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Merge 3 u8_t for netconn-internal status into one u8_t 'flags' to prevent waisting memory when adding more flags

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goldsimon
2010-02-09 18:41:07 +00:00
parent 6fe258c6bc
commit a84590273d
2 changed files with 39 additions and 24 deletions
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39
src/include/lwip/api.h
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@@ -57,6 +57,21 @@ extern "C" {
#define NETCONN_COPY 0x01
#define NETCONN_MORE 0x02
/* Flags for struct netconn.flags (u8_t) */
/** TCP: when data passed to netconn_write doesn't fit into the send buffer,
this temporarily stores whether to wake up the original application task
if data couldn't be sent in the first try. */
#define NETCONN_FLAG_WRITE_DELAYED 0x01
/** Should this netconn avoid blocking? */
#define NETCONN_FLAG_NON_BLOCKING 0x02
/** Was the last connect action a non-blocking one? */
#define NETCONN_FLAG_IN_NONBLOCKING_CONNECT 0x04
/** If this is set, a TCP netconn must call netconn_recved() to update
the TCP receive window (done automatically if not set). */
#define NETCONN_FLAG_UPDATE_TCPWIN_MANUALLY 0x08
/* Helpers to process several netconn_types by the same code */
#define NETCONNTYPE_GROUP(t) (t&0xF0)
#define NETCONNTYPE_DATAGRAM(t) (t&0xE0)
@@ -148,25 +163,16 @@ struct netconn {
int recv_bufsize;
#endif /* LWIP_SO_RCVBUF */
s16_t recv_avail;
u8_t flags;
#if LWIP_TCP
/** TCP: when data passed to netconn_write doesn't fit into the send buffer,
this temporarily stores how much is already sent. */
size_t write_offset;
/** TCP: when data passed to netconn_write doesn't fit into the send buffer,
this temporarily stores the message.
Also used during connect and close. */
struct api_msg_msg *current_msg;
/** TCP: when data passed to netconn_write doesn't fit into the send buffer,
this temporarily stores how much is already sent. */
size_t write_offset;
#if LWIP_TCPIP_CORE_LOCKING
/** TCP: when data passed to netconn_write doesn't fit into the send buffer,
this temporarily stores whether to wake up the original application task
if data couldn't be sent in the first try. @todo: combine in 'flags' */
u8_t write_delayed;
#endif /* LWIP_TCPIP_CORE_LOCKING */
#endif /* LWIP_TCP */
/** Should this netconn avoid blocking? @todo: combine in 'flags' */
u8_t non_blocking;
/** Was the last connect action a non-blocking one? @todo: combine in 'flags' */
u8_t in_non_blocking_connect;
/** A callback function that is informed about events for this netconn */
netconn_callback callback;
};
@@ -227,9 +233,12 @@ err_t netconn_gethostbyname(const char *name, ip_addr_t *addr);
#define netconn_recv_bufsize(conn) ((conn)->recv_bufsize)
/** Set the blocking status of netconn calls (@todo: write/send is missing) */
#define netconn_set_nonblocking(conn, val) ((conn)->non_blocking = (val))
#define netconn_set_nonblocking(conn, val) do { if(val) { \
(conn)->flags |= NETCONN_FLAG_NON_BLOCKING; \
} else { \
(conn)->flags &= ~ NETCONN_FLAG_NON_BLOCKING; }} while(0)
/** Get the blocking status of netconn calls (@todo: write/send is missing) */
#define netconn_is_nonblocking(conn) ((conn)->non_blocking)
#define netconn_is_nonblocking(conn) (((conn)->flags & NETCONN_FLAG_NON_BLOCKING) != 0)
#ifdef __cplusplus
}