Sockets services: Difference between revisions

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== RegisterClient ==
== RegisterClient ==
Takes a [[#LibraryConfigData]], the PID, the size of the transfer memory and a copy-handle of the latter.
Takes a [[#LibraryConfigData]], the PID, the size of the transfer memory and a copy-handle of the latter.
The transfer memory must be larger than a the computed size below. Should the transfer memory be smaller than that, the BSD sockets service would only send ZeroWindow packets (for TCP), resulting in a transfer rate not exceeding 1 byte/s.
static size_t _bsdGetTransferMemSizeForBufferConfig(const BsdBufferConfig *config)
{
    u32 tcp_tx_buf_max_size = config->tcp_tx_buf_max_size != 0 ? config->tcp_tx_buf_max_size : config->tcp_tx_buf_size;
    u32 tcp_rx_buf_max_size = config->tcp_rx_buf_max_size != 0 ? config->tcp_rx_buf_max_size : config->tcp_rx_buf_size;
    u32 sum = tcp_tx_buf_max_size + tcp_rx_buf_max_size + config->udp_tx_buf_size + config->udp_rx_buf_size;
    sum = ((sum + 0xFFF) >> 12) << 12; // page round-up
    return (size_t)(config->sb_efficiency * sum);
}


== Socket ==
== Socket ==
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     u32 sb_efficiency;          ///< Number of buffers for each socket (standard values range from 1 to 8).
     u32 sb_efficiency;          ///< Number of buffers for each socket (standard values range from 1 to 8).
  } BsdBufferConfig;
  } LibraryConfigData;
 
 
The transfer memory must be larger than a the computed size below. Should the transfer memory be smaller than that, the BSD sockets service would only send ZeroWindow packets (for TCP), resulting in a transfer rate not exceeding 1 byte/s.
 
static size_t _bsdGetTransferMemSizeForBufferConfig(const BsdBufferConfig *config)
{
    u32 tcp_tx_buf_max_size = config->tcp_tx_buf_max_size != 0 ? config->tcp_tx_buf_max_size : config->tcp_tx_buf_size;
    u32 tcp_rx_buf_max_size = config->tcp_rx_buf_max_size != 0 ? config->tcp_rx_buf_max_size : config->tcp_rx_buf_size;
    u32 sum = tcp_tx_buf_max_size + tcp_rx_buf_max_size + config->udp_tx_buf_size + config->udp_rx_buf_size;
    sum = ((sum + 0xFFF) >> 12) << 12; // page round-up
    return (size_t)(config->sb_efficiency * sum);
}


= DeleteMode =
= DeleteMode =