Better dictionary

test/core/end2end/fuzzers/hpack.dictionary

 # hpack fuzzing dictionary
-kw0="\x01""0"
-kw1="\x01""1"
-kw2="\x01""2"
-kw3="\x03""200"
-kw4="\x03""204"
-kw5="\x03""206"
-kw6="\x03""304"
-kw7="\x03""400"
-kw8="\x03""404"
-kw9="\x03""500"
-kw10="\x06""accept"
-kw11="\x0e""accept-charset"
-kw12="\x0f""accept-encoding"
-kw13="\x0f""accept-language"
-kw14="\x0d""accept-ranges"
-kw15="\x1b""access-control-allow-origin"
-kw16="\x03""age"
-kw17="\x05""allow"
-kw18="\x10""application/grpc"
-kw19="\x0a:authority"
-kw20="\x0d""authorization"
-kw21="\x0d""cache-control"
-kw22="\x0a""census-bin"
-kw23="\x11""census-binary-bin"
-kw24="\x13""content-disposition"
-kw25="\x10""content-encoding"
-kw26="\x10""content-language"
-kw27="\x0e""content-length"
-kw28="\x10""content-location"
-kw29="\x0d""content-range"
-kw30="\x0c""content-type"
-kw31="\x06""cookie"
-kw32="\x04""date"
-kw33="\x07""deflate"
-kw34="\x0c""deflate,gzip"
-kw35="\x00"
-kw36="\x04""etag"
-kw37="\x06""expect"
-kw38="\x07""expires"
-kw39="\x04""from"
-kw40="\x03GET"
-kw41="\x04grpc"
-kw42="\x14grpc-accept-encoding"
-kw43="\x0dgrpc-encoding"
-kw44="\x1egrpc-internal-encoding-request"
-kw45="\x0cgrpc-message"
-kw46="\x0bgrpc-status"
-kw47="\x0cgrpc-timeout"
-kw48="\x04gzip"
-kw49="\x0dgzip, deflate"
-kw50="\x04host"
-kw51="\x04http"
-kw52="\x05https"
-kw53="\x08identity"
-kw54="\x10identity,deflate"
-kw55="\x15identity,deflate,gzip"
-kw56="\x0didentity,gzip"
-kw57="\x08if-match"
-kw58="\x11if-modified-since"
-kw59="\x0dif-none-match"
-kw60="\x08if-range"
-kw61="\x13if-unmodified-since"
-kw62="\x0dlast-modified"
-kw63="\x04link"
-kw64="\x08location"
-kw65="\x0cmax-forwards"
-kw66="\x07:method"
-kw67="\x05:path"
-kw68="\x04POST"
-kw69="\x12proxy-authenticate"
-kw70="\x13proxy-authorization"
-kw71="\x03PUT"
-kw72="\x05range"
-kw73="\x07referer"
-kw74="\x07refresh"
-kw75="\x0bretry-after"
-kw76="\x07:scheme"
-kw77="\x06server"
-kw78="\x0aset-cookie"
-kw79="\x01/"
-kw80="\x0b/index.html"
-kw81="\x07:status"
-kw82="\x19strict-transport-security"
-kw83="\x02te"
-kw84="\x08trailers"
-kw85="\x11transfer-encoding"
-kw86="\x0auser-agent"
-kw87="\x04vary"
-kw88="\x03via"
-kw89="\x10www-authenticate"
+"\x010"
+"\x011"
+"\x012"
+"\x03200"
+"\x03204"
+"\x03206"
+"\x03304"
+"\x03400"
+"\x03404"
+"\x03500"
+"\x06accept"
+"\x0Eaccept-charset"
+"\x0Faccept-encoding"
+"\x0Faccept-language"
+"\x0Daccept-ranges"
+"\x1Baccess-control-allow-origin"
+"\x03age"
+"\x05allow"
+"\x10application/grpc"
+"\x0A:authority"
+"\x0Dauthorization"
+"\x0Dcache-control"
+"\x0Acensus-bin"
+"\x11census-binary-bin"
+"\x13content-disposition"
+"\x10content-encoding"
+"\x10content-language"
+"\x0Econtent-length"
+"\x10content-location"
+"\x0Dcontent-range"
+"\x0Ccontent-type"
+"\x06cookie"
+"\x04date"
+"\x07deflate"
+"\x0Cdeflate,gzip"
+"\x00"
+"\x04etag"
+"\x06expect"
+"\x07expires"
+"\x04from"
+"\x03GET"
+"\x04grpc"
+"\x14grpc-accept-encoding"
+"\x0Dgrpc-encoding"
+"\x1Egrpc-internal-encoding-request"
+"\x0Cgrpc-message"
+"\x0Bgrpc-status"
+"\x0Cgrpc-timeout"
+"\x04gzip"
+"\x0Dgzip, deflate"
+"\x04host"
+"\x04http"
+"\x05https"
+"\x08identity"
+"\x10identity,deflate"
+"\x15identity,deflate,gzip"
+"\x0Didentity,gzip"
+"\x08if-match"
+"\x11if-modified-since"
+"\x0Dif-none-match"
+"\x08if-range"
+"\x13if-unmodified-since"
+"\x0Dlast-modified"
+"\x04link"
+"\x08location"
+"\x0Cmax-forwards"
+"\x07:method"
+"\x05:path"
+"\x04POST"
+"\x12proxy-authenticate"
+"\x13proxy-authorization"
+"\x03PUT"
+"\x05range"
+"\x07referer"
+"\x07refresh"
+"\x0Bretry-after"
+"\x07:scheme"
+"\x06server"
+"\x0Aset-cookie"
+"\x01/"
+"\x0B/index.html"
+"\x07:status"
+"\x19strict-transport-security"
+"\x02te"
+"\x08trailers"
+"\x11transfer-encoding"
+"\x0Auser-agent"
+"\x04vary"
+"\x03via"
+"\x10www-authenticate"

tools/codegen/core/gen_static_metadata.py

@@ -246,21 +246,16 @@ with open(sys.argv[0]) as my_source:
 hex_bytes = [ord(c) for c in "abcdefABCDEF0123456789"]
 
 
-def esc_c(line):
+def esc_dict(line):
   out = "\""
-  last_was_hex = False
   for c in line:
     if 32 <= c < 127:
-      if c in hex_bytes and last_was_hex:
-        out += "\"\""
       if c != ord('"'):
         out += chr(c)
       else:
         out += "\\\""
-      last_was_hex = False
     else:
-      out += "\\x%02x" % c
-      last_was_hex = True
+      out += "\\x%02X" % c
   return out + "\""
 
 put_banner([H,C],
@@ -293,7 +288,7 @@ print >>C
 
 print >>D, '# hpack fuzzing dictionary'
 for i, elem in enumerate(all_strs):
-  print >>D, 'kw%d=%s' % (i, esc_c([len(elem)] + [ord(c) for c in elem]))
+  print >>D, '%s' % (esc_dict([len(elem)] + [ord(c) for c in elem]))
 
 print >>H, '#define GRPC_STATIC_MDELEM_COUNT %d' % len(all_elems)
 print >>H, 'extern grpc_mdelem grpc_static_mdelem_table[GRPC_STATIC_MDELEM_COUNT];'