#include <libmemcached/common.h>
static memcached_return_t memcached_flush_binary(memcached_st *ptr,
- time_t expiration);
-static memcached_return_t memcached_flush_textual(memcached_st *ptr,
- time_t expiration);
-
-memcached_return_t memcached_flush(memcached_st *ptr, time_t expiration)
+ time_t expiration,
+ const bool reply)
{
- memcached_return_t rc;
- if (memcached_failed(rc= initialize_query(ptr)))
- {
- return rc;
- }
+ protocol_binary_request_flush request= {};
- LIBMEMCACHED_MEMCACHED_FLUSH_START();
- if (ptr->flags.binary_protocol)
- rc= memcached_flush_binary(ptr, expiration);
- else
- rc= memcached_flush_textual(ptr, expiration);
- LIBMEMCACHED_MEMCACHED_FLUSH_END();
- return rc;
-}
+ request.message.header.request.magic= (uint8_t)PROTOCOL_BINARY_REQ;
+ request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH;
+ request.message.header.request.extlen= 4;
+ request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
+ request.message.header.request.bodylen= htonl(request.message.header.request.extlen);
+ request.message.body.expiration= htonl((uint32_t) expiration);
-static memcached_return_t memcached_flush_textual(memcached_st *ptr,
- time_t expiration)
-{
- unlikely (memcached_server_count(ptr) == 0)
- return MEMCACHED_NO_SERVERS;
+ memcached_return_t rc= MEMCACHED_SUCCESS;
- for (unsigned int x= 0; x < memcached_server_count(ptr); x++)
+ for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
{
- memcached_return_t rc;
- char buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
-
- bool no_reply= ptr->flags.no_reply;
- memcached_server_write_instance_st instance=
- memcached_server_instance_fetch(ptr, x);
+ memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x);
- int send_length;
- if (expiration)
+ if (reply)
{
- send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
- "flush_all %llu%s\r\n",
- (unsigned long long)expiration, no_reply ? " noreply" : "");
+ request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH;
}
else
{
- send_length= snprintf(buffer, MEMCACHED_DEFAULT_COMMAND_SIZE,
- "flush_all%s\r\n", no_reply ? " noreply" : "");
+ request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSHQ;
}
- if (send_length >= MEMCACHED_DEFAULT_COMMAND_SIZE || send_length < 0)
+ libmemcached_io_vector_st vector[]=
{
- return MEMCACHED_FAILURE;
- }
+ { NULL, 0 },
+ { request.bytes, sizeof(request.bytes) }
+ };
- rc= memcached_do(instance, buffer, (size_t)send_length, true);
+ memcached_return_t rrc;
+ if (memcached_failed(rrc= memcached_vdo(instance, vector, 2, true)))
+ {
+ if (instance->error_messages == NULL or instance->root->error_messages == NULL)
+ {
+ memcached_set_error(*instance, rrc, MEMCACHED_AT);
+ }
+ memcached_io_reset(instance);
+ rc= MEMCACHED_SOME_ERRORS;
+ }
+ }
- if (rc == MEMCACHED_SUCCESS && !no_reply)
- (void)memcached_response(instance, buffer, MEMCACHED_DEFAULT_COMMAND_SIZE, NULL);
+ for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
+ {
+ memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x);
+
+ if (memcached_server_response_count(instance) > 0)
+ {
+ (void)memcached_response(instance, NULL, 0, NULL);
+ }
}
- return MEMCACHED_SUCCESS;
+ return rc;
}
-static memcached_return_t memcached_flush_binary(memcached_st *ptr,
- time_t expiration)
+static memcached_return_t memcached_flush_textual(memcached_st *ptr,
+ time_t expiration,
+ const bool reply)
{
- protocol_binary_request_flush request= {};
-
- unlikely (memcached_server_count(ptr) == 0)
- return MEMCACHED_NO_SERVERS;
+ char buffer[MEMCACHED_MAXIMUM_INTEGER_DISPLAY_LENGTH +1];
+ int send_length= 0;
+ if (expiration)
+ {
+ send_length= snprintf(buffer, sizeof(buffer), "%llu", (unsigned long long)expiration);
+ }
- request.message.header.request.magic= (uint8_t)PROTOCOL_BINARY_REQ;
- request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH;
- request.message.header.request.extlen= 4;
- request.message.header.request.datatype= PROTOCOL_BINARY_RAW_BYTES;
- request.message.header.request.bodylen= htonl(request.message.header.request.extlen);
- request.message.body.expiration= htonl((uint32_t) expiration);
+ if (size_t(send_length) >= sizeof(buffer) or send_length < 0)
+ {
+ return memcached_set_error(*ptr, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT,
+ memcached_literal_param("snprintf(MEMCACHED_DEFAULT_COMMAND_SIZE)"));
+ }
+ memcached_return_t rc= MEMCACHED_SUCCESS;
for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
{
- memcached_server_write_instance_st instance=
- memcached_server_instance_fetch(ptr, x);
+ memcached_server_write_instance_st instance= memcached_server_instance_fetch(ptr, x);
- if (ptr->flags.no_reply)
+ libmemcached_io_vector_st vector[]=
{
- request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSHQ;
- }
- else
+ { NULL, 0 },
+ { memcached_literal_param("flush_all ") },
+ { buffer, size_t(send_length) },
+ { " noreply", reply ? 0 : memcached_literal_param_size(" noreply") },
+ { memcached_literal_param("\r\n") }
+ };
+
+ memcached_return_t rrc= memcached_vdo(instance, vector, 5, true);
+ if (memcached_success(rrc) and reply == true)
{
- request.message.header.request.opcode= PROTOCOL_BINARY_CMD_FLUSH;
+ char response_buffer[MEMCACHED_DEFAULT_COMMAND_SIZE];
+ rrc= memcached_response(instance, response_buffer, sizeof(response_buffer), NULL);
}
- if (memcached_do(instance, request.bytes, sizeof(request.bytes), true) != MEMCACHED_SUCCESS)
+ if (memcached_failed(rrc))
{
- memcached_io_reset(instance);
- return MEMCACHED_WRITE_FAILURE;
- }
+ // If an error has already been reported, then don't add to it
+ if (instance->error_messages == NULL or instance->root->error_messages == NULL)
+ {
+ memcached_set_error(*instance, rrc, MEMCACHED_AT);
+ }
+ rc= MEMCACHED_SOME_ERRORS;
+ }
}
- for (uint32_t x= 0; x < memcached_server_count(ptr); x++)
+ return rc;
+}
+
+memcached_return_t memcached_flush(memcached_st *ptr, time_t expiration)
+{
+ memcached_return_t rc;
+ if (memcached_failed(rc= initialize_query(ptr, true)))
{
- memcached_server_write_instance_st instance=
- memcached_server_instance_fetch(ptr, x);
+ return rc;
+ }
- if (memcached_server_response_count(instance) > 0)
- (void)memcached_response(instance, NULL, 0, NULL);
+ bool reply= memcached_is_replying(ptr);
+
+ LIBMEMCACHED_MEMCACHED_FLUSH_START();
+ if (memcached_is_binary(ptr))
+ {
+ rc= memcached_flush_binary(ptr, expiration, reply);
}
+ else
+ {
+ rc= memcached_flush_textual(ptr, expiration, reply);
+ }
+ LIBMEMCACHED_MEMCACHED_FLUSH_END();
- return MEMCACHED_SUCCESS;
+ return rc;
}
projects / m6w6 / libmemcached / blobdiff