| /* |
| * 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 <errno.h> |
| #include <sys/socket.h> |
| #include <netinet/in.h> |
| #include <arpa/inet.h> |
| |
| #define LOG_TAG "DhcpListener" |
| #include <cutils/log.h> |
| |
| #include <DhcpListener.h> |
| #include "IDhcpEventHandlers.h" |
| #include "DhcpState.h" |
| #include "DhcpEvent.h" |
| #include "Controller.h" |
| |
| DhcpListener::DhcpListener(Controller *c, int socket, IDhcpEventHandlers *handlers) : |
| SocketListener(socket, false) { |
| mHandlers = handlers; |
| mController = c; |
| } |
| |
| DhcpListener::~DhcpListener() { |
| } |
| |
| bool DhcpListener::onDataAvailable(SocketClient *cli) { |
| char buffer[255]; |
| int rc; |
| |
| if ((rc = read(cli->getSocket(), buffer, sizeof(buffer))) < 0) { |
| LOGW("Error reading dhcp status msg (%s)", strerror(errno)); |
| return true; |
| } |
| |
| if (!strncmp(buffer, "STATE:", 6)) { |
| char *next = buffer; |
| char *tmp; |
| int i; |
| |
| for (i = 0; i < 2; i++) { |
| if (!(tmp = strsep(&next, ":"))) { |
| LOGW("Error parsing state '%s'", buffer); |
| return true; |
| } |
| } |
| |
| int st = DhcpState::parseString(tmp); |
| mHandlers->onDhcpStateChanged(mController, st); |
| } else if (!strncmp(buffer, "ADDRINFO:", 9)) { |
| char *next = buffer + 9; |
| struct in_addr ipaddr, netmask, gateway, broadcast, dns1, dns2; |
| |
| if (!inet_aton(strsep(&next, ":"), &ipaddr)) { |
| LOGW("Malformatted IP specified"); |
| } |
| if (!inet_aton(strsep(&next, ":"), &netmask)) { |
| LOGW("Malformatted netmask specified"); |
| } |
| if (!inet_aton(strsep(&next, ":"), &broadcast)) { |
| LOGW("Malformatted broadcast specified"); |
| } |
| if (!inet_aton(strsep(&next, ":"), &gateway)) { |
| LOGW("Malformatted gateway specified"); |
| } |
| if (!inet_aton(strsep(&next, ":"), &dns1)) { |
| LOGW("Malformatted dns1 specified"); |
| } |
| if (!inet_aton(strsep(&next, ":"), &dns2)) { |
| LOGW("Malformatted dns2 specified"); |
| } |
| mHandlers->onDhcpLeaseUpdated(mController, &ipaddr, &netmask, |
| &broadcast, &gateway, &dns1, &dns2); |
| |
| } else if (!strncmp(buffer, "EVENT:", 6)) { |
| char *next = buffer; |
| char *tmp; |
| int i; |
| |
| for (i = 0; i < 2; i++) { |
| if (!(tmp = strsep(&next, ":"))) { |
| LOGW("Error parsing event '%s'", buffer); |
| return true; |
| } |
| } |
| |
| int ev = DhcpEvent::parseString(tmp); |
| mHandlers->onDhcpEvent(mController, ev); |
| |
| } else { |
| LOGW("Unknown DHCP monitor msg '%s'", buffer); |
| } |
| |
| return true; |
| } |