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implement DHCP in IPStackSimulator

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This commit is contained in:
Martin Michelsen
2023-10-13 00:10:58 -07:00
parent 01033287f2
commit 78698a0a89
6 changed files with 196 additions and 66 deletions
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src/IPStackSimulator.hh
+10 -9
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@@ -10,6 +10,7 @@
#include "ProxyServer.hh"
#include "Server.hh"
#include "ServerState.hh"
#include "Text.hh"
class IPStackSimulator {
public:
@@ -38,7 +39,7 @@ private:
IPStackSimulator* sim;
unique_bufferevent bev;
uint8_t mac_addr[6];
parray<uint8_t, 6> mac_addr;
uint32_t ipv4_addr;
struct TCPConnection {
@@ -78,8 +79,8 @@ private:
std::unordered_set<unique_listener> listeners;
std::unordered_map<struct bufferevent*, std::shared_ptr<IPClient>> bev_to_client;
uint8_t host_mac_address_bytes[6];
uint8_t broadcast_mac_address_bytes[6];
parray<uint8_t, 6> host_mac_address_bytes;
parray<uint8_t, 6> broadcast_mac_address_bytes;
FILE* pcap_text_log_file;
@@ -91,19 +92,19 @@ private:
static std::string str_for_ipv4_netloc(uint32_t addr, uint16_t port);
static std::string str_for_tcp_connection(std::shared_ptr<const IPClient> c,
const IPClient::TCPConnection& conn);
const IPClient::TCPConnection& conn);
static void dispatch_on_listen_accept(struct evconnlistener* listener,
evutil_socket_t fd, struct sockaddr* address, int socklen, void* ctx);
evutil_socket_t fd, struct sockaddr* address, int socklen, void* ctx);
void on_listen_accept(struct evconnlistener* listener, evutil_socket_t fd,
struct sockaddr* address, int socklen);
struct sockaddr* address, int socklen);
static void dispatch_on_listen_error(struct evconnlistener* listener, void* ctx);
void on_listen_error(struct evconnlistener* listener);
static void dispatch_on_client_input(struct bufferevent* bev, void* ctx);
void on_client_input(struct bufferevent* bev);
static void dispatch_on_client_error(struct bufferevent* bev, short events,
void* ctx);
void* ctx);
void on_client_error(struct bufferevent* bev, short events);
void on_client_frame(std::shared_ptr<IPClient> c, const std::string& frame);
@@ -112,13 +113,13 @@ private:
void on_client_tcp_frame(std::shared_ptr<IPClient> c, const FrameInfo& fi);
static void dispatch_on_resend_push(evutil_socket_t fd, short events,
void* ctx);
void* ctx);
void on_resend_push(std::shared_ptr<IPClient> c, IPClient::TCPConnection& conn);
static void dispatch_on_server_input(struct bufferevent* bev, void* ctx);
void on_server_input(std::shared_ptr<IPClient> c, IPClient::TCPConnection& conn);
static void dispatch_on_server_error(struct bufferevent* bev, short events,
void* ctx);
void* ctx);
void on_server_error(std::shared_ptr<IPClient> c, IPClient::TCPConnection& conn, short events);
void send_pending_push_frame(