HTTPStatus_t HTTPClient_InitializeRequestHeaders()

in source/core_http_client.c [1557:1650]
80 lines of code
13 McCabe index (conditional complexity)

HTTPStatus_t HTTPClient_InitializeRequestHeaders( HTTPRequestHeaders_t * pRequestHeaders,
                                                  const HTTPRequestInfo_t * pRequestInfo )
{
    HTTPStatus_t returnStatus = HTTPSuccess;

    /* Check for NULL parameters. */
    if( pRequestHeaders == NULL )
    {
        LogError( ( "Parameter check failed: pRequestHeaders is NULL." ) );
        returnStatus = HTTPInvalidParameter;
    }
    else if( pRequestHeaders->pBuffer == NULL )
    {
        LogError( ( "Parameter check failed: pRequestHeaders->pBuffer is NULL." ) );
        returnStatus = HTTPInvalidParameter;
    }
    else if( pRequestInfo == NULL )
    {
        LogError( ( "Parameter check failed: pRequestInfo is NULL." ) );
        returnStatus = HTTPInvalidParameter;
    }
    else if( pRequestInfo->pMethod == NULL )
    {
        LogError( ( "Parameter check failed: pRequestInfo->pMethod is NULL." ) );
        returnStatus = HTTPInvalidParameter;
    }
    else if( pRequestInfo->pHost == NULL )
    {
        LogError( ( "Parameter check failed: pRequestInfo->pHost is NULL." ) );
        returnStatus = HTTPInvalidParameter;
    }
    else if( pRequestInfo->methodLen == 0U )
    {
        LogError( ( "Parameter check failed: pRequestInfo->methodLen must be greater than 0." ) );
        returnStatus = HTTPInvalidParameter;
    }
    else if( pRequestInfo->hostLen == 0U )
    {
        LogError( ( "Parameter check failed: pRequestInfo->hostLen must be greater than 0." ) );
        returnStatus = HTTPInvalidParameter;
    }
    else
    {
        /* Empty else MISRA 15.7 */
    }

    if( returnStatus == HTTPSuccess )
    {
        /* Reset application-provided parameters. */
        pRequestHeaders->headersLen = 0U;

        /* Write "<METHOD> <PATH> HTTP/1.1\r\n" to start the HTTP header. */
        returnStatus = writeRequestLine( pRequestHeaders,
                                         pRequestInfo->pMethod,
                                         pRequestInfo->methodLen,
                                         pRequestInfo->pPath,
                                         pRequestInfo->pathLen );
    }

    if( returnStatus == HTTPSuccess )
    {
        /* Write "User-Agent: <Value>". */
        returnStatus = addHeader( pRequestHeaders,
                                  HTTP_USER_AGENT_FIELD,
                                  HTTP_USER_AGENT_FIELD_LEN,
                                  HTTP_USER_AGENT_VALUE,
                                  HTTP_USER_AGENT_VALUE_LEN );
    }

    if( returnStatus == HTTPSuccess )
    {
        /* Write "Host: <Value>". */
        returnStatus = addHeader( pRequestHeaders,
                                  HTTP_HOST_FIELD,
                                  HTTP_HOST_FIELD_LEN,
                                  pRequestInfo->pHost,
                                  pRequestInfo->hostLen );
    }

    if( returnStatus == HTTPSuccess )
    {
        if( ( HTTP_REQUEST_KEEP_ALIVE_FLAG & pRequestInfo->reqFlags ) != 0U )
        {
            /* Write "Connection: keep-alive". */
            returnStatus = addHeader( pRequestHeaders,
                                      HTTP_CONNECTION_FIELD,
                                      HTTP_CONNECTION_FIELD_LEN,
                                      HTTP_CONNECTION_KEEP_ALIVE_VALUE,
                                      HTTP_CONNECTION_KEEP_ALIVE_VALUE_LEN );
        }
    }

    return returnStatus;
}