[280] | 1 | /* rinstallprogress.cc |
---|
| 2 | * |
---|
| 3 | * Copyright (c) 2000, 2001 Conectiva S/A |
---|
| 4 | * 2002 Michael Vogt |
---|
| 5 | * |
---|
| 6 | * Author: Alfredo K. Kojima <kojima@conectiva.com.br> |
---|
| 7 | * Michael Vogt <mvo@debian.org> |
---|
| 8 | * |
---|
| 9 | * This program is free software; you can redistribute it and/or |
---|
| 10 | * modify it under the terms of the GNU General Public License as |
---|
| 11 | * published by the Free Software Foundation; either version 2 of the |
---|
| 12 | * License, or (at your option) any later version. |
---|
| 13 | * |
---|
| 14 | * This program is distributed in the hope that it will be useful, |
---|
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 17 | * GNU General Public License for more details. |
---|
| 18 | * |
---|
| 19 | * You should have received a copy of the GNU General Public License |
---|
| 20 | * along with this program; if not, write to the Free Software |
---|
| 21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
---|
| 22 | * USA |
---|
| 23 | */ |
---|
| 24 | |
---|
| 25 | #include "config.h" |
---|
| 26 | |
---|
| 27 | #include <unistd.h> |
---|
| 28 | #include <sys/fcntl.h> |
---|
| 29 | #include <sys/types.h> |
---|
| 30 | #include <sys/wait.h> |
---|
| 31 | #include <iostream> |
---|
| 32 | #include <cstdio> |
---|
| 33 | #include <apt-pkg/error.h> |
---|
| 34 | #ifdef HAVE_RPM |
---|
| 35 | #include <apt-pkg/configuration.h> |
---|
| 36 | #endif |
---|
| 37 | |
---|
| 38 | #include "rinstallprogress.h" |
---|
| 39 | |
---|
| 40 | #include "i18n.h" |
---|
| 41 | string RInstallProgress::finishMsg = _("\nSuccessfully applied all changes. You can close the window now."); |
---|
| 42 | string RInstallProgress::errorMsg = _("\nFailed to apply all changes! Scroll in the terminal buffer to see what went wrong."); |
---|
| 43 | string RInstallProgress::incompleteMsg = |
---|
| 44 | _("\nSuccessfully installed all packages of the current medium. " |
---|
| 45 | "To continue the installation with the next medium close " |
---|
| 46 | "this window."); |
---|
| 47 | |
---|
| 48 | const char* RInstallProgress::getResultStr(pkgPackageManager::OrderResult res) |
---|
| 49 | { |
---|
| 50 | int size; |
---|
| 51 | switch( res ) { |
---|
| 52 | case 0: // completed |
---|
| 53 | return finishMsg.c_str(); |
---|
| 54 | break; |
---|
| 55 | case 1: // failed |
---|
| 56 | return errorMsg.c_str(); |
---|
| 57 | break; |
---|
| 58 | case 2: // incomplete |
---|
| 59 | return incompleteMsg.c_str(); |
---|
| 60 | break; |
---|
| 61 | } |
---|
| 62 | |
---|
| 63 | return "Unknown install result."; |
---|
| 64 | } |
---|
| 65 | |
---|
| 66 | |
---|
| 67 | pkgPackageManager::OrderResult RInstallProgress::start(RPackageManager *pm, |
---|
| 68 | int numPackages, |
---|
| 69 | int numPackagesTotal) |
---|
| 70 | { |
---|
| 71 | void *dummy; |
---|
| 72 | pkgPackageManager::OrderResult res; |
---|
| 73 | int ret; |
---|
| 74 | pid_t _child_id; |
---|
| 75 | |
---|
| 76 | //cout << "RInstallProgress::start()" << endl; |
---|
| 77 | |
---|
| 78 | #ifdef HAVE_RPM |
---|
| 79 | |
---|
| 80 | _config->Set("RPM::Interactive", "false"); |
---|
| 81 | |
---|
| 82 | res = pm->DoInstallPreFork(); |
---|
| 83 | if (res == pkgPackageManager::Failed) |
---|
| 84 | return res; |
---|
| 85 | |
---|
| 86 | /* |
---|
| 87 | * This will make a pipe from where we can read child's output |
---|
| 88 | */ |
---|
| 89 | int fd[2]; |
---|
| 90 | pipe(fd); |
---|
| 91 | |
---|
| 92 | _child_id = fork(); |
---|
| 93 | |
---|
| 94 | if (_child_id == 0) { |
---|
| 95 | // make the write end of the pipe to the child become the new stdout |
---|
| 96 | // and stderr (for the child) |
---|
| 97 | dup2(fd[1], 1); |
---|
| 98 | dup2(1, 2); |
---|
| 99 | close(fd[0]); |
---|
| 100 | close(fd[1]); |
---|
| 101 | |
---|
| 102 | res = pm->DoInstallPostFork(); |
---|
| 103 | // dump errors into cerr (pass it to the parent process) |
---|
| 104 | _error->DumpErrors(); |
---|
| 105 | _exit(res); |
---|
| 106 | } |
---|
| 107 | // this is where we read stuff from the child |
---|
| 108 | _childin = fd[0]; |
---|
| 109 | close(fd[1]); |
---|
| 110 | |
---|
| 111 | // make it nonblocking |
---|
| 112 | fcntl(_childin, F_SETFL, O_NONBLOCK); |
---|
| 113 | |
---|
| 114 | _donePackages = 0; |
---|
| 115 | _numPackages = numPackages; |
---|
| 116 | _numPackagesTotal = numPackagesTotal; |
---|
| 117 | |
---|
| 118 | #else |
---|
| 119 | |
---|
| 120 | res = pm->DoInstallPreFork(); |
---|
| 121 | if (res == pkgPackageManager::Failed) |
---|
| 122 | return res; |
---|
| 123 | |
---|
| 124 | _child_id = fork(); |
---|
| 125 | |
---|
| 126 | if (_child_id == 0) { |
---|
| 127 | res = pm->DoInstallPostFork(); |
---|
| 128 | _exit(res); |
---|
| 129 | } |
---|
| 130 | #endif |
---|
| 131 | |
---|
| 132 | startUpdate(); |
---|
| 133 | while (waitpid(_child_id, &ret, WNOHANG) == 0) |
---|
| 134 | updateInterface(); |
---|
| 135 | |
---|
| 136 | res = (pkgPackageManager::OrderResult) WEXITSTATUS(ret); |
---|
| 137 | |
---|
| 138 | finishUpdate(); |
---|
| 139 | |
---|
| 140 | #ifdef HAVE_RPM |
---|
| 141 | close(_childin); |
---|
| 142 | #endif |
---|
| 143 | |
---|
| 144 | return res; |
---|
| 145 | } |
---|
| 146 | |
---|
| 147 | // vim:sts=4:sw=4 |
---|