diff --git a/src/core/ext/resolver/dns/native/dns_resolver.c b/src/core/ext/resolver/dns/native/dns_resolver.c
index a7392e14ad7ae489ade8e4e2f27b54a9d1ab18b4..688c4fa845db6092e93f60c76460f6d1b7e8ba98 100644
--- a/src/core/ext/resolver/dns/native/dns_resolver.c
+++ b/src/core/ext/resolver/dns/native/dns_resolver.c
@@ -218,6 +218,7 @@ static void dns_start_resolving_locked(grpc_exec_ctx *exec_ctx,
r->resolving = true;
r->addresses = NULL;
grpc_resolve_address(exec_ctx, r->name_to_resolve, r->default_port,
+ r->base.pollset_set,
grpc_closure_create(dns_on_resolved, r), &r->addresses);
}
diff --git a/src/core/lib/http/httpcli.c b/src/core/lib/http/httpcli.c
index fdb8abaa2df1f67399b8042c27f4fdc3304ee172..1035f311095010ee03beb195c8437ce3d1591a43 100644
--- a/src/core/lib/http/httpcli.c
+++ b/src/core/lib/http/httpcli.c
@@ -278,6 +278,7 @@ static void internal_request_begin(grpc_exec_ctx *exec_ctx,
grpc_polling_entity_add_to_pollset_set(exec_ctx, req->pollent,
req->context->pollset_set);
grpc_resolve_address(exec_ctx, request->host, req->handshaker->default_port,
+ req->context->pollset_set,
grpc_closure_create(on_resolved, req), &req->addresses);
}
diff --git a/src/core/lib/iomgr/resolve_address.h b/src/core/lib/iomgr/resolve_address.h
index 275924448a16f8b217f024b9bd0d559a7c5d334e..e03d16fa4ead33f357de901232fb0ca6dd0d5a85 100644
--- a/src/core/lib/iomgr/resolve_address.h
+++ b/src/core/lib/iomgr/resolve_address.h
@@ -36,6 +36,7 @@
#include <stddef.h>
#include "src/core/lib/iomgr/exec_ctx.h"
+#include "src/core/lib/iomgr/pollset_set.h"
#define GRPC_MAX_SOCKADDR_SIZE 128
@@ -54,6 +55,7 @@ typedef struct {
/* TODO(ctiller): add a timeout here */
extern void (*grpc_resolve_address)(grpc_exec_ctx *exec_ctx, const char *addr,
const char *default_port,
+ grpc_pollset_set *interested_parties,
grpc_closure *on_done,
grpc_resolved_addresses **addresses);
/* Destroy resolved addresses */
diff --git a/src/core/lib/iomgr/resolve_address_posix.c b/src/core/lib/iomgr/resolve_address_posix.c
index de791b2b67ceaf3a749b8f0c0d049a30628e8fc1..821932e562d93a150476ce3369b9a51532b2a05a 100644
--- a/src/core/lib/iomgr/resolve_address_posix.c
+++ b/src/core/lib/iomgr/resolve_address_posix.c
@@ -181,6 +181,7 @@ void grpc_resolved_addresses_destroy(grpc_resolved_addresses *addrs) {
static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name,
const char *default_port,
+ grpc_pollset_set *interested_parties,
grpc_closure *on_done,
grpc_resolved_addresses **addrs) {
request *r = gpr_malloc(sizeof(request));
@@ -192,9 +193,9 @@ static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name,
grpc_executor_push(&r->request_closure, GRPC_ERROR_NONE);
}
-void (*grpc_resolve_address)(grpc_exec_ctx *exec_ctx, const char *name,
- const char *default_port, grpc_closure *on_done,
- grpc_resolved_addresses **addrs) =
- resolve_address_impl;
+void (*grpc_resolve_address)(
+ grpc_exec_ctx *exec_ctx, const char *name, const char *default_port,
+ grpc_pollset_set *interested_parties, grpc_closure *on_done,
+ grpc_resolved_addresses **addrs) = resolve_address_impl;
#endif
diff --git a/src/core/lib/iomgr/resolve_address_uv.c b/src/core/lib/iomgr/resolve_address_uv.c
index b8295acfa14ba18128d584beb5262c51b8a82625..3269c4f09ff7b294e030ab148529f23c50e64455 100644
--- a/src/core/lib/iomgr/resolve_address_uv.c
+++ b/src/core/lib/iomgr/resolve_address_uv.c
@@ -181,6 +181,7 @@ void grpc_resolved_addresses_destroy(grpc_resolved_addresses *addrs) {
static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name,
const char *default_port,
+ grpc_pollset_set *interested_parties,
grpc_closure *on_done,
grpc_resolved_addresses **addrs) {
uv_getaddrinfo_t *req;
@@ -223,9 +224,9 @@ static void resolve_address_impl(grpc_exec_ctx *exec_ctx, const char *name,
}
}
-void (*grpc_resolve_address)(grpc_exec_ctx *exec_ctx, const char *name,
- const char *default_port, grpc_closure *on_done,
- grpc_resolved_addresses **addrs) =
- resolve_address_impl;
+void (*grpc_resolve_address)(
+ grpc_exec_ctx *exec_ctx, const char *name, const char *default_port,
+ grpc_pollset_set *interested_parties, grpc_closure *on_done,
+ grpc_resolved_addresses **addrs) = resolve_address_impl;
#endif /* GRPC_UV */
diff --git a/test/core/end2end/fuzzers/api_fuzzer.c b/test/core/end2end/fuzzers/api_fuzzer.c
index 19ac6ced14b39a7c53dbbe2e2221e41a71e41d88..746134c85beb8c882d521e1e1498f5d7dc647631 100644
--- a/test/core/end2end/fuzzers/api_fuzzer.c
+++ b/test/core/end2end/fuzzers/api_fuzzer.c
@@ -361,7 +361,9 @@ static void finish_resolve(grpc_exec_ctx *exec_ctx, void *arg,
}
void my_resolve_address(grpc_exec_ctx *exec_ctx, const char *addr,
- const char *default_port, grpc_closure *on_done,
+ const char *default_port,
+ grpc_pollset_set *interested_parties,
+ grpc_closure *on_done,
grpc_resolved_addresses **addresses) {
addr_req *r = gpr_malloc(sizeof(*r));
r->addr = gpr_strdup(addr);
diff --git a/test/core/iomgr/resolve_address_test.c b/test/core/iomgr/resolve_address_test.c
index 2dd0d88b3f80b2cf82d08204e04388651d29060f..2f533137d83de3054296960f47b0c5985698ae3b 100644
--- a/test/core/iomgr/resolve_address_test.c
+++ b/test/core/iomgr/resolve_address_test.c
@@ -34,6 +34,7 @@
#include "src/core/lib/iomgr/resolve_address.h"
#include <grpc/support/log.h>
#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
#include <grpc/support/time.h>
#include "src/core/lib/iomgr/executor.h"
#include "src/core/lib/iomgr/iomgr.h"
@@ -46,16 +47,64 @@ static gpr_timespec test_deadline(void) {
typedef struct args_struct {
gpr_event ev;
grpc_resolved_addresses *addrs;
+ gpr_atm done_atm;
+ gpr_mu *mu;
+ grpc_pollset *pollset;
+ grpc_pollset_set *pollset_set;
} args_struct;
void args_init(args_struct *args) {
gpr_event_init(&args->ev);
+ grpc_pollset_init(args->pollset, &args->mu);
+ args->pollset_set = grpc_pollset_set_create();
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ grpc_pollset_set_add_pollset(&exec_ctx, args->pollset_set, args->pollset);
+ grpc_exec_ctx_finish(&exec_ctx);
args->addrs = NULL;
}
void args_finish(args_struct *args) {
GPR_ASSERT(gpr_event_wait(&args->ev, test_deadline()));
grpc_resolved_addresses_destroy(args->addrs);
+ grpc_pollset_set_destroy(args->pollset_set);
+ grpc_pollset_destroy(args->pollset);
+}
+
+static gpr_timespec n_sec_deadline(int seconds) {
+ return gpr_time_add(gpr_now(GPR_CLOCK_REALTIME),
+ gpr_time_from_seconds(seconds, GPR_TIMESPAN));
+}
+
+static void actually_poll(void *argsp) {
+ args_struct *args = argsp;
+ gpr_timespec deadline = n_sec_deadline(10);
+ grpc_pollset_worker *worker = NULL;
+ while (true) {
+ bool done = gpr_atm_acq_load(&args->done_atm) != 0;
+ if (done) {
+ break;
+ }
+ gpr_timespec time_left =
+ gpr_time_sub(deadline, gpr_now(GPR_CLOCK_REALTIME));
+ gpr_log(GPR_DEBUG, "done=%d, time_left=%" PRId64 ".%09d", done,
+ time_left.tv_sec, time_left.tv_nsec);
+ GPR_ASSERT(gpr_time_cmp(time_left, gpr_time_0(GPR_TIMESPAN)) >= 0);
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ gpr_mu_lock(args->mu);
+ GRPC_LOG_IF_ERROR(
+ "pollset_work",
+ grpc_pollset_work(&exec_ctx, args->pollset, &worker,
+ gpr_now(GPR_CLOCK_REALTIME), n_sec_deadline(1)));
+ gpr_mu_unlock(args->mu);
+ grpc_exec_ctx_finish(&exec_ctx);
+ }
+ gpr_event_set(&args->ev, (void *)1);
+}
+
+static void poll_pollset_until_request_done(args_struct *args) {
+ gpr_atm_rel_store(&args->done_atm, 0);
+ gpr_thd_id id;
+ gpr_thd_new(&id, actually_poll, args, NULL);
}
static void must_succeed(grpc_exec_ctx *exec_ctx, void *argsp,
@@ -64,20 +113,21 @@ static void must_succeed(grpc_exec_ctx *exec_ctx, void *argsp,
GPR_ASSERT(err == GRPC_ERROR_NONE);
GPR_ASSERT(args->addrs != NULL);
GPR_ASSERT(args->addrs->naddrs > 0);
- gpr_event_set(&args->ev, (void *)1);
+ gpr_atm_rel_store(&args->done_atm, 1);
}
static void must_fail(grpc_exec_ctx *exec_ctx, void *argsp, grpc_error *err) {
args_struct *args = argsp;
GPR_ASSERT(err != GRPC_ERROR_NONE);
- gpr_event_set(&args->ev, (void *)1);
+ gpr_atm_rel_store(&args->done_atm, 1);
}
static void test_localhost(void) {
args_struct args;
args_init(&args);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
- grpc_resolve_address(&exec_ctx, "localhost:1", NULL,
+ poll_pollset_until_request_done(&args);
+ grpc_resolve_address(&exec_ctx, "localhost:1", NULL, args.pollset_set,
grpc_closure_create(must_succeed, &args), &args.addrs);
grpc_exec_ctx_finish(&exec_ctx);
args_finish(&args);
@@ -87,7 +137,8 @@ static void test_default_port(void) {
args_struct args;
args_init(&args);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
- grpc_resolve_address(&exec_ctx, "localhost", "1",
+ poll_pollset_until_request_done(&args);
+ grpc_resolve_address(&exec_ctx, "localhost", "1", args.pollset_set,
grpc_closure_create(must_succeed, &args), &args.addrs);
grpc_exec_ctx_finish(&exec_ctx);
args_finish(&args);
@@ -97,7 +148,8 @@ static void test_missing_default_port(void) {
args_struct args;
args_init(&args);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
- grpc_resolve_address(&exec_ctx, "localhost", NULL,
+ poll_pollset_until_request_done(&args);
+ grpc_resolve_address(&exec_ctx, "localhost", NULL, args.pollset_set,
grpc_closure_create(must_fail, &args), &args.addrs);
grpc_exec_ctx_finish(&exec_ctx);
args_finish(&args);
@@ -107,7 +159,8 @@ static void test_ipv6_with_port(void) {
args_struct args;
args_init(&args);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
- grpc_resolve_address(&exec_ctx, "[2001:db8::1]:1", NULL,
+ poll_pollset_until_request_done(&args);
+ grpc_resolve_address(&exec_ctx, "[2001:db8::1]:1", NULL, args.pollset_set,
grpc_closure_create(must_succeed, &args), &args.addrs);
grpc_exec_ctx_finish(&exec_ctx);
args_finish(&args);
@@ -122,7 +175,8 @@ static void test_ipv6_without_port(void) {
args_struct args;
args_init(&args);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
- grpc_resolve_address(&exec_ctx, kCases[i], "80",
+ poll_pollset_until_request_done(&args);
+ grpc_resolve_address(&exec_ctx, kCases[i], "80", args.pollset_set,
grpc_closure_create(must_succeed, &args), &args.addrs);
grpc_exec_ctx_finish(&exec_ctx);
args_finish(&args);
@@ -138,7 +192,8 @@ static void test_invalid_ip_addresses(void) {
args_struct args;
args_init(&args);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
- grpc_resolve_address(&exec_ctx, kCases[i], NULL,
+ poll_pollset_until_request_done(&args);
+ grpc_resolve_address(&exec_ctx, kCases[i], NULL, args.pollset_set,
grpc_closure_create(must_fail, &args), &args.addrs);
grpc_exec_ctx_finish(&exec_ctx);
args_finish(&args);
@@ -154,7 +209,8 @@ static void test_unparseable_hostports(void) {
args_struct args;
args_init(&args);
grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
- grpc_resolve_address(&exec_ctx, kCases[i], "1",
+ poll_pollset_until_request_done(&args);
+ grpc_resolve_address(&exec_ctx, kCases[i], "1", args.pollset_set,
grpc_closure_create(must_fail, &args), &args.addrs);
grpc_exec_ctx_finish(&exec_ctx);
args_finish(&args);