Files
tomato-testing/testing/support/doubles/network_universe.hh
Green Sky 565efa4f39 Squashed 'external/toxcore/c-toxcore/' changes from 1828c5356..c9cdae001
c9cdae001 fix(toxav): remove extra copy of video frame on encode
4f6d4546b test: Improve the fake network library.
a2581e700 refactor(toxcore): generate `Friend_Request` and `Dht_Nodes_Response`
2aaa11770 refactor(toxcore): use Tox_Memory in generated events
5c367452b test(toxcore): fix incorrect mutex in tox_scenario_get_time
8f92e710f perf: Add a timed limit of number of cookie requests.
695b6417a test: Add some more simulated network support.
815ae9ce9 test(toxcore): fix thread-safety in scenario framework
6d85c754e test(toxcore): add unit tests for net_crypto
9c22e79cc test(support): add SimulatedEnvironment for deterministic testing
f34fcb195 chore: Update windows Dockerfile to debian stable (trixie).
ece0e8980 fix(group_moderation): allow validating unsorted sanction list signatures
a4fa754d7 refactor: rename struct Packet to struct Net_Packet
d6f330f85 cleanup: Fix some warnings from coverity.
e206bffa2 fix(group_chats): fix sync packets reverting topics
0e4715598 test: Add new scenario testing framework.
668291f44 refactor(toxcore): decouple Network_Funcs from sockaddr via IP_Port
fc4396cef fix: potential division by zero in toxav and unsafe hex parsing
8e8b352ab refactor: Add nullable annotations to struct members.
7740bb421 refactor: decouple net_crypto from DHT
1936d4296 test: add benchmark for toxav audio and video
46bfdc2df fix: correct printf format specifiers for unsigned integers
REVERT: 1828c5356 fix(toxav): remove extra copy of video frame on encode

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: c9cdae001341e701fca980c9bb9febfeb95d2902
2026-01-11 14:42:31 +01:00

91 lines
2.3 KiB
C++

#ifndef C_TOXCORE_TESTING_SUPPORT_DOUBLES_NETWORK_UNIVERSE_H
#define C_TOXCORE_TESTING_SUPPORT_DOUBLES_NETWORK_UNIVERSE_H
#include <cstdint>
#include <functional>
#include <map>
#include <memory>
#include <mutex>
#include <queue>
#include <vector>
#include "../../../toxcore/network.h"
namespace tox::test {
class FakeUdpSocket;
class FakeTcpSocket;
struct Packet {
IP_Port from;
IP_Port to;
std::vector<uint8_t> data;
uint64_t delivery_time;
bool is_tcp = false;
// TCP Simulation Fields
uint8_t tcp_flags = 0; // 0x01=FIN, 0x02=SYN, 0x10=ACK
uint32_t seq = 0;
uint32_t ack = 0;
bool operator>(const Packet &other) const { return delivery_time > other.delivery_time; }
};
/**
* @brief The God Object for the network simulation.
* Manages routing, latency, and connectivity.
*/
class NetworkUniverse {
public:
using PacketFilter = std::function<bool(Packet &)>;
using PacketSink = std::function<void(const Packet &)>;
NetworkUniverse();
~NetworkUniverse();
// Registration
// Returns true if binding succeeded
bool bind_udp(IP ip, uint16_t port, FakeUdpSocket *socket);
void unbind_udp(IP ip, uint16_t port);
bool bind_tcp(IP ip, uint16_t port, FakeTcpSocket *socket);
void unbind_tcp(IP ip, uint16_t port, FakeTcpSocket *socket);
// Routing
void send_packet(Packet p);
// Simulation
void process_events(uint64_t current_time_ms);
void set_latency(uint64_t ms);
void set_verbose(bool verbose);
bool is_verbose() const;
void add_filter(PacketFilter filter);
void add_observer(PacketSink sink);
// Helpers
// Finds a free port starting from 'start'
uint16_t find_free_port(IP ip, uint16_t start = 33445);
struct IP_Port_Key {
IP ip;
uint16_t port;
bool operator<(const IP_Port_Key &other) const;
};
private:
std::map<IP_Port_Key, FakeUdpSocket *> udp_bindings_;
std::multimap<IP_Port_Key, FakeTcpSocket *> tcp_bindings_;
std::priority_queue<Packet, std::vector<Packet>, std::greater<Packet>> event_queue_;
std::vector<PacketFilter> filters_;
std::vector<PacketSink> observers_;
uint64_t global_latency_ms_ = 0;
bool verbose_ = false;
std::recursive_mutex mutex_;
};
} // namespace tox::test
#endif // C_TOXCORE_TESTING_SUPPORT_DOUBLES_NETWORK_UNIVERSE_H