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authorajs <ajs>2004-11-04 19:26:16 +0000
committerajs <ajs>2004-11-04 19:26:16 +0000
commit49ff6d9d7a9ef9419dd7aab58ac9f7806e3e1040 (patch)
treebb9e1d36b5bef56d2e47c69b6bab1ef54cf9696e /vtysh/ChangeLog
parent62d8e96a06e664c929a164bfb66b515d1c6877a8 (diff)
2004-11-04 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* vty.c: Vtysh connections to daemons should use buffering. (vty_out) Remove exception for vty_shell_serv, just use buffer_write. (vty_new) Increase output buffer size to 4096 rounded up to a multiple of pagesize. (vtysh_read) After command has been executed and all output buffered, call buffer_flush_available and schedule further writes if the buffers are not yet empty. (vtysh_write) New function to flush output to vtysh when the socket is writeable. (vty_event) Added new VTYSH_WRITE event for flushing buffers to vtysh clients. Also, should save read thread in vty->t_read so the thread can be cancelled in vty_close. * buffer.h: In struct buffer_data, remove unused "parent" field. Convert "unsigned char *data" to "unsigned char data[0]" to save a malloc. Declare new function buffer_flush_available that works with non-blocking sockets. * buffer.c: (buffer_data_new) Use a single malloc now that data is a variable-size array at end of structure. (buffer_data_free) Just a single free now that data is part of the structure. (buffer_write) Simplify the logic to make behavior more transparent. (buffer_flush) Decrease b->length as data is written out. (buffer_flush_vty_all) Decrease b->length as buffers are freed. (buffer_flush_vty) Decrease b->length as data is written out. (buffer_flush_available) New function to flush non-blocking sockets.
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