WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
-
+
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
-*/
+ */
/**
* @file statistics/gnunet-service-statistics.c
/**
* Watch entry.
*/
-struct WatchEntry
-{
-
+struct WatchEntry {
/**
* Watch entries are kept in a linked list.
*/
/**
* Entry in the statistics list.
*/
-struct StatsEntry
-{
+struct StatsEntry {
/**
* This is a linked list.
*/
* We keep the statistics organized by subsystem for faster
* lookup during SET operations.
*/
-struct SubsystemEntry
-{
+struct SubsystemEntry {
/**
* Subsystems are kept in a DLL.
*/
/**
* Client entry.
*/
-struct ClientEntry
-{
+struct ClientEntry {
/**
* Corresponding server handle.
*/
* Write persistent statistics to disk.
*/
static void
-save ()
+save()
{
struct SubsystemEntry *se;
struct StatsEntry *pos;
size_t slen;
struct GNUNET_STATISTICS_SetMessage *msg;
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg,
- "STATISTICS",
- "DATABASE",
- &fn))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "STATISTICS",
- "DATABASE");
- return;
- }
- (void) GNUNET_DISK_directory_create_for_file (fn);
- wh = GNUNET_BIO_write_open (fn);
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename(cfg,
+ "STATISTICS",
+ "DATABASE",
+ &fn))
+ {
+ GNUNET_log_config_missing(GNUNET_ERROR_TYPE_ERROR,
+ "STATISTICS",
+ "DATABASE");
+ return;
+ }
+ (void)GNUNET_DISK_directory_create_for_file(fn);
+ wh = GNUNET_BIO_write_open(fn);
total = 0;
while (NULL != (se = sub_head))
- {
- GNUNET_CONTAINER_DLL_remove (sub_head, sub_tail, se);
- slen = strlen (se->service) + 1;
- while (NULL != (pos = se->stat_head))
{
- GNUNET_CONTAINER_DLL_remove (se->stat_head, se->stat_tail, pos);
- if ((pos->persistent) && (NULL != wh))
- {
- nlen = strlen (pos->name) + 1;
- size = sizeof (struct GNUNET_STATISTICS_SetMessage) + nlen + slen;
- GNUNET_assert (size < UINT16_MAX);
- msg = GNUNET_malloc (size);
-
- msg->header.size = htons ((uint16_t) size);
- msg->header.type = htons (GNUNET_MESSAGE_TYPE_STATISTICS_SET);
- GNUNET_assert (nlen + slen ==
- GNUNET_STRINGS_buffer_fill ((char *) &msg[1],
- nlen + slen,
- 2,
- se->service,
- pos->name));
- msg->flags =
- htonl (pos->persistent ? GNUNET_STATISTICS_SETFLAG_PERSISTENT : 0);
- msg->value = GNUNET_htonll (pos->value);
- if (GNUNET_OK != GNUNET_BIO_write (wh, msg, size))
+ GNUNET_CONTAINER_DLL_remove(sub_head, sub_tail, se);
+ slen = strlen(se->service) + 1;
+ while (NULL != (pos = se->stat_head))
{
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "write", fn);
- if (GNUNET_OK != GNUNET_BIO_write_close (wh))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "close", fn);
- wh = NULL;
+ GNUNET_CONTAINER_DLL_remove(se->stat_head, se->stat_tail, pos);
+ if ((pos->persistent) && (NULL != wh))
+ {
+ nlen = strlen(pos->name) + 1;
+ size = sizeof(struct GNUNET_STATISTICS_SetMessage) + nlen + slen;
+ GNUNET_assert(size < UINT16_MAX);
+ msg = GNUNET_malloc(size);
+
+ msg->header.size = htons((uint16_t)size);
+ msg->header.type = htons(GNUNET_MESSAGE_TYPE_STATISTICS_SET);
+ GNUNET_assert(nlen + slen ==
+ GNUNET_STRINGS_buffer_fill((char *)&msg[1],
+ nlen + slen,
+ 2,
+ se->service,
+ pos->name));
+ msg->flags =
+ htonl(pos->persistent ? GNUNET_STATISTICS_SETFLAG_PERSISTENT : 0);
+ msg->value = GNUNET_htonll(pos->value);
+ if (GNUNET_OK != GNUNET_BIO_write(wh, msg, size))
+ {
+ GNUNET_log_strerror_file(GNUNET_ERROR_TYPE_WARNING, "write", fn);
+ if (GNUNET_OK != GNUNET_BIO_write_close(wh))
+ GNUNET_log_strerror_file(GNUNET_ERROR_TYPE_WARNING, "close", fn);
+ wh = NULL;
+ }
+ else
+ {
+ total += size;
+ }
+ GNUNET_free(msg);
+ }
+ GNUNET_free(pos);
}
- else
- {
- total += size;
- }
- GNUNET_free (msg);
- }
- GNUNET_free (pos);
+ GNUNET_free(se);
}
- GNUNET_free (se);
- }
if (NULL != wh)
- {
- if (GNUNET_OK != GNUNET_BIO_write_close (wh))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "close", fn);
- if (0 == total)
- GNUNET_break (0 == unlink (fn));
- else
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _ ("Wrote %llu bytes of statistics to `%s'\n"),
- total,
- fn);
- }
- GNUNET_free_non_null (fn);
+ {
+ if (GNUNET_OK != GNUNET_BIO_write_close(wh))
+ GNUNET_log_strerror_file(GNUNET_ERROR_TYPE_WARNING, "close", fn);
+ if (0 == total)
+ GNUNET_break(0 == unlink(fn));
+ else
+ GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+ _("Wrote %llu bytes of statistics to `%s'\n"),
+ total,
+ fn);
+ }
+ GNUNET_free_non_null(fn);
}
* @param e value to transmit
*/
static void
-transmit (struct ClientEntry *ce, const struct StatsEntry *e)
+transmit(struct ClientEntry *ce, const struct StatsEntry *e)
{
struct GNUNET_MQ_Envelope *env;
struct GNUNET_STATISTICS_ReplyMessage *m;
size_t size;
- size = strlen (e->subsystem->service) + 1 + strlen (e->name) + 1;
- GNUNET_assert (size < GNUNET_MAX_MESSAGE_SIZE);
- env = GNUNET_MQ_msg_extra (m, size, GNUNET_MESSAGE_TYPE_STATISTICS_VALUE);
- m->uid = htonl (e->uid);
+ size = strlen(e->subsystem->service) + 1 + strlen(e->name) + 1;
+ GNUNET_assert(size < GNUNET_MAX_MESSAGE_SIZE);
+ env = GNUNET_MQ_msg_extra(m, size, GNUNET_MESSAGE_TYPE_STATISTICS_VALUE);
+ m->uid = htonl(e->uid);
if (e->persistent)
- m->uid |= htonl (GNUNET_STATISTICS_PERSIST_BIT);
- m->value = GNUNET_htonll (e->value);
- GNUNET_assert (size == GNUNET_STRINGS_buffer_fill ((char *) &m[1],
- size,
- 2,
- e->subsystem->service,
- e->name));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transmitting value for `%s:%s' (%d): %llu\n",
- e->subsystem->service,
- e->name,
- e->persistent,
- (unsigned long long) e->value);
- GNUNET_MQ_send (ce->mq, env);
+ m->uid |= htonl(GNUNET_STATISTICS_PERSIST_BIT);
+ m->value = GNUNET_htonll(e->value);
+ GNUNET_assert(size == GNUNET_STRINGS_buffer_fill((char *)&m[1],
+ size,
+ 2,
+ e->subsystem->service,
+ e->name));
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Transmitting value for `%s:%s' (%d): %llu\n",
+ e->subsystem->service,
+ e->name,
+ e->persistent,
+ (unsigned long long)e->value);
+ GNUNET_MQ_send(ce->mq, env);
}
* @return @a c
*/
static void *
-client_connect_cb (void *cls,
- struct GNUNET_SERVICE_Client *c,
- struct GNUNET_MQ_Handle *mq)
+client_connect_cb(void *cls,
+ struct GNUNET_SERVICE_Client *c,
+ struct GNUNET_MQ_Handle *mq)
{
struct ClientEntry *ce;
- ce = GNUNET_new (struct ClientEntry);
+ ce = GNUNET_new(struct ClientEntry);
ce->client = c;
ce->mq = mq;
client_count++;
- GNUNET_notification_context_add (nc, mq);
+ GNUNET_notification_context_add(nc, mq);
return ce;
}
* @return #GNUNET_OK if @a message is well-formed
*/
static int
-check_get (void *cls, const struct GNUNET_MessageHeader *message)
+check_get(void *cls, const struct GNUNET_MessageHeader *message)
{
const char *service;
const char *name;
size_t size;
- size = ntohs (message->size) - sizeof (struct GNUNET_MessageHeader);
- if (size != GNUNET_STRINGS_buffer_tokenize ((const char *) &message[1],
- size,
- 2,
- &service,
- &name))
- {
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
+ size = ntohs(message->size) - sizeof(struct GNUNET_MessageHeader);
+ if (size != GNUNET_STRINGS_buffer_tokenize((const char *)&message[1],
+ size,
+ 2,
+ &service,
+ &name))
+ {
+ GNUNET_break(0);
+ return GNUNET_SYSERR;
+ }
return GNUNET_OK;
}
* @param message the actual message
*/
static void
-handle_get (void *cls, const struct GNUNET_MessageHeader *message)
+handle_get(void *cls, const struct GNUNET_MessageHeader *message)
{
struct ClientEntry *ce = cls;
struct GNUNET_MQ_Envelope *env;
struct StatsEntry *pos;
size_t size;
- size = ntohs (message->size) - sizeof (struct GNUNET_MessageHeader);
- GNUNET_assert (size ==
- GNUNET_STRINGS_buffer_tokenize ((const char *) &message[1],
- size,
- 2,
- &service,
- &name));
- slen = strlen (service);
- nlen = strlen (name);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received request for statistics on `%s:%s'\n",
- slen ? service : "*",
- nlen ? name : "*");
+ size = ntohs(message->size) - sizeof(struct GNUNET_MessageHeader);
+ GNUNET_assert(size ==
+ GNUNET_STRINGS_buffer_tokenize((const char *)&message[1],
+ size,
+ 2,
+ &service,
+ &name));
+ slen = strlen(service);
+ nlen = strlen(name);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Received request for statistics on `%s:%s'\n",
+ slen ? service : "*",
+ nlen ? name : "*");
for (se = sub_head; NULL != se; se = se->next)
- {
- if (! ((0 == slen) || (0 == strcmp (service, se->service))))
- continue;
- for (pos = se->stat_head; NULL != pos; pos = pos->next)
{
- if (! ((0 == nlen) || (0 == strcmp (name, pos->name))))
+ if (!((0 == slen) || (0 == strcmp(service, se->service))))
continue;
- transmit (ce, pos);
+ for (pos = se->stat_head; NULL != pos; pos = pos->next)
+ {
+ if (!((0 == nlen) || (0 == strcmp(name, pos->name))))
+ continue;
+ transmit(ce, pos);
+ }
}
- }
- env = GNUNET_MQ_msg (end, GNUNET_MESSAGE_TYPE_STATISTICS_END);
- GNUNET_MQ_send (ce->mq, env);
- GNUNET_SERVICE_client_continue (ce->client);
+ env = GNUNET_MQ_msg(end, GNUNET_MESSAGE_TYPE_STATISTICS_END);
+ GNUNET_MQ_send(ce->mq, env);
+ GNUNET_SERVICE_client_continue(ce->client);
}
* @param se value that changed
*/
static void
-notify_change (struct StatsEntry *se)
+notify_change(struct StatsEntry *se)
{
struct GNUNET_MQ_Envelope *env;
struct GNUNET_STATISTICS_WatchValueMessage *wvm;
struct WatchEntry *pos;
for (pos = se->we_head; NULL != pos; pos = pos->next)
- {
- if (GNUNET_YES == pos->last_value_set)
- {
- if (pos->last_value == se->value)
- continue;
- }
- else
{
- pos->last_value_set = GNUNET_YES;
+ if (GNUNET_YES == pos->last_value_set)
+ {
+ if (pos->last_value == se->value)
+ continue;
+ }
+ else
+ {
+ pos->last_value_set = GNUNET_YES;
+ }
+ env = GNUNET_MQ_msg(wvm, GNUNET_MESSAGE_TYPE_STATISTICS_WATCH_VALUE);
+ wvm->flags =
+ htonl(se->persistent ? GNUNET_STATISTICS_SETFLAG_PERSISTENT : 0);
+ wvm->wid = htonl(pos->wid);
+ wvm->reserved = htonl(0);
+ wvm->value = GNUNET_htonll(se->value);
+ GNUNET_MQ_send(pos->ce->mq, env);
+ pos->last_value = se->value;
}
- env = GNUNET_MQ_msg (wvm, GNUNET_MESSAGE_TYPE_STATISTICS_WATCH_VALUE);
- wvm->flags =
- htonl (se->persistent ? GNUNET_STATISTICS_SETFLAG_PERSISTENT : 0);
- wvm->wid = htonl (pos->wid);
- wvm->reserved = htonl (0);
- wvm->value = GNUNET_htonll (se->value);
- GNUNET_MQ_send (pos->ce->mq, env);
- pos->last_value = se->value;
- }
}
* @return subsystem entry, never NULL (subsystem entry is created if necessary)
*/
static struct SubsystemEntry *
-find_subsystem_entry (struct ClientEntry *ce, const char *service)
+find_subsystem_entry(struct ClientEntry *ce, const char *service)
{
size_t slen;
struct SubsystemEntry *se;
se = ce->subsystem;
else
se = NULL;
- if ((NULL == se) || (0 != strcmp (service, se->service)))
- {
- for (se = sub_head; NULL != se; se = se->next)
- if (0 == strcmp (service, se->service))
- break;
- if (NULL != ce)
- ce->subsystem = se;
- }
+ if ((NULL == se) || (0 != strcmp(service, se->service)))
+ {
+ for (se = sub_head; NULL != se; se = se->next)
+ if (0 == strcmp(service, se->service))
+ break;
+ if (NULL != ce)
+ ce->subsystem = se;
+ }
if (NULL != se)
return se;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Allocating new subsystem entry `%s'\n",
- service);
- slen = strlen (service) + 1;
- se = GNUNET_malloc (sizeof (struct SubsystemEntry) + slen);
- GNUNET_memcpy (&se[1], service, slen);
- se->service = (const char *) &se[1];
- GNUNET_CONTAINER_DLL_insert (sub_head, sub_tail, se);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Allocating new subsystem entry `%s'\n",
+ service);
+ slen = strlen(service) + 1;
+ se = GNUNET_malloc(sizeof(struct SubsystemEntry) + slen);
+ GNUNET_memcpy(&se[1], service, slen);
+ se->service = (const char *)&se[1];
+ GNUNET_CONTAINER_DLL_insert(sub_head, sub_tail, se);
if (NULL != ce)
ce->subsystem = se;
return se;
* @return statistis entry, or NULL if not found
*/
static struct StatsEntry *
-find_stat_entry (struct SubsystemEntry *se, const char *name)
+find_stat_entry(struct SubsystemEntry *se, const char *name)
{
struct StatsEntry *pos;
for (pos = se->stat_head; NULL != pos; pos = pos->next)
- if (0 == strcmp (name, pos->name))
+ if (0 == strcmp(name, pos->name))
return pos;
return NULL;
}
* @return #GNUNET_OK if message is well-formed
*/
static int
-check_set (void *cls, const struct GNUNET_STATISTICS_SetMessage *msg)
+check_set(void *cls, const struct GNUNET_STATISTICS_SetMessage *msg)
{
const char *service;
const char *name;
size_t msize;
- msize = ntohs (msg->header.size) - sizeof (*msg);
- if (msize != GNUNET_STRINGS_buffer_tokenize ((const char *) &msg[1],
- msize,
- 2,
- &service,
- &name))
- {
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
+ msize = ntohs(msg->header.size) - sizeof(*msg);
+ if (msize != GNUNET_STRINGS_buffer_tokenize((const char *)&msg[1],
+ msize,
+ 2,
+ &service,
+ &name))
+ {
+ GNUNET_break(0);
+ return GNUNET_SYSERR;
+ }
return GNUNET_OK;
}
* @param message the actual message
*/
static void
-handle_set (void *cls, const struct GNUNET_STATISTICS_SetMessage *msg)
+handle_set(void *cls, const struct GNUNET_STATISTICS_SetMessage *msg)
{
struct ClientEntry *ce = cls;
const char *service;
int changed;
int initial_set;
- msize = ntohs (msg->header.size);
- size = msize - sizeof (struct GNUNET_STATISTICS_SetMessage);
- GNUNET_assert (size == GNUNET_STRINGS_buffer_tokenize ((const char *) &msg[1],
- size,
- 2,
- &service,
- &name));
- se = find_subsystem_entry (ce, service);
- flags = ntohl (msg->flags);
- value = GNUNET_ntohll (msg->value);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received request to update statistic on `%s:%s' (%u) to/by %llu\n",
- service,
- name,
- (unsigned int) flags,
- (unsigned long long) value);
- pos = find_stat_entry (se, name);
+ msize = ntohs(msg->header.size);
+ size = msize - sizeof(struct GNUNET_STATISTICS_SetMessage);
+ GNUNET_assert(size == GNUNET_STRINGS_buffer_tokenize((const char *)&msg[1],
+ size,
+ 2,
+ &service,
+ &name));
+ se = find_subsystem_entry(ce, service);
+ flags = ntohl(msg->flags);
+ value = GNUNET_ntohll(msg->value);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Received request to update statistic on `%s:%s' (%u) to/by %llu\n",
+ service,
+ name,
+ (unsigned int)flags,
+ (unsigned long long)value);
+ pos = find_stat_entry(se, name);
if (NULL != pos)
- {
- initial_set = 0;
- if (0 == (flags & GNUNET_STATISTICS_SETFLAG_RELATIVE))
{
- changed = (pos->value != value);
- pos->value = value;
- }
- else
- {
- delta = (int64_t) value;
- if ((delta < 0) && (pos->value < -delta))
- {
- changed = (0 != pos->value);
- pos->value = 0;
- }
+ initial_set = 0;
+ if (0 == (flags & GNUNET_STATISTICS_SETFLAG_RELATIVE))
+ {
+ changed = (pos->value != value);
+ pos->value = value;
+ }
else
- {
- changed = (0 != delta);
- GNUNET_break ((delta <= 0) || (pos->value + delta > pos->value));
- pos->value += delta;
- }
+ {
+ delta = (int64_t)value;
+ if ((delta < 0) && (pos->value < -delta))
+ {
+ changed = (0 != pos->value);
+ pos->value = 0;
+ }
+ else
+ {
+ changed = (0 != delta);
+ GNUNET_break((delta <= 0) || (pos->value + delta > pos->value));
+ pos->value += delta;
+ }
+ }
+ if (GNUNET_NO == pos->set)
+ {
+ pos->set = GNUNET_YES;
+ initial_set = 1;
+ }
+ pos->persistent = (0 != (flags & GNUNET_STATISTICS_SETFLAG_PERSISTENT));
+ if (pos != se->stat_head)
+ {
+ /* move to front for faster setting next time! */
+ GNUNET_CONTAINER_DLL_remove(se->stat_head, se->stat_tail, pos);
+ GNUNET_CONTAINER_DLL_insert(se->stat_head, se->stat_tail, pos);
+ }
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Statistic `%s:%s' updated to value %llu (%d).\n",
+ service,
+ name,
+ (unsigned long long)pos->value,
+ pos->persistent);
+ if ((changed) || (1 == initial_set))
+ notify_change(pos);
+ GNUNET_SERVICE_client_continue(ce->client);
+ return;
}
- if (GNUNET_NO == pos->set)
+ /* not found, create a new entry */
+ nlen = strlen(name) + 1;
+ pos = GNUNET_malloc(sizeof(struct StatsEntry) + nlen);
+ GNUNET_memcpy(&pos[1], name, nlen);
+ pos->name = (const char *)&pos[1];
+ pos->subsystem = se;
+ if ((0 == (flags & GNUNET_STATISTICS_SETFLAG_RELATIVE)) ||
+ (0 < (int64_t)GNUNET_ntohll(msg->value)))
{
+ pos->value = GNUNET_ntohll(msg->value);
pos->set = GNUNET_YES;
- initial_set = 1;
}
- pos->persistent = (0 != (flags & GNUNET_STATISTICS_SETFLAG_PERSISTENT));
- if (pos != se->stat_head)
+ else
{
- /* move to front for faster setting next time! */
- GNUNET_CONTAINER_DLL_remove (se->stat_head, se->stat_tail, pos);
- GNUNET_CONTAINER_DLL_insert (se->stat_head, se->stat_tail, pos);
+ pos->set = GNUNET_NO;
}
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Statistic `%s:%s' updated to value %llu (%d).\n",
- service,
- name,
- (unsigned long long) pos->value,
- pos->persistent);
- if ((changed) || (1 == initial_set))
- notify_change (pos);
- GNUNET_SERVICE_client_continue (ce->client);
- return;
- }
- /* not found, create a new entry */
- nlen = strlen (name) + 1;
- pos = GNUNET_malloc (sizeof (struct StatsEntry) + nlen);
- GNUNET_memcpy (&pos[1], name, nlen);
- pos->name = (const char *) &pos[1];
- pos->subsystem = se;
- if ((0 == (flags & GNUNET_STATISTICS_SETFLAG_RELATIVE)) ||
- (0 < (int64_t) GNUNET_ntohll (msg->value)))
- {
- pos->value = GNUNET_ntohll (msg->value);
- pos->set = GNUNET_YES;
- }
- else
- {
- pos->set = GNUNET_NO;
- }
pos->uid = uidgen++;
pos->persistent = (0 != (flags & GNUNET_STATISTICS_SETFLAG_PERSISTENT));
- GNUNET_CONTAINER_DLL_insert (se->stat_head, se->stat_tail, pos);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "New statistic on `%s:%s' with value %llu created.\n",
- service,
- name,
- (unsigned long long) pos->value);
+ GNUNET_CONTAINER_DLL_insert(se->stat_head, se->stat_tail, pos);
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "New statistic on `%s:%s' with value %llu created.\n",
+ service,
+ name,
+ (unsigned long long)pos->value);
if (NULL != ce)
- GNUNET_SERVICE_client_continue (ce->client);
+ GNUNET_SERVICE_client_continue(ce->client);
}
* @return #GNUNET_OK if message is well-formed
*/
static int
-check_watch (void *cls, const struct GNUNET_MessageHeader *message)
+check_watch(void *cls, const struct GNUNET_MessageHeader *message)
{
size_t size;
const char *service;
const char *name;
- size = ntohs (message->size) - sizeof (struct GNUNET_MessageHeader);
- if (size != GNUNET_STRINGS_buffer_tokenize ((const char *) &message[1],
- size,
- 2,
- &service,
- &name))
- {
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
+ size = ntohs(message->size) - sizeof(struct GNUNET_MessageHeader);
+ if (size != GNUNET_STRINGS_buffer_tokenize((const char *)&message[1],
+ size,
+ 2,
+ &service,
+ &name))
+ {
+ GNUNET_break(0);
+ return GNUNET_SYSERR;
+ }
return GNUNET_OK;
}
* @param message the actual message
*/
static void
-handle_watch (void *cls, const struct GNUNET_MessageHeader *message)
+handle_watch(void *cls, const struct GNUNET_MessageHeader *message)
{
struct ClientEntry *ce = cls;
const char *service;
size_t nlen;
if (NULL == nc)
- {
- GNUNET_SERVICE_client_drop (ce->client);
- return;
- }
- GNUNET_SERVICE_client_mark_monitor (ce->client);
- msize = ntohs (message->size);
- size = msize - sizeof (struct GNUNET_MessageHeader);
- GNUNET_assert (size ==
- GNUNET_STRINGS_buffer_tokenize ((const char *) &message[1],
- size,
- 2,
- &service,
- &name));
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received request to watch statistic on `%s:%s'\n",
- service,
- name);
- se = find_subsystem_entry (ce, service);
- pos = find_stat_entry (se, name);
+ {
+ GNUNET_SERVICE_client_drop(ce->client);
+ return;
+ }
+ GNUNET_SERVICE_client_mark_monitor(ce->client);
+ msize = ntohs(message->size);
+ size = msize - sizeof(struct GNUNET_MessageHeader);
+ GNUNET_assert(size ==
+ GNUNET_STRINGS_buffer_tokenize((const char *)&message[1],
+ size,
+ 2,
+ &service,
+ &name));
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Received request to watch statistic on `%s:%s'\n",
+ service,
+ name);
+ se = find_subsystem_entry(ce, service);
+ pos = find_stat_entry(se, name);
if (NULL == pos)
- {
- nlen = strlen (name) + 1;
- pos = GNUNET_malloc (sizeof (struct StatsEntry) + nlen);
- GNUNET_memcpy (&pos[1], name, nlen);
- pos->name = (const char *) &pos[1];
- pos->subsystem = se;
- GNUNET_CONTAINER_DLL_insert (se->stat_head, se->stat_tail, pos);
- pos->uid = uidgen++;
- pos->set = GNUNET_NO;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "New statistic on `%s:%s' with value %llu created.\n",
- service,
- name,
- (unsigned long long) pos->value);
- }
- we = GNUNET_new (struct WatchEntry);
+ {
+ nlen = strlen(name) + 1;
+ pos = GNUNET_malloc(sizeof(struct StatsEntry) + nlen);
+ GNUNET_memcpy(&pos[1], name, nlen);
+ pos->name = (const char *)&pos[1];
+ pos->subsystem = se;
+ GNUNET_CONTAINER_DLL_insert(se->stat_head, se->stat_tail, pos);
+ pos->uid = uidgen++;
+ pos->set = GNUNET_NO;
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "New statistic on `%s:%s' with value %llu created.\n",
+ service,
+ name,
+ (unsigned long long)pos->value);
+ }
+ we = GNUNET_new(struct WatchEntry);
we->ce = ce;
we->last_value_set = GNUNET_NO;
we->wid = ce->max_wid++;
- GNUNET_CONTAINER_DLL_insert (pos->we_head, pos->we_tail, we);
+ GNUNET_CONTAINER_DLL_insert(pos->we_head, pos->we_tail, we);
if (0 != pos->value)
- notify_change (pos);
- GNUNET_SERVICE_client_continue (ce->client);
+ notify_change(pos);
+ GNUNET_SERVICE_client_continue(ce->client);
}
* @param message the actual message
*/
static void
-handle_disconnect (void *cls, const struct GNUNET_MessageHeader *message)
+handle_disconnect(void *cls, const struct GNUNET_MessageHeader *message)
{
struct ClientEntry *ce = cls;
struct GNUNET_MQ_Envelope *env;
struct GNUNET_MessageHeader *msg;
- env = GNUNET_MQ_msg (msg, GNUNET_MESSAGE_TYPE_STATISTICS_DISCONNECT_CONFIRM);
- GNUNET_MQ_send (ce->mq, env);
- GNUNET_SERVICE_client_continue (ce->client);
+ env = GNUNET_MQ_msg(msg, GNUNET_MESSAGE_TYPE_STATISTICS_DISCONNECT_CONFIRM);
+ GNUNET_MQ_send(ce->mq, env);
+ GNUNET_SERVICE_client_continue(ce->client);
}
* Actually perform the shutdown.
*/
static void
-do_shutdown ()
+do_shutdown()
{
struct WatchEntry *we;
struct StatsEntry *pos;
if (NULL == nc)
return;
- save ();
- GNUNET_notification_context_destroy (nc);
+ save();
+ GNUNET_notification_context_destroy(nc);
nc = NULL;
- GNUNET_assert (0 == client_count);
+ GNUNET_assert(0 == client_count);
while (NULL != (se = sub_head))
- {
- GNUNET_CONTAINER_DLL_remove (sub_head, sub_tail, se);
- while (NULL != (pos = se->stat_head))
{
- GNUNET_CONTAINER_DLL_remove (se->stat_head, se->stat_tail, pos);
- while (NULL != (we = pos->we_head))
- {
- GNUNET_break (0);
- GNUNET_CONTAINER_DLL_remove (pos->we_head, pos->we_tail, we);
- GNUNET_free (we);
- }
- GNUNET_free (pos);
+ GNUNET_CONTAINER_DLL_remove(sub_head, sub_tail, se);
+ while (NULL != (pos = se->stat_head))
+ {
+ GNUNET_CONTAINER_DLL_remove(se->stat_head, se->stat_tail, pos);
+ while (NULL != (we = pos->we_head))
+ {
+ GNUNET_break(0);
+ GNUNET_CONTAINER_DLL_remove(pos->we_head, pos->we_tail, we);
+ GNUNET_free(we);
+ }
+ GNUNET_free(pos);
+ }
+ GNUNET_free(se);
}
- GNUNET_free (se);
- }
}
* @param cls unused
*/
static void
-shutdown_task (void *cls)
+shutdown_task(void *cls)
{
in_shutdown = GNUNET_YES;
if (0 != client_count)
return;
- do_shutdown ();
+ do_shutdown();
}
* @param app_cls the `struct ClientEntry *`
*/
static void
-client_disconnect_cb (void *cls,
- struct GNUNET_SERVICE_Client *client,
- void *app_cls)
+client_disconnect_cb(void *cls,
+ struct GNUNET_SERVICE_Client *client,
+ void *app_cls)
{
struct ClientEntry *ce = app_cls;
struct WatchEntry *we;
client_count--;
for (se = sub_head; NULL != se; se = se->next)
- {
- for (pos = se->stat_head; NULL != pos; pos = pos->next)
{
- wen = pos->we_head;
- while (NULL != (we = wen))
- {
- wen = we->next;
- if (we->ce != ce)
- continue;
- GNUNET_CONTAINER_DLL_remove (pos->we_head, pos->we_tail, we);
- GNUNET_free (we);
- }
+ for (pos = se->stat_head; NULL != pos; pos = pos->next)
+ {
+ wen = pos->we_head;
+ while (NULL != (we = wen))
+ {
+ wen = we->next;
+ if (we->ce != ce)
+ continue;
+ GNUNET_CONTAINER_DLL_remove(pos->we_head, pos->we_tail, we);
+ GNUNET_free(we);
+ }
+ }
}
- }
- GNUNET_free (ce);
+ GNUNET_free(ce);
if ((0 == client_count) && (GNUNET_YES == in_shutdown))
- do_shutdown ();
+ do_shutdown();
}
* #GNUNET_SYSERR to stop further processing with error
*/
static int
-inject_message (void *cls, const struct GNUNET_MessageHeader *message)
+inject_message(void *cls, const struct GNUNET_MessageHeader *message)
{
- uint16_t msize = ntohs (message->size);
+ uint16_t msize = ntohs(message->size);
const struct GNUNET_STATISTICS_SetMessage *sm;
- sm = (const struct GNUNET_STATISTICS_SetMessage *) message;
- if ((sizeof (struct GNUNET_STATISTICS_SetMessage) > msize) ||
- (GNUNET_OK != check_set (NULL, sm)))
- {
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
- handle_set (NULL, sm);
+ sm = (const struct GNUNET_STATISTICS_SetMessage *)message;
+ if ((sizeof(struct GNUNET_STATISTICS_SetMessage) > msize) ||
+ (GNUNET_OK != check_set(NULL, sm)))
+ {
+ GNUNET_break(0);
+ return GNUNET_SYSERR;
+ }
+ handle_set(NULL, sm);
return GNUNET_OK;
}
* format that we also use for setting the values over the network.
*/
static void
-load ()
+load()
{
char *fn;
struct GNUNET_BIO_ReadHandle *rh;
char *buf;
struct GNUNET_MessageStreamTokenizer *mst;
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg,
- "STATISTICS",
- "DATABASE",
- &fn))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "STATISTICS",
- "DATABASE");
- return;
- }
+ if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename(cfg,
+ "STATISTICS",
+ "DATABASE",
+ &fn))
+ {
+ GNUNET_log_config_missing(GNUNET_ERROR_TYPE_ERROR,
+ "STATISTICS",
+ "DATABASE");
+ return;
+ }
if ((GNUNET_OK !=
- GNUNET_DISK_file_size (fn, &fsize, GNUNET_NO, GNUNET_YES)) ||
+ GNUNET_DISK_file_size(fn, &fsize, GNUNET_NO, GNUNET_YES)) ||
(0 == fsize))
- {
- GNUNET_free (fn);
- return;
- }
- buf = GNUNET_malloc (fsize);
- rh = GNUNET_BIO_read_open (fn);
- if (! rh)
- {
- GNUNET_free (buf);
- GNUNET_free (fn);
- return;
- }
- if (GNUNET_OK != GNUNET_BIO_read (rh, fn, buf, fsize))
- {
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "read", fn);
- GNUNET_break (GNUNET_OK == GNUNET_BIO_read_close (rh, NULL));
- GNUNET_free (buf);
- GNUNET_free (fn);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _ ("Loading %llu bytes of statistics from `%s'\n"),
- (unsigned long long) fsize,
- fn);
- mst = GNUNET_MST_create (&inject_message, NULL);
- GNUNET_break (
+ {
+ GNUNET_free(fn);
+ return;
+ }
+ buf = GNUNET_malloc(fsize);
+ rh = GNUNET_BIO_read_open(fn);
+ if (!rh)
+ {
+ GNUNET_free(buf);
+ GNUNET_free(fn);
+ return;
+ }
+ if (GNUNET_OK != GNUNET_BIO_read(rh, fn, buf, fsize))
+ {
+ GNUNET_log_strerror_file(GNUNET_ERROR_TYPE_WARNING, "read", fn);
+ GNUNET_break(GNUNET_OK == GNUNET_BIO_read_close(rh, NULL));
+ GNUNET_free(buf);
+ GNUNET_free(fn);
+ return;
+ }
+ GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+ _("Loading %llu bytes of statistics from `%s'\n"),
+ (unsigned long long)fsize,
+ fn);
+ mst = GNUNET_MST_create(&inject_message, NULL);
+ GNUNET_break(
GNUNET_OK ==
- GNUNET_MST_from_buffer (mst, buf, (size_t) fsize, GNUNET_YES, GNUNET_NO));
- GNUNET_MST_destroy (mst);
- GNUNET_free (buf);
- GNUNET_break (GNUNET_OK == GNUNET_BIO_read_close (rh, NULL));
- GNUNET_free (fn);
+ GNUNET_MST_from_buffer(mst, buf, (size_t)fsize, GNUNET_YES, GNUNET_NO));
+ GNUNET_MST_destroy(mst);
+ GNUNET_free(buf);
+ GNUNET_break(GNUNET_OK == GNUNET_BIO_read_close(rh, NULL));
+ GNUNET_free(fn);
}
* @param service the initialized service
*/
static void
-run (void *cls,
- const struct GNUNET_CONFIGURATION_Handle *c,
- struct GNUNET_SERVICE_Handle *service)
+run(void *cls,
+ const struct GNUNET_CONFIGURATION_Handle *c,
+ struct GNUNET_SERVICE_Handle *service)
{
cfg = c;
- nc = GNUNET_notification_context_create (16);
- load ();
- GNUNET_SCHEDULER_add_shutdown (&shutdown_task, NULL);
+ nc = GNUNET_notification_context_create(16);
+ load();
+ GNUNET_SCHEDULER_add_shutdown(&shutdown_task, NULL);
}
/**
* Define "main" method using service macro.
*/
-GNUNET_SERVICE_MAIN (
+GNUNET_SERVICE_MAIN(
"statistics",
GNUNET_SERVICE_OPTION_SOFT_SHUTDOWN,
&run,
&client_connect_cb,
&client_disconnect_cb,
NULL,
- GNUNET_MQ_hd_var_size (set,
- GNUNET_MESSAGE_TYPE_STATISTICS_SET,
- struct GNUNET_STATISTICS_SetMessage,
- NULL),
- GNUNET_MQ_hd_var_size (get,
- GNUNET_MESSAGE_TYPE_STATISTICS_GET,
- struct GNUNET_MessageHeader,
- NULL),
- GNUNET_MQ_hd_var_size (watch,
- GNUNET_MESSAGE_TYPE_STATISTICS_WATCH,
- struct GNUNET_MessageHeader,
- NULL),
- GNUNET_MQ_hd_fixed_size (disconnect,
- GNUNET_MESSAGE_TYPE_STATISTICS_DISCONNECT,
- struct GNUNET_MessageHeader,
- NULL),
- GNUNET_MQ_handler_end ());
+ GNUNET_MQ_hd_var_size(set,
+ GNUNET_MESSAGE_TYPE_STATISTICS_SET,
+ struct GNUNET_STATISTICS_SetMessage,
+ NULL),
+ GNUNET_MQ_hd_var_size(get,
+ GNUNET_MESSAGE_TYPE_STATISTICS_GET,
+ struct GNUNET_MessageHeader,
+ NULL),
+ GNUNET_MQ_hd_var_size(watch,
+ GNUNET_MESSAGE_TYPE_STATISTICS_WATCH,
+ struct GNUNET_MessageHeader,
+ NULL),
+ GNUNET_MQ_hd_fixed_size(disconnect,
+ GNUNET_MESSAGE_TYPE_STATISTICS_DISCONNECT,
+ struct GNUNET_MessageHeader,
+ NULL),
+ GNUNET_MQ_handler_end());
#if defined(LINUX) && defined(__GLIBC__)
/**
* MINIMIZE heap size (way below 128k) since this process doesn't need much.
*/
-void __attribute__ ((constructor)) GNUNET_STATISTICS_memory_init ()
+void __attribute__ ((constructor)) GNUNET_STATISTICS_memory_init()
{
- mallopt (M_TRIM_THRESHOLD, 4 * 1024);
- mallopt (M_TOP_PAD, 1 * 1024);
- malloc_trim (0);
+ mallopt(M_TRIM_THRESHOLD, 4 * 1024);
+ mallopt(M_TOP_PAD, 1 * 1024);
+ malloc_trim(0);
}
#endif