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 <Ecore.h>
  26 #include <Eina.h>
  27 #include <aul.h>
  28 #include <sys/types.h>
  29 #include <unistd.h>
  30
  31 // By the specification, application id must be shorter than 50 characters.
  32 // Current length of argv[0] is 25 with a space. ("/usr/bin/dotnet-launcher ")
  33 // To be able to change argv[0] when standalone mode padding for executable path is added.
  34 #define APPID_MAX_LENGTH        (25 + 105)
  35
  36 static std::string StandaloneOption("--standalone");
  37 static std::string PaddingOption("--PADDING_TO_CHANGE_CMDLINE_PADDING_TO_CHANGE_CMDLINE_PADDING_TO_CHANGE_CMDLINE_PADDING_TO_CHANGE_CMDLINE");
  38
  39 extern "C" int realMain(int argc, char *argv[], const char* mode)
  40 {
  41         int i;
  42         bool standaloneMode = false;
  43         char* standalonePath = nullptr;
  44         bool corerunMode = false;
  45         bool paddingExist = false;
  46
  47         std::vector<char*> vargs;
  48
  49         // start index 1 to avoid passing executable name "dotnet-launcher" as a parameter
  50         for (i = 1; i < argc; i++) {
  51                 if (StandaloneOption.compare(argv[i]) == 0) {
  52                         standaloneMode = true;
  53
  54                         if (i > argc - 1) {
  55                                 fprintf(stderr, "Assembly path must be after \"--standalone\" option\n");
  56                                 return 1;
  57                         }
  58                         i++;
  59                         standalonePath = argv[i];
  60                 } else if (PaddingOption.compare(argv[i]) == 0) {
  61                         paddingExist = true;
  62                 } else {
  63                         vargs.push_back(argv[i]);
  64                 }
  65         }
  66
  67         if (isManagedAssembly(argv[1]) || isNativeImage(argv[1])) {
  68                 corerunMode = true;
  69         }
  70
  71         using tizen::runtime::Launchpad;
  72         using tizen::runtime::AppInfo;
  73         using tizen::runtime::dotnetcore::CoreRuntime;
  74
  75         std::unique_ptr<CoreRuntime> runtime(new CoreRuntime(mode));
  76
  77         // Intiailize ecore first (signal handlers, etc.) before runtime init.
  78         ecore_init();
  79
  80         if (corerunMode) {
  81                 _INFO("##### Run in corerun mode #####");
  82                 char appId[APPID_MAX_LENGTH] = {0,};
  83                 std::string appRoot;
  84                 snprintf(appId, 16, "%s", "dotnet-launcher");
  85                 appRoot = baseName(argv[1]);
  86
  87                 if (runtime->initialize(true, false) != 0) {
  88                         _ERR("Failed to initialize");
  89                         return 1;
  90                 }
  91
  92                 int argsLen = vargs.size() - 1;
  93                 char** args = &vargs[1];
  94                 if (runtime->launch(appId, appRoot.c_str(), argv[1], argsLen, args)) {
  95                         _ERR("Failed to launch");
  96                         return 1;
  97                 }
  98         } else if (standaloneMode) {
  99                 _INFO("##### Run in standalone mode #####");
 100                 char appId[APPID_MAX_LENGTH] = {0,};
 101                 std::string appRoot;
 102                 if (AUL_R_OK == aul_app_get_appid_bypid(getpid(), appId, sizeof(appId))) {
 103                         const char* appRootPath = aul_get_app_root_path();
 104                         if (appRootPath != nullptr)
 105                                 appRoot = std::string(appRootPath);
 106                 } else {
 107                         // If appId is not set, it is executed directly by cmdline.
 108                         // In this case, appRoot is passed as an argument.
 109                         snprintf(appId, 16, "%s", "dotnet-launcher");
 110                         appRoot = baseName(baseName(standalonePath));
 111                 }
 112                 _INFO("AUL_APPID : %s", appId);
 113
 114                 if (runtime->initialize(true, true) != 0) {
 115                         _ERR("Failed to initialize");
 116                         return 1;
 117                 }
 118
 119                 // change cmdline from dotnet-launcher to executable path
 120                 int cmdlineSize = paddingExist ? APPID_MAX_LENGTH : APPID_MAX_LENGTH - PaddingOption.length();
 121                 memset(argv[0], '\0', cmdlineSize);
 122                 snprintf(argv[0], cmdlineSize, "%s", standalonePath);
 123
 124                 int argsLen = vargs.size();
 125                 char** args = &vargs[0];
 126                 if (runtime->launch(appId, appRoot.c_str(), standalonePath, argsLen, args)) {
 127                         _ERR("Failed to launch");
 128                         return 1;
 129                 }
 130         } else {
 131                 // change cmdline from dotnet-hydra-launcher to dotnet-launcher
 132                 if (strcmp(argv[0], "/usr/bin/dotnet-hydra-launcher") == 0) {
 133                         memset(argv[0], '\0', strlen("/usr/bin/dotnet-hydra-launcher"));
 134                         snprintf(argv[0], strlen("/usr/bin/dotnet-launcher") + 1, "/usr/bin/dotnet-launcher");
 135                 }
 136
 137                 Launchpad.onCreate = [&runtime]() {
 138                         if (runtime->initialize(false, true) != 0) {
 139                                 _ERR("Failed to initialized");
 140                         } else {
 141                                 _INFO("Success to initialized");
 142                         }
 143                 };
 144
 145                 Launchpad.onTerminate = [&runtime](const AppInfo& appInfo, int argc, char** argv) {
 146                         _INFO("launch request with app path : %s", appInfo.path.c_str());
 147                         _INFO("appId : %s", appInfo.id.c_str());
 148                         _INFO("pkg : %s", appInfo.pkg.c_str());
 149
 150                         // aul_get_app_root_path() can return NULL for error case.
 151                         if (appInfo.root.empty()) {
 152                                 _ERR("Failed to launch. root path is set to NULL");
 153                         } else {
 154                                 // The launchpad pass the name of exe file to the first argument.
 155                                 // For the C# spec, we have to skip this first argument.
 156                                 if (runtime->launch(appInfo.id.c_str(), appInfo.root.c_str(), appInfo.path.c_str(), argc-1, argv+1))
 157                                         _ERR("Failed to launch");
 158                         }
 159                 };
 160                 int ret = Launchpad.loaderMain(argc, argv);
 161                 if (ret < 0) {
 162                         _ERR("fail to start loaderMain. candidate process is not created.");
 163                         return 1;
 164                 }
 165         }
 166
 167         return 0;
 168 }
 169
 170 int main(int argc, char *argv[])
 171 {
 172         return realMain(argc, argv, "default");
 173 }