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Add IP stack port remapping

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Incentive
2026-05-15 15:06:32 -04:00
parent b2b8fd2cec
commit 6de7db4765
3 changed files with 36 additions and 3 deletions
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src/IPStackSimulator.cc
+18 -3
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@@ -1356,9 +1356,24 @@ asio::awaitable<void> IPStackSimulator::open_server_connection(
string conn_str = this->str_for_tcp_connection(c, conn);
// Figure out which logical port the connection should go to
auto port_config_it = this->state->number_to_port_config.find(conn->server_port);
uint16_t effective_server_port = conn->server_port;
auto remap_it = this->state->ip_stack_port_remap.find(effective_server_port);
if (remap_it != this->state->ip_stack_port_remap.end()) {
this->log.info_f(
"Remapping IP stack TCP destination port {} to {} for connection {}",
effective_server_port,
remap_it->second,
conn_str);
effective_server_port = remap_it->second;
}
auto port_config_it = this->state->number_to_port_config.find(effective_server_port);
if (port_config_it == this->state->number_to_port_config.end()) {
this->log.error_f("TCP connection {} is to undefined port {}", conn_str, conn->server_port);
this->log.error_f(
"TCP connection {} is to undefined port {} after remap from {}",
conn_str,
effective_server_port,
conn->server_port);
co_await this->close_tcp_connection(c, conn);
co_return;
}
@@ -1371,7 +1386,7 @@ asio::awaitable<void> IPStackSimulator::open_server_connection(
co_await this->close_tcp_connection(c, conn);
co_return;
} else {
this->state->game_server->connect_channel(conn->server_channel, conn->server_port, port_config->behavior);
this->state->game_server->connect_channel(conn->server_channel, effective_server_port, port_config->behavior);
this->log.info_f("Connected TCP connection {} to game server", conn_str);
}
}