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-rw-r--r--src/transport/transport_api_offer_hello.c142
1 files changed, 0 insertions, 142 deletions
diff --git a/src/transport/transport_api_offer_hello.c b/src/transport/transport_api_offer_hello.c
deleted file mode 100644
index eb342f57c..000000000
--- a/src/transport/transport_api_offer_hello.c
+++ /dev/null
@@ -1,142 +0,0 @@
1/*
2 This file is part of GNUnet.
3 Copyright (C) 2009-2013, 2016 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your 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 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20
21/**
22 * @file transport/transport_api_offer_hello.c
23 * @brief library to offer HELLOs to transport service
24 * @author Christian Grothoff
25 */
26#include "platform.h"
27#include "gnunet_util_lib.h"
28#include "gnunet_hello_lib.h"
29#include "gnunet_protocols.h"
30#include "gnunet_transport_service.h"
31
32
33/**
34 * Entry in linked list for all offer-HELLO requests.
35 */
36struct GNUNET_TRANSPORT_OfferHelloHandle
37{
38 /**
39 * Transport service handle we use for transmission.
40 */
41 struct GNUNET_MQ_Handle *mq;
42
43 /**
44 * Function to call once we are done.
45 */
46 GNUNET_SCHEDULER_TaskCallback cont;
47
48 /**
49 * Closure for @e cont
50 */
51 void *cls;
52};
53
54
55/**
56 * Done sending HELLO message to the service, notify application.
57 *
58 * @param cls the handle for the operation
59 */
60static void
61finished_hello (void *cls)
62{
63 struct GNUNET_TRANSPORT_OfferHelloHandle *ohh = cls;
64
65 if (NULL != ohh->cont)
66 ohh->cont (ohh->cls);
67 GNUNET_TRANSPORT_offer_hello_cancel (ohh);
68}
69
70
71/**
72 * Offer the transport service the HELLO of another peer. Note that
73 * the transport service may just ignore this message if the HELLO is
74 * malformed or useless due to our local configuration.
75 *
76 * @param cfg configuration
77 * @param hello the hello message
78 * @param cont continuation to call when HELLO has been sent,
79 * tc reason #GNUNET_SCHEDULER_REASON_TIMEOUT for fail
80 * tc reasong #GNUNET_SCHEDULER_REASON_READ_READY for success
81 * @param cont_cls closure for @a cont
82 * @return a `struct GNUNET_TRANSPORT_OfferHelloHandle` handle or NULL on failure,
83 * in case of failure @a cont will not be called
84 *
85 */
86struct GNUNET_TRANSPORT_OfferHelloHandle *
87GNUNET_TRANSPORT_offer_hello (const struct GNUNET_CONFIGURATION_Handle *cfg,
88 const struct GNUNET_MessageHeader *hello,
89 GNUNET_SCHEDULER_TaskCallback cont,
90 void *cont_cls)
91{
92 struct GNUNET_TRANSPORT_OfferHelloHandle *ohh
93 = GNUNET_new (struct GNUNET_TRANSPORT_OfferHelloHandle);
94 struct GNUNET_MQ_Envelope *env;
95 struct GNUNET_PeerIdentity peer;
96
97 if (GNUNET_OK !=
98 GNUNET_HELLO_get_id ((const struct GNUNET_HELLO_Message *) hello,
99 &peer))
100 {
101 GNUNET_break (0);
102 GNUNET_free (ohh);
103 return NULL;
104 }
105 ohh->mq = GNUNET_CLIENT_connect (cfg,
106 "transport",
107 NULL,
108 NULL,
109 ohh);
110 if (NULL == ohh->mq)
111 {
112 GNUNET_free (ohh);
113 return NULL;
114 }
115 ohh->cont = cont;
116 ohh->cls = cont_cls;
117 GNUNET_break (ntohs (hello->type) == GNUNET_MESSAGE_TYPE_HELLO);
118 env = GNUNET_MQ_msg_copy (hello);
119 GNUNET_MQ_notify_sent (env,
120 &finished_hello,
121 ohh);
122 GNUNET_MQ_send (ohh->mq,
123 env);
124 return ohh;
125}
126
127
128/**
129 * Cancel the request to transport to offer the HELLO message
130 *
131 * @param ohh the handle for the operation to cancel
132 */
133void
134GNUNET_TRANSPORT_offer_hello_cancel (struct
135 GNUNET_TRANSPORT_OfferHelloHandle *ohh)
136{
137 GNUNET_MQ_destroy (ohh->mq);
138 GNUNET_free (ohh);
139}
140
141
142/* end of transport_api_offer_hello.c */