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import validations
from Page import *
from Table import *
from Form import *
from consts import *
DATA_VALIDATION = [
("server!fdlimit", validations.is_positive_int),
("server!pid_file", validations.parent_is_dir),
("server!sendfile_min", validations.is_positive_int),
("server!sendfile_max", validations.is_positive_int),
('server!panic_action', (validations.is_local_file_exists, 'cfg')),
('server!listen_queue', validations.is_positive_int),
('server!max_connection_reuse', validations.is_positive_int),
('server!log_flush_elapse', validations.is_positive_int),
('server!keepalive_max_requests', validations.is_positive_int)
]
WARNING = """
<p><b>WARNING</b>: This section contains advanced configuration
parameters. It is recommended to not change anything unless you
really know what you are doing.</p>
"""
NOTE_THREAD = 'Defines which thread policy the OS should apply to the server.'
NOTE_THREAD_NUM = 'If empty, Cherokee will calculate a default number.'
NOTE_FD_NUM = 'It defines how many file descriptors the server should handle. Default is the number showed by ulimit -n'
NOTE_POLLING = 'Allows to choose the internal file descriptor polling method.'
NOTE_SENDFILE_MIN = 'Minimum size of a file to use sendfile(). Default: 32768 Bytes.'
NOTE_SENDFILE_MAX = 'Maximum size of a file to use sendfile(). Default: 2 GB.'
NOTE_PANIC_ACTION = 'Name a program that will be called if, by some reason, the server fails. Default: <em>cherokee-panic</em>.'
NOTE_PID_FILE = 'Path of the PID file. If empty, the file will not be created.'
NOTE_LISTEN_Q = 'Max. length of the incoming connection queue.'
NOTE_REUSE_CONNS = 'Set the number of how many internal connections can be hold for reuse by each thread. Default 20.'
NOTE_FLUSH_TIME = 'Sets the number of seconds between log consolidations (flushes). Default: 10 seconds.'
NOTE_KEEPALIVE_RS = 'Maximum number of HTTP requests that can be served by each keepalive connection.'
class PageAdvanced (PageMenu, FormHelper):
def __init__ (self, cfg):
PageMenu.__init__ (self, 'advanced', cfg)
FormHelper.__init__ (self, 'advanced', cfg)
def _op_render (self):
content = self._render_content()
self.AddMacroContent ('title', 'Advanced configuration')
self.AddMacroContent ('content', content)
return Page.Render(self)
def _render_content (self):
txt = "<h1>Advanced configuration</h1>"
txt += self.Dialog(WARNING, 'warning')
txt += "<h2>System tweaking</h2>"
table = TableProps()
self.AddPropEntry (table, 'Thread Number', 'server!thread_number', NOTE_THREAD_NUM)
self.AddPropOptions (table, 'Thread Policy', 'server!thread_policy', THREAD_POLICY, NOTE_THREAD)
self.AddPropEntry (table, 'File descriptors', 'server!fdlimit', NOTE_FD_NUM)
txt += self.Indent(table)
txt += "<h2>Server tweaking</h2>"
table = TableProps()
self.AddPropOptions (table, 'Polling Method', 'server!poll_method', POLL_METHODS, NOTE_POLLING)
self.AddPropEntry (table, 'Sendfile min size', 'server!sendfile_min', NOTE_SENDFILE_MIN)
self.AddPropEntry (table, 'Sendfile max size', 'server!sendfile_max', NOTE_SENDFILE_MAX)
self.AddPropEntry (table, 'Panic action', 'server!panic_action', NOTE_PANIC_ACTION)
self.AddPropEntry (table, 'PID file', 'server!pid_file', NOTE_PID_FILE)
txt += self.Indent(table)
txt += "<h2>Server behaviour</h2>"
table = TableProps()
self.AddPropEntry (table, 'Listening queue lenght', 'server!listen_queue', NOTE_LISTEN_Q)
self.AddPropEntry (table, 'Reuse connections', 'server!max_connection_reuse', NOTE_REUSE_CONNS)
self.AddPropEntry (table, 'Log flush time', 'server!log_flush_elapse', NOTE_FLUSH_TIME)
self.AddPropEntry (table, 'Max keepalive reqs', 'server!keepalive_max_requests', NOTE_KEEPALIVE_RS)
txt += self.Indent(table)
form = Form ("/%s" % (self._id))
return form.Render(txt,DEFAULT_SUBMIT_VALUE)
def _op_apply_changes (self, uri, post):
self.ApplyChanges ([], post, DATA_VALIDATION)
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