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This hook function gives the choice to set the pointer to the application data (with p_data argument) that the µC/HTTP-client stack will take care of transferring; or to directly copy the data in the HTTP transmit buffer (with p_buf argument).
Prototype
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CPU_BOOLEAN HTTPc_ReqBodyHook (HTTPc_CONN_OBJ *p_conn_obj, HTTPc_REQ_OBJ *p_req_obj, void **p_data, CPU_CHAR *p_buf, CPU_INT16U *p_buf_len CPUCPU_INT16U *p_data_len); |
Arguments
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Example Template
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CPU_CHAR AppHTTPc_ReqBodyBuf[1024];
static CPU_BOOLEAN HTTPc_ReqBodyHook (HTTPc_CONN_OBJ *p_conn,
HTTPc_REQ_OBJ *p_req,
void **p_data,
CPU_CHAR *p_buf,
CPU_INT16U buf_len,
CPU_INT16U *p_data_len)
{
CPU_SIZE_T data_len;
data_len = App_ReadDataStream(&AppHTTPc_ReqBodyBuf); /* Theoretical application's function to read a stream of data and ... */
/* ... copy it in the buffer and return the length of data copied. */
*p_data = &AppHTTPc_ReqBodyBuf;
*p_data_len = data_len;
if (data_len == 0) {
return (DEF_YES);
} else {
return (DEF_NO);
}
}
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