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clean up some ip stack warnings

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This commit is contained in:
Martin Michelsen
2022-03-28 22:27:02 -07:00
parent 5c6a420a61
commit 5b47414a30
1 changed files with 16 additions and 7 deletions
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src/IPStackSimulator.cc
+16 -7
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@@ -223,8 +223,10 @@ void IPStackSimulator::on_client_input(struct bufferevent* bev) {
try {
this->on_client_frame(c, frame);
} catch (const exception& e) {
log(WARNING, "[IPStackSimulator] Failed to process client frame: %s", e.what());
print_data(stderr, frame);
if (this->state->ip_stack_debug) {
log(WARNING, "[IPStackSimulator] Failed to process client frame: %s", e.what());
print_data(stderr, frame);
}
}
}
}
@@ -542,7 +544,7 @@ void IPStackSimulator::on_client_tcp_frame(
uint64_t key = this->tcp_conn_key_for_client_frame(fi);
auto emplace_ret = c->tcp_connections.emplace(key, IPClient::TCPConnection());
auto& conn = emplace_ret.first->second;
string conn_str = this->state->ip_stack_debug ? this->str_for_tcp_connection(c, conn) : "";
string conn_str;
if (emplace_ret.second) {
// Connection is new; initialize it
@@ -557,9 +559,14 @@ void IPStackSimulator::on_client_tcp_frame(
conn.resend_push_usecs = DEFAULT_RESEND_PUSH_USECS;
conn.awaiting_first_ack = true;
conn.max_frame_size = max_frame_size;
conn_str = this->str_for_tcp_connection(c, conn);
if (this->state->ip_stack_debug) {
log(INFO, "[IPStackSimulator] Client opened TCP connection %s (acked_server_seq=%08" PRIX32 ", next_client_seq=%08" PRIX32 ")",
conn_str.c_str(), conn.acked_server_seq, conn.next_client_seq);
} else {
log(INFO, "[IPStackSimulator] Client opened TCP connection %s",
conn_str.c_str());
}
} else {
@@ -569,6 +576,7 @@ void IPStackSimulator::on_client_tcp_frame(
}
// TODO: We should check the syn/ack numbers here instead of just assuming
// they're correct
conn_str = this->str_for_tcp_connection(c, conn);
if (this->state->ip_stack_debug) {
log(INFO, "[IPStackSimulator] Client resent SYN for TCP connection %s",
conn_str.c_str());
@@ -640,10 +648,8 @@ void IPStackSimulator::on_client_tcp_frame(
throw runtime_error("client sent TCP FIN+RST");
}
if (this->state->ip_stack_debug) {
string conn_str = this->str_for_tcp_connection(c, *conn);
log(INFO, "[IPStackSimulator] Client closed TCP connection %s", conn_str.c_str());
}
string conn_str = this->str_for_tcp_connection(c, *conn);
log(INFO, "[IPStackSimulator] Client closed TCP connection %s", conn_str.c_str());
// TODO: Are we supposed to send a response to an RST? Here we do, and the
// client probably just ignores it anyway
@@ -939,6 +945,9 @@ void IPStackSimulator::on_server_error(
// Delete the connection object (this also flushes and frees the server
// virtual connection bufferevent)
string conn_str = this->str_for_tcp_connection(c, conn);
log(INFO, "[IPStackSimulator] Server closed TCP connection %s",
conn_str.c_str());
c->tcp_connections.erase(this->tcp_conn_key_for_connection(conn));
}
}