#include <libmemcached/common.h>
-static memcached_return_t text_incr_decr(memcached_st *ptr,
- const bool is_incr,
- const char *group_key, size_t group_key_length,
- const char *key, size_t key_length,
- uint64_t offset,
- uint64_t& numeric_value)
+static void auto_response(memcached_server_write_instance_st instance, const bool reply, memcached_return_t& rc, uint64_t* value)
{
- char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
- uint32_t server_key;
- memcached_server_write_instance_st instance;
-
- // Invert the logic to make it simpler to read the code
- bool reply= (ptr->flags.no_reply) ? false : true;
+ // If the message was successfully sent, then get the response, otherwise
+ // fail.
+ if (memcached_success(rc))
+ {
+ if (reply == false)
+ {
+ *value= UINT64_MAX;
+ return;
+ }
+
+ rc= memcached_response(instance, &instance->root->result);
+ }
- if (memcached_failed(memcached_key_test(*ptr, (const char **)&key, &key_length, 1)))
+ if (memcached_success(rc))
+ {
+ *value= instance->root->result.numeric_value;
+ }
+ else
{
- return memcached_set_error(*ptr, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT);
+ *value= UINT64_MAX;
}
+}
- server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length);
- instance= memcached_server_instance_fetch(ptr, server_key);
+static memcached_return_t text_incr_decr(memcached_server_write_instance_st instance,
+ const bool is_incr,
+ const char *key, size_t key_length,
+ const uint64_t offset,
+ const bool reply)
+{
+ char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
int send_length= snprintf(buffer, sizeof(buffer), " %" PRIu64, offset);
if (size_t(send_length) >= sizeof(buffer) or send_length < 0)
{
- return memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT,
+ return memcached_set_error(*instance, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT,
memcached_literal_param("snprintf(MEMCACHED_DEFAULT_COMMAND_SIZE)"));
}
- struct libmemcached_io_vector_st vector[]=
+ libmemcached_io_vector_st vector[]=
{
+ { NULL, 0 },
{ memcached_literal_param("incr ") },
- { memcached_array_string(ptr->_namespace), memcached_array_size(ptr->_namespace) },
+ { memcached_array_string(instance->root->_namespace), memcached_array_size(instance->root->_namespace) },
{ key, key_length },
{ buffer, send_length },
{ " noreply", reply ? 0 : memcached_literal_param_size(" noreply") },
if (is_incr == false)
{
- vector[0].buffer= "decr ";
+ vector[1].buffer= "decr ";
}
- memcached_return_t rc= memcached_vdo(instance, vector, 6, true);
- if (reply == false or memcached_failed(rc))
- {
- numeric_value= UINT64_MAX;
- return rc;
- }
-
- rc= memcached_response(instance, buffer, sizeof(buffer), NULL, numeric_value);
-
- return memcached_set_error(*instance, rc, MEMCACHED_AT);
+ return memcached_vdo(instance, vector, 7, true);
}
-static memcached_return_t binary_incr_decr(memcached_st *ptr, uint8_t cmd,
- const char *group_key, size_t group_key_length,
- const char *key, size_t key_length,
- uint64_t offset, uint64_t initial,
- uint32_t expiration,
- uint64_t *value)
+static memcached_return_t binary_incr_decr(memcached_server_write_instance_st instance,
+ protocol_binary_command cmd,
+ const char *key, const size_t key_length,
+ const uint64_t offset,
+ const uint64_t initial,
+ const uint32_t expiration,
+ const bool reply)
{
- bool no_reply= ptr->flags.no_reply;
-
- uint32_t server_key= memcached_generate_hash_with_redistribution(ptr, group_key, group_key_length);
- memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, server_key);
-
- if (no_reply)
+ if (reply == false)
{
if(cmd == PROTOCOL_BINARY_CMD_DECREMENT)
{
request.message.header.request.magic= PROTOCOL_BINARY_REQ;
request.message.header.request.opcode= cmd;
- request.message.header.request.keylen= htons((uint16_t)(key_length + memcached_array_size(ptr->_namespace)));
+ request.message.header.request.keylen= htons((uint16_t)(key_length + memcached_array_size(instance->root->_namespace)));
request.message.header.request.extlen= 20;
request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
- request.message.header.request.bodylen= htonl((uint32_t)(key_length + memcached_array_size(ptr->_namespace) +request.message.header.request.extlen));
+ request.message.header.request.bodylen= htonl((uint32_t)(key_length + memcached_array_size(instance->root->_namespace) +request.message.header.request.extlen));
request.message.body.delta= memcached_htonll(offset);
request.message.body.initial= memcached_htonll(initial);
request.message.body.expiration= htonl((uint32_t) expiration);
- struct libmemcached_io_vector_st vector[]=
+ libmemcached_io_vector_st vector[]=
{
+ { NULL, 0 },
{ request.bytes, sizeof(request.bytes) },
- { memcached_array_string(ptr->_namespace), memcached_array_size(ptr->_namespace) },
+ { memcached_array_string(instance->root->_namespace), memcached_array_size(instance->root->_namespace) },
{ key, key_length }
};
- memcached_return_t rc;
- if (memcached_failed(rc= memcached_vdo(instance, vector, 3, true)))
- {
- memcached_io_reset(instance);
- return (rc == MEMCACHED_SUCCESS) ? MEMCACHED_WRITE_FAILURE : rc;
- }
-
- if (no_reply)
- {
- return MEMCACHED_SUCCESS;
- }
-
- return memcached_response(instance, (char*)value, sizeof(*value), NULL);
-}
-
-memcached_return_t memcached_increment(memcached_st *ptr,
- const char *key, size_t key_length,
- uint32_t offset,
- uint64_t *value)
-{
- return memcached_increment_by_key(ptr, key, key_length, key, key_length, offset, value);
+ return memcached_vdo(instance, vector, 4, true);
}
-memcached_return_t memcached_decrement(memcached_st *ptr,
+memcached_return_t memcached_increment(memcached_st *memc,
const char *key, size_t key_length,
uint32_t offset,
uint64_t *value)
{
- return memcached_decrement_by_key(ptr, key, key_length, key, key_length, offset, value);
+ return memcached_increment_by_key(memc, key, key_length, key, key_length, offset, value);
}
-memcached_return_t memcached_increment_by_key(memcached_st *ptr,
- const char *group_key, size_t group_key_length,
- const char *key, size_t key_length,
- uint64_t offset,
- uint64_t *value)
+static memcached_return_t increment_decrement_by_key(const protocol_binary_command command,
+ memcached_st *memc,
+ const char *group_key, size_t group_key_length,
+ const char *key, size_t key_length,
+ uint64_t offset,
+ uint64_t *value)
{
- memcached_return_t rc;
uint64_t local_value;
if (value == NULL)
{
value= &local_value;
}
- if (memcached_failed(rc= initialize_query(ptr)))
+ memcached_return_t rc;
+ if (memcached_failed(rc= initialize_query(memc, true)))
{
return rc;
}
- if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol)))
+ if (memcached_is_encrypted(memc))
{
- return rc;
+ return memcached_set_error(*memc, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT,
+ memcached_literal_param("Operation not allowed while encyrption is enabled"));
}
- LIBMEMCACHED_MEMCACHED_INCREMENT_START();
- if (ptr->flags.binary_protocol)
+ if (memcached_failed(rc= memcached_key_test(*memc, (const char **)&key, &key_length, 1)))
{
- rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT,
- group_key, group_key_length, key, key_length,
- (uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD,
- value);
+ return memcached_last_error(memc);
+ }
+
+ uint32_t server_key= memcached_generate_hash_with_redistribution(memc, group_key, group_key_length);
+ memcached_server_write_instance_st instance= memcached_server_instance_fetch(memc, server_key);
+
+ bool reply= memcached_is_replying(instance->root);
+
+ if (memcached_is_binary(memc))
+ {
+ rc= binary_incr_decr(instance, command,
+ key, key_length,
+ uint64_t(offset), 0, MEMCACHED_EXPIRATION_NOT_ADD,
+ reply);
}
else
{
- rc= text_incr_decr(ptr, true, group_key, group_key_length, key, key_length, offset, *value);
+ rc= text_incr_decr(instance,
+ command == PROTOCOL_BINARY_CMD_INCREMENT ? true : false,
+ key, key_length,
+ offset, reply);
}
- LIBMEMCACHED_MEMCACHED_INCREMENT_END();
+ auto_response(instance, reply, rc, value);
return rc;
}
-memcached_return_t memcached_decrement_by_key(memcached_st *ptr,
- const char *group_key, size_t group_key_length,
- const char *key, size_t key_length,
- uint64_t offset,
- uint64_t *value)
+static memcached_return_t increment_decrement_with_initial_by_key(const protocol_binary_command command,
+ memcached_st *memc,
+ const char *group_key,
+ size_t group_key_length,
+ const char *key,
+ size_t key_length,
+ uint64_t offset,
+ uint64_t initial,
+ time_t expiration,
+ uint64_t *value)
{
uint64_t local_value;
if (value == NULL)
}
memcached_return_t rc;
- if (memcached_failed(rc= initialize_query(ptr)))
+ if (memcached_failed(rc= initialize_query(memc, true)))
{
return rc;
}
- if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol)))
+ if (memcached_is_encrypted(memc))
{
- return rc;
+ return memcached_set_error(*memc, MEMCACHED_NOT_SUPPORTED, MEMCACHED_AT,
+ memcached_literal_param("Operation not allowed while encyrption is enabled"));
}
+ if (memcached_failed(rc= memcached_key_test(*memc, (const char **)&key, &key_length, 1)))
+ {
+ return memcached_last_error(memc);
+ }
- LIBMEMCACHED_MEMCACHED_DECREMENT_START();
- if (ptr->flags.binary_protocol)
+ uint32_t server_key= memcached_generate_hash_with_redistribution(memc, group_key, group_key_length);
+ memcached_server_write_instance_st instance= memcached_server_instance_fetch(memc, server_key);
+
+ bool reply= memcached_is_replying(instance->root);
+
+ if (memcached_is_binary(memc))
{
- rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT,
- group_key, group_key_length, key, key_length,
- (uint64_t)offset, 0, MEMCACHED_EXPIRATION_NOT_ADD,
- value);
+ rc= binary_incr_decr(instance, command,
+ key, key_length,
+ offset, initial, uint32_t(expiration),
+ reply);
+
}
else
{
- rc= text_incr_decr(ptr, false, group_key, group_key_length, key, key_length, offset, *value);
+ rc= memcached_set_error(*memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT,
+ memcached_literal_param("memcached_increment_with_initial_by_key() is not supported via the ASCII protocol"));
}
+ auto_response(instance, reply, rc, value);
+
+ return rc;
+}
+
+memcached_return_t memcached_decrement(memcached_st *memc,
+ const char *key, size_t key_length,
+ uint32_t offset,
+ uint64_t *value)
+{
+ return memcached_decrement_by_key(memc, key, key_length, key, key_length, offset, value);
+}
+
+
+memcached_return_t memcached_increment_by_key(memcached_st *memc,
+ const char *group_key, size_t group_key_length,
+ const char *key, size_t key_length,
+ uint64_t offset,
+ uint64_t *value)
+{
+ LIBMEMCACHED_MEMCACHED_INCREMENT_START();
+ memcached_return_t rc= increment_decrement_by_key(PROTOCOL_BINARY_CMD_INCREMENT,
+ memc,
+ group_key, group_key_length,
+ key, key_length,
+ offset, value);
+
+ LIBMEMCACHED_MEMCACHED_INCREMENT_END();
+
+ return rc;
+}
+
+memcached_return_t memcached_decrement_by_key(memcached_st *memc,
+ const char *group_key, size_t group_key_length,
+ const char *key, size_t key_length,
+ uint64_t offset,
+ uint64_t *value)
+{
+ LIBMEMCACHED_MEMCACHED_DECREMENT_START();
+ memcached_return_t rc= increment_decrement_by_key(PROTOCOL_BINARY_CMD_DECREMENT,
+ memc,
+ group_key, group_key_length,
+ key, key_length,
+ offset, value);
LIBMEMCACHED_MEMCACHED_DECREMENT_END();
return rc;
}
-memcached_return_t memcached_increment_with_initial(memcached_st *ptr,
+memcached_return_t memcached_increment_with_initial(memcached_st *memc,
const char *key,
size_t key_length,
uint64_t offset,
time_t expiration,
uint64_t *value)
{
- return memcached_increment_with_initial_by_key(ptr, key, key_length,
+ return memcached_increment_with_initial_by_key(memc, key, key_length,
key, key_length,
offset, initial, expiration, value);
}
-memcached_return_t memcached_increment_with_initial_by_key(memcached_st *ptr,
- const char *group_key,
- size_t group_key_length,
- const char *key,
- size_t key_length,
- uint64_t offset,
- uint64_t initial,
- time_t expiration,
- uint64_t *value)
+memcached_return_t memcached_increment_with_initial_by_key(memcached_st *memc,
+ const char *group_key,
+ size_t group_key_length,
+ const char *key,
+ size_t key_length,
+ uint64_t offset,
+ uint64_t initial,
+ time_t expiration,
+ uint64_t *value)
{
- uint64_t local_value;
- if (value == NULL)
- {
- value= &local_value;
- }
-
- memcached_return_t rc;
- if (memcached_failed(rc= initialize_query(ptr)))
- {
- return rc;
- }
-
- if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol)))
- {
- return rc;
- }
-
LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_START();
- if (ptr->flags.binary_protocol)
- {
- rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_INCREMENT,
- group_key, group_key_length, key, key_length,
- offset, initial, (uint32_t)expiration,
- value);
- }
- else
- {
- rc= MEMCACHED_PROTOCOL_ERROR;
- }
-
+ memcached_return_t rc= increment_decrement_with_initial_by_key(PROTOCOL_BINARY_CMD_INCREMENT,
+ memc,
+ group_key, group_key_length,
+ key, key_length,
+ offset, initial, expiration, value);
LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END();
return rc;
}
-memcached_return_t memcached_decrement_with_initial(memcached_st *ptr,
+memcached_return_t memcached_decrement_with_initial(memcached_st *memc,
const char *key,
size_t key_length,
uint64_t offset,
time_t expiration,
uint64_t *value)
{
- return memcached_decrement_with_initial_by_key(ptr, key, key_length,
+ return memcached_decrement_with_initial_by_key(memc, key, key_length,
key, key_length,
offset, initial, expiration, value);
}
-memcached_return_t memcached_decrement_with_initial_by_key(memcached_st *ptr,
+memcached_return_t memcached_decrement_with_initial_by_key(memcached_st *memc,
const char *group_key,
size_t group_key_length,
const char *key,
time_t expiration,
uint64_t *value)
{
- uint64_t local_value;
- if (value == NULL)
- {
- value= &local_value;
- }
-
- memcached_return_t rc;
- if (memcached_failed(rc= initialize_query(ptr)))
- {
- return rc;
- }
-
- if (memcached_failed(rc= memcached_validate_key_length(key_length, ptr->flags.binary_protocol)))
- {
- return rc;
- }
-
LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_START();
- if (ptr->flags.binary_protocol)
- {
- rc= binary_incr_decr(ptr, PROTOCOL_BINARY_CMD_DECREMENT,
- group_key, group_key_length, key, key_length,
- offset, initial, (uint32_t)expiration,
- value);
- }
- else
- {
- rc= MEMCACHED_PROTOCOL_ERROR;
- }
+ memcached_return_t rc= increment_decrement_with_initial_by_key(PROTOCOL_BINARY_CMD_DECREMENT,
+ memc,
+ group_key, group_key_length,
+ key, key_length,
+ offset, initial, expiration, value);
LIBMEMCACHED_MEMCACHED_INCREMENT_WITH_INITIAL_END();
return rc;
}
-
projects / m6w6 / libmemcached / blobdiff