def pubone(file_name,alg,host):
"""
@brief Do a NetInf PUBLISH for one file
@param file_name is the file to do now
"""
hash_alg=alg
scheme="ni"
rform="json"
ext="{ \"meta\": { \"pubdirs\" : \"yep\" } }"
# record start time of this
stime=time.time()
# Create NIdigester for use with form encoder and StreamingHTTP
ni_digester = NIdigester()
# Install the template URL built from the scheme, the authority and the digest algorithm
rv = ni_digester.set_url((scheme, host, "/%s" % hash_alg))
if rv != ni_errs.niSUCCESS:
nilog("Cannot construct valid ni URL: %s" % ni_errs_txt[rv])
return
debug(ni_digester.get_url())
# Open the file if possible
try:
f = open(file_name, "rb")
except Exception, e :
debug("Cannot open file %s: Error: %s" %(file_name, str(e)))
return
if options.html:
rform = "html"
elif options.plain:
rform = "plain"
else:
rform = "json"
debug("Response type requested: %s" % rform)
# Where to send the publish request.
http_url = "http://%s/netinfproto/publish" % destination
debug("Accessing: %s" % http_url)
# Handle full_put = True cases - we have a file with the octets in it
if full_put:
# Create NIdigester for use with form encoder and StreamingHTTP
ni_digester = NIdigester()
# Install the template URL built from the scheme, the authority and the digest algorithm
rv = ni_digester.set_url((scheme, authority, "/%s" % hash_alg))
if rv != ni_errs.niSUCCESS:
print("Cannot construct valid ni URL: %s" % ni_errs_txt[rv])
sys.exit(-4)
debug(ni_digester.get_url())
# Open the file if possible
try:
f = open(options.file_name, "rb")
except Exception, e :
debug("Cannot open file %s: Error: %s" %(options.file_name, str(e)))
parser.error("Unable to open file %s: Error: %s" % (options.file_name, str(e)))
sys.exit(-5)
def publish_with_http(ni_name, destination, authority, hash_alg, ext, locs,
scheme, full_put, file_name, rform, verbose):
"""
@brief Action a NetInf publish request using the HTTP convergence layer
@param ni_name NIname object instance or None - ni URI to publish if
given on comand line - otherwise will be constructed
@param destination string netloc (FQDN or IP address with optional port)
indicating where to send publish request
@param authority string netloc component to insert into ni name (may be "")
@param hash_alg string name of hash algorithm used for ni URI
@param ext string additional information to send with request if any
@param locs list of strings with locators to publish
@param scheme URI scheme used for ni URI
@param full_put boolean True if the file_name with the content was given
@param file_name string name of file to publish or None if only doing metadata
@param rform string request format of response
@param verbose bolean indicates how much error message output is produced
@return 2-tuple - target - string the actual ni name published
payload - string - the response received on publication
"""
# Where to send the publish request.
http_url = "http://%s/netinfproto/publish" % destination
debug("Publishing via: %s" % http_url)
# Handle full_put = True cases - we have a file with the octets in it
if full_put:
# Create NIdigester for use with form encoder and StreamingHTTP
ni_digester = NIdigester()
# Install the template URL built from the scheme, the authority and the digest algorithm
rv = ni_digester.set_url((scheme, authority, "/%s" % hash_alg))
if rv != ni_errs.niSUCCESS:
raise PublishFailure("Cannot construct valid ni URL: %s" %
ni_errs_txt[rv], -10)
debug(ni_digester.get_url())
# Open the file if possible
try:
f = open(file_name, "rb")
except Exception, e :
raise PublishFailure("Unable to open file %s: Error: %s" %
(file_name, str(e)), -11)
# Guess the mimetype of the file
m = magic.Magic(mime=True)
ctype = m.from_file(file_name)
debug("Content-Type: %s" % ctype)
if ctype is None:
# Guessing didn't work - default
ctype = "application/octet-stream"
# Set up HTTP form data for publish request
# Make parameter for file with digester
octet_param = MultipartParam("octets",
fileobj=f,
filetype=ctype,
filename=file_name,
digester = ni_digester)
# Make dictionary that will dynamically retrieve ni URI when it has been made
uri_dict = { "generator": octet_param.get_url,
"length": (len(ni_digester.get_url()) + len(";") +
ni_digester.get_b64_encoded_length())}
param_list = [octet_param,
("URI", uri_dict),
("msgid", str(random.randint(1, 32000))),
("ext", ext),
("fullPut", "yes"),
("rform", rform)]