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| 1 | +/* |
| 2 | + * Copyright (c) 2014, Oracle and/or its affiliates. |
| 3 | + * All rights reserved. Use is subject to license terms. |
| 4 | + * |
| 5 | + * This file is available and licensed under the following license: |
| 6 | + * |
| 7 | + * Redistribution and use in source and binary forms, with or without |
| 8 | + * modification, are permitted provided that the following conditions |
| 9 | + * are met: |
| 10 | + * |
| 11 | + * - Redistributions of source code must retain the above copyright |
| 12 | + * notice, this list of conditions and the following disclaimer. |
| 13 | + * - Redistributions in binary form must reproduce the above copyright |
| 14 | + * notice, this list of conditions and the following disclaimer in |
| 15 | + * the documentation and/or other materials provided with the distribution. |
| 16 | + * - Neither the name of Oracle Corporation nor the names of its |
| 17 | + * contributors may be used to endorse or promote products derived |
| 18 | + * from this software without specific prior written permission. |
| 19 | + * |
| 20 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | + */ |
| 32 | + |
| 33 | + |
| 34 | +#include <dlfcn.h> |
| 35 | +#include <locale.h> |
| 36 | +#include <string> |
| 37 | +#include <libgen.h> |
| 38 | +#include <stdio.h> |
| 39 | +#include <unistd.h> |
| 40 | + |
| 41 | + |
| 42 | +typedef bool (*start_launcher)(int argc, char* argv[]); |
| 43 | +typedef void (*stop_launcher)(); |
| 44 | + |
| 45 | +#define MAX_PATH 1024 |
| 46 | + |
| 47 | +std::string GetProgramPath() { |
| 48 | + std::string result; |
| 49 | + char *buffer = new char[MAX_PATH]; |
| 50 | + |
| 51 | + if (buffer != NULL) { |
| 52 | + if (readlink("/proc/self/exe", buffer, MAX_PATH - 1) != -1) { |
| 53 | + buffer[MAX_PATH - 1] = '\0'; |
| 54 | + result = buffer; |
| 55 | + } |
| 56 | + |
| 57 | + delete[] buffer; |
| 58 | + } |
| 59 | + |
| 60 | + return result; |
| 61 | +} |
| 62 | + |
| 63 | +int main(int argc, char *argv[]) { |
| 64 | + int result = 1; |
| 65 | + setlocale(LC_ALL, "en_US.utf8"); |
| 66 | + void* library = NULL; |
| 67 | + |
| 68 | + { |
| 69 | + std::string programPath = GetProgramPath(); |
| 70 | + std::string libraryName = dirname((char*)programPath.c_str()); |
| 71 | + libraryName += "/libpackager.so"; |
| 72 | + library = dlopen(libraryName.c_str(), RTLD_LAZY); |
| 73 | + |
| 74 | + if (library == NULL) { |
| 75 | + printf("%s not found.\n", libraryName.c_str()); |
| 76 | + } |
| 77 | + } |
| 78 | + |
| 79 | + if (library != NULL) { |
| 80 | + start_launcher start = (start_launcher)dlsym(library, "start_launcher"); |
| 81 | + stop_launcher stop = (stop_launcher)dlsym(library, "stop_launcher"); |
| 82 | + |
| 83 | + if (start(argc, argv) == true) { |
| 84 | + result = 0; |
| 85 | + |
| 86 | + if (stop != NULL) { |
| 87 | + stop(); |
| 88 | + } |
| 89 | + } |
| 90 | + |
| 91 | + dlclose(library); |
| 92 | + } |
| 93 | + |
| 94 | + |
| 95 | + return result; |
| 96 | +} |
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