void EventLogger::deparser_start(const Packet &packet,
const Deparser &deparser) {
typedef struct : msg_hdr_t {
int deparser_id;
} __attribute__((packed)) msg_t;
msg_t msg;
fill_msg_hdr(EventType::DEPARSER_START, packet, &msg);
msg.deparser_id = deparser.get_id();
transport_instance->send((char *) &msg, sizeof(msg));
};
void
EventLogger::deparser_done(const Packet &packet, const Deparser &deparser) {
typedef struct : msg_hdr_t {
int deparser_id;
} __attribute__((packed)) msg_t;
msg_t msg;
fill_msg_hdr(EventType::DEPARSER_DONE, device_id, packet, &msg);
msg.deparser_id = deparser.get_id();
transport_instance->send(reinterpret_cast<char *>(&msg), sizeof(msg));
}
void SimpleSwitch::pipeline_thread() {
Pipeline *ingress_mau = this->get_pipeline("ingress");
Pipeline *egress_mau = this->get_pipeline("egress");
Parser *parser = this->get_parser("parser");
Deparser *deparser = this->get_deparser("deparser");
PHV *phv;
while (1) {
std::unique_ptr<Packet> packet;
input_buffer.pop_back(&packet);
phv = packet->get_phv();
int ingress_port = packet->get_ingress_port();
BMLOG_DEBUG_PKT(*packet, "Processing packet received on port {}",
ingress_port);
phv->get_field("standard_metadata.ingress_port").set(ingress_port);
ingress_port = phv->get_field("standard_metadata.ingress_port").get_int();
std::cout << ingress_port << std::endl;
parser->parse(packet.get());
ingress_mau->apply(packet.get());
int egress_port = phv->get_field("standard_metadata.egress_port").get_int();
BMLOG_DEBUG_PKT(*packet, "Egress port is {}", egress_port);
int learn_id = phv->get_field("intrinsic_metadata.learn_id").get_int();
BMLOG_DEBUG_PKT(*packet, "Learn id is {}", learn_id);
unsigned int mgid = phv->get_field("intrinsic_metadata.mgid").get_uint();
BMLOG_DEBUG_PKT(*packet, "Mgid is {}", mgid);
if (learn_id > 0) {
get_learn_engine()->learn(learn_id, *packet.get());
phv->get_field("intrinsic_metadata.learn_id").set(0);
}
if (egress_port == 511 && mgid == 0) {
BMLOG_DEBUG_PKT(*packet, "Dropping packet");
continue;
}
if (mgid != 0) {
assert(mgid == 1);
phv->get_field("intrinsic_metadata.mgid").set(0);
packet_id_t copy_id = 1;
const auto pre_out = pre->replicate({mgid});
for (const auto &out : pre_out) {
egress_port = out.egress_port;
if (ingress_port == egress_port) continue; // pruning
BMLOG_DEBUG_PKT(*packet, "Replicating packet on port {}", egress_port);
std::unique_ptr<Packet> packet_copy = packet->clone_with_phv_ptr();
packet_copy->set_egress_port(egress_port);
egress_mau->apply(packet_copy.get());
deparser->deparse(packet_copy.get());
output_buffer.push_front(std::move(packet_copy));
}
} else {
packet->set_egress_port(egress_port);
egress_mau->apply(packet.get());
deparser->deparse(packet.get());
output_buffer.push_front(std::move(packet));
}
}
}