The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* Copyright (C) 2009 The Android Open Source Project |
| 2 | ** |
| 3 | ** This software is licensed under the terms of the GNU General Public |
| 4 | ** License version 2, as published by the Free Software Foundation, and |
| 5 | ** may be copied, distributed, and modified under those terms. |
| 6 | ** |
| 7 | ** This program is distributed in the hope that it will be useful, |
| 8 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | ** GNU General Public License for more details. |
| 11 | */ |
| 12 | #include "android/user-config.h" |
| 13 | #include "android/utils/bufprint.h" |
| 14 | #include "android/utils/debug.h" |
| 15 | #include "android/utils/system.h" |
| 16 | #include "android/utils/path.h" |
| 17 | #include <stdlib.h> |
| 18 | #include <errno.h> |
| 19 | #include <sys/time.h> |
| 20 | |
| 21 | #define D(...) VERBOSE_PRINT(init,__VA_ARGS__) |
| 22 | |
| 23 | #if 0 /* set to 1 for more debugging */ |
| 24 | # define DD(...) D(__VA_ARGS__) |
| 25 | #else |
| 26 | # define DD(...) ((void)0) |
| 27 | #endif |
| 28 | |
| 29 | struct AUserConfig { |
| 30 | ABool changed; |
| 31 | int windowX; |
| 32 | int windowY; |
| 33 | uint64_t uuid; |
| 34 | char* iniPath; |
| 35 | }; |
| 36 | |
| 37 | /* Name of the user-config file */ |
| 38 | #define USER_CONFIG_FILE "emulator-user.ini" |
| 39 | |
| 40 | #define KEY_WINDOW_X "window.x" |
| 41 | #define KEY_WINDOW_Y "window.y" |
| 42 | #define KEY_UUID "uuid" |
| 43 | |
| 44 | #define DEFAULT_X 100 |
| 45 | #define DEFAULT_Y 100 |
| 46 | |
| 47 | /* Create a new AUserConfig object from a given AvdInfo */ |
| 48 | AUserConfig* |
| 49 | auserConfig_new( AvdInfo* info ) |
| 50 | { |
| 51 | AUserConfig* uc; |
| 52 | char inAndroidBuild = avdInfo_inAndroidBuild(info); |
| 53 | char needUUID = 1; |
| 54 | char temp[PATH_MAX], *p=temp, *end=p+sizeof(temp); |
| 55 | char* parentPath; |
| 56 | IniFile* ini = NULL; |
| 57 | |
| 58 | ANEW0(uc); |
| 59 | |
| 60 | /* If we are in the Android build system, store the configuration |
| 61 | * in ~/.android/emulator-user.ini. otherwise, store it in the file |
| 62 | * emulator-user.ini in the AVD's content directory. |
| 63 | */ |
| 64 | if (inAndroidBuild) { |
| 65 | p = bufprint_config_file(temp, end, USER_CONFIG_FILE); |
| 66 | } else { |
David 'Digit' Turner | c005246 | 2014-02-25 18:39:29 +0100 | [diff] [blame] | 67 | p = bufprint(temp, end, "%s/%s", avdInfo_getContentPath(info), |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 68 | USER_CONFIG_FILE); |
| 69 | } |
| 70 | |
| 71 | /* handle the unexpected */ |
| 72 | if (p >= end) { |
| 73 | /* Hmmm, something is weird, let's use a temporary file instead */ |
| 74 | p = bufprint_temp_file(temp, end, USER_CONFIG_FILE); |
| 75 | if (p >= end) { |
| 76 | derror("Weird: Cannot create temporary user-config file?"); |
| 77 | exit(2); |
| 78 | } |
| 79 | dwarning("Weird: Content path too long, using temporary user-config."); |
| 80 | } |
| 81 | |
| 82 | uc->iniPath = ASTRDUP(temp); |
| 83 | DD("looking user-config in: %s", uc->iniPath); |
| 84 | |
| 85 | |
| 86 | /* ensure that the parent directory exists */ |
| 87 | parentPath = path_parent(uc->iniPath, 1); |
| 88 | if (parentPath == NULL) { |
| 89 | derror("Weird: Can't find parent of user-config file: %s", |
| 90 | uc->iniPath); |
| 91 | exit(2); |
| 92 | } |
| 93 | |
| 94 | if (!path_exists(parentPath)) { |
| 95 | if (!inAndroidBuild) { |
| 96 | derror("Weird: No content path for this AVD: %s", parentPath); |
| 97 | exit(2); |
| 98 | } |
| 99 | DD("creating missing directory: %s", parentPath); |
| 100 | if (path_mkdir_if_needed(parentPath, 0755) < 0) { |
| 101 | derror("Using empty user-config, can't create %s: %s", |
| 102 | parentPath, strerror(errno)); |
| 103 | exit(2); |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | if (path_exists(uc->iniPath)) { |
| 108 | DD("reading user-config file"); |
| 109 | ini = iniFile_newFromFile(uc->iniPath); |
| 110 | if (ini == NULL) { |
| 111 | dwarning("Can't read user-config file: %s\nUsing default values", |
| 112 | uc->iniPath); |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | if (ini != NULL) { |
| 117 | uc->windowX = iniFile_getInteger(ini, KEY_WINDOW_X, DEFAULT_X); |
| 118 | DD(" found %s = %d", KEY_WINDOW_X, uc->windowX); |
| 119 | |
| 120 | uc->windowY = iniFile_getInteger(ini, KEY_WINDOW_Y, DEFAULT_Y); |
| 121 | DD(" found %s = %d", KEY_WINDOW_Y, uc->windowY); |
| 122 | |
| 123 | if (iniFile_getValue(ini, KEY_UUID) != NULL) { |
| 124 | uc->uuid = (uint64_t) iniFile_getInt64(ini, KEY_UUID, 0LL); |
| 125 | needUUID = 0; |
| 126 | DD(" found %s = %lld", KEY_UUID, uc->uuid); |
| 127 | } |
| 128 | |
| 129 | iniFile_free(ini); |
| 130 | } |
| 131 | else { |
| 132 | uc->windowX = DEFAULT_X; |
| 133 | uc->windowY = DEFAULT_Y; |
| 134 | uc->changed = 1; |
| 135 | } |
| 136 | |
| 137 | /* Generate a 64-bit UUID if necessary. We simply take the |
| 138 | * current time, which avoids any privacy-related value. |
| 139 | */ |
| 140 | if (needUUID) { |
| 141 | struct timeval tm; |
| 142 | |
| 143 | gettimeofday( &tm, NULL ); |
| 144 | uc->uuid = (uint64_t)tm.tv_sec*1000 + tm.tv_usec/1000; |
| 145 | uc->changed = 1; |
| 146 | DD(" Generated UUID = %lld", uc->uuid); |
| 147 | } |
| 148 | |
| 149 | return uc; |
| 150 | } |
| 151 | |
| 152 | |
| 153 | uint64_t |
| 154 | auserConfig_getUUID( AUserConfig* uconfig ) |
| 155 | { |
| 156 | return uconfig->uuid; |
| 157 | } |
| 158 | |
| 159 | void |
| 160 | auserConfig_getWindowPos( AUserConfig* uconfig, int *pX, int *pY ) |
| 161 | { |
| 162 | *pX = uconfig->windowX; |
| 163 | *pY = uconfig->windowY; |
| 164 | } |
| 165 | |
| 166 | |
| 167 | void |
| 168 | auserConfig_setWindowPos( AUserConfig* uconfig, int x, int y ) |
| 169 | { |
| 170 | if (x != uconfig->windowX || y != uconfig->windowY) { |
| 171 | uconfig->windowX = x; |
| 172 | uconfig->windowY = y; |
| 173 | uconfig->changed = 1; |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | /* Save the user configuration back to the content directory. |
| 178 | * Should be used in an atexit() handler */ |
| 179 | void |
| 180 | auserConfig_save( AUserConfig* uconfig ) |
| 181 | { |
| 182 | IniFile* ini; |
| 183 | char temp[256]; |
| 184 | |
| 185 | if (uconfig->changed == 0) { |
| 186 | D("User-config was not changed."); |
| 187 | return; |
| 188 | } |
| 189 | |
| 190 | bufprint(temp, temp+sizeof(temp), |
| 191 | "%s = %d\n" |
| 192 | "%s = %d\n" |
| 193 | "%s = %lld\n", |
| 194 | KEY_WINDOW_X, uconfig->windowX, |
| 195 | KEY_WINDOW_Y, uconfig->windowY, |
| 196 | KEY_UUID, uconfig->uuid ); |
| 197 | |
| 198 | DD("Generated user-config file:\n%s", temp); |
| 199 | |
| 200 | ini = iniFile_newFromMemory(temp, uconfig->iniPath); |
| 201 | if (ini == NULL) { |
| 202 | D("Weird: can't create user-config iniFile?"); |
| 203 | return; |
| 204 | } |
| 205 | if (iniFile_saveToFile(ini, uconfig->iniPath) < 0) { |
| 206 | dwarning("could not save user configuration: %s: %s", |
| 207 | uconfig->iniPath, strerror(errno)); |
| 208 | } else { |
| 209 | D("User configuration saved to %s", uconfig->iniPath); |
| 210 | } |
| 211 | iniFile_free(ini); |
| 212 | } |