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-rw-r--r--src/core/ext/lb_policy/grpclb/grpclb.c32
-rw-r--r--src/core/ext/lb_policy/round_robin/round_robin.c1
-rw-r--r--src/core/lib/channel/compress_filter.c10
-rw-r--r--src/core/lib/channel/http_server_filter.c7
-rw-r--r--src/core/lib/iomgr/network_status_tracker.c2
-rw-r--r--src/core/lib/iomgr/resource_quota.c197
-rw-r--r--src/core/lib/iomgr/resource_quota.h88
-rw-r--r--src/core/lib/iomgr/tcp_posix.c37
-rw-r--r--src/core/lib/iomgr/tcp_windows.c53
-rw-r--r--src/core/lib/surface/call.c6
-rw-r--r--src/core/lib/surface/version.c2
-rw-r--r--src/core/lib/transport/metadata.c10
-rw-r--r--src/core/lib/transport/pid_controller.c57
-rw-r--r--src/core/lib/transport/pid_controller.h64
-rw-r--r--src/cpp/common/channel_arguments.cc5
-rw-r--r--src/cpp/common/version_cc.cc41
-rwxr-xr-xsrc/google_benchmark/gen_build_yaml.py6
-rw-r--r--src/php/lib/Grpc/AbstractCall.php8
-rw-r--r--src/php/lib/Grpc/BaseStub.php2
-rwxr-xr-xsrc/php/tests/interop/interop_client.php8
-rw-r--r--src/php/tests/unit_tests/CallTest.php2
-rw-r--r--src/python/grpcio/grpc_core_dependencies.py1
-rw-r--r--src/python/grpcio_tests/tests/unit/_rpc_test.py4
23 files changed, 398 insertions, 245 deletions
diff --git a/src/core/ext/lb_policy/grpclb/grpclb.c b/src/core/ext/lb_policy/grpclb/grpclb.c
index 30e412e358..6249f8b80f 100644
--- a/src/core/ext/lb_policy/grpclb/grpclb.c
+++ b/src/core/ext/lb_policy/grpclb/grpclb.c
@@ -756,6 +756,18 @@ static void glb_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
glb_policy->pending_picks = NULL;
pending_ping *pping = glb_policy->pending_pings;
glb_policy->pending_pings = NULL;
+ if (glb_policy->rr_policy) {
+ GRPC_LB_POLICY_UNREF(exec_ctx, glb_policy->rr_policy, "glb_shutdown");
+ }
+ if (glb_policy->started_picking) {
+ if (glb_policy->lb_call != NULL) {
+ grpc_call_cancel(glb_policy->lb_call, NULL);
+ /* lb_on_server_status_received will pick up the cancel and clean up */
+ }
+ }
+ grpc_connectivity_state_set(
+ exec_ctx, &glb_policy->state_tracker, GRPC_CHANNEL_SHUTDOWN,
+ GRPC_ERROR_CREATE("Channel Shutdown"), "glb_shutdown");
gpr_mu_unlock(&glb_policy->mu);
while (pp != NULL) {
@@ -772,22 +784,6 @@ static void glb_shutdown(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol) {
GRPC_ERROR_NONE, NULL);
pping = next;
}
-
- if (glb_policy->rr_policy) {
- GRPC_LB_POLICY_UNREF(exec_ctx, glb_policy->rr_policy, "glb_shutdown");
- }
-
- if (glb_policy->started_picking) {
- if (glb_policy->lb_call != NULL) {
- grpc_call_cancel(glb_policy->lb_call, NULL);
- /* lb_on_server_status_received will pick up the cancellation and clean up
- */
- }
- }
-
- grpc_connectivity_state_set(
- exec_ctx, &glb_policy->state_tracker, GRPC_CHANNEL_SHUTDOWN,
- GRPC_ERROR_CREATE("Channel Shutdown"), "glb_shutdown");
}
static void glb_cancel_pick(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
@@ -994,7 +990,7 @@ static void lb_call_init(glb_lb_policy *glb_policy) {
BACKOFF_MAX_SECONDS * 1000);
}
-static void lb_call_destroy(glb_lb_policy *glb_policy) {
+static void lb_call_destroy_locked(glb_lb_policy *glb_policy) {
GPR_ASSERT(glb_policy->lb_call != NULL);
grpc_call_destroy(glb_policy->lb_call);
glb_policy->lb_call = NULL;
@@ -1199,7 +1195,7 @@ static void lb_on_server_status_received(grpc_exec_ctx *exec_ctx, void *arg,
}
/* We need to performe cleanups no matter what. */
- lb_call_destroy(glb_policy);
+ lb_call_destroy_locked(glb_policy);
if (!glb_policy->shutting_down) {
/* if we aren't shutting down, restart the LB client call after some time */
diff --git a/src/core/ext/lb_policy/round_robin/round_robin.c b/src/core/ext/lb_policy/round_robin/round_robin.c
index 427999aa6b..0fd3abe099 100644
--- a/src/core/ext/lb_policy/round_robin/round_robin.c
+++ b/src/core/ext/lb_policy/round_robin/round_robin.c
@@ -609,6 +609,7 @@ static void rr_ping_one(grpc_exec_ctx *exec_ctx, grpc_lb_policy *pol,
grpc_subchannel_get_connected_subchannel(selected->subchannel),
"picked");
grpc_connected_subchannel_ping(exec_ctx, target, closure);
+ GRPC_CONNECTED_SUBCHANNEL_UNREF(exec_ctx, target, "picked");
} else {
gpr_mu_unlock(&p->mu);
grpc_exec_ctx_sched(exec_ctx, closure,
diff --git a/src/core/lib/channel/compress_filter.c b/src/core/lib/channel/compress_filter.c
index 0981d59f63..23b7dfb8fd 100644
--- a/src/core/lib/channel/compress_filter.c
+++ b/src/core/lib/channel/compress_filter.c
@@ -111,9 +111,13 @@ static grpc_mdelem *compression_md_filter(void *user_data, grpc_mdelem *md) {
return md;
}
-static int skip_compression(grpc_call_element *elem) {
+static int skip_compression(grpc_call_element *elem, uint32_t flags) {
call_data *calld = elem->call_data;
channel_data *channeld = elem->channel_data;
+
+ if (flags & (GRPC_WRITE_NO_COMPRESS | GRPC_WRITE_INTERNAL_COMPRESS)) {
+ return 1;
+ }
if (calld->has_compression_algorithm) {
if (calld->compression_algorithm == GRPC_COMPRESS_NONE) {
return 1;
@@ -241,8 +245,8 @@ static void compress_start_transport_stream_op(grpc_exec_ctx *exec_ctx,
if (op->send_initial_metadata) {
process_send_initial_metadata(elem, op->send_initial_metadata);
}
- if (op->send_message != NULL && !skip_compression(elem) &&
- 0 == (op->send_message->flags & GRPC_WRITE_NO_COMPRESS)) {
+ if (op->send_message != NULL &&
+ !skip_compression(elem, op->send_message->flags)) {
calld->send_op = op;
calld->send_length = op->send_message->length;
calld->send_flags = op->send_message->flags;
diff --git a/src/core/lib/channel/http_server_filter.c b/src/core/lib/channel/http_server_filter.c
index f2221fb0fb..04670ff233 100644
--- a/src/core/lib/channel/http_server_filter.c
+++ b/src/core/lib/channel/http_server_filter.c
@@ -162,7 +162,6 @@ static grpc_mdelem *server_filter(void *user_data, grpc_mdelem *md) {
/* Retrieve the payload from the value of the 'grpc-internal-payload-bin'
header field */
calld->seen_payload_bin = 1;
- gpr_slice_buffer_init(&calld->read_slice_buffer);
gpr_slice_buffer_add(&calld->read_slice_buffer,
gpr_slice_ref(md->value->slice));
grpc_slice_buffer_stream_init(&calld->read_stream,
@@ -314,13 +313,17 @@ static grpc_error *init_call_elem(grpc_exec_ctx *exec_ctx,
grpc_closure_init(&calld->hs_on_recv, hs_on_recv, elem);
grpc_closure_init(&calld->hs_on_complete, hs_on_complete, elem);
grpc_closure_init(&calld->hs_recv_message_ready, hs_recv_message_ready, elem);
+ gpr_slice_buffer_init(&calld->read_slice_buffer);
return GRPC_ERROR_NONE;
}
/* Destructor for call_data */
static void destroy_call_elem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
const grpc_call_final_info *final_info,
- void *ignored) {}
+ void *ignored) {
+ call_data *calld = elem->call_data;
+ gpr_slice_buffer_destroy(&calld->read_slice_buffer);
+}
/* Constructor for channel_data */
static void init_channel_elem(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/lib/iomgr/network_status_tracker.c b/src/core/lib/iomgr/network_status_tracker.c
index b4bb7e3cf7..a5ca9ed2c3 100644
--- a/src/core/lib/iomgr/network_status_tracker.c
+++ b/src/core/lib/iomgr/network_status_tracker.c
@@ -46,7 +46,7 @@ static gpr_mu g_endpoint_mutex;
void grpc_network_status_shutdown(void) {
if (head != NULL) {
gpr_log(GPR_ERROR,
- "Memory leaked as all network endpoints were not shut down");
+ "Memory leaked as not all network endpoints were shut down");
}
gpr_mu_destroy(&g_endpoint_mutex);
}
diff --git a/src/core/lib/iomgr/resource_quota.c b/src/core/lib/iomgr/resource_quota.c
index 8a06443d58..1770d72268 100644
--- a/src/core/lib/iomgr/resource_quota.c
+++ b/src/core/lib/iomgr/resource_quota.c
@@ -44,6 +44,81 @@
int grpc_resource_quota_trace = 0;
+/* Internal linked list pointers for a resource user */
+typedef struct {
+ grpc_resource_user *next;
+ grpc_resource_user *prev;
+} grpc_resource_user_link;
+
+/* Resource users are kept in (potentially) several intrusive linked lists
+ at once. These are the list names. */
+typedef enum {
+ /* Resource users that are waiting for an allocation */
+ GRPC_RULIST_AWAITING_ALLOCATION,
+ /* Resource users that have free memory available for internal reclamation */
+ GRPC_RULIST_NON_EMPTY_FREE_POOL,
+ /* Resource users that have published a benign reclamation is available */
+ GRPC_RULIST_RECLAIMER_BENIGN,
+ /* Resource users that have published a destructive reclamation is
+ available */
+ GRPC_RULIST_RECLAIMER_DESTRUCTIVE,
+ /* Number of lists: must be last */
+ GRPC_RULIST_COUNT
+} grpc_rulist;
+
+struct grpc_resource_user {
+ /* The quota this resource user consumes from */
+ grpc_resource_quota *resource_quota;
+
+ /* Closure to schedule an allocation under the resource quota combiner lock */
+ grpc_closure allocate_closure;
+ /* Closure to publish a non empty free pool under the resource quota combiner
+ lock */
+ grpc_closure add_to_free_pool_closure;
+
+ /* one ref for each ref call (released by grpc_resource_user_unref), and one
+ ref for each byte allocated (released by grpc_resource_user_free) */
+ gpr_atm refs;
+ /* is this resource user unlocked? starts at 0, increases for each shutdown
+ call */
+ gpr_atm shutdown;
+
+ gpr_mu mu;
+ /* The amount of memory (in bytes) this user has cached for its own use: to
+ avoid quota contention, each resource user can keep some memory in
+ addition to what it is immediately using (e.g., for caching), and the quota
+ can pull it back under memory pressure.
+ This value can become negative if more memory has been requested than
+ existed in the free pool, at which point the quota is consulted to bring
+ this value non-negative (asynchronously). */
+ int64_t free_pool;
+ /* A list of closures to call once free_pool becomes non-negative - ie when
+ all outstanding allocations have been granted. */
+ grpc_closure_list on_allocated;
+ /* True if we are currently trying to allocate from the quota, false if not */
+ bool allocating;
+ /* True if we are currently trying to add ourselves to the non-free quota
+ list, false otherwise */
+ bool added_to_free_pool;
+
+ /* Reclaimers: index 0 is the benign reclaimer, 1 is the destructive reclaimer
+ */
+ grpc_closure *reclaimers[2];
+ /* Trampoline closures to finish reclamation and re-enter the quota combiner
+ lock */
+ grpc_closure post_reclaimer_closure[2];
+
+ /* Closure to execute under the quota combiner to de-register and shutdown the
+ resource user */
+ grpc_closure destroy_closure;
+
+ /* Links in the various grpc_rulist lists */
+ grpc_resource_user_link links[GRPC_RULIST_COUNT];
+
+ /* The name of this resource user, for debugging/tracing */
+ char *name;
+};
+
struct grpc_resource_quota {
/* refcount */
gpr_refcount refs;
@@ -373,9 +448,19 @@ static void ru_post_destructive_reclaimer(grpc_exec_ctx *exec_ctx, void *ru,
rulist_add_tail(resource_user, GRPC_RULIST_RECLAIMER_DESTRUCTIVE);
}
+static void ru_shutdown(grpc_exec_ctx *exec_ctx, void *ru, grpc_error *error) {
+ grpc_resource_user *resource_user = ru;
+ grpc_exec_ctx_sched(exec_ctx, resource_user->reclaimers[0],
+ GRPC_ERROR_CANCELLED, NULL);
+ grpc_exec_ctx_sched(exec_ctx, resource_user->reclaimers[1],
+ GRPC_ERROR_CANCELLED, NULL);
+ resource_user->reclaimers[0] = NULL;
+ resource_user->reclaimers[1] = NULL;
+}
+
static void ru_destroy(grpc_exec_ctx *exec_ctx, void *ru, grpc_error *error) {
grpc_resource_user *resource_user = ru;
- GPR_ASSERT(resource_user->allocated == 0);
+ GPR_ASSERT(gpr_atm_no_barrier_load(&resource_user->refs) == 0);
for (int i = 0; i < GRPC_RULIST_COUNT; i++) {
rulist_remove(resource_user, (grpc_rulist)i);
}
@@ -383,13 +468,14 @@ static void ru_destroy(grpc_exec_ctx *exec_ctx, void *ru, grpc_error *error) {
GRPC_ERROR_CANCELLED, NULL);
grpc_exec_ctx_sched(exec_ctx, resource_user->reclaimers[1],
GRPC_ERROR_CANCELLED, NULL);
- grpc_exec_ctx_sched(exec_ctx, (grpc_closure *)gpr_atm_no_barrier_load(
- &resource_user->on_done_destroy_closure),
- GRPC_ERROR_NONE, NULL);
if (resource_user->free_pool != 0) {
resource_user->resource_quota->free_pool += resource_user->free_pool;
rq_step_sched(exec_ctx, resource_user->resource_quota);
}
+ grpc_resource_quota_internal_unref(exec_ctx, resource_user->resource_quota);
+ gpr_mu_destroy(&resource_user->mu);
+ gpr_free(resource_user->name);
+ gpr_free(resource_user);
}
static void ru_allocated_slices(grpc_exec_ctx *exec_ctx, void *arg,
@@ -539,9 +625,9 @@ const grpc_arg_pointer_vtable *grpc_resource_quota_arg_vtable(void) {
* grpc_resource_user api
*/
-void grpc_resource_user_init(grpc_resource_user *resource_user,
- grpc_resource_quota *resource_quota,
- const char *name) {
+grpc_resource_user *grpc_resource_user_create(
+ grpc_resource_quota *resource_quota, const char *name) {
+ grpc_resource_user *resource_user = gpr_malloc(sizeof(*resource_user));
resource_user->resource_quota =
grpc_resource_quota_internal_ref(resource_quota);
grpc_closure_init(&resource_user->allocate_closure, &ru_allocate,
@@ -555,12 +641,12 @@ void grpc_resource_user_init(grpc_resource_user *resource_user,
grpc_closure_init(&resource_user->destroy_closure, &ru_destroy,
resource_user);
gpr_mu_init(&resource_user->mu);
- resource_user->allocated = 0;
+ gpr_atm_rel_store(&resource_user->refs, 1);
+ gpr_atm_rel_store(&resource_user->shutdown, 0);
resource_user->free_pool = 0;
grpc_closure_list_init(&resource_user->on_allocated);
resource_user->allocating = false;
resource_user->added_to_free_pool = false;
- gpr_atm_no_barrier_store(&resource_user->on_done_destroy_closure, 0);
resource_user->reclaimers[0] = NULL;
resource_user->reclaimers[1] = NULL;
for (int i = 0; i < GRPC_RULIST_COUNT; i++) {
@@ -572,56 +658,54 @@ void grpc_resource_user_init(grpc_resource_user *resource_user,
gpr_asprintf(&resource_user->name, "anonymous_resource_user_%" PRIxPTR,
(intptr_t)resource_user);
}
+ return resource_user;
}
-void grpc_resource_user_shutdown(grpc_exec_ctx *exec_ctx,
- grpc_resource_user *resource_user,
- grpc_closure *on_done) {
- gpr_mu_lock(&resource_user->mu);
- GPR_ASSERT(gpr_atm_no_barrier_load(&resource_user->on_done_destroy_closure) ==
- 0);
- gpr_atm_no_barrier_store(&resource_user->on_done_destroy_closure,
- (gpr_atm)on_done);
- if (resource_user->allocated == 0) {
+static void ru_ref_by(grpc_resource_user *resource_user, gpr_atm amount) {
+ GPR_ASSERT(amount > 0);
+ GPR_ASSERT(gpr_atm_no_barrier_fetch_add(&resource_user->refs, amount) != 0);
+}
+
+static void ru_unref_by(grpc_exec_ctx *exec_ctx,
+ grpc_resource_user *resource_user, gpr_atm amount) {
+ GPR_ASSERT(amount > 0);
+ gpr_atm old = gpr_atm_full_fetch_add(&resource_user->refs, -amount);
+ GPR_ASSERT(old >= amount);
+ if (old == amount) {
grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner,
&resource_user->destroy_closure, GRPC_ERROR_NONE,
false);
}
- gpr_mu_unlock(&resource_user->mu);
}
-void grpc_resource_user_destroy(grpc_exec_ctx *exec_ctx,
- grpc_resource_user *resource_user) {
- grpc_resource_quota_internal_unref(exec_ctx, resource_user->resource_quota);
- gpr_mu_destroy(&resource_user->mu);
- gpr_free(resource_user->name);
+void grpc_resource_user_ref(grpc_resource_user *resource_user) {
+ ru_ref_by(resource_user, 1);
+}
+
+void grpc_resource_user_unref(grpc_exec_ctx *exec_ctx,
+ grpc_resource_user *resource_user) {
+ ru_unref_by(exec_ctx, resource_user, 1);
+}
+
+void grpc_resource_user_shutdown(grpc_exec_ctx *exec_ctx,
+ grpc_resource_user *resource_user) {
+ if (gpr_atm_full_fetch_add(&resource_user->shutdown, 1) == 0) {
+ grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner,
+ grpc_closure_create(ru_shutdown, resource_user),
+ GRPC_ERROR_NONE, false);
+ }
}
void grpc_resource_user_alloc(grpc_exec_ctx *exec_ctx,
grpc_resource_user *resource_user, size_t size,
grpc_closure *optional_on_done) {
gpr_mu_lock(&resource_user->mu);
- grpc_closure *on_done_destroy = (grpc_closure *)gpr_atm_no_barrier_load(
- &resource_user->on_done_destroy_closure);
- if (on_done_destroy != NULL) {
- /* already shutdown */
- if (grpc_resource_quota_trace) {
- gpr_log(GPR_DEBUG, "RQ %s %s: alloc %" PRIdPTR " after shutdown",
- resource_user->resource_quota->name, resource_user->name, size);
- }
- grpc_exec_ctx_sched(
- exec_ctx, optional_on_done,
- GRPC_ERROR_CREATE("Buffer pool user is already shutdown"), NULL);
- gpr_mu_unlock(&resource_user->mu);
- return;
- }
- resource_user->allocated += (int64_t)size;
+ ru_ref_by(resource_user, (gpr_atm)size);
resource_user->free_pool -= (int64_t)size;
if (grpc_resource_quota_trace) {
- gpr_log(GPR_DEBUG, "RQ %s %s: alloc %" PRIdPTR "; allocated -> %" PRId64
- ", free_pool -> %" PRId64,
+ gpr_log(GPR_DEBUG, "RQ %s %s: alloc %" PRIdPTR "; free_pool -> %" PRId64,
resource_user->resource_quota->name, resource_user->name, size,
- resource_user->allocated, resource_user->free_pool);
+ resource_user->free_pool);
}
if (resource_user->free_pool < 0) {
grpc_closure_list_append(&resource_user->on_allocated, optional_on_done,
@@ -641,15 +725,12 @@ void grpc_resource_user_alloc(grpc_exec_ctx *exec_ctx,
void grpc_resource_user_free(grpc_exec_ctx *exec_ctx,
grpc_resource_user *resource_user, size_t size) {
gpr_mu_lock(&resource_user->mu);
- GPR_ASSERT(resource_user->allocated >= (int64_t)size);
bool was_zero_or_negative = resource_user->free_pool <= 0;
resource_user->free_pool += (int64_t)size;
- resource_user->allocated -= (int64_t)size;
if (grpc_resource_quota_trace) {
- gpr_log(GPR_DEBUG, "RQ %s %s: free %" PRIdPTR "; allocated -> %" PRId64
- ", free_pool -> %" PRId64,
+ gpr_log(GPR_DEBUG, "RQ %s %s: free %" PRIdPTR "; free_pool -> %" PRId64,
resource_user->resource_quota->name, resource_user->name, size,
- resource_user->allocated, resource_user->free_pool);
+ resource_user->free_pool);
}
bool is_bigger_than_zero = resource_user->free_pool > 0;
if (is_bigger_than_zero && was_zero_or_negative &&
@@ -659,29 +740,23 @@ void grpc_resource_user_free(grpc_exec_ctx *exec_ctx,
&resource_user->add_to_free_pool_closure,
GRPC_ERROR_NONE, false);
}
- grpc_closure *on_done_destroy = (grpc_closure *)gpr_atm_no_barrier_load(
- &resource_user->on_done_destroy_closure);
- if (on_done_destroy != NULL && resource_user->allocated == 0) {
- grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner,
- &resource_user->destroy_closure, GRPC_ERROR_NONE,
- false);
- }
gpr_mu_unlock(&resource_user->mu);
+ ru_unref_by(exec_ctx, resource_user, (gpr_atm)size);
}
void grpc_resource_user_post_reclaimer(grpc_exec_ctx *exec_ctx,
grpc_resource_user *resource_user,
bool destructive,
grpc_closure *closure) {
- if (gpr_atm_acq_load(&resource_user->on_done_destroy_closure) == 0) {
- GPR_ASSERT(resource_user->reclaimers[destructive] == NULL);
- resource_user->reclaimers[destructive] = closure;
- grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner,
- &resource_user->post_reclaimer_closure[destructive],
- GRPC_ERROR_NONE, false);
- } else {
+ GPR_ASSERT(resource_user->reclaimers[destructive] == NULL);
+ if (gpr_atm_acq_load(&resource_user->shutdown) > 0) {
grpc_exec_ctx_sched(exec_ctx, closure, GRPC_ERROR_CANCELLED, NULL);
+ return;
}
+ resource_user->reclaimers[destructive] = closure;
+ grpc_combiner_execute(exec_ctx, resource_user->resource_quota->combiner,
+ &resource_user->post_reclaimer_closure[destructive],
+ GRPC_ERROR_NONE, false);
}
void grpc_resource_user_finish_reclamation(grpc_exec_ctx *exec_ctx,
diff --git a/src/core/lib/iomgr/resource_quota.h b/src/core/lib/iomgr/resource_quota.h
index da68f21a2c..bbe0af1a14 100644
--- a/src/core/lib/iomgr/resource_quota.h
+++ b/src/core/lib/iomgr/resource_quota.h
@@ -84,91 +84,15 @@ void grpc_resource_quota_internal_unref(grpc_exec_ctx *exec_ctx,
grpc_resource_quota *grpc_resource_quota_from_channel_args(
const grpc_channel_args *channel_args);
-/* Resource users are kept in (potentially) several intrusive linked lists
- at once. These are the list names. */
-typedef enum {
- /* Resource users that are waiting for an allocation */
- GRPC_RULIST_AWAITING_ALLOCATION,
- /* Resource users that have free memory available for internal reclamation */
- GRPC_RULIST_NON_EMPTY_FREE_POOL,
- /* Resource users that have published a benign reclamation is available */
- GRPC_RULIST_RECLAIMER_BENIGN,
- /* Resource users that have published a destructive reclamation is
- available */
- GRPC_RULIST_RECLAIMER_DESTRUCTIVE,
- /* Number of lists: must be last */
- GRPC_RULIST_COUNT
-} grpc_rulist;
-
typedef struct grpc_resource_user grpc_resource_user;
-/* Internal linked list pointers for a resource user */
-typedef struct {
- grpc_resource_user *next;
- grpc_resource_user *prev;
-} grpc_resource_user_link;
-
-struct grpc_resource_user {
- /* The quota this resource user consumes from */
- grpc_resource_quota *resource_quota;
-
- /* Closure to schedule an allocation under the resource quota combiner lock */
- grpc_closure allocate_closure;
- /* Closure to publish a non empty free pool under the resource quota combiner
- lock */
- grpc_closure add_to_free_pool_closure;
-
- gpr_mu mu;
- /* Total allocated memory outstanding by this resource user in bytes;
- always positive */
- int64_t allocated;
- /* The amount of memory (in bytes) this user has cached for its own use: to
- avoid quota contention, each resource user can keep some memory in
- addition to what it is immediately using (e.g., for caching), and the quota
- can pull it back under memory pressure.
- This value can become negative if more memory has been requested than
- existed in the free pool, at which point the quota is consulted to bring
- this value non-negative (asynchronously). */
- int64_t free_pool;
- /* A list of closures to call once free_pool becomes non-negative - ie when
- all outstanding allocations have been granted. */
- grpc_closure_list on_allocated;
- /* True if we are currently trying to allocate from the quota, false if not */
- bool allocating;
- /* True if we are currently trying to add ourselves to the non-free quota
- list, false otherwise */
- bool added_to_free_pool;
-
- /* Reclaimers: index 0 is the benign reclaimer, 1 is the destructive reclaimer
- */
- grpc_closure *reclaimers[2];
- /* Trampoline closures to finish reclamation and re-enter the quota combiner
- lock */
- grpc_closure post_reclaimer_closure[2];
-
- /* Closure to execute under the quota combiner to de-register and shutdown the
- resource user */
- grpc_closure destroy_closure;
- /* User supplied closure to call once the user has finished shutting down AND
- all outstanding allocations have been freed. Real type is grpc_closure*,
- but it's stored as an atomic to avoid a mutex on some fast paths. */
- gpr_atm on_done_destroy_closure;
-
- /* Links in the various grpc_rulist lists */
- grpc_resource_user_link links[GRPC_RULIST_COUNT];
-
- /* The name of this resource user, for debugging/tracing */
- char *name;
-};
-
-void grpc_resource_user_init(grpc_resource_user *resource_user,
- grpc_resource_quota *resource_quota,
- const char *name);
+grpc_resource_user *grpc_resource_user_create(
+ grpc_resource_quota *resource_quota, const char *name);
+void grpc_resource_user_ref(grpc_resource_user *resource_user);
+void grpc_resource_user_unref(grpc_exec_ctx *exec_ctx,
+ grpc_resource_user *resource_user);
void grpc_resource_user_shutdown(grpc_exec_ctx *exec_ctx,
- grpc_resource_user *resource_user,
- grpc_closure *on_done);
-void grpc_resource_user_destroy(grpc_exec_ctx *exec_ctx,
- grpc_resource_user *resource_user);
+ grpc_resource_user *resource_user);
/* Allocate from the resource user (and its quota).
If optional_on_done is NULL, then allocate immediately. This may push the
diff --git a/src/core/lib/iomgr/tcp_posix.c b/src/core/lib/iomgr/tcp_posix.c
index 880af93ee1..70416c6eef 100644
--- a/src/core/lib/iomgr/tcp_posix.c
+++ b/src/core/lib/iomgr/tcp_posix.c
@@ -102,7 +102,7 @@ typedef struct {
char *peer_string;
- grpc_resource_user resource_user;
+ grpc_resource_user *resource_user;
grpc_resource_user_slice_allocator slice_allocator;
} grpc_tcp;
@@ -110,28 +110,18 @@ static void tcp_handle_read(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */,
grpc_error *error);
static void tcp_handle_write(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */,
grpc_error *error);
-static void tcp_unref_closure(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */,
- grpc_error *error);
-
-static void tcp_maybe_shutdown_resource_user(grpc_exec_ctx *exec_ctx,
- grpc_tcp *tcp) {
- if (gpr_atm_full_fetch_add(&tcp->shutdown_count, 1) == 0) {
- grpc_resource_user_shutdown(exec_ctx, &tcp->resource_user,
- grpc_closure_create(tcp_unref_closure, tcp));
- }
-}
static void tcp_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
grpc_tcp *tcp = (grpc_tcp *)ep;
- tcp_maybe_shutdown_resource_user(exec_ctx, tcp);
grpc_fd_shutdown(exec_ctx, tcp->em_fd);
+ grpc_resource_user_shutdown(exec_ctx, tcp->resource_user);
}
static void tcp_free(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) {
grpc_fd_orphan(exec_ctx, tcp->em_fd, tcp->release_fd_cb, tcp->release_fd,
"tcp_unref_orphan");
gpr_slice_buffer_destroy(&tcp->last_read_buffer);
- grpc_resource_user_destroy(exec_ctx, &tcp->resource_user);
+ grpc_resource_user_unref(exec_ctx, tcp->resource_user);
gpr_free(tcp->peer_string);
gpr_free(tcp);
}
@@ -168,15 +158,9 @@ static void tcp_unref(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) {
static void tcp_ref(grpc_tcp *tcp) { gpr_ref(&tcp->refcount); }
#endif
-static void tcp_unref_closure(grpc_exec_ctx *exec_ctx, void *arg,
- grpc_error *error) {
- TCP_UNREF(exec_ctx, arg, "resource_user");
-}
-
static void tcp_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
grpc_network_status_unregister_endpoint(ep);
grpc_tcp *tcp = (grpc_tcp *)ep;
- tcp_maybe_shutdown_resource_user(exec_ctx, tcp);
gpr_slice_buffer_reset_and_unref(&tcp->last_read_buffer);
TCP_UNREF(exec_ctx, tcp, "destroy");
}
@@ -515,7 +499,7 @@ static grpc_workqueue *tcp_get_workqueue(grpc_endpoint *ep) {
static grpc_resource_user *tcp_get_resource_user(grpc_endpoint *ep) {
grpc_tcp *tcp = (grpc_tcp *)ep;
- return &tcp->resource_user;
+ return tcp->resource_user;
}
static const grpc_endpoint_vtable vtable = {tcp_read,
@@ -543,9 +527,8 @@ grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd,
tcp->slice_size = slice_size;
tcp->iov_size = 1;
tcp->finished_edge = true;
- /* paired with unref in grpc_tcp_destroy, and with the shutdown for our
- * resource_user */
- gpr_ref_init(&tcp->refcount, 2);
+ /* paired with unref in grpc_tcp_destroy */
+ gpr_ref_init(&tcp->refcount, 1);
gpr_atm_no_barrier_store(&tcp->shutdown_count, 0);
tcp->em_fd = em_fd;
tcp->read_closure.cb = tcp_handle_read;
@@ -553,10 +536,9 @@ grpc_endpoint *grpc_tcp_create(grpc_fd *em_fd,
tcp->write_closure.cb = tcp_handle_write;
tcp->write_closure.cb_arg = tcp;
gpr_slice_buffer_init(&tcp->last_read_buffer);
- grpc_resource_user_init(&tcp->resource_user, resource_quota, peer_string);
- grpc_resource_user_slice_allocator_init(&tcp->slice_allocator,
- &tcp->resource_user,
- tcp_read_allocation_done, tcp);
+ tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string);
+ grpc_resource_user_slice_allocator_init(
+ &tcp->slice_allocator, tcp->resource_user, tcp_read_allocation_done, tcp);
/* Tell network status tracker about new endpoint */
grpc_network_status_register_endpoint(&tcp->base);
@@ -576,7 +558,6 @@ void grpc_tcp_destroy_and_release_fd(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
GPR_ASSERT(ep->vtable == &vtable);
tcp->release_fd = fd;
tcp->release_fd_cb = done;
- tcp_maybe_shutdown_resource_user(exec_ctx, tcp);
gpr_slice_buffer_reset_and_unref(&tcp->last_read_buffer);
TCP_UNREF(exec_ctx, tcp, "destroy");
}
diff --git a/src/core/lib/iomgr/tcp_windows.c b/src/core/lib/iomgr/tcp_windows.c
index 46f0491d10..e7abf2971f 100644
--- a/src/core/lib/iomgr/tcp_windows.c
+++ b/src/core/lib/iomgr/tcp_windows.c
@@ -109,46 +109,35 @@ typedef struct grpc_tcp {
gpr_slice_buffer *write_slices;
gpr_slice_buffer *read_slices;
- grpc_resource_user resource_user;
+ grpc_resource_user *resource_user;
/* The IO Completion Port runs from another thread. We need some mechanism
to protect ourselves when requesting a shutdown. */
gpr_mu mu;
int shutting_down;
- gpr_atm resource_user_shutdown_count;
-
char *peer_string;
} grpc_tcp;
-static void win_unref_closure(grpc_exec_ctx *exec_ctx, void *arg /* grpc_tcp */,
- grpc_error *error);
-
-static void win_maybe_shutdown_resource_user(grpc_exec_ctx *exec_ctx,
- grpc_tcp *tcp) {
- if (gpr_atm_full_fetch_add(&tcp->resource_user_shutdown_count, 1) == 0) {
- grpc_resource_user_shutdown(exec_ctx, &tcp->resource_user,
- grpc_closure_create(win_unref_closure, tcp));
- }
-}
-
-static void tcp_free(grpc_tcp *tcp) {
+static void tcp_free(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) {
grpc_winsocket_destroy(tcp->socket);
gpr_mu_destroy(&tcp->mu);
gpr_free(tcp->peer_string);
+ grpc_resource_user_unref(exec_ctx, tcp->resource_user);
gpr_free(tcp);
}
/*#define GRPC_TCP_REFCOUNT_DEBUG*/
#ifdef GRPC_TCP_REFCOUNT_DEBUG
-#define TCP_UNREF(tcp, reason) tcp_unref((tcp), (reason), __FILE__, __LINE__)
+#define TCP_UNREF(exec_ctx, tcp, reason) \
+ tcp_unref((exec_ctx), (tcp), (reason), __FILE__, __LINE__)
#define TCP_REF(tcp, reason) tcp_ref((tcp), (reason), __FILE__, __LINE__)
-static void tcp_unref(grpc_tcp *tcp, const char *reason, const char *file,
- int line) {
+static void tcp_unref(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp,
+ const char *reason, const char *file, int line) {
gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "TCP unref %p : %s %d -> %d", tcp,
reason, tcp->refcount.count, tcp->refcount.count - 1);
if (gpr_unref(&tcp->refcount)) {
- tcp_free(tcp);
+ tcp_free(exec_ctx, tcp);
}
}
@@ -159,22 +148,17 @@ static void tcp_ref(grpc_tcp *tcp, const char *reason, const char *file,
gpr_ref(&tcp->refcount);
}
#else
-#define TCP_UNREF(tcp, reason) tcp_unref((tcp))
+#define TCP_UNREF(exec_ctx, tcp, reason) tcp_unref((exec_ctx), (tcp))
#define TCP_REF(tcp, reason) tcp_ref((tcp))
-static void tcp_unref(grpc_tcp *tcp) {
+static void tcp_unref(grpc_exec_ctx *exec_ctx, grpc_tcp *tcp) {
if (gpr_unref(&tcp->refcount)) {
- tcp_free(tcp);
+ tcp_free(exec_ctx, tcp);
}
}
static void tcp_ref(grpc_tcp *tcp) { gpr_ref(&tcp->refcount); }
#endif
-static void win_unref_closure(grpc_exec_ctx *exec_ctx, void *arg,
- grpc_error *error) {
- TCP_UNREF(arg, "resource_user");
-}
-
/* Asynchronous callback from the IOCP, or the background thread. */
static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) {
grpc_tcp *tcp = tcpp;
@@ -203,7 +187,7 @@ static void on_read(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) {
}
tcp->read_cb = NULL;
- TCP_UNREF(tcp, "read");
+ TCP_UNREF(exec_ctx, tcp, "read");
grpc_exec_ctx_sched(exec_ctx, cb, error, NULL);
}
@@ -287,7 +271,7 @@ static void on_write(grpc_exec_ctx *exec_ctx, void *tcpp, grpc_error *error) {
}
}
- TCP_UNREF(tcp, "write");
+ TCP_UNREF(exec_ctx, tcp, "write");
grpc_exec_ctx_sched(exec_ctx, cb, error, NULL);
}
@@ -355,7 +339,7 @@ static void win_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep,
if (status != 0) {
int wsa_error = WSAGetLastError();
if (wsa_error != WSA_IO_PENDING) {
- TCP_UNREF(tcp, "write");
+ TCP_UNREF(exec_ctx, tcp, "write");
grpc_exec_ctx_sched(exec_ctx, cb, GRPC_WSA_ERROR(wsa_error, "WSASend"),
NULL);
return;
@@ -396,15 +380,14 @@ static void win_shutdown(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
callback. See the comments in on_read and on_write. */
tcp->shutting_down = 1;
grpc_winsocket_shutdown(tcp->socket);
- win_maybe_shutdown_resource_user(exec_ctx, tcp);
gpr_mu_unlock(&tcp->mu);
+ grpc_resource_user_shutdown(exec_ctx, tcp->resource_user);
}
static void win_destroy(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep) {
grpc_network_status_unregister_endpoint(ep);
grpc_tcp *tcp = (grpc_tcp *)ep;
- win_maybe_shutdown_resource_user(exec_ctx, tcp);
- TCP_UNREF(tcp, "destroy");
+ TCP_UNREF(exec_ctx, tcp, "destroy");
}
static char *win_get_peer(grpc_endpoint *ep) {
@@ -416,7 +399,7 @@ static grpc_workqueue *win_get_workqueue(grpc_endpoint *ep) { return NULL; }
static grpc_resource_user *win_get_resource_user(grpc_endpoint *ep) {
grpc_tcp *tcp = (grpc_tcp *)ep;
- return &tcp->resource_user;
+ return tcp->resource_user;
}
static grpc_endpoint_vtable vtable = {win_read,
@@ -441,7 +424,7 @@ grpc_endpoint *grpc_tcp_create(grpc_winsocket *socket,
grpc_closure_init(&tcp->on_read, on_read, tcp);
grpc_closure_init(&tcp->on_write, on_write, tcp);
tcp->peer_string = gpr_strdup(peer_string);
- grpc_resource_user_init(&tcp->resource_user, resource_quota, peer_string);
+ tcp->resource_user = grpc_resource_user_create(resource_quota, peer_string);
/* Tell network status tracking code about the new endpoint */
grpc_network_status_register_endpoint(&tcp->base);
diff --git a/src/core/lib/surface/call.c b/src/core/lib/surface/call.c
index 6c25952c0a..e3b088f663 100644
--- a/src/core/lib/surface/call.c
+++ b/src/core/lib/surface/call.c
@@ -1461,6 +1461,12 @@ static grpc_call_error call_start_batch(grpc_exec_ctx *exec_ctx,
grpc_slice_buffer_stream_init(
&call->sending_stream,
&op->data.send_message->data.raw.slice_buffer, op->flags);
+ /* If the outgoing buffer is already compressed, mark it as so in the
+ flags. These will be picked up by the compression filter and further
+ (wasteful) attempts at compression skipped. */
+ if (op->data.send_message->data.raw.compression > GRPC_COMPRESS_NONE) {
+ call->sending_stream.base.flags |= GRPC_WRITE_INTERNAL_COMPRESS;
+ }
stream_op->send_message = &call->sending_stream.base;
break;
case GRPC_OP_SEND_CLOSE_FROM_CLIENT:
diff --git a/src/core/lib/surface/version.c b/src/core/lib/surface/version.c
index 41242684da..0db8b41aa9 100644
--- a/src/core/lib/surface/version.c
+++ b/src/core/lib/surface/version.c
@@ -36,6 +36,6 @@
#include <grpc/grpc.h>
-const char *grpc_version_string(void) { return "1.1.0-dev"; }
+const char *grpc_version_string(void) { return "2.0.0-dev"; }
const char *grpc_g_stands_for(void) { return "good"; }
diff --git a/src/core/lib/transport/metadata.c b/src/core/lib/transport/metadata.c
index 4b40c275ad..f3c5321fe9 100644
--- a/src/core/lib/transport/metadata.c
+++ b/src/core/lib/transport/metadata.c
@@ -687,6 +687,11 @@ size_t grpc_mdstr_length(const grpc_mdstr *s) { return GRPC_MDSTR_LENGTH(s); }
grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *gs DEBUG_ARGS) {
internal_string *s = (internal_string *)gs;
if (is_mdstr_static(gs)) return gs;
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+ gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "STR REF:%p:%zu->%zu: '%s'",
+ (void *)s, gpr_atm_no_barrier_load(&s->refcnt),
+ gpr_atm_no_barrier_load(&s->refcnt) + 1, grpc_mdstr_as_c_string(gs));
+#endif
GPR_ASSERT(gpr_atm_full_fetch_add(&s->refcnt, 1) > 0);
return gs;
}
@@ -694,6 +699,11 @@ grpc_mdstr *grpc_mdstr_ref(grpc_mdstr *gs DEBUG_ARGS) {
void grpc_mdstr_unref(grpc_mdstr *gs DEBUG_ARGS) {
internal_string *s = (internal_string *)gs;
if (is_mdstr_static(gs)) return;
+#ifdef GRPC_METADATA_REFCOUNT_DEBUG
+ gpr_log(file, line, GPR_LOG_SEVERITY_DEBUG, "STR UNREF:%p:%zu->%zu: '%s'",
+ (void *)s, gpr_atm_no_barrier_load(&s->refcnt),
+ gpr_atm_no_barrier_load(&s->refcnt) - 1, grpc_mdstr_as_c_string(gs));
+#endif
if (1 == gpr_atm_full_fetch_add(&s->refcnt, -1)) {
strtab_shard *shard =
&g_strtab_shard[SHARD_IDX(s->hash, LOG2_STRTAB_SHARD_COUNT)];
diff --git a/src/core/lib/transport/pid_controller.c b/src/core/lib/transport/pid_controller.c
new file mode 100644
index 0000000000..3cef225d4b
--- /dev/null
+++ b/src/core/lib/transport/pid_controller.c
@@ -0,0 +1,57 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "src/core/lib/transport/pid_controller.h"
+
+void grpc_pid_controller_init(grpc_pid_controller *pid_controller,
+ double gain_p, double gain_i, double gain_d) {
+ pid_controller->gain_p = gain_p;
+ pid_controller->gain_i = gain_i;
+ pid_controller->gain_d = gain_d;
+ grpc_pid_controller_reset(pid_controller);
+}
+
+void grpc_pid_controller_reset(grpc_pid_controller *pid_controller) {
+ pid_controller->last_error = 0.0;
+ pid_controller->error_integral = 0.0;
+}
+
+double grpc_pid_controller_update(grpc_pid_controller *pid_controller,
+ double error, double dt) {
+ pid_controller->error_integral += error * dt;
+ double diff_error = (error - pid_controller->last_error) / dt;
+ pid_controller->last_error = error;
+ return dt * (pid_controller->gain_p * error +
+ pid_controller->gain_i * pid_controller->error_integral +
+ pid_controller->gain_d * diff_error);
+}
diff --git a/src/core/lib/transport/pid_controller.h b/src/core/lib/transport/pid_controller.h
new file mode 100644
index 0000000000..059b5b0834
--- /dev/null
+++ b/src/core/lib/transport/pid_controller.h
@@ -0,0 +1,64 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_LIB_TRANSPORT_PID_CONTROLLER_H
+#define GRPC_CORE_LIB_TRANSPORT_PID_CONTROLLER_H
+
+/* \file Simple PID controller.
+ Implements a proportional-integral-derivative controller.
+ Used when we want to iteratively control a variable to converge some other
+ observed value to a 'set-point'.
+ Gains can be set to adjust sensitivity to current error (p), the integral
+ of error (i), and the derivative of error (d). */
+
+typedef struct {
+ double gain_p;
+ double gain_i;
+ double gain_d;
+ double last_error;
+ double error_integral;
+} grpc_pid_controller;
+
+/** Initialize the controller */
+void grpc_pid_controller_init(grpc_pid_controller *pid_controller,
+ double gain_p, double gain_i, double gain_d);
+
+/** Reset the controller: useful when things have changed significantly */
+void grpc_pid_controller_reset(grpc_pid_controller *pid_controller);
+
+/** Update the controller: given a current error estimate, and the time since
+ the last update, returns a delta to the control value */
+double grpc_pid_controller_update(grpc_pid_controller *pid_controller,
+ double error, double dt);
+
+#endif
diff --git a/src/cpp/common/channel_arguments.cc b/src/cpp/common/channel_arguments.cc
index c6cad8eeae..d86ba9dd4e 100644
--- a/src/cpp/common/channel_arguments.cc
+++ b/src/cpp/common/channel_arguments.cc
@@ -34,6 +34,7 @@
#include <sstream>
+#include <grpc++/grpc++.h>
#include <grpc++/resource_quota.h>
#include <grpc/impl/codegen/grpc_types.h>
#include <grpc/support/log.h>
@@ -42,10 +43,8 @@
namespace grpc {
ChannelArguments::ChannelArguments() {
- std::ostringstream user_agent_prefix;
- user_agent_prefix << "grpc-c++/" << grpc_version_string();
// This will be ignored if used on the server side.
- SetString(GRPC_ARG_PRIMARY_USER_AGENT_STRING, user_agent_prefix.str());
+ SetString(GRPC_ARG_PRIMARY_USER_AGENT_STRING, "grpc-c++/" + Version());
}
ChannelArguments::ChannelArguments(const ChannelArguments& other)
diff --git a/src/cpp/common/version_cc.cc b/src/cpp/common/version_cc.cc
new file mode 100644
index 0000000000..7be338417f
--- /dev/null
+++ b/src/cpp/common/version_cc.cc
@@ -0,0 +1,41 @@
+/*
+ *
+ * Copyright 2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/* This file is autogenerated from:
+ templates/src/core/surface/version.c.template */
+
+#include <grpc++/grpc++.h>
+
+namespace grpc {
+grpc::string Version() { return "1.1.0-dev"; }
+}
diff --git a/src/google_benchmark/gen_build_yaml.py b/src/google_benchmark/gen_build_yaml.py
index f3b3f46132..302e08737a 100755
--- a/src/google_benchmark/gen_build_yaml.py
+++ b/src/google_benchmark/gen_build_yaml.py
@@ -44,8 +44,10 @@ out['libs'] = [{
'language': 'c++',
'secure': 'no',
'defaults': 'google_benchmark',
- 'src': glob.glob('third_party/google_benchmark/src/*.cc'),
- 'headers': glob.glob('third_party/google_benchmark/src/*.h') + glob.glob('third_party/google_benchmark/include/benchmark/*.h'),
+ 'src': sorted(glob.glob('third_party/google_benchmark/src/*.cc')),
+ 'headers': sorted(
+ glob.glob('third_party/google_benchmark/src/*.h') +
+ glob.glob('third_party/google_benchmark/include/benchmark/*.h')),
}]
print yaml.dump(out)
diff --git a/src/php/lib/Grpc/AbstractCall.php b/src/php/lib/Grpc/AbstractCall.php
index e24be3fc76..c4d56790f7 100644
--- a/src/php/lib/Grpc/AbstractCall.php
+++ b/src/php/lib/Grpc/AbstractCall.php
@@ -35,7 +35,7 @@
namespace Grpc;
/**
- * Class AbstractCall
+ * Class AbstractCall.
* @package Grpc
*/
abstract class AbstractCall
@@ -121,13 +121,14 @@ abstract class AbstractCall
}
/**
- * Serialize a message to the protobuf binary format
+ * Serialize a message to the protobuf binary format.
*
* @param mixed $data The Protobuf message
*
* @return string The protobuf binary format
*/
- protected function serializeMessage($data) {
+ protected function serializeMessage($data)
+ {
// Proto3 implementation
if (method_exists($data, 'encode')) {
return $data->encode();
@@ -155,6 +156,7 @@ abstract class AbstractCall
list($className, $deserializeFunc) = $this->deserialize;
$obj = new $className();
$obj->$deserializeFunc($value);
+
return $obj;
}
diff --git a/src/php/lib/Grpc/BaseStub.php b/src/php/lib/Grpc/BaseStub.php
index 36d94cae2c..d0baeae955 100644
--- a/src/php/lib/Grpc/BaseStub.php
+++ b/src/php/lib/Grpc/BaseStub.php
@@ -252,7 +252,7 @@ class BaseStub
*
* @param string $method The name of the method to call
* @param array $arguments An array or Traversable of arguments to stream to the
- * server
+ * server
* @param callable $deserialize A function that deserializes the response
* @param array $metadata A metadata map to send to the server
*
diff --git a/src/php/tests/interop/interop_client.php b/src/php/tests/interop/interop_client.php
index 3d62e86ab0..d201915d66 100755
--- a/src/php/tests/interop/interop_client.php
+++ b/src/php/tests/interop/interop_client.php
@@ -477,10 +477,10 @@ function statusCodeAndMessage($stub)
list($result, $status) = $call->wait();
hardAssert($status->code === 2,
- 'Received unexpected UnaryCall status code: ' .
+ 'Received unexpected UnaryCall status code: '.
$status->code);
hardAssert($status->details === 'test status message',
- 'Received unexpected UnaryCall status details: ' .
+ 'Received unexpected UnaryCall status details: '.
$status->details);
$streaming_call = $stub->FullDuplexCall();
@@ -493,10 +493,10 @@ function statusCodeAndMessage($stub)
$status = $streaming_call->getStatus();
hardAssert($status->code === 2,
- 'Received unexpected FullDuplexCall status code: ' .
+ 'Received unexpected FullDuplexCall status code: '.
$status->code);
hardAssert($status->details === 'test status message',
- 'Received unexpected FullDuplexCall status details: ' .
+ 'Received unexpected FullDuplexCall status details: '.
$status->details);
}
diff --git a/src/php/tests/unit_tests/CallTest.php b/src/php/tests/unit_tests/CallTest.php
index 1205f0cd8e..f60eb96730 100644
--- a/src/php/tests/unit_tests/CallTest.php
+++ b/src/php/tests/unit_tests/CallTest.php
@@ -94,7 +94,7 @@ class CallTest extends PHPUnit_Framework_TestCase
$batch = [
Grpc\OP_SEND_INITIAL_METADATA => ['key1' => ['value1'],
'key2' => ['value2',
- 'value3'], ],
+ 'value3', ], ],
];
$result = $this->call->startBatch($batch);
$this->assertTrue($result->send_metadata);
diff --git a/src/python/grpcio/grpc_core_dependencies.py b/src/python/grpcio/grpc_core_dependencies.py
index 1ad423909f..8f4b3bc9b2 100644
--- a/src/python/grpcio/grpc_core_dependencies.py
+++ b/src/python/grpcio/grpc_core_dependencies.py
@@ -181,6 +181,7 @@ CORE_SOURCE_FILES = [
'src/core/lib/transport/metadata.c',
'src/core/lib/transport/metadata_batch.c',
'src/core/lib/transport/method_config.c',
+ 'src/core/lib/transport/pid_controller.c',
'src/core/lib/transport/static_metadata.c',
'src/core/lib/transport/timeout_encoding.c',
'src/core/lib/transport/transport.c',
diff --git a/src/python/grpcio_tests/tests/unit/_rpc_test.py b/src/python/grpcio_tests/tests/unit/_rpc_test.py
index ab6546bf87..eb00156da5 100644
--- a/src/python/grpcio_tests/tests/unit/_rpc_test.py
+++ b/src/python/grpcio_tests/tests/unit/_rpc_test.py
@@ -191,6 +191,10 @@ class RPCTest(unittest.TestCase):
self._channel = grpc.insecure_channel('localhost:%d' % port)
+ def tearDown(self):
+ self._server.stop(None)
+ self._server_pool.shutdown(wait=True)
+
def testUnrecognizedMethod(self):
request = b'abc'