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/*
* ard_tcp.h
*
* Created on: May 27, 2010
* Author: mlf by Metodo2 srl
*/
#ifndef ARD_TCP_H
#define ARD_TCP_H
#include "console.h"
#include "lwip/tcp.h"
typedef void (ard_tcp_done_cb_t)(void *opaque, int result);
#define TTCP_MODE_TRANSMIT 0
#define TTCP_MODE_RECEIVE 1
#define MAX_MODE_NUM 2
#define GET_TCP_MODE(X) ((X!=NULL)?((struct ttcp*)(X))->mode:0)
#define IS_VALID_SOCK(SOCK) ((SOCK>=0)&&(SOCK<MAX_SOCK_NUM))
#define IS_UDP_SOCK(SOCK) ((getTTCP(SOCK, TTCP_MODE_RECEIVE)!=NULL)?((struct ttcp*)(getTTCP(SOCK, TTCP_MODE_RECEIVE)))->udp:0)
// Maximum number of client connection accepted by server
#define MAX_CLIENT_ACCEPTED 4
#define NO_VALID_ID 0xff
#define GET_FIRST_CLIENT_TCP(TTCP) getFirstClient(TTCP, 1)
#define GET_FIRST_CLIENT_TCP_NV(TTCP) getFirstClient(TTCP, 0)
#define GET_CLIENT_TCP(TTCP,ID) (((TTCP!=NULL)&&(ID>=0)&&(ID<MAX_CLIENT_ACCEPTED))?TTCP->tpcb[ID] : NULL)
#define GET_CLIENT_ID(TTCP, PCB) uint8_t id = NO_VALID_ID; do { \
id = getNewClientConnId(TTCP, PCB); \
if (id == NO_VALID_ID) return ERR_MEM; \
}while(0);
#define GET_IDX_CONN(I) ((I+currConnId)<MAX_CLIENT_ACCEPTED ? (I+currConnId) : (I+currConnId-MAX_CLIENT_ACCEPTED))
#define GET_CURR_PCB(TTCP) GET_CLIENT_TCP(TTCP,getCurrClientConnId())
#define FREE_PAYLOAD(TTCP) do { \
int id = getCurrClientConnId(); \
INFO_TCP("Freeing payload %d-%p\n", id, TTCP->payload[id]); \
if (TTCP->payload[id]) { \
free(TTCP->payload[id]); \
TTCP->payload[id] = NULL; } \
}while(0);
#define FREE_PAYLOAD_ID(TTCP,ID) do { \
INFO_TCP("Freeing payload %d-%p\n", ID, TTCP->payload[ID]); \
if (TTCP->payload[ID]) { \
free(TTCP->payload[ID]); \
TTCP->payload[ID] = NULL; } \
}while(0);
typedef struct ttcp {
/* options */
struct ip_addr addr; /* host */
uint16_t port; /* -p */
uint16_t nbuf; /* -n */
int mode; /* -t */
int verbose; /* -v */
int udp; /* -u */
uint8_t sock;
uint8_t buff_sent[MAX_CLIENT_ACCEPTED];
/* common */
uint16_t print_cnt;
uint32_t start_time;
uint32_t left[MAX_CLIENT_ACCEPTED];
uint32_t recved;
ard_tcp_done_cb_t* done_cb;
void* opaque;
uint32_t buflen; /* -l */
uint32_t tid;
/* TCP specific */
struct tcp_pcb* tpcb[MAX_CLIENT_ACCEPTED];
struct tcp_pcb* lpcb;
char* payload[MAX_CLIENT_ACCEPTED];
uint8_t tcp_poll_retries[MAX_CLIENT_ACCEPTED];
bool pending_close[MAX_CLIENT_ACCEPTED];
/* UDP specific */
int udp_started;
uint16_t udp_end_marker_left;
struct udp_pcb* upcb;
}ttcp_t;
bool _connected;
int ard_tcp_start(struct ip_addr addr, uint16_t port, void *opaque,
ard_tcp_done_cb_t *done_cb, int mode, uint16_t nbuf, uint16_t buflen, int udp, int verbose, uint8_t sock, void** _ttcp);
void ard_tcp_stop(void* ttcp);
uint8_t getStateTcp(void* p, bool client );
uint8_t getModeTcp(void* p);
int sendTcpData(void* p, uint8_t* buf, uint16_t len);
int sendUdpData(void* p, uint8_t* buf, uint16_t len);
uint8_t isDataSent(void* p );
cmd_state_t cmd_ttcp(int argc, char* argv[], void* ctx);
int8_t setNewClientConn(struct ttcp* _ttcp, struct tcp_pcb *newpcb, uint8_t id);
int8_t insertNewClientConn(struct ttcp* _ttcp, struct tcp_pcb *newpcb);
int8_t removeNewClientConn(struct ttcp* _ttcp, struct tcp_pcb *newpcb);
bool cleanNewClientConn(struct ttcp* _ttcp);
int8_t getNewClientConnId(struct ttcp* _ttcp, struct tcp_pcb *newpcb);
int8_t getCurrClientConnId();
struct tcp_pcb * getFirstClient(struct ttcp* _ttcp, bool verbose);
void closeConnections();
#endif
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