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Increased network buffer size for python scripts (and raise exception if capacity reached).

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Signed-off-by: Toni Uhlig <matzeton@googlemail.com>
This commit is contained in:
Toni Uhlig
2021-01-08 10:54:44 +01:00
parent f637802c0a
commit b82a535a45
2 changed files with 8 additions and 1 deletions
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4
config.h
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@@ -7,6 +7,10 @@
#define DISTRIBUTOR_HOST "127.0.0.1"
#define DISTRIBUTOR_PORT 7000
/*
* NOTE: Buffer size needs to keep in sync with other implementations
* e.g. dependencies/nDPIsrvd.py
*/
#define NETWORK_BUFFER_MAX_SIZE 9728 /* 8192 + 1024 + 512 */
/* nDPId default config options */

5
dependencies/nDPIsrvd.py vendored
View File

@@ -14,7 +14,7 @@ DEFAULT_PORT = 7000
DEFAULT_UNIX = '/tmp/ndpid-distributor.sock'
NETWORK_BUFFER_MIN_SIZE = 5
NETWORK_BUFFER_MAX_SIZE = 9216 # Please keep this value in sync with the one in config.h
NETWORK_BUFFER_MAX_SIZE = 9728 # Please keep this value in sync with the one in config.h
PKT_TYPE_ETH_IP4 = 0x0800
PKT_TYPE_ETH_IP6 = 0x86DD
@@ -59,6 +59,9 @@ class nDPIsrvdSocket:
self.digitlen = 0
def receive(self):
if len(self.buffer) == NETWORK_BUFFER_MAX_SIZE:
raise RuntimeError('buffer capacity reached ({} bytes), check if it is in sync with nDPId\'s NETWORK_BUFFER_MAX_SIZE'.format(NETWORK_BUFFER_MAX_SIZE))
recvd = self.sock.recv(NETWORK_BUFFER_MAX_SIZE - len(self.buffer))
if len(recvd) == 0: