1 /*
2  * Copyright (C) 2018 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 #pragma once
17 
18 #include <sys/types.h>
19 #include <array>
20 #include <cstdint>
21 #include <map>
22 #include <memory>
23 #include <optional>
24 #include <set>
25 #include <string>
26 #include <string_view>
27 #include <vector>
28 
29 #include <fmt/ostream.h>
30 
31 #include "common/libs/utils/environment.h"
32 #include "common/libs/utils/result.h"
33 #include "host/libs/config/config_constants.h"
34 #include "host/libs/config/config_fragment.h"
35 #include "host/libs/config/config_utils.h"
36 #include "host/libs/config/secure_hals.h"
37 
38 namespace Json {
39 class Value;
40 }
41 
42 namespace cuttlefish {
43 
44 enum class VmmMode {
45   kUnknown,
46   kCrosvm,
47   kGem5,
48   kQemu,
49 };
50 
51 std::ostream& operator<<(std::ostream&, VmmMode);
52 std::string ToString(VmmMode mode);
53 Result<VmmMode> ParseVmm(std::string_view);
54 
55 enum class ExternalNetworkMode {
56   kUnknown,
57   kTap,
58   kSlirp,
59 };
60 
61 std::ostream& operator<<(std::ostream&, ExternalNetworkMode);
62 Result<ExternalNetworkMode> ParseExternalNetworkMode(std::string_view);
63 
64 // Holds the configuration of the cuttlefish instances.
65 class CuttlefishConfig {
66  public:
67   static const CuttlefishConfig* Get();
68   static std::unique_ptr<const CuttlefishConfig> GetFromFile(
69       const std::string& path);
70   static bool ConfigExists();
71 
72   CuttlefishConfig();
73   CuttlefishConfig(CuttlefishConfig&&);
74   ~CuttlefishConfig();
75   CuttlefishConfig& operator=(CuttlefishConfig&&);
76 
77   // Saves the configuration object in a file, it can then be read in other
78   // processes by passing the --config_file option.
79   bool SaveToFile(const std::string& file) const;
80   bool LoadFromFile(const char* file);
81 
82   bool SaveFragment(const ConfigFragment&);
83   bool LoadFragment(ConfigFragment&) const;
84 
85   std::string root_dir() const;
86   void set_root_dir(const std::string& root_dir);
87 
88   std::string instances_dir() const;
89   std::string InstancesPath(const std::string&) const;
90 
91   std::string assembly_dir() const;
92   std::string AssemblyPath(const std::string&) const;
93 
94   void set_instances_uds_dir(const std::string&);
95   std::string instances_uds_dir() const;
96   std::string InstancesUdsPath(const std::string&) const;
97 
98   void set_environments_dir(const std::string&);
99   std::string environments_dir() const;
100   std::string EnvironmentsPath(const std::string&) const;
101 
102   void set_environments_uds_dir(const std::string&);
103   std::string environments_uds_dir() const;
104   std::string EnvironmentsUdsPath(const std::string&) const;
105 
106   VmmMode vm_manager() const;
107   void set_vm_manager(VmmMode vmm);
108 
109   std::string ap_vm_manager() const;
110   void set_ap_vm_manager(const std::string& name);
111 
112   struct DisplayConfig {
113     int width;
114     int height;
115     int dpi;
116     int refresh_rate_hz;
117   };
118 
119   struct TouchpadConfig {
120     int width;
121     int height;
122 
123     static Json::Value Serialize(
124         const CuttlefishConfig::TouchpadConfig& config);
125     static TouchpadConfig Deserialize(const Json::Value& config_json);
126   };
127 
128   void set_secure_hals(const std::set<SecureHal>&);
129   Result<std::set<SecureHal>> secure_hals() const;
130 
131   void set_crosvm_binary(const std::string& crosvm_binary);
132   std::string crosvm_binary() const;
133 
134   void set_gem5_debug_flags(const std::string& gem5_debug_flags);
135   std::string gem5_debug_flags() const;
136 
137   void set_enable_host_uwb(bool enable_host_uwb);
138   bool enable_host_uwb() const;
139 
140   void set_enable_host_uwb_connector(bool enable_host_uwb);
141   bool enable_host_uwb_connector() const;
142 
143   void set_enable_host_bluetooth(bool enable_host_bluetooth);
144   bool enable_host_bluetooth() const;
145 
146   void set_enable_automotive_proxy(bool enable_automotive_proxy);
147   bool enable_automotive_proxy() const;
148 
149   // The vsock port used by vhal_proxy_server
150   void set_vhal_proxy_server_port(int port);
151   int vhal_proxy_server_port() const;
152 
153   // Bluetooth is enabled by bt_connector and rootcanal
154   void set_enable_host_bluetooth_connector(bool enable_host_bluetooth);
155   bool enable_host_bluetooth_connector() const;
156 
157   void set_enable_host_nfc(bool enable_host_nfc);
158   bool enable_host_nfc() const;
159 
160   void set_enable_host_nfc_connector(bool enable_host_nfc_connector);
161   bool enable_host_nfc_connector() const;
162 
163   void set_casimir_args(const std::string& casimir_args);
164   std::vector<std::string> casimir_args() const;
165   void set_casimir_instance_num(int casimir_instance_num);
166   int casimir_instance_num() const;
167   void set_casimir_nci_port(int port);
168   int casimir_nci_port() const;
169   void set_casimir_rf_port(int port);
170   int casimir_rf_port() const;
171 
172   // Flags for the set of radios that are connected to netsim
173   enum NetsimRadio {
174     Bluetooth = 0b00000001,
175     Wifi      = 0b00000010,
176     Uwb       = 0b00000100,
177   };
178 
179   void netsim_radio_enable(NetsimRadio flag);
180   bool netsim_radio_enabled(NetsimRadio flag) const;
181   void set_netsim_instance_num(int netsim_instance_num);
182   int netsim_instance_num() const;
183   // Netsim has a built-in connector to forward packets to another daemon based
184   // on instance number.  This is set in the serial launch case when FLAGS
185   // rootcanal_instance_num is specified. The non-netsim case uses
186   // bluetooth_connector and rootcanal_hci_port for the same purpose. Purposely
187   // restricted to legacy bluetooth serial invocation because new cases should
188   // use cvd.
189   int netsim_connector_instance_num() const;
190   void set_netsim_connector_instance_num(int netsim_instance_num);
191   void set_netsim_args(const std::string& netsim_args);
192   std::vector<std::string> netsim_args() const;
193 
194   enum class Answer {
195     kUnknown = 0,
196     kYes,
197     kNo,
198   };
199 
200   void set_enable_metrics(std::string enable_metrics);
201   CuttlefishConfig::Answer enable_metrics() const;
202 
203   void set_metrics_binary(const std::string& metrics_binary);
204   std::string metrics_binary() const;
205 
206   void set_extra_kernel_cmdline(const std::string& extra_cmdline);
207   std::vector<std::string> extra_kernel_cmdline() const;
208 
209   // A directory containing the SSL certificates for the signaling server
210   void set_webrtc_certs_dir(const std::string& certs_dir);
211   std::string webrtc_certs_dir() const;
212 
213   // The port for the webrtc signaling server. It's used by the signaling server
214   // to bind to it and by the webrtc process to connect to and register itself
215   void set_sig_server_port(int port);
216   int sig_server_port() const;
217 
218   // The address of the signaling server
219   void set_sig_server_address(const std::string& addr);
220   std::string sig_server_address() const;
221 
222   // The path section of the url where the webrtc process registers itself with
223   // the signaling server
224   void set_sig_server_path(const std::string& path);
225   std::string sig_server_path() const;
226 
227   // Whether the webrtc process should use a secure connection (WSS) to the
228   // signaling server.
229   void set_sig_server_secure(bool secure);
230   bool sig_server_secure() const;
231 
232   // Whether the webrtc process should attempt to verify the authenticity of the
233   // signaling server (reject self signed certificates)
234   void set_sig_server_strict(bool strict);
235   bool sig_server_strict() const;
236 
237   void set_host_tools_version(const std::map<std::string, uint32_t>&);
238   std::map<std::string, uint32_t> host_tools_version() const;
239 
240   void set_virtio_mac80211_hwsim(bool virtio_mac80211_hwsim);
241   bool virtio_mac80211_hwsim() const;
242 
243   void set_ap_rootfs_image(const std::string& path);
244   std::string ap_rootfs_image() const;
245 
246   void set_ap_kernel_image(const std::string& path);
247   std::string ap_kernel_image() const;
248 
249   void set_pica_uci_port(int pica_uci_port);
250   int pica_uci_port() const;
251 
252   void set_rootcanal_args(const std::string& rootcanal_args);
253   std::vector<std::string> rootcanal_args() const;
254 
255   void set_rootcanal_hci_port(int rootcanal_hci_port);
256   int rootcanal_hci_port() const;
257 
258   void set_rootcanal_link_port(int rootcanal_link_port);
259   int rootcanal_link_port() const;
260 
261   void set_rootcanal_link_ble_port(int rootcanal_link_ble_port);
262   int rootcanal_link_ble_port() const;
263 
264   void set_rootcanal_test_port(int rootcanal_test_port);
265   int rootcanal_test_port() const;
266 
267   // The path of an AP image in composite disk
268   std::string ap_image_dev_path() const;
269   void set_ap_image_dev_path(const std::string& dev_path);
270 
271   // path to the saved snapshot file(s)
272   std::string snapshot_path() const;
273   void set_snapshot_path(const std::string& snapshot_path);
274 
275   std::set<std::string> straced_host_executables() const;
276   void set_straced_host_executables(const std::set<std::string>& executables);
277 
278   bool IsCrosvm() const;
279 
280   class InstanceSpecific;
281   class MutableInstanceSpecific;
282 
283   MutableInstanceSpecific ForInstance(int instance_num);
284   InstanceSpecific ForInstance(int instance_num) const;
285   InstanceSpecific ForInstanceName(const std::string& name) const;
286   InstanceSpecific ForDefaultInstance() const;
287 
288   std::vector<InstanceSpecific> Instances() const;
289   std::vector<std::string> instance_dirs() const;
290 
291   void set_instance_names(const std::vector<std::string>& instance_names);
292   std::vector<std::string> instance_names() const;
293 
294   // A view into an existing CuttlefishConfig object for a particular instance.
295   class InstanceSpecific {
296     const CuttlefishConfig* config_;
297     std::string id_;
298     friend InstanceSpecific CuttlefishConfig::ForInstance(int num) const;
299     friend std::vector<InstanceSpecific> CuttlefishConfig::Instances() const;
300 
InstanceSpecific(const CuttlefishConfig * config,const std::string & id)301     InstanceSpecific(const CuttlefishConfig* config, const std::string& id)
302         : config_(config), id_(id) {}
303 
304     Json::Value* Dictionary();
305     const Json::Value* Dictionary() const;
306   public:
307     std::string serial_number() const;
308     // If any of the following port numbers is 0, the relevant service is not
309     // running on the guest.
310 
311     // Port number for qemu to run a vnc server on the host
312     int qemu_vnc_server_port() const;
313     // Port number to connect to the tombstone receiver on the host
314     int tombstone_receiver_port() const;
315     // Port number to connect to the config server on the host
316     int config_server_port() const;
317     // Port number to connect to the audiocontrol server on the guest
318     int audiocontrol_server_port() const;
319     // Port number to connect to the adb server on the host
320     int adb_host_port() const;
321     // Port number to connect to the fastboot server on the host
322     int fastboot_host_port() const;
323     // Device-specific ID to distinguish modem simulators. Must be 4 digits.
324     int modem_simulator_host_id() const;
325     // Port number to connect to the gnss grpc proxy server on the host
326     int gnss_grpc_proxy_server_port() const;
327     std::string adb_ip_and_port() const;
328     // Port number to connect to the camera hal on the guest
329     int camera_server_port() const;
330     // Port number to connect to the lights hal on the guest
331     int lights_server_port() const;
332 
333     std::string adb_device_name() const;
334     std::string gnss_file_path() const;
335     std::string fixed_location_file_path() const;
336     std::string mobile_bridge_name() const;
337     std::string mobile_tap_name() const;
338     std::string mobile_mac() const;
339     std::string wifi_bridge_name() const;
340     std::string wifi_tap_name() const;
341     std::string wifi_mac() const;
342     bool use_bridged_wifi_tap() const;
343     std::string ethernet_tap_name() const;
344     std::string ethernet_bridge_name() const;
345     std::string ethernet_mac() const;
346     std::string ethernet_ipv6() const;
347     uint32_t session_id() const;
348     bool use_allocd() const;
349     int vsock_guest_cid() const;
350     std::string vsock_guest_group() const;
351     std::string uuid() const;
352     std::string instance_name() const;
353     std::string environment_name() const;
354     std::vector<std::string> virtual_disk_paths() const;
355 
356     // Returns the path to a file with the given name in the instance
357     // directory..
358     std::string PerInstancePath(const std::string& file_name) const;
359     std::string PerInstanceInternalPath(const std::string& file_name) const;
360     std::string PerInstanceLogPath(const std::string& file_name) const;
361 
362     std::string CrosvmSocketPath() const;
363     std::string OpenwrtCrosvmSocketPath() const;
364     std::string instance_dir() const;
365 
366     std::string instance_internal_dir() const;
367 
368     // Return the Unix domain socket path with given name. Because the
369     // length limitation of Unix domain socket name, it needs to be in
370     // the another directory than normal Instance path.
371     std::string PerInstanceUdsPath(const std::string& file_name) const;
372     std::string PerInstanceInternalUdsPath(const std::string& file_name) const;
373     std::string PerInstanceGrpcSocketPath(const std::string& socket_name) const;
374 
375     std::string instance_uds_dir() const;
376 
377     std::string instance_internal_uds_dir() const;
378 
379     std::string touch_socket_path(int touch_dev_idx) const;
380     std::string mouse_socket_path() const;
381     std::string rotary_socket_path() const;
382     std::string keyboard_socket_path() const;
383     std::string switches_socket_path() const;
384 
385     std::string access_kregistry_path() const;
386 
387     std::string hwcomposer_pmem_path() const;
388 
389     std::string pstore_path() const;
390 
391     std::string pflash_path() const;
392 
393     std::string console_path() const;
394 
395     std::string logcat_path() const;
396 
397     std::string kernel_log_pipe_name() const;
398 
399     std::string console_pipe_prefix() const;
400     std::string console_in_pipe_name() const;
401     std::string console_out_pipe_name() const;
402 
403     std::string gnss_pipe_prefix() const;
404     std::string gnss_in_pipe_name() const;
405     std::string gnss_out_pipe_name() const;
406 
407     std::string logcat_pipe_name() const;
408     std::string restore_adbd_pipe_name() const;
409 
410     std::string launcher_log_path() const;
411 
412     std::string launcher_monitor_socket_path() const;
413 
414     std::string sdcard_path() const;
415     std::string sdcard_overlay_path() const;
416 
417     std::string persistent_composite_disk_path() const;
418     std::string persistent_composite_overlay_path() const;
419     std::string persistent_ap_composite_disk_path() const;
420     std::string persistent_ap_composite_overlay_path() const;
421 
422     std::string os_composite_disk_path() const;
423 
424     std::string ap_composite_disk_path() const;
425 
426     std::string uboot_env_image_path() const;
427 
428     std::string ap_uboot_env_image_path() const;
429 
430     std::string ap_esp_image_path() const;
431 
432     std::string esp_image_path() const;
433 
434     std::string chromeos_state_image() const;
435 
436     std::string otheros_esp_grub_config() const;
437 
438     std::string ap_esp_grub_config() const;
439 
440     std::string audio_server_path() const;
441 
442     enum class BootFlow {
443       Android,
444       AndroidEfiLoader,
445       ChromeOs,
446       ChromeOsDisk,
447       Linux,
448       Fuchsia
449     };
450 
451     BootFlow boot_flow() const;
452 
453     // modem simulator related
454     std::string modem_simulator_ports() const;
455 
456     // The device id the webrtc process should use to register with the
457     // signaling server
458     std::string webrtc_device_id() const;
459 
460     // The group id the webrtc process should use to register with the
461     // signaling server
462     std::string group_id() const;
463 
464     // Whether this instance should start the webrtc signaling server
465     bool start_webrtc_sig_server() const;
466 
467     // Whether to start a reverse proxy to the webrtc signaling server already
468     // running in the host
469     bool start_webrtc_sig_server_proxy() const;
470 
471     // Whether this instance should start a rootcanal instance
472     bool start_rootcanal() const;
473 
474     // Whether this instance should start a casimir instance
475     bool start_casimir() const;
476 
477     // Whether this instance should start a pica instance
478     bool start_pica() const;
479 
480     // Whether this instance should start a netsim instance
481     bool start_netsim() const;
482 
483     // TODO(b/288987294) Remove this when separating environment is done
484     // Whether this instance should start a wmediumd instance
485     bool start_wmediumd_instance() const;
486 
487     const Json::Value& mcu() const;
488 
489     enum class APBootFlow {
490       // Not starting AP at all (for example not the 1st instance)
491       None,
492       // Generating ESP and using U-BOOT to boot AP
493       Grub,
494       // Using legacy way to boot AP in case we cannot generate ESP image.
495       // Currently we have only one case when we cannot do it. When users
496       // have ubuntu bionic which doesn't have monolith binaris in the
497       // grub-efi-arm64-bin (for arm64) and grub-efi-ia32-bin (x86) deb packages.
498       // TODO(b/260337906): check is it possible to add grub binaries into the AOSP
499       // to deliver the proper grub environment
500       // TODO(b/260338443): use grub-mkimage from grub-common in case we cannot overcome
501       // legal issues
502       LegacyDirect
503     };
504     APBootFlow ap_boot_flow() const;
505 
506     bool crosvm_use_balloon() const;
507     bool crosvm_use_rng() const;
508     bool use_pmem() const;
509 
510     // Wifi MAC address inside the guest
511     int wifi_mac_prefix() const;
512 
513     std::string factory_reset_protected_path() const;
514 
515     std::string persistent_bootconfig_path() const;
516 
517     // used for the persistent_composite_disk vbmeta
518     std::string vbmeta_path() const;
519 
520     std::string ap_vbmeta_path() const;
521 
522     std::string id() const;
523 
524     std::string gem5_binary_dir() const;
525 
526     std::string gem5_checkpoint_dir() const;
527 
528     // Serial console
529     bool console() const;
530     std::string console_dev() const;
531     bool enable_sandbox() const;
532     bool enable_virtiofs() const;
533 
534     // KGDB configuration for kernel debugging
535     bool kgdb() const;
536 
537     // TODO (b/163575714) add virtio console support to the bootloader so the
538     // virtio console path for the console device can be taken again. When that
539     // happens, this function can be deleted along with all the code paths it
540     // forces.
541     bool use_bootloader() const;
542 
543     Arch target_arch() const;
544 
545     int cpus() const;
546 
547     std::string vcpu_config_path() const;
548 
549     std::string data_policy() const;
550 
551     int blank_data_image_mb() const;
552 
553     int gdb_port() const;
554 
555     std::vector<DisplayConfig> display_configs() const;
556     std::vector<TouchpadConfig> touchpad_configs() const;
557 
558     std::string grpc_socket_path() const;
559     int memory_mb() const;
560     int ddr_mem_mb() const;
561     std::string setupwizard_mode() const;
562     std::string userdata_format() const;
563     bool guest_enforce_security() const;
564     bool use_sdcard() const;
565     bool pause_in_bootloader() const;
566     bool run_as_daemon() const;
567     bool enable_audio() const;
568     bool enable_mouse() const;
569     bool enable_gnss_grpc_proxy() const;
570     bool enable_bootanimation() const;
571     bool enable_usb() const;
572     std::vector<std::string> extra_bootconfig_args() const;
573     bool record_screen() const;
574     std::string gem5_debug_file() const;
575     bool protected_vm() const;
576     bool mte() const;
577     std::string boot_slot() const;
578     bool fail_fast() const;
579     bool vhost_user_block() const;
580 
581     // Kernel and bootloader logging
582     bool enable_kernel_log() const;
583     bool vhost_net() const;
584     bool vhost_user_vsock() const;
585     int openthread_node_id() const;
586 
587     // Mobile network info (RIL)
588     std::string ril_dns() const;
589     std::string ril_ipaddr() const;
590     std::string ril_gateway() const;
591     std::string ril_broadcast() const;
592     uint8_t ril_prefixlen() const;
593 
594     bool enable_webrtc() const;
595     std::string webrtc_assets_dir() const;
596 
597     // The range of TCP ports available for webrtc sessions.
598     std::pair<uint16_t, uint16_t> webrtc_tcp_port_range() const;
599 
600     // The range of UDP ports available for webrtc sessions.
601     std::pair<uint16_t, uint16_t> webrtc_udp_port_range() const;
602 
603     bool smt() const;
604     std::string crosvm_binary() const;
605     std::string seccomp_policy_dir() const;
606     std::string qemu_binary_dir() const;
607 
608     // Configuration flags for a minimal device
609     bool enable_minimal_mode() const;
610     bool enable_modem_simulator() const;
611     int modem_simulator_instance_number() const;
612     int modem_simulator_sim_type() const;
613 
614     std::string gpu_mode() const;
615     std::string gpu_angle_feature_overrides_enabled() const;
616     std::string gpu_angle_feature_overrides_disabled() const;
617     std::string gpu_capture_binary() const;
618     std::string gpu_gfxstream_transport() const;
619     std::string gpu_renderer_features() const;
620     std::string gpu_context_types() const;
621     std::string guest_vulkan_driver() const;
622     bool guest_uses_bgra_framebuffers() const;
623     std::string frames_socket_path() const;
624 
625     std::string gpu_vhost_user_mode() const;
626 
627     bool enable_gpu_udmabuf() const;
628     bool enable_gpu_vhost_user() const;
629     bool enable_gpu_external_blob() const;
630     bool enable_gpu_system_blob() const;
631 
632     std::string hwcomposer() const;
633 
634     bool restart_subprocesses() const;
635 
636     // android artifacts
637     std::string boot_image() const;
638     std::string new_boot_image() const;
639     std::string init_boot_image() const;
640     std::string data_image() const;
641     std::string new_data_image() const;
642     std::string super_image() const;
643     std::string new_super_image() const;
644     std::string misc_image() const;
645     std::string misc_info_txt() const;
646     std::string metadata_image() const;
647     std::string vendor_boot_image() const;
648     std::string new_vendor_boot_image() const;
649     std::string vbmeta_image() const;
650     std::string new_vbmeta_image() const;
651     std::string vbmeta_system_image() const;
652     std::string vbmeta_vendor_dlkm_image() const;
653     std::string new_vbmeta_vendor_dlkm_image() const;
654     std::string vbmeta_system_dlkm_image() const;
655     std::string new_vbmeta_system_dlkm_image() const;
656     std::string vvmtruststore_path() const;
657     std::string default_target_zip() const;
658     std::string system_target_zip() const;
659 
660     // otheros artifacts
661     std::string otheros_esp_image() const;
662 
663     // android efi loader flow
664     std::string android_efi_loader() const;
665 
666     // chromeos artifacts for otheros flow
667     std::string chromeos_disk() const;
668     std::string chromeos_kernel_path() const;
669     std::string chromeos_root_image() const;
670 
671     // linux artifacts for otheros flow
672     std::string linux_kernel_path() const;
673     std::string linux_initramfs_path() const;
674     std::string linux_root_image() const;
675 
676     std::string fuchsia_zedboot_path() const;
677     std::string fuchsia_multiboot_bin_path() const;
678     std::string fuchsia_root_image() const;
679 
680     std::string custom_partition_path() const;
681 
682     std::string hibernation_partition_image() const;
683 
684     int blank_metadata_image_mb() const;
685     int blank_sdcard_image_mb() const;
686     std::string bootloader() const;
687     std::string initramfs_path() const;
688     std::string kernel_path() const;
689     std::string guest_android_version() const;
690     bool bootconfig_supported() const;
691     std::string filename_encryption_mode() const;
692     ExternalNetworkMode external_network_mode() const;
693 
694     bool start_vhal_proxy_server() const;
695   };
696 
697   // A view into an existing CuttlefishConfig object for a particular instance.
698   class MutableInstanceSpecific {
699     CuttlefishConfig* config_;
700     std::string id_;
701     friend MutableInstanceSpecific CuttlefishConfig::ForInstance(int num);
702 
703     MutableInstanceSpecific(CuttlefishConfig* config, const std::string& id);
704 
705     Json::Value* Dictionary();
706   public:
707     void set_serial_number(const std::string& serial_number);
708     void set_qemu_vnc_server_port(int qemu_vnc_server_port);
709     void set_tombstone_receiver_port(int tombstone_receiver_port);
710     void set_config_server_port(int config_server_port);
711     void set_frames_server_port(int config_server_port);
712     void set_touch_server_port(int config_server_port);
713     void set_keyboard_server_port(int config_server_port);
714     void set_gatekeeper_vsock_port(int gatekeeper_vsock_port);
715     void set_keymaster_vsock_port(int keymaster_vsock_port);
716     void set_audiocontrol_server_port(int audiocontrol_server_port);
717     void set_lights_server_port(int lights_server_port);
718     void set_adb_host_port(int adb_host_port);
719     void set_modem_simulator_host_id(int modem_simulator_id);
720     void set_adb_ip_and_port(const std::string& ip_port);
721     void set_fastboot_host_port(int fastboot_host_port);
722     void set_camera_server_port(int camera_server_port);
723     void set_mobile_bridge_name(const std::string& mobile_bridge_name);
724     void set_mobile_tap_name(const std::string& mobile_tap_name);
725     void set_mobile_mac(const std::string& mac);
726     void set_wifi_bridge_name(const std::string& wifi_bridge_name);
727     void set_wifi_tap_name(const std::string& wifi_tap_name);
728     void set_wifi_mac(const std::string& mac);
729     void set_use_bridged_wifi_tap(bool use_bridged_wifi_tap);
730     void set_ethernet_tap_name(const std::string& ethernet_tap_name);
731     void set_ethernet_bridge_name(const std::string& set_ethernet_bridge_name);
732     void set_ethernet_mac(const std::string& mac);
733     void set_ethernet_ipv6(const std::string& ip);
734     void set_session_id(uint32_t session_id);
735     void set_use_allocd(bool use_allocd);
736     void set_vsock_guest_cid(int vsock_guest_cid);
737     void set_vsock_guest_group(const std::string& vsock_guest_group);
738     void set_uuid(const std::string& uuid);
739     void set_environment_name(const std::string& env_name);
740     // modem simulator related
741     void set_modem_simulator_ports(const std::string& modem_simulator_ports);
742     void set_virtual_disk_paths(const std::vector<std::string>& disk_paths);
743     void set_webrtc_device_id(const std::string& id);
744     void set_group_id(const std::string& id);
745     void set_start_webrtc_signaling_server(bool start);
746     void set_start_webrtc_sig_server_proxy(bool start);
747     void set_start_rootcanal(bool start);
748     void set_start_casimir(bool start);
749     void set_start_pica(bool start);
750     void set_start_netsim(bool start);
751     // TODO(b/288987294) Remove this when separating environment is done
752     void set_start_wmediumd_instance(bool start);
753     void set_mcu(const Json::Value &v);
754     void set_ap_boot_flow(InstanceSpecific::APBootFlow flow);
755     void set_crosvm_use_balloon(const bool use_balloon);
756     void set_crosvm_use_rng(const bool use_rng);
757     void set_use_pmem(const bool use_pmem);
758     // Wifi MAC address inside the guest
759     void set_wifi_mac_prefix(const int wifi_mac_prefix);
760     // Gnss grpc proxy server port inside the host
761     void set_gnss_grpc_proxy_server_port(int gnss_grpc_proxy_server_port);
762     // Gnss grpc proxy local file path
763     void set_gnss_file_path(const std::string &gnss_file_path);
764     void set_fixed_location_file_path(
765         const std::string& fixed_location_file_path);
766     void set_gem5_binary_dir(const std::string& gem5_binary_dir);
767     void set_gem5_checkpoint_dir(const std::string& gem5_checkpoint_dir);
768     // Serial console
769     void set_console(bool console);
770     void set_enable_sandbox(const bool enable_sandbox);
771     void set_enable_virtiofs(const bool enable_virtiofs);
772     void set_kgdb(bool kgdb);
773     void set_target_arch(Arch target_arch);
774     void set_cpus(int cpus);
775     void set_vcpu_config_path(const std::string& vcpu_config_path);
776     void set_data_policy(const std::string& data_policy);
777     void set_blank_data_image_mb(int blank_data_image_mb);
778     void set_gdb_port(int gdb_port);
779     void set_display_configs(const std::vector<DisplayConfig>& display_configs);
780     void set_touchpad_configs(
781         const std::vector<TouchpadConfig>& touchpad_configs);
782     void set_memory_mb(int memory_mb);
783     void set_ddr_mem_mb(int ddr_mem_mb);
784     Result<void> set_setupwizard_mode(const std::string& title);
785     void set_userdata_format(const std::string& userdata_format);
786     void set_guest_enforce_security(bool guest_enforce_security);
787     void set_use_sdcard(bool use_sdcard);
788     void set_pause_in_bootloader(bool pause_in_bootloader);
789     void set_run_as_daemon(bool run_as_daemon);
790     void set_enable_audio(bool enable);
791     void set_enable_mouse(bool enable);
792     void set_enable_usb(bool enable);
793     void set_enable_gnss_grpc_proxy(const bool enable_gnss_grpc_proxy);
794     void set_enable_bootanimation(const bool enable_bootanimation);
795     void set_extra_bootconfig_args(const std::string& extra_bootconfig_args);
796     void set_record_screen(bool record_screen);
797     void set_gem5_debug_file(const std::string& gem5_debug_file);
798     void set_protected_vm(bool protected_vm);
799     void set_mte(bool mte);
800     void set_boot_slot(const std::string& boot_slot);
801     void set_grpc_socket_path(const std::string& sockets);
802     void set_fail_fast(bool fail_fast);
803     void set_vhost_user_block(bool qemu_vhost_user_block);
804 
805     // Kernel and bootloader logging
806     void set_enable_kernel_log(bool enable_kernel_log);
807 
808     void set_enable_webrtc(bool enable_webrtc);
809     void set_webrtc_assets_dir(const std::string& webrtc_assets_dir);
810 
811     // The range of TCP ports available for webrtc sessions.
812     void set_webrtc_tcp_port_range(std::pair<uint16_t, uint16_t> range);
813 
814     // The range of UDP ports available for webrtc sessions.
815     void set_webrtc_udp_port_range(std::pair<uint16_t, uint16_t> range);
816 
817     void set_smt(bool smt);
818     void set_crosvm_binary(const std::string& crosvm_binary);
819     void set_seccomp_policy_dir(const std::string& seccomp_policy_dir);
820     void set_qemu_binary_dir(const std::string& qemu_binary_dir);
821 
822     void set_vhost_net(bool vhost_net);
823     void set_vhost_user_vsock(bool vhost_user_vsock);
824 
825     void set_openthread_node_id(int node_id);
826 
827     // Mobile network (RIL)
828     void set_ril_dns(const std::string& ril_dns);
829     void set_ril_ipaddr(const std::string& ril_ipaddr);
830     void set_ril_gateway(const std::string& ril_gateway);
831     void set_ril_broadcast(const std::string& ril_broadcast);
832     void set_ril_prefixlen(uint8_t ril_prefixlen);
833 
834     // Configuration flags for a minimal device
835     void set_enable_minimal_mode(bool enable_minimal_mode);
836     void set_enable_modem_simulator(bool enable_modem_simulator);
837     void set_modem_simulator_instance_number(int instance_numbers);
838     void set_modem_simulator_sim_type(int sim_type);
839 
840     void set_gpu_mode(const std::string& name);
841     void set_gpu_angle_feature_overrides_enabled(const std::string& overrides);
842     void set_gpu_angle_feature_overrides_disabled(const std::string& overrides);
843     void set_gpu_capture_binary(const std::string&);
844     void set_gpu_gfxstream_transport(const std::string& transport);
845     void set_gpu_renderer_features(const std::string& features);
846     void set_gpu_context_types(const std::string& context_types);
847     void set_guest_vulkan_driver(const std::string& driver);
848     void set_guest_uses_bgra_framebuffers(bool uses_bgra);
849     void set_frames_socket_path(const std::string& driver);
850 
851     void set_enable_gpu_udmabuf(const bool enable_gpu_udmabuf);
852     void set_enable_gpu_vhost_user(const bool enable_gpu_vhost_user);
853     void set_enable_gpu_external_blob(const bool enable_gpu_external_blob);
854     void set_enable_gpu_system_blob(const bool enable_gpu_system_blob);
855 
856     void set_hwcomposer(const std::string&);
857 
858     void set_restart_subprocesses(bool restart_subprocesses);
859 
860     // system image files
861     void set_boot_image(const std::string& boot_image);
862     void set_new_boot_image(const std::string& new_boot_image);
863     void set_init_boot_image(const std::string& init_boot_image);
864     void set_data_image(const std::string& data_image);
865     void set_new_data_image(const std::string& new_data_image);
866     void set_super_image(const std::string& super_image);
867     void set_new_super_image(const std::string& super_image);
868     void set_misc_info_txt(const std::string& misc_image);
869     void set_vendor_boot_image(const std::string& vendor_boot_image);
870     void set_new_vendor_boot_image(const std::string& new_vendor_boot_image);
871     void set_vbmeta_image(const std::string& vbmeta_image);
872     void set_new_vbmeta_image(const std::string& new_vbmeta_image);
873     void set_vbmeta_system_image(const std::string& vbmeta_system_image);
874     void set_vbmeta_vendor_dlkm_image(
875         const std::string& vbmeta_vendor_dlkm_image);
876     void set_new_vbmeta_vendor_dlkm_image(
877         const std::string& vbmeta_vendor_dlkm_image);
878     void set_vbmeta_system_dlkm_image(
879         const std::string& vbmeta_system_dlkm_image);
880     void set_new_vbmeta_system_dlkm_image(
881         const std::string& vbmeta_system_dlkm_image);
882     void set_vvmtruststore_path(const std::string& vvmtruststore_path);
883     void set_default_target_zip(const std::string& default_target_zip);
884     void set_system_target_zip(const std::string& system_target_zip);
885     void set_otheros_esp_image(const std::string& otheros_esp_image);
886     void set_android_efi_loader(const std::string& android_efi_loader);
887     void set_chromeos_disk(const std::string& chromeos_disk);
888     void set_chromeos_kernel_path(const std::string& linux_kernel_path);
889     void set_chromeos_root_image(const std::string& linux_root_image);
890     void set_linux_kernel_path(const std::string& linux_kernel_path);
891     void set_linux_initramfs_path(const std::string& linux_initramfs_path);
892     void set_linux_root_image(const std::string& linux_root_image);
893     void set_fuchsia_zedboot_path(const std::string& fuchsia_zedboot_path);
894     void set_fuchsia_multiboot_bin_path(const std::string& fuchsia_multiboot_bin_path);
895     void set_fuchsia_root_image(const std::string& fuchsia_root_image);
896     void set_custom_partition_path(const std::string& custom_partition_path);
897     void set_blank_metadata_image_mb(int blank_metadata_image_mb);
898     void set_blank_sdcard_image_mb(int blank_sdcard_image_mb);
899     void set_bootloader(const std::string& bootloader);
900     void set_initramfs_path(const std::string& initramfs_path);
901     void set_kernel_path(const std::string& kernel_path);
902     void set_guest_android_version(const std::string& guest_android_version);
903     void set_bootconfig_supported(bool bootconfig_supported);
904     void set_filename_encryption_mode(const std::string& userdata_format);
905     void set_external_network_mode(ExternalNetworkMode network_mode);
906     void set_hibernation_partition_image(
907         const std::string& hibernation_partition_image);
908 
909     // Whether we should start vhal_proxy_server for the guest-side VHAL to
910     // connect to.
911     void set_start_vhal_proxy_server(bool enable_vhal_proxy_server);
912 
913    private:
914     void SetPath(const std::string& key, const std::string& path);
915   };
916 
917   class EnvironmentSpecific;
918   class MutableEnvironmentSpecific;
919 
920   MutableEnvironmentSpecific ForEnvironment(const std::string& envName);
921   EnvironmentSpecific ForEnvironment(const std::string& envName) const;
922 
923   MutableEnvironmentSpecific ForDefaultEnvironment();
924   EnvironmentSpecific ForDefaultEnvironment() const;
925 
926   std::vector<std::string> environment_dirs() const;
927 
928   class EnvironmentSpecific {
929     friend EnvironmentSpecific CuttlefishConfig::ForEnvironment(
930         const std::string&) const;
931     friend EnvironmentSpecific CuttlefishConfig::ForDefaultEnvironment() const;
932 
933     const CuttlefishConfig* config_;
934     std::string envName_;
935 
EnvironmentSpecific(const CuttlefishConfig * config,const std::string & envName)936     EnvironmentSpecific(const CuttlefishConfig* config,
937                         const std::string& envName)
938         : config_(config), envName_(envName) {}
939 
940     Json::Value* Dictionary();
941     const Json::Value* Dictionary() const;
942 
943    public:
944     std::string environment_name() const;
945 
946     std::string environment_uds_dir() const;
947     std::string PerEnvironmentUdsPath(const std::string& file_name) const;
948 
949     std::string environment_dir() const;
950     std::string PerEnvironmentPath(const std::string& file_name) const;
951 
952     std::string PerEnvironmentLogPath(const std::string& file_name) const;
953 
954     std::string PerEnvironmentGrpcSocketPath(
955         const std::string& file_name) const;
956 
957     std::string control_socket_path() const;
958     std::string launcher_log_path() const;
959 
960     std::string casimir_nci_socket_path() const;
961     std::string casimir_rf_socket_path() const;
962 
963     // wmediumd related configs
964     bool enable_wifi() const;
965     bool start_wmediumd() const;
966     std::string vhost_user_mac80211_hwsim() const;
967     std::string wmediumd_api_server_socket() const;
968     std::string wmediumd_config() const;
969     int wmediumd_mac_prefix() const;
970   };
971 
972   class MutableEnvironmentSpecific {
973     friend MutableEnvironmentSpecific CuttlefishConfig::ForEnvironment(
974         const std::string&);
975     friend MutableEnvironmentSpecific CuttlefishConfig::ForDefaultEnvironment();
976 
977     CuttlefishConfig* config_;
978     std::string envName_;
979 
MutableEnvironmentSpecific(CuttlefishConfig * config,const std::string & envName)980     MutableEnvironmentSpecific(CuttlefishConfig* config,
981                                const std::string& envName)
982         : config_(config), envName_(envName) {}
983 
984     Json::Value* Dictionary();
985 
986    public:
987     // wmediumd related configs
988     void set_enable_wifi(const bool enable_wifi);
989     void set_start_wmediumd(bool start);
990     void set_vhost_user_mac80211_hwsim(const std::string& path);
991     void set_wmediumd_api_server_socket(const std::string& path);
992     void set_wmediumd_config(const std::string& path);
993     void set_wmediumd_mac_prefix(int mac_prefix);
994   };
995 
996  private:
997   std::unique_ptr<Json::Value> dictionary_;
998 
999   static CuttlefishConfig* BuildConfigImpl(const std::string& path);
1000 
1001   CuttlefishConfig(const CuttlefishConfig&) = delete;
1002   CuttlefishConfig& operator=(const CuttlefishConfig&) = delete;
1003 };
1004 
1005 // Whether the instance is restored from a snapshot. Stays true until the device
1006 // reboots.
1007 // When the device is booting, the config  init function checks if
1008 // "FLAGS_snapshot_path" is not empty, and if it isn't empty, a file called
1009 // "restore" will be created to keep track of the restore.
1010 // This is necessary because we don't want to
1011 // modify the config when the device boots, however we also want to only restore
1012 // once. Tracking via "restore" is necessary as a bug existed when checking if
1013 // "snapshot_path" existed during boot, where a restart or a powerwash of the
1014 // device would actually perform a restore instead of their respective actions.
1015 bool IsRestoring(const CuttlefishConfig&);
1016 
1017 // Vhost-user-vsock modes
1018 extern const char* const kVhostUserVsockModeAuto;
1019 extern const char* const kVhostUserVsockModeTrue;
1020 extern const char* const kVhostUserVsockModeFalse;
1021 
1022 // GPU modes
1023 extern const char* const kGpuModeAuto;
1024 extern const char* const kGpuModeCustom;
1025 extern const char* const kGpuModeDrmVirgl;
1026 extern const char* const kGpuModeGfxstream;
1027 extern const char* const kGpuModeGfxstreamGuestAngle;
1028 extern const char* const kGpuModeGfxstreamGuestAngleHostSwiftShader;
1029 extern const char* const kGpuModeGuestSwiftshader;
1030 extern const char* const kGpuModeNone;
1031 
1032 // GPU vhost user modes
1033 extern const char* const kGpuVhostUserModeAuto;
1034 extern const char* const kGpuVhostUserModeOn;
1035 extern const char* const kGpuVhostUserModeOff;
1036 
1037 // HwComposer modes
1038 extern const char* const kHwComposerAuto;
1039 extern const char* const kHwComposerDrm;
1040 extern const char* const kHwComposerRanchu;
1041 extern const char* const kHwComposerNone;
1042 }  // namespace cuttlefish
1043 
1044 #if FMT_VERSION >= 90000
1045 template <>
1046 struct fmt::formatter<cuttlefish::ExternalNetworkMode> : ostream_formatter {};
1047 template <>
1048 struct fmt::formatter<cuttlefish::VmmMode> : ostream_formatter {};
1049 #endif
1050