Ben Chan | fad4a0b | 2012-04-18 15:49:59 -0700 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
Darin Petkov | 50308cd | 2011-06-01 18:25:07 -0700 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "shill/dhcp_provider.h" |
| 6 | |
Albert Chaulk | 0e1cdea | 2013-02-27 15:32:55 -0800 | [diff] [blame] | 7 | #include <base/file_util.h> |
Ben Chan | a0ddf46 | 2014-02-06 11:32:42 -0800 | [diff] [blame] | 8 | #include <base/strings/stringprintf.h> |
Albert Chaulk | 0e1cdea | 2013-02-27 15:32:55 -0800 | [diff] [blame] | 9 | |
Chris Masone | 19e3040 | 2011-07-19 15:48:47 -0700 | [diff] [blame] | 10 | #include "shill/control_interface.h" |
Chris Masone | 2b10554 | 2011-06-22 10:58:09 -0700 | [diff] [blame] | 11 | #include "shill/dhcp_config.h" |
Darin Petkov | d1b715b | 2011-06-02 21:21:22 -0700 | [diff] [blame] | 12 | #include "shill/dhcpcd_proxy.h" |
Christopher Wiley | b691efd | 2012-08-09 13:51:51 -0700 | [diff] [blame] | 13 | #include "shill/logging.h" |
Darin Petkov | aceede3 | 2011-07-18 15:32:38 -0700 | [diff] [blame] | 14 | #include "shill/proxy_factory.h" |
Darin Petkov | d1b715b | 2011-06-02 21:21:22 -0700 | [diff] [blame] | 15 | |
Albert Chaulk | 0e1cdea | 2013-02-27 15:32:55 -0800 | [diff] [blame] | 16 | using base::FilePath; |
Darin Petkov | f65e928 | 2011-06-21 14:29:56 -0700 | [diff] [blame] | 17 | using std::string; |
| 18 | |
Darin Petkov | 50308cd | 2011-06-01 18:25:07 -0700 | [diff] [blame] | 19 | namespace shill { |
| 20 | |
Darin Petkov | e636c69 | 2012-05-31 10:22:17 +0200 | [diff] [blame] | 21 | namespace { |
| 22 | base::LazyInstance<DHCPProvider> g_dhcp_provider = LAZY_INSTANCE_INITIALIZER; |
| 23 | } // namespace |
Paul Stewart | 0d2ada3 | 2011-08-09 17:01:57 -0700 | [diff] [blame] | 24 | |
mukesh agrawal | 88fb16f | 2014-04-24 10:37:39 -0700 | [diff] [blame] | 25 | constexpr char DHCPProvider::kDHCPCDPathFormatLease[]; |
Albert Chaulk | 0e1cdea | 2013-02-27 15:32:55 -0800 | [diff] [blame] | 26 | |
Darin Petkov | a7b8949 | 2011-07-27 12:48:17 -0700 | [diff] [blame] | 27 | DHCPProvider::DHCPProvider() |
Darin Petkov | ab565bb | 2011-10-06 02:55:51 -0700 | [diff] [blame] | 28 | : proxy_factory_(ProxyFactory::GetInstance()), |
Albert Chaulk | 0e1cdea | 2013-02-27 15:32:55 -0800 | [diff] [blame] | 29 | root_("/"), |
Darin Petkov | ab565bb | 2011-10-06 02:55:51 -0700 | [diff] [blame] | 30 | control_interface_(NULL), |
Darin Petkov | a7b8949 | 2011-07-27 12:48:17 -0700 | [diff] [blame] | 31 | dispatcher_(NULL), |
Paul Stewart | 3bdf1ab | 2014-07-17 19:22:26 -0700 | [diff] [blame] | 32 | glib_(NULL), |
| 33 | metrics_(NULL) { |
Ben Chan | fad4a0b | 2012-04-18 15:49:59 -0700 | [diff] [blame] | 34 | SLOG(DHCP, 2) << __func__; |
Darin Petkov | 50308cd | 2011-06-01 18:25:07 -0700 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | DHCPProvider::~DHCPProvider() { |
Ben Chan | fad4a0b | 2012-04-18 15:49:59 -0700 | [diff] [blame] | 38 | SLOG(DHCP, 2) << __func__; |
Darin Petkov | 50308cd | 2011-06-01 18:25:07 -0700 | [diff] [blame] | 39 | } |
| 40 | |
| 41 | DHCPProvider* DHCPProvider::GetInstance() { |
Paul Stewart | 0d2ada3 | 2011-08-09 17:01:57 -0700 | [diff] [blame] | 42 | return g_dhcp_provider.Pointer(); |
Darin Petkov | 50308cd | 2011-06-01 18:25:07 -0700 | [diff] [blame] | 43 | } |
| 44 | |
Darin Petkov | a7b8949 | 2011-07-27 12:48:17 -0700 | [diff] [blame] | 45 | void DHCPProvider::Init(ControlInterface *control_interface, |
| 46 | EventDispatcher *dispatcher, |
Paul Stewart | 3bdf1ab | 2014-07-17 19:22:26 -0700 | [diff] [blame] | 47 | GLib *glib, |
| 48 | Metrics *metrics) { |
Ben Chan | fad4a0b | 2012-04-18 15:49:59 -0700 | [diff] [blame] | 49 | SLOG(DHCP, 2) << __func__; |
Darin Petkov | ab565bb | 2011-10-06 02:55:51 -0700 | [diff] [blame] | 50 | listener_.reset(new DHCPCDListener(proxy_factory_->connection(), this)); |
Darin Petkov | f7897bc | 2011-06-08 17:13:36 -0700 | [diff] [blame] | 51 | glib_ = glib; |
Chris Masone | 19e3040 | 2011-07-19 15:48:47 -0700 | [diff] [blame] | 52 | control_interface_ = control_interface; |
Darin Petkov | a7b8949 | 2011-07-27 12:48:17 -0700 | [diff] [blame] | 53 | dispatcher_ = dispatcher; |
Paul Stewart | 3bdf1ab | 2014-07-17 19:22:26 -0700 | [diff] [blame] | 54 | metrics_ = metrics; |
Darin Petkov | d1b715b | 2011-06-02 21:21:22 -0700 | [diff] [blame] | 55 | } |
| 56 | |
Paul Stewart | d32f484 | 2012-01-11 16:08:13 -0800 | [diff] [blame] | 57 | DHCPConfigRefPtr DHCPProvider::CreateConfig(const string &device_name, |
Paul Stewart | d408fdf | 2012-05-07 17:15:57 -0700 | [diff] [blame] | 58 | const string &host_name, |
| 59 | const string &lease_file_suffix, |
Paul Stewart | b108318 | 2014-06-25 03:04:53 -0700 | [diff] [blame] | 60 | bool arp_gateway) { |
Ben Chan | fad4a0b | 2012-04-18 15:49:59 -0700 | [diff] [blame] | 61 | SLOG(DHCP, 2) << __func__ << " device: " << device_name; |
Paul Stewart | d408fdf | 2012-05-07 17:15:57 -0700 | [diff] [blame] | 62 | return new DHCPConfig(control_interface_, |
| 63 | dispatcher_, |
| 64 | this, |
| 65 | device_name, |
| 66 | host_name, |
| 67 | lease_file_suffix, |
| 68 | arp_gateway, |
Paul Stewart | 3bdf1ab | 2014-07-17 19:22:26 -0700 | [diff] [blame] | 69 | glib_, |
| 70 | metrics_); |
Darin Petkov | d1b715b | 2011-06-02 21:21:22 -0700 | [diff] [blame] | 71 | } |
| 72 | |
Darin Petkov | 98dd6a0 | 2011-06-10 15:12:57 -0700 | [diff] [blame] | 73 | DHCPConfigRefPtr DHCPProvider::GetConfig(int pid) { |
Ben Chan | fad4a0b | 2012-04-18 15:49:59 -0700 | [diff] [blame] | 74 | SLOG(DHCP, 2) << __func__ << " pid: " << pid; |
Darin Petkov | f9b0ca8 | 2011-06-20 12:10:23 -0700 | [diff] [blame] | 75 | PIDConfigMap::const_iterator it = configs_.find(pid); |
Darin Petkov | d1b715b | 2011-06-02 21:21:22 -0700 | [diff] [blame] | 76 | if (it == configs_.end()) { |
Darin Petkov | 98dd6a0 | 2011-06-10 15:12:57 -0700 | [diff] [blame] | 77 | return NULL; |
Darin Petkov | d1b715b | 2011-06-02 21:21:22 -0700 | [diff] [blame] | 78 | } |
| 79 | return it->second; |
| 80 | } |
| 81 | |
Chris Masone | 2b10554 | 2011-06-22 10:58:09 -0700 | [diff] [blame] | 82 | void DHCPProvider::BindPID(int pid, const DHCPConfigRefPtr &config) { |
Ben Chan | fad4a0b | 2012-04-18 15:49:59 -0700 | [diff] [blame] | 83 | SLOG(DHCP, 2) << __func__ << " pid: " << pid; |
Darin Petkov | d1b715b | 2011-06-02 21:21:22 -0700 | [diff] [blame] | 84 | configs_[pid] = config; |
| 85 | } |
| 86 | |
Darin Petkov | 92c4390 | 2011-06-09 20:46:06 -0700 | [diff] [blame] | 87 | void DHCPProvider::UnbindPID(int pid) { |
Ben Chan | fad4a0b | 2012-04-18 15:49:59 -0700 | [diff] [blame] | 88 | SLOG(DHCP, 2) << __func__ << " pid: " << pid; |
Darin Petkov | d1b715b | 2011-06-02 21:21:22 -0700 | [diff] [blame] | 89 | configs_.erase(pid); |
| 90 | } |
| 91 | |
Albert Chaulk | 0e1cdea | 2013-02-27 15:32:55 -0800 | [diff] [blame] | 92 | void DHCPProvider::DestroyLease(const string &name) { |
| 93 | SLOG(DHCP, 2) << __func__ << " name: " << name; |
Ben Chan | a0ddf46 | 2014-02-06 11:32:42 -0800 | [diff] [blame] | 94 | base::DeleteFile(root_.Append( |
Albert Chaulk | 0e1cdea | 2013-02-27 15:32:55 -0800 | [diff] [blame] | 95 | base::StringPrintf(kDHCPCDPathFormatLease, |
| 96 | name.c_str())), false); |
| 97 | } |
| 98 | |
Darin Petkov | 50308cd | 2011-06-01 18:25:07 -0700 | [diff] [blame] | 99 | } // namespace shill |