HelenOS sources
This source file includes following definitions.
- info_print
- oom_check
- mount_report
- mount_locfs
- srv_startl
- console
- display_server
- app_start
- getterm
- mount_tmpfs
- init_sysvol
- system_startup
- system_sys_shutdown
- system_srv_init
- system_srv_conn
- system_srv_shutdown
- main
#include <fibril.h>
#include <futil.h>
#include <io/log.h>
#include <stdio.h>
#include <stdarg.h>
#include <vfs/vfs.h>
#include <stdbool.h>
#include <errno.h>
#include <task.h>
#include <stdlib.h>
#include <macros.h>
#include <str.h>
#include <loc.h>
#include <str_error.h>
#include <config.h>
#include <io/logctl.h>
#include <vfs/vfs.h>
#include <vol.h>
#include <system.h>
#include <system_srv.h>
#include "system.h"
#define BANNER_LEFT "######> "
#define BANNER_RIGHT " <######"
#define LOCFS_FS_TYPE "locfs"
#define LOCFS_MOUNT_POINT "/loc"
#define TMPFS_FS_TYPE "tmpfs"
#define TMPFS_MOUNT_POINT "/tmp"
#define SRV_CONSOLE "/srv/hid/console"
#define APP_GETTERM "/app/getterm"
#define SRV_DISPLAY "/srv/hid/display"
#define HID_INPUT "hid/input"
#define HID_OUTPUT "hid/output"
#define srv_start(path, ...) \
srv_startl(path, path, ##__VA_ARGS__, NULL)
static const char *sys_dirs[] = {
"/w/cfg",
"/w/data",
NULL,
};
static void system_srv_conn(ipc_call_t *, void *);
static errno_t system_srv_shutdown(void *);
system_ops_t system_srv_ops = {
.shutdown = system_srv_shutdown
};
static void info_print(void)
{
printf("%s: HelenOS system server\n", NAME);
}
static void oom_check(errno_t rc, const char *path)
{
if (rc == ENOMEM) {
printf("%sOut-of-memory condition detected%s\n", BANNER_LEFT,
BANNER_RIGHT);
printf("%sBailing out of the boot process after %s%s\n",
BANNER_LEFT, path, BANNER_RIGHT);
printf("%sMore physical memory is required%s\n", BANNER_LEFT,
BANNER_RIGHT);
exit(ENOMEM);
}
}
static bool mount_report(const char *desc, const char *mntpt,
const char *fstype, const char *dev, errno_t rc)
{
switch (rc) {
case EOK:
if ((dev != NULL) && (str_cmp(dev, "") != 0))
printf("%s: %s mounted on %s (%s at %s)\n", NAME, desc, mntpt,
fstype, dev);
else
printf("%s: %s mounted on %s (%s)\n", NAME, desc, mntpt, fstype);
break;
case EBUSY:
printf("%s: %s already mounted on %s\n", NAME, desc, mntpt);
return false;
case ELIMIT:
printf("%s: %s limit exceeded\n", NAME, desc);
return false;
case ENOENT:
printf("%s: %s unknown type (%s)\n", NAME, desc, fstype);
return false;
default:
printf("%s: %s not mounted on %s (%s)\n", NAME, desc, mntpt,
str_error(rc));
return false;
}
return true;
}
static bool mount_locfs(void)
{
errno_t rc = vfs_mount_path(LOCFS_MOUNT_POINT, LOCFS_FS_TYPE, "", "",
IPC_FLAG_BLOCKING, 0);
return mount_report("Location service file system", LOCFS_MOUNT_POINT,
LOCFS_FS_TYPE, NULL, rc);
}
static errno_t srv_startl(const char *path, ...)
{
vfs_stat_t s;
if (vfs_stat_path(path, &s) != EOK) {
printf("%s: Unable to stat %s\n", NAME, path);
return ENOENT;
}
printf("%s: Starting %s\n", NAME, path);
va_list ap;
const char *arg;
int cnt = 0;
va_start(ap, path);
do {
arg = va_arg(ap, const char *);
cnt++;
} while (arg != NULL);
va_end(ap);
va_start(ap, path);
task_id_t id;
task_wait_t wait;
errno_t rc = task_spawn(&id, &wait, path, cnt, ap);
va_end(ap);
if (rc != EOK) {
oom_check(rc, path);
printf("%s: Error spawning %s (%s)\n", NAME, path,
str_error(rc));
return rc;
}
if (!id) {
printf("%s: Error spawning %s (invalid task id)\n", NAME,
path);
return EINVAL;
}
task_exit_t texit;
int retval;
rc = task_wait(&wait, &texit, &retval);
if (rc != EOK) {
printf("%s: Error waiting for %s (%s)\n", NAME, path,
str_error(rc));
return rc;
}
if (texit != TASK_EXIT_NORMAL) {
printf("%s: Server %s failed to start (unexpectedly "
"terminated)\n", NAME, path);
return EINVAL;
}
if (retval != 0)
printf("%s: Server %s failed to start (exit code %d)\n", NAME,
path, retval);
return retval == 0 ? EOK : EPARTY;
}
static errno_t console(const char *isvc, const char *osvc)
{
service_id_t service_id;
errno_t rc = loc_service_get_id(isvc, &service_id, IPC_FLAG_BLOCKING);
if (rc != EOK) {
printf("%s: Error waiting on %s (%s)\n", NAME, isvc,
str_error(rc));
return rc;
}
rc = loc_service_get_id(osvc, &service_id, IPC_FLAG_BLOCKING);
if (rc != EOK) {
printf("%s: Error waiting on %s (%s)\n", NAME, osvc,
str_error(rc));
return rc;
}
return srv_start(SRV_CONSOLE, isvc, osvc);
}
#ifdef CONFIG_WINSYS
static errno_t display_server(void)
{
return srv_start(SRV_DISPLAY);
}
static int app_start(const char *app, const char *arg)
{
printf("%s: Spawning %s\n", NAME, app);
task_id_t id;
task_wait_t wait;
errno_t rc = task_spawnl(&id, &wait, app, app, arg, NULL);
if (rc != EOK) {
oom_check(rc, app);
printf("%s: Error spawning %s (%s)\n", NAME, app,
str_error(rc));
return -1;
}
task_exit_t texit;
int retval;
rc = task_wait(&wait, &texit, &retval);
if ((rc != EOK) || (texit != TASK_EXIT_NORMAL)) {
printf("%s: Error retrieving retval from %s (%s)\n", NAME,
app, str_error(rc));
return rc;
}
return retval;
}
#endif
static void getterm(const char *svc, const char *app, bool msg)
{
if (msg) {
printf("%s: Spawning %s %s %s --msg --wait -- %s\n", NAME,
APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
errno_t rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
LOCFS_MOUNT_POINT, "--msg", "--wait", "--", app, NULL);
if (rc != EOK) {
oom_check(rc, APP_GETTERM);
printf("%s: Error spawning %s %s %s --msg --wait -- %s\n",
NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
}
} else {
printf("%s: Spawning %s %s %s --wait -- %s\n", NAME,
APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
errno_t rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
LOCFS_MOUNT_POINT, "--wait", "--", app, NULL);
if (rc != EOK) {
oom_check(rc, APP_GETTERM);
printf("%s: Error spawning %s %s %s --wait -- %s\n",
NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
}
}
}
static bool mount_tmpfs(void)
{
errno_t rc = vfs_mount_path(TMPFS_MOUNT_POINT, TMPFS_FS_TYPE, "", "", 0, 0);
return mount_report("Temporary file system", TMPFS_MOUNT_POINT,
TMPFS_FS_TYPE, NULL, rc);
}
static errno_t init_sysvol(void)
{
vol_t *vol = NULL;
vol_info_t vinfo;
volume_id_t *volume_ids = NULL;
service_id_t *part_ids = NULL;
vol_part_info_t pinfo;
size_t nvols;
size_t nparts;
bool sv_mounted;
size_t i;
errno_t rc;
bool found_cfg;
const char **cp;
rc = vol_create(&vol);
if (rc != EOK) {
printf("Error contacting volume service.\n");
goto error;
}
rc = vol_get_volumes(vol, &volume_ids, &nvols);
if (rc != EOK) {
printf("Error getting list of volumes.\n");
goto error;
}
found_cfg = false;
for (i = 0; i < nvols; i++) {
rc = vol_info(vol, volume_ids[i], &vinfo);
if (rc != EOK) {
printf("Error getting volume information.\n");
rc = EIO;
goto error;
}
if (str_cmp(vinfo.path, "/w") == 0) {
found_cfg = true;
break;
}
}
free(volume_ids);
volume_ids = NULL;
if (!found_cfg) {
printf("%s: Creating live image directory structure.\n", NAME);
cp = sys_dirs;
while (*cp != NULL) {
rc = vfs_link_path(*cp, KIND_DIRECTORY, NULL);
if (rc != EOK) {
printf("%s: Error creating directory '%s'.\n",
NAME, *cp);
goto error;
}
++cp;
}
rc = futil_rcopy_contents("/cfg", "/w/cfg");
if (rc != EOK)
goto error;
} else {
printf("%s: System volume is configured.\n", NAME);
sv_mounted = false;
while (true) {
rc = vol_get_parts(vol, &part_ids, &nparts);
if (rc != EOK) {
printf("Error getting list of volumes.\n");
goto error;
}
for (i = 0; i < nparts; i++) {
rc = vol_part_info(vol, part_ids[i], &pinfo);
if (rc != EOK) {
printf("Error getting partition "
"information.\n");
rc = EIO;
goto error;
}
if (str_cmp(pinfo.cur_mp, "/w") == 0) {
sv_mounted = true;
break;
}
}
if (sv_mounted)
break;
free(part_ids);
part_ids = NULL;
fibril_sleep(1);
printf("Sleeping(1) for system volume.\n");
}
}
vol_destroy(vol);
return EOK;
error:
vol_destroy(vol);
if (volume_ids != NULL)
free(volume_ids);
if (part_ids != NULL)
free(part_ids);
return rc;
}
static errno_t system_startup(void)
{
errno_t rc;
if (str_cmp(STRING(RDFMT), "tmpfs") != 0)
srv_start("/srv/fs/tmpfs");
if (str_cmp(STRING(RDFMT), "exfat") != 0)
srv_start("/srv/fs/exfat");
if (str_cmp(STRING(RDFMT), "fat") != 0)
srv_start("/srv/fs/fat");
srv_start("/srv/fs/cdfs");
srv_start("/srv/fs/mfs");
srv_start("/srv/klog");
srv_start("/srv/fs/locfs");
if (!mount_locfs()) {
printf("%s: Exiting\n", NAME);
return EIO;
}
mount_tmpfs();
srv_start("/srv/devman");
srv_start("/srv/hid/s3c24xx_uart");
srv_start("/srv/hid/s3c24xx_ts");
srv_start("/srv/bd/vbd");
srv_start("/srv/volsrv");
init_sysvol();
srv_start("/srv/taskmon");
srv_start("/srv/net/loopip");
srv_start("/srv/net/ethip");
srv_start("/srv/net/dhcp");
srv_start("/srv/net/inetsrv");
srv_start("/srv/net/tcp");
srv_start("/srv/net/udp");
srv_start("/srv/net/dnsrsrv");
srv_start("/srv/clipboard");
srv_start("/srv/hid/remcons");
srv_start("/srv/hid/input", HID_INPUT);
srv_start("/srv/hid/output", HID_OUTPUT);
srv_start("/srv/audio/hound");
#ifdef CONFIG_WINSYS
if (!config_key_exists("console")) {
rc = display_server();
if (rc == EOK) {
app_start("/app/taskbar", NULL);
app_start("/app/terminal", "-topleft");
}
}
#endif
rc = console(HID_INPUT, HID_OUTPUT);
if (rc == EOK) {
getterm("term/vc0", "/app/bdsh", true);
getterm("term/vc1", "/app/bdsh", false);
getterm("term/vc2", "/app/bdsh", false);
getterm("term/vc3", "/app/bdsh", false);
getterm("term/vc4", "/app/bdsh", false);
getterm("term/vc5", "/app/bdsh", false);
}
return EOK;
}
static errno_t system_sys_shutdown(void)
{
vol_t *vol = NULL;
service_id_t *part_ids = NULL;
size_t nparts;
size_t i;
errno_t rc;
rc = vol_create(&vol);
if (rc != EOK) {
log_msg(LOG_DEFAULT, LVL_ERROR, "Error contacting volume "
"service.");
goto error;
}
rc = vol_get_parts(vol, &part_ids, &nparts);
if (rc != EOK) {
log_msg(LOG_DEFAULT, LVL_ERROR, "Error getting volume list.");
goto error;
}
for (i = 0; i < nparts; i++) {
rc = vol_part_eject(vol, part_ids[i]);
if (rc != EOK) {
log_msg(LOG_DEFAULT, LVL_ERROR, "Error ejecting "
"volume %zu", (size_t)part_ids[i]);
goto error;
}
}
free(part_ids);
vol_destroy(vol);
return EOK;
error:
if (part_ids != NULL)
free(part_ids);
if (vol != NULL)
vol_destroy(vol);
return rc;
}
static errno_t system_srv_init(sys_srv_t *syssrv)
{
port_id_t port;
loc_srv_t *srv = NULL;
service_id_t sid = 0;
errno_t rc;
(void)system;
log_msg(LOG_DEFAULT, LVL_DEBUG, "system_srv_init()");
rc = async_create_port(INTERFACE_SYSTEM, system_srv_conn, syssrv,
&port);
if (rc != EOK)
goto error;
rc = loc_server_register(NAME, &srv);
if (rc != EOK) {
log_msg(LOG_DEFAULT, LVL_ERROR,
"Failed registering server: %s.", str_error(rc));
rc = EEXIST;
goto error;
}
rc = loc_service_register(srv, SYSTEM_DEFAULT, &sid);
if (rc != EOK) {
log_msg(LOG_DEFAULT, LVL_ERROR,
"Failed registering service: %s.", str_error(rc));
rc = EEXIST;
goto error;
}
return EOK;
error:
if (sid != 0)
loc_service_unregister(srv, sid);
if (srv != NULL)
loc_server_unregister(srv);
return rc;
}
static void system_srv_conn(ipc_call_t *icall, void *arg)
{
sys_srv_t *syssrv = (sys_srv_t *)arg;
system_srv_initialize(&syssrv->srv);
syssrv->srv.ops = &system_srv_ops;
syssrv->srv.arg = syssrv;
system_conn(icall, &syssrv->srv);
}
static errno_t system_srv_shutdown(void *arg)
{
sys_srv_t *syssrv = (sys_srv_t *)arg;
errno_t rc;
log_msg(LOG_DEFAULT, LVL_NOTE, "system_srv_shutdown");
rc = system_sys_shutdown();
if (rc != EOK) {
log_msg(LOG_DEFAULT, LVL_NOTE, "system_srv_shutdown failed");
system_srv_shutdown_failed(&syssrv->srv);
}
log_msg(LOG_DEFAULT, LVL_NOTE, "system_srv_shutdown complete");
system_srv_shutdown_complete(&syssrv->srv);
return EOK;
}
int main(int argc, char *argv[])
{
errno_t rc;
sys_srv_t srv;
info_print();
if (log_init(NAME) != EOK) {
printf(NAME ": Failed to initialize logging.\n");
return 1;
}
rc = system_startup();
if (rc != EOK)
return 1;
rc = system_srv_init(&srv);
if (rc != EOK)
return 1;
printf(NAME ": Accepting connections.\n");
task_retval(0);
async_manager();
return 0;
}
HelenOS homepage, sources at GitHub