-/*
- Memcached library
-
- memcached_response() is used to determine the return result
- from an issued command.
+/* LibMemcached
+ * Copyright (C) 2006-2009 Brian Aker
+ * All rights reserved.
+ *
+ * Use and distribution licensed under the BSD license. See
+ * the COPYING file in the parent directory for full text.
+ *
+ * Summary: memcached_response() is used to determine the return result from an issued command.
+ *
*/
#include "common.h"
-static memcached_return_t textual_read_one_response(memcached_server_st *ptr,
- char *buffer, size_t buffer_length,
- memcached_result_st *result);
-static memcached_return_t binary_read_one_response(memcached_server_st *ptr,
- char *buffer, size_t buffer_length,
- memcached_result_st *result);
+static memcached_return_t textual_read_one_response(memcached_server_instance_st *ptr,
+ char *buffer, size_t buffer_length,
+ memcached_result_st *result);
+static memcached_return_t binary_read_one_response(memcached_server_instance_st *ptr,
+ char *buffer, size_t buffer_length,
+ memcached_result_st *result);
-memcached_return_t memcached_read_one_response(memcached_server_st *ptr,
- char *buffer, size_t buffer_length,
- memcached_result_st *result)
+memcached_return_t memcached_read_one_response(memcached_server_instance_st *ptr,
+ char *buffer, size_t buffer_length,
+ memcached_result_st *result)
{
memcached_server_response_decrement(ptr);
rc == MEMCACHED_PROTOCOL_ERROR ||
rc == MEMCACHED_CLIENT_ERROR ||
rc == MEMCACHED_MEMORY_ALLOCATION_FAILURE)
- memcached_io_reset(ptr);
+ memcached_io_reset(ptr);
return rc;
}
-memcached_return_t memcached_response(memcached_server_st *ptr,
- char *buffer, size_t buffer_length,
- memcached_result_st *result)
+memcached_return_t memcached_response(memcached_server_instance_st *ptr,
+ char *buffer, size_t buffer_length,
+ memcached_result_st *result)
{
/* We may have old commands in the buffer not set, first purge */
if (ptr->root->flags.no_block)
* The previous implementation purged all pending requests and just
* returned the last one. Purge all pending messages to ensure backwards
* compatibility.
- */
+ */
if (ptr->root->flags.binary_protocol == false)
while (memcached_server_response_count(ptr) > 1)
{
memcached_return_t rc= memcached_read_one_response(ptr, buffer, buffer_length, result);
-
+
unlikely (rc != MEMCACHED_END &&
rc != MEMCACHED_STORED &&
rc != MEMCACHED_SUCCESS &&
rc != MEMCACHED_NOTFOUND &&
rc != MEMCACHED_NOTSTORED &&
rc != MEMCACHED_DATA_EXISTS)
- return rc;
+ return rc;
}
return memcached_read_one_response(ptr, buffer, buffer_length, result);
}
-static memcached_return_t textual_value_fetch(memcached_server_st *ptr,
- char *buffer,
- memcached_result_st *result)
+static memcached_return_t textual_value_fetch(memcached_server_instance_st *ptr,
+ char *buffer,
+ memcached_result_st *result)
{
memcached_return_t rc= MEMCACHED_SUCCESS;
char *string_ptr;
goto read_error;
}
-/* This next bit blows the API, but this is internal....*/
+ /* This next bit blows the API, but this is internal....*/
{
char *char_ptr;
char_ptr= memcached_string_value(&result->value);;
return MEMCACHED_PARTIAL_READ;
}
-static memcached_return_t textual_read_one_response(memcached_server_st *ptr,
- char *buffer, size_t buffer_length,
- memcached_result_st *result)
+static memcached_return_t textual_read_one_response(memcached_server_instance_st *ptr,
+ char *buffer, size_t buffer_length,
+ memcached_result_st *result)
{
memcached_return_t rc= memcached_io_readline(ptr, buffer, buffer_length);
if (rc != MEMCACHED_SUCCESS)
return MEMCACHED_STAT;
}
else if (buffer[1] == 'E') /* SERVER_ERROR */
- {
- char *rel_ptr;
- char *startptr= buffer + 13, *endptr= startptr;
-
- while (*endptr != '\r' && *endptr != '\n') endptr++;
-
- /*
- Yes, we could make this "efficent" but to do that we would need
- to maintain more state for the size of the buffer. Why waste
- memory in the struct, which is important, for something that
- rarely should happen?
- */
- rel_ptr= (char *)ptr->root->call_realloc(ptr->root,
- ptr->cached_server_error,
- (size_t) (endptr - startptr + 1));
-
- if (rel_ptr == NULL)
- {
- /* If we happened to have some memory, we just null it since we don't know the size */
- if (ptr->cached_server_error)
- ptr->cached_server_error[0]= 0;
- return MEMCACHED_SERVER_ERROR;
- }
- ptr->cached_server_error= rel_ptr;
-
- memcpy(ptr->cached_server_error, startptr, (size_t) (endptr - startptr));
- ptr->cached_server_error[endptr - startptr]= 0;
- return MEMCACHED_SERVER_ERROR;
- }
+ {
+ char *rel_ptr;
+ char *startptr= buffer + 13, *endptr= startptr;
+
+ while (*endptr != '\r' && *endptr != '\n') endptr++;
+
+ /*
+ Yes, we could make this "efficent" but to do that we would need
+ to maintain more state for the size of the buffer. Why waste
+ memory in the struct, which is important, for something that
+ rarely should happen?
+ */
+ rel_ptr= (char *)ptr->root->call_realloc(ptr->root,
+ ptr->cached_server_error,
+ (size_t) (endptr - startptr + 1));
+
+ if (rel_ptr == NULL)
+ {
+ /* If we happened to have some memory, we just null it since we don't know the size */
+ if (ptr->cached_server_error)
+ ptr->cached_server_error[0]= 0;
+ return MEMCACHED_SERVER_ERROR;
+ }
+ ptr->cached_server_error= rel_ptr;
+
+ memcpy(ptr->cached_server_error, startptr, (size_t) (endptr - startptr));
+ ptr->cached_server_error[endptr - startptr]= 0;
+ return MEMCACHED_SERVER_ERROR;
+ }
else if (buffer[1] == 'T')
return MEMCACHED_STORED;
else
return MEMCACHED_UNKNOWN_READ_FAILURE;
}
case 'I': /* CLIENT ERROR */
- /* We add back in one because we will need to search for END */
- memcached_server_response_increment(ptr);
+ /* We add back in one because we will need to search for END */
+ memcached_server_response_increment(ptr);
return MEMCACHED_ITEM;
case 'C': /* CLIENT ERROR */
return MEMCACHED_CLIENT_ERROR;
/* NOTREACHED */
}
-static memcached_return_t binary_read_one_response(memcached_server_st *ptr,
- char *buffer, size_t buffer_length,
- memcached_result_st *result)
+static memcached_return_t binary_read_one_response(memcached_server_instance_st *ptr,
+ char *buffer, size_t buffer_length,
+ memcached_result_st *result)
{
protocol_binary_response_header header;
-
+
unlikely (memcached_safe_read(ptr, &header.bytes,
sizeof(header.bytes)) != MEMCACHED_SUCCESS)
return MEMCACHED_UNKNOWN_READ_FAILURE;
return MEMCACHED_PROTOCOL_ERROR;
/*
- ** Convert the header to host local endian!
- */
+ ** Convert the header to host local endian!
+ */
header.response.keylen= ntohs(header.response.keylen);
header.response.status= ntohs(header.response.status);
header.response.bodylen= ntohl(header.response.bodylen);
}
else if (header.response.bodylen)
{
- /* What should I do with the error message??? just discard it for now */
+ /* What should I do with the error message??? just discard it for now */
char hole[SMALL_STRING_LEN];
while (bodylen > 0)
{
/* This might be an error from one of the quiet commands.. if
* so, just throw it away and get the next one. What about creating
* a callback to the user with the error information?
- */
+ */
switch (header.response.opcode)
{
case PROTOCOL_BINARY_CMD_SETQ:
rc= MEMCACHED_PROTOCOL_ERROR;
break;
}
-
+
return rc;
}
projects / m6w6 / libmemcached / blobdiff