc_pure
static enum ack
ToAck(std::exception_ptr ep)
{
try {
std::rethrow_exception(ep);
} catch (const ProtocolError &pe) {
return pe.GetCode();
} catch (const PlaylistError &pe) {
return ToAck(pe.GetCode());
#ifdef ENABLE_DATABASE
} catch (const DatabaseError &de) {
return ToAck(de.GetCode());
#endif
} catch (const std::system_error &e) {
return ACK_ERROR_SYSTEM;
#if defined(__GLIBCXX__) && __GLIBCXX__ < 20151204
} catch (const std::exception &e) {
#else
} catch (const Error &error) {
return ToAck(error);
} catch (...) {
#endif
try {
#if defined(__GLIBCXX__) && __GLIBCXX__ < 20151204
/* workaround for g++ 4.x: no overload for
rethrow_exception(exception_ptr) */
std::rethrow_if_nested(e);
#else
std::rethrow_if_nested(ep);
#endif
return ACK_ERROR_UNKNOWN;
} catch (...) {
return ToAck(std::current_exception());
}
}
}
void
PrintError(Response &r, std::exception_ptr ep)
{
try {
std::rethrow_exception(ep);
} catch (const std::exception &e) {
LogError(e);
r.Error(ToAck(ep), e.what());
} catch (const Error &error) {
print_error(r, error);
} catch (...) {
r.Error(ACK_ERROR_UNKNOWN, "Unknown error");
}
}