bool ErrorResponse::decode(int version, char* buffer, size_t size) {
char* pos = decode_int32(buffer, code_);
pos = decode_string(pos, &message_);
switch (code_) {
case CQL_ERROR_UNAVAILABLE:
pos = decode_uint16(pos, cl_);
pos = decode_int32(pos, required_);
decode_int32(pos, received_);
break;
case CQL_ERROR_READ_TIMEOUT:
pos = decode_uint16(pos, cl_);
pos = decode_int32(pos, received_);
pos = decode_int32(pos, required_);
decode_byte(pos, data_present_);
break;
case CQL_ERROR_WRITE_TIMEOUT:
pos = decode_uint16(pos, cl_);
pos = decode_int32(pos, received_);
pos = decode_int32(pos, required_);
decode_write_type(pos);
break;
case CQL_ERROR_READ_FAILURE:
pos = decode_uint16(pos, cl_);
pos = decode_int32(pos, received_);
pos = decode_int32(pos, required_);
pos = decode_int32(pos, num_failures_);
decode_byte(pos, data_present_);
break;
case CQL_ERROR_FUNCTION_FAILURE:
pos = decode_string(pos, &keyspace_);
pos = decode_string(pos, &function_);
decode_stringlist(pos, arg_types_);
break;
case CQL_ERROR_WRITE_FAILURE:
pos = decode_uint16(pos, cl_);
pos = decode_int32(pos, received_);
pos = decode_int32(pos, required_);
pos = decode_int32(pos, num_failures_);
decode_write_type(pos);
break;
case CQL_ERROR_UNPREPARED:
decode_string(pos, &prepared_id_);
break;
case CQL_ERROR_ALREADY_EXISTS:
pos = decode_string(pos, &keyspace_);
pos = decode_string(pos, &table_);
break;
}
return true;
}
bool EventResponse::decode(int version, char* buffer, size_t size) {
StringRef event_type;
char* pos = decode_string(buffer, &event_type);
if (event_type == "TOPOLOGY_CHANGE") {
event_type_ = CASS_EVENT_TOPOLOGY_CHANGE;
StringRef topology_change;
pos = decode_string(pos, &topology_change);
if (topology_change == "NEW_NODE") {
topology_change_ = NEW_NODE;
} else if (topology_change == "REMOVED_NODE") {
topology_change_ = REMOVED_NODE;
} else if (topology_change == "MOVED_NODE") {
topology_change_ = MOVED_NODE;
} else {
return false;
}
decode_inet(pos, &affected_node_);
} else if (event_type == "STATUS_CHANGE") {
event_type_ = CASS_EVENT_STATUS_CHANGE;
StringRef status_change;
pos = decode_string(pos, &status_change);
if (status_change == "UP") {
status_change_ = UP;
} else if (status_change == "DOWN") {
status_change_ = DOWN;
} else {
return false;
}
decode_inet(pos, &affected_node_);
} else if (event_type == "SCHEMA_CHANGE") {
event_type_ = CASS_EVENT_SCHEMA_CHANGE;
// Version 1+: <change>... (all start with change type)
StringRef schema_change;
pos = decode_string(pos, &schema_change);
if (schema_change == "CREATED") {
schema_change_ = CREATED;
} else if (schema_change == "UPDATED") {
schema_change_ = UPDATED;
} else if (schema_change == "DROPPED") {
schema_change_ = DROPPED;
} else {
return false;
}
if (version <= 2) {
// Version 1 and 2: ...<keyspace><table> ([string][string])
pos = decode_string(pos, &keyspace_);
decode_string(pos, &target_);
schema_change_target_ = target_.size() == 0 ? KEYSPACE : TABLE;
} else {
// Version 3+: ...<target><options>
// <target> = [string]
// <options> = [string] OR [string][string]
StringRef target;
pos = decode_string(pos, &target);
if (target == "KEYSPACE") {
schema_change_target_ = KEYSPACE;
} else if (target == "TABLE") {
schema_change_target_ = TABLE;
} else if (target == "TYPE") {
schema_change_target_ = TYPE;
} else if (target == "FUNCTION") {
schema_change_target_ = FUNCTION;
} else if (target == "AGGREGATE") {
schema_change_target_ = AGGREGATE;
} else {
return false;
}
pos = decode_string(pos, &keyspace_);
if (schema_change_target_ == TABLE ||
schema_change_target_ == TYPE) {
decode_string(pos, &target_);
} else if (schema_change_target_ == FUNCTION ||
schema_change_target_ == AGGREGATE) {
pos = decode_string(pos, &target_);
decode_stringlist(pos, arg_types_);
}
}
} else {
return false;
}
return true;
}
