/******************************************************************************
* *
* Function: get_data_from_server *
* *
* Purpose: get configuration and other data from server *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed successfully *
* FAIL - an error occurred *
* *
* Author: Alexander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
int get_data_from_server(zbx_sock_t *sock, const char *request)
{
const char *__function_name = "get_data_from_server";
int ret = FAIL;
struct zbx_json j;
zabbix_log(LOG_LEVEL_DEBUG, "In %s() request:'%s'", __function_name, request);
zbx_json_init(&j, 128);
zbx_json_addstring(&j, "request", request, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(&j, "host", CONFIG_HOSTNAME, ZBX_JSON_TYPE_STRING);
if (FAIL == send_data_to_server(sock, j.buffer))
goto exit;
if (FAIL == recv_data_from_server(sock))
goto exit;
ret = SUCCEED;
exit:
zbx_json_free(&j);
zabbix_log(LOG_LEVEL_DEBUG, "End of %s():%s", __function_name, zbx_result_string(ret));
return ret;
}
/******************************************************************************
* *
* Function: put_data_to_server *
* *
* Purpose: send data from server *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed succesfully *
* FAIL - an error occured *
* *
* Author: Alksander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
int put_data_to_server(zbx_sock_t *sock, struct zbx_json *j)
{
struct zbx_json_parse jp;
int ret = FAIL;
char *answer, value[MAX_STRING_LEN];
zabbix_log(LOG_LEVEL_DEBUG, "In put_data_to_server() [datalen:%zd]",
j->buffer_size);
if (FAIL == send_data_to_server(sock, j->buffer))
goto exit;
if (FAIL == recv_data_from_server(sock, &answer))
goto exit;
if (FAIL == zbx_json_open(answer, &jp))
goto exit;
if (FAIL == zbx_json_value_by_name(&jp, ZBX_PROTO_TAG_RESPONSE, value, sizeof(value)))
goto exit;
if (0 != strcmp(value, ZBX_PROTO_VALUE_SUCCESS))
goto exit;
ret = SUCCEED;
exit:
zabbix_log(LOG_LEVEL_DEBUG, "End of put_data_to_server():%s",
zbx_result_string(ret));
return ret;
}
/**
* @brief 将发送缓冲中的数据发送出去,同时接收一次网络中的数据
* @param
* @return 0success -1failed
*/
int c_net_client_impl::do_io()
{
if(!m_inited)
{
return -1;
}
if(m_sock_fd < 0)
{
if(connect_to_server(m_timeout) != 0)
{
ERROR_LOG("can not connect now");
return -1;
}
}
if(recv_data_from_server() < 0)
{
return -1;
}
if(m_send_buffer_len > 0)
{
int bytes_sent = send_to_server(m_sock_fd, m_send_buffer, m_send_buffer_len);
if(bytes_sent > 0)
{
remove_data_from_send_buffer(bytes_sent);
}
else if(bytes_sent < 0)
{/**< 连接遇到问题，关闭连接*/
disconnect_from_server();
return -1;
}
else
{
//nothing to do
}
}
return 0;
}
/******************************************************************************
* *
* Function: get_data_from_server *
* *
* Purpose: get configuration and othed data from server *
* *
* Parameters: *
* *
* Return value: SUCCESS - processed succesfully *
* FAIL - an error occured *
* *
* Author: Alksander Vladishev *
* *
* Comments: *
* *
******************************************************************************/
int get_data_from_server(zbx_sock_t *sock, const char *request, char **data)
{
int ret = FAIL;
struct zbx_json j;
zabbix_log(LOG_LEVEL_DEBUG, "In get_data_from_server() [request:%s]",
request);
zbx_json_init(&j, 128);
zbx_json_addstring(&j, "request", request, ZBX_JSON_TYPE_STRING);
zbx_json_addstring(&j, "host", CONFIG_HOSTNAME, ZBX_JSON_TYPE_STRING);
if (FAIL == send_data_to_server(sock, j.buffer))
goto exit;
if (FAIL == recv_data_from_server(sock, data))
goto exit;
ret = SUCCEED;
exit:
zbx_json_free(&j);
return ret;
}
