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Code Issues Releases Wiki Activity

Allow asking whether segment was acked

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This commit is contained in:
Matias Fontanini
2016-02-13 22:45:11 -08:00
parent 2498ebf7d6
commit abe94ece52
5 changed files with 72 additions and 1 deletions
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14
tests/src/tcp_ip.cpp
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@@ -601,9 +601,14 @@ TEST_F(AckTrackerTest, AckedRange_WrapAround) {
TEST_F(AckTrackerTest, AckingTcp1) {
AckTracker tracker(0, false);
EXPECT_EQ(0, tracker.ack_number());
EXPECT_EQ(0, tracker.ack_number());
tracker.process_packet(make_tcp_ack(100));
EXPECT_EQ(100, tracker.ack_number());
EXPECT_TRUE(tracker.is_segment_acked(0, 10));
EXPECT_TRUE(tracker.is_segment_acked(50, 10));
EXPECT_TRUE(tracker.is_segment_acked(99, 1));
EXPECT_FALSE(tracker.is_segment_acked(90, 20));
EXPECT_FALSE(tracker.is_segment_acked(99, 2));
tracker.process_packet(make_tcp_ack(50));
EXPECT_EQ(100, tracker.ack_number());
tracker.process_packet(make_tcp_ack(150));
@@ -635,6 +640,9 @@ TEST_F(AckTrackerTest, AckingTcp_Sack1) {
AckTracker tracker(0, true);
tracker.process_packet(make_tcp_ack(0, make_pair(2, 5), make_pair(9, 11)));
EXPECT_EQ(3 + 2, tracker.acked_intervals().size());
EXPECT_TRUE(tracker.is_segment_acked(2, 3));
EXPECT_TRUE(tracker.is_segment_acked(9, 2));
EXPECT_FALSE(tracker.is_segment_acked(2, 9));
tracker.process_packet(make_tcp_ack(9));
EXPECT_EQ(1, tracker.acked_intervals().size());
@@ -652,6 +660,10 @@ TEST_F(AckTrackerTest, AckingTcp_Sack2) {
make_pair(0, 10)
));
EXPECT_EQ(3 + 10, tracker.acked_intervals().size());
EXPECT_TRUE(tracker.is_segment_acked(maximum - 12, 2));
EXPECT_TRUE(tracker.is_segment_acked(maximum - 2, 1));
EXPECT_TRUE(tracker.is_segment_acked(2, 3));
EXPECT_FALSE(tracker.is_segment_acked(maximum - 10, 10));
tracker.process_packet(make_tcp_ack(maximum - 2));
EXPECT_EQ(1 + 10, tracker.acked_intervals().size());