NetworkManager.cpp revision 3aff2d1de59972684bf2ab798351be5544158239 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <stdio.h>
18#include <errno.h>
19
20#define LOG_TAG "Nexus"
21
22#include <cutils/log.h>
23
24#include "NetworkManager.h"
25#include "InterfaceConfig.h"
26
27NetworkManager *NetworkManager::sInstance = NULL;
28
29NetworkManager *NetworkManager::Instance() {
30    if (!sInstance)
31        sInstance = new NetworkManager(new PropertyManager());
32    return sInstance;
33}
34
35NetworkManager::NetworkManager(PropertyManager *propMngr) {
36    mBroadcaster = NULL;
37    mControllers = new ControllerCollection();
38    mPropMngr = propMngr;
39}
40
41NetworkManager::~NetworkManager() {
42}
43
44int NetworkManager::run() {
45    if (startControllers()) {
46        LOGW("Unable to start all controllers (%s)", strerror(errno));
47    }
48    return 0;
49}
50
51int NetworkManager::attachController(Controller *c) {
52    mControllers->push_back(c);
53    return 0;
54}
55
56int NetworkManager::startControllers() {
57    int rc = 0;
58    ControllerCollection::iterator i;
59
60    for (i = mControllers->begin(); i != mControllers->end(); ++i) {
61        int irc = (*i)->start();
62        LOGD("Controller '%s' start rc = %d", (*i)->getName(), irc);
63        if (irc && !rc)
64            rc = irc;
65    }
66    return rc;
67}
68
69int NetworkManager::stopControllers() {
70    int rc = 0;
71    ControllerCollection::iterator i;
72
73    for (i = mControllers->begin(); i != mControllers->end(); ++i) {
74        int irc = (*i)->stop();
75        LOGD("Controller '%s' stop rc = %d", (*i)->getName(), irc);
76        if (irc && !rc)
77            rc = irc;
78    }
79    return rc;
80}
81
82Controller *NetworkManager::findController(const char *name) {
83    ControllerCollection::iterator i;
84    for (i = mControllers->begin(); i != mControllers->end(); ++i) {
85        if (!strcmp((*i)->getName(), name))
86            return *i;
87    }
88    LOGW("Controller '%s' not found", name);
89    return NULL;
90}
91
92void NetworkManager::onInterfaceStarted(Controller *c, const InterfaceConfig *cfg) {
93    LOGD("Interface %s started by controller %s", c->getBoundInterface(), c->getName());
94
95    // Look up the interface
96
97    if (0) { // already started?
98    }
99
100    if (cfg) {
101        if (cfg->getUseDhcp()) {
102            // Launch DHCP thread
103        } else {
104            // Static configuration
105        }
106    } else {
107        LOGD("No InterfaceConfig for %s:%s - assuming self-managed",
108            c->getName(), c->getBoundInterface());
109    }
110}
111
112void NetworkManager::onInterfaceStopping(Controller *c, const char *name) {
113    LOGD("Interface %s stopped by controller %s", name, c->getName());
114}
115