X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fresponse.cc;h=1548b4ed23c847f1ad2a6f70d4680809803b959a;hb=609d07c5a051c301ce6595747c2f64d3819554f5;hp=ff1d77b1bd7954a4f69bf7c7b0d603baccf138c4;hpb=28adf7b936c6f5c25b7526ff56ec1256da1246d4;p=m6w6%2Flibmemcached diff --git a/libmemcached/response.cc b/libmemcached/response.cc index ff1d77b1..1548b4ed 100644 --- a/libmemcached/response.cc +++ b/libmemcached/response.cc @@ -58,9 +58,13 @@ memcached_return_t memcached_read_one_response(memcached_server_write_instance_s memcached_return_t rc; if (ptr->root->flags.binary_protocol) + { rc= binary_read_one_response(ptr, buffer, buffer_length, result); + } else + { rc= textual_read_one_response(ptr, buffer, buffer_length, result); + } unlikely(rc == MEMCACHED_UNKNOWN_READ_FAILURE or rc == MEMCACHED_PROTOCOL_ERROR or @@ -138,7 +142,7 @@ static memcached_return_t textual_value_fetch(memcached_server_write_instance_st key= result->item_key; result->key_length= 0; - for (prefix_length= memcached_array_size(ptr->root->prefix_key); !(iscntrl(*string_ptr) || isspace(*string_ptr)) ; string_ptr++) + for (prefix_length= memcached_array_size(ptr->root->_namespace); !(iscntrl(*string_ptr) || isspace(*string_ptr)) ; string_ptr++) { if (prefix_length == 0) { @@ -214,7 +218,7 @@ static memcached_return_t textual_value_fetch(memcached_server_write_instance_st if (memcached_failed(rrc) and rrc == MEMCACHED_IN_PROGRESS) { memcached_quit_server(ptr, true); - return memcached_set_error(*ptr, rrc, MEMCACHED_AT); + return memcached_set_error(*ptr, MEMCACHED_IN_PROGRESS, MEMCACHED_AT); } else if (memcached_failed(rrc)) { @@ -283,36 +287,16 @@ static memcached_return_t textual_read_one_response(memcached_server_write_insta } 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 *)libmemcached_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; + return memcached_set_error(*ptr, MEMCACHED_SERVER_ERROR, MEMCACHED_AT, startptr, size_t(endptr - startptr)); } else if (buffer[1] == 'T') + { return MEMCACHED_STORED; + } else { WATCHPOINT_STRING(buffer); @@ -321,6 +305,7 @@ static memcached_return_t textual_read_one_response(memcached_server_write_insta } case 'D': /* DELETED */ return MEMCACHED_DELETED; + case 'N': /* NOT_FOUND */ { if (buffer[4] == 'F') @@ -424,19 +409,35 @@ static memcached_return_t binary_read_one_response(memcached_server_write_instan bodylen -= header.response.extlen; result->key_length= keylen; - if ((rc= memcached_safe_read(ptr, result->item_key, keylen)) != MEMCACHED_SUCCESS) + if (memcached_failed(rc= memcached_safe_read(ptr, result->item_key, keylen))) { WATCHPOINT_ERROR(rc); return MEMCACHED_UNKNOWN_READ_FAILURE; } + // Only bother with doing this if key_length > 0 + if (result->key_length) + { + if (memcached_array_size(ptr->root->_namespace) and memcached_array_size(ptr->root->_namespace) >= result->key_length) + { + return memcached_set_error(*ptr, MEMCACHED_UNKNOWN_READ_FAILURE, MEMCACHED_AT); + } + + if (memcached_array_size(ptr->root->_namespace)) + { + result->key_length-= memcached_array_size(ptr->root->_namespace); + memmove(result->item_key, result->item_key +memcached_array_size(ptr->root->_namespace), result->key_length); + } + } + bodylen -= keylen; - if (memcached_string_check(&result->value, - bodylen) != MEMCACHED_SUCCESS) + if (memcached_failed(memcached_string_check(&result->value, bodylen))) + { return MEMCACHED_MEMORY_ALLOCATION_FAILURE; + } char *vptr= memcached_string_value_mutable(&result->value); - if ((rc= memcached_safe_read(ptr, vptr, bodylen)) != MEMCACHED_SUCCESS) + if (memcached_failed(rc= memcached_safe_read(ptr, vptr, bodylen))) { WATCHPOINT_ERROR(rc); return MEMCACHED_UNKNOWN_READ_FAILURE; @@ -445,11 +446,14 @@ static memcached_return_t binary_read_one_response(memcached_server_write_instan memcached_string_set_length(&result->value, bodylen); } break; + case PROTOCOL_BINARY_CMD_INCREMENT: case PROTOCOL_BINARY_CMD_DECREMENT: { if (bodylen != sizeof(uint64_t) || buffer_length != sizeof(uint64_t)) + { return MEMCACHED_PROTOCOL_ERROR; + } WATCHPOINT_ASSERT(bodylen == buffer_length); uint64_t val; @@ -463,6 +467,7 @@ static memcached_return_t binary_read_one_response(memcached_server_write_instan memcpy(buffer, &val, sizeof(val)); } break; + case PROTOCOL_BINARY_CMD_SASL_LIST_MECHS: case PROTOCOL_BINARY_CMD_VERSION: {