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
|
/*
This file is part of GNUnet
(C) 2008--2012 Christian Grothoff (and other contributing authors)
GNUnet 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 3, or (at your
option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/**
* @file testbed/testbed_api_services.c
* @brief convenience functions for accessing services
* @author Christian Grothoff
*/
#include "platform.h"
#include "testbed_api.h"
#include "testbed_api_peers.h"
#include "testbed_api_operations.h"
struct ServiceConnectData
{
/**
* helper function callback to establish the connection
*/
GNUNET_TESTBED_ConnectAdapter ca;
/**
* helper function callback to close the connection
*/
GNUNET_TESTBED_DisconnectAdapter da;
/**
* Closure to the above callbacks
*/
void *cada_cls;
/**
* Service name
*/
char *service_name;
/**
* Closure for operation event
*/
void *op_cls;
};
/**
* Context information for forwarded operation used in service connect
*/
struct SCFOContext
{
};
/**
* Function called when a service connect operation is ready
*
* @param cls the closure from GNUNET_TESTBED_operation_create_()
*/
static void
opstart_service_connect (void *cls)
{
GNUNET_break (0);
}
/**
* Callback which will be called when service connect type operation is
* released
*
* @param cls the closure from GNUNET_TESTBED_operation_create_()
*/
static void
oprelease_service_connect (void *cls)
{
GNUNET_break (0);
}
/**
* Connect to a service offered by the given peer. Will ensure that
* the request is queued to not overwhelm our ability to create and
* maintain connections with other systems. The actual service
* handle is then returned via the 'op_result' member in the event
* callback. The 'ca' callback is used to create the connection
* when the time is right; the 'da' callback will be used to
* destroy the connection (upon 'GNUNET_TESTBED_operation_done').
* 'GNUNET_TESTBED_operation_cancel' can be used to abort this
* operation until the event callback has been called.
*
* @param op_cls closure to pass in operation event
* @param peer peer that runs the service
* @param service_name name of the service to connect to
* @param ca helper function to establish the connection
* @param da helper function to close the connection
* @param cada_cls closure for ca and da
* @return handle for the operation
*/
struct GNUNET_TESTBED_Operation *
GNUNET_TESTBED_service_connect (void *op_cls,
struct GNUNET_TESTBED_Peer *peer,
const char *service_name,
GNUNET_TESTBED_ConnectAdapter ca,
GNUNET_TESTBED_DisconnectAdapter da,
void *cada_cls)
{
struct OperationContext *opc;
struct ServiceConnectData *data;
data = GNUNET_malloc (sizeof (struct ServiceConnectData));
data->ca = ca;
data->da = da;
data->cada_cls = cada_cls;
data->op_cls = op_cls;
opc = GNUNET_malloc (sizeof (struct OperationContext));
opc->data = data;
opc->c = peer->controller;
opc->id = peer->controller->operation_counter++;
opc->type = OP_SERVICE_CONNECT;
opc->op = GNUNET_TESTBED_operation_create_ (opc, &opstart_service_connect,
&oprelease_service_connect);
GNUNET_TESTBED_operation_queue_insert_
(opc->c->opq_parallel_service_connections, opc->op);
GNUNET_TESTBED_operation_queue_insert_ (opc->c->opq_parallel_operations,
opc->op);
return opc->op;
}
/* end of testbed_api_services.c */
|
