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author | Christian Grothoff <christian@grothoff.org> | 2017-01-09 08:35:43 +0100 |
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committer | Christian Grothoff <christian@grothoff.org> | 2017-01-09 21:17:27 +0100 |
commit | 4a99ca1c3eaa4587c9dfbb01790b306014347bce (patch) | |
tree | e48eec6d7a3c15ffb2fcc35887c13bd019b3e106 /src/core | |
parent | fa960b4f0d98235888fbaf5edfca2858ee102a34 (diff) | |
download | gnunet-4a99ca1c3eaa4587c9dfbb01790b306014347bce.tar.gz gnunet-4a99ca1c3eaa4587c9dfbb01790b306014347bce.zip |
dead code elimination
Diffstat (limited to 'src/core')
-rw-r--r-- | src/core/core_api_mq.c | 191 |
1 files changed, 0 insertions, 191 deletions
diff --git a/src/core/core_api_mq.c b/src/core/core_api_mq.c deleted file mode 100644 index 12c7a3bdd..000000000 --- a/src/core/core_api_mq.c +++ /dev/null | |||
@@ -1,191 +0,0 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2009-2014 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 3, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | ||
18 | Boston, MA 02110-1301, USA. | ||
19 | */ | ||
20 | /** | ||
21 | * @file core/core_api_mq.c | ||
22 | * @brief MQ support for core service | ||
23 | * @author Christian Grothoff | ||
24 | * @author Florian Dold | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_util_lib.h" | ||
28 | #include "gnunet_constants.h" | ||
29 | #include "gnunet_core_service.h" | ||
30 | #include "core.h" | ||
31 | |||
32 | #define LOG(kind,...) GNUNET_log_from (kind, "core-api",__VA_ARGS__) | ||
33 | |||
34 | |||
35 | /** | ||
36 | * Internal state of a GNUNET-MQ queue for CORE. | ||
37 | */ | ||
38 | struct CoreMQState | ||
39 | { | ||
40 | /** | ||
41 | * Which peer does this queue target? | ||
42 | */ | ||
43 | struct GNUNET_PeerIdentity target; | ||
44 | |||
45 | /** | ||
46 | * Handle to the CORE service used by this MQ. | ||
47 | */ | ||
48 | struct GNUNET_CORE_Handle *core; | ||
49 | |||
50 | /** | ||
51 | * Transmission handle (if in use). | ||
52 | */ | ||
53 | struct GNUNET_CORE_TransmitHandle *th; | ||
54 | }; | ||
55 | |||
56 | |||
57 | /** | ||
58 | * Function called to notify a client about the connection | ||
59 | * begin ready to queue more data. @a buf will be | ||
60 | * NULL and @a size zero if the connection was closed for | ||
61 | * writing in the meantime. | ||
62 | * | ||
63 | * @param cls closure | ||
64 | * @param size number of bytes available in @a buf | ||
65 | * @param buf where the callee should write the message | ||
66 | * @return number of bytes written to @a buf | ||
67 | */ | ||
68 | static size_t | ||
69 | core_mq_ntr (void *cls, size_t size, | ||
70 | void *buf) | ||
71 | { | ||
72 | struct GNUNET_MQ_Handle *mq = cls; | ||
73 | struct CoreMQState *mqs = GNUNET_MQ_impl_state (mq); | ||
74 | const struct GNUNET_MessageHeader *mh = GNUNET_MQ_impl_current (mq); | ||
75 | size_t msg_size = ntohs (mh->size); | ||
76 | |||
77 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
78 | "ntr called (size %u, type %u)\n", | ||
79 | msg_size, | ||
80 | ntohs (mh->type)); | ||
81 | mqs->th = NULL; | ||
82 | if (NULL == buf) | ||
83 | { | ||
84 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
85 | "send error\n"); | ||
86 | GNUNET_MQ_inject_error (mq, GNUNET_MQ_ERROR_WRITE); | ||
87 | return 0; | ||
88 | } | ||
89 | GNUNET_memcpy (buf, mh, msg_size); | ||
90 | GNUNET_MQ_impl_send_continue (mq); | ||
91 | return msg_size; | ||
92 | } | ||
93 | |||
94 | |||
95 | /** | ||
96 | * Signature of functions implementing the | ||
97 | * sending functionality of a message queue. | ||
98 | * | ||
99 | * @param mq the message queue | ||
100 | * @param msg the message to send | ||
101 | * @param impl_state state of the implementation | ||
102 | */ | ||
103 | static void | ||
104 | core_mq_send (struct GNUNET_MQ_Handle *mq, | ||
105 | const struct GNUNET_MessageHeader *msg, | ||
106 | void *impl_state) | ||
107 | { | ||
108 | struct CoreMQState *mqs = impl_state; | ||
109 | |||
110 | GNUNET_assert (NULL == mqs->th); | ||
111 | LOG (GNUNET_ERROR_TYPE_DEBUG, | ||
112 | "Sending queued message (size %u)\n", | ||
113 | ntohs (msg->size)); | ||
114 | mqs->th = GNUNET_CORE_notify_transmit_ready (mqs->core, GNUNET_YES, 0, | ||
115 | GNUNET_TIME_UNIT_FOREVER_REL, | ||
116 | &mqs->target, | ||
117 | ntohs (msg->size), | ||
118 | &core_mq_ntr, mq); | ||
119 | } | ||
120 | |||
121 | |||
122 | /** | ||
123 | * Signature of functions implementing the | ||
124 | * destruction of a message queue. | ||
125 | * Implementations must not free @a mq, but should | ||
126 | * take care of @a impl_state. | ||
127 | * | ||
128 | * @param mq the message queue to destroy | ||
129 | * @param impl_state state of the implementation | ||
130 | */ | ||
131 | static void | ||
132 | core_mq_destroy (struct GNUNET_MQ_Handle *mq, | ||
133 | void *impl_state) | ||
134 | { | ||
135 | struct CoreMQState *mqs = impl_state; | ||
136 | |||
137 | if (NULL != mqs->th) | ||
138 | { | ||
139 | GNUNET_CORE_notify_transmit_ready_cancel (mqs->th); | ||
140 | mqs->th = NULL; | ||
141 | } | ||
142 | GNUNET_free (mqs); | ||
143 | } | ||
144 | |||
145 | |||
146 | /** | ||
147 | * Implementation function that cancels the currently sent message. | ||
148 | * | ||
149 | * @param mq message queue | ||
150 | * @param impl_state state specific to the implementation | ||
151 | */ | ||
152 | static void | ||
153 | core_mq_cancel (struct GNUNET_MQ_Handle *mq, | ||
154 | void *impl_state) | ||
155 | { | ||
156 | struct CoreMQState *mqs = impl_state; | ||
157 | |||
158 | GNUNET_assert (NULL != mqs->th); | ||
159 | GNUNET_CORE_notify_transmit_ready_cancel (mqs->th); | ||
160 | } | ||
161 | |||
162 | |||
163 | /** | ||
164 | * Create a message queue for sending messages to a peer with CORE. | ||
165 | * Messages may only be queued with #GNUNET_MQ_send once the init callback has | ||
166 | * been called for the given handle. | ||
167 | * There must only be one queue per peer for each core handle. | ||
168 | * The message queue can only be used to transmit messages, | ||
169 | * not to receive them. | ||
170 | * | ||
171 | * @param h the core handle | ||
172 | * @param target the target peer for this queue, may not be NULL | ||
173 | * @return a message queue for sending messages over the core handle | ||
174 | * to the target peer | ||
175 | */ | ||
176 | struct GNUNET_MQ_Handle * | ||
177 | GNUNET_CORE_mq_create (struct GNUNET_CORE_Handle *h, | ||
178 | const struct GNUNET_PeerIdentity *target) | ||
179 | { | ||
180 | struct CoreMQState *mqs = GNUNET_new (struct CoreMQState); | ||
181 | |||
182 | mqs->core = h; | ||
183 | mqs->target = *target; | ||
184 | return GNUNET_MQ_queue_for_callbacks (&core_mq_send, | ||
185 | &core_mq_destroy, | ||
186 | &core_mq_cancel, | ||
187 | mqs, | ||
188 | NULL, NULL, NULL); | ||
189 | } | ||
190 | |||
191 | /* end of core_api_mq.c */ | ||