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[github55] Merge branch 'perfdhcp-late-exit-delay' of https://github.com/andreipavelQ/kea into github55

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# Conflicts:
#	src/bin/perfdhcp/perfdhcp.xml
This commit is contained in:
Tomek Mrugalski
2018-02-14 12:36:07 +00:00
parent d681997141 02d6855f8b
commit 016a8b81c3
5 changed files with 133 additions and 30 deletions
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30
src/bin/perfdhcp/command_options.cc
View File

@@ -124,6 +124,7 @@ CommandOptions::reset() {
mac_list_file_.clear();
mac_list_.clear();
num_request_.clear();
late_exit_delay_ = 0;
period_ = 0;
drop_time_set_ = 0;
drop_time_.assign(dt, dt + 2);
@@ -216,7 +217,7 @@ CommandOptions::initialize(int argc, char** argv, bool print_cmd_line) {
// In this section we collect argument values from command line
// they will be tuned and validated elsewhere
while((opt = getopt(argc, argv, "hv46A:r:t:R:b:n:p:d:D:l:P:a:L:M:"
while((opt = getopt(argc, argv, "hv46A:r:t:R:b:n:p:d:D:l:P:a:L:M:m:"
"s:iBc1T:X:O:E:S:I:x:w:e:f:F:")) != -1) {
stream << " -" << static_cast<char>(opt);
if (optarg) {
@@ -307,7 +308,7 @@ CommandOptions::initialize(int argc, char** argv, bool print_cmd_line) {
max_pdrop_.push_back(drop_percent);
} else {
num_drops = positiveInteger("value of max drops number:"
" -d<value> must be a positive integer");
" -D<value> must be a positive integer");
max_drop_.push_back(num_drops);
}
break;
@@ -368,6 +369,13 @@ CommandOptions::initialize(int argc, char** argv, bool print_cmd_line) {
loadMacs();
break;
case 'm':
// 'm' for moratorium
late_exit_delay_ = nonNegativeInteger("value of late exit delay: "
"-m<value> must not be a "
"negative integer");
break;
case 'n':
num_req = positiveInteger("value of num-request:"
" -n<value> must be a positive integer");
@@ -981,6 +989,7 @@ CommandOptions::usage() const {
" [-n<num-request>] [-p<test-period>] [-d<drop-time>]\n"
" [-D<max-drop>] [-l<local-addr|interface>] [-P<preload>]\n"
" [-a<aggressivity>] [-L<local-port>] [-s<seed>] [-i] [-B]\n"
" [-m<late-exit-delay>]\n"
" [-c] [-1] [-M<mac-list-file>] [-T<template-file>]\n"
" [-X<xid-offset>] [-O<random-offset] [-E<time-offset>]\n"
" [-S<srvid-offset>] [-I<ip-offset>] [-x<diagnostic-selector>]\n"
@@ -1098,12 +1107,12 @@ CommandOptions::usage() const {
"\n"
"The remaining options are used only in conjunction with -r:\n"
"\n"
"-D<max-drop>: Abort the test if more than <max-drop> requests have\n"
" been dropped. Use -D0 to abort if even a single request has been\n"
" dropped. If <max-drop> includes the suffix '%', it specifies a\n"
" maximum percentage of requests that may be dropped before abort.\n"
" In this case, testing of the threshold begins after 10 requests\n"
" have been expected to be received.\n"
"-D<max-drop>: Abort the test immediately if max-drop requests have\n"
" been dropped. max-drop must be a positive integer. If max-drop\n"
" includes the suffix '%', it specifies a maximum percentage of\n"
" requests that may be dropped before abort. In this case, testing\n"
" of the threshold begins after 10 requests have been expected to\n"
" be received.\n"
"-n<num-request>: Initiate <num-request> transactions. No report is\n"
" generated until all transactions have been initiated/waited-for,\n"
" after which a report is generated and the program terminates.\n"
@@ -1133,6 +1142,5 @@ CommandOptions::version() const {
std::cout << "VERSION: " << VERSION << std::endl;
}
} // namespace perfdhcp
} // namespace isc
} // namespace perfdhcp
} // namespace isc

11
src/bin/perfdhcp/command_options.h
View File

@@ -247,6 +247,11 @@ public:
/// \return local port number.
int getLocalPort() const { return local_port_; }
/// @brief Returns the time in microseconds to delay the program by.
///
/// @return the time in microseconds to delay the program by.
int getLateExitDelay() const { return late_exit_delay_; }
/// \brief Checks if seed provided.
///
/// \return true if seed was provided.
@@ -512,6 +517,8 @@ private:
/// Collection of base values specified with -b<value>
/// options. Supported "bases" are mac=<mac> and duid=<duid>
std::vector<std::string> base_;
/// Number of microseconds by which you should delay the exit
int late_exit_delay_;
/// Number of 2 or 4-way exchanges to perform.
std::vector<int> num_request_;
/// Test period in seconds
@@ -594,7 +601,7 @@ private:
uint8_t v6_relay_encapsulation_level_;
};
} // namespace perfdhcp
} // namespace isc
} // namespace perfdhcp
} // namespace isc
#endif // COMMAND_OPTIONS_H

18
src/bin/perfdhcp/perfdhcp.xml
View File

@@ -711,14 +711,18 @@
<term><option>-D <replaceable class="parameter">max-drop</replaceable></option></term>
<listitem>
<para>
Abort the test if more than <replaceable class="parameter">max-drop</replaceable>
requests have been dropped. Use <option>-D
Abort the test immediately if <replaceable
class="parameter">max-drop</replaceable> requests
have been dropped. Use <option>-D
0</option> to abort if even a single
request has been dropped. If <replaceable class="parameter">max-drop</replaceable> includes
the suffix '%', it specifies a maximum percentage
of requests that may be dropped before abort.
In this case, testing of the threshold begins after
10 requests have been expected to be received.
request has been dropped. <replaceable
class="parameter">max-drop</replaceable> must be a
positive integer. If <replaceable
class="parameter">max-drop</replaceable> includes
the suffix '%', it specifies a maximum percentage of
requests that may be dropped before abort. In this
case, testing of the threshold begins after 10
requests have been expected to be received.
</para>
</listitem>
</varlistentry>

88
src/bin/perfdhcp/test_control.cc
View File

@@ -42,6 +42,68 @@ namespace perfdhcp {
bool TestControl::interrupted_ = false;
ptime late_exit_target_time_ = ptime(not_a_date_time);
bool
TestControl::hasLateExitCommenced() const {
return !late_exit_target_time_.is_not_a_date_time();
}
bool
TestControl::lateExit() const {
if (haveAllPacketsBeenReceived()) {
return true;
}
const ptime now = microsec_clock::universal_time();
if (late_exit_target_time_.is_not_a_date_time()) {
CommandOptions& options = CommandOptions::instance();
late_exit_target_time_ =
now + time_duration(microseconds(options.getLateExitDelay()));
}
if (late_exit_target_time_ <= now) {
return true;
}
return false;
}
bool
TestControl::haveAllPacketsBeenReceived() const {
const CommandOptions& options = CommandOptions::instance();
const uint8_t& ipversion = options.getIpVersion();
const std::vector<int>& num_request = options.getNumRequests();
const size_t& num_request_size = num_request.size();
if (num_request_size == 0) {
return false;
}
const uint32_t& request_count_DO_SA = num_request[0];
uint32_t request_count_RA_RR;
if (num_request_size >= 2) {
request_count_RA_RR = num_request[1];
} else {
request_count_RA_RR = num_request[0];
}
if (ipversion == 4) {
if (stats_mgr4_->getRcvdPacketsNum(StatsMgr4::XCHG_DO) !=
request_count_DO_SA ||
stats_mgr4_->getRcvdPacketsNum(StatsMgr4::XCHG_RA) !=
request_count_RA_RR) {
return false;
}
} else if (ipversion == 6) {
if (stats_mgr6_->getRcvdPacketsNum(StatsMgr6::XCHG_SA) !=
request_count_DO_SA ||
stats_mgr6_->getRcvdPacketsNum(StatsMgr6::XCHG_RR) !=
request_count_RA_RR) {
return false;
}
}
return true;
}
TestControl::TestControlSocket::TestControlSocket(const int socket) :
SocketInfo(asiolink::IOAddress("127.0.0.1"), 0, socket),
ifindex_(0), valid_(true) {
@@ -196,7 +258,9 @@ TestControl::checkExitConditions() const {
if (testDiags('e')) {
std::cout << "reached test-period." << std::endl;
}
return (true);
if (lateExit()) {
return true;
}
}
bool max_requests = false;
@@ -232,7 +296,9 @@ TestControl::checkExitConditions() const {
if (testDiags('e')) {
std::cout << "Reached max requests limit." << std::endl;
}
return (true);
if (lateExit()) {
return true;
}
}
// Check if we reached maximum number of drops of OFFER/ADVERTISE packets.
@@ -268,7 +334,9 @@ TestControl::checkExitConditions() const {
if (testDiags('e')) {
std::cout << "Reached maximum drops number." << std::endl;
}
return (true);
if (lateExit()) {
return true;
}
}
// Check if we reached maximum drops percentage of OFFER/ADVERTISE packets.
@@ -313,7 +381,9 @@ TestControl::checkExitConditions() const {
if (testDiags('e')) {
std::cout << "Reached maximum percentage of drops." << std::endl;
}
return (true);
if (lateExit()) {
return true;
}
}
return (false);
}
@@ -1485,8 +1555,10 @@ TestControl::run() {
break;
}
// Initiate new DHCP packet exchanges.
sendPackets(socket, packets_due);
if (!hasLateExitCommenced()) {
// Initiate new DHCP packet exchanges.
sendPackets(socket, packets_due);
}
// If -f<renew-rate> option was specified we have to check how many
// Renew packets should be sent to catch up with a desired rate.
@@ -2265,5 +2337,5 @@ TestControl::testDiags(const char diag) const {
return (false);
}
} // namespace perfdhcp
} // namespace isc
} // namespace perfdhcp
} // namespace isc

16
src/bin/perfdhcp/test_control.h
View File

@@ -136,6 +136,18 @@ public:
/// Packet template buffers list.
typedef std::vector<TemplateBuffer> TemplateBufferCollection;
/// @brief Delay the exit by a fixed given time to catch up to all exchanges
/// that were already started.
bool lateExit() const;
/// @brief Check if the program is in that period where the program was
/// bound to exit, but was delayed by lateExit().
bool hasLateExitCommenced() const;
/// @brief Delay the exit by a fixed given time to catch up to all exchanges
/// that were already started.
bool haveAllPacketsBeenReceived() const;
/// \brief Socket wrapper structure.
///
/// This is the wrapper that holds descriptor of the socket
@@ -1136,7 +1148,7 @@ protected:
static bool interrupted_; ///< Is program interrupted.
};
} // namespace perfdhcp
} // namespace isc
} // namespace perfdhcp
} // namespace isc
#endif // TEST_CONTROL_H