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1 office 1 #ifndef LWIP_HDR_TCP_HELPER_H
2 #define LWIP_HDR_TCP_HELPER_H
3  
4 #include "../lwip_check.h"
5 #include "lwip/arch.h"
6 #include "lwip/tcp.h"
7 #include "lwip/netif.h"
8  
9 /* counters used for test_tcp_counters_* callback functions */
10 struct test_tcp_counters {
11 u32_t recv_calls;
12 u32_t recved_bytes;
13 u32_t recv_calls_after_close;
14 u32_t recved_bytes_after_close;
15 u32_t close_calls;
16 u32_t err_calls;
17 err_t last_err;
18 char* expected_data;
19 u32_t expected_data_len;
20 };
21  
22 struct test_tcp_txcounters {
23 u32_t num_tx_calls;
24 u32_t num_tx_bytes;
25 u8_t copy_tx_packets;
26 struct pbuf *tx_packets;
27 };
28  
29 extern const ip_addr_t test_local_ip;
30 extern const ip_addr_t test_remote_ip;
31 extern const ip_addr_t test_netmask;
32 #define TEST_REMOTE_PORT 0x100
33 #define TEST_LOCAL_PORT 0x101
34  
35 /* Helper functions */
36 void tcp_remove_all(void);
37  
38 struct pbuf* tcp_create_segment(ip_addr_t* src_ip, ip_addr_t* dst_ip,
39 u16_t src_port, u16_t dst_port, void* data, size_t data_len,
40 u32_t seqno, u32_t ackno, u8_t headerflags);
41 struct pbuf* tcp_create_rx_segment(struct tcp_pcb* pcb, void* data, size_t data_len,
42 u32_t seqno_offset, u32_t ackno_offset, u8_t headerflags);
43 struct pbuf* tcp_create_rx_segment_wnd(struct tcp_pcb* pcb, void* data, size_t data_len,
44 u32_t seqno_offset, u32_t ackno_offset, u8_t headerflags, u16_t wnd);
45 void tcp_set_state(struct tcp_pcb* pcb, enum tcp_state state, const ip_addr_t* local_ip,
46 const ip_addr_t* remote_ip, u16_t local_port, u16_t remote_port);
47 void test_tcp_counters_err(void* arg, err_t err);
48 err_t test_tcp_counters_recv(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t err);
49  
50 struct tcp_pcb* test_tcp_new_counters_pcb(struct test_tcp_counters* counters);
51  
52 void test_tcp_input(struct pbuf *p, struct netif *inp);
53  
54 void test_tcp_init_netif(struct netif *netif, struct test_tcp_txcounters *txcounters,
55 const ip_addr_t *ip_addr, const ip_addr_t *netmask);
56  
57  
58 #endif