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web/reliability: add parameter descriptions, adapted from a patch from Terrell Russell.

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This commit is contained in:
Brian Warner 2009-02-19 16:29:18 -07:00
parent 2f751332e8
commit 26fbe9df95
1 changed files with 20 additions and 12 deletions
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32
src/allmydata/web/reliability.py
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@ -25,14 +25,22 @@ class ReliabilityTool(rend.Page):
docFactory = getxmlfile("reliability.xhtml")
DEFAULT_PARAMETERS = [
("drive_lifetime", "8Y", "time"),
("k", 3, "int"),
("R", 7, "int"),
("N", 10, "int"),
("delta", "1M", "time"),
("check_period", "1M", "time"),
("report_period", "3M", "time"),
("report_span", "5Y", "time"),
("drive_lifetime", "8Y", "time",
"Average drive lifetime"),
("k", 3, "int",
"Minimum number of shares needed to recover the file"),
("R", 7, "int",
"Repair threshold: repair will not occur until fewer than R shares "
"are left"),
("N", 10, "int",
"Total number of shares of the file generated"),
("delta", "1M", "time", "Amount of time between each simulation step"),
("check_period", "1M", "time",
"How often to run the checker and repair if fewer than R shares"),
("report_period", "3M", "time",
"Amount of time between result rows in this report"),
("report_span", "5Y", "time",
"Total amount of time covered by this report"),
]
def parse_time(self, s):
@ -52,7 +60,7 @@ class ReliabilityTool(rend.Page):
def get_parameters(self, ctx):
req = inevow.IRequest(ctx)
parameters = {}
for name,default,argtype in self.DEFAULT_PARAMETERS:
for (name,default,argtype,description) in self.DEFAULT_PARAMETERS:
v = get_arg(ctx, name, default)
if argtype == "time":
value = self.parse_time(v)
@ -67,16 +75,16 @@ class ReliabilityTool(rend.Page):
return rend.Page.renderHTTP(self, ctx)
def make_input(self, name, old_value):
return T.input(name=name, type="text",
return T.input(name=name, type="text", size="5",
value=self.format_time(old_value))
def render_forms(self, ctx, data):
f = T.form(action=".", method="get")
table = []
for name, default_value, argtype in self.DEFAULT_PARAMETERS:
for (name,default_value,argtype,description) in self.DEFAULT_PARAMETERS:
old_value = self.parameters[name]
i = self.make_input(name, old_value)
table.append(T.tr[T.td[name+":"], T.td[i]])
table.append(T.tr[T.td[name+":"], T.td[i], T.td[description]])
go = T.input(type="submit", value="Recompute")
return [T.h2["Simulation Parameters:"],
f[T.table[table], go],