summaryrefslogtreecommitdiff
path: root/controller.cpp
blob: b912c272e3e73daabf70a1399632bfc3d8970afd (plain)
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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
/* ***** BEGIN LICENSE BLOCK *****
 *   Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 *   The contents of this file are subject to the Mozilla Public License Version
 *   1.1 (the "License"); you may not use this file except in compliance with
 *   the License. You may obtain a copy of the License at
 *   http://www.mozilla.org/MPL/
 *
 *   Software distributed under the License is distributed on an "AS IS" basis,
 *   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 *   for the specific language governing rights and limitations under the
 *   License.
 *
 *   Copyright 2009-2011, Red Hat Inc.
 *   Based on mozilla.org's scriptable plugin example
 *
 *   The Original Code is mozilla.org code.
 *
 *   The Initial Developer of the Original Code is
 *   Netscape Communications Corporation.
 *   Portions created by the Initial Developer are Copyright (C) 1998
 *   the Initial Developer. All Rights Reserved.
 *
 *   Contributor(s):
 *   Uri Lublin
 *   Martin Stransky
 *   Peter Hatina
 *
 *   Alternatively, the contents of this file may be used under the terms of
 *   either the GNU General Public License Version 2 or later (the "GPL"), or
 *   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 *   in which case the provisions of the GPL or the LGPL are applicable instead
 *   of those above. If you wish to allow use of your version of this file only
 *   under the terms of either the GPL or the LGPL, and not to allow others to
 *   use your version of this file under the terms of the MPL, indicate your
 *   decision by deleting the provisions above and replace them with the notice
 *   and other provisions required by the GPL or the LGPL. If you do not delete
 *   the provisions above, a recipient may use your version of this file under
 *   the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cerrno>
#include <glib.h>

extern "C" {
#  include <stdint.h>
#  include <unistd.h>
#  include <fcntl.h>
#  include <sys/socket.h>
#  include <sys/un.h>
}

#include "rederrorcodes.h"
#include "controller.h"

SpiceController::SpiceController():
    m_client_socket(-1)
{
}

SpiceController::SpiceController(const std::string &name):
    m_client_socket(-1),
    m_name(name)
{
}

SpiceController::~SpiceController()
{
    g_debug(G_STRFUNC);
    Disconnect();
}

void SpiceController::SetFilename(const std::string &name)
{
    m_name = name;
}

int SpiceController::Connect()
{
    // check, if we have a filename for socket to create
    if (m_name.empty())
        return -1;

    if (m_client_socket == -1)
    {
        if ((m_client_socket = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
        {
            g_critical("controller socket: %s", g_strerror(errno));
            return -1;
        }
    }

    struct sockaddr_un remote;
    remote.sun_family = AF_UNIX;
    if (m_name.length() + 1 > sizeof(remote.sun_path))
        return -1;
    strcpy(remote.sun_path, m_name.c_str());

    int rc = connect(m_client_socket, (struct sockaddr *) &remote, strlen(remote.sun_path) + sizeof(remote.sun_family));
    if (rc == -1)
    {
        g_critical("controller connect: %s", g_strerror(errno));
    }
    else
    {
        g_debug("controller connected");
    }

    return rc;
}

int SpiceController::Connect(const int nRetries)
{
    int rc = -1;
    int sleep_time = 0;

    // try to connect for specified count
    for (int i = 0; rc != 0 && i < nRetries; ++i)
    {
        rc = Connect();
        sleep(sleep_time);
        ++sleep_time;
    }

    return rc;
}

void SpiceController::Disconnect()
{
    // close the socket
    close(m_client_socket);
    m_client_socket = -1;

    // delete the temporary file, which is used for the socket
    unlink(m_name.c_str());
    m_name.clear();
}

uint32_t SpiceController::Write(const void *lpBuffer, uint32_t nBytesToWrite)
{
    ssize_t len = send(m_client_socket, lpBuffer, nBytesToWrite, 0);

    if (len != (ssize_t)nBytesToWrite)
    {
        g_warning("incomplete send, bytes to write = %u, bytes written = %zd: %s",
                  nBytesToWrite, len, g_strerror(errno));
    }

    return len;
}

int SpiceController::TranslateRC(int nRC)
{
    switch (nRC)
    {
    case SPICEC_ERROR_CODE_SUCCESS:
        return 0;

    case SPICEC_ERROR_CODE_GETHOSTBYNAME_FAILED:
        return RDP_ERROR_CODE_HOST_NOT_FOUND;

    case SPICEC_ERROR_CODE_CONNECT_FAILED:
        return RDP_ERROR_CODE_WINSOCK_CONNECT_FAILED;

    case SPICEC_ERROR_CODE_ERROR:
    case SPICEC_ERROR_CODE_SOCKET_FAILED:
        return RDP_ERROR_CODE_INTERNAL_ERROR;

    case SPICEC_ERROR_CODE_RECV_FAILED:
        return RDP_ERROR_RECV_WINSOCK_FAILED;

    case SPICEC_ERROR_CODE_SEND_FAILED:
        return RDP_ERROR_SEND_WINSOCK_FAILED;

    case SPICEC_ERROR_CODE_NOT_ENOUGH_MEMORY:
        return RDP_ERROR_CODE_OUT_OF_MEMORY;

    case SPICEC_ERROR_CODE_AGENT_TIMEOUT:
        return RDP_ERROR_CODE_TIMEOUT;

    case SPICEC_ERROR_CODE_AGENT_ERROR:
        return RDP_ERROR_CODE_INTERNAL_ERROR;

    default:
        return RDP_ERROR_CODE_INTERNAL_ERROR;
    }
}