Errc
from_view(View& v, Stats_reply& m) {
if (remaining(v) < bytes(m))
return Errc::STATS_REPLY_OVERFLOW;
from_view(v, m.header);
return from_view(v, m.payload, m.header.type);
}
Errc
from_view(View& v, Queue_stats_request& m) {
from_view(v, m.port_number);
pad(v, 2);
from_view(v, m.queue_id);
return {};
}
Errc
from_view(View& v, Queue_config_reply& m) {
if (remaining(v) < bytes(m))
return Errc::QUEUE_CONFIG_REPLY_OVERFLOW;
from_view(v, m.port);
from_view(v, m.queues);
return {};
}
Errc
from_view(View& v, Vendor_stats& m) {
if (remaining(v) < bytes(m))
return Errc::VENDOR_STATS_OVERFLOW;
from_view(v, m.vendor_id);
from_view(v, m.data);
return {};
}
Errc
from_view(View& v, Flow_stats_request& m) {
from_view(v, m.match);
from_view(v, m.table_id);
pad(v, 1);
from_view(v, m.out_port);
return {};
}
Errc
from_view(View& v, Set_config& m) {
if (remaining(v) < bytes(m))
return Errc::CONFIG_OVERFLOW;
from_view(v, m.flags);
from_view(v, m.miss_send_len);
return {};
}
Errc
from_view(View& v, Stats_header& m) {
from_view(v, m.type);
from_view(v, m.flags);
if (not is_valid(m.type)) // Required semantic check
return Errc::BAD_STATS_TYPE;
return {};
}
Errc
from_view(View& v, Aggregate_stats& m) {
from_view(v, m.packet_count);
from_view(v, m.byte_count);
from_view(v, m.flow_count);
pad(v, 4);
return {};
}
Errc
from_view(View& v, Description_stats& m) {
from_view(v, m.mfr_desc);
from_view(v, m.hw_desc);
from_view(v, m.sw_desc);
from_view(v, m.serial_number);
from_view(v, m.dp_desc);
return {};
}
Errc
from_view(View& v, Port_status& m) {
if (remaining(v) < bytes(m))
return Errc::PORT_STATUS_OVERFLOW;
from_view(v, m.reason);
pad(v, 7);
from_view(v, m.port);
return {};
}
Errc
from_view(View& v, Error& m) {
if (remaining(v) < bytes(m))
return Errc::ERROR_OVERFLOW;
from_view(v, m.type);
from_view(v, m.code);
from_view(v, m.data);
return {};
}
Errc
from_view(View& v, Message& m) {
if (remaining(v) < bytes(m))
return Errc::MESSAGE_OVERFLOW;
from_view(v, m.header);
// TODO: Constrain the view?
return from_view(v, m.payload, m.header.type);
}
Errc
from_view(View& v, Port_mod& m) {
if (remaining(v) < bytes(m))
return Errc::PORT_MOD_OVERFLOW;
from_view(v, m.port);
from_view(v, m.hw_addr);
from_view(v, m.config);
from_view(v, m.mask);
from_view(v, m.advertised);
return {};
}
Errc
from_view(View& v, Queue_stats_entry& m) {
from_view(v, m.length);
pad(v, 2);
from_view(v, m.tx_bytes);
from_view(v, m.tx_packets);
from_view(v, m.tx_errors);
if (m.length != 32) // Required semantic check
return Errc::BAD_QUEUE_STATS_LENGTH;
return {};
}
Errc
from_view(View& v, Packet_in& m) {
if (remaining(v) < bytes(m))
return Errc::PACKET_IN_OVERFLOW;
from_view(v, m.buffer_id);
from_view(v, m.total_len);
from_view(v, m.in_port);
from_view(v, m.reason);
pad(v, 1);
from_view(v, m.data);
return {};
}
Errc
from_view(View& v, Queue& m) {
if (remaining(v) < bytes(m))
return Errc::PROPERTY_OVERFLOW;
if (m.length < bytes(m))
return Errc::BAD_QUEUE_LENGTH;
from_view(v, m.queue_id);
from_view(v, m.length);
pad(v, 2);
from_view(v, m.properties);
return {};
}
Error
from_view(View& v, Header& h) {
if (v.remaining() < bytes(h))
return make_error_code(errc::header_overflow);
from_view(v, h.version);
from_view(v, h.type);
from_view(v, h.length);
from_view(v, h.xid);
// Minimum semantic checking
if (h.length < bytes(h))
return make_error_code(errc::bad_header_length);
return {};
}
Errc
from_view(View& v, Flow_mod& m) {
if (remaining(v) < bytes(m))
return Errc::FLOW_MOD_OVERFLOW;
from_view(v, m.match);
from_view(v, m.cookie);
from_view(v, m.command);
from_view(v, m.idle_timeout);
from_view(v, m.hard_timeout);
from_view(v, m.priority);
from_view(v, m.buffer_id);
from_view(v, m.out_port);
from_view(v, m.flags);
return from_view(v, m.actions);
}
Errc
from_view(View& v, Header& m) {
if (remaining(v) < bytes(m))
return Errc::MESSAGE_OVERFLOW; // FIXME: not the right code?
from_view(v, m.version);
from_view(v, m.type);
from_view(v, m.length);
from_view(v, m.xid);
if (not is_valid(m.version)) // Optional semantic check
return Errc::BAD_VERSION;
if (not is_valid(m.type)) // Required semantic check
return Errc::BAD_MESSAGE_TYPE;
if (m.length < bytes(m)) // Required semantic check
return Errc::BAD_HEADER_LENGTH;
return {};
}
Errc
from_view(View& v, Property& m) {
from_view(v, m.property);
from_view(v, m.length);
pad(v, 4);
if (not is_valid(m.property)) // Required semantic check
return Errc::BAD_PROPERTY_TYPE;
if (m.length < bytes(m)) // Required semantic check
return Errc::BAD_PROPERTY_LENGTH;
if (Constrained_view c = constrain(v, m.length - bytes(m)))
return to_view(c, m.value, m.property);
else
return {};
}
Errc
from_view(View& v, Packet_out& m) {
if (remaining(v) < bytes(m))
return Errc::PACKET_OUT_OVERFLOW;
from_view(v, m.buffer_id);
from_view(v, m.port);
from_view(v, m.actions_len);
if (Constrained_view c = constrain(v, m.actions_len)) {
if (Trap err = from_view(v, m.actions))
return err.code();
} else {
return Errc::PACKET_OUT_OVERFLOW;
}
from_view(v, m.data);
return {};
}
Errc
from_view(View& v, Flow_removed& m) {
if (remaining(v) < bytes(m))
return Errc::FLOW_REMOVED_OVERFLOW;
from_view(v, m.match);
from_view(v, m.cookie);
from_view(v, m.priority);
from_view(v, m.reason);
pad(v, 1);
from_view(v, m.duration_sec);
from_view(v, m.duration_nsec);
from_view(v, m.idle_timeout);
pad(v, 2);
from_view(v, m.packet_count);
from_view(v, m.byte_count);
return {};
}
Errc
from_view(View& v, Table_stats_entry& m) {
from_view(v, m.table_id);
pad(v, 3);
from_view(v, m.name);
from_view(v, m.wildcards);
from_view(v, m.max_entries);
from_view(v, m.active_count);
from_view(v, m.lookup_count);
from_view(v, m.matched_count);
return {};
}
Errc
from_view(View& v, Stats_request_payload& m, Stats_type t) {
switch(t) {
case STATS_DESC: return from_view(v, m.empty);
case STATS_FLOW: return from_view(v, m.flow);
case STATS_AGGREGATE: return from_view(v, m.flow);
case STATS_TABLE: return from_view(v, m.empty);
case STATS_PORT: return from_view(v, m.port);
case STATS_QUEUE: return from_view(v, m.queue);
case STATS_VENDOR: return from_view(v, m.vendor);
default: break;
}
throw Errc::BAD_STATS_TYPE;
}
Errc
from_view(View& v, Stats_reply_payload& m, Stats_type t) {
construct(m, t); // Guarantee that non-trivial members are valid
switch(t) {
case STATS_DESC: return from_view(v, m.desc);
case STATS_FLOW: return from_view(v, m.flow);
case STATS_AGGREGATE: return from_view(v, m.aggr);
case STATS_TABLE: return from_view(v, m.table);
case STATS_PORT: return from_view(v, m.port);
case STATS_QUEUE: return from_view(v, m.queue);
case STATS_VENDOR: return from_view(v, m.vendor);
default: break;
}
throw Errc::BAD_STATS_TYPE;
}
Errc
from_view(View& v, Feature_reply& m) {
if (remaining(v) < bytes(m))
return Errc::FEATURE_OVERFLOW;
from_view(v, m.datapath_id);
from_view(v, m.nbuffers);
from_view(v, m.ntables);
pad(v, 3);
from_view(v, m.capabilities);
from_view(v, m.actions);
from_view(v, m.ports);
return {};
}
Errc
from_view(View& v, Port_stats_entry& m) {
from_view(v, m.port_number);
pad(v, 6);
from_view(v, m.rx_packets);
from_view(v, m.tx_packets);
from_view(v, m.rx_bytes);
from_view(v, m.tx_bytes);
from_view(v, m.rx_dropped);
from_view(v, m.tx_dropped);
from_view(v, m.rx_errors);
from_view(v, m.tx_errors);
from_view(v, m.rx_frame_err);
from_view(v, m.rx_over_err);
from_view(v, m.rx_crc_err);
from_view(v, m.collisions);
return {};
}
Errc
from_view(View& v, Port_stats_request& m) {
from_view(v, m.port_number);
pad(v, 6);
return {};
}
Errc
from_view(View& v, Flow_stats_entry& m) {
from_view(v, m.length);
from_view(v, m.table_id);
pad(v, 1);
from_view(v, m.match);
from_view(v, m.duration_sec);
from_view(v, m.duration_nsec);
from_view(v, m.priority);
from_view(v, m.idle_timeout);
from_view(v, m.hard_timeout);
pad(v, 6);
from_view(v, m.cookie);
from_view(v, m.packet_count);
from_view(v, m.byte_count);
if (m.length < bytes(m)) // Required semantic check
return Errc::BAD_FLOW_STATS_LENGTH;
if (Constrained_view c = constrain(v, m.length - bytes(m)))
return from_view(c, m.actions);
return
Errc::FLOW_STATS_OVERFLOW;
}
Errc
from_view(View& v, Vendor_stats_request& m) {
from_view(v, m.vendor_id);
return {};
}
