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| -rw-r--r-- | tests/test_console.c | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/tests/test_console.c b/tests/test_console.c deleted file mode 100644 index 2a5f5ad..0000000 --- a/tests/test_console.c +++ /dev/null @@ -1,345 +0,0 @@ -/* - * test_console - Test Console - * - * Copyright (c) 2011 David Herrmann <dh.herrmann@googlemail.com> - * Copyright (c) 2011 University of Tuebingen - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY - * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/* - * Test Console - * This prints a console onto all available outputs. The console is not - * interactive, but instead all input from stdin is read and printed as - * printable characters onto the console. - * This is no terminal emulation but instead an example how to print text with - * the console subsystem. - * - * This prints all text from stdin to all connected outputs: - * $ ./test_console - * - * This prints the text from the command "ls -la" to all outptus: - * $ ls -la | ./test_console - */ - -#include <errno.h> -#include <inttypes.h> -#include <locale.h> -#include <signal.h> -#include <stdbool.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "console.h" -#include "eloop.h" -#include "font.h" -#include "log.h" -#include "unicode.h" -#include "uterm.h" -#include "vt.h" - -static volatile sig_atomic_t terminate; - -struct console { - struct ev_eloop *loop; - struct ev_signal *sig_term; - struct ev_signal *sig_int; - struct ev_fd *stdin_fd; - struct kmscon_symbol_table *st; - struct kmscon_font_factory *ff; - struct gl_shader *shader; - struct uterm_video *video; - struct kmscon_vt *vt; - struct kmscon_console *con; - struct ev_idle *idle; - - uint32_t max_x; - uint32_t max_y; -}; - -static void stdin_cb(struct ev_fd *fd, int mask, void *data) -{ - struct console *con = data; - char buf[512]; - int ret; - unsigned int i, len; - kmscon_symbol_t ch; - - if (!con || !fd) - return; - - ret = read(0, buf, sizeof(buf)); - if (ret < 0) { - log_info("stdin read error: %d\n", errno); - } else if (!ret) { - log_info("stdin closed\n"); - ev_eloop_rm_fd(fd); - con->stdin_fd = NULL; - } else { - len = ret; - log_debug("stdin input read (len: %d)\n", len); - - for (i = 0; i < len; ++i) { - if (buf[i] == '\n') { - kmscon_console_newline(con->con); - } else { - ch = buf[i]; - kmscon_console_write(con->con, ch); - } - } - } -} - -static void map_outputs(struct console *con) -{ - int ret; - struct uterm_display *iter; - struct uterm_screen *screen; - - if (!uterm_video_is_awake(con->video)) - return; - - iter = uterm_video_get_displays(con->video); - for ( ; iter; iter = uterm_display_next(iter)) { - if (uterm_display_get_state(iter) != UTERM_DISPLAY_ACTIVE) - continue; - - /* We create a screen on every draw here to avoid keeping a - * global list of displays/screens. This is ugly but works. - */ - ret = uterm_screen_new_single(&screen, iter); - if (ret) - continue; - - ret = uterm_screen_use(screen); - if (ret) { - uterm_screen_unref(screen); - continue; - } - - gl_viewport(screen); - kmscon_console_map(con->con, con->shader); - - uterm_screen_swap(screen); - uterm_screen_unref(screen); - } -} - -static void draw(struct ev_idle *idle, void *data) -{ - struct console *con = data; - - ev_eloop_rm_idle(idle); - map_outputs(con); -} - -static void schedule_draw(struct console *con) -{ - int ret; - - ret = ev_eloop_add_idle(con->loop, con->idle, draw, con); - if (ret && ret != -EALREADY) - log_warn("Cannot schedule draw function\n"); -} - -static void activate_outputs(struct console *con) -{ - struct uterm_display *iter; - struct uterm_mode *mode; - int ret; - uint32_t y; - - con->max_y = 0; - - iter = uterm_video_get_displays(con->video); - for ( ; iter; iter = uterm_display_next(iter)) { - if (uterm_display_get_state(iter) == UTERM_DISPLAY_INACTIVE) { - ret = uterm_display_activate(iter, NULL); - if (ret) - continue; - } - - mode = uterm_display_get_current(iter); - y = uterm_mode_get_height(mode); - if (y > con->max_y) - con->max_y = y; - } - - kmscon_console_resize(con->con, 0, 0, con->max_y); - schedule_draw(con); -} - -static void sig_term(struct ev_signal *sig, int signum, void *data) -{ - terminate = 1; -} - -static bool vt_switch(struct kmscon_vt *vt, - enum kmscon_vt_action action, - void *data) -{ - struct console *con = data; - int ret; - - if (action == KMSCON_VT_ENTER) { - ret = uterm_video_wake_up(con->video); - if (!ret) - activate_outputs(con); - } else { - uterm_video_sleep(con->video); - } - - return true; -} - -static const char help_text[] = -"test_console - KMS based console test\n" -"This application can be used to test the console subsystem. It copies stdin " -"to the console so you can use it to print arbitrary text like this:\n" -" ls -la / | sudo ./test_console\n" -"Please be aware that the application needs root rights to access the VT. " -"If no VT support is compiled in you can run it without root rights but you " -"should not start it from inside X!\n\n"; - -static void print_help(struct console *con) -{ - unsigned int i, len; - kmscon_symbol_t ch; - - len = sizeof(help_text) - 1; - for (i = 0; i < len; ++i) { - if (help_text[i] == '\n') { - kmscon_console_newline(con->con); - } else { - ch = help_text[i]; - kmscon_console_write(con->con, ch); - } - } -} - -static void destroy_eloop(struct console *con) -{ - ev_eloop_rm_idle(con->idle); - ev_idle_unref(con->idle); - kmscon_console_unref(con->con); - gl_shader_unref(con->shader); - uterm_video_unref(con->video); - kmscon_vt_unref(con->vt); - kmscon_font_factory_unref(con->ff); - kmscon_symbol_table_unref(con->st); - ev_eloop_rm_fd(con->stdin_fd); - ev_eloop_rm_signal(con->sig_int); - ev_eloop_rm_signal(con->sig_term); - ev_eloop_unref(con->loop); -} - -static int setup_eloop(struct console *con) -{ - int ret; - - ret = ev_eloop_new(&con->loop); - if (ret) - return ret; - - ret = ev_eloop_new_signal(con->loop, &con->sig_term, SIGTERM, - sig_term, NULL); - if (ret) - goto err_loop; - - ret = ev_eloop_new_signal(con->loop, &con->sig_int, SIGINT, - sig_term, NULL); - if (ret) - goto err_loop; - - ret = ev_eloop_new_fd(con->loop, &con->stdin_fd, 0, - EV_READABLE, stdin_cb, con); - if (ret) - goto err_loop; - - ret = kmscon_symbol_table_new(&con->st); - if (ret) - goto err_loop; - - ret = uterm_video_new(&con->video, UTERM_VIDEO_DRM, con->loop); - if (ret) - goto err_loop; - - ret = gl_shader_new(&con->shader); - if (ret) - goto err_loop; - - ret = kmscon_font_factory_new(&con->ff, con->st); - if (ret) - goto err_loop; - - ret = kmscon_vt_new(&con->vt, vt_switch, con); - if (ret) - goto err_loop; - - ret = kmscon_vt_open(con->vt, KMSCON_VT_NEW, con->loop); - if (ret) - goto err_loop; - - ret = kmscon_console_new(&con->con, con->ff); - if (ret) - goto err_loop; - - ret = ev_idle_new(&con->idle); - if (ret) - goto err_loop; - - print_help(con); - return 0; - -err_loop: - destroy_eloop(con); - return ret; -} - -int main(int argc, char **argv) -{ - struct console con; - int ret; - - setlocale(LC_ALL, ""); - memset(&con, 0, sizeof(con)); - - ret = setup_eloop(&con); - if (ret) { - log_err("Cannot setup eloop\n"); - return abs(ret); - } - - log_info("Starting console\n"); - - schedule_draw(&con); - - while (!terminate) { - ret = ev_eloop_dispatch(con.loop, -1); - if (ret) - break; - } - - log_info("Stopping console\n"); - - destroy_eloop(&con); - return abs(ret); -} |