135 lines
4.3 KiB
C++
135 lines
4.3 KiB
C++
/**
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* @file tests/can_net_self_leader.cpp
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* @brief CAN Net node events (for application)
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* @date Dec 14, 2016
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* @author jjacobs
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* @copyright 2016 Dual Inventive Technology Centre B.V.
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*
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* Verify if self becomes leader
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* * Set self TYPE_DEVICE
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* * Set self ROLE_FOLLOWER
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* * Discover network (request)
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* * Discover network (finish)
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* * Verify ROLE_FOLLOWER -> ROLE_LEADER event on self
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* * Verify leadership
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*/
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#include "fixtures/CANTest.hpp"
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extern "C" {
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#include "time.c"
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}
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static size_t g_ev_idx = 0;
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static void net_self_leader_event_cb(const struct di_can_net *ctx,
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const enum di_can_net_node_events ev,
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const struct di_can_net_node *node)
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{
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(void)ctx;
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static const struct _tv {
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const enum di_can_net_node_events ev;
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const enum di_can_net_node_roles role;
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} tv[] = {
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{ DI_CAN_NET_NODE_EVENT_ROLE_LEADER, DI_CAN_NET_NODE_ROLE_FOLLOWER }
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};
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printf("[%s] event(%d): node: %04x, type: %02x, role: %02x\n", __func__, ev, node->nodeid, node->type, node->role);
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ASSERT_TRUE(di_can_net_node_is_self(ctx, node));
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ASSERT_EQ(0xdeadbeef, node->nodeid);
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ASSERT_EQ(DI_CAN_NET_NODE_TYPE_DEVICE, node->type);
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ASSERT_GT(DI_ARRAY_SIZE(tv), g_ev_idx);
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ASSERT_EQ(tv[g_ev_idx].ev, ev);
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ASSERT_EQ(tv[g_ev_idx].role, node->role);
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g_ev_idx++;
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}
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TEST_F(DI_CAN, net_self_leader) {
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SetNodeid(0xdeadbeef);
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di_can_net_node_set_event_callback(&_ctx, net_self_leader_event_cb);
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ASSERT_EQ(DNOK, di_can_net_self_set_node_type(&_ctx, DI_CAN_NET_NODE_TYPE_DEVICE));
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ASSERT_EQ(DNOK, di_can_net_self_set_node_role(&_ctx, DI_CAN_NET_NODE_ROLE_FOLLOWER));
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/* Check discover state and leadership */
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ASSERT_EQ(DI_CAN_NET_DISCOVER_STATE_UNKNOWN, _ctx.net.discover.state);
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ASSERT_FALSE(di_can_net_self_is_leader(&_ctx));
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/* Execute net subsystem once (results in discover request) */
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di_can_net_execute(&_ctx);
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ASSERT_EQ(DI_CAN_NET_DISCOVER_STATE_REQUEST, _ctx.net.discover.state);
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ASSERT_FALSE(di_can_net_self_is_leader(&_ctx));
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/* Force discover timeout, execute net subsystem (results in leadership) */
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_di_time_uptime = DI_CAN_NET_CFG_DISCOVER_TIMEOUT_MS;
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ASSERT_EQ(0U, g_ev_idx);
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di_can_net_execute(&_ctx);
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ASSERT_EQ(1U, g_ev_idx);
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g_ev_idx = 0;
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ASSERT_EQ(DI_CAN_NET_DISCOVER_STATE_FINISH, _ctx.net.discover.state);
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ASSERT_TRUE(di_can_net_self_is_leader(&_ctx));
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}
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/**
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* Verify the heartbeat is send every DI_CAN_NET_CFG_SELF_LEADER_HEARTBEAT_MS
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*/
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TEST_F(DI_CAN, net_self_leader_heartbeat) {
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struct di_can_msg *msg;
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const size_t n_publishes = 8; // TODO: if we send more messages than 8 we are unable to receive them in loopback mode
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SetNodeid(0xdeadbeef);
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ASSERT_EQ(DNOK, di_can_net_self_set_node_type(&_ctx, DI_CAN_NET_NODE_TYPE_DEVICE));
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_ctx.net.discover.state = DI_CAN_NET_DISCOVER_STATE_FINISH;
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_ctx.net.self.role = DI_CAN_NET_NODE_ROLE_LEADER;
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/* Execute net subsystem and check if first publish is send */
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_di_time_uptime = 0;
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ASSERT_EQ(0U, _ctx.net.self.seen);
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di_can_net_execute(&_ctx);
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ASSERT_EQ(DI_CAN_NET_CFG_SELF_LEADER_HEARTBEAT_MS, _ctx.net.self.seen);
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msg = di_can_recv(&_ctx, DI_CAN_MSGTYPE_NET);
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ASSERT_NE(nullptr, msg);
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/* Execute net subsystem second time, no publish is send (due to publish timeout not exceeded) */
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di_can_net_execute(&_ctx);
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msg = di_can_recv(&_ctx, DI_CAN_MSGTYPE_NET);
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ASSERT_EQ(nullptr, msg);
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/* Execute net subsystem 10 times (results in LEADER heartbeat publishes) */
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_di_time_uptime = DI_CAN_NET_CFG_SELF_LEADER_HEARTBEAT_MS;
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for (size_t n = 0; n < n_publishes; n++) {
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di_can_net_execute(&_ctx);
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_di_time_uptime += DI_CAN_NET_CFG_SELF_LEADER_HEARTBEAT_MS;
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}
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/* Verify 10 leader heartbeat publishes */
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for (size_t n = 0; n < n_publishes; n++) {
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msg = di_can_recv(&_ctx, DI_CAN_MSGTYPE_NET);
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if (!msg)
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ASSERT_TRUE(false) << "di_can_recv == NULL (n: " << n << ")";
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ASSERT_NE(nullptr, msg);
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ASSERT_EQ(DI_CAN_TRANSFERTYPE_PUBLISH, DI_CAN_GET_TRANSFERTYPE(msg->canid));
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ASSERT_EQ(DI_CAN_NET_DTYPE_HEARTBEAT, DI_CAN_GET_DATATYPE(msg->canid));
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ASSERT_TRUE(msg->broadcast);
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ASSERT_EQ(0xdeadbeef, msg->src_id);
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ASSERT_EQ(DI_CAN_NODEID_BROADCAST, msg->dst_id);
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/* Verify the payload struct */
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ASSERT_EQ(DI_CAN_PTYPE_STRUCT, msg->ptype);
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ASSERT_EQ(2U, msg->size);
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ASSERT_EQ(DI_CAN_NET_NODE_TYPE_DEVICE, msg->msg[0]);
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ASSERT_EQ(DI_CAN_NET_NODE_ROLE_LEADER, msg->msg[1]);
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di_can_msg_free(&msg);
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}
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}
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