Chiebot-Mirror
/
grpc
mirror of https://github.com/grpc/grpc.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity

correctly use cq vtable for all functions

Browse Source
pull/10662/head
Sree Kuchibhotla 8 years ago
parent 8e3684518d
commit 736dd90614
2 changed files with 82 additions and 57 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 123
      src/core/lib/surface/completion_queue.c
  2. 16
      src/core/lib/surface/completion_queue.h

123
src/core/lib/surface/completion_queue.c
Unescape View File

@ -278,22 +278,52 @@ struct grpc_completion_queue {
const cq_poller_vtable *poller_vtable;
};
/* Forward declarations */
static void cq_finish_shutdown(grpc_exec_ctx *exec_ctx,
grpc_completion_queue *cc);
static size_t cq_size(grpc_completion_queue *cc);
static void cq_begin_op(grpc_completion_queue *cc, void *tag);
static void cq_end_op_for_next(grpc_exec_ctx *exec_ctx,
grpc_completion_queue *cc, void *tag,
grpc_error *error,
void (*done)(grpc_exec_ctx *exec_ctx,
void *done_arg,
grpc_cq_completion *storage),
void *done_arg, grpc_cq_completion *storage);
static void cq_end_op_for_pluck(grpc_exec_ctx *exec_ctx,
grpc_completion_queue *cc, void *tag,
grpc_error *error,
void (*done)(grpc_exec_ctx *exec_ctx,
void *done_arg,
grpc_cq_completion *storage),
void *done_arg, grpc_cq_completion *storage);
static grpc_event cq_next(grpc_completion_queue *cc, gpr_timespec deadline,
void *reserved);
static grpc_event cq_pluck(grpc_completion_queue *cc, void *tag,
gpr_timespec deadline, void *reserved);
/* Completion queue vtables based on the completion-type */
static const cq_vtable g_cq_vtable[] = {
/* GRPC_CQ_NEXT */
{.cq_completion_type = GRPC_CQ_NEXT,
.size = grpc_cq_size,
.begin_op = grpc_cq_begin_op,
.end_op = grpc_cq_end_op_for_next,
.next = grpc_completion_queue_next,
.size = cq_size,
.begin_op = cq_begin_op,
.end_op = cq_end_op_for_next,
.next = cq_next,
.pluck = NULL},
/* GRPC_CQ_PLUCK */
{.cq_completion_type = GRPC_CQ_PLUCK,
.size = grpc_cq_size,
.begin_op = grpc_cq_begin_op,
.end_op = grpc_cq_end_op_for_pluck,
.size = cq_size,
.begin_op = cq_begin_op,
.end_op = cq_end_op_for_pluck,
.next = NULL,
.pluck = grpc_completion_queue_pluck},
.pluck = cq_pluck},
};
#define POLLSET_FROM_CQ(cq) ((grpc_pollset *)(cq + 1))
@ -348,7 +378,7 @@ static long cq_event_queue_num_items(grpc_cq_event_queue *q) {
return (long)gpr_atm_no_barrier_load(&q->num_queue_items);
}
size_t grpc_cq_size(grpc_completion_queue *cc) {
static size_t cq_size(grpc_completion_queue *cc) {
/* Size of the completion queue and the size of the pollset whose memory is
allocated right after that of completion queue */
return sizeof(grpc_completion_queue) + cc->poller_vtable->size();
@ -450,7 +480,7 @@ void grpc_cq_internal_unref(grpc_completion_queue *cc) {
}
}
void grpc_cq_begin_op(grpc_completion_queue *cc, void *tag) {
static void cq_begin_op(grpc_completion_queue *cc, void *tag) {
cq_data *cqd = &cc->data;
#ifndef NDEBUG
gpr_mu_lock(cqd->mu);
@ -468,8 +498,12 @@ void grpc_cq_begin_op(grpc_completion_queue *cc, void *tag) {
gpr_ref(&cqd->pending_events);
}
void grpc_cq_begin_op(grpc_completion_queue *cc, void *tag) {
cc->vtable->begin_op(cc, tag);
}
#ifndef NDEBUG
void check_tag_in_cq(grpc_completion_queue *cc, void *tag, bool lock_cq) {
static void cq_check_tag(grpc_completion_queue *cc, void *tag, bool lock_cq) {
cq_data *cqd = &cc->data;
int found = 0;
if (lock_cq) {
@ -493,28 +527,25 @@ void check_tag_in_cq(grpc_completion_queue *cc, void *tag, bool lock_cq) {
GPR_ASSERT(found);
}
#else
void check_tag_in_cq(grpc_completion_queue *cc, void *tag, bool lock_cq) {}
static void cq_check_tag(grpc_completion_queue *cc, void *tag, bool lock_cq) {}
#endif
/* Forward declaration */
static void cq_finish_shutdown(grpc_exec_ctx *exec_ctx,
grpc_completion_queue *cc);
/* Queue a GRPC_OP_COMPLETED operation to a completion queue (with a completion
* type of GRPC_CQ_NEXT) */
void grpc_cq_end_op_for_next(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
void *tag, grpc_error *error,
void (*done)(grpc_exec_ctx *exec_ctx,
void *done_arg,
grpc_cq_completion *storage),
void *done_arg, grpc_cq_completion *storage) {
GPR_TIMER_BEGIN("grpc_cq_end_op_for_next", 0);
static void cq_end_op_for_next(grpc_exec_ctx *exec_ctx,
grpc_completion_queue *cc, void *tag,
grpc_error *error,
void (*done)(grpc_exec_ctx *exec_ctx,
void *done_arg,
grpc_cq_completion *storage),
void *done_arg, grpc_cq_completion *storage) {
GPR_TIMER_BEGIN("cq_end_op_for_next", 0);
if (grpc_api_trace ||
(grpc_trace_operation_failures && error != GRPC_ERROR_NONE)) {
const char *errmsg = grpc_error_string(error);
GRPC_API_TRACE(
"grpc_cq_end_op_for_mext(exec_ctx=%p, cc=%p, tag=%p, error=%s, "
"cq_end_op_for_next(exec_ctx=%p, cc=%p, tag=%p, error=%s, "
"done=%p, done_arg=%p, storage=%p)",
7, (exec_ctx, cc, tag, errmsg, done, done_arg, storage));
if (grpc_trace_operation_failures && error != GRPC_ERROR_NONE) {
@ -530,7 +561,7 @@ void grpc_cq_end_op_for_next(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
storage->done_arg = done_arg;
storage->next = (uintptr_t)(is_success);
check_tag_in_cq(cc, tag, true); /* Used in debug builds only */
cq_check_tag(cc, tag, true); /* Used in debug builds only */
/* Add the completion to the queue */
cq_event_queue_push(&cqd->queue, storage);
@ -554,30 +585,30 @@ void grpc_cq_end_op_for_next(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
gpr_mu_unlock(cqd->mu);
}
GPR_TIMER_END("grpc_cq_end_op_for_next", 0);
GPR_TIMER_END("cq_end_op_for_next", 0);
GRPC_ERROR_UNREF(error);
}
/* Queue a GRPC_OP_COMPLETED operation to a completion queue (with a completion
* type of GRPC_CQ_PLUCK) */
void grpc_cq_end_op_for_pluck(grpc_exec_ctx *exec_ctx,
grpc_completion_queue *cc, void *tag,
grpc_error *error,
void (*done)(grpc_exec_ctx *exec_ctx,
void *done_arg,
grpc_cq_completion *storage),
void *done_arg, grpc_cq_completion *storage) {
static void cq_end_op_for_pluck(grpc_exec_ctx *exec_ctx,
grpc_completion_queue *cc, void *tag,
grpc_error *error,
void (*done)(grpc_exec_ctx *exec_ctx,
void *done_arg,
grpc_cq_completion *storage),
void *done_arg, grpc_cq_completion *storage) {
cq_data *cqd = &cc->data;
int is_success = (error == GRPC_ERROR_NONE);
GPR_TIMER_BEGIN("grpc_cq_end_op_for_pluck", 0);
GPR_TIMER_BEGIN("cq_end_op_for_pluck", 0);
if (grpc_api_trace ||
(grpc_trace_operation_failures && error != GRPC_ERROR_NONE)) {
const char *errmsg = grpc_error_string(error);
GRPC_API_TRACE(
"grpc_cq_end_op_for_pluck(exec_ctx=%p, cc=%p, tag=%p, error=%s, "
"cq_end_op_for_pluck(exec_ctx=%p, cc=%p, tag=%p, error=%s, "
"done=%p, done_arg=%p, storage=%p)",
7, (exec_ctx, cc, tag, errmsg, done, done_arg, storage));
if (grpc_trace_operation_failures && error != GRPC_ERROR_NONE) {
@ -591,7 +622,7 @@ void grpc_cq_end_op_for_pluck(grpc_exec_ctx *exec_ctx,
storage->next = ((uintptr_t)&cqd->completed_head) | ((uintptr_t)(is_success));
gpr_mu_lock(cqd->mu);
check_tag_in_cq(cc, tag, false); /* Used in debug builds only */
cq_check_tag(cc, tag, false); /* Used in debug builds only */
/* Add to the list of completions */
gpr_atm_no_barrier_fetch_add(&cqd->things_queued_ever, 1);
@ -625,7 +656,7 @@ void grpc_cq_end_op_for_pluck(grpc_exec_ctx *exec_ctx,
gpr_mu_unlock(cqd->mu);
}
GPR_TIMER_END("grpc_cq_end_op_for_pluck", 0);
GPR_TIMER_END("cq_end_op_for_pluck", 0);
GRPC_ERROR_UNREF(error);
}
@ -698,8 +729,8 @@ static void dump_pending_tags(grpc_completion_queue *cc) {
static void dump_pending_tags(grpc_completion_queue *cc) {}
#endif
grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
gpr_timespec deadline, void *reserved) {
static grpc_event cq_next(grpc_completion_queue *cc, gpr_timespec deadline,
void *reserved) {
grpc_event ret;
gpr_timespec now;
cq_data *cqd = &cc->data;
@ -827,6 +858,11 @@ grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
return ret;
}
grpc_event grpc_completion_queue_next(grpc_completion_queue *cc,
gpr_timespec deadline, void *reserved) {
return cc->vtable->next(cc, deadline, reserved);
}
static int add_plucker(grpc_completion_queue *cc, void *tag,
grpc_pollset_worker **worker) {
cq_data *cqd = &cc->data;
@ -885,8 +921,8 @@ static bool cq_is_pluck_finished(grpc_exec_ctx *exec_ctx, void *arg) {
gpr_time_cmp(a->deadline, gpr_now(a->deadline.clock_type)) < 0;
}
grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
gpr_timespec deadline, void *reserved) {
static grpc_event cq_pluck(grpc_completion_queue *cc, void *tag,
gpr_timespec deadline, void *reserved) {
grpc_event ret;
grpc_cq_completion *c;
grpc_cq_completion *prev;
@ -1019,6 +1055,11 @@ done:
return ret;
}
grpc_event grpc_completion_queue_pluck(grpc_completion_queue *cc, void *tag,
gpr_timespec deadline, void *reserved) {
return cc->vtable->pluck(cc, tag, deadline, reserved);
}
/* Finishes the completion queue shutdown. This means that there are no more
completion events / tags expected from the completion queue
- Must be called under completion queue lock

16
src/core/lib/surface/completion_queue.h
Unescape View File

@ -80,8 +80,6 @@ void grpc_cq_internal_unref(grpc_completion_queue *cc);
#define GRPC_CQ_INTERNAL_UNREF(cc, reason) grpc_cq_internal_unref(cc)
#endif
size_t grpc_cq_size(grpc_completion_queue *cc);
/* Flag that an operation is beginning: the completion channel will not finish
shutdown until a corrensponding grpc_cq_end_* call is made.
\a tag is currently used only in debug builds. */
@ -89,20 +87,6 @@ void grpc_cq_begin_op(grpc_completion_queue *cc, void *tag);
/* Queue a GRPC_OP_COMPLETED operation; tag must correspond to the tag passed to
grpc_cq_begin_op */
void grpc_cq_end_op_for_next(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
void *tag, grpc_error *error,
void (*done)(grpc_exec_ctx *exec_ctx,
void *done_arg,
grpc_cq_completion *storage),
void *done_arg, grpc_cq_completion *storage);
void grpc_cq_end_op_for_pluck(grpc_exec_ctx *exec_ctx,
grpc_completion_queue *cc, void *tag,
grpc_error *error,
void (*done)(grpc_exec_ctx *exec_ctx,
void *done_arg,
grpc_cq_completion *storage),
void *done_arg, grpc_cq_completion *storage);
void grpc_cq_end_op(grpc_exec_ctx *exec_ctx, grpc_completion_queue *cc,
void *tag, grpc_error *error,
void (*done)(grpc_exec_ctx *exec_ctx, void *done_arg,

Write Preview
Loading…
Cancel
Save