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#ifndef PACKET_H
/*
* Class to deal with TLS connection to ChromCast,
* and send and recieve packat format data.
*
* Author: Graeme W. Gill
* Date: 3/9/2014
*
* Copyright 2014 Graeme W. Gill
* All rights reserved.
*
* This material is licenced under the GNU AFFERO GENERAL PUBLIC LICENSE Version 3 :-
* see the License2.txt file for licencing details.
*
*/
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
ccpacket_OK = 0,
ccpacket_malloc, /* malloc failed */
ccpacket_context, /* Getting a ssl context failed */
ccpacket_connect, /* Connecting to host failed */
ccpacket_ssl, /* Establishing SSL connection to host failed */
ccpacket_timeout, /* i/o timed out */
ccpacket_send, /* Message failed to send */
ccpacket_recv /* Messafe failed to read */
} ccpacket_err;
/* Error message from error number */
char *ccpacket_emes(ccpacket_err rv);
typedef struct _ccpacket {
/* Public: */
/* Delete the ccpacket */
void (*del)(struct _ccpacket *p);
/* Establish an ccpacket connection */
/* Return ccpacket_err on error */
ccpacket_err (*connect)(struct _ccpacket *p,
char *dip, /* Destination IP address */
int dport /* Destination Port number */
);
/* Clear the connection and then re-stablish it */
/* Return ccpacket_err on error */
ccpacket_err (*reconnect)(struct _ccpacket *p);
/* Send a message */
/* Return ccpacket_err on error */
ccpacket_err (*send)(struct _ccpacket *p,
ORD8 *buf, ORD32 len /* Message body to send */
);
/* Receive a message */
/* Return ccpacket_err on error */
ccpacket_err (*receive)(struct _ccpacket *p,
ORD8 **pbuf, ORD32 *plen /* ccpacket received, free after use */
);
#ifdef CCPACKET_IMPL
/* Private */
char *dip; /* Destination IP address */
int dport; /* Destination Port number */
SOCKET sock;
SSL_CTX *ctx;
SSL *ssl;
amutex lock; /* Lock to prevent simultanious send & receive */
#endif
} ccpacket;
/* Create a new ccpacket object */
/* Return NULL on error */
ccpacket *new_ccpacket();
#ifdef __cplusplus
}
#endif
#define CCPACKET_H
#endif /* CCPACKET_H */
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