Merge branch 'fix/php-memcached-531' into v1.x

Author: m6w6

src/libmemcached/purge.cc

@@ -108,9 +108,6 @@ bool memcached_purge(memcached_instance_st *ptr) {
         WATCHPOINT_ERROR(rc);
         is_successful = false;
       }
-      if (rc == MEMCACHED_TIMEOUT) {
-        break;
-      }
 
       if (ptr->root->callbacks) {
         memcached_callback_st cb = *ptr->root->callbacks;

src/libmemcached/response.cc

@@ -761,7 +761,7 @@ static memcached_return_t _read_one_response(memcached_instance_st *instance, ch
     rc = textual_read_one_response(instance, buffer, buffer_length, result);
   }
 
-  if (memcached_fatal(rc) && rc != MEMCACHED_TIMEOUT) {
+  if (memcached_fatal(rc)) {
     memcached_io_reset(instance);
   }
 

test/tests/memcached/noblock.cpp

@@ -10,7 +10,7 @@ TEST_CASE("memcached_noblock") {
   REQUIRE_SUCCESS(memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, 1));
   REQUIRE_SUCCESS(memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_POLL_TIMEOUT, timeout));
 
-  auto num = timeout ? 10'000 : 1'000'000;
+  auto num = 10000;
   auto hit = 0u;
   auto rnd = random_ascii_string(512);
   for (auto i = 0; i < num; ++i) {
@@ -23,20 +23,16 @@ TEST_CASE("memcached_noblock") {
       break;
     case MEMCACHED_TIMEOUT:
     case MEMCACHED_WRITE_FAILURE:
-      if(!timeout) {
-        --i;
-      }
       ++hit;
-      REQUIRE(true);
       break;
     default:
       REQUIRE(false);
     }
   }
-  INFO("failures triggered: " << hit);
+  INFO("timeout=" << timeout << " failures triggered: " << hit);
   if (timeout) {
-    CHECK_FALSE(hit);
+    REQUIRE_FALSE(hit);
   } else {
-    CHECK(hit > 0);
+    REQUIRE(hit > 0);
   }
 }

test/tests/memcached/regression/gh-php-memcached_0531.cpp

@@ -0,0 +1,29 @@
+#include "test/lib/common.hpp"
+#include "test/lib/MemcachedCluster.hpp"
+
+TEST_CASE("memcached_regression_gh-php-memcached_0531") {
+  auto test = MemcachedCluster{Cluster{Server{MEMCACHED_BINARY, {"-p", random_socket_or_port_string("-p")}}, 1}};
+  auto memc = &test.memc;
+  auto nonblock = GENERATE(0, 1);
+
+  INFO("nonblock=" << nonblock);
+
+  REQUIRE_SUCCESS(memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NO_BLOCK, nonblock));
+
+  REQUIRE_SUCCESS(memcached_set(memc, S("first"), S("first"), 0, 0));
+  REQUIRE_SUCCESS(memcached_set(memc, S("second"), S("second"), 0, 0));
+
+  REQUIRE_SUCCESS(memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_POLL_TIMEOUT, 0));
+
+  memcached_return_t rc;
+  size_t len;
+  Malloced value1(memcached_get(memc, S("first"), &len, nullptr, &rc));
+  REQUIRE_RC(MEMCACHED_TIMEOUT, rc);
+  REQUIRE_FALSE(*value1);
+
+  REQUIRE_SUCCESS(memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_POLL_TIMEOUT, 100));
+
+  Malloced value2(memcached_get(memc, S("second"), &len, nullptr, &rc));
+  REQUIRE_SUCCESS(rc);
+  REQUIRE(string(*value2) == string("second"));
+}