smtp.h

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#ifndef LWIP_HDR_APPS_SMTP_H
#define LWIP_HDR_APPS_SMTP_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include "lwip/apps/smtp_opts.h"
#include "lwip/err.h"
#include "lwip/prot/iana.h"

#define SMTP_DEFAULT_PORT         LWIP_IANA_PORT_SMTP
#define SMTPS_DEFAULT_PORT        LWIP_IANA_PORT_SMTPS

#define SMTP_RESULT_OK            0
#define SMTP_RESULT_ERR_UNKNOWN   1
#define SMTP_RESULT_ERR_CONNECT   2
#define SMTP_RESULT_ERR_HOSTNAME  3
#define SMTP_RESULT_ERR_CLOSED    4
#define SMTP_RESULT_ERR_TIMEOUT   5
#define SMTP_RESULT_ERR_SVR_RESP  6
#define SMTP_RESULT_ERR_MEM       7

typedef void (*smtp_result_fn)(void *arg, u8_t smtp_result, u16_t srv_err, err_t err);

struct smtp_send_request {
  const char *from;
  const char* to;
  const char* subject;
  const char* body;
  smtp_result_fn callback_fn;
  void* callback_arg;
  u8_t static_data;
};
 
 
#if SMTP_BODYDH
 
#ifndef SMTP_BODYDH_BUFFER_SIZE
#define SMTP_BODYDH_BUFFER_SIZE 256
#endif /* SMTP_BODYDH_BUFFER_SIZE */
 
struct smtp_bodydh {
  u16_t state;
  u16_t length; /* Length of content in buffer */
  char buffer[SMTP_BODYDH_BUFFER_SIZE]; /* buffer for generated content */
#ifdef SMTP_BODYDH_USER_SIZE
  u8_t user[SMTP_BODYDH_USER_SIZE];
#endif /* SMTP_BODYDH_USER_SIZE */
};
 
enum bdh_retvals_e {
  BDH_DONE = 0,
  BDH_WORKING
};

typedef int (*smtp_bodycback_fn)(void *arg, struct smtp_bodydh *bodydh);
 
err_t smtp_send_mail_bodycback(const char *from, const char* to, const char* subject,
                     smtp_bodycback_fn bodycback_fn, smtp_result_fn callback_fn, void* callback_arg);
 
#endif /* SMTP_BODYDH */
 
 
err_t smtp_set_server_addr(const char* server);
void smtp_set_server_port(u16_t port);
#if LWIP_ALTCP && LWIP_ALTCP_TLS
struct altcp_tls_config;
void smtp_set_tls_config(struct altcp_tls_config *tls_config);
#endif
err_t smtp_set_auth(const char* username, const char* pass);
err_t smtp_send_mail(const char *from, const char* to, const char* subject, const char* body,
                     smtp_result_fn callback_fn, void* callback_arg);
err_t smtp_send_mail_static(const char *from, const char* to, const char* subject, const char* body,
                     smtp_result_fn callback_fn, void* callback_arg);
void smtp_send_mail_int(void *arg);
#ifdef LWIP_DEBUG
const char* smtp_result_str(u8_t smtp_result);
#endif
 
#ifdef __cplusplus
}
#endif
 
#endif /* LWIP_HDR_APPS_SMTP_H */