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mk2gn.py
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#!/usr/bin/env python
import os,sys
#import db
include_dirs = []
lib_dirs = []
sources = []
libs = []
flags_c = []
def GetNginxVersion(nginx_h):
try:
fd = open(nginx_h, "r")
while True:
line = fd.readline()
if line == "":
break
if line.find("#define nginx_version") == 0:
line = line.replace("#define nginx_version", "").strip()
fd.close()
return int(line)
fd.close()
except Exception as e:
print("get version of nginx failed")
sys.exit(1)
if __name__ == '__main__':
if len(sys.argv) < 4:
print("Usage: python3 mk2gn.py </path/to/nginx> </path/to/chromium/src> <args>")
print("\nOptions:")
print(" </path/to/nginx>: path of nginx.")
print(" </path/to/chromium/src>: path of chromium/src.")
print(" < args>: when configure nginx, the parameters required to configure.\n")
sys.exit(0)
quic_module_root = os.getcwd()
nginx_root = os.path.realpath(sys.argv[1])
chromium_root = os.path.realpath(sys.argv[2])
nginx_version = 0
nginx_args = []
patch_path = ""
nginx_src_core_nginx_h = ""
chromium_net_gn = ""
if nginx_root[-1] == '/':
nginx_src_core_nginx_h = nginx_root + "src/core/nginx.h"
else:
nginx_src_core_nginx_h = nginx_root + "/src/core/nginx.h"
if chromium_root[-1] == '/':
chromium_net_gn = chromium_root + "net/BUILD.gn"
else:
chromium_net_gn = chromium_root + "/net/BUILD.gn"
if os.path.exists(quic_module_root+"/quic_module") == False:
print("""Not found the dir "quic_moudle" in current dir "%s"."""%(quic_module_root))
sys.exit(0)
if os.path.exists(nginx_src_core_nginx_h) == False:
print("""Not found the "src/core/nginx.h" in nginx dir "%s"."""%(nginx_root))
sys.exit(0)
if os.path.exists(chromium_root) == False:
print("""Not found the "net/BUILD.gn" in chromium dir "%s"."""%(chromium_root))
sys.exit(0)
nginx_version = GetNginxVersion(nginx_src_core_nginx_h)
print("This current version of nginx is %d."%(nginx_version))
if nginx_version >= 1016000:
patch_path = quic_module_root + "/patch/quic-1.16.0.patch"
elif nginx_version == 1014002:
patch_path = quic_module_root + "/patch/quic-1.14.2.patch"
else:
print("Not support current version of nginx(%d) to patch."%(nginx_version))
sys.exit(0)
argc = len(sys.argv)
for i in range(3, argc):
nginx_args.append(sys.argv[i])
# patch nginx
os.chdir(nginx_root)
cmd = "patch -p0 <%s"%(patch_path)
print("run %s"%(cmd))
os.system(cmd)
cmd = "./configure"
for a in nginx_args:
cmd = cmd + " " + a
cmd = cmd + " --add-module=" + quic_module_root + "/quic_module"
print("run %s"%(cmd))
os.system(cmd)
try:
fd = open("objs/Makefile", "r")
begin_all_incs = False
begin_sources = False
begin_lib = False
while True:
line = fd.readline()
if line == "":
break
if line.find("ALL_INCS =") == 0:
line = line.replace("ALL_INCS =", "")
begin_all_incs = True
if begin_all_incs == True:
line = line.replace("-I", "")
line = line.replace("\\", "").strip()
if line == "":
begin_all_incs = False
continue
if line.find("boringssl") >= 0 or line.find("openssl") >= 0:
continue
line = os.path.realpath(line)
include_dirs.append(line)
continue
if line.find("\t$(LINK) -o objs/nginx") == 0:
begin_lib = True
continue;
if begin_lib == True:
if line.find("\tobjs") == 0:
continue
line = line.strip()
if line == "":
begin_lib = False
continue
arys = line.split(" ")
for item in arys:
item = item.strip()
if item == "":
continue
if item.find("boringssl") >= 0 or item.find("openssl") >= 0:
continue
if item.find("-l") == 0:
if item in ("-ldl","-lpthread","-lm"):
continue
libs.append(item.replace("-l", ""))
continue
if item.find("-L") == 0:
item = item.replace("-L", "")
item = os.path.realpath(item)
lib_dirs.append(item)
continue
item = os.path.realpath(item)
if os.path.exists(item) == True:
libs.append(item)
continue
if line.find("CFLAGS = ") == 0:
line = line.replace("CFLAGS = ", "").strip()
arys = line.split(" ")
for item in arys:
item = item.strip()
if item == "":
continue;
if item.find("boringssl") >= 0 or item.find("openssl") >= 0:
continue
if item.find("-I") == 0:
item = item.replace("-I", "")
item = os.path.realpath(item)
include_dirs.append(item)
continue
if item.find("-L") == 0:
item = item.replace("-L", "")
item = os.path.realpath(item)
lib_dirs.append(item)
continue
if item in ("-pipe","-O","-O2","-O3","-g","-W","-Wall","-Wpointer-arith","-Wno-unused-parameter","-Werror","-m64"):
continue
flags_c.append(item)
continue
if line.find("modules:") == 0:
begin_sources = True
continue;
if begin_sources == True:
if line.find("objs/nginx") == 0:
continue
if line.find("objs/") == 0:
line = fd.readline()
line = line.strip()
if line[0] != '/':
line = os.path.realpath(line)
sources.append(line)
fd.close()
except Exception as e:
print("open \"objs/Makefile\" failed, %s"%(str(e)))
sys.exit(1)
os.chdir(chromium_root)
os.system("git checkout net/BUILD.gn")
os.system("mv net/BUILD.gn net/BUILD.gn.old")
try:
in_fd = open("net/BUILD.gn.old", "r")
out_fd = open("net/BUILD.gn", "w")
while True:
line = in_fd.readline()
if line == "":
break
if line.find(""" executable("quic_client_for_interop_test") """) == 0:
out_fd.writelines(""" executable("nginx") {\n""")
out_fd.writelines(""" sources = [\n""")
for m in sources:
out_fd.writelines(""" "%s",\n"""%(m))
out_fd.writelines(""" ]\n""")
out_fd.writelines(""" include_dirs = [\n""")
for a in include_dirs:
out_fd.writelines(""" "%s",\n"""%(a))
out_fd.writelines(""" ]\n""")
out_fd.writelines(""" deps = [\n""")
out_fd.writelines(""" ":epoll_quic_tools",\n""")
out_fd.writelines(""" ":epoll_server",\n""")
out_fd.writelines(""" ":net",\n""")
out_fd.writelines(""" ":simple_quic_tools",\n""")
out_fd.writelines(""" "//base",\n""")
out_fd.writelines(""" "//third_party/boringssl",\n""")
out_fd.writelines(""" ]\n""")
out_fd.writelines(""" lib_dirs = [\n""")
out_fd.writelines(""" # -L your libdir\n""")
for l in lib_dirs:
out_fd.writelines(""" "%s",\n"""%(l))
out_fd.writelines(""" ]\n""")
out_fd.writelines(""" libs = [\n""")
out_fd.writelines(""" # dynamic library: pthread or static library: /path/xxx.a\n""")
for l in libs:
out_fd.writelines(""" "%s",\n"""%(l))
out_fd.writelines(""" ]\n""")
out_fd.writelines(""" cflags_c = [\n""")
for f in flags_c:
out_fd.writelines(""" "%s",\n"""%(f))
out_fd.writelines(""" ]\n""")
out_fd.writelines(""" }\n\n""")
out_fd.writelines(line)
out_fd.close()
in_fd.close()
except Exception as e:
print("write nginx.gn failed. %s"%(str(e)))