cozis/microtcp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

cleanup of the TCP finite state machine

Browse Source
This commit is contained in:
cozis
2023-05-17 19:21:17 +02:00
parent a5b5cf4567
commit df70d98661
2 changed files with 286 additions and 216 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/tcp.h
+7 -10
View File
@@ -43,19 +43,17 @@ struct tcp_listener_t {
tcp_listener_t *prev;
tcp_listener_t *next;
uint16_t port;
tcp_connection_t *connections;
tcp_connection_t *connections_waiting_for_ack;
tcp_connection_t *connections_waiting_for_accept_head;
tcp_connection_t *connections_waiting_for_accept_tail;
tcp_connection_t *connections_waiting_for_fin;
tcp_connection_t *accepted_list;
tcp_connection_t *non_established_list;
tcp_connection_t *non_accepted_queue_head;
tcp_connection_t *non_accepted_queue_tail;
void (*callback_ready_to_accept)(void*);
void *callback_data;
};
typedef enum {
TCP_STATE_CLOSED,
TCP_STATE_LISTEN,
TCP_STATE_CLOSED = 0,
TCP_STATE_SYN_SENT,
TCP_STATE_SYN_RCVD,
TCP_STATE_ESTAB,
@@ -64,7 +62,7 @@ typedef enum {
TCP_STATE_CLOSE_WAIT,
TCP_STATE_LAST_ACK,
TCP_STATE_TIME_WAIT,
} tcp_state_t;
} tcp_connstate_t;
struct tcp_connection_t {
tcp_listener_t *listener; // Listener that accepted this connection
@@ -75,7 +73,7 @@ struct tcp_connection_t {
void (*callback_ready_to_recv)(void*);
void (*callback_ready_to_send)(void*);
bool read_only;
tcp_connstate_t state;
ip_address_t peer_ip; // Network byte order
uint16_t peer_port; // CPU byte order
@@ -122,7 +120,6 @@ typedef struct {
struct tcp_state_t {
ip_address_t ip;
tcp_callbacks_t callbacks;
tcp_connection_t *used_connection_list;
tcp_connection_t *free_connection_list;
tcp_connection_t connection_pool[TCP_MAX_SOCKETS];
tcp_listener_t *used_listener_list;