86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
/*
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* lwftp_mod.h
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*
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* Created on: Feb 14, 2024
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* Author: SeungJu Lim
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*/
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#ifndef LWFTP_H
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#define LWFTP_H
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#include "lwip/opt.h"
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#include "lwip/ip.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum lwftp_results {
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LWFTP_RESULT_OK=0,
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LWFTP_RESULT_INPROGRESS,
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LWFTP_RESULT_LOGGED,
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LWFTP_RESULT_ERR_UNKNOWN, /** Unknown error */
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LWFTP_RESULT_ERR_ARGUMENT, /** Wrong argument */
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LWFTP_RESULT_ERR_MEMORY, /** Out of memory */
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LWFTP_RESULT_ERR_CONNECT, /** Connection to server failed */
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LWFTP_RESULT_ERR_HOSTNAME, /** Failed to resolve server hostname */
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LWFTP_RESULT_ERR_CLOSED, /** Connection unexpectedly closed by remote server */
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LWFTP_RESULT_ERR_TIMEOUT, /** Connection timed out (server didn't respond in time) */
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LWFTP_RESULT_ERR_SRVR_RESP, /** Server responded with an unknown response code */
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LWFTP_RESULT_ERR_INTERNAL, /** Internal network stack error */
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LWFTP_RESULT_ERR_LOCAL, /** Local storage error */
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LWFTP_RESULT_ERR_FILENAME /** Remote host could not find file */
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};
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/** LWFTP control connection state */
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typedef enum {
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LWFTP_CLOSED=0,
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LWFTP_CONNECTED,
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LWFTP_USER_SENT,
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LWFTP_PASS_SENT,
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LWFTP_LOGGED,
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LWFTP_TYPE_SENT,
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LWFTP_PASV_SENT,
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LWFTP_RETR_SENT,
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LWFTP_STOR_SENT,
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LWFTP_XFERING,
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LWFTP_DATAEND,
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LWFTP_QUIT,
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LWFTP_QUIT_SENT,
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LWFTP_CLOSING,
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} lwftp_state_t;
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/** LWFTP session structure */
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typedef struct {
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// User interface
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ip_addr_t server_ip;
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u16_t server_port;
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const char *remote_path;
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const char *user;
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const char *pass;
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void *handle;
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uint (*data_source)(void*, const char**, uint);
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uint (*data_sink)(void*, const char*, uint);
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void (*done_fn)(void*, int);
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uint timeout;
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// Internal data
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lwftp_state_t control_state;
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lwftp_state_t target_state;
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lwftp_state_t data_state;
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struct tcp_pcb *control_pcb;
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struct tcp_pcb *data_pcb;
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} lwftp_session_t;
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// LWFTP API
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err_t lwftp_connect(lwftp_session_t *s);
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err_t lwftp_store(lwftp_session_t *s);
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err_t lwftp_retrieve(lwftp_session_t *s);
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void lwftp_close(lwftp_session_t *s);
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#ifdef __cplusplus
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}
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#endif
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#endif // LWFTP_H
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