def request(context, flow):
print flow.request.path
m = re.match("^/geoserver/i/([\d]+)/([\d]+)/([\d]+)$", flow.request.path)
if m is not None:
print "match success!"
imagename = flow.request.path_components[1] + '_' + flow.request.path_components[2] + '_' + flow.request.path_components[3] + '_' + flow.request.path_components[4];
imagequerycache = "/home/root/accesscache " + imagename;
imagequerycacheresult = os.popen(imagequerycache).read();
if (imagequerycacheresult != "No" and imagequerycacheresult != "ERROR"):
resp = HTTPResponse(
"HTTP/1.1", 200, "OK", Headers(Content_Type="image/png"), "helloworld")
with open(imagequerycacheresult, 'r') as f:
payload = f.read()
resp.content = payload
resp.headers["Content-Length"] = str(len(payload))
resp.headers["Access-Control-Allow-Origin"] = "*"
print len(payload)
f.close()
flow.reply(resp)
return
else:
imagefilepath = "/home/root/bpqrecv/" + imagename;
randregid = randrange(0, 32768);
print randregid;
querycomm = "/home/root/DTN2/apps/dtnquery/dtnquery -m send -s dtn://dtn1.dtn -d dtn://dtn2.dtn -q " + imagename + " -i " + str(randregid);
print querycomm;
os.system(querycomm);
for x in range(0, 60):
imagequerycacheresult = os.popen(imagequerycache).read();
if (imagequerycacheresult != "No" and imagequerycacheresult != "ERROR"):
resp = HTTPResponse(
"HTTP/1.1", 200, "OK", Headers(Content_Type="image/png"), "helloworld")
with open(imagequerycacheresult, 'r') as f:
payload = f.read()
resp.content = payload
resp.headers["Content-Length"] = str(len(payload))
resp.headers["Access-Control-Allow-Origin"] = "*"
print len(payload)
f.close()
flow.reply(resp)
return
else:
time.sleep(1);
z = re.match("^/geoserver/z/([\d]+)/([\d]+)/([\d]+)$", flow.request.path)
if z is not None:
vectorname = flow.request.path_components[1] + '_' + flow.request.path_components[2] + '_' + flow.request.path_components[3] + '_' + flow.request.path_components[4]
vectorquerycache = "/tmp/ramdisk0/accesscache " + vectorname;
vectorquerycacheresult = os.popen(vectorquerycache).read();
if (vectorquerycacheresult != "No" and vectorquerycacheresult != "ERROR"):
resp = HTTPResponse(
"HTTP/1.1", 200, "OK", Headers(Content_Type="application/octet-stream"), "helloworld")
with open(vectorquerycacheresult, 'r') as f:
payload = f.read()
resp.content = payload
resp.headers["Content-Length"] = str(len(payload))
resp.headers["Access-Control-Allow-Origin"] = "*"
resp.headers["Cache-Control"]= "public, max-age=86400"
print len(payload)
f.close()
flow.reply(resp)
return
else:
waitingcomm = "/tmp/ramdisk0/waiting " + vectorname;
os.system(waitingcomm);
vectorquerycacheresult = os.popen(vectorquerycache).read();
print "vectorquerycacheresult: " + vectorquerycacheresult;
if (vectorquerycacheresult != "No" and vectorquerycacheresult != "ERROR"):
resp = HTTPResponse(
"HTTP/1.1", 200, "OK", Headers(Content_Type="application/octet-stream"), "helloworld")
with open(vectorquerycacheresult, 'r') as f:
payload = f.read()
resp.content = payload
resp.headers["Content-Length"] = str(len(payload))
resp.headers["Access-Control-Allow-Origin"] = "*"
resp.headers["Cache-Control"]= "public, max-age=86400"
print len(payload)
f.close()
flow.reply(resp)
return
v = re.match("^/geoserver/v/([\d]+)/([\d]+)/([\d]+)$", flow.request.path)
if v is not None:
vectorname = flow.request.path_components[1] + '_' + flow.request.path_components[2] + '_' + flow.request.path_components[3] + '_' + flow.request.path_components[4]
print "vectorname: " + vectorname;
vectorquerycache = "/tmp/ramdisk0/accesscache " + vectorname;
vectorquerycacheresult = os.popen(vectorquerycache).read();
if (vectorquerycacheresult != "No" and vectorquerycacheresult != "ERROR"):
resp = HTTPResponse(
"HTTP/1.1", 200, "OK", Headers(Content_Type="application/json"), "helloworld")
with open(vectorquerycacheresult, 'r') as f:
payload = f.read()
resp.content = payload
resp.headers["Content-Length"] = str(len(payload))
resp.headers["Access-Control-Allow-Origin"] = "*"
resp.headers["Cache-Control"]= "public, max-age=86400"
print len(payload)
f.close()
flow.reply(resp)
return
else:
waitingcomm = "/tmp/ramdisk0/waiting " + vectorname;
os.system(waitingcomm);
vectorquerycacheresult = os.popen(vectorquerycache).read();
if (vectorquerycacheresult != "No" and vectorquerycacheresult != "ERROR"):
resp = HTTPResponse(
"HTTP/1.1", 200, "OK", Headers(Content_Type="application/json"), "helloworld")
with open(vectorquerycacheresult, 'r') as f:
payload = f.read()
resp.content = payload
resp.headers["Content-Length"] = str(len(payload))
resp.headers["Access-Control-Allow-Origin"] = "*"
resp.headers["Cache-Control"]= "public, max-age=86400"
print len(payload)
f.close()
flow.reply(resp)
return
resp = HTTPResponse(
"HTTP/1.1", 404, "Not Found", Headers(Content_Type="text/html"), "Not Found")
resp.headers["Content-Length"] = str(len("Not Found"))
flow.reply(resp)
