[+] Add new case test & Merge master change into interop branch (#347)

* [+] QUIC datagram (RFC9221), sending datagrams and bytestreams on http3 connections (non-standard extensions), and bugfix (#307) *[!] fix vulnerabilities on parsing STREAM and CRYPTO frame; * [+] update contributor * [!] fix test case errors on ubuntu latest * [+] Export SSL handler of HTTP/3 connection for ssl_protocol, ssl_cipher, etc. (#310) * [+] Export SSL handler of HTTP/3 connection for ssl_protocol, ssl_cipher, etc. * [!] fix format of function return * [+] support standard stateless reset (#313) * [+] update multipath to draft-04; (#317) * [+] support pmtu; * fix complie error: specified bound depends on the length of the source argument (#312) * fix complie error: specified bound depends on the length of the source argument * fix stringop-overflow complie error * fix stringop-overflow complie error * Doc/rfc9114 (#223) * Update draft-ietf-quic-http-34-zh.md * Update draft-ietf-quic-http-34-zh.md * Update draft-ietf-quic-http-34-zh.md * Create rfc9114-http3-zh.md * [=] add usage specifications for test_client and test_server (#318) * [+] support multipath interop (#320) * [+] add no_crypto and serrial options for mpquic interop (#321) * Update doc (and comment) multipath-[01|02] => 04 (#326) * demo: fix typo (xuqic -> xquic) (#328) * [+] add .gitignore (#329) * fix: use off_t instead of int for filesize (#332) * [!] fix http3 deadloop and segmentation fault, fix stream compose error (#338) * [+]Enable multipath-05 etc. (#340) * [=] fix README-zh-CN doc link (#341) * [!] fix interop testcase: antiamplication, multiplexing, zerortt, recovery, keyupdate * [~]Fix error during rebase * [+]Add new testcase in run endpoint --------- Co-authored-by: Wu Zhao <zhaowu.zw@alibaba-inc.com> Co-authored-by: lianglli <liangli.liliang@alibaba-inc.com> Co-authored-by: Bobo <cppbreak@qq.com> Co-authored-by: robinhzp <9974622@qq.com> Co-authored-by: Alexis La Goutte <alexis.lagoutte@gmail.com> Co-authored-by: Yanmei Liu <miaoji.lym@alibaba-inc.com> Co-authored-by: Marcel <marcel.kempf@tum.de> Co-authored-by: RuiqiZhou <dangdang.zrq@alibaba-inc.com>
alibaba · Oct 20, 2023 · f49b64d · f49b64d
1 parent 66224a8
commit f49b64d
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Showing 126 changed files with 19,966 additions and 6,772 deletions.
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -61,7 +61,7 @@ jobs:
         SSL_LIB_PATH_STR="${PWD}/third_party/boringssl/build/ssl/libssl.a;${PWD}/third_party/boringssl/build/crypto/libcrypto.a"
         mkdir -p build
         cd build
-        cmake -DGCOV=on -DCMAKE_BUILD_TYPE=Debug -DXQC_ENABLE_TESTING=1 -DXQC_SUPPORT_SENDMMSG_BUILD=1 -DXQC_ENABLE_EVENT_LOG=1 -DXQC_ENABLE_BBR2=1 -DXQC_DISABLE_RENO=0 -DSSL_TYPE=${SSL_TYPE_STR} -DSSL_PATH=${SSL_PATH_STR} -DSSL_INC_PATH=${SSL_INC_PATH_STR} -DSSL_LIB_PATH=${SSL_LIB_PATH_STR} ..
+        cmake -DGCOV=on -DCMAKE_BUILD_TYPE=Debug -DXQC_ENABLE_TESTING=1 -DXQC_SUPPORT_SENDMMSG_BUILD=1 -DXQC_ENABLE_EVENT_LOG=1 -DXQC_ENABLE_BBR2=1 -DXQC_ENABLE_RENO=1 -DSSL_TYPE=${SSL_TYPE_STR} -DSSL_PATH=${SSL_PATH_STR} -DSSL_INC_PATH=${SSL_INC_PATH_STR} -DSSL_LIB_PATH=${SSL_LIB_PATH_STR} ..
         make -j
 
     - name: Test

diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
@@ -60,7 +60,7 @@ jobs:
         SSL_LIB_PATH_STR="${PWD}/third_party/boringssl/build/ssl/libssl.a;${PWD}/third_party/boringssl/build/crypto/libcrypto.a"
         mkdir -p build
         cd build
-        cmake -DGCOV=on -DCMAKE_BUILD_TYPE=Debug -DXQC_ENABLE_TESTING=1 -DXQC_SUPPORT_SENDMMSG_BUILD=1 -DXQC_ENABLE_EVENT_LOG=1 -DXQC_ENABLE_BBR2=1 -DXQC_DISABLE_RENO=0 -DSSL_TYPE=${SSL_TYPE_STR} -DSSL_PATH=${SSL_PATH_STR} -DSSL_INC_PATH=${SSL_INC_PATH_STR} -DSSL_LIB_PATH=${SSL_LIB_PATH_STR} ..
+        cmake -DGCOV=on -DCMAKE_BUILD_TYPE=Debug -DXQC_ENABLE_TESTING=1 -DXQC_SUPPORT_SENDMMSG_BUILD=1 -DXQC_ENABLE_EVENT_LOG=1 -DXQC_ENABLE_BBR2=1 -DXQC_ENABLE_RENO=1 -DSSL_TYPE=${SSL_TYPE_STR} -DSSL_PATH=${SSL_PATH_STR} -DSSL_INC_PATH=${SSL_INC_PATH_STR} -DSSL_LIB_PATH=${SSL_LIB_PATH_STR} ..
         make -j
 
     - name: Perform CodeQL Analysis

diff --git a/.gitignore b/.gitignore
@@ -2,3 +2,5 @@ build/
 bss/
 *.swp
 third_party/
+.idea/
+cmake-build-debug/
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -7,7 +7,12 @@ set (xquic_VERSION_MAJOR 0)
 set (xquic_VERSION_MINOR 1)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
-# build type
+option (XQC_ENABLE_BBR2 "enable bbr2" ON)
+option (XQC_ENABLE_COPA "enable copa" ON)
+option (XQC_ENABLE_RENO "enable reno" ON)
+option (XQC_ENABLE_UNLIMITED "enable unlimited cc" ON)
+option (XQC_ENABLE_MP_INTEROP "enable MPQUIC interop" ON)
+
 if(NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE Release)
 endif()
@@ -74,6 +79,9 @@ if(XQC_COMPAT_DUPLICATE)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DXQC_COMPAT_DUPLICATE")
 endif()
 
+if(XQC_COMPAT_GENERATE_SR_PKT)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DXQC_COMPAT_GENERATE_SR_PKT")
+endif()
 
 # print only error log
 if(XQC_ONLY_ERROR_LOG)
@@ -116,8 +124,8 @@ endif()
 
 # configure file
 configure_file (
-    xqc_configure.h.in
-    xqc_configure.h
+    "${CMAKE_CURRENT_SOURCE_DIR}/xqc_configure.h.in"
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/xquic/xqc_configure.h"
 )
 
 include_directories(
@@ -127,8 +135,6 @@ include_directories(
     "${CMAKE_CURRENT_BINARY_DIR}/include"
 )
 
-
-
 # http3/qpack source
 set(
     HTTP3_SOURCES
@@ -148,6 +154,8 @@ set(
     "src/http3/qpack/xqc_ins.c"
     "src/http3/qpack/stable/xqc_stable.c"
     "src/http3/qpack/dtable/xqc_dtable.c"
+    "src/http3/xqc_h3_ext_dgram.c"
+    "src/http3/xqc_h3_ext_bytestream.c"
 )
 
 # Transport source
@@ -160,6 +168,7 @@ set(
     "src/transport/xqc_packet_parser.c"
     "src/transport/xqc_frame_parser.c"
     "src/transport/xqc_stream.c"
+    "src/transport/xqc_datagram.c"
     "src/transport/xqc_packet_out.c"
     "src/transport/xqc_packet_in.c"
     "src/transport/xqc_send_ctl.c"
@@ -175,12 +184,23 @@ set(
     "src/transport/xqc_quic_lb.c"
     "src/transport/xqc_timer.c"
     "src/transport/xqc_reinjection.c"
-    "src/transport/reinjection_control/xqc_reinj_xlink.c"
+    "src/transport/reinjection_control/xqc_reinj_default.c"
+    "src/transport/reinjection_control/xqc_reinj_deadline.c"
+    "src/transport/reinjection_control/xqc_reinj_dgram.c"
     "src/transport/scheduler/xqc_scheduler_minrtt.c"
     "src/transport/scheduler/xqc_scheduler_common.c"
     "src/transport/scheduler/xqc_scheduler_backup.c"
+    "src/transport/scheduler/xqc_scheduler_rap.c"
 )
 
+if(XQC_ENABLE_MP_INTEROP)
+    set(
+        TRANSPORT_SOURCES
+        ${TRANSPORT_SOURCES}
+        "src/transport/scheduler/xqc_scheduler_interop.c"
+    )
+endif()
+
 # TLS source
 set (
     TLS_SOURCE
@@ -237,9 +257,7 @@ set(
     "src/congestion_control/xqc_sample.c"
 )
 
-if(XQC_DISABLE_RENO)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DXQC_DISABLE_RENO ")
-else()
+if(XQC_ENABLE_RENO)
     set(
         CONGESTION_CONTROL_SOURCES
         ${CONGESTION_CONTROL_SOURCES}
@@ -248,18 +266,33 @@ else()
 endif()
 
 if(XQC_ENABLE_BBR2)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DXQC_ENABLE_BBR2 ")
     set(
         CONGESTION_CONTROL_SOURCES
-
         ${CONGESTION_CONTROL_SOURCES}
         "src/congestion_control/xqc_bbr2.c"
     )
 endif()
 
+if(XQC_ENABLE_COPA)
+    set(
+        CONGESTION_CONTROL_SOURCES
+        ${CONGESTION_CONTROL_SOURCES}
+        "src/congestion_control/xqc_copa.c"
+    )
+endif()
+
+if(XQC_ENABLE_UNLIMITED)
+    set(
+        CONGESTION_CONTROL_SOURCES
+        ${CONGESTION_CONTROL_SOURCES}
+        "src/congestion_control/xqc_unlimited_cc.c"
+    )
+endif()
+
+
 # xquic source
 set (
-    XQC_SOURCE 
+    XQC_SOURCE
     ${HTTP3_SOURCES}
     ${TRANSPORT_SOURCES}
     ${TLS_SOURCE}
@@ -383,13 +416,13 @@ if (XQC_ENABLE_TESTING)
     endif()
 
     if(PLATFORM STREQUAL "mac32")
-        target_link_libraries(test_server xquic  -lm ${CMAKE_CURRENT_SOURCE_DIR}/../libevent32/lib/libevent.dylib)
-        target_link_libraries(test_client xquic  -lm ${CMAKE_CURRENT_SOURCE_DIR}/../libevent32/lib/libevent.dylib)
+        target_link_libraries(test_server xquic-static ${SSL_LIB_PATH} -ldl -lpthread -lm ${CMAKE_CURRENT_SOURCE_DIR}/../libevent32/lib/libevent.dylib)
+        target_link_libraries(test_client xquic-static ${SSL_LIB_PATH} -ldl -lpthread -lm ${CMAKE_CURRENT_SOURCE_DIR}/../libevent32/lib/libevent.dylib)
         target_link_libraries(demo_server xquic  -lm ${CMAKE_CURRENT_SOURCE_DIR}/../libevent32/lib/libevent.dylib)
         target_link_libraries(demo_client xquic  -lm ${CMAKE_CURRENT_SOURCE_DIR}/../libevent32/lib/libevent.dylib)
     elseif(PLATFORM STREQUAL "mac")
-        target_link_libraries(test_server xquic -lm -L/usr/local/lib -levent)
-        target_link_libraries(test_client xquic -lm -L/usr/local/lib -levent)
+        target_link_libraries(test_server xquic-static ${SSL_LIB_PATH} -ldl -lpthread -lm -L/usr/local/lib -levent)
+        target_link_libraries(test_client xquic-static ${SSL_LIB_PATH} -ldl -lpthread -lm -L/usr/local/lib -levent)
         target_link_libraries(demo_server xquic -lm -L/usr/local/lib -levent)
         target_link_libraries(demo_client xquic -lm -L/usr/local/lib -levent)
     elseif(CMAKE_SYSTEM_NAME  MATCHES "Windows")
@@ -398,8 +431,8 @@ if (XQC_ENABLE_TESTING)
         target_link_libraries(demo_server xquic ${EVENT_LIB_PATH} -lm)
         target_link_libraries(demo_client xquic ${EVENT_LIB_PATH} -lm)
     else()
-        target_link_libraries(test_server xquic -levent -lm)
-        target_link_libraries(test_client xquic -levent -lm)
+        target_link_libraries(test_server xquic-static ${SSL_LIB_PATH} -ldl -lpthread -levent -lm)
+        target_link_libraries(test_client xquic-static ${SSL_LIB_PATH} -ldl -lpthread -levent -lm)
         target_link_libraries(demo_server xquic -levent -lm)
         target_link_libraries(demo_client xquic -levent -lm)
     endif()

diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -203,6 +203,8 @@ In no particular order, thanks to these excellent individuals who contributed co
 * 曾柯(毅丝)
 * 徐盟欣(象谦)
 * Bai Shi(白石)
+* 周瑞琪(凼凼)
+* 李亮(海苍)
 * @chinsyo
 * @L1MeN9Yu
 * @flx413
@@ -217,5 +219,7 @@ In no particular order, thanks to these excellent individuals who contributed co
 * @yunwei37
 * @keengo99
 * @ruanshanshan
+* @alagoutte
+* @MPK1
 
 This list will be continuously updated. Contributions are welcome!
diff --git a/README.md b/README.md
@@ -8,7 +8,7 @@
 [![Codacy Badge](https://app.codacy.com/project/badge/Coverage/485e758edd98409bb7a51cbb803838c4)](https://www.codacy.com/gh/alibaba/xquic/dashboard?utm_source=github.com&utm_medium=referral&utm_content=alibaba/xquic&utm_campaign=Badge_Coverage)
 ![Platforms](https://img.shields.io/badge/platform-Android%20%7C%20iOS%20%7C%20Linux%20%7C%20macOS-blue)
 
-> [简体中文文档 README-zh-CN](./docs/docs-zh/README-zh.md)
+> [简体中文文档 README-zh-CN](https://github.com/alibaba/xquic/blob/main/docs/docs-zh/README-zh.md)
 
 ## Introduction
 
@@ -30,7 +30,8 @@ XQUIC Library released by Alibaba is …
 
 
 [![](https://img.shields.io/static/v1?label=draft-13&message=QUIC-LB&color=9cf)](https://tools.ietf.org/html/draft-ietf-quic-load-balancers-13)
-[![](https://img.shields.io/static/v1?label=draft-01&message=Multipath-QUIC&color=9cf)](https://tools.ietf.org/html/draft-ietf-quic-multipath-01)
+[![](https://img.shields.io/static/v1?label=draft-04&message=Multipath-QUIC&color=9cf)](https://tools.ietf.org/html/draft-ietf-quic-multipath-04)
+[![](https://img.shields.io/static/v1?label=draft-05&message=Multipath-QUIC&color=9cf)](https://tools.ietf.org/html/draft-ietf-quic-multipath-05)
 
 #### Standardized Features
 
@@ -40,7 +41,7 @@ XQUIC Library released by Alibaba is …
 
 #### Not Yet Standardized Features
 
-* [Multipath QUIC](https://tools.ietf.org/html/draft-ietf-quic-multipath-02)
+* [Multipath QUIC](https://tools.ietf.org/html/draft-ietf-quic-multipath-04)
 
 * [QUIC-LB](https://tools.ietf.org/html/draft-ietf-quic-load-balancers-13)
 
@@ -89,7 +90,7 @@ cd ../..
 # build XQUIC with BoringSSL
 git submodule update --init --recursive
 mkdir -p build; cd build
-cmake -DGCOV=on -DCMAKE_BUILD_TYPE=Debug -DXQC_ENABLE_TESTING=1 -DXQC_SUPPORT_SENDMMSG_BUILD=1 -DXQC_ENABLE_EVENT_LOG=1 -DXQC_ENABLE_BBR2=1 -DXQC_DISABLE_RENO=0 -DSSL_TYPE=${SSL_TYPE_STR} -DSSL_PATH=${SSL_PATH_STR} -DSSL_INC_PATH=${SSL_INC_PATH_STR} -DSSL_LIB_PATH=${SSL_LIB_PATH_STR} ..
+cmake -DGCOV=on -DCMAKE_BUILD_TYPE=Debug -DXQC_ENABLE_TESTING=1 -DXQC_SUPPORT_SENDMMSG_BUILD=1 -DXQC_ENABLE_EVENT_LOG=1 -DXQC_ENABLE_BBR2=1 -DXQC_ENABLE_RENO=1 -DSSL_TYPE=${SSL_TYPE_STR} -DSSL_PATH=${SSL_PATH_STR} -DSSL_INC_PATH=${SSL_INC_PATH_STR} -DSSL_LIB_PATH=${SSL_LIB_PATH_STR} ..
 make -j
 ```
 
@@ -114,7 +115,7 @@ cd -
 # build XQUIC with BabaSSL
 git submodule update --init --recursive
 mkdir -p build; cd build
-cmake -DGCOV=on -DCMAKE_BUILD_TYPE=Debug -DXQC_ENABLE_TESTING=1 -DXQC_SUPPORT_SENDMMSG_BUILD=1 -DXQC_ENABLE_EVENT_LOG=1 -DXQC_ENABLE_BBR2=1 -DXQC_DISABLE_RENO=0 -DSSL_TYPE=${SSL_TYPE_STR} -DSSL_PATH=${SSL_PATH_STR} -DSSL_INC_PATH=${SSL_INC_PATH_STR} -DSSL_LIB_PATH=${SSL_LIB_PATH_STR} ..
+cmake -DGCOV=on -DCMAKE_BUILD_TYPE=Debug -DXQC_ENABLE_TESTING=1 -DXQC_SUPPORT_SENDMMSG_BUILD=1 -DXQC_ENABLE_EVENT_LOG=1 -DXQC_ENABLE_BBR2=1 -DXQC_ENABLE_RENO=1 -DSSL_TYPE=${SSL_TYPE_STR} -DSSL_PATH=${SSL_PATH_STR} -DSSL_INC_PATH=${SSL_INC_PATH_STR} -DSSL_LIB_PATH=${SSL_LIB_PATH_STR} ..
 make -j
 ```
 

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
@@ -63,6 +63,10 @@ if (XQC_DISABLE_LOG)
     set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} -DXQC_DISABLE_LOG")
 endif()
 
+if(XQC_COMPAT_GENERATE_SR_PKT)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DXQC_COMPAT_GENERATE_SR_PKT")
+endif()
+
 if (XQC_ONLY_ERROR_LOG)
     set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} -DXQC_ONLY_ERROR_LOG")
 endif()
@@ -121,7 +125,11 @@ else()
 endif()
 
 
-configure_file (xqc_configure.h.in include/xquic/xqc_configure.h  @ONLY)
+configure_file (
+    "${CMAKE_CURRENT_SOURCE_DIR}/xqc_configure.h.in"
+    "${CMAKE_CURRENT_SOURCE_DIR}/include/xquic/xqc_configure.h"
+    @ONLY
+)
 
 include_directories(
     include/
@@ -149,6 +157,8 @@ set(
     "src/http3/qpack/xqc_ins.c"
     "src/http3/qpack/stable/xqc_stable.c"
     "src/http3/qpack/dtable/xqc_dtable.c"
+    "src/http3/xqc_h3_ext_dgram.c"
+    "src/http3/xqc_h3_ext_bytestream.c"
 )
 
 # Transport source
@@ -161,6 +171,7 @@ set(
     "src/transport/xqc_packet_parser.c"
     "src/transport/xqc_frame_parser.c"
     "src/transport/xqc_stream.c"
+    "src/transport/xqc_datagram.c"
     "src/transport/xqc_packet_out.c"
     "src/transport/xqc_packet_in.c"
     "src/transport/xqc_send_ctl.c"
@@ -176,12 +187,23 @@ set(
     "src/transport/xqc_quic_lb.c"
     "src/transport/xqc_timer.c"
     "src/transport/xqc_reinjection.c"
-    "src/transport/reinjection_control/xqc_reinj_xlink.c"
+    "src/transport/reinjection_control/xqc_reinj_default.c"
+    "src/transport/reinjection_control/xqc_reinj_deadline.c"
+    "src/transport/reinjection_control/xqc_reinj_dgram.c"
     "src/transport/scheduler/xqc_scheduler_minrtt.c"
     "src/transport/scheduler/xqc_scheduler_common.c"
     "src/transport/scheduler/xqc_scheduler_backup.c"
+    "src/transport/scheduler/xqc_scheduler_rap.c"
 )
 
+if(XQC_ENABLE_MP_INTEROP)
+    set(
+        TRANSPORT_SOURCES
+        ${TRANSPORT_SOURCES}
+        "src/transport/scheduler/xqc_scheduler_interop.c"
+    )
+endif()
+
 # TLS source
 set (
     TLS_SOURCE
@@ -238,25 +260,51 @@ set(
     "src/congestion_control/xqc_sample.c"
 )
 
-if (XQC_DISABLE_RENO)
-    set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} -DXQC_DISABLE_RENO")
-else()
+if(XQC_ENABLE_RENO)
     set(
         CONGESTION_CONTROL_SOURCES
         ${CONGESTION_CONTROL_SOURCES}
         "src/congestion_control/xqc_new_reno.c"
     )
 endif()
 
-if (XQC_ENABLE_BBR2)
-    set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS} -DXQC_ENABLE_BBR2")
+if(XQC_ENABLE_BBR2)
     set(
         CONGESTION_CONTROL_SOURCES
         ${CONGESTION_CONTROL_SOURCES}
         "src/congestion_control/xqc_bbr2.c"
     )
 endif()
 
+if(XQC_ENABLE_COPA)
+    set(
+        CONGESTION_CONTROL_SOURCES
+        ${CONGESTION_CONTROL_SOURCES}
+        "src/congestion_control/xqc_copa.c"
+    )
+endif()
+
+if(XQC_ENABLE_UNLIMITED)
+    set(
+        CONGESTION_CONTROL_SOURCES
+        ${CONGESTION_CONTROL_SOURCES}
+        "src/congestion_control/xqc_unlimited_cc.c"
+    )
+endif()
+
+
+if(XQC_ENABLE_TH3)
+    set(XQC_ENABLE_TUNNEL 1)
+    set(
+        TH3_SOURCES
+        "tunnel/tunnel_h3/th3_ctx.c"
+        "tunnel/tunnel_h3/th3_vconn.c"
+    )
+endif()
+
+    )
+endif()
+
 if (XQC_NO_SHARED)
     set(XQC_BINARY_TYPE STATIC)
 endif()
@@ -298,3 +346,4 @@ if (XQC_BUILD_SAMPLE)
     target_link_libraries(test_client xquic event)
     target_link_libraries(test_server xquic event)
 endif()
+
diff --git a/demo/common.h b/demo/common.h
@@ -12,10 +12,10 @@
 #define CIPHER_SUIT_LEN     256
 #define TLS_GROUPS_LEN      64
 
-#define PATH_LEN            512
-#define RESOURCE_LEN        256
+#define PATH_LEN            1024
+#define RESOURCE_LEN        1024
 #define AUTHORITY_LEN       128
-#define URL_LEN             512
+#define URL_LEN             1024
 
 /* the congestion control types */
 typedef enum cc_type_s {
-Original file line number
+Diff line change
@@ Expand Up / @@ -2,3 +2,5 @@ build/ @@
     bss/
     *.swp
     third_party/
+    .idea/
+    cmake-build-debug/