1 /*
2 Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
3
4 This file is part of libzmq, the ZeroMQ core engine in C++.
5
6 libzmq is free software; you can redistribute it and/or modify it under
7 the terms of the GNU Lesser General Public License (LGPL) as published
8 by the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 As a special exception, the Contributors give you permission to link
12 this library with independent modules to produce an executable,
13 regardless of the license terms of these independent modules, and to
14 copy and distribute the resulting executable under terms of your choice,
15 provided that you also meet, for each linked independent module, the
16 terms and conditions of the license of that module. An independent
17 module is a module which is not derived from or based on this library.
18 If you modify this library, you must extend this exception to your
19 version of the library.
20
21 libzmq is distributed in the hope that it will be useful, but WITHOUT
22 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
23 FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
24 License for more details.
25
26 You should have received a copy of the GNU Lesser General Public License
27 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 */
29 #include "precompiled.hpp"
30
31 #include "vmci.hpp"
32
33 #if defined ZMQ_HAVE_VMCI
34
35 #include <cassert>
36 #include <vmci_sockets.h>
37
tune_vmci_buffer_size(ctx_t * context_,fd_t sockfd_,uint64_t default_size_,uint64_t min_size_,uint64_t max_size_)38 void zmq::tune_vmci_buffer_size (ctx_t *context_,
39 fd_t sockfd_,
40 uint64_t default_size_,
41 uint64_t min_size_,
42 uint64_t max_size_)
43 {
44 int family = context_->get_vmci_socket_family ();
45 assert (family != -1);
46
47 if (default_size_ != 0) {
48 int rc = setsockopt (sockfd_, family, SO_VMCI_BUFFER_SIZE,
49 (char *) &default_size_, sizeof default_size_);
50 #if defined ZMQ_HAVE_WINDOWS
51 wsa_assert (rc != SOCKET_ERROR);
52 #else
53 errno_assert (rc == 0);
54 #endif
55 }
56
57 if (min_size_ != 0) {
58 int rc = setsockopt (sockfd_, family, SO_VMCI_BUFFER_SIZE,
59 (char *) &min_size_, sizeof min_size_);
60 #if defined ZMQ_HAVE_WINDOWS
61 wsa_assert (rc != SOCKET_ERROR);
62 #else
63 errno_assert (rc == 0);
64 #endif
65 }
66
67 if (max_size_ != 0) {
68 int rc = setsockopt (sockfd_, family, SO_VMCI_BUFFER_SIZE,
69 (char *) &max_size_, sizeof max_size_);
70 #if defined ZMQ_HAVE_WINDOWS
71 wsa_assert (rc != SOCKET_ERROR);
72 #else
73 errno_assert (rc == 0);
74 #endif
75 }
76 }
77
78 #if defined ZMQ_HAVE_WINDOWS
tune_vmci_connect_timeout(ctx_t * context_,fd_t sockfd_,DWORD timeout_)79 void zmq::tune_vmci_connect_timeout (ctx_t *context_,
80 fd_t sockfd_,
81 DWORD timeout_)
82 #else
83 void zmq::tune_vmci_connect_timeout (ctx_t *context_,
84 fd_t sockfd_,
85 struct timeval timeout_)
86 #endif
87 {
88 int family = context_->get_vmci_socket_family ();
89 assert (family != -1);
90
91 int rc = setsockopt (sockfd_, family, SO_VMCI_CONNECT_TIMEOUT,
92 (char *) &timeout_, sizeof timeout_);
93 #if defined ZMQ_HAVE_WINDOWS
94 wsa_assert (rc != SOCKET_ERROR);
95 #else
96 errno_assert (rc == 0);
97 #endif
98 }
99
100 #endif
101