Boston, MA 02111-1307, USA.
*/
/**
- * @file ats/perf_ats.c
- * @brief ats benchmark: start peers and modify preferences, monitor change over time
+ * @file ats-tests/ats-testing.h
+ * @brief ats testing library: setup topology and provide logging to test ats
* @author Christian Grothoff
* @author Matthias Wachs
*/
#include "gnunet_ats_service.h"
#include "gnunet_core_service.h"
-#define TEST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 120)
-#define BENCHMARK_DURATION GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 10)
-#define LOGGING_FREQUENCY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 500)
-#define TESTNAME_PREFIX "perf_ats_"
-#define DEFAULT_SLAVES_NUM 2
-#define DEFAULT_MASTERS_NUM 1
-
-#define TEST_ATS_PREFRENCE_FREQUENCY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
-#define TEST_ATS_PREFRENCE_START 1.0
-#define TEST_ATS_PREFRENCE_DELTA 1.0
+#define TEST_ATS_PREFERENCE_DEFAULT 1.0
+/**
+ * Message type sent for traffic generation
+ */
#define TEST_MESSAGE_TYPE_PING 12345
-#define TEST_MESSAGE_TYPE_PONG 12346
-#define TEST_MESSAGE_SIZE 1000
-#define TEST_MESSAGE_FREQUENCY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
-
/**
- * Overall state of the performance benchmark
+ * Message type sent as response during traffic generation
*/
-struct BenchmarkState
-{
- /**
- * Are we connected to ATS service of all peers: GNUNET_YES/NO
- */
- int connected_ATS_service;
-
- /**
- * Are we connected to CORE service of all peers: GNUNET_YES/NO
- */
- int connected_COMM_service;
-
- /**
- * Are we connected to all peers: GNUNET_YES/NO
- */
- int connected_PEERS;
-
- /**
- * Are we connected to all slave peers on CORE level: GNUNET_YES/NO
- */
- int connected_CORE;
-
- /**
- * Are we connected to CORE service of all peers: GNUNET_YES/NO
- */
- int benchmarking;
-};
-
+#define TEST_MESSAGE_TYPE_PONG 12346
/**
- * Information about a benchmarking partner
+ * Size of test messages
*/
-struct BenchmarkPartner
-{
- /**
- * The peer itself this partner belongs to
- */
- struct BenchmarkPeer *me;
-
- /**
- * The partner peer
- */
- struct BenchmarkPeer *dest;
-
- /**
- * Core transmit handles
- */
- struct GNUNET_CORE_TransmitHandle *cth;
-
- /**
- * Transport transmit handles
- */
- struct GNUNET_TRANSPORT_TransmitHandle *tth;
-
- /**
- * Timestamp to calculate communication layer delay
- */
- struct GNUNET_TIME_Absolute last_message_sent;
-
- /**
- * Accumulated RTT for all messages
- */
- unsigned int total_app_rtt;
-
- /**
- * Number of messages sent to this partner
- */
- unsigned int messages_sent;
-
- /**
- * Number of bytes sent to this partner
- */
- unsigned int bytes_sent;
+#define TEST_MESSAGE_SIZE 100
- /**
- * Number of messages received from this partner
- */
- unsigned int messages_received;
+struct BenchmarkPartner;
- /**
- * Number of bytes received from this partner
- */
- unsigned int bytes_received;
+struct BenchmarkPeer;
- /* Current ATS properties */
+struct GNUNET_ATS_TEST_Topology;
- uint32_t ats_distance;
+struct TrafficGenerator;
- uint32_t ats_delay;
+struct LoggingHandle;
- uint32_t bandwidth_in;
-
- uint32_t bandwidth_out;
- uint32_t ats_utilization_up;
-
- uint32_t ats_utilization_down;
-
- uint32_t ats_network_type;
-
- uint32_t ats_cost_wan;
-
- uint32_t ats_cost_lan;
-
- uint32_t ats_cost_wlan;
-};
+/**
+ * Callback to call when topology setup is completed
+ *
+ * @param cls the closure
+ * @param masters array of master peers
+ * @param slaves array of master peers
+ */
+typedef void (*GNUNET_ATS_TEST_TopologySetupDoneCallback) (void *cls,
+ struct BenchmarkPeer *masters,
+ struct BenchmarkPeer *slaves);
+/**
+ * Callback called when logging is required for the data contained
+ *
+ * @param cls the closure
+ * @param address an address
+ * @param address_active is address active
+ * @param bandwidth_out bandwidth outbound
+ * @param bandwidth_in bandwidth inbound
+ * @param ats ats information
+ * @param ats_count number of ats inforation
+ */
+typedef void
+(*GNUNET_ATS_TEST_LogRequest) (void *cls,
+ const struct GNUNET_HELLO_Address *address,
+ int address_active,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out,
+ struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in,
+ const struct GNUNET_ATS_Information *ats,
+ uint32_t ats_count);
/**
* Information we track for a peer in the testbed.
unsigned int total_bytes_received;
};
+struct TrafficGenerator
+{
+ struct TrafficGenerator *prev;
+ struct TrafficGenerator *next;
+
+ struct BenchmarkPeer *src;
+ struct BenchmarkPartner *dest;
+ unsigned int rate;
+ GNUNET_SCHEDULER_TaskIdentifier send_task;
+ struct GNUNET_TIME_Absolute next_ping_transmission;
+ struct GNUNET_TIME_Relative delta;
+};
+
+
/**
- * Connect peers with testbed
+ * Information about a benchmarking partner
*/
-struct TestbedConnectOperation
+struct BenchmarkPartner
{
/**
- * The benchmarking master initiating this connection
+ * The peer itself this partner belongs to
+ */
+ struct BenchmarkPeer *me;
+
+ /**
+ * The partner peer
+ */
+ struct BenchmarkPeer *dest;
+
+ /**
+ * Core transmit handles
+ */
+ struct GNUNET_CORE_TransmitHandle *cth;
+
+ /**
+ * Transport transmit handles
+ */
+ struct GNUNET_TRANSPORT_TransmitHandle *tth;
+
+ struct TrafficGenerator *tg;
+
+ /**
+ * Timestamp to calculate communication layer delay
+ */
+ struct GNUNET_TIME_Absolute last_message_sent;
+
+ /**
+ * Accumulated RTT for all messages
*/
- struct BenchmarkPeer *master;
+ unsigned int total_app_rtt;
/**
- * The benchmarking slave to connect to
+ * Number of messages sent to this partner
*/
- struct BenchmarkPeer *slave;
+ unsigned int messages_sent;
/**
- * Testbed operation to connect peers
+ * Number of bytes sent to this partner
*/
- struct GNUNET_TESTBED_Operation *connect_op;
+ unsigned int bytes_sent;
+
+ /**
+ * Number of messages received from this partner
+ */
+ unsigned int messages_received;
+
+ /**
+ * Number of bytes received from this partner
+ */
+ unsigned int bytes_received;
+
+ /* Current ATS properties */
+
+ uint32_t ats_distance;
+
+ uint32_t ats_delay;
+
+ uint32_t bandwidth_in;
+
+ uint32_t bandwidth_out;
+
+ uint32_t ats_utilization_up;
+
+ uint32_t ats_utilization_down;
+
+ uint32_t ats_network_type;
+
+ uint32_t ats_cost_wan;
+
+ uint32_t ats_cost_lan;
+
+ uint32_t ats_cost_wlan;
+};
+
+/**
+ * Overall state of the performance benchmark
+ */
+struct BenchmarkState
+{
+ /**
+ * Are we connected to ATS service of all peers: GNUNET_YES/NO
+ */
+ int connected_ATS_service;
+
+ /**
+ * Are we connected to CORE service of all peers: GNUNET_YES/NO
+ */
+ int connected_COMM_service;
+
+ /**
+ * Are we connected to all peers: GNUNET_YES/NO
+ */
+ int connected_PEERS;
+
+ /**
+ * Are we connected to all slave peers on CORE level: GNUNET_YES/NO
+ */
+ int connected_CORE;
+
+ /**
+ * Are we connected to CORE service of all peers: GNUNET_YES/NO
+ */
+ int benchmarking;
};
*/
int result;
- /**
- * Test result logging
- */
- int logging;
-
/**Test core (GNUNET_YES) or transport (GNUNET_NO)
*/
int test_core;
GNUNET_TRANSPORT_ReceiveCallback transport_recv_cb;
+ GNUNET_ATS_TEST_TopologySetupDoneCallback done_cb;
+ GNUNET_ATS_AddressInformationCallback ats_perf_cb;
+ void *done_cb_cls;
};
+enum OperationType
+{
+ START_SEND,
+ STOP_SEND,
+ SET_RATE,
+ SET_PREFERENCE
+};
+
+struct Episode;
+
+struct Experiment;
-struct GNUNET_ATS_TEST_Topology *
+typedef void (*GNUNET_ATS_TESTING_EpisodeDoneCallback) (
+ struct Episode *e);
+
+typedef void (*GNUNET_ATS_TESTING_ExperimentDoneCallback) (struct Experiment *e,
+ struct GNUNET_TIME_Relative duration,int success);
+
+struct Operation
+{
+ struct Operation *next;
+ struct Operation *prev;
+ long long unsigned int src_id;
+ long long unsigned int dest_id;
+ long long unsigned int value;
+ enum OperationType type;
+};
+
+struct Episode
+{
+ int id;
+ struct Episode *next;
+ struct GNUNET_TIME_Relative duration;
+
+ struct Operation *head;
+ struct Operation *tail;
+};
+
+
+struct Experiment
+{
+ char *name;
+ char *cfg_file;
+ unsigned long long int num_masters;
+ unsigned long long int num_slaves;
+ struct GNUNET_TIME_Relative max_duration;
+ struct GNUNET_TIME_Relative total_duration;
+ struct GNUNET_TIME_Absolute start_time;
+ unsigned int num_episodes;
+ struct Episode *start;
+
+ GNUNET_SCHEDULER_TaskIdentifier experiment_timeout_task;
+ GNUNET_SCHEDULER_TaskIdentifier episode_timeout_task;
+ struct Episode *cur;
+
+ GNUNET_ATS_TESTING_EpisodeDoneCallback ep_done_cb;
+ GNUNET_ATS_TESTING_ExperimentDoneCallback e_done_cb;
+};
+
+/*
+ * Experiment related functions
+ */
+
+
+/**
+ * Execute the specified experiment
+ *
+ * @param e the Experiment
+ * @param ep_done_cb a episode is completed
+ * @param e_done_cb the experiment is completed
+ */
+void
+GNUNET_ATS_TEST_experimentation_run (struct Experiment *e,
+ GNUNET_ATS_TESTING_EpisodeDoneCallback ep_done_cb,
+ GNUNET_ATS_TESTING_ExperimentDoneCallback e_done_cb);
+
+/**
+ * Load an experiment from a file
+ *
+ * @param filename the file
+ * @return the Experiment or NULL on failure
+ */
+struct Experiment *
+GNUNET_ATS_TEST_experimentation_load (char *filename);
+
+
+/**
+ * Stop an experiment
+ *
+ * @param e the experiment
+ */
+void
+GNUNET_ATS_TEST_experimentation_stop (struct Experiment *e);
+
+/*
+ * Traffic related functions
+ */
+
+void
+GNUNET_ATS_TEST_traffic_handle_ping (struct BenchmarkPartner *p);
+
+void
+GNUNET_ATS_TEST_traffic_handle_pong (struct BenchmarkPartner *p);
+
+
+struct TrafficGenerator *
+GNUNET_ATS_TEST_generate_traffic_start (struct BenchmarkPeer *src,
+ struct BenchmarkPartner *dest,
+ unsigned int rate,
+ struct GNUNET_TIME_Relative duration);
+
+void
+GNUNET_ATS_TEST_generate_traffic_stop (struct TrafficGenerator *tg);
+
+/**
+ * Stop all traffic generators
+ */
+void
+GNUNET_ATS_TEST_generate_traffic_stop_all ();
+
+
+/*
+ * Logging related functions
+ */
+
+/**
+ * Start logging
+ *
+ * @param log_frequency the logging frequency
+ * @param testname the testname
+ * @param masters the master peers used for benchmarking
+ * @param num_master the number of master peers
+ * @return the logging handle or NULL on error
+ */
+struct LoggingHandle *
+GNUNET_ATS_TEST_logging_start (struct GNUNET_TIME_Relative log_frequency,
+ char * testname,
+ struct BenchmarkPeer *masters,
+ int num_masters);
+
+/**
+ * Stop logging
+ *
+ * @param l the logging handle
+ */
+void
+GNUNET_ATS_TEST_logging_clean_up (struct LoggingHandle *l);
+
+/**
+ * Stop logging
+ *
+ * @param l the logging handle
+ */
+void
+GNUNET_ATS_TEST_logging_stop (struct LoggingHandle *l);
+
+/**
+ * Log all data now
+ *
+ * @param llogging handle to use
+ */
+void
+GNUNET_ATS_TEST_logging_now (struct LoggingHandle *l);
+
+
+/**
+ * Write logging data to file
+ *
+ * @param l logging handle to use
+ * @param test_name name of the current test
+ * @param plots create gnuplots: GNUNET_YES or GNUNET_NO
+ */
+void
+GNUNET_ATS_TEST_logging_write_to_file (struct LoggingHandle *l,
+ char *test_name, int plots);
+
+/*
+ * Topology related functions
+ */
+
+/**
+ * Create a topology for ats testing
+ *
+ * @param name test name
+ * @param cfg_file configuration file to use for the peers
+ * @param num_slaves number of slaves
+ * @param num_masters number of masters
+ * @param test_core connect to CORE service (GNUNET_YES) or transport (GNUNET_NO)
+ * @param done_cb function to call when topology is setup
+ * @param done_cb_cls cls for callback
+ * @param recv_cb callback to call when data are received
+ * @param perf_cb callback to call when performance info are received
+ */
+void
GNUNET_ATS_TEST_create_topology (char *name, char *cfg_file,
unsigned int num_slaves,
unsigned int num_masters,
- struct GNUNET_CORE_MessageHandler *handlers,
- GNUNET_TRANSPORT_ReceiveCallback transport_recv_cb);
+ int test_core,
+ GNUNET_ATS_TEST_TopologySetupDoneCallback done_cb,
+ void *done_cb_cls,
+ GNUNET_TRANSPORT_ReceiveCallback recv_cb,
+ GNUNET_ATS_TEST_LogRequest ats_perf_cb);
+/**
+ * Shutdown topology
+ */
void
-GNUNET_ATS_TEST_destroy_topology (struct GNUNET_ATS_TEST_Topology *top);
+GNUNET_ATS_TEST_shutdown_topology (void);
-/* end of file perf_ats.c */
+/* end of file ats-testing.h */