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authorAlberto Compagno <acompagn+fdio@cisco.com>2019-11-21 09:28:55 +0000
committerGerrit Code Review <gerrit@fd.io>2019-11-21 09:28:55 +0000
commit3638de122f58225253eedbbfd125951ec56a1fa1 (patch)
treef6b1845a2fc95184b4acb731b6af2fe7c23de7fe /libtransport
parentae6f3b8e1f55fc4bb7807c293850d3cb46cab1fd (diff)
parent0010de10dcb9183e6c6876fcaaf2283a0ef1ed86 (diff)
Merge "[HICN-402] Limit in-flight interests for manifests"
Diffstat (limited to 'libtransport')
-rw-r--r--libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc18
-rw-r--r--libtransport/src/hicn/transport/protocols/manifest_indexing_manager.h4
-rw-r--r--libtransport/src/hicn/transport/utils/suffix_strategy.h5
3 files changed, 25 insertions, 2 deletions
diff --git a/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc
index 9af6a5c3a..05cabc60d 100644
--- a/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc
+++ b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc
@@ -29,6 +29,7 @@ ManifestIndexManager::ManifestIndexManager(
interface::ConsumerSocket *icn_socket, TransportProtocol *next_interest)
: IncrementalIndexManager(icn_socket),
PacketManager<Interest>(1024),
+ manifests_in_flight_(0),
next_reassembly_segment_(suffix_queue_.end()),
next_to_retrieve_segment_(suffix_queue_.end()),
suffix_manifest_(core::NextSegmentCalculationStrategy::INCREMENTAL, 0),
@@ -86,7 +87,14 @@ bool ManifestIndexManager::onManifest(
// Set the iterators to the beginning of the suffix queue
next_reassembly_segment_ = suffix_queue_.begin();
// Set number of segments in manifests assuming the first one is full
- suffix_manifest_.setNbSegments(std::distance(_it, _end) - 1);
+ suffix_manifest_.setNbSegments(
+ std::distance(manifest->getSuffixList().begin(),
+ manifest->getSuffixList().end()) -
+ 1);
+ suffix_manifest_.setSuffixStrategy(
+ manifest->getNextSegmentCalculationStrategy());
+ } else if (manifests_in_flight_) {
+ manifests_in_flight_--;
}
if (TRANSPORT_EXPECT_FALSE(manifest->isFinalManifest() ||
@@ -110,6 +118,10 @@ bool ManifestIndexManager::onManifest(
// Manifest namespace
Name &name = manifest->getWritableName();
+ if (manifests_in_flight_ >= MAX_MANIFESTS_IN_FLIGHT) {
+ break;
+ }
+
// Send as many manifest as required for filling window.
do {
segment_count += suffix_manifest_.getNbSegments();
@@ -132,8 +144,10 @@ bool ManifestIndexManager::onManifest(
std::placeholders::_1, std::placeholders::_2),
std::bind(&ManifestIndexManager::onManifestTimeout, this,
std::placeholders::_1));
+ manifests_in_flight_++;
} while (segment_count < current_window_size &&
- suffix_manifest_.getSuffix() < final_suffix_);
+ suffix_manifest_.getSuffix() < final_suffix_ &&
+ manifests_in_flight_ < MAX_MANIFESTS_IN_FLIGHT);
break;
}
diff --git a/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.h b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.h
index 5f74ef0bf..74c86eb60 100644
--- a/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.h
+++ b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.h
@@ -21,6 +21,9 @@
#include <list>
+/* #define MAX_MANIFESTS_IN_FLIGHT std::numeric_limits<uint32_t>::max() */
+#define MAX_MANIFESTS_IN_FLIGHT 10
+
namespace transport {
namespace protocol {
@@ -57,6 +60,7 @@ class ManifestIndexManager : public IncrementalIndexManager,
void onManifestTimeout(Interest::Ptr &&i);
protected:
+ uint32_t manifests_in_flight_;
SuffixQueue suffix_queue_;
SuffixQueue::iterator next_reassembly_segment_;
SuffixQueue::iterator next_to_retrieve_segment_;
diff --git a/libtransport/src/hicn/transport/utils/suffix_strategy.h b/libtransport/src/hicn/transport/utils/suffix_strategy.h
index 99e557380..4358d12f0 100644
--- a/libtransport/src/hicn/transport/utils/suffix_strategy.h
+++ b/libtransport/src/hicn/transport/utils/suffix_strategy.h
@@ -31,6 +31,11 @@ class SuffixStrategy {
return suffix_stragegy_;
}
+ void setSuffixStrategy(
+ transport::core::NextSegmentCalculationStrategy strategy) {
+ suffix_stragegy_ = strategy;
+ }
+
std::uint32_t getSuffix() { return suffix_; }
virtual std::uint32_t getNextSuffix() = 0;