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-rw-r--r--src/core/ext/transport/chttp2/transport/frame_rst_stream.c11
-rw-r--r--src/core/ext/transport/chttp2/transport/internal.h6
-rw-r--r--src/core/ext/transport/chttp2/transport/parsing.c210
-rw-r--r--src/core/ext/transport/chttp2/transport/writing.c15
-rw-r--r--src/core/lib/iomgr/error.c2
-rw-r--r--src/core/lib/iomgr/error.h1
6 files changed, 127 insertions, 118 deletions
diff --git a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
index d49df0fcc2..ea71123054 100644
--- a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
+++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c
@@ -97,11 +97,12 @@ grpc_error *grpc_chttp2_rst_stream_parser_parse(
if (p->byte == 4) {
GPR_ASSERT(is_last);
stream_parsing->received_close = 1;
- stream_parsing->saw_rst_stream = 1;
- stream_parsing->rst_stream_reason = (((uint32_t)p->reason_bytes[0]) << 24) |
- (((uint32_t)p->reason_bytes[1]) << 16) |
- (((uint32_t)p->reason_bytes[2]) << 8) |
- (((uint32_t)p->reason_bytes[3]));
+ stream_parsing->forced_close_error = grpc_error_set_int(
+ GRPC_ERROR_CREATE("RST_STREAM"), GRPC_ERROR_INT_HTTP2_ERROR,
+ (((uint32_t)p->reason_bytes[0]) << 24) |
+ (((uint32_t)p->reason_bytes[1]) << 16) |
+ (((uint32_t)p->reason_bytes[2]) << 8) |
+ (((uint32_t)p->reason_bytes[3])));
}
return GRPC_ERROR_NONE;
diff --git a/src/core/ext/transport/chttp2/transport/internal.h b/src/core/ext/transport/chttp2/transport/internal.h
index ae35d58117..1a8b44d86e 100644
--- a/src/core/ext/transport/chttp2/transport/internal.h
+++ b/src/core/ext/transport/chttp2/transport/internal.h
@@ -474,13 +474,13 @@ struct grpc_chttp2_stream_parsing {
uint32_t id;
/** has this stream received a close */
uint8_t received_close;
- /** saw a rst_stream */
- uint8_t saw_rst_stream;
/** how many header frames have we received? */
uint8_t header_frames_received;
/** which metadata did we get (on this parse) */
uint8_t got_metadata_on_parse[2];
- /** should we raise the seen_error flag in transport_global */
+ /** saw some stream level error */
+ grpc_error *forced_close_error;
+ /** should we raise the seen_error flag in stream_global */
uint8_t seen_error;
/** window available for peer to send to us */
int64_t incoming_window;
diff --git a/src/core/ext/transport/chttp2/transport/parsing.c b/src/core/ext/transport/chttp2/transport/parsing.c
index aaa66a6c91..67590aeb16 100644
--- a/src/core/ext/transport/chttp2/transport/parsing.c
+++ b/src/core/ext/transport/chttp2/transport/parsing.c
@@ -83,8 +83,8 @@ void grpc_chttp2_prepare_to_read(
transport_global->settings[GRPC_SENT_SETTINGS],
sizeof(transport_parsing->last_sent_settings));
transport_parsing->max_frame_size =
- transport_global
- ->settings[GRPC_ACKED_SETTINGS][GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE];
+ transport_global->settings[GRPC_ACKED_SETTINGS]
+ [GRPC_CHTTP2_SETTINGS_MAX_FRAME_SIZE];
/* update the parsing view of incoming window */
while (grpc_chttp2_list_pop_unannounced_incoming_window_available(
@@ -224,26 +224,29 @@ void grpc_chttp2_publish_reads(
grpc_chttp2_list_add_check_read_ops(transport_global, stream_global);
}
- if (stream_parsing->saw_rst_stream) {
- if (stream_parsing->rst_stream_reason != GRPC_CHTTP2_NO_ERROR) {
- grpc_status_code status_code = grpc_chttp2_http2_error_to_grpc_status(
- (grpc_chttp2_error_code)stream_parsing->rst_stream_reason);
- char *status_details;
- gpr_slice slice_details;
- gpr_asprintf(&status_details, "Received RST_STREAM err=%d",
- stream_parsing->rst_stream_reason);
- slice_details = gpr_slice_from_copied_string(status_details);
- gpr_free(status_details);
+ if (stream_parsing->forced_close_error != GRPC_ERROR_NONE) {
+ const intptr_t *reason = grpc_error_get_int(
+ stream_parsing->forced_close_error, GRPC_ERROR_INT_HTTP2_ERROR);
+ if (reason == NULL || *reason != GRPC_CHTTP2_NO_ERROR) {
+ grpc_status_code status_code =
+ reason == NULL ? GRPC_STATUS_INTERNAL
+ : grpc_chttp2_http2_error_to_grpc_status(
+ (grpc_chttp2_error_code)
+ stream_parsing->rst_stream_reason);
+ const char *status_details =
+ grpc_error_string(stream_parsing->forced_close_error);
+ gpr_slice slice_details = gpr_slice_from_copied_string(status_details);
+ grpc_error_free_string(status_details);
grpc_chttp2_fake_status(exec_ctx, transport_global, stream_global,
status_code, &slice_details);
}
grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global,
- 1, 1);
+ 1, 1, stream_parsing->forced_close_error);
}
if (stream_parsing->received_close) {
grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global,
- 1, 0);
+ 1, 0, GRPC_ERROR_NONE);
}
}
}
@@ -577,7 +580,7 @@ static grpc_error *update_incoming_window(
grpc_chttp2_list_add_parsing_seen_stream(transport_parsing, stream_parsing);
- return GRPC_CHTTP2_PARSE_OK;
+ return GRPC_ERROR_NONE;
}
static grpc_error *init_data_frame_parser(
@@ -585,7 +588,7 @@ static grpc_error *init_data_frame_parser(
grpc_chttp2_stream_parsing *stream_parsing =
grpc_chttp2_parsing_lookup_stream(transport_parsing,
transport_parsing->incoming_stream_id);
- grpc_chttp2_parse_error err = GRPC_CHTTP2_PARSE_OK;
+ grpc_error *err = GRPC_ERROR_NONE;
if (stream_parsing == NULL) {
return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
}
@@ -593,33 +596,32 @@ static grpc_error *init_data_frame_parser(
if (stream_parsing->received_close) {
return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
}
- if (err == GRPC_CHTTP2_PARSE_OK) {
+ if (err == GRPC_ERROR_NONE) {
err = update_incoming_window(exec_ctx, transport_parsing, stream_parsing);
}
- if (err == GRPC_CHTTP2_PARSE_OK) {
+ if (err == GRPC_ERROR_NONE) {
err = grpc_chttp2_data_parser_begin_frame(
- &stream_parsing->data_parser, transport_parsing->incoming_frame_flags);
- }
- switch (err) {
- case GRPC_CHTTP2_PARSE_OK:
- transport_parsing->incoming_stream = stream_parsing;
- transport_parsing->parser = grpc_chttp2_data_parser_parse;
- transport_parsing->parser_data = &stream_parsing->data_parser;
- return GRPC_ERROR_NONE;
- case GRPC_CHTTP2_STREAM_ERROR:
- stream_parsing->received_close = 1;
- stream_parsing->saw_rst_stream = 1;
- stream_parsing->rst_stream_reason = GRPC_CHTTP2_PROTOCOL_ERROR;
- gpr_slice_buffer_add(
- &transport_parsing->qbuf,
- grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
- GRPC_CHTTP2_PROTOCOL_ERROR,
- &stream_parsing->stats.outgoing));
- return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
- case GRPC_CHTTP2_CONNECTION_ERROR:
- return 0;
+ &stream_parsing->data_parser, transport_parsing->incoming_frame_flags,
+ stream_parsing->id);
+ }
+ if (err == GRPC_ERROR_NONE) {
+ transport_parsing->incoming_stream = stream_parsing;
+ transport_parsing->parser = grpc_chttp2_data_parser_parse;
+ transport_parsing->parser_data = &stream_parsing->data_parser;
+ return GRPC_ERROR_NONE;
+ } else if (grpc_error_get_int(err, GRPC_ERROR_INT_STREAM_ID)) {
+ /* handle stream errors by closing the stream */
+ stream_parsing->received_close = 1;
+ stream_parsing->forced_close_error = err;
+ gpr_slice_buffer_add(
+ &transport_parsing->qbuf,
+ grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
+ GRPC_CHTTP2_PROTOCOL_ERROR,
+ &stream_parsing->stats.outgoing));
+ return init_skip_frame_parser(exec_ctx, transport_parsing, 0);
+ } else {
+ return err;
}
- GPR_UNREACHABLE_CODE(return 0);
}
static void free_timeout(void *p) { gpr_free(p); }
@@ -797,10 +799,11 @@ static grpc_error *init_header_frame_parser(
static grpc_error *init_window_update_frame_parser(
grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
- int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_window_update_parser_begin_frame(
- &transport_parsing->simple.window_update,
- transport_parsing->incoming_frame_size,
- transport_parsing->incoming_frame_flags);
+ grpc_error *err = grpc_chttp2_window_update_parser_begin_frame(
+ &transport_parsing->simple.window_update,
+ transport_parsing->incoming_frame_size,
+ transport_parsing->incoming_frame_flags);
+ if (err != GRPC_ERROR_NONE) return err;
if (transport_parsing->incoming_stream_id != 0) {
grpc_chttp2_stream_parsing *stream_parsing =
transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
@@ -812,26 +815,27 @@ static grpc_error *init_window_update_frame_parser(
}
transport_parsing->parser = grpc_chttp2_window_update_parser_parse;
transport_parsing->parser_data = &transport_parsing->simple.window_update;
- return ok;
+ return GRPC_ERROR_NONE;
}
-static int init_ping_parser(grpc_exec_ctx *exec_ctx,
- grpc_chttp2_transport_parsing *transport_parsing) {
- int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_ping_parser_begin_frame(
- &transport_parsing->simple.ping,
- transport_parsing->incoming_frame_size,
- transport_parsing->incoming_frame_flags);
+static grpc_error *init_ping_parser(
+ grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
+ grpc_error *err = grpc_chttp2_ping_parser_begin_frame(
+ &transport_parsing->simple.ping, transport_parsing->incoming_frame_size,
+ transport_parsing->incoming_frame_flags);
+ if (err != GRPC_ERROR_NONE) return err;
transport_parsing->parser = grpc_chttp2_ping_parser_parse;
transport_parsing->parser_data = &transport_parsing->simple.ping;
- return ok;
+ return GRPC_ERROR_NONE;
}
-static int init_rst_stream_parser(
+static grpc_error *init_rst_stream_parser(
grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
- int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_rst_stream_parser_begin_frame(
- &transport_parsing->simple.rst_stream,
- transport_parsing->incoming_frame_size,
- transport_parsing->incoming_frame_flags);
+ grpc_error *err = grpc_chttp2_rst_stream_parser_begin_frame(
+ &transport_parsing->simple.rst_stream,
+ transport_parsing->incoming_frame_size,
+ transport_parsing->incoming_frame_flags);
+ if (err != GRPC_ERROR_NONE) return err;
grpc_chttp2_stream_parsing *stream_parsing =
transport_parsing->incoming_stream = grpc_chttp2_parsing_lookup_stream(
transport_parsing, transport_parsing->incoming_stream_id);
@@ -841,37 +845,32 @@ static int init_rst_stream_parser(
stream_parsing->stats.incoming.framing_bytes += 9;
transport_parsing->parser = grpc_chttp2_rst_stream_parser_parse;
transport_parsing->parser_data = &transport_parsing->simple.rst_stream;
- return ok;
+ return GRPC_ERROR_NONE;
}
-static int init_goaway_parser(
+static grpc_error *init_goaway_parser(
grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
- int ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_goaway_parser_begin_frame(
- &transport_parsing->goaway_parser,
- transport_parsing->incoming_frame_size,
- transport_parsing->incoming_frame_flags);
+ grpc_error *err = grpc_chttp2_goaway_parser_begin_frame(
+ &transport_parsing->goaway_parser, transport_parsing->incoming_frame_size,
+ transport_parsing->incoming_frame_flags);
+ if (err != GRPC_ERROR_NONE) return err;
transport_parsing->parser = grpc_chttp2_goaway_parser_parse;
transport_parsing->parser_data = &transport_parsing->goaway_parser;
- return ok;
+ return GRPC_ERROR_NONE;
}
-static int init_settings_frame_parser(
+static grpc_error *init_settings_frame_parser(
grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing) {
- int ok;
-
if (transport_parsing->incoming_stream_id != 0) {
- gpr_log(GPR_ERROR, "settings frame received for grpc_chttp2_stream %d",
- transport_parsing->incoming_stream_id);
- return 0;
+ return GRPC_ERROR_CREATE("Settings frame received for grpc_chttp2_stream");
}
- ok = GRPC_CHTTP2_PARSE_OK == grpc_chttp2_settings_parser_begin_frame(
- &transport_parsing->simple.settings,
- transport_parsing->incoming_frame_size,
- transport_parsing->incoming_frame_flags,
- transport_parsing->settings);
- if (!ok) {
- return 0;
+ grpc_error *err = grpc_chttp2_settings_parser_begin_frame(
+ &transport_parsing->simple.settings,
+ transport_parsing->incoming_frame_size,
+ transport_parsing->incoming_frame_flags, transport_parsing->settings);
+ if (err != GRPC_ERROR_NONE) {
+ return err;
}
if (transport_parsing->incoming_frame_flags & GRPC_CHTTP2_FLAG_ACK) {
transport_parsing->settings_ack_received = 1;
@@ -885,7 +884,7 @@ static int init_settings_frame_parser(
}
transport_parsing->parser = grpc_chttp2_settings_parser_parse;
transport_parsing->parser_data = &transport_parsing->simple.settings;
- return ok;
+ return GRPC_ERROR_NONE;
}
/*
@@ -894,34 +893,37 @@ static int is_window_update_legal(int64_t window_update, int64_t window) {
}
*/
-static int parse_frame_slice(grpc_exec_ctx *exec_ctx,
- grpc_chttp2_transport_parsing *transport_parsing,
- gpr_slice slice, int is_last) {
+static grpc_error *parse_frame_slice(
+ grpc_exec_ctx *exec_ctx, grpc_chttp2_transport_parsing *transport_parsing,
+ gpr_slice slice, int is_last) {
grpc_chttp2_stream_parsing *stream_parsing =
transport_parsing->incoming_stream;
- switch (transport_parsing->parser(exec_ctx, transport_parsing->parser_data,
- transport_parsing, stream_parsing, slice,
- is_last)) {
- case GRPC_CHTTP2_PARSE_OK:
- if (stream_parsing) {
- grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
- stream_parsing);
- }
- return 1;
- case GRPC_CHTTP2_STREAM_ERROR:
- grpc_chttp2_parsing_become_skip_parser(exec_ctx, transport_parsing);
- if (stream_parsing) {
- stream_parsing->saw_rst_stream = 1;
- stream_parsing->rst_stream_reason = GRPC_CHTTP2_PROTOCOL_ERROR;
- gpr_slice_buffer_add(
- &transport_parsing->qbuf,
- grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
- GRPC_CHTTP2_PROTOCOL_ERROR,
- &stream_parsing->stats.outgoing));
- }
- return 1;
- case GRPC_CHTTP2_CONNECTION_ERROR:
- return 0;
+ grpc_error *err = transport_parsing->parser(
+ exec_ctx, transport_parsing->parser_data, transport_parsing,
+ stream_parsing, slice, is_last);
+ if (err == GRPC_ERROR_NONE) {
+ if (stream_parsing) {
+ grpc_chttp2_list_add_parsing_seen_stream(transport_parsing,
+ stream_parsing);
+ }
+ return GRPC_ERROR_NONE;
+ } else if (grpc_error_get_int(err, GRPC_ERROR_INT_STREAM_ID) != NULL) {
+ if (grpc_http_trace) {
+ const char *msg = grpc_error_string(err);
+ gpr_log(GPR_ERROR, "%s", msg);
+ grpc_error_free_string(msg);
+ }
+ grpc_chttp2_parsing_become_skip_parser(exec_ctx, transport_parsing);
+ if (stream_parsing) {
+ stream_parsing->forced_close_error = err;
+ gpr_slice_buffer_add(
+ &transport_parsing->qbuf,
+ grpc_chttp2_rst_stream_create(transport_parsing->incoming_stream_id,
+ GRPC_CHTTP2_PROTOCOL_ERROR,
+ &stream_parsing->stats.outgoing));
+ } else {
+ grpc_error_unref(err);
+ }
}
- GPR_UNREACHABLE_CODE(return 0);
+ return err;
}
diff --git a/src/core/ext/transport/chttp2/transport/writing.c b/src/core/ext/transport/chttp2/transport/writing.c
index a8fb463939..ff42fd249a 100644
--- a/src/core/ext/transport/chttp2/transport/writing.c
+++ b/src/core/ext/transport/chttp2/transport/writing.c
@@ -187,7 +187,8 @@ void grpc_chttp2_perform_writes(
grpc_endpoint_write(exec_ctx, endpoint, &transport_writing->outbuf,
&transport_writing->done_cb);
} else {
- grpc_exec_ctx_enqueue(exec_ctx, &transport_writing->done_cb, true, NULL);
+ grpc_exec_ctx_push(exec_ctx, &transport_writing->done_cb, GRPC_ERROR_NONE,
+ NULL);
}
}
@@ -335,24 +336,26 @@ void grpc_chttp2_cleanup_writing(
if (stream_writing->sent_initial_metadata) {
grpc_chttp2_complete_closure_step(
exec_ctx, stream_global,
- &stream_global->send_initial_metadata_finished, 1);
+ &stream_global->send_initial_metadata_finished, GRPC_ERROR_NONE);
}
grpc_transport_move_one_way_stats(&stream_writing->stats,
&stream_global->stats.outgoing);
if (stream_writing->sent_message) {
GPR_ASSERT(stream_writing->send_message == NULL);
- grpc_chttp2_complete_closure_step(
- exec_ctx, stream_global, &stream_global->send_message_finished, 1);
+ grpc_chttp2_complete_closure_step(exec_ctx, stream_global,
+ &stream_global->send_message_finished,
+ GRPC_ERROR_NONE);
stream_writing->sent_message = 0;
}
if (stream_writing->sent_trailing_metadata) {
grpc_chttp2_complete_closure_step(
exec_ctx, stream_global,
- &stream_global->send_trailing_metadata_finished, 1);
+ &stream_global->send_trailing_metadata_finished, GRPC_ERROR_NONE);
}
if (stream_writing->sent_trailing_metadata) {
grpc_chttp2_mark_stream_closed(exec_ctx, transport_global, stream_global,
- !transport_global->is_client, 1);
+ !transport_global->is_client, 1,
+ GRPC_ERROR_NONE);
}
GRPC_CHTTP2_STREAM_UNREF(exec_ctx, stream_global, "chttp2_writing");
}
diff --git a/src/core/lib/iomgr/error.c b/src/core/lib/iomgr/error.c
index 55bb1b5660..5812af5c93 100644
--- a/src/core/lib/iomgr/error.c
+++ b/src/core/lib/iomgr/error.c
@@ -102,6 +102,8 @@ static const char *error_int_name(grpc_error_ints key) {
return "index";
case GRPC_ERROR_INT_SIZE:
return "size";
+ case GRPC_ERROR_INT_HTTP2_ERROR:
+ return "http2_error";
}
GPR_UNREACHABLE_CODE(return "unknown");
}
diff --git a/src/core/lib/iomgr/error.h b/src/core/lib/iomgr/error.h
index db5e378e77..234782ab03 100644
--- a/src/core/lib/iomgr/error.h
+++ b/src/core/lib/iomgr/error.h
@@ -50,6 +50,7 @@ typedef enum {
GRPC_ERROR_INT_OFFSET,
GRPC_ERROR_INT_INDEX,
GRPC_ERROR_INT_SIZE,
+ GRPC_ERROR_INT_HTTP2_ERROR,
} grpc_error_ints;
typedef enum {