1/*
2 * Copyright (c) 2013 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
34 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Matt Horsnell
38 */
39
40#include "sim/probe/probe.hh"
41
42#include "debug/ProbeVerbose.hh"
43#include "params/ProbeListenerObject.hh"
44
45ProbePoint::ProbePoint(ProbeManager *manager, const std::string& _name)
46    : name(_name)
47{
48    if (manager) {
49        manager->addPoint(*this);
50    }
51}
52
53ProbeListenerObject::ProbeListenerObject(const ProbeListenerObjectParams *params)
54    : SimObject(params),
55      manager(params->manager->getProbeManager())
56{
57}
58
59ProbeListenerObject::~ProbeListenerObject()
60{
61    for (auto l = listeners.begin(); l != listeners.end(); ++l) {
62        delete (*l);
63    }
64    listeners.clear();
65}
66
67ProbeListener::ProbeListener(ProbeManager *_manager, const std::string &_name)
68    : manager(_manager), name(_name)
69{
70    manager->addListener(name, *this);
71}
72
73ProbeListener::~ProbeListener()
74{
75    manager->removeListener(name, *this);
76}
77
78ProbeListenerObject*
79ProbeListenerObjectParams::create()
80{
81    return new ProbeListenerObject(this);
82}
83
84bool
85ProbeManager::addListener(std::string pointName, ProbeListener &listener)
86{
87    DPRINTFR(ProbeVerbose, "Probes: Call to addListener to \"%s\" on %s.\n", pointName, object->name());
88    bool added = false;
89    for (auto p = points.begin(); p != points.end(); ++p) {
90        if ((*p)->getName() == pointName) {
91            (*p)->addListener(&listener);
92            added = true;
93        }
94    }
95    if (!added) {
96        DPRINTFR(ProbeVerbose, "Probes: Call to addListener to \"%s\" on %s failed, no such point.\n", pointName, object->name());
97    }
98    return added;
99}
100
101bool
102ProbeManager::removeListener(std::string pointName, ProbeListener &listener)
103{
104    DPRINTFR(ProbeVerbose, "Probes: Call to removeListener from \"%s\" on %s.\n", pointName, object->name());
105    bool removed = false;
106    for (auto p = points.begin(); p != points.end(); ++p) {
107        if ((*p)->getName() == pointName) {
108            (*p)->removeListener(&listener);
109            removed = true;
110        }
111    }
112    if (!removed) {
113        DPRINTFR(ProbeVerbose, "Probes: Call to removeListener from \"%s\" on %s failed, no such point.\n", pointName, object->name());
114    }
115    return removed;
116}
117
118void
119ProbeManager::addPoint(ProbePoint &point)
120{
121    DPRINTFR(ProbeVerbose, "Probes: Call to addPoint \"%s\" to %s.\n", point.getName(), object->name());
122
123    for (auto p = points.begin(); p != points.end(); ++p) {
124        if ((*p)->getName() == point.getName()) {
125            DPRINTFR(ProbeVerbose, "Probes: Call to addPoint \"%s\" to %s failed, already added.\n", point.getName(), object->name());
126            return;
127        }
128    }
129    points.push_back(&point);
130}
131