source: mainline/uspace/app/init/init.c@ 3061bc1

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 3061bc1 was 39330200, checked in by Jiří Zárevúcky <zarevucky.jiri@…>, 7 years ago

Rename struct stat and struct statfs to vfs_stat_t and vfs_statfs_t,
respectively. They are nonstandard vestiges of times when native file API
was modeled after POSIX API.
  • Property mode set to 100644
File size: 9.7 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 <stdarg.h>
39#include <vfs/vfs.h>
40#include <stdbool.h>
41#include <errno.h>
42#include <task.h>
43#include <stdlib.h>
44#include <macros.h>
45#include <str.h>
46#include <loc.h>
47#include <str_error.h>
48#include <config.h>
49#include <io/logctl.h>
50#include "init.h"
51
52#define ROOT_DEVICE "bd/initrd"
53#define ROOT_MOUNT_POINT "/"
54
55#define LOCFS_FS_TYPE "locfs"
56#define LOCFS_MOUNT_POINT "/loc"
57
58#define TMPFS_FS_TYPE "tmpfs"
59#define TMPFS_MOUNT_POINT "/tmp"
60
61#define SRV_CONSOLE "/srv/console"
62#define APP_GETTERM "/app/getterm"
63
64#define SRV_COMPOSITOR "/srv/compositor"
65
66#define HID_INPUT "hid/input"
67#define HID_OUTPUT "hid/output"
68#define HID_COMPOSITOR_SERVER ":0"
69
70#define srv_start(path, ...) \
71 srv_startl(path, path, ##__VA_ARGS__, NULL)
72
73/** Print banner */
74static void info_print(void)
75{
76 printf("%s: HelenOS init\n", NAME);
77}
78
79/** Report mount operation success */
80static bool mount_report(const char *desc, const char *mntpt,
81 const char *fstype, const char *dev, errno_t rc)
82{
83 switch (rc) {
84 case EOK:
85 if (dev != NULL)
86 printf("%s: %s mounted on %s (%s at %s)\n", NAME, desc, mntpt,
87 fstype, dev);
88 else
89 printf("%s: %s mounted on %s (%s)\n", NAME, desc, mntpt, fstype);
90 break;
91 case EBUSY:
92 printf("%s: %s already mounted on %s\n", NAME, desc, mntpt);
93 return false;
94 case ELIMIT:
95 printf("%s: %s limit exceeded\n", NAME, desc);
96 return false;
97 case ENOENT:
98 printf("%s: %s unknown type (%s)\n", NAME, desc, fstype);
99 return false;
100 default:
101 printf("%s: %s not mounted on %s (%s)\n", NAME, desc, mntpt,
102 str_error(rc));
103 return false;
104 }
105
106 return true;
107}
108
109/** Mount root filesystem
110 *
111 * The operation blocks until the root filesystem
112 * server is ready for mounting.
113 *
114 * @param[in] fstype Root filesystem type.
115 *
116 * @return True on success.
117 * @return False on failure.
118 *
119 */
120static bool mount_root(const char *fstype)
121{
122 const char *opts = "";
123
124 if (str_cmp(fstype, "tmpfs") == 0)
125 opts = "restore";
126
127 errno_t rc = vfs_mount_path(ROOT_MOUNT_POINT, fstype, ROOT_DEVICE, opts,
128 IPC_FLAG_BLOCKING, 0);
129 if (rc == EOK)
130 logctl_set_root();
131 return mount_report("Root filesystem", ROOT_MOUNT_POINT, fstype,
132 ROOT_DEVICE, rc);
133}
134
135/** Mount locfs filesystem
136 *
137 * The operation blocks until the locfs filesystem
138 * server is ready for mounting.
139 *
140 * @return True on success.
141 * @return False on failure.
142 *
143 */
144static bool mount_locfs(void)
145{
146 errno_t rc = vfs_mount_path(LOCFS_MOUNT_POINT, LOCFS_FS_TYPE, "", "",
147 IPC_FLAG_BLOCKING, 0);
148 return mount_report("Location service filesystem", LOCFS_MOUNT_POINT,
149 LOCFS_FS_TYPE, NULL, rc);
150}
151
152static errno_t srv_startl(const char *path, ...)
153{
154 vfs_stat_t s;
155 if (vfs_stat_path(path, &s) != EOK) {
156 printf("%s: Unable to stat %s\n", NAME, path);
157 return ENOENT;
158 }
159
160 printf("%s: Starting %s\n", NAME, path);
161
162 va_list ap;
163 const char *arg;
164 int cnt = 0;
165
166 va_start(ap, path);
167 do {
168 arg = va_arg(ap, const char *);
169 cnt++;
170 } while (arg != NULL);
171 va_end(ap);
172
173 va_start(ap, path);
174 task_id_t id;
175 task_wait_t wait;
176 errno_t rc = task_spawn(&id, &wait, path, cnt, ap);
177 va_end(ap);
178
179 if (rc != EOK) {
180 printf("%s: Error spawning %s (%s)\n", NAME, path,
181 str_error(rc));
182 return rc;
183 }
184
185 if (!id) {
186 printf("%s: Error spawning %s (invalid task id)\n", NAME,
187 path);
188 return EINVAL;
189 }
190
191 task_exit_t texit;
192 int retval;
193 rc = task_wait(&wait, &texit, &retval);
194 if (rc != EOK) {
195 printf("%s: Error waiting for %s (%s)\n", NAME, path,
196 str_error(rc));
197 return rc;
198 }
199
200 if (texit != TASK_EXIT_NORMAL) {
201 printf("%s: Server %s failed to start (unexpectedly "
202 "terminated)\n", NAME, path);
203 return EINVAL;
204 }
205
206 if (retval != 0)
207 printf("%s: Server %s failed to start (exit code %d)\n", NAME,
208 path, retval);
209
210 return retval == 0 ? EOK : EPARTY;
211}
212
213static errno_t console(const char *isvc, const char *osvc)
214{
215 /* Wait for the input service to be ready */
216 service_id_t service_id;
217 errno_t rc = loc_service_get_id(isvc, &service_id, IPC_FLAG_BLOCKING);
218 if (rc != EOK) {
219 printf("%s: Error waiting on %s (%s)\n", NAME, isvc,
220 str_error(rc));
221 return rc;
222 }
223
224 /* Wait for the output service to be ready */
225 rc = loc_service_get_id(osvc, &service_id, IPC_FLAG_BLOCKING);
226 if (rc != EOK) {
227 printf("%s: Error waiting on %s (%s)\n", NAME, osvc,
228 str_error(rc));
229 return rc;
230 }
231
232 return srv_start(SRV_CONSOLE, isvc, osvc);
233}
234
235static errno_t compositor(const char *isvc, const char *name)
236{
237 /* Wait for the input service to be ready */
238 service_id_t service_id;
239 errno_t rc = loc_service_get_id(isvc, &service_id, IPC_FLAG_BLOCKING);
240 if (rc != EOK) {
241 printf("%s: Error waiting on %s (%s)\n", NAME, isvc,
242 str_error(rc));
243 return rc;
244 }
245
246 return srv_start(SRV_COMPOSITOR, isvc, name);
247}
248
249static int gui_start(const char *app, const char *srv_name)
250{
251 char winreg[50];
252 snprintf(winreg, sizeof(winreg), "%s%s%s", "comp", srv_name, "/winreg");
253
254 printf("%s: Spawning %s %s\n", NAME, app, winreg);
255
256 task_id_t id;
257 task_wait_t wait;
258 errno_t rc = task_spawnl(&id, &wait, app, app, winreg, NULL);
259 if (rc != EOK) {
260 printf("%s: Error spawning %s %s (%s)\n", NAME, app,
261 winreg, str_error(rc));
262 return -1;
263 }
264
265 task_exit_t texit;
266 int retval;
267 rc = task_wait(&wait, &texit, &retval);
268 if ((rc != EOK) || (texit != TASK_EXIT_NORMAL)) {
269 printf("%s: Error retrieving retval from %s (%s)\n", NAME,
270 app, str_error(rc));
271 return -1;
272 }
273
274 return retval;
275}
276
277static void getterm(const char *svc, const char *app, bool msg)
278{
279 if (msg) {
280 printf("%s: Spawning %s %s %s --msg --wait -- %s\n", NAME,
281 APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
282
283 errno_t rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
284 LOCFS_MOUNT_POINT, "--msg", "--wait", "--", app, NULL);
285 if (rc != EOK)
286 printf("%s: Error spawning %s %s %s --msg --wait -- %s\n",
287 NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
288 } else {
289 printf("%s: Spawning %s %s %s --wait -- %s\n", NAME,
290 APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
291
292 errno_t rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
293 LOCFS_MOUNT_POINT, "--wait", "--", app, NULL);
294 if (rc != EOK)
295 printf("%s: Error spawning %s %s %s --wait -- %s\n",
296 NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
297 }
298}
299
300static bool mount_tmpfs(void)
301{
302 errno_t rc = vfs_mount_path(TMPFS_MOUNT_POINT, TMPFS_FS_TYPE, "", "", 0, 0);
303 return mount_report("Temporary filesystem", TMPFS_MOUNT_POINT,
304 TMPFS_FS_TYPE, NULL, rc);
305}
306
307int main(int argc, char *argv[])
308{
309 errno_t rc;
310
311 info_print();
312
313 if (!mount_root(STRING(RDFMT))) {
314 printf("%s: Exiting\n", NAME);
315 return 1;
316 }
317
318 /* Make sure file systems are running. */
319 if (str_cmp(STRING(RDFMT), "tmpfs") != 0)
320 srv_start("/srv/tmpfs");
321 if (str_cmp(STRING(RDFMT), "exfat") != 0)
322 srv_start("/srv/exfat");
323 if (str_cmp(STRING(RDFMT), "fat") != 0)
324 srv_start("/srv/fat");
325 srv_start("/srv/cdfs");
326 srv_start("/srv/mfs");
327
328 srv_start("/srv/klog");
329 srv_start("/srv/locfs");
330 srv_start("/srv/taskmon");
331
332 if (!mount_locfs()) {
333 printf("%s: Exiting\n", NAME);
334 return 2;
335 }
336
337 mount_tmpfs();
338
339 srv_start("/srv/devman");
340 srv_start("/srv/s3c24xx_uart");
341 srv_start("/srv/s3c24xx_ts");
342
343 srv_start("/srv/vbd");
344 srv_start("/srv/volsrv");
345
346 srv_start("/srv/loopip");
347 srv_start("/srv/ethip");
348 srv_start("/srv/inetsrv");
349 srv_start("/srv/tcp");
350 srv_start("/srv/udp");
351 srv_start("/srv/dnsrsrv");
352 srv_start("/srv/dhcp");
353 srv_start("/srv/nconfsrv");
354
355 srv_start("/srv/clipboard");
356 srv_start("/srv/remcons");
357
358 srv_start("/srv/input", HID_INPUT);
359 srv_start("/srv/output", HID_OUTPUT);
360 srv_start("/srv/hound");
361
362 if (!config_key_exists("console")) {
363 rc = compositor(HID_INPUT, HID_COMPOSITOR_SERVER);
364 if (rc == EOK) {
365 gui_start("/app/barber", HID_COMPOSITOR_SERVER);
366 gui_start("/app/vlaunch", HID_COMPOSITOR_SERVER);
367 gui_start("/app/vterm", HID_COMPOSITOR_SERVER);
368 }
369 }
370
371 rc = console(HID_INPUT, HID_OUTPUT);
372 if (rc == EOK) {
373 getterm("term/vc0", "/app/bdsh", true);
374 getterm("term/vc1", "/app/bdsh", false);
375 getterm("term/vc2", "/app/bdsh", false);
376 getterm("term/vc3", "/app/bdsh", false);
377 getterm("term/vc4", "/app/bdsh", false);
378 getterm("term/vc5", "/app/bdsh", false);
379 }
380
381 return 0;
382}
383
384/** @}
385 */
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