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-rw-r--r--source3/profile/profile.c332
-rw-r--r--source3/profile/profile_dummy.c31
-rw-r--r--source3/profile/profile_read.c202
3 files changed, 565 insertions, 0 deletions
diff --git a/source3/profile/profile.c b/source3/profile/profile.c
new file mode 100644
index 0000000..0b02e36
--- /dev/null
+++ b/source3/profile/profile.c
@@ -0,0 +1,332 @@
+/*
+ Unix SMB/CIFS implementation.
+ store smbd profiling information in shared memory
+ Copyright (C) Andrew Tridgell 1999
+ Copyright (C) James Peach 2006
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "includes.h"
+#include "system/filesys.h"
+#include "system/time.h"
+#include "messages.h"
+#include "smbprofile.h"
+#include "lib/tdb_wrap/tdb_wrap.h"
+#include <tevent.h>
+#include "../lib/crypto/crypto.h"
+
+#ifdef HAVE_SYS_RESOURCE_H
+#include <sys/resource.h>
+#endif
+
+struct profile_stats *profile_p;
+struct smbprofile_global_state smbprofile_state;
+
+/****************************************************************************
+Set a profiling level.
+****************************************************************************/
+void set_profile_level(int level, const struct server_id *src)
+{
+ SMB_ASSERT(smbprofile_state.internal.db != NULL);
+
+ switch (level) {
+ case 0: /* turn off profiling */
+ smbprofile_state.config.do_count = false;
+ smbprofile_state.config.do_times = false;
+ DEBUG(1,("INFO: Profiling turned OFF from pid %d\n",
+ (int)procid_to_pid(src)));
+ break;
+ case 1: /* turn on counter profiling only */
+ smbprofile_state.config.do_count = true;
+ smbprofile_state.config.do_times = false;
+ DEBUG(1,("INFO: Profiling counts turned ON from pid %d\n",
+ (int)procid_to_pid(src)));
+ break;
+ case 2: /* turn on complete profiling */
+ smbprofile_state.config.do_count = true;
+ smbprofile_state.config.do_times = true;
+ DEBUG(1,("INFO: Full profiling turned ON from pid %d\n",
+ (int)procid_to_pid(src)));
+ break;
+ case 3: /* reset profile values */
+ ZERO_STRUCT(profile_p->values);
+ tdb_wipe_all(smbprofile_state.internal.db->tdb);
+ DEBUG(1,("INFO: Profiling values cleared from pid %d\n",
+ (int)procid_to_pid(src)));
+ break;
+ }
+}
+
+/****************************************************************************
+receive a set profile level message
+****************************************************************************/
+static void profile_message(struct messaging_context *msg_ctx,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id src,
+ DATA_BLOB *data)
+{
+ int level;
+
+ if (data->length != sizeof(level)) {
+ DEBUG(0, ("got invalid profile message\n"));
+ return;
+ }
+
+ memcpy(&level, data->data, sizeof(level));
+ set_profile_level(level, &src);
+}
+
+/****************************************************************************
+receive a request profile level message
+****************************************************************************/
+static void reqprofile_message(struct messaging_context *msg_ctx,
+ void *private_data,
+ uint32_t msg_type,
+ struct server_id src,
+ DATA_BLOB *data)
+{
+ int level;
+
+ level = 1;
+ if (smbprofile_state.config.do_count) {
+ level += 2;
+ }
+ if (smbprofile_state.config.do_times) {
+ level += 4;
+ }
+
+ DEBUG(1,("INFO: Received REQ_PROFILELEVEL message from PID %u\n",
+ (unsigned int)procid_to_pid(&src)));
+ messaging_send_buf(msg_ctx, src, MSG_PROFILELEVEL,
+ (uint8_t *)&level, sizeof(level));
+}
+
+/*******************************************************************
+ open the profiling shared memory area
+ ******************************************************************/
+bool profile_setup(struct messaging_context *msg_ctx, bool rdonly)
+{
+ char *db_name;
+ bool ok = false;
+ int rc;
+
+ if (smbprofile_state.internal.db != NULL) {
+ return true;
+ }
+
+ db_name = cache_path(talloc_tos(), "smbprofile.tdb");
+ if (db_name == NULL) {
+ return false;
+ }
+
+ smbprofile_state.internal.db = tdb_wrap_open(
+ NULL, db_name, 0,
+ rdonly ? 0 : TDB_CLEAR_IF_FIRST|TDB_MUTEX_LOCKING,
+ O_CREAT | (rdonly ? O_RDONLY : O_RDWR), 0644);
+ TALLOC_FREE(db_name);
+ if (smbprofile_state.internal.db == NULL) {
+ return false;
+ }
+
+ if (msg_ctx != NULL) {
+ messaging_register(msg_ctx, NULL, MSG_PROFILE,
+ profile_message);
+ messaging_register(msg_ctx, NULL, MSG_REQ_PROFILELEVEL,
+ reqprofile_message);
+ }
+
+ profile_p = &smbprofile_state.stats.global;
+
+ rc = smbprofile_magic(profile_p, &profile_p->magic);
+ if (rc != 0) {
+ goto out;
+ }
+
+ ok = true;
+out:
+
+ return ok;
+}
+
+void smbprofile_dump_setup(struct tevent_context *ev)
+{
+ TALLOC_FREE(smbprofile_state.internal.te);
+ smbprofile_state.internal.ev = ev;
+}
+
+static void smbprofile_dump_timer(struct tevent_context *ev,
+ struct tevent_timer *te,
+ struct timeval current_time,
+ void *private_data)
+{
+ smbprofile_dump();
+}
+
+void smbprofile_dump_schedule_timer(void)
+{
+ struct timeval tv;
+
+ GetTimeOfDay(&tv);
+ tv.tv_sec += 1;
+
+ smbprofile_state.internal.te = tevent_add_timer(
+ smbprofile_state.internal.ev,
+ smbprofile_state.internal.ev,
+ tv,
+ smbprofile_dump_timer,
+ NULL);
+}
+
+static int profile_stats_parser(TDB_DATA key, TDB_DATA value,
+ void *private_data)
+{
+ struct profile_stats *s = private_data;
+
+ if (value.dsize != sizeof(struct profile_stats)) {
+ *s = (struct profile_stats) {};
+ return 0;
+ }
+
+ memcpy(s, value.dptr, value.dsize);
+ if (s->magic != profile_p->magic) {
+ *s = (struct profile_stats) {};
+ return 0;
+ }
+
+ return 0;
+}
+
+void smbprofile_dump(void)
+{
+ pid_t pid = 0;
+ TDB_DATA key = { .dptr = (uint8_t *)&pid, .dsize = sizeof(pid) };
+ struct profile_stats s = {};
+ int ret;
+#ifdef HAVE_GETRUSAGE
+ struct rusage rself;
+#endif /* HAVE_GETRUSAGE */
+
+ TALLOC_FREE(smbprofile_state.internal.te);
+
+ if (! (smbprofile_state.config.do_count ||
+ smbprofile_state.config.do_times)) {
+ return;
+ }
+
+ if (smbprofile_state.internal.db == NULL) {
+ return;
+ }
+
+ pid = tevent_cached_getpid();
+
+ ret = tdb_chainlock(smbprofile_state.internal.db->tdb, key);
+ if (ret != 0) {
+ return;
+ }
+
+ tdb_parse_record(smbprofile_state.internal.db->tdb,
+ key, profile_stats_parser, &s);
+
+ smbprofile_stats_accumulate(profile_p, &s);
+
+#ifdef HAVE_GETRUSAGE
+ ret = getrusage(RUSAGE_SELF, &rself);
+ if (ret != 0) {
+ ZERO_STRUCT(rself);
+ }
+
+ profile_p->values.cpu_user_stats.time =
+ (rself.ru_utime.tv_sec * 1000000) +
+ rself.ru_utime.tv_usec;
+ profile_p->values.cpu_system_stats.time =
+ (rself.ru_stime.tv_sec * 1000000) +
+ rself.ru_stime.tv_usec;
+#endif /* HAVE_GETRUSAGE */
+
+ tdb_store(smbprofile_state.internal.db->tdb, key,
+ (TDB_DATA) {
+ .dptr = (uint8_t *)profile_p,
+ .dsize = sizeof(*profile_p)
+ },
+ 0);
+
+ tdb_chainunlock(smbprofile_state.internal.db->tdb, key);
+ ZERO_STRUCT(profile_p->values);
+
+ return;
+}
+
+void smbprofile_cleanup(pid_t pid, pid_t dst)
+{
+ TDB_DATA key = { .dptr = (uint8_t *)&pid, .dsize = sizeof(pid) };
+ struct profile_stats s = {};
+ struct profile_stats acc = {};
+ int ret;
+
+ if (smbprofile_state.internal.db == NULL) {
+ return;
+ }
+
+ ret = tdb_chainlock(smbprofile_state.internal.db->tdb, key);
+ if (ret != 0) {
+ return;
+ }
+ ret = tdb_parse_record(smbprofile_state.internal.db->tdb,
+ key, profile_stats_parser, &s);
+ if (ret == -1) {
+ tdb_chainunlock(smbprofile_state.internal.db->tdb, key);
+ return;
+ }
+ tdb_delete(smbprofile_state.internal.db->tdb, key);
+ tdb_chainunlock(smbprofile_state.internal.db->tdb, key);
+
+ pid = dst;
+ ret = tdb_chainlock(smbprofile_state.internal.db->tdb, key);
+ if (ret != 0) {
+ return;
+ }
+ tdb_parse_record(smbprofile_state.internal.db->tdb,
+ key, profile_stats_parser, &acc);
+
+ /*
+ * We may have to fix the disconnect count
+ * in case the process died
+ */
+ s.values.disconnect_stats.count = s.values.connect_stats.count;
+
+ smbprofile_stats_accumulate(&acc, &s);
+
+ acc.magic = profile_p->magic;
+ tdb_store(smbprofile_state.internal.db->tdb, key,
+ (TDB_DATA) {
+ .dptr = (uint8_t *)&acc,
+ .dsize = sizeof(acc)
+ },
+ 0);
+
+ tdb_chainunlock(smbprofile_state.internal.db->tdb, key);
+}
+
+void smbprofile_collect(struct profile_stats *stats)
+{
+ if (smbprofile_state.internal.db == NULL) {
+ return;
+ }
+ smbprofile_collect_tdb(smbprofile_state.internal.db->tdb,
+ profile_p->magic,
+ stats);
+}
diff --git a/source3/profile/profile_dummy.c b/source3/profile/profile_dummy.c
new file mode 100644
index 0000000..5d3213e
--- /dev/null
+++ b/source3/profile/profile_dummy.c
@@ -0,0 +1,31 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * profile.c implementation if profiles are not enabled
+ * Copyright (C) Volker Lendecke 2014
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "includes.h"
+#include "smbprofile.h"
+
+bool profile_setup(struct messaging_context *msg_ctx, bool rdonly)
+{
+ return true;
+}
+
+void set_profile_level(int level, const struct server_id *src)
+{
+ DBG_NOTICE("INFO: Profiling support unavailable in this build.\n");
+}
diff --git a/source3/profile/profile_read.c b/source3/profile/profile_read.c
new file mode 100644
index 0000000..45a1980
--- /dev/null
+++ b/source3/profile/profile_read.c
@@ -0,0 +1,202 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * store smbd profiling information in shared memory
+ * Copyright (C) Andrew Tridgell 1999
+ * Copyright (C) James Peach 2006
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "replace.h"
+#include <tdb.h>
+#include <gnutls/gnutls.h>
+#include <gnutls/crypto.h>
+#include "lib/crypto/gnutls_helpers.h"
+#include "lib/util/byteorder.h"
+#include "source3/include/smbprofile.h"
+
+void smbprofile_stats_accumulate(struct profile_stats *acc,
+ const struct profile_stats *add)
+{
+#define SMBPROFILE_STATS_START
+#define SMBPROFILE_STATS_SECTION_START(name, display)
+#define SMBPROFILE_STATS_COUNT(name) \
+ do { \
+ acc->values.name##_stats.count += \
+ add->values.name##_stats.count; \
+ } while (0);
+#define SMBPROFILE_STATS_TIME(name) \
+ do { \
+ acc->values.name##_stats.time += \
+ add->values.name##_stats.time; \
+ } while (0);
+#define SMBPROFILE_STATS_BASIC(name) \
+ do { \
+ acc->values.name##_stats.count += \
+ add->values.name##_stats.count; \
+ acc->values.name##_stats.time += \
+ add->values.name##_stats.time; \
+ } while (0);
+#define SMBPROFILE_STATS_BYTES(name) \
+ do { \
+ acc->values.name##_stats.count += \
+ add->values.name##_stats.count; \
+ acc->values.name##_stats.time += \
+ add->values.name##_stats.time; \
+ acc->values.name##_stats.idle += \
+ add->values.name##_stats.idle; \
+ acc->values.name##_stats.bytes += \
+ add->values.name##_stats.bytes; \
+ } while (0);
+#define SMBPROFILE_STATS_IOBYTES(name) \
+ do { \
+ acc->values.name##_stats.count += \
+ add->values.name##_stats.count; \
+ acc->values.name##_stats.time += \
+ add->values.name##_stats.time; \
+ acc->values.name##_stats.idle += \
+ add->values.name##_stats.idle; \
+ acc->values.name##_stats.inbytes += \
+ add->values.name##_stats.inbytes; \
+ acc->values.name##_stats.outbytes += \
+ add->values.name##_stats.outbytes; \
+ } while (0);
+#define SMBPROFILE_STATS_SECTION_END
+#define SMBPROFILE_STATS_END
+ SMBPROFILE_STATS_ALL_SECTIONS
+#undef SMBPROFILE_STATS_START
+#undef SMBPROFILE_STATS_SECTION_START
+#undef SMBPROFILE_STATS_COUNT
+#undef SMBPROFILE_STATS_TIME
+#undef SMBPROFILE_STATS_BASIC
+#undef SMBPROFILE_STATS_BYTES
+#undef SMBPROFILE_STATS_IOBYTES
+#undef SMBPROFILE_STATS_SECTION_END
+#undef SMBPROFILE_STATS_END
+}
+
+int smbprofile_magic(const struct profile_stats *stats, uint64_t *_magic)
+{
+ uint8_t digest[gnutls_hash_get_len(GNUTLS_DIG_SHA1)];
+ gnutls_hash_hd_t hash_hnd = NULL;
+ int rc;
+
+ GNUTLS_FIPS140_SET_LAX_MODE();
+
+ rc = gnutls_hash_init(&hash_hnd, GNUTLS_DIG_SHA1);
+ if (rc < 0) {
+ goto out;
+ }
+ rc = gnutls_hash(hash_hnd, stats, sizeof(*stats));
+
+#define __UPDATE(str) \
+ do { \
+ rc |= gnutls_hash(hash_hnd, str, strlen(str)); \
+ } while (0)
+#define SMBPROFILE_STATS_START
+#define SMBPROFILE_STATS_SECTION_START(name, display) \
+ do { \
+ __UPDATE(#name "+" #display); \
+ } while (0);
+#define SMBPROFILE_STATS_COUNT(name) \
+ do { \
+ __UPDATE(#name "+count"); \
+ } while (0);
+#define SMBPROFILE_STATS_TIME(name) \
+ do { \
+ __UPDATE(#name "+time"); \
+ } while (0);
+#define SMBPROFILE_STATS_BASIC(name) \
+ do { \
+ __UPDATE(#name "+count"); \
+ __UPDATE(#name "+time"); \
+ } while (0);
+#define SMBPROFILE_STATS_BYTES(name) \
+ do { \
+ __UPDATE(#name "+count"); \
+ __UPDATE(#name "+time"); \
+ __UPDATE(#name "+idle"); \
+ __UPDATE(#name "+bytes"); \
+ } while (0);
+#define SMBPROFILE_STATS_IOBYTES(name) \
+ do { \
+ __UPDATE(#name "+count"); \
+ __UPDATE(#name "+time"); \
+ __UPDATE(#name "+idle"); \
+ __UPDATE(#name "+inbytes"); \
+ __UPDATE(#name "+outbytes"); \
+ } while (0);
+#define SMBPROFILE_STATS_SECTION_END
+#define SMBPROFILE_STATS_END
+ SMBPROFILE_STATS_ALL_SECTIONS
+#undef __UPDATE
+#undef SMBPROFILE_STATS_START
+#undef SMBPROFILE_STATS_SECTION_START
+#undef SMBPROFILE_STATS_COUNT
+#undef SMBPROFILE_STATS_TIME
+#undef SMBPROFILE_STATS_BASIC
+#undef SMBPROFILE_STATS_BYTES
+#undef SMBPROFILE_STATS_IOBYTES
+#undef SMBPROFILE_STATS_SECTION_END
+#undef SMBPROFILE_STATS_END
+ if (rc != 0) {
+ gnutls_hash_deinit(hash_hnd, NULL);
+ goto out;
+ }
+
+ gnutls_hash_deinit(hash_hnd, digest);
+out:
+ GNUTLS_FIPS140_SET_STRICT_MODE();
+
+ if (rc == 0) {
+ uint64_t magic = PULL_LE_U64(digest, 0);
+ if (magic == 0) {
+ magic = PULL_LE_U64(digest, 0);
+ }
+ *_magic = magic;
+ }
+
+ return rc;
+}
+
+static int smbprofile_collect_fn(struct tdb_context *tdb,
+ TDB_DATA key,
+ TDB_DATA value,
+ void *private_data)
+{
+ struct profile_stats *acc = (struct profile_stats *)private_data;
+ const struct profile_stats *v;
+
+ if (value.dsize != sizeof(struct profile_stats)) {
+ return 0;
+ }
+
+ v = (const struct profile_stats *)value.dptr;
+
+ if (v->magic != acc->magic) {
+ return 0;
+ }
+
+ smbprofile_stats_accumulate(acc, v);
+ return 0;
+}
+
+void smbprofile_collect_tdb(struct tdb_context *tdb,
+ uint64_t magic,
+ struct profile_stats *stats)
+{
+ *stats = (struct profile_stats){.magic = magic};
+
+ tdb_traverse_read(tdb, smbprofile_collect_fn, stats);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 01:55:46 +0000