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nic_router: add verbose_packets attribute

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This separates the decision wether to log the received and sent packets
from the 'verbose' attribute. This information is now only logged if
'verbose_packets' is switched on. If 'verbose' is switched on, only
routing decisions and optional hints are printed.

Ref #2670
This commit is contained in:
Martin Stein 2018-02-04 15:38:08 +01:00 committed by Christian Helmuth
parent b69134f1fe
commit bd16f89617
6 changed files with 31 additions and 4 deletions
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1
repos/libports/run/nic_router.run
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@ -213,6 +213,7 @@ append config {
<resource name="RAM" quantum="10M"/> <resource name="RAM" quantum="10M"/>
<provides><service name="Nic"/></provides> <provides><service name="Nic"/></provides>
<config verbose="no" <config verbose="no"
verbose_packets="no"
verbose_domain_state="yes" verbose_domain_state="yes"
dhcp_discover_timeout_sec="3" dhcp_discover_timeout_sec="3"
dhcp_request_timeout_sec="3" dhcp_request_timeout_sec="3"

21
repos/os/src/server/nic_router/README
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@ -357,6 +357,27 @@ The attributes of the 'report' tag:
'interval_sec' : 1..3600 : Interval of sending reports in seconds 'interval_sec' : 1..3600 : Interval of sending reports in seconds
Verbosity
#########
This is how you can configure the routers verbosity on its environment LOG
session:
! <config verbose="yes">
Log router decisions and optional hints.
! <config verbose_packets="yes">
Log most important protocol header fields of each packet that is received or
sent by the router (ETH, IPv4, ARP, UDP, TCP, DHCP).
! <config verbose_domain_state="yes">
Log most important changes in the state of a domain (number of nic sessions
connected, current IPv4 config).
Examples Examples
######## ########

1
repos/os/src/server/nic_router/config.xsd
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@ -148,6 +148,7 @@
</xs:choice> </xs:choice>
<xs:attribute name="verbose" type="Boolean" /> <xs:attribute name="verbose" type="Boolean" />
<xs:attribute name="verbose_packets" type="Boolean" />
<xs:attribute name="verbose_domain_state" type="Boolean" /> <xs:attribute name="verbose_domain_state" type="Boolean" />
<xs:attribute name="dhcp_discover_timeout_sec" type="Seconds" /> <xs:attribute name="dhcp_discover_timeout_sec" type="Seconds" />
<xs:attribute name="dhcp_request_timeout_sec" type="Seconds" /> <xs:attribute name="dhcp_request_timeout_sec" type="Seconds" />

6
repos/os/src/server/nic_router/configuration.cc
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@ -32,8 +32,10 @@ Configuration::Configuration(Env &env,
Allocator &alloc, Allocator &alloc,
Timer::Connection &timer) Timer::Connection &timer)
: :
_alloc(alloc), _verbose(node.attribute_value("verbose", false)), _alloc(alloc),
_verbose_domain_state(node.attribute_value("verbose_domain_state", false)), _verbose (node.attribute_value("verbose", false)),
_verbose_packets (node.attribute_value("verbose_packets", false)),
_verbose_domain_state (node.attribute_value("verbose_domain_state", false)),
_dhcp_discover_timeout(read_sec_attr(node, "dhcp_discover_timeout_sec", DEFAULT_DHCP_DISCOVER_TIMEOUT_SEC)), _dhcp_discover_timeout(read_sec_attr(node, "dhcp_discover_timeout_sec", DEFAULT_DHCP_DISCOVER_TIMEOUT_SEC)),
_dhcp_request_timeout (read_sec_attr(node, "dhcp_request_timeout_sec", DEFAULT_DHCP_REQUEST_TIMEOUT_SEC )), _dhcp_request_timeout (read_sec_attr(node, "dhcp_request_timeout_sec", DEFAULT_DHCP_REQUEST_TIMEOUT_SEC )),
_dhcp_offer_timeout (read_sec_attr(node, "dhcp_offer_timeout_sec", DEFAULT_DHCP_OFFER_TIMEOUT_SEC )), _dhcp_offer_timeout (read_sec_attr(node, "dhcp_offer_timeout_sec", DEFAULT_DHCP_OFFER_TIMEOUT_SEC )),

2
repos/os/src/server/nic_router/configuration.h
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@ -32,6 +32,7 @@ class Net::Configuration
Genode::Allocator &_alloc; Genode::Allocator &_alloc;
bool const _verbose; bool const _verbose;
bool const _verbose_packets;
bool const _verbose_domain_state; bool const _verbose_domain_state;
Genode::Microseconds const _dhcp_discover_timeout; Genode::Microseconds const _dhcp_discover_timeout;
Genode::Microseconds const _dhcp_request_timeout; Genode::Microseconds const _dhcp_request_timeout;
@ -64,6 +65,7 @@ class Net::Configuration
***************/ ***************/
bool verbose() const { return _verbose; } bool verbose() const { return _verbose; }
bool verbose_packets() const { return _verbose_packets; }
bool verbose_domain_state() const { return _verbose_domain_state; } bool verbose_domain_state() const { return _verbose_domain_state; }
Genode::Microseconds dhcp_discover_timeout() const { return _dhcp_discover_timeout; } Genode::Microseconds dhcp_discover_timeout() const { return _dhcp_discover_timeout; }
Genode::Microseconds dhcp_request_timeout() const { return _dhcp_request_timeout; } Genode::Microseconds dhcp_request_timeout() const { return _dhcp_request_timeout; }

4
repos/os/src/server/nic_router/interface.cc
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@ -879,7 +879,7 @@ void Interface::_handle_eth(void *const eth_base,
/* inspect and handle ethernet frame */ /* inspect and handle ethernet frame */
try { try {
Ethernet_frame *const eth = reinterpret_cast<Ethernet_frame *>(eth_base); Ethernet_frame *const eth = reinterpret_cast<Ethernet_frame *>(eth_base);
if (_config().verbose()) { if (_config().verbose_packets()) {
log("(router <- ", _domain, ") ", *eth); } log("(router <- ", _domain, ") ", *eth); }
if (_domain.ip_config().valid) { if (_domain.ip_config().valid) {
@ -953,7 +953,7 @@ void Interface::_send_submit_pkt(Packet_descriptor &pkt,
{ {
_source().submit_packet(pkt); _source().submit_packet(pkt);
_domain.raise_tx_bytes(pkt_size); _domain.raise_tx_bytes(pkt_size);
if (_config().verbose()) { if (_config().verbose_packets()) {
log("(", _domain, " <- router) ", log("(", _domain, " <- router) ",
*reinterpret_cast<Ethernet_frame *>(pkt_base)); *reinterpret_cast<Ethernet_frame *>(pkt_base));
} }