Vladimir Chtchetkine | 7746af0 | 2010-10-07 05:40:39 -0700 | [diff] [blame] | 1 | /* Copyright (C) 2010 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 | |
| 13 | /* |
| 14 | * Contains implementation of routines and that are used in the course |
| 15 | * of the emulator's core initialization. |
| 16 | */ |
| 17 | |
| 18 | #include <stdio.h> |
| 19 | #include <stdlib.h> |
| 20 | #include <errno.h> |
| 21 | #include "qemu-common.h" |
David 'Digit' Turner | cc330d4 | 2013-12-14 23:26:42 +0100 | [diff] [blame] | 22 | #include "android/sockets.h" |
Vladimir Chtchetkine | 7746af0 | 2010-10-07 05:40:39 -0700 | [diff] [blame] | 23 | #include "android/android.h" |
| 24 | #include "android/core-init-utils.h" |
| 25 | #include "android/utils/bufprint.h" |
| 26 | |
| 27 | extern char* android_op_ui_port; |
| 28 | |
| 29 | /* Sends core initialization status message back to the UI that started this |
| 30 | * core process. |
| 31 | * Param: |
| 32 | * msg - Message to send. On success, message must begin with "ok:", followed |
| 33 | * by "port=<console port number>". On initialization failure, message must |
| 34 | * begin with "ko:", followed by a string describing the reason of failure. |
| 35 | */ |
| 36 | static void |
| 37 | android_core_send_init_response(const char* msg) |
| 38 | { |
| 39 | int fd; |
| 40 | int ui_port; |
| 41 | |
| 42 | if (android_op_ui_port == NULL) { |
| 43 | // No socket - no reply. |
| 44 | return; |
| 45 | } |
| 46 | |
| 47 | ui_port = atoi(android_op_ui_port); |
| 48 | if (ui_port >= 0) { |
| 49 | // At this point UI always starts the core on the same workstation. |
| 50 | fd = socket_loopback_client(ui_port, SOCKET_STREAM); |
| 51 | if (fd == -1) { |
| 52 | fprintf(stderr, "Unable to create UI socket client for port %s: %s\n", |
| 53 | android_op_ui_port, errno_str); |
| 54 | return; |
| 55 | } |
| 56 | socket_send(fd, msg, strlen(msg) + 1); |
| 57 | socket_close(fd); |
| 58 | } else { |
| 59 | fprintf(stderr, "Invalid -ui-port parameter: %s\n", android_op_ui_port); |
| 60 | } |
| 61 | } |
| 62 | |
| 63 | void |
| 64 | android_core_init_completed(void) |
| 65 | { |
| 66 | char msg[32]; |
| 67 | snprintf(msg, sizeof(msg), "ok:port=%d", android_base_port); |
| 68 | android_core_send_init_response(msg); |
| 69 | } |
| 70 | |
| 71 | void |
| 72 | android_core_init_failure(const char* fmt, ...) |
| 73 | { |
| 74 | va_list args; |
| 75 | char msg[4096]; |
| 76 | |
| 77 | // Format "ko" message to send back to the UI. |
| 78 | snprintf(msg, sizeof(msg), "ko:"); |
| 79 | |
| 80 | va_start(args, fmt); |
| 81 | vbufprint(msg + strlen(msg), msg + sizeof(msg), fmt, args); |
| 82 | va_end(args); |
| 83 | |
| 84 | // Send message back to the UI, print it to the error stdout, and exit the |
| 85 | // process. |
| 86 | android_core_send_init_response(msg); |
| 87 | fprintf(stderr, "%s\n", msg); |
| 88 | exit(1); |
| 89 | } |
| 90 | |
| 91 | void |
| 92 | android_core_init_exit(int exit_status) |
| 93 | { |
| 94 | char msg[32]; |
| 95 | // Build "ok" message with the exit status, and send it back to the UI. |
| 96 | snprintf(msg, sizeof(msg), "ok:status=%d", exit_status); |
| 97 | android_core_send_init_response(msg); |
| 98 | exit(exit_status); |
| 99 | } |