source: mainline/uspace/app/init/init.c@ eb94d84

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since eb94d84 was a047aaa, checked in by Martin Decky <martin@…>, 11 years ago

barber: visual liveness indicator (using the barber pole animation and blink(1) LEDs)
refactor the LED support from vlaunch into barber
  • Property mode set to 100644
File size: 9.4 KB
Line 
1/*
2 * Copyright (c) 2005 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup init Init
30 * @brief Init process for user space environment configuration.
31 * @{
32 */
33/**
34 * @file
35 */
36
37#include <stdio.h>
38#include <unistd.h>
39#include <stdarg.h>
40#include <vfs/vfs.h>
41#include <stdbool.h>
42#include <errno.h>
43#include <fcntl.h>
44#include <sys/stat.h>
45#include <task.h>
46#include <malloc.h>
47#include <macros.h>
48#include <str.h>
49#include <loc.h>
50#include <str_error.h>
51#include "init.h"
52
53#define ROOT_DEVICE "bd/initrd"
54#define ROOT_MOUNT_POINT "/"
55
56#define LOCFS_FS_TYPE "locfs"
57#define LOCFS_MOUNT_POINT "/loc"
58
59#define TMPFS_FS_TYPE "tmpfs"
60#define TMPFS_MOUNT_POINT "/tmp"
61
62#define SRV_CONSOLE "/srv/console"
63#define APP_GETTERM "/app/getterm"
64
65#define SRV_COMPOSITOR "/srv/compositor"
66
67#define HID_INPUT "hid/input"
68#define HID_OUTPUT "hid/output"
69#define HID_COMPOSITOR_SERVER ":0"
70
71#define srv_start(path, ...) \
72 srv_startl(path, path, ##__VA_ARGS__, NULL)
73
74/** Print banner */
75static void info_print(void)
76{
77 printf("%s: HelenOS init\n", NAME);
78}
79
80/** Report mount operation success */
81static bool mount_report(const char *desc, const char *mntpt,
82 const char *fstype, const char *dev, int rc)
83{
84 switch (rc) {
85 case EOK:
86 if (dev != NULL)
87 printf("%s: %s mounted on %s (%s at %s)\n", NAME, desc, mntpt,
88 fstype, dev);
89 else
90 printf("%s: %s mounted on %s (%s)\n", NAME, desc, mntpt, fstype);
91 break;
92 case EBUSY:
93 printf("%s: %s already mounted on %s\n", NAME, desc, mntpt);
94 return false;
95 case ELIMIT:
96 printf("%s: %s limit exceeded\n", NAME, desc);
97 return false;
98 case ENOENT:
99 printf("%s: %s unknown type (%s)\n", NAME, desc, fstype);
100 return false;
101 default:
102 printf("%s: %s not mounted on %s (%s)\n", NAME, desc, mntpt,
103 str_error(rc));
104 return false;
105 }
106
107 return true;
108}
109
110/** Mount root filesystem
111 *
112 * The operation blocks until the root filesystem
113 * server is ready for mounting.
114 *
115 * @param[in] fstype Root filesystem type.
116 *
117 * @return True on success.
118 * @return False on failure.
119 *
120 */
121static bool mount_root(const char *fstype)
122{
123 const char *opts = "";
124
125 if (str_cmp(fstype, "tmpfs") == 0)
126 opts = "restore";
127
128 int rc = mount(fstype, ROOT_MOUNT_POINT, ROOT_DEVICE, opts,
129 IPC_FLAG_BLOCKING, 0);
130 return mount_report("Root filesystem", ROOT_MOUNT_POINT, fstype,
131 ROOT_DEVICE, rc);
132}
133
134/** Mount locfs filesystem
135 *
136 * The operation blocks until the locfs filesystem
137 * server is ready for mounting.
138 *
139 * @return True on success.
140 * @return False on failure.
141 *
142 */
143static bool mount_locfs(void)
144{
145 int rc = mount(LOCFS_FS_TYPE, LOCFS_MOUNT_POINT, "", "",
146 IPC_FLAG_BLOCKING, 0);
147 return mount_report("Location service filesystem", LOCFS_MOUNT_POINT,
148 LOCFS_FS_TYPE, NULL, rc);
149}
150
151static int srv_startl(const char *path, ...)
152{
153 struct stat s;
154 if (stat(path, &s) == ENOENT) {
155 printf("%s: Unable to stat %s\n", NAME, path);
156 return ENOENT;
157 }
158
159 printf("%s: Starting %s\n", NAME, path);
160
161 va_list ap;
162 const char *arg;
163 int cnt = 0;
164
165 va_start(ap, path);
166 do {
167 arg = va_arg(ap, const char *);
168 cnt++;
169 } while (arg != NULL);
170 va_end(ap);
171
172 va_start(ap, path);
173 task_id_t id;
174 task_wait_t wait;
175 int rc = task_spawn(&id, &wait, path, cnt, ap);
176 va_end(ap);
177
178 if (rc != EOK) {
179 printf("%s: Error spawning %s (%s)\n", NAME, path,
180 str_error(rc));
181 return rc;
182 }
183
184 if (!id) {
185 printf("%s: Error spawning %s (invalid task id)\n", NAME,
186 path);
187 return EINVAL;
188 }
189
190 task_exit_t texit;
191 int retval;
192 rc = task_wait(&wait, &texit, &retval);
193 if (rc != EOK) {
194 printf("%s: Error waiting for %s (%s)\n", NAME, path,
195 str_error(rc));
196 return rc;
197 }
198
199 if (texit != TASK_EXIT_NORMAL) {
200 printf("%s: Server %s failed to start (unexpectedly "
201 "terminated)\n", NAME, path);
202 return EINVAL;
203 }
204
205 if (retval != 0)
206 printf("%s: Server %s failed to start (exit code %d)\n", NAME,
207 path, retval);
208
209 return retval;
210}
211
212static int console(const char *isvc, const char *osvc)
213{
214 /* Wait for the input service to be ready */
215 service_id_t service_id;
216 int rc = loc_service_get_id(isvc, &service_id, IPC_FLAG_BLOCKING);
217 if (rc != EOK) {
218 printf("%s: Error waiting on %s (%s)\n", NAME, isvc,
219 str_error(rc));
220 return rc;
221 }
222
223 /* Wait for the output service to be ready */
224 rc = loc_service_get_id(osvc, &service_id, IPC_FLAG_BLOCKING);
225 if (rc != EOK) {
226 printf("%s: Error waiting on %s (%s)\n", NAME, osvc,
227 str_error(rc));
228 return rc;
229 }
230
231 return srv_start(SRV_CONSOLE, isvc, osvc);
232}
233
234static int compositor(const char *isvc, const char *name)
235{
236 /* Wait for the input service to be ready */
237 service_id_t service_id;
238 int rc = loc_service_get_id(isvc, &service_id, IPC_FLAG_BLOCKING);
239 if (rc != EOK) {
240 printf("%s: Error waiting on %s (%s)\n", NAME, isvc,
241 str_error(rc));
242 return rc;
243 }
244
245 return srv_start(SRV_COMPOSITOR, isvc, name);
246}
247
248static int gui_start(const char *app, const char *srv_name)
249{
250 char winreg[50];
251 snprintf(winreg, sizeof(winreg), "%s%s%s", "comp", srv_name, "/winreg");
252
253 printf("%s: Spawning %s %s\n", NAME, app, winreg);
254
255 task_id_t id;
256 task_wait_t wait;
257 int rc = task_spawnl(&id, &wait, app, app, winreg, NULL);
258 if (rc != EOK) {
259 printf("%s: Error spawning %s %s (%s)\n", NAME, app,
260 winreg, str_error(rc));
261 return -1;
262 }
263
264 task_exit_t texit;
265 int retval;
266 rc = task_wait(&wait, &texit, &retval);
267 if ((rc != EOK) || (texit != TASK_EXIT_NORMAL)) {
268 printf("%s: Error retrieving retval from %s (%s)\n", NAME,
269 app, str_error(rc));
270 return -1;
271 }
272
273 return retval;
274}
275
276static void getterm(const char *svc, const char *app, bool msg)
277{
278 if (msg) {
279 printf("%s: Spawning %s %s %s --msg --wait -- %s\n", NAME,
280 APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
281
282 int rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
283 LOCFS_MOUNT_POINT, "--msg", "--wait", "--", app, NULL);
284 if (rc != EOK)
285 printf("%s: Error spawning %s %s %s --msg --wait -- %s\n",
286 NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
287 } else {
288 printf("%s: Spawning %s %s %s --wait -- %s\n", NAME,
289 APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
290
291 int rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
292 LOCFS_MOUNT_POINT, "--wait", "--", app, NULL);
293 if (rc != EOK)
294 printf("%s: Error spawning %s %s %s --wait -- %s\n",
295 NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
296 }
297}
298
299static bool mount_tmpfs(void)
300{
301 int rc = mount(TMPFS_FS_TYPE, TMPFS_MOUNT_POINT, "", "", 0, 0);
302 return mount_report("Temporary filesystem", TMPFS_MOUNT_POINT,
303 TMPFS_FS_TYPE, NULL, rc);
304}
305
306int main(int argc, char *argv[])
307{
308 info_print();
309
310 if (!mount_root(STRING(RDFMT))) {
311 printf("%s: Exiting\n", NAME);
312 return 1;
313 }
314
315 /* Make sure tmpfs is running. */
316 if (str_cmp(STRING(RDFMT), "tmpfs") != 0)
317 srv_start("/srv/tmpfs");
318
319 srv_start("/srv/klog");
320 srv_start("/srv/locfs");
321 srv_start("/srv/taskmon");
322
323 if (!mount_locfs()) {
324 printf("%s: Exiting\n", NAME);
325 return 2;
326 }
327
328 mount_tmpfs();
329
330 srv_start("/srv/devman");
331 srv_start("/srv/apic");
332 srv_start("/srv/i8259");
333 srv_start("/srv/icp-ic");
334 srv_start("/srv/obio");
335 srv_start("/srv/cuda_adb");
336 srv_start("/srv/s3c24xx_uart");
337 srv_start("/srv/s3c24xx_ts");
338
339 srv_start("/srv/loopip");
340 srv_start("/srv/ethip");
341 srv_start("/srv/inetsrv");
342 srv_start("/srv/tcp");
343 srv_start("/srv/udp");
344 srv_start("/srv/dnsrsrv");
345 srv_start("/srv/dhcp");
346 srv_start("/srv/nconfsrv");
347
348 srv_start("/srv/clipboard");
349 srv_start("/srv/remcons");
350
351 srv_start("/srv/input", HID_INPUT);
352 srv_start("/srv/output", HID_OUTPUT);
353 srv_start("/srv/hound");
354
355 int rc = compositor(HID_INPUT, HID_COMPOSITOR_SERVER);
356 if (rc == EOK) {
357 gui_start("/app/barber", HID_COMPOSITOR_SERVER);
358 gui_start("/app/vlaunch", HID_COMPOSITOR_SERVER);
359 gui_start("/app/vterm", HID_COMPOSITOR_SERVER);
360 }
361
362 rc = console(HID_INPUT, HID_OUTPUT);
363 if (rc == EOK) {
364 getterm("term/vc0", "/app/bdsh", true);
365 getterm("term/vc1", "/app/bdsh", false);
366 getterm("term/vc2", "/app/bdsh", false);
367 getterm("term/vc3", "/app/bdsh", false);
368 getterm("term/vc4", "/app/bdsh", false);
369 getterm("term/vc5", "/app/bdsh", false);
370 }
371
372 return 0;
373}
374
375/** @}
376 */
Note: See TracBrowser for help on using the repository browser.