*
* Libmemcached library
*
- * Copyright (C) 2011 Data Differential, http://datadifferential.com/
+ * Copyright (C) 2011-2013 Data Differential, http://datadifferential.com/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
};
-static memcached_return_t set_data(memcached_stat_st *memc_stat, char *key, char *value)
+static memcached_return_t set_data(memcached_stat_st *memc_stat, const char *key, const char *value)
{
if (strlen(key) < 1)
}
else if (strcmp("pid", key) == 0)
{
+ errno= 0;
int64_t temp= strtoll(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
if (temp <= INT32_MAX and ( sizeof(pid_t) == sizeof(int32_t) ))
{
- memc_stat->pid= temp;
+ memc_stat->pid= pid_t(temp);
}
else if (temp > -1)
{
- memc_stat->pid= temp;
+ memc_stat->pid= pid_t(temp);
}
else
{
}
else if (not strcmp("uptime", key))
{
+ errno= 0;
memc_stat->uptime= strtoul(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("time", key))
{
+ errno= 0;
memc_stat->time= strtoul(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("version", key))
{
}
else if (not strcmp("pointer_size", key))
{
+ errno= 0;
memc_stat->pointer_size= strtoul(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("rusage_user", key))
{
char *walk_ptr;
- for (walk_ptr= value; (!ispunct(*walk_ptr)); walk_ptr++) {};
+ for (walk_ptr= (char*)value; (!ispunct(*walk_ptr)); walk_ptr++) {};
*walk_ptr= 0;
walk_ptr++;
+
+ errno= 0;
memc_stat->rusage_user_seconds= strtoul(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
+
+ errno= 0;
memc_stat->rusage_user_microseconds= strtoul(walk_ptr, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("rusage_system", key))
{
char *walk_ptr;
- for (walk_ptr= value; (!ispunct(*walk_ptr)); walk_ptr++) {};
+ for (walk_ptr= (char*)value; (!ispunct(*walk_ptr)); walk_ptr++) {};
*walk_ptr= 0;
walk_ptr++;
+
+ errno= 0;
memc_stat->rusage_system_seconds= strtoul(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
+
+ errno= 0;
memc_stat->rusage_system_microseconds= strtoul(walk_ptr, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("curr_items", key))
{
+ errno= 0;
memc_stat->curr_items= strtoul(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("total_items", key))
{
+ errno= 0;
memc_stat->total_items= strtoul(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("bytes_read", key))
{
+ errno= 0;
memc_stat->bytes_read= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("bytes_written", key))
{
+ errno= 0;
memc_stat->bytes_written= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("bytes", key))
{
+ errno= 0;
memc_stat->bytes= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("curr_connections", key))
{
+ errno= 0;
memc_stat->curr_connections= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("total_connections", key))
{
+ errno= 0;
memc_stat->total_connections= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("connection_structures", key))
{
+ errno= 0;
memc_stat->connection_structures= strtoul(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("cmd_get", key))
{
+ errno= 0;
memc_stat->cmd_get= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("cmd_set", key))
{
+ errno= 0;
memc_stat->cmd_set= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("get_hits", key))
{
+ errno= 0;
memc_stat->get_hits= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("get_misses", key))
{
+ errno= 0;
memc_stat->get_misses= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("evictions", key))
{
+ errno= 0;
memc_stat->evictions= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("limit_maxbytes", key))
{
+ errno= 0;
memc_stat->limit_maxbytes= strtoull(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
else if (not strcmp("threads", key))
{
+ errno= 0;
memc_stat->threads= strtoul(value, (char **)NULL, 10);
+ if (errno != 0)
+ {
+ return MEMCACHED_FAILURE;
+ }
}
- else if (not (strcmp("delete_misses", key) == 0 or /* New stats in the 1.3 beta */
- strcmp("delete_hits", key) == 0 or /* Just swallow them for now.. */
- strcmp("incr_misses", key) == 0 or
- strcmp("incr_hits", key) == 0 or
- strcmp("decr_misses", key) == 0 or
- strcmp("decr_hits", key) == 0 or
- strcmp("cas_misses", key) == 0 or
- strcmp("cas_hits", key) == 0 or
- strcmp("cas_badval", key) == 0 or
- strcmp("cmd_flush", key) == 0 or
- strcmp("accepting_conns", key) == 0 or
- strcmp("listen_disabled_num", key) == 0 or
- strcmp("conn_yields", key) == 0 or
- strcmp("auth_cmds", key) == 0 or
- strcmp("auth_errors", key) == 0 or
- strcmp("reclaimed", key) == 0))
+ else if ((strcmp("delete_misses", key) == 0 or /* New stats in the 1.3 beta */
+ strcmp("delete_hits", key) == 0 or /* Just swallow them for now.. */
+ strcmp("incr_misses", key) == 0 or
+ strcmp("incr_hits", key) == 0 or
+ strcmp("decr_misses", key) == 0 or
+ strcmp("decr_hits", key) == 0 or
+ strcmp("cas_misses", key) == 0 or
+ strcmp("cas_hits", key) == 0 or
+ strcmp("cas_badval", key) == 0 or
+ strcmp("cmd_flush", key) == 0 or
+ strcmp("accepting_conns", key) == 0 or
+ strcmp("listen_disabled_num", key) == 0 or
+ strcmp("conn_yields", key) == 0 or
+ strcmp("auth_cmds", key) == 0 or
+ strcmp("auth_errors", key) == 0 or
+ strcmp("reclaimed", key) == 0) == 0)
{
WATCHPOINT_STRING(key);
/* return MEMCACHED_UNKNOWN_STAT_KEY; */
return MEMCACHED_SUCCESS;
}
-char *memcached_stat_get_value(const memcached_st *ptr, memcached_stat_st *memc_stat,
+char *memcached_stat_get_value(const memcached_st* shell, memcached_stat_st *memc_stat,
const char *key, memcached_return_t *error)
{
+ memcached_return_t not_used;
+ if (error == NULL)
+ {
+ error= ¬_used;
+ }
+
+ if (memc_stat == NULL)
+ {
+ *error= MEMCACHED_INVALID_ARGUMENTS;
+ return NULL;
+ }
+
char buffer[SMALL_STRING_LEN];
int length;
- char *ret;
*error= MEMCACHED_SUCCESS;
}
else
{
- *error= MEMCACHED_NOTFOUND;
+ Memcached* memc= (Memcached*)memcached2Memcached(shell);
+ *error= memcached_set_error(*memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Invalid key provided"));
return NULL;
}
if (length >= SMALL_STRING_LEN || length < 0)
{
- *error= MEMCACHED_FAILURE;
+ Memcached* memc= (Memcached*)memcached2Memcached(shell);
+ *error= memcached_set_error(*memc, MEMCACHED_FAILURE, MEMCACHED_AT, memcached_literal_param("Internal failure occured with buffer, please report this bug."));
return NULL;
}
- ret= static_cast<char *>(libmemcached_malloc(ptr, (size_t) (length + 1)));
+ // User is responsible for free() memory, so use malloc()
+ char *ret= static_cast<char *>(malloc(size_t(length +1)));
memcpy(ret, buffer, (size_t) length);
ret[length]= '\0';
static memcached_return_t binary_stats_fetch(memcached_stat_st *memc_stat,
const char *args,
const size_t args_length,
- memcached_server_write_instance_st instance,
+ memcached_instance_st* instance,
struct local_context *check)
{
char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
protocol_binary_request_stats request= {}; // = {.bytes= {0}};
- request.message.header.request.magic= PROTOCOL_BINARY_REQ;
+
+ initialize_binary_request(instance, request.message.header);
+
request.message.header.request.opcode= PROTOCOL_BINARY_CMD_STAT;
request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
request.message.header.request.keylen= htons(uint16_t(args_length));
request.message.header.request.bodylen= htonl(uint32_t( args_length));
- struct libmemcached_io_vector_st vector[]=
+ libmemcached_io_vector_st vector[]=
{
{ request.bytes, sizeof(request.bytes) },
{ args, args_length }
}
else
{
- struct libmemcached_io_vector_st vector[]=
+ libmemcached_io_vector_st vector[]=
{
{ request.bytes, sizeof(request.bytes) }
};
}
memcached_server_response_decrement(instance);
- do
+ while (1)
{
memcached_return_t rc= memcached_response(instance, buffer, sizeof(buffer), NULL);
return rc;
}
- if (memc_stat)
- {
- if ((set_data(memc_stat, buffer, buffer + strlen(buffer) + 1)) == MEMCACHED_UNKNOWN_STAT_KEY)
- {
- WATCHPOINT_ERROR(MEMCACHED_UNKNOWN_STAT_KEY);
- WATCHPOINT_ASSERT(0);
- }
- }
-
if (check && check->func)
{
size_t key_length= strlen(buffer);
buffer+key_length+1, strlen(buffer+key_length+1),
check->context);
}
- } while (1);
+
+ if (memc_stat)
+ {
+ if ((set_data(memc_stat, buffer, buffer + strlen(buffer) + 1)) == MEMCACHED_UNKNOWN_STAT_KEY)
+ {
+ WATCHPOINT_ERROR(MEMCACHED_UNKNOWN_STAT_KEY);
+ WATCHPOINT_ASSERT(0);
+ }
+ }
+ }
/*
* memcached_response will decrement the counter, so I need to reset it..
* todo: look at this and try to find a better solution.
* */
- instance->cursor_active= 0;
+ instance->cursor_active_= 0;
return MEMCACHED_SUCCESS;
}
static memcached_return_t ascii_stats_fetch(memcached_stat_st *memc_stat,
const char *args,
const size_t args_length,
- memcached_server_write_instance_st instance,
+ memcached_instance_st* instance,
struct local_context *check)
{
- struct libmemcached_io_vector_st vector[]=
+ libmemcached_io_vector_st vector[]=
{
{ memcached_literal_param("stats ") },
{ args, args_length },
if (memcached_success(rc))
{
char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
- while ((rc= memcached_response(instance, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL)) == MEMCACHED_STAT)
+ while ((rc= memcached_response(instance, buffer, sizeof(buffer), NULL)) == MEMCACHED_STAT)
{
- char *string_ptr, *end_ptr;
- char *key, *value;
-
- string_ptr= buffer;
+ char *string_ptr= buffer;
string_ptr+= 5; /* Move past STAT */
+
+ char *end_ptr;
for (end_ptr= string_ptr; isgraph(*end_ptr); end_ptr++) {};
- key= string_ptr;
- key[(size_t)(end_ptr-string_ptr)]= 0;
+ char *key= string_ptr;
+ key[size_t(end_ptr-string_ptr)]= 0;
string_ptr= end_ptr + 1;
for (end_ptr= string_ptr; !(isspace(*end_ptr)); end_ptr++) {};
- value= string_ptr;
+ char *value= string_ptr;
value[(size_t)(end_ptr -string_ptr)]= 0;
- if (memc_stat)
- {
- unlikely((set_data(memc_stat, key, value)) == MEMCACHED_UNKNOWN_STAT_KEY)
- {
- WATCHPOINT_ERROR(MEMCACHED_UNKNOWN_STAT_KEY);
- WATCHPOINT_ASSERT(0);
- }
- }
+#if 0
+ bool check_bool= bool(check);
+ bool check_func_bool= bool(check) ? bool(check->func) : false;
+ fprintf(stderr, "%s:%d %s %s %d:%d\n", __FILE__, __LINE__, key, value, check_bool, check_func_bool);
+#endif
- if (check && check->func)
+ if (check and check->func)
{
check->func(instance,
key, strlen(key),
value, strlen(value),
check->context);
}
+
+ if (memc_stat)
+ {
+ if((set_data(memc_stat, key, value)) == MEMCACHED_UNKNOWN_STAT_KEY)
+ {
+ WATCHPOINT_ERROR(MEMCACHED_UNKNOWN_STAT_KEY);
+ WATCHPOINT_ASSERT(0);
+ }
+ }
}
}
+ if (rc == MEMCACHED_ERROR)
+ {
+ return MEMCACHED_INVALID_ARGUMENTS;
+ }
+
if (rc == MEMCACHED_END)
{
return MEMCACHED_SUCCESS;
return rc;
}
-memcached_stat_st *memcached_stat(memcached_st *self, char *args, memcached_return_t *error)
+memcached_stat_st *memcached_stat(memcached_st *shell, char *args, memcached_return_t *error)
{
+ Memcached* self= memcached2Memcached(shell);
memcached_return_t unused;
if (error == NULL)
{
if (args)
{
args_length= strlen(args);
- rc= memcached_validate_key_length(args_length, self->flags.binary_protocol);
- if (memcached_failed(rc))
+ if (memcached_failed(rc= memcached_key_test(*self, (const char **)&args, &args_length, 1)))
{
*error= memcached_set_error(*self, rc, MEMCACHED_AT);
return NULL;
stat_instance->pid= -1;
stat_instance->root= self;
- memcached_server_write_instance_st instance= memcached_server_instance_fetch(self, x);
+ memcached_instance_st* instance= memcached_instance_fetch(self, x);
memcached_return_t temp_return;
- if (self->flags.binary_protocol)
+ if (memcached_is_binary(self))
{
temp_return= binary_stats_fetch(stat_instance, args, args_length, instance, NULL);
}
temp_return= ascii_stats_fetch(stat_instance, args, args_length, instance, NULL);
}
+ // Special case where "args" is invalid
+ if (temp_return == MEMCACHED_INVALID_ARGUMENTS)
+ {
+ rc= MEMCACHED_INVALID_ARGUMENTS;
+ break;
+ }
+
if (memcached_failed(temp_return))
{
rc= MEMCACHED_SOME_ERRORS;
{
memcached_st memc;
+ memcached_stat_st unused_memc_stat;
+ if (memc_stat == NULL)
+ {
+ memc_stat= &unused_memc_stat;
+ }
+
memset(memc_stat, 0, sizeof(memcached_stat_st));
memcached_st *memc_ptr= memcached_create(&memc);
if (args)
{
args_length= strlen(args);
- rc= memcached_validate_key_length(args_length, memc.flags.binary_protocol);
+ rc= memcached_key_test(*memc_ptr, (const char **)&args, &args_length, 1);
}
if (memcached_success(rc))
{
- memcached_server_write_instance_st instance= memcached_server_instance_fetch(memc_ptr, 0);
+ memcached_instance_st* instance= memcached_instance_fetch(memc_ptr, 0);
if (memc.flags.binary_protocol)
{
rc= binary_stats_fetch(memc_stat, args, args_length, instance, NULL);
We make a copy of the keys since at some point in the not so distant future
we will add support for "found" keys.
*/
-char ** memcached_stat_get_keys(memcached_st *ptr,
+char ** memcached_stat_get_keys(memcached_st *shell,
memcached_stat_st *,
memcached_return_t *error)
{
- if (not ptr)
- return NULL;
-
- char **list= static_cast<char **>(libmemcached_malloc(ptr, sizeof(memcached_stat_keys)));
- if (not list)
+ Memcached* memc= memcached2Memcached(shell);
+ if (memc)
{
- *error= memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
- return NULL;
- }
+ char **list= static_cast<char **>(libmemcached_malloc(memc, sizeof(memcached_stat_keys)));
+ if (list == NULL)
+ {
+ if (error)
+ {
+ *error= memcached_set_error(*memc, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
+ }
+
+ return NULL;
+ }
- memcpy(list, memcached_stat_keys, sizeof(memcached_stat_keys));
+ memcpy(list, memcached_stat_keys, sizeof(memcached_stat_keys));
- *error= MEMCACHED_SUCCESS;
+ if (error)
+ {
+ *error= MEMCACHED_SUCCESS;
+ }
- return list;
+ return list;
+ }
+
+ return NULL;
}
void memcached_stat_free(const memcached_st *, memcached_stat_st *memc_stat)
{
WATCHPOINT_ASSERT(memc_stat); // Be polite, but when debugging catch this as an error
- if (memc_stat == NULL)
- {
- return;
- }
-
- if (memc_stat->root)
+ if (memc_stat)
{
libmemcached_free(memc_stat->root, memc_stat);
- return;
}
-
- libmemcached_free(NULL, memc_stat);
}
-static memcached_return_t call_stat_fn(memcached_st *ptr,
- memcached_server_write_instance_st instance,
+static memcached_return_t call_stat_fn(memcached_st *memc,
+ memcached_instance_st* instance,
void *context)
{
- memcached_return_t rc;
- struct local_context *check= (struct local_context *)context;
-
- if (ptr->flags.binary_protocol)
+ if (memc)
{
- rc= binary_stats_fetch(NULL, check->args, check->args_length, instance, check);
- }
- else
- {
- rc= ascii_stats_fetch(NULL, check->args, check->args_length, instance, check);
+ local_context *check= (struct local_context *)context;
+
+ if (memcached_is_binary(memc))
+ {
+ return binary_stats_fetch(NULL, check->args, check->args_length, instance, check);
+ }
+ else
+ {
+ return ascii_stats_fetch(NULL, check->args, check->args_length, instance, check);
+ }
}
- return rc;
+ return MEMCACHED_INVALID_ARGUMENTS;
}
-memcached_return_t memcached_stat_execute(memcached_st *memc, const char *args, memcached_stat_fn func, void *context)
+memcached_return_t memcached_stat_execute(memcached_st *shell, const char *args, memcached_stat_fn func, void *context)
{
- memcached_version(memc);
+ Memcached* memc= memcached2Memcached(shell);
+ if (memcached_fatal(memcached_version(memc)))
+ {
+ return memcached_last_error(memc);
+ }
- struct local_context check(func, context, args, args ? strlen(args) : 0);
+ local_context check(func, context, args, args ? strlen(args) : 0);
return memcached_server_execute(memc, call_stat_fn, (void *)&check);
}