httpserver may work better now

This commit is contained in:
Araq
2011-01-13 23:27:24 +01:00
parent 1a8c6fb49f
commit ddb49e069e
5 changed files with 94 additions and 78 deletions

View File

@@ -55,7 +55,7 @@ proc rawCompile(pattern: string, flags: cint): PPcre =
return com
proc finalizeRegEx(x: TRegEx) =
# XXX This is a hack, but PCRE does not export it's "free" function properly.
# XXX This is a hack, but PCRE does not export its "free" function properly.
# Sigh. The hack relies on PCRE's implementation (see ``pcre_get.c``).
# Fortunately the implementation is unlikely to change.
pcre.free_substring(cast[cstring](x.h))

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@@ -23,7 +23,7 @@
## run(handleRequest, TPort(80))
##
import strutils, os, osproc, strtabs, streams, sockets
import parseutils, strutils, os, osproc, strtabs, streams, sockets
const
wwwNL* = "\r\L"
@@ -76,9 +76,9 @@ proc unimplemented(client: TSocket) =
proc discardHeaders(client: TSocket) = skip(client)
proc serveFile(client: TSocket, filename: string) =
discardHeaders(client)
proc serveFile*(client: TSocket, filename: string) =
## serves a file to the client.
when false: discardHeaders(client)
var f: TFile
if open(f, filename):
headers(client, filename)
@@ -231,19 +231,33 @@ proc next*(s: var TServer) =
## proceed to the first/next request.
s.client = accept(s.socket)
headers(s.client, "")
var buf = ""
discard recvLine(s.client, buf)
var data = buf.split()
if cmpIgnoreCase(data[0], "GET") == 0 or cmpIgnoreCase(data[0], "POST") == 0:
var q = find(data[1], '?')
if q >= 0:
s.query = data[1].copy(q+1)
s.path = data[1].copy(0, q-1)
else:
s.query = ""
s.path = data[1]
else:
var data = recv(s.client)
#discard recvLine(s.client, data)
var i = 0
if skipIgnoreCase(data, "GET") > 0: i = 3
elif skipIgnoreCase(data, "POST") > 0: i = 4
elif data.len == 0:
# Google Chrome sends an empty line first? the web is ugly ...
nil
else:
unimplemented(s.client)
return
var L = skipWhitespace(data, i)
inc(i, L)
# XXX we ignore "HTTP/1.1" etc. for now here
var query = 0
var last = i
while last < data.len and data[last] notin whitespace:
if data[last] == '?' and query == 0: query = last
inc(last)
if query > 0:
s.query = data.copy(query+1, last-1)
s.path = data.copy(i, query-1)
else:
s.query = ""
s.path = data.copy(i, last-1)
proc close*(s: TServer) =
## closes the server (and the socket the server uses).
@@ -254,7 +268,7 @@ proc run*(handleRequest: proc (client: TSocket, path, query: string): bool,
## encapsulates the server object and main loop
var s: TServer
open(s, port)
#echo("httpserver running on port ", s.port)
echo("httpserver running on port ", s.port)
while true:
next(s)
if handleRequest(s.client, s.path, s.query): break
@@ -265,8 +279,9 @@ when isMainModule:
var counter = 0
proc handleRequest(client: TSocket, path, query: string): bool {.procvar.} =
inc(counter)
client.send("Hello, Andreas, for the $#th time." % $counter & wwwNL)
client.send("Hello, Andreas, for the $#th time. $# ? $#" % [
$counter, path, query] & wwwNL)
return false # do not stop processing
run(handleRequest, TPort(80))
run(handleRequest, TPort(0))

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@@ -935,60 +935,60 @@ proc editDistance*(a, b: string): int {.noSideEffect,
row[p] = x
result = row[e]
#dealloc(row)
# floating point formating:
proc c_sprintf(buf, frmt: CString) {.nodecl, importc: "sprintf", varargs,
noSideEffect.}
type
TFloatFormat* = enum
ffDefault, ## use the shorter floating point notation
ffDecimal, ## use decimal floating point notation
ffScientific ## use scientific notation (using ``e``) character
proc formatBiggestFloat*(f: BiggestFloat, format: TFloatFormat = ffDefault,
# floating point formating:
proc c_sprintf(buf, frmt: CString) {.nodecl, importc: "sprintf", varargs,
noSideEffect.}
type
TFloatFormat* = enum
ffDefault, ## use the shorter floating point notation
ffDecimal, ## use decimal floating point notation
ffScientific ## use scientific notation (using ``e``) character
proc formatBiggestFloat*(f: BiggestFloat, format: TFloatFormat = ffDefault,
precision = 16): string {.noSideEffect,
rtl, extern: "nsu$1".} =
## converts a floating point value `f` to a string.
##
## If ``format == ffDecimal`` then precision is the number of digits to
## be printed after the decimal point.
## If ``format == ffScientific`` then precision is the maximum number
## of significant digits to be printed.
## `precision`'s default value is the maximum number of meaningful digits
## after the decimal point for Nimrod's ``biggestFloat`` type.
const floatFormatToChar: array[TFloatFormat, char] = ['g', 'f', 'e']
var
frmtstr: array[0..5, char]
buf: array[0..80, char]
frmtstr[0] = '%'
frmtstr[1] = '#'
if precision > 0:
frmtstr[2] = '.'
frmtstr[3] = '*'
frmtstr[4] = floatFormatToChar[format]
frmtstr[5] = '\0'
c_sprintf(buf, frmtstr, precision, f)
else:
frmtstr[2] = floatFormatToChar[format]
frmtstr[3] = '\0'
c_sprintf(buf, frmtstr, f)
result = $buf
proc formatFloat*(f: float, format: TFloatFormat = ffDefault,
rtl, extern: "nsu$1".} =
## converts a floating point value `f` to a string.
##
## If ``format == ffDecimal`` then precision is the number of digits to
## be printed after the decimal point.
## If ``format == ffScientific`` then precision is the maximum number
## of significant digits to be printed.
## `precision`'s default value is the maximum number of meaningful digits
## after the decimal point for Nimrod's ``biggestFloat`` type.
const floatFormatToChar: array[TFloatFormat, char] = ['g', 'f', 'e']
var
frmtstr: array[0..5, char]
buf: array[0..80, char]
frmtstr[0] = '%'
frmtstr[1] = '#'
if precision > 0:
frmtstr[2] = '.'
frmtstr[3] = '*'
frmtstr[4] = floatFormatToChar[format]
frmtstr[5] = '\0'
c_sprintf(buf, frmtstr, precision, f)
else:
frmtstr[2] = floatFormatToChar[format]
frmtstr[3] = '\0'
c_sprintf(buf, frmtstr, f)
result = $buf
proc formatFloat*(f: float, format: TFloatFormat = ffDefault,
precision = 16): string {.noSideEffect,
rtl, extern: "nsu$1".} =
## converts a floating point value `f` to a string.
##
## If ``format == ffDecimal`` then precision is the number of digits to
## be printed after the decimal point.
## If ``format == ffScientific`` then precision is the maximum number
## of significant digits to be printed.
## `precision`'s default value is the maximum number of meaningful digits
## after the decimal point for Nimrod's ``float`` type.
result = formatBiggestFloat(f, format, precision)
rtl, extern: "nsu$1".} =
## converts a floating point value `f` to a string.
##
## If ``format == ffDecimal`` then precision is the number of digits to
## be printed after the decimal point.
## If ``format == ffScientific`` then precision is the maximum number
## of significant digits to be printed.
## `precision`'s default value is the maximum number of meaningful digits
## after the decimal point for Nimrod's ``float`` type.
result = formatBiggestFloat(f, format, precision)
{.pop.}
@@ -998,7 +998,7 @@ when isMainModule:
assert align("1232", 6) == " 1232"
echo wordWrap(""" this is a long text -- muchlongerthan10chars and here
it goes""", 10, false)
assert formatBiggestFloat(0.00000000001, ffDecimal, 11) == "0.00000000001"
assert formatBiggestFloat(0.00000000001, ffScientific, 1) == "1.0e-11"
assert formatBiggestFloat(0.00000000001, ffDecimal, 11) == "0.00000000001"
assert formatBiggestFloat(0.00000000001, ffScientific, 1) == "1.0e-11"

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@@ -627,7 +627,8 @@ proc semTypeNode(c: PContext, n: PNode, prev: PType): PType =
of nkBlockType:
result = semBlockType(c, n, prev)
else:
liMessage(n.info, errTypeExpected) #internalError(n.info, 'semTypeNode(' +{&} nodeKindToStr[n.kind] +{&} ')');
liMessage(n.info, errTypeExpected)
#internalError(n.info, 'semTypeNode(' +{&} nodeKindToStr[n.kind] +{&} ')');
proc setMagicType(m: PSym, kind: TTypeKind, size: int) =
m.typ.kind = kind

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@@ -26,7 +26,6 @@ To implement
* sort routine
* hash tables and sets
* the two other parsers
* distinct types for array/seq indexes
* constant sequences
@@ -98,6 +97,7 @@ Version 2
type
PWindow = ref TWindow not nil
- the two other parsers
Low priority