SimpleSMTPClient.h

00001 /*
00002  * 
00003  * mbed Simple SMTP Client
00004  * Copyright (c) 2012 Tadao Iida
00005  * Released under the MIT License: http://mbed.org/license/mit
00006  */ 
00007 
00008 /** @file
00009  * @brief Simple SMTP Client
00010  */
00011 
00012 #ifndef SimpleSMTPC_h
00013 #define SimpleSMTPC_h
00014 
00015 #include "EthernetInterface.h"
00016 
00017 ///SMTP authentication
00018 enum SMTPAuth {
00019     SMTP_AUTH_NONE, ///<No authentication
00020     SMTP_AUTH_PLAIN, ///<AUTH PLAIN authentication
00021     SMTP_AUTH_LOGIN
00022 };
00023 
00024 ///SimpleSMTP client results
00025 enum SMTPResult
00026 {
00027     SMTP_AUTH_OK = 235, ///<Authentication successful
00028     SMTP_OK = 250, ///<Requested mail action okay, completed
00029     SMTP_INPUT = 354 ///<Start mail input
00030 };
00031 #define DEBUG
00032 
00033 #define SMTP_TIMEOUT 15000 // ms
00034 
00035 class SimpleSMTPClient
00036 {
00037 public:
00038   /**
00039   Instantiate the SimpleSMTP client
00040   */
00041   SimpleSMTPClient();
00042 
00043     /** send mail
00044      * @param host mail server
00045      * @param data mail body
00046      * @param user auth username
00047      * @param pwd auth password 
00048      * @param domain
00049      * @param port mail port
00050      * @param auth SMTP auth
00051      * @return 0:success, -1:failue
00052      */
00053     int sendmail (char *host, char *user, char *pwd,char *domain,char *port,SMTPAuth auth);
00054     
00055     /** setMessage
00056     * @param sub Subject <The Subject are less than 64 characters.>
00057     * @param msg Message
00058     * @return 0:success, -1:failue
00059     */
00060     int setMessage(char *sub,char *msg);
00061     
00062     /** addMessage
00063     * @param msg Message 
00064     * @return 0:success, -1:failue
00065     */    
00066     int addMessage(char *msg);
00067          
00068     /** setFromAddress
00069     * @param from mail address
00070     * @return character count, -1:failue
00071     */     
00072     int setFromAddress(char *from);
00073     
00074     /** setToAddress <The ToAddress are less than 128 characters.>
00075     * @param to mail address
00076     * @return character count, -1:failue
00077     */
00078     int setToAddress(char *to);
00079     
00080     /** clearMessage 
00081     *    
00082     */
00083     void clearMessage(void);
00084 
00085     /** msgLength
00086     *
00087     */
00088     int msgLength(void);    
00089 
00090  
00091 private:
00092     int base64enc(const char *input, unsigned int length, char *output, int outputlen); 
00093     int receiveMessage(int code);
00094     char* getFromAddress(void);
00095     char* getToAddress(void);   
00096     char* getSubject();
00097     char* getHeader();
00098     char* getMessage();
00099     int makeHeader(void);
00100     
00101     TCPSocketConnection smtp;
00102     char header[256];
00103     char body[1500];    
00104     char from[64];
00105     char to[128];
00106     char subject[64];
00107     char message[1244];
00108 };
00109 
00110 #endif