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1 /*
2  * Copyright (C) 2022 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 #include <android-base/logging.h>
17 #include <android-base/strings.h>
18 
19 #include "host/commands/assemble_cvd/flags_defaults.h"
20 #include "host/commands/cvd/parser/cf_configs_common.h"
21 #include "host/commands/cvd/parser/instance/cf_vm_configs.h"
22 #include "host/libs/config/cuttlefish_config.h"
23 
24 #define UI_DEFAULTS_MEMORY_MB 2048
25 
26 namespace cuttlefish {
27 
InitVmManagerConfig(Json::Value & instances)28 void InitVmManagerConfig(Json::Value& instances) {
29   // Allocate and initialize with default values
30   int size = instances.size();
31   for (int i = 0; i < size; i++) {
32     if (instances[i].isMember("vm")) {
33       if (instances[i]["vm"].isMember("crosvm")) {
34         instances[i]["vm"]["vm_manager"] = "crosvm";
35       } else if (instances[i]["vm"].isMember("qemu")) {
36         instances[i]["vm"]["vm_manager"] = "qemu_cli";
37       } else if (instances[i]["vm"].isMember("gem5")) {
38         instances[i]["vm"]["vm_manager"] = "gem5";
39       } else {
40         // Set vm manager to default value (crosvm)
41         instances[i]["vm"]["vm_manager"] = "crosvm";
42       }
43     } else {
44       // vm object doesn't exist , set the default vm manager to crosvm
45       instances[i]["vm"]["vm_manager"] = "crosvm";
46     }
47   }
48 }
49 
InitVmConfigs(Json::Value & instances)50 void InitVmConfigs(Json::Value& instances) {
51   InitIntConfig(instances, "vm", "cpus", CF_DEFAULTS_CPUS);
52   InitIntConfig(instances, "vm", "memory_mb", UI_DEFAULTS_MEMORY_MB);
53   InitBoolConfig(instances, "vm", "use_sdcard", CF_DEFAULTS_USE_SDCARD);
54   InitStringConfig(instances, "vm", "setupwizard_mode",
55                    CF_DEFAULTS_SETUPWIZARD_MODE);
56   InitStringConfig(instances, "vm", "uuid", CF_DEFAULTS_UUID);
57   InitVmManagerConfig(instances);
58   InitBoolConfigSubGroup(instances, "vm", "crosvm", "enable_sandbox",
59                          CF_DEFAULTS_ENABLE_SANDBOX);
60 }
61 
GenerateCustomConfigsFlags(const Json::Value & instances)62 std::vector<std::string> GenerateCustomConfigsFlags(
63     const Json::Value& instances) {
64   std::vector<std::string> result;
65   int size = instances.size();
66   for (int i = 0; i < size; i++) {
67     if (instances[i].isMember("vm") &&
68         instances[i]["vm"].isMember("custom_actions")) {
69       Json::StreamWriterBuilder factory;
70       std::string mapped_text =
71           Json::writeString(factory, instances[i]["vm"]["custom_actions"]);
72       // format json string string to match aosp/2374890 input format
73       mapped_text = android::base::StringReplace(mapped_text, "\n", "", true);
74       mapped_text = android::base::StringReplace(mapped_text, "\r", "", true);
75       mapped_text =
76           android::base::StringReplace(mapped_text, "\"", "\\\"", true);
77       std::stringstream buff;
78       buff << "--custom_actions=" << mapped_text;
79       result.emplace_back(buff.str());
80     } else {
81       // custom_actions parameter doesn't exist in the configuration file
82       result.emplace_back("--custom_actions=unset");
83     }
84   }
85   return result;
86 }
87 
GenerateVmFlags(const Json::Value & instances)88 std::vector<std::string> GenerateVmFlags(const Json::Value& instances) {
89   std::vector<std::string> result;
90   result.emplace_back(GenerateGflag(instances, "cpus", "vm", "cpus"));
91   result.emplace_back(GenerateGflag(instances, "memory_mb", "vm", "memory_mb"));
92   result.emplace_back(
93       GenerateGflag(instances, "use_sdcard", "vm", "use_sdcard"));
94   result.emplace_back(
95       GenerateGflag(instances, "vm_manager", "vm", "vm_manager"));
96   result.emplace_back(
97       GenerateGflag(instances, "setupwizard_mode", "vm", "setupwizard_mode"));
98   if (!GENERATE_MVP_FLAGS_ONLY) {
99     result.emplace_back(GenerateGflag(instances, "uuid", "vm", "uuid"));
100   }
101   result.emplace_back(GenerateGflagSubGroup(instances, "enable_sandbox", "vm",
102                                             "crosvm", "enable_sandbox"));
103 
104   result = MergeResults(result, GenerateCustomConfigsFlags(instances));
105 
106   return result;
107 }
108 
109 }  // namespace cuttlefish
110