conf.h \
list.h \
log.h \
- lxc_state.h
+ state.h
liblxc_la_SOURCES = \
namespace.h \
conf.c conf.h \
list.h \
- lxc_state.c lxc_state.h \
+ state.c state.h \
log.c log.h \
\
network.c network.h \
lxc/lxc.h will contain exports of liblxc
**/
-#include <lxc/lxc_state.h>
+#include <lxc/state.h>
#include <lxc/list.h>
#include <lxc/log.h>
#include <lxc/conf.h>
+++ /dev/null
-/*
- * lxc: linux Container library
- *
- * (C) Copyright IBM Corp. 2007, 2008
- *
- * Authors:
- * Daniel Lezcano <dlezcano at fr.ibm.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/file.h>
-
-#include <lxc/lxc.h>
-
-static char *strstate[] = {
- "STOPPED", "STARTING", "RUNNING", "STOPPING",
- "ABORTING", "FREEZING", "FROZEN",
-};
-
-const char *lxc_state2str(lxc_state_t state)
-{
- if (state < STOPPED || state > MAX_STATE - 1)
- return NULL;
- return strstate[state];
-}
-
-lxc_state_t lxc_str2state(const char *state)
-{
- int i, len;
- len = sizeof(strstate)/sizeof(strstate[0]);
- for (i = 0; i < len; i++)
- if (!strcmp(strstate[i], state))
- return i;
- return -1;
-}
-
-int lxc_setstate(const char *name, lxc_state_t state)
-{
- int fd, err;
- char file[MAXPATHLEN];
- const char *str = lxc_state2str(state);
-
- if (!str)
- return -1;
-
- snprintf(file, MAXPATHLEN, LXCPATH "/%s/state", name);
-
- fd = open(file, O_WRONLY);
- if (fd < 0) {
- lxc_log_syserror("failed to open %s file", file);
- return -1;
- }
-
- if (flock(fd, LOCK_EX)) {
- lxc_log_syserror("failed to take the lock to %s", file);
- goto out;
- }
-
- if (ftruncate(fd, 0)) {
- lxc_log_syserror("failed to truncate the file %s", file);
- goto out;
- }
-
- if (write(fd, str, strlen(str)) < 0) {
- lxc_log_syserror("failed to write state to %s", file);
- goto out;
- }
-
- err = 0;
-out:
- close(fd);
-
- lxc_monitor_send_state(name, state);
-
- /* let the event to be propagated, crappy but that works,
- * otherwise the events will be folded into only one event,
- * and I want to have them to be one by one in order
- * to follow the different states of the container.
- */
- usleep(200000);
-
- return -err;
-}
-
-int lxc_mkstate(const char *name)
-{
- int fd;
- char file[MAXPATHLEN];
-
- snprintf(file, MAXPATHLEN, LXCPATH "/%s/state", name);
- fd = creat(file, S_IRUSR|S_IWUSR);
- if (fd < 0) {
- lxc_log_syserror("failed to create file %s", file);
- return -1;
- }
- close(fd);
- return 0;
-}
-
-int lxc_rmstate(const char *name)
-{
- char file[MAXPATHLEN];
- snprintf(file, MAXPATHLEN, LXCPATH "/%s/state", name);
- unlink(file);
- return 0;
-}
-
-lxc_state_t lxc_getstate(const char *name)
-{
- int fd, err;
- char file[MAXPATHLEN];
-
- snprintf(file, MAXPATHLEN, LXCPATH "/%s/state", name);
-
- fd = open(file, O_RDONLY);
- if (fd < 0) {
- lxc_log_syserror("failed to open %s", file);
- return -1;
- }
-
- if (flock(fd, LOCK_SH)) {
- lxc_log_syserror("failed to take the lock to %s", file);
- close(fd);
- return -1;
- }
-
- err = read(fd, file, strlen(file));
- if (err < 0) {
- lxc_log_syserror("failed to read file %s", file);
- close(fd);
- return -1;
- }
- file[err] = '\0';
-
- close(fd);
- return lxc_str2state(file);
-}
-
-static int freezer_state(const char *name)
-{
- char freezer[MAXPATHLEN];
- char status[MAXPATHLEN];
- FILE *file;
- int err;
-
- snprintf(freezer, MAXPATHLEN,
- LXCPATH "/%s/freezer.state", name);
-
- file = fopen(freezer, "r");
- if (!file)
- return -1;
-
- err = fscanf(file, "%s", status);
- fclose(file);
-
- if (err == EOF) {
- lxc_log_syserror("failed to read %s", freezer);
- return -1;
- }
-
- return lxc_str2state(status);
-}
-
-lxc_state_t lxc_state(const char *name)
-{
- int state = freezer_state(name);
- if (state != FROZEN && state != FREEZING)
- state = lxc_getstate(name);
- return state;
-}
+++ /dev/null
-/*
- * lxc: linux Container library
- *
- * (C) Copyright IBM Corp. 2007, 2008
- *
- * Authors:
- * Daniel Lezcano <dlezcano at fr.ibm.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-#ifndef _state_h
-#define _state_h
-
-typedef enum {
- STOPPED, STARTING, RUNNING, STOPPING,
- ABORTING, FREEZING, FROZEN, MAX_STATE,
-} lxc_state_t;
-
-extern int lxc_mkstate(const char *name);
-extern int lxc_rmstate(const char *name);
-extern int lxc_setstate(const char *name, lxc_state_t state);
-extern lxc_state_t lxc_getstate(const char *name);
-
-extern lxc_state_t lxc_str2state(const char *state);
-extern const char *lxc_state2str(lxc_state_t state);
-
-#endif
--- /dev/null
+/*
+ * lxc: linux Container library
+ *
+ * (C) Copyright IBM Corp. 2007, 2008
+ *
+ * Authors:
+ * Daniel Lezcano <dlezcano at fr.ibm.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/file.h>
+
+#include <lxc/lxc.h>
+
+static char *strstate[] = {
+ "STOPPED", "STARTING", "RUNNING", "STOPPING",
+ "ABORTING", "FREEZING", "FROZEN",
+};
+
+const char *lxc_state2str(lxc_state_t state)
+{
+ if (state < STOPPED || state > MAX_STATE - 1)
+ return NULL;
+ return strstate[state];
+}
+
+lxc_state_t lxc_str2state(const char *state)
+{
+ int i, len;
+ len = sizeof(strstate)/sizeof(strstate[0]);
+ for (i = 0; i < len; i++)
+ if (!strcmp(strstate[i], state))
+ return i;
+ return -1;
+}
+
+int lxc_setstate(const char *name, lxc_state_t state)
+{
+ int fd, err;
+ char file[MAXPATHLEN];
+ const char *str = lxc_state2str(state);
+
+ if (!str)
+ return -1;
+
+ snprintf(file, MAXPATHLEN, LXCPATH "/%s/state", name);
+
+ fd = open(file, O_WRONLY);
+ if (fd < 0) {
+ lxc_log_syserror("failed to open %s file", file);
+ return -1;
+ }
+
+ if (flock(fd, LOCK_EX)) {
+ lxc_log_syserror("failed to take the lock to %s", file);
+ goto out;
+ }
+
+ if (ftruncate(fd, 0)) {
+ lxc_log_syserror("failed to truncate the file %s", file);
+ goto out;
+ }
+
+ if (write(fd, str, strlen(str)) < 0) {
+ lxc_log_syserror("failed to write state to %s", file);
+ goto out;
+ }
+
+ err = 0;
+out:
+ close(fd);
+
+ lxc_monitor_send_state(name, state);
+
+ /* let the event to be propagated, crappy but that works,
+ * otherwise the events will be folded into only one event,
+ * and I want to have them to be one by one in order
+ * to follow the different states of the container.
+ */
+ usleep(200000);
+
+ return -err;
+}
+
+int lxc_mkstate(const char *name)
+{
+ int fd;
+ char file[MAXPATHLEN];
+
+ snprintf(file, MAXPATHLEN, LXCPATH "/%s/state", name);
+ fd = creat(file, S_IRUSR|S_IWUSR);
+ if (fd < 0) {
+ lxc_log_syserror("failed to create file %s", file);
+ return -1;
+ }
+ close(fd);
+ return 0;
+}
+
+int lxc_rmstate(const char *name)
+{
+ char file[MAXPATHLEN];
+ snprintf(file, MAXPATHLEN, LXCPATH "/%s/state", name);
+ unlink(file);
+ return 0;
+}
+
+lxc_state_t lxc_getstate(const char *name)
+{
+ int fd, err;
+ char file[MAXPATHLEN];
+
+ snprintf(file, MAXPATHLEN, LXCPATH "/%s/state", name);
+
+ fd = open(file, O_RDONLY);
+ if (fd < 0) {
+ lxc_log_syserror("failed to open %s", file);
+ return -1;
+ }
+
+ if (flock(fd, LOCK_SH)) {
+ lxc_log_syserror("failed to take the lock to %s", file);
+ close(fd);
+ return -1;
+ }
+
+ err = read(fd, file, strlen(file));
+ if (err < 0) {
+ lxc_log_syserror("failed to read file %s", file);
+ close(fd);
+ return -1;
+ }
+ file[err] = '\0';
+
+ close(fd);
+ return lxc_str2state(file);
+}
+
+static int freezer_state(const char *name)
+{
+ char freezer[MAXPATHLEN];
+ char status[MAXPATHLEN];
+ FILE *file;
+ int err;
+
+ snprintf(freezer, MAXPATHLEN,
+ LXCPATH "/%s/freezer.state", name);
+
+ file = fopen(freezer, "r");
+ if (!file)
+ return -1;
+
+ err = fscanf(file, "%s", status);
+ fclose(file);
+
+ if (err == EOF) {
+ lxc_log_syserror("failed to read %s", freezer);
+ return -1;
+ }
+
+ return lxc_str2state(status);
+}
+
+lxc_state_t lxc_state(const char *name)
+{
+ int state = freezer_state(name);
+ if (state != FROZEN && state != FREEZING)
+ state = lxc_getstate(name);
+ return state;
+}
--- /dev/null
+/*
+ * lxc: linux Container library
+ *
+ * (C) Copyright IBM Corp. 2007, 2008
+ *
+ * Authors:
+ * Daniel Lezcano <dlezcano at fr.ibm.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#ifndef _state_h
+#define _state_h
+
+typedef enum {
+ STOPPED, STARTING, RUNNING, STOPPING,
+ ABORTING, FREEZING, FROZEN, MAX_STATE,
+} lxc_state_t;
+
+extern int lxc_mkstate(const char *name);
+extern int lxc_rmstate(const char *name);
+extern int lxc_setstate(const char *name, lxc_state_t state);
+extern lxc_state_t lxc_getstate(const char *name);
+
+extern lxc_state_t lxc_str2state(const char *state);
+extern const char *lxc_state2str(lxc_state_t state);
+
+#endif
projects / mirror_lxc.git / commitdiff