281 lines
8.7 KiB
C++
281 lines
8.7 KiB
C++
|
/*
|
||
|
|
* Copyright (C) 2008 The Android Open Source Project
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <sys/socket.h>
|
||
|
|
#include <netinet/in.h>
|
||
|
|
#include <arpa/inet.h>
|
||
|
|
|
||
|
|
#define LOG_TAG "PropertyManager"
|
||
|
|
|
||
|
|
#include <cutils/log.h>
|
||
|
|
|
||
|
|
#include "PropertyManager.h"
|
||
|
|
|
||
|
|
PropertyManager::PropertyManager() {
|
||
|
|
mNamespaces = new PropertyNamespaceCollection();
|
||
|
|
pthread_mutex_init(&mLock, NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
PropertyManager::~PropertyManager() {
|
||
|
|
PropertyNamespaceCollection::iterator it;
|
||
|
|
|
||
|
|
for (it = mNamespaces->begin(); it != mNamespaces->end();) {
|
||
|
|
delete (*it);
|
||
|
|
it = mNamespaces->erase(it);
|
||
|
|
}
|
||
|
|
delete mNamespaces;
|
||
|
|
}
|
||
|
|
|
||
|
|
PropertyNamespace *PropertyManager::lookupNamespace_UNLOCKED(const char *ns) {
|
||
|
|
PropertyNamespaceCollection::iterator ns_it;
|
||
|
|
|
||
|
|
for (ns_it = mNamespaces->begin(); ns_it != mNamespaces->end(); ++ns_it) {
|
||
|
|
if (!strcasecmp(ns, (*ns_it)->getName()))
|
||
|
|
return (*ns_it);
|
||
|
|
}
|
||
|
|
errno = ENOENT;
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
Property *PropertyManager::lookupProperty_UNLOCKED(PropertyNamespace *ns, const char *name) {
|
||
|
|
PropertyCollection::iterator it;
|
||
|
|
|
||
|
|
for (it = ns->getProperties()->begin();
|
||
|
|
it != ns->getProperties()->end(); ++it) {
|
||
|
|
if (!strcasecmp(name, (*it)->getName()))
|
||
|
|
return (*it);
|
||
|
|
}
|
||
|
|
errno = ENOENT;
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
int PropertyManager::attachProperty(const char *ns_name, Property *p) {
|
||
|
|
PropertyNamespace *ns;
|
||
|
|
|
||
|
|
LOGD("Attaching property %s to namespace %s", p->getName(), ns_name);
|
||
|
|
pthread_mutex_lock(&mLock);
|
||
|
|
if (!(ns = lookupNamespace_UNLOCKED(ns_name))) {
|
||
|
|
LOGD("Creating namespace %s", ns_name);
|
||
|
|
ns = new PropertyNamespace(ns_name);
|
||
|
|
mNamespaces->push_back(ns);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lookupProperty_UNLOCKED(ns, p->getName())) {
|
||
|
|
errno = EADDRINUSE;
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
LOGE("Failed to register property %s.%s (%s)",
|
||
|
|
ns_name, p->getName(), strerror(errno));
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
ns->getProperties()->push_back(p);
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int PropertyManager::detachProperty(const char *ns_name, Property *p) {
|
||
|
|
PropertyNamespace *ns;
|
||
|
|
|
||
|
|
LOGD("Detaching property %s from namespace %s", p->getName(), ns_name);
|
||
|
|
pthread_mutex_lock(&mLock);
|
||
|
|
if (!(ns = lookupNamespace_UNLOCKED(ns_name))) {
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
LOGE("Namespace '%s' not found", ns_name);
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
PropertyCollection::iterator it;
|
||
|
|
|
||
|
|
for (it = ns->getProperties()->begin();
|
||
|
|
it != ns->getProperties()->end(); ++it) {
|
||
|
|
if (!strcasecmp(p->getName(), (*it)->getName())) {
|
||
|
|
delete ((*it));
|
||
|
|
ns->getProperties()->erase(it);
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
LOGE("Property %s.%s not found", ns_name, p->getName());
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
errno = ENOENT;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int PropertyManager::doSet(Property *p, int idx, const char *value) {
|
||
|
|
|
||
|
|
if (p->getReadOnly()) {
|
||
|
|
errno = EROFS;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (p->getType() == Property::Type_STRING) {
|
||
|
|
return p->set(idx, value);
|
||
|
|
} else if (p->getType() == Property::Type_INTEGER) {
|
||
|
|
int tmp;
|
||
|
|
errno = 0;
|
||
|
|
tmp = strtol(value, (char **) NULL, 10);
|
||
|
|
if (errno) {
|
||
|
|
LOGE("Failed to convert '%s' to int", value);
|
||
|
|
errno = EINVAL;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
return p->set(idx, tmp);
|
||
|
|
} else if (p->getType() == Property::Type_IPV4) {
|
||
|
|
struct in_addr tmp;
|
||
|
|
if (!inet_aton(value, &tmp)) {
|
||
|
|
LOGE("Failed to convert '%s' to ipv4", value);
|
||
|
|
errno = EINVAL;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
return p->set(idx, &tmp);
|
||
|
|
} else {
|
||
|
|
LOGE("Property '%s' has an unknown type (%d)", p->getName(),
|
||
|
|
p->getType());
|
||
|
|
errno = EINVAL;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
errno = ENOENT;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int PropertyManager::doGet(Property *p, int idx, char *buffer, size_t max) {
|
||
|
|
|
||
|
|
if (p->getType() == Property::Type_STRING) {
|
||
|
|
if (p->get(idx, buffer, max)) {
|
||
|
|
LOGW("String property %s get failed (%s)", p->getName(),
|
||
|
|
strerror(errno));
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if (p->getType() == Property::Type_INTEGER) {
|
||
|
|
int tmp;
|
||
|
|
if (p->get(idx, &tmp)) {
|
||
|
|
LOGW("Integer property %s get failed (%s)", p->getName(),
|
||
|
|
strerror(errno));
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
snprintf(buffer, max, "%d", tmp);
|
||
|
|
} else if (p->getType() == Property::Type_IPV4) {
|
||
|
|
struct in_addr tmp;
|
||
|
|
if (p->get(idx, &tmp)) {
|
||
|
|
LOGW("IPV4 property %s get failed (%s)", p->getName(),
|
||
|
|
strerror(errno));
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
strncpy(buffer, inet_ntoa(tmp), max);
|
||
|
|
} else {
|
||
|
|
LOGE("Property '%s' has an unknown type (%d)", p->getName(),
|
||
|
|
p->getType());
|
||
|
|
errno = EINVAL;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* IPropertyManager methods
|
||
|
|
*/
|
||
|
|
|
||
|
|
int PropertyManager::set(const char *name, const char *value) {
|
||
|
|
|
||
|
|
LOGD("set %s = '%s'", name, value);
|
||
|
|
pthread_mutex_lock(&mLock);
|
||
|
|
PropertyNamespaceCollection::iterator ns_it;
|
||
|
|
for (ns_it = mNamespaces->begin(); ns_it != mNamespaces->end(); ++ns_it) {
|
||
|
|
PropertyCollection::iterator p_it;
|
||
|
|
for (p_it = (*ns_it)->getProperties()->begin();
|
||
|
|
p_it != (*ns_it)->getProperties()->end(); ++p_it) {
|
||
|
|
for (int i = 0; i < (*p_it)->getNumElements(); i++) {
|
||
|
|
char fqn[255];
|
||
|
|
char tmp[8];
|
||
|
|
sprintf(tmp, "_%d", i);
|
||
|
|
snprintf(fqn, sizeof(fqn), "%s.%s%s",
|
||
|
|
(*ns_it)->getName(), (*p_it)->getName(),
|
||
|
|
((*p_it)->getNumElements() > 1 ? tmp : ""));
|
||
|
|
if (!strcasecmp(name, fqn)) {
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
return doSet((*p_it), i, value);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
LOGE("Property %s not found", name);
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
errno = ENOENT;
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
const char *PropertyManager::get(const char *name, char *buffer, size_t max) {
|
||
|
|
pthread_mutex_lock(&mLock);
|
||
|
|
PropertyNamespaceCollection::iterator ns_it;
|
||
|
|
for (ns_it = mNamespaces->begin(); ns_it != mNamespaces->end(); ++ns_it) {
|
||
|
|
PropertyCollection::iterator p_it;
|
||
|
|
for (p_it = (*ns_it)->getProperties()->begin();
|
||
|
|
p_it != (*ns_it)->getProperties()->end(); ++p_it) {
|
||
|
|
|
||
|
|
for (int i = 0; i < (*p_it)->getNumElements(); i++) {
|
||
|
|
char fqn[255];
|
||
|
|
char tmp[8];
|
||
|
|
sprintf(tmp, "_%d", i);
|
||
|
|
snprintf(fqn, sizeof(fqn), "%s.%s%s",
|
||
|
|
(*ns_it)->getName(), (*p_it)->getName(),
|
||
|
|
((*p_it)->getNumElements() > 1 ? tmp : ""));
|
||
|
|
if (!strcasecmp(name, fqn)) {
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
if (doGet((*p_it), i, buffer, max))
|
||
|
|
return NULL;
|
||
|
|
return buffer;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
LOGE("Property %s not found", name);
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
errno = ENOENT;
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
android::List<char *> *PropertyManager::createPropertyList(const char *prefix) {
|
||
|
|
android::List<char *> *c = new android::List<char *>();
|
||
|
|
|
||
|
|
pthread_mutex_lock(&mLock);
|
||
|
|
PropertyNamespaceCollection::iterator ns_it;
|
||
|
|
for (ns_it = mNamespaces->begin(); ns_it != mNamespaces->end(); ++ns_it) {
|
||
|
|
PropertyCollection::iterator p_it;
|
||
|
|
for (p_it = (*ns_it)->getProperties()->begin();
|
||
|
|
p_it != (*ns_it)->getProperties()->end(); ++p_it) {
|
||
|
|
for (int i = 0; i < (*p_it)->getNumElements(); i++) {
|
||
|
|
char fqn[255];
|
||
|
|
char tmp[8];
|
||
|
|
sprintf(tmp, "_%d", i);
|
||
|
|
snprintf(fqn, sizeof(fqn), "%s.%s%s",
|
||
|
|
(*ns_it)->getName(), (*p_it)->getName(),
|
||
|
|
((*p_it)->getNumElements() > 1 ? tmp : ""));
|
||
|
|
if (!prefix ||
|
||
|
|
(prefix && !strncasecmp(fqn, prefix, strlen(prefix)))) {
|
||
|
|
c->push_back(strdup(fqn));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
pthread_mutex_unlock(&mLock);
|
||
|
|
return c;
|
||
|
|
}
|