NativeLauncher/launcher/main.cc

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   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
  17 #include "dotnet/dotnet_launcher.h"
  18 #include "utils.h"
  19 #include "log.h"
  20
  21 #include <cstdio>
  22 #include <vector>
  23 #include <memory>
  24
  25 #include <Eina.h>
  26 #include <aul.h>
  27 #include <sys/types.h>
  28 #include <unistd.h>
  29
  30 // By the specification, application id must be shorter than 50 characters.
  31 // Current length of argv[0] is 25 with a space. ("/usr/bin/dotnet-launcher ")
  32 // To be able to change argv[0] when standalone mode padding for executable path is added.
  33 #define APPID_MAX_LENGTH        (25 + 105)
  34
  35 static std::string StandaloneOption("--standalone");
  36 static std::string PaddingOption("--PADDING_TO_CHANGE_CMDLINE_PADDING_TO_CHANGE_CMDLINE_PADDING_TO_CHANGE_CMDLINE_PADDING_TO_CHANGE_CMDLINE");
  37
  38 extern "C" int realMain(int argc, char *argv[], const char* mode)
  39 {
  40         int i;
  41         bool standaloneMode = false;
  42         char* standalonePath = nullptr;
  43         bool corerunMode = false;
  44         bool paddingExist = false;
  45
  46         std::vector<char*> vargs;
  47
  48         // start index 1 to avoid passing executable name "dotnet-launcher" as a parameter
  49         for (i = 1; i < argc; i++) {
  50                 if (StandaloneOption.compare(argv[i]) == 0) {
  51                         standaloneMode = true;
  52
  53                         if (i > argc - 1) {
  54                                 fprintf(stderr, "Assembly path must be after \"--standalone\" option\n");
  55                                 return 1;
  56                         }
  57                         i++;
  58                         standalonePath = argv[i];
  59                 } else if (PaddingOption.compare(argv[i]) == 0) {
  60                         paddingExist = true;
  61                 } else {
  62                         vargs.push_back(argv[i]);
  63                 }
  64         }
  65
  66         if (isManagedAssembly(argv[1]) || isNativeImage(argv[1])) {
  67                 corerunMode = true;
  68         }
  69
  70         using tizen::runtime::Launchpad;
  71         using tizen::runtime::AppInfo;
  72         using tizen::runtime::dotnetcore::CoreRuntime;
  73
  74         std::unique_ptr<CoreRuntime> runtime(new CoreRuntime(mode));
  75
  76         if (corerunMode) {
  77                 _INFO("##### Run in corerun mode #####");
  78                 char appId[APPID_MAX_LENGTH] = {0,};
  79                 std::string appRoot;
  80                 snprintf(appId, 16, "%s", "dotnet-launcher");
  81                 appRoot = baseName(argv[1]);
  82
  83                 if (runtime->initialize(true, false) != 0) {
  84                         _ERR("Failed to initialize");
  85                         return 1;
  86                 }
  87
  88                 int argsLen = vargs.size() - 1;
  89                 char** args = &vargs[1];
  90                 if (runtime->launch(appId, appRoot.c_str(), argv[1], argsLen, args)) {
  91                         _ERR("Failed to launch");
  92                         return 1;
  93                 }
  94         } else if (standaloneMode) {
  95                 _INFO("##### Run in standalone mode #####");
  96                 char appId[APPID_MAX_LENGTH] = {0,};
  97                 std::string appRoot;
  98                 if (AUL_R_OK == aul_app_get_appid_bypid(getpid(), appId, sizeof(appId))) {
  99                         const char* appRootPath = aul_get_app_root_path();
 100                         if (appRootPath != nullptr)
 101                                 appRoot = std::string(appRootPath);
 102                 } else {
 103                         // If appId is not set, it is executed directly by cmdline.
 104                         // In this case, appRoot is passed as an argument.
 105                         snprintf(appId, 16, "%s", "dotnet-launcher");
 106                         appRoot = baseName(baseName(standalonePath));
 107                 }
 108                 _INFO("AUL_APPID : %s", appId);
 109
 110                 if (runtime->initialize(true, true) != 0) {
 111                         _ERR("Failed to initialize");
 112                         return 1;
 113                 }
 114
 115                 // change cmdline from dotnet-launcher to executable path
 116                 int cmdlineSize = paddingExist ? APPID_MAX_LENGTH : APPID_MAX_LENGTH - PaddingOption.length();
 117                 memset(argv[0], '\0', cmdlineSize);
 118                 snprintf(argv[0], cmdlineSize, "%s", standalonePath);
 119
 120                 int argsLen = vargs.size();
 121                 char** args = &vargs[0];
 122                 if (runtime->launch(appId, appRoot.c_str(), standalonePath, argsLen, args)) {
 123                         _ERR("Failed to launch");
 124                         return 1;
 125                 }
 126         } else {
 127                 // change cmdline from dotnet-hydra-launcher to dotnet-launcher
 128                 if (strcmp(argv[0], "/usr/bin/dotnet-hydra-launcher") == 0) {
 129                         memset(argv[0], '\0', strlen("/usr/bin/dotnet-hydra-launcher"));
 130                         snprintf(argv[0], strlen("/usr/bin/dotnet-launcher") + 1, "/usr/bin/dotnet-launcher");
 131                 }
 132
 133                 Launchpad.onCreate = [&runtime]() {
 134                         if (runtime->initialize(false, true) != 0) {
 135                                 _ERR("Failed to initialized");
 136                         } else {
 137                                 _INFO("Success to initialized");
 138                         }
 139                 };
 140
 141                 Launchpad.onTerminate = [&runtime](const AppInfo& appInfo, int argc, char** argv) {
 142                         _INFO("launch request with app path : %s", appInfo.path.c_str());
 143                         _INFO("appId : %s", appInfo.id.c_str());
 144                         _INFO("pkg : %s", appInfo.pkg.c_str());
 145
 146                         // aul_get_app_root_path() can return NULL for error case.
 147                         if (appInfo.root.empty()) {
 148                                 _ERR("Failed to launch. root path is set to NULL");
 149                         } else {
 150                                 // The launchpad pass the name of exe file to the first argument.
 151                                 // For the C# spec, we have to skip this first argument.
 152                                 if (runtime->launch(appInfo.id.c_str(), appInfo.root.c_str(), appInfo.path.c_str(), argc-1, argv+1))
 153                                         _ERR("Failed to launch");
 154                         }
 155                 };
 156                 int ret = Launchpad.loaderMain(argc, argv);
 157                 if (ret < 0) {
 158                         _ERR("fail to start loaderMain. candidate process is not created.");
 159                         return 1;
 160                 }
 161         }
 162
 163         return 0;
 164 }
 165
 166 int main(int argc, char *argv[])
 167 {
 168         return realMain(argc, argv, "default");
 169 }