Some updates which fix FBOSS-SAI compilation and running

fboss/agent/hw/sai/SaiSwitch.cpp

@@ -77,6 +77,20 @@ using facebook::fboss::DeltaFunctions::forEachRemoved;
 
 namespace facebook { namespace fboss {
 
+// Default service method table getters 
+static const char* saiProfileValueGet(sai_switch_profile_id_t profile_id,
+                                      const char* var_name)
+{
+  return NULL;
+}
+
+static int saiProfileValueGetNext(sai_switch_profile_id_t profile_id,
+                                  const char** variable,
+                                  const char** value)
+{
+  return -1;
+}
+
 // TODO: remove this when SAI callbacks support pointer to user data storage.
 SaiSwitch* SaiSwitch::instance_ = nullptr;
 
@@ -98,6 +112,9 @@ SaiSwitch::SaiSwitch(SaiPlatformBase *platform)
   , lockFd(-1) {
   VLOG(4) << "Entering " << __FUNCTION__;
 
+  service_.profile_get_value = saiProfileValueGet;
+  service_.profile_get_next_value = saiProfileValueGetNext;
+
   //sai_status_t status = sai_service_method_table_initialize(&service_);
   //if (status != SAI_STATUS_SUCCESS) {
   //  throw SaiFatal("Failed to initialize service method table. Error: ", status);

fboss/github/getdeps_SAI.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+
+function update() {
+    repo=`basename $1 .git`
+    echo "updating $repo..."
+    if [ -d $repo ]; then
+        (cd $repo && git pull)
+    else
+        git clone $1
+    fi
+    [ -z "$2" ] || (cd $repo && git checkout $2)
+}
+
+function update_SAI() {
+    repo="SAI"
+    echo "updating $repo..."
+    if [ -d $repo ]; then
+        (cd $repo && git pull) 
+    else
+        git clone https://github.com/opencomputeproject/SAI.git $repo
+    fi
+    (cd $repo && git checkout v0.9.3.0)
+    (cd $repo && mkdir -p lib)
+    (cd $repo && ln -s sai/inc inc) 
+}
+
+function update_branch() {
+    branch="$1"
+    if [ "$(git symbolic-ref -q --short HEAD)" != "OpenNSL_6.3" ]; then
+        git checkout -tb "$branch" "origin/$branch"
+    fi
+}
+
+function build() {
+    (
+        echo "building $1..."
+        cd $1
+        if [ -e ./CMakeLists.txt ]; then
+            mkdir -p build
+            cd build
+            echo cmake .. $CMAKEFLAGS
+            cmake .. $CMAKEFLAGS
+            make
+        else
+            if [ ! -e ./configure ]; then
+                autoreconf --install
+            fi
+            ./configure
+            make -j8
+        fi
+    )
+}
+
+echo "installing packages"
+sudo apt-get install -yq autoconf automake libdouble-conversion-dev \
+    libssl-dev make zip git autoconf libtool g++ libboost-all-dev \
+    libevent-dev flex bison libgoogle-glog-dev scons libkrb5-dev \
+    libsnappy-dev libsasl2-dev libnuma-dev libi2c-dev libcurl4-nss-dev \
+    libusb-1.0-0-dev libpcap-dev libdb5.3-dev cmake
+
+echo "creating external..."
+mkdir -p external
+(
+    cd external
+    # We hard code OpenNSL to OpenNSL-6.4.6.6 release, later releases seem to
+    # SIGSEV in opennsl_pkt_alloc()
+    update https://github.com/Broadcom-Switch/OpenNSL.git 8e0b499f02dcef751a3703c9a18600901374b28a
+    update \
+        git://git.kernel.org/pub/scm/linux/kernel/git/shemminger/iproute2.git v3.19.0
+    update https://github.com/facebook/folly.git 08dba5714790020d2fa677e34e624eb4f34a20ca
+    update https://github.com/facebook/wangle.git d67b7632be2923de3695201c7ac361f50646bbbf
+    update https://github.com/facebook/fbthrift.git 1b2b03a472c41915a8c481a06edc630674377e77
+    update_SAI
+    build iproute2
+    build folly/folly 
+    export CMAKEFLAGS=-D"FOLLY_INCLUDE_DIR=`pwd`/folly"\ -D"FOLLY_LIBRARY=`pwd`/folly/folly/.libs/libfolly.a"\ -D"BUILD_TESTS=OFF"
+    build wangle/wangle
+    export CPPFLAGS=" -I`pwd`/folly -I`pwd`/wangle" LDFLAGS="-L`pwd`/folly/folly/.libs/ -L`pwd`/wangle/wangle/build/lib"
+    build fbthrift/thrift
+)