X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=libmemcached%2Fresponse.cc;h=1548b4ed23c847f1ad2a6f70d4680809803b959a;hb=609d07c5a051c301ce6595747c2f64d3819554f5;hp=6ee62af08ad86b67e2cf8ac2f3f4daf3bcc17197;hpb=f0b9c972a973d997db6660680938dd5acb2baa46;p=m6w6%2Flibmemcached diff --git a/libmemcached/response.cc b/libmemcached/response.cc index 6ee62af0..1548b4ed 100644 --- a/libmemcached/response.cc +++ b/libmemcached/response.cc @@ -58,13 +58,17 @@ 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 || - rc == MEMCACHED_PROTOCOL_ERROR || - rc == MEMCACHED_CLIENT_ERROR || + unlikely(rc == MEMCACHED_UNKNOWN_READ_FAILURE or + rc == MEMCACHED_PROTOCOL_ERROR or + rc == MEMCACHED_CLIENT_ERROR or rc == MEMCACHED_MEMORY_ALLOCATION_FAILURE) memcached_io_reset(ptr); @@ -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) { @@ -211,8 +215,15 @@ static memcached_return_t textual_value_fetch(memcached_server_write_instance_st */ to_read= (value_length) + 2; memcached_return_t rrc= memcached_io_read(ptr, value_ptr, to_read, &read_length); - if (memcached_failed(rrc)) + if (memcached_failed(rrc) and rrc == MEMCACHED_IN_PROGRESS) + { + memcached_quit_server(ptr, true); + return memcached_set_error(*ptr, MEMCACHED_IN_PROGRESS, MEMCACHED_AT); + } + else if (memcached_failed(rrc)) + { return rrc; + } } if (read_length != (ssize_t)(value_length + 2)) @@ -225,7 +236,7 @@ static memcached_return_t textual_value_fetch(memcached_server_write_instance_st char *char_ptr; char_ptr= memcached_string_value_mutable(&result->value);; char_ptr[value_length]= 0; - char_ptr[value_length + 1]= 0; + char_ptr[value_length +1]= 0; memcached_string_set_length(&result->value, value_length); } @@ -242,8 +253,10 @@ static memcached_return_t textual_read_one_response(memcached_server_write_insta memcached_result_st *result) { memcached_return_t rc= memcached_io_readline(ptr, buffer, buffer_length); - if (rc != MEMCACHED_SUCCESS) + if (memcached_failed(rc)) + { return rc; + } switch(buffer[0]) { @@ -274,36 +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); @@ -312,6 +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') @@ -384,7 +378,7 @@ static memcached_return_t binary_read_one_response(memcached_server_write_instan header.response.keylen= ntohs(header.response.keylen); header.response.status= ntohs(header.response.status); header.response.bodylen= ntohl(header.response.bodylen); - header.response.cas= ntohll(header.response.cas); + header.response.cas= memcached_ntohll(header.response.cas); uint32_t bodylen= header.response.bodylen; if (header.response.status == PROTOCOL_BINARY_RESPONSE_SUCCESS || @@ -415,19 +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; @@ -436,11 +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; @@ -450,10 +463,11 @@ static memcached_return_t binary_read_one_response(memcached_server_write_instan return MEMCACHED_UNKNOWN_READ_FAILURE; } - val= ntohll(val); + val= memcached_ntohll(val); memcpy(buffer, &val, sizeof(val)); } break; + case PROTOCOL_BINARY_CMD_SASL_LIST_MECHS: case PROTOCOL_BINARY_CMD_VERSION: {