Martin Stein
Christian Helmuth
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@ -1,49 +1,46 @@
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The 'ping' component continuously sends ICMP Echo or UDP requests to a given
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IP host and waits for the corresponding ICMP Echo or UDP replies. For each
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successfull ICMP Echo or UDP handshake it prints a short statistic. The ICMP
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data field gets filled with the letters of the alphabet ('a' to 'z') repeatedly.
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The 'sntp_client' component periodically requests the current time from a
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given SNTP server and reports it as GMT in a format that can also be used
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to re-program Genodes RTC driver.
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Configuration
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~~~~~~~~~~~~~
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This is an example configuration of the component which shows the default
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value for each attribute except 'config.dst_ip' and 'config.interface':
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This is an example configuration of the component with a static IP config,
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an individual request interval, and debugging output enabled:
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! <config interface="10.0.0.72/24"
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! gateway="10.0.0.1"
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! dst_ip="10.0.0.24"
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! dst_port="50000"
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! protocol="icmp"
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! period_sec="5"
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! verbose="no"
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! count="5" />
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! period_min="10"
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! verbose="yes" />
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This is an example configuration of the component with DHCP:
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! <config dst_ip="10.0.0.24" />
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This is a short description of the tags and attributes:
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:config.interface:
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Optional. IP address and subnet of the component. If not set, the component
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requests and maintains the IP configuration via DHCP.
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Optional. Determined via DHCP if not configured. IP address and subnet of
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the component. If not set, the component requests and maintains the IP
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configuration via DHCP.
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:config.gateway:
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Optional. IP address of the gateway of the IP subnet.
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Optional. Determined via DHCP if not configured. IP address of the gateway
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of the IP subnet.
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:config.dst_ip:
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Mandatory. IP address of the target host.
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Mandatory. IP address of the SNTP server.
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:config.period_sec:
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Optional. Length of send interval in seconds.
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:config.period_min:
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Optional. Default is 60. Length of request interval in minutes.
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:config.verbose:
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Optional. Toggles wether the component shall log debugging information.
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:config.count:
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Optional. After how many successful pings the component exits successfully.
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:config.dst_port:
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Optional. Destination port resp. ICMP query ID to use.
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:config.protocol:
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Optional. Protocol to ping with. Can be one of 'icmp', 'udp'.
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Optional. Default is "false". Toggles wether the component shall log
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debugging information.
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Sessions
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@ -52,11 +49,29 @@ Sessions
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This is an overview of the sessions required and provided by the
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component apart from the environment sessions:
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* Requires one Timer session.
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* One Timer session.
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* One Report session with label 'set_rtc'.
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Report 'set_rtc' provided by the component
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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This is an example content of the report:
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! <set_rtc year="2018"
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! month="11"
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! day="27"
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! hour="22"
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! minute="45"
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! second="32" />
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The format of the report is exactly what is expected by the Genode RTC driver.
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The time is given as GMT in 24H mode, leap seconds considered, but without
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taking the round trip time between SNTP server and client in account.
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Examples
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~~~~~~~~
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Examples of how to use the ping component can be found in the test scripts
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'os/run/ping.run' and 'os/run/ping_nic_router.run'.
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An example of how to use the component can be found in the test script
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'libports/run/sntp_client.run' and 'os/run/ping_nic_router.run'.
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@ -5,13 +5,6 @@
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<xs:include schemaLocation="net_types.xsd"/>
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<xs:include schemaLocation="timeout_types.xsd"/>
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<xs:simpleType name="Protocol">
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<xs:restriction base="xs:string">
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<xs:enumeration value="icmp" />
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<xs:enumeration value="udp" />
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</xs:restriction>
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</xs:simpleType><!-- Protocol -->
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<xs:element name="config">
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<xs:complexType>
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<xs:attribute name="verbose" type="Boolean" />
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@ -1,7 +1,7 @@
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/*
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* \brief Test the reachability of a host on an IP network
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* \brief Periodically Request time from SNTP server and report it
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* \author Martin Stein
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* \date 2018-03-27
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* \date 2019-06-27
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*/
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/*
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@ -76,7 +76,6 @@ class Main : public Nic_handler,
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Reconstructible<Ipv4_config> _ip_config { _config.attribute_value("interface", Ipv4_address_prefix()),
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_config.attribute_value("gateway", Ipv4_address()),
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Ipv4_address() };
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// Rtc::Connection _rtc { _env };
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Reporter reporter { _env, "set_rtc" };
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Sntp_timestamp _rtc_ts_to_sntp_ts(Rtc::Timestamp const rtc_ts)
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