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//
// Copyright (C) 2012 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 "shill/technology.h"
#include <set>
#include <string>
#include <vector>
#include <base/stl_util.h>
#include <base/strings/string_split.h>
#include <chromeos/dbus/service_constants.h>
#include "shill/error.h"
#include "shill/logging.h"
namespace shill {
using std::set;
using std::string;
using std::vector;
const char Technology::kLoopbackName[] = "loopback";
const char Technology::kTunnelName[] = "tunnel";
const char Technology::kPPPName[] = "ppp";
const char Technology::kUnknownName[] = "unknown";
// static
Technology::Identifier Technology::IdentifierFromName(const string& name) {
if (name == kTypeEthernet) {
return kEthernet;
} else if (name == kTypeEthernetEap) {
return kEthernetEap;
} else if (name == kTypeWifi) {
return kWifi;
} else if (name == kTypeWimax) {
return kWiMax;
} else if (name == kTypeCellular) {
return kCellular;
} else if (name == kTypeVPN) {
return kVPN;
} else if (name == kTypePPPoE) {
return kPPPoE;
} else if (name == kLoopbackName) {
return kLoopback;
} else if (name == kTunnelName) {
return kTunnel;
} else if (name == kPPPName) {
return kPPP;
} else {
return kUnknown;
}
}
// static
string Technology::NameFromIdentifier(Technology::Identifier id) {
if (id == kEthernet) {
return kTypeEthernet;
} else if (id == kEthernetEap) {
return kTypeEthernetEap;
} else if (id == kWifi) {
return kTypeWifi;
} else if (id == kWiMax) {
return kTypeWimax;
} else if (id == kCellular) {
return kTypeCellular;
} else if (id == kVPN) {
return kTypeVPN;
} else if (id == kLoopback) {
return kLoopbackName;
} else if (id == kTunnel) {
return kTunnelName;
} else if (id == kPPP) {
return kPPPName;
} else if (id == kPPPoE) {
return kTypePPPoE;
} else {
return kUnknownName;
}
}
// static
Technology::Identifier Technology::IdentifierFromStorageGroup(
const string& group) {
vector<string> group_parts;
base::SplitString(group, '_', &group_parts);
if (group_parts.empty()) {
return kUnknown;
}
return IdentifierFromName(group_parts[0]);
}
// static
bool Technology::GetTechnologyVectorFromString(
const string& technologies_string,
vector<Identifier>* technologies_vector,
Error* error) {
CHECK(technologies_vector);
CHECK(error);
vector<string> technology_parts;
set<Technology::Identifier> seen;
technologies_vector->clear();
// Check if |technologies_string| is empty as some versions of
// base::SplitString return a vector with one empty string when given an
// empty string.
if (!technologies_string.empty())
base::SplitString(technologies_string, ',', &technology_parts);
for (const auto& name : technology_parts) {
Technology::Identifier identifier = Technology::IdentifierFromName(name);
if (identifier == Technology::kUnknown) {
Error::PopulateAndLog(FROM_HERE, error, Error::kInvalidArguments,
name + " is an unknown technology name");
return false;
}
if (ContainsKey(seen, identifier)) {
Error::PopulateAndLog(FROM_HERE, error, Error::kInvalidArguments,
name + " is duplicated in the list");
return false;
}
seen.insert(identifier);
technologies_vector->push_back(identifier);
}
return true;
}
// static
bool Technology::IsPrimaryConnectivityTechnology(Identifier technology) {
return (technology == kCellular ||
technology == kEthernet ||
technology == kWifi ||
technology == kWiMax ||
technology == kPPPoE);
}
} // namespace shill
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