/* BEGIN_ICS_COPYRIGHT5 ****************************************

Copyright (c) 2015-2017, Intel Corporation

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright notice,
      this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
    * Neither the name of Intel Corporation nor the names of its contributors
      may be used to endorse or promote products derived from this software
      without specific prior written permission.

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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ** END_ICS_COPYRIGHT5   ****************************************/

#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <signal.h>
#include <unistd.h>
#include <string.h>
#include "hsm_com_client_api.h"
#include "hsm_com_client_data.h"
#include "cs_g.h"


   
   
hsm_com_errno_t
hcom_client_init
(
		OUT	p_hsm_com_client_hdl_t	*p_hdl,
	IN		char					*server_path,
	IN		char					*client_path,
	IN		int						max_data_len
)
{
	hsm_com_client_hdl_t	*hdl = NULL;
	hsm_com_errno_t			res = HSM_COM_OK;
	

	if((strlen(server_path) > (HSM_COM_SVR_MAX_PATH - 1)) ||
	   (strlen(server_path) == 0)){
		res = HSM_COM_PATH_ERR;
		goto cleanup;
	}

	if((strlen(client_path) > (HSM_COM_SVR_MAX_PATH - 1)) ||
	   (strlen(client_path) == 0)){
		res = HSM_COM_PATH_ERR;
		goto cleanup;
	}


	if((hdl = calloc(1,sizeof(hsm_com_client_hdl_t))) == NULL)
	{
		res = HSM_COM_NO_MEM;
		goto cleanup;
	}

	if((hdl->scr.scratch = malloc(max_data_len)) == NULL) 
	{
		res = HSM_COM_NO_MEM;
		goto cleanup;
	}

	if((hdl->recv_buf = malloc(max_data_len)) == NULL) 
	{
		res = HSM_COM_NO_MEM;
		goto cleanup;
	}

	if((hdl->send_buf = malloc(max_data_len)) == NULL) 
	{
		res = HSM_COM_NO_MEM;
		goto cleanup;
	}

	hdl->scr.scratch_fill = 0;
	hdl->scr.scratch_len = max_data_len;
	hdl->buf_len = max_data_len;
	hdl->trans_id = 1;


	cs_strlcpy(hdl->s_path,server_path, HSM_COM_SVR_MAX_PATH);
	cs_strlcpy(hdl->c_path,client_path, HSM_COM_SVR_MAX_PATH);

	if (mkstemp(hdl->c_path) == -1)
	{
		res = HSM_COM_PATH_ERR;
		goto cleanup;
	}

	hdl->client_state = HSM_COM_C_STATE_IN;

	*p_hdl = hdl;

	return res;

cleanup:
	if(hdl)
	{
		if (hdl->scr.scratch) {
			free(hdl->scr.scratch);
		}
		if (hdl->recv_buf) {
			free(hdl->recv_buf);
		}
		if (hdl->send_buf) {
			free(hdl->send_buf);
		}
		free(hdl);
	}

	return res;

}

hsm_com_errno_t
hcom_client_connect
(
	IN p_hsm_com_client_hdl_t p_hdl		
)
{
	return unix_client_connect(p_hdl);
}


hsm_com_errno_t
hcom_client_disconnect
(
	IN p_hsm_com_client_hdl_t p_hdl		
)
{
	return unix_client_disconnect(p_hdl);
}



hsm_com_errno_t
hcom_client_send_ping
(
	IN	p_hsm_com_client_hdl_t	p_hdl,	
	IN	int						timeout_s
)
{
	return unix_sck_send_ping(p_hdl,timeout_s);
}



hsm_com_errno_t
hcom_client_send_data
(
	IN		p_hsm_com_client_hdl_t	p_hdl,
	IN		int						timeout_s,
	IN		hsm_com_datagram_t		*data,
		OUT	hsm_com_datagram_t		*res
)
{
	if(p_hdl->client_state == HSM_COM_C_STATE_CT)
		return unix_sck_send_data(p_hdl, timeout_s, data, res); 

	return HSM_COM_NOT_CONNECTED;
}

hsm_com_errno_t
hcom_client_create_stream
(
		OUT	p_hsm_com_stream_hdl_t	*p_stream_hdl,
	IN		p_hsm_com_client_hdl_t	p_client_hdl,
	IN		char					*socket_path,
	IN		int						max_conx,		
	IN		int						max_data_len
)
{
	return HSM_COM_OK;
}




hsm_com_errno_t
hcom_client_destroy_stream
(
	IN	p_hsm_com_stream_hdl_t	p_stream_hdl,
	IN	p_hsm_com_client_hdl_t	p_client_hdl
)
{
	return HSM_COM_OK;
}

