diff options
29 files changed, 183 insertions, 79 deletions
@@ -141,10 +141,12 @@ EXPORTS grpc_server_credentials_set_auth_metadata_processor grpc_slice_ref grpc_slice_unref + grpc_slice_copy grpc_slice_new grpc_slice_new_with_user_data grpc_slice_new_with_len grpc_slice_malloc + grpc_slice_malloc_large grpc_slice_intern grpc_slice_from_copied_string grpc_slice_from_copied_buffer @@ -153,6 +155,7 @@ EXPORTS grpc_slice_sub grpc_slice_sub_no_ref grpc_slice_split_tail + grpc_slice_split_tail_maybe_ref grpc_slice_split_head grpc_empty_slice grpc_slice_default_hash_impl @@ -181,6 +184,7 @@ EXPORTS grpc_slice_buffer_move_into grpc_slice_buffer_trim_end grpc_slice_buffer_move_first + grpc_slice_buffer_move_first_no_ref grpc_slice_buffer_move_first_into_buffer grpc_slice_buffer_take_first grpc_slice_buffer_undo_take_first diff --git a/include/grpc/slice.h b/include/grpc/slice.h index 8c32a30d76..9c4b158ae8 100644 --- a/include/grpc/slice.h +++ b/include/grpc/slice.h @@ -53,6 +53,9 @@ GPRAPI grpc_slice grpc_slice_ref(grpc_slice s); where dest!=NULL , then (*dest)(start, len). Requires s initialized. */ GPRAPI void grpc_slice_unref(grpc_slice s); +/* Copy slice - create a new slice that contains the same data as s */ +GPRAPI grpc_slice grpc_slice_copy(grpc_slice s); + /* Create a slice pointing at some data. Calls malloc to allocate a refcount for the object, and arranges that destroy will be called with the pointer passed in at destruction. */ @@ -75,6 +78,13 @@ GPRAPI grpc_slice grpc_slice_new_with_len(void *p, size_t len, call. Aborts if malloc() fails. */ GPRAPI grpc_slice grpc_slice_malloc(size_t length); +GPRAPI grpc_slice grpc_slice_malloc_large(size_t length); + +#define GRPC_SLICE_MALLOC(len) \ + ((len) <= GRPC_SLICE_INLINED_SIZE \ + ? (grpc_slice){.refcount = NULL, \ + .data.inlined = {.length = (uint8_t)(len)}} \ + : grpc_slice_malloc_large((len))) /* Intern a slice: @@ -117,6 +127,18 @@ GPRAPI grpc_slice grpc_slice_sub_no_ref(grpc_slice s, size_t begin, size_t end); Requires s intialized, split <= s.length */ GPRAPI grpc_slice grpc_slice_split_tail(grpc_slice *s, size_t split); +typedef enum { + GRPC_SLICE_REF_TAIL = 1, + GRPC_SLICE_REF_HEAD = 2, + GRPC_SLICE_REF_BOTH = 1 + 2 +} grpc_slice_ref_whom; + +/* The same as grpc_slice_split_tail, but with an option to skip altering + * refcounts (grpc_slice_split_tail_maybe_ref(..., true) is equivalent to + * grpc_slice_split_tail(...)) */ +GPRAPI grpc_slice grpc_slice_split_tail_maybe_ref(grpc_slice *s, size_t split, + grpc_slice_ref_whom ref_whom); + /* Splits s into two: modifies s to be s[split:s.length], and returns a new slice, sharing a refcount with s, that contains s[0:split]. Requires s intialized, split <= s.length */ diff --git a/include/grpc/slice_buffer.h b/include/grpc/slice_buffer.h index 2ed896645b..cdbd74776c 100644 --- a/include/grpc/slice_buffer.h +++ b/include/grpc/slice_buffer.h @@ -77,6 +77,10 @@ GPRAPI void grpc_slice_buffer_trim_end(grpc_slice_buffer *src, size_t n, /* move the first n bytes of src into dst */ GPRAPI void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n, grpc_slice_buffer *dst); +/* move the first n bytes of src into dst without adding references */ +GPRAPI void grpc_slice_buffer_move_first_no_ref(grpc_slice_buffer *src, + size_t n, + grpc_slice_buffer *dst); /* move the first n bytes of src into dst (copying them) */ GPRAPI void grpc_slice_buffer_move_first_into_buffer(grpc_exec_ctx *exec_ctx, grpc_slice_buffer *src, diff --git a/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c b/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c index 10af252531..87549b78f0 100644 --- a/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c +++ b/src/core/ext/filters/client_channel/lb_policy/grpclb/load_balancer_api.c @@ -98,7 +98,7 @@ grpc_slice grpc_grpclb_request_encode(const grpc_grpclb_request *request) { pb_encode(&sizestream, grpc_lb_v1_LoadBalanceRequest_fields, request); encoded_length = sizestream.bytes_written; - slice = grpc_slice_malloc(encoded_length); + slice = GRPC_SLICE_MALLOC(encoded_length); outputstream = pb_ostream_from_buffer(GRPC_SLICE_START_PTR(slice), encoded_length); GPR_ASSERT(pb_encode(&outputstream, grpc_lb_v1_LoadBalanceRequest_fields, diff --git a/src/core/ext/filters/http/client/http_client_filter.c b/src/core/ext/filters/http/client/http_client_filter.c index bf5fbc7da7..d8ae080eee 100644 --- a/src/core/ext/filters/http/client/http_client_filter.c +++ b/src/core/ext/filters/http/client/http_client_filter.c @@ -323,7 +323,7 @@ static grpc_error *hc_mutate_op(grpc_exec_ctx *exec_ctx, estimated_len += grpc_base64_estimate_encoded_size( op->payload->send_message.send_message->length, k_url_safe, k_multi_line); - grpc_slice path_with_query_slice = grpc_slice_malloc(estimated_len); + grpc_slice path_with_query_slice = GRPC_SLICE_MALLOC(estimated_len); /* memcopy individual pieces into this slice */ uint8_t *write_ptr = diff --git a/src/core/ext/transport/chttp2/transport/bin_decoder.c b/src/core/ext/transport/chttp2/transport/bin_decoder.c index 8c87de112e..21bed18c9a 100644 --- a/src/core/ext/transport/chttp2/transport/bin_decoder.c +++ b/src/core/ext/transport/chttp2/transport/bin_decoder.c @@ -169,7 +169,7 @@ grpc_slice grpc_chttp2_base64_decode(grpc_exec_ctx *exec_ctx, } } } - output = grpc_slice_malloc(output_length); + output = GRPC_SLICE_MALLOC(output_length); ctx.input_cur = GRPC_SLICE_START_PTR(input); ctx.input_end = GRPC_SLICE_END_PTR(input); @@ -193,7 +193,7 @@ grpc_slice grpc_chttp2_base64_decode_with_length(grpc_exec_ctx *exec_ctx, grpc_slice input, size_t output_length) { size_t input_length = GRPC_SLICE_LENGTH(input); - grpc_slice output = grpc_slice_malloc(output_length); + grpc_slice output = GRPC_SLICE_MALLOC(output_length); struct grpc_base64_decode_context ctx; // The length of a base64 string cannot be 4 * n + 1 diff --git a/src/core/ext/transport/chttp2/transport/bin_encoder.c b/src/core/ext/transport/chttp2/transport/bin_encoder.c index e301c073f3..3b8ab1f17a 100644 --- a/src/core/ext/transport/chttp2/transport/bin_encoder.c +++ b/src/core/ext/transport/chttp2/transport/bin_encoder.c @@ -66,7 +66,7 @@ grpc_slice grpc_chttp2_base64_encode(grpc_slice input) { size_t input_triplets = input_length / 3; size_t tail_case = input_length % 3; size_t output_length = input_triplets * 4 + tail_xtra[tail_case]; - grpc_slice output = grpc_slice_malloc(output_length); + grpc_slice output = GRPC_SLICE_MALLOC(output_length); uint8_t *in = GRPC_SLICE_START_PTR(input); char *out = (char *)GRPC_SLICE_START_PTR(output); size_t i; @@ -119,7 +119,7 @@ grpc_slice grpc_chttp2_huffman_compress(grpc_slice input) { nbits += grpc_chttp2_huffsyms[*in].length; } - output = grpc_slice_malloc(nbits / 8 + (nbits % 8 != 0)); + output = GRPC_SLICE_MALLOC(nbits / 8 + (nbits % 8 != 0)); out = GRPC_SLICE_START_PTR(output); for (in = GRPC_SLICE_START_PTR(input); in != GRPC_SLICE_END_PTR(input); ++in) { @@ -184,7 +184,7 @@ grpc_slice grpc_chttp2_base64_encode_and_huffman_compress(grpc_slice input) { size_t output_syms = input_triplets * 4 + tail_xtra[tail_case]; size_t max_output_bits = 11 * output_syms; size_t max_output_length = max_output_bits / 8 + (max_output_bits % 8 != 0); - grpc_slice output = grpc_slice_malloc(max_output_length); + grpc_slice output = GRPC_SLICE_MALLOC(max_output_length); uint8_t *in = GRPC_SLICE_START_PTR(input); uint8_t *start_out = GRPC_SLICE_START_PTR(output); huff_out out; diff --git a/src/core/ext/transport/chttp2/transport/chttp2_transport.c b/src/core/ext/transport/chttp2/transport/chttp2_transport.c index 5d74532ede..d6b79bd492 100644 --- a/src/core/ext/transport/chttp2/transport/chttp2_transport.c +++ b/src/core/ext/transport/chttp2/transport/chttp2_transport.c @@ -1969,7 +1969,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, the time we got around to sending this, so instead we ignore HPACK compression and just write the uncompressed bytes onto the wire. */ if (!s->sent_initial_metadata) { - http_status_hdr = grpc_slice_malloc(13); + http_status_hdr = GRPC_SLICE_MALLOC(13); p = GRPC_SLICE_START_PTR(http_status_hdr); *p++ = 0x00; *p++ = 7; @@ -1987,7 +1987,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, GPR_ASSERT(p == GRPC_SLICE_END_PTR(http_status_hdr)); len += (uint32_t)GRPC_SLICE_LENGTH(http_status_hdr); - content_type_hdr = grpc_slice_malloc(31); + content_type_hdr = GRPC_SLICE_MALLOC(31); p = GRPC_SLICE_START_PTR(content_type_hdr); *p++ = 0x00; *p++ = 12; @@ -2024,7 +2024,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, len += (uint32_t)GRPC_SLICE_LENGTH(content_type_hdr); } - status_hdr = grpc_slice_malloc(15 + (grpc_status >= 10)); + status_hdr = GRPC_SLICE_MALLOC(15 + (grpc_status >= 10)); p = GRPC_SLICE_START_PTR(status_hdr); *p++ = 0x00; /* literal header, not indexed */ *p++ = 11; /* len(grpc-status) */ @@ -2053,7 +2053,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, size_t msg_len = GRPC_SLICE_LENGTH(slice); GPR_ASSERT(msg_len <= UINT32_MAX); uint32_t msg_len_len = GRPC_CHTTP2_VARINT_LENGTH((uint32_t)msg_len, 1); - message_pfx = grpc_slice_malloc(14 + msg_len_len); + message_pfx = GRPC_SLICE_MALLOC(14 + msg_len_len); p = GRPC_SLICE_START_PTR(message_pfx); *p++ = 0x00; /* literal header, not indexed */ *p++ = 12; /* len(grpc-message) */ @@ -2075,7 +2075,7 @@ static void close_from_api(grpc_exec_ctx *exec_ctx, grpc_chttp2_transport *t, len += (uint32_t)GRPC_SLICE_LENGTH(message_pfx); len += (uint32_t)msg_len; - hdr = grpc_slice_malloc(9); + hdr = GRPC_SLICE_MALLOC(9); p = GRPC_SLICE_START_PTR(hdr); *p++ = (uint8_t)(len >> 16); *p++ = (uint8_t)(len >> 8); diff --git a/src/core/ext/transport/chttp2/transport/frame_data.c b/src/core/ext/transport/chttp2/transport/frame_data.c index 9aba3ea445..8cb8489794 100644 --- a/src/core/ext/transport/chttp2/transport/frame_data.c +++ b/src/core/ext/transport/chttp2/transport/frame_data.c @@ -92,7 +92,7 @@ void grpc_chttp2_encode_data(uint32_t id, grpc_slice_buffer *inbuf, uint8_t *p; static const size_t header_size = 9; - hdr = grpc_slice_malloc(header_size); + hdr = GRPC_SLICE_MALLOC(header_size); p = GRPC_SLICE_START_PTR(hdr); GPR_ASSERT(write_bytes < (1 << 24)); *p++ = (uint8_t)(write_bytes >> 16); @@ -106,7 +106,7 @@ void grpc_chttp2_encode_data(uint32_t id, grpc_slice_buffer *inbuf, *p++ = (uint8_t)(id); grpc_slice_buffer_add(outbuf, hdr); - grpc_slice_buffer_move_first(inbuf, write_bytes, outbuf); + grpc_slice_buffer_move_first_no_ref(inbuf, write_bytes, outbuf); stats->framing_bytes += header_size; stats->data_bytes += write_bytes; diff --git a/src/core/ext/transport/chttp2/transport/frame_goaway.c b/src/core/ext/transport/chttp2/transport/frame_goaway.c index 001271dd22..0f1c8b0772 100644 --- a/src/core/ext/transport/chttp2/transport/frame_goaway.c +++ b/src/core/ext/transport/chttp2/transport/frame_goaway.c @@ -163,7 +163,7 @@ grpc_error *grpc_chttp2_goaway_parser_parse(grpc_exec_ctx *exec_ctx, void grpc_chttp2_goaway_append(uint32_t last_stream_id, uint32_t error_code, grpc_slice debug_data, grpc_slice_buffer *slice_buffer) { - grpc_slice header = grpc_slice_malloc(9 + 4 + 4); + grpc_slice header = GRPC_SLICE_MALLOC(9 + 4 + 4); uint8_t *p = GRPC_SLICE_START_PTR(header); uint32_t frame_length; GPR_ASSERT(GRPC_SLICE_LENGTH(debug_data) < UINT32_MAX - 4 - 4); diff --git a/src/core/ext/transport/chttp2/transport/frame_ping.c b/src/core/ext/transport/chttp2/transport/frame_ping.c index 6016e43127..f09ca60739 100644 --- a/src/core/ext/transport/chttp2/transport/frame_ping.c +++ b/src/core/ext/transport/chttp2/transport/frame_ping.c @@ -43,7 +43,7 @@ static bool g_disable_ping_ack = false; grpc_slice grpc_chttp2_ping_create(uint8_t ack, uint64_t opaque_8bytes) { - grpc_slice slice = grpc_slice_malloc(9 + 8); + grpc_slice slice = GRPC_SLICE_MALLOC(9 + 8); uint8_t *p = GRPC_SLICE_START_PTR(slice); *p++ = 0; 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 225f15c77c..e0caa50e92 100644 --- a/src/core/ext/transport/chttp2/transport/frame_rst_stream.c +++ b/src/core/ext/transport/chttp2/transport/frame_rst_stream.c @@ -44,7 +44,7 @@ grpc_slice grpc_chttp2_rst_stream_create(uint32_t id, uint32_t code, grpc_transport_one_way_stats *stats) { static const size_t frame_size = 13; - grpc_slice slice = grpc_slice_malloc(frame_size); + grpc_slice slice = GRPC_SLICE_MALLOC(frame_size); stats->framing_bytes += frame_size; uint8_t *p = GRPC_SLICE_START_PTR(slice); diff --git a/src/core/ext/transport/chttp2/transport/frame_settings.c b/src/core/ext/transport/chttp2/transport/frame_settings.c index 4f2b827832..e3cd70d3f3 100644 --- a/src/core/ext/transport/chttp2/transport/frame_settings.c +++ b/src/core/ext/transport/chttp2/transport/frame_settings.c @@ -70,7 +70,7 @@ grpc_slice grpc_chttp2_settings_create(uint32_t *old, const uint32_t *new, n += (new[i] != old[i] || (force_mask & (1u << i)) != 0); } - output = grpc_slice_malloc(9 + 6 * n); + output = GRPC_SLICE_MALLOC(9 + 6 * n); p = fill_header(GRPC_SLICE_START_PTR(output), 6 * n, 0); for (i = 0; i < count; i++) { @@ -91,7 +91,7 @@ grpc_slice grpc_chttp2_settings_create(uint32_t *old, const uint32_t *new, } grpc_slice grpc_chttp2_settings_ack_create(void) { - grpc_slice output = grpc_slice_malloc(9); + grpc_slice output = GRPC_SLICE_MALLOC(9); fill_header(GRPC_SLICE_START_PTR(output), 0, GRPC_CHTTP2_FLAG_ACK); return output; } diff --git a/src/core/ext/transport/chttp2/transport/frame_window_update.c b/src/core/ext/transport/chttp2/transport/frame_window_update.c index b76b6f6f47..8ed72dddca 100644 --- a/src/core/ext/transport/chttp2/transport/frame_window_update.c +++ b/src/core/ext/transport/chttp2/transport/frame_window_update.c @@ -41,7 +41,7 @@ grpc_slice grpc_chttp2_window_update_create( uint32_t id, uint32_t window_update, grpc_transport_one_way_stats *stats) { static const size_t frame_size = 13; - grpc_slice slice = grpc_slice_malloc(frame_size); + grpc_slice slice = GRPC_SLICE_MALLOC(frame_size); stats->header_bytes += frame_size; uint8_t *p = GRPC_SLICE_START_PTR(slice); diff --git a/src/core/ext/transport/chttp2/transport/hpack_encoder.c b/src/core/ext/transport/chttp2/transport/hpack_encoder.c index b1bc677a7a..8fdd4ee77c 100644 --- a/src/core/ext/transport/chttp2/transport/hpack_encoder.c +++ b/src/core/ext/transport/chttp2/transport/hpack_encoder.c @@ -123,7 +123,7 @@ static void finish_frame(framer_state *st, int is_header_boundary, output before beginning */ static void begin_frame(framer_state *st) { st->header_idx = - grpc_slice_buffer_add_indexed(st->output, grpc_slice_malloc(9)); + grpc_slice_buffer_add_indexed(st->output, GRPC_SLICE_MALLOC(9)); st->output_length_at_start_of_frame = st->output->length; } diff --git a/src/core/ext/transport/cronet/transport/cronet_transport.c b/src/core/ext/transport/cronet/transport/cronet_transport.c index 7896c70f9e..d4e89d6a6c 100644 --- a/src/core/ext/transport/cronet/transport/cronet_transport.c +++ b/src/core/ext/transport/cronet/transport/cronet_transport.c @@ -1177,7 +1177,7 @@ static enum e_op_result execute_stream_op(grpc_exec_ctx *exec_ctx, } else if (stream_state->rs.remaining_bytes == 0) { CRONET_LOG(GPR_DEBUG, "read operation complete"); grpc_slice read_data_slice = - grpc_slice_malloc((uint32_t)stream_state->rs.length_field); + GRPC_SLICE_MALLOC((uint32_t)stream_state->rs.length_field); uint8_t *dst_p = GRPC_SLICE_START_PTR(read_data_slice); memcpy(dst_p, stream_state->rs.read_buffer, (size_t)stream_state->rs.length_field); diff --git a/src/core/lib/compression/message_compress.c b/src/core/lib/compression/message_compress.c index 49beb953b0..fd3d1e6fcc 100644 --- a/src/core/lib/compression/message_compress.c +++ b/src/core/lib/compression/message_compress.c @@ -50,7 +50,7 @@ static int zlib_body(grpc_exec_ctx* exec_ctx, z_stream* zs, int r; int flush; size_t i; - grpc_slice outbuf = grpc_slice_malloc(OUTPUT_BLOCK_SIZE); + grpc_slice outbuf = GRPC_SLICE_MALLOC(OUTPUT_BLOCK_SIZE); const uInt uint_max = ~(uInt)0; GPR_ASSERT(GRPC_SLICE_LENGTH(outbuf) <= uint_max); @@ -65,7 +65,7 @@ static int zlib_body(grpc_exec_ctx* exec_ctx, z_stream* zs, do { if (zs->avail_out == 0) { grpc_slice_buffer_add_indexed(output, outbuf); - outbuf = grpc_slice_malloc(OUTPUT_BLOCK_SIZE); + outbuf = GRPC_SLICE_MALLOC(OUTPUT_BLOCK_SIZE); GPR_ASSERT(GRPC_SLICE_LENGTH(outbuf) <= uint_max); zs->avail_out = (uInt)GRPC_SLICE_LENGTH(outbuf); zs->next_out = GRPC_SLICE_START_PTR(outbuf); diff --git a/src/core/lib/iomgr/tcp_windows.c b/src/core/lib/iomgr/tcp_windows.c index f74aa68793..bdd4dd07af 100644 --- a/src/core/lib/iomgr/tcp_windows.c +++ b/src/core/lib/iomgr/tcp_windows.c @@ -219,7 +219,7 @@ static void win_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, tcp->read_slices = read_slices; grpc_slice_buffer_reset_and_unref_internal(exec_ctx, read_slices); - tcp->read_slice = grpc_slice_malloc(8192); + tcp->read_slice = GRPC_SLICE_MALLOC(8192); buffer.len = (ULONG)GRPC_SLICE_LENGTH( tcp->read_slice); // we know slice size fits in 32bit. diff --git a/src/core/lib/security/transport/secure_endpoint.c b/src/core/lib/security/transport/secure_endpoint.c index 24da949e48..0d5c7432c6 100644 --- a/src/core/lib/security/transport/secure_endpoint.c +++ b/src/core/lib/security/transport/secure_endpoint.c @@ -130,7 +130,7 @@ static void secure_endpoint_ref(secure_endpoint *ep) { gpr_ref(&ep->ref); } static void flush_read_staging_buffer(secure_endpoint *ep, uint8_t **cur, uint8_t **end) { grpc_slice_buffer_add(ep->read_buffer, ep->read_staging_buffer); - ep->read_staging_buffer = grpc_slice_malloc(STAGING_BUFFER_SIZE); + ep->read_staging_buffer = GRPC_SLICE_MALLOC(STAGING_BUFFER_SIZE); *cur = GRPC_SLICE_START_PTR(ep->read_staging_buffer); *end = GRPC_SLICE_END_PTR(ep->read_staging_buffer); } @@ -252,7 +252,7 @@ static void endpoint_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *secure_ep, static void flush_write_staging_buffer(secure_endpoint *ep, uint8_t **cur, uint8_t **end) { grpc_slice_buffer_add(&ep->output_buffer, ep->write_staging_buffer); - ep->write_staging_buffer = grpc_slice_malloc(STAGING_BUFFER_SIZE); + ep->write_staging_buffer = GRPC_SLICE_MALLOC(STAGING_BUFFER_SIZE); *cur = GRPC_SLICE_START_PTR(ep->write_staging_buffer); *end = GRPC_SLICE_END_PTR(ep->write_staging_buffer); } @@ -415,8 +415,8 @@ grpc_endpoint *grpc_secure_endpoint_create( grpc_slice_buffer_add(&ep->leftover_bytes, grpc_slice_ref_internal(leftover_slices[i])); } - ep->write_staging_buffer = grpc_slice_malloc(STAGING_BUFFER_SIZE); - ep->read_staging_buffer = grpc_slice_malloc(STAGING_BUFFER_SIZE); + ep->write_staging_buffer = GRPC_SLICE_MALLOC(STAGING_BUFFER_SIZE); + ep->read_staging_buffer = GRPC_SLICE_MALLOC(STAGING_BUFFER_SIZE); grpc_slice_buffer_init(&ep->output_buffer); grpc_slice_buffer_init(&ep->source_buffer); ep->read_buffer = NULL; diff --git a/src/core/lib/slice/b64.c b/src/core/lib/slice/b64.c index 2007cc4810..d9091646e0 100644 --- a/src/core/lib/slice/b64.c +++ b/src/core/lib/slice/b64.c @@ -202,7 +202,7 @@ static int decode_group(const unsigned char *codes, size_t num_codes, grpc_slice grpc_base64_decode_with_len(grpc_exec_ctx *exec_ctx, const char *b64, size_t b64_len, int url_safe) { - grpc_slice result = grpc_slice_malloc(b64_len); + grpc_slice result = GRPC_SLICE_MALLOC(b64_len); unsigned char *current = GRPC_SLICE_START_PTR(result); size_t result_size = 0; unsigned char codes[4]; diff --git a/src/core/lib/slice/percent_encoding.c b/src/core/lib/slice/percent_encoding.c index c76c58d371..a77c69763f 100644 --- a/src/core/lib/slice/percent_encoding.c +++ b/src/core/lib/slice/percent_encoding.c @@ -71,7 +71,7 @@ grpc_slice grpc_percent_encode_slice(grpc_slice slice, return grpc_slice_ref_internal(slice); } // second pass: actually encode - grpc_slice out = grpc_slice_malloc(output_length); + grpc_slice out = GRPC_SLICE_MALLOC(output_length); uint8_t *q = GRPC_SLICE_START_PTR(out); for (p = slice_start; p < slice_end; p++) { if (is_unreserved_character(*p, unreserved_bytes)) { @@ -125,7 +125,7 @@ bool grpc_strict_percent_decode_slice(grpc_slice slice_in, return true; } p = GRPC_SLICE_START_PTR(slice_in); - *slice_out = grpc_slice_malloc(out_length); + *slice_out = GRPC_SLICE_MALLOC(out_length); uint8_t *q = GRPC_SLICE_START_PTR(*slice_out); while (p != in_end) { if (*p == '%') { @@ -163,7 +163,7 @@ grpc_slice grpc_permissive_percent_decode_slice(grpc_slice slice_in) { return grpc_slice_ref_internal(slice_in); } p = GRPC_SLICE_START_PTR(slice_in); - grpc_slice out = grpc_slice_malloc(out_length); + grpc_slice out = GRPC_SLICE_MALLOC(out_length); uint8_t *q = GRPC_SLICE_START_PTR(out); while (p != in_end) { if (*p == '%') { diff --git a/src/core/lib/slice/slice.c b/src/core/lib/slice/slice.c index a2fcbbdbdf..b90738fd1a 100644 --- a/src/core/lib/slice/slice.c +++ b/src/core/lib/slice/slice.c @@ -55,6 +55,13 @@ grpc_slice grpc_empty_slice(void) { return out; } +grpc_slice grpc_slice_copy(grpc_slice s) { + grpc_slice out = GRPC_SLICE_MALLOC(GRPC_SLICE_LENGTH(s)); + memcpy(GRPC_SLICE_START_PTR(out), GRPC_SLICE_START_PTR(s), + GRPC_SLICE_LENGTH(s)); + return out; +} + grpc_slice grpc_slice_ref_internal(grpc_slice slice) { if (slice.refcount) { slice.refcount->vtable->ref(slice.refcount); @@ -198,7 +205,7 @@ grpc_slice grpc_slice_new_with_len(void *p, size_t len, grpc_slice grpc_slice_from_copied_buffer(const char *source, size_t length) { if (length == 0) return grpc_empty_slice(); - grpc_slice slice = grpc_slice_malloc(length); + grpc_slice slice = GRPC_SLICE_MALLOC(length); memcpy(GRPC_SLICE_START_PTR(slice), source, length); return slice; } @@ -228,35 +235,42 @@ static const grpc_slice_refcount_vtable malloc_vtable = { malloc_ref, malloc_unref, grpc_slice_default_eq_impl, grpc_slice_default_hash_impl}; +grpc_slice grpc_slice_malloc_large(size_t length) { + grpc_slice slice; + + /* Memory layout used by the slice created here: + + +-----------+----------------------------------------------------------+ + | refcount | bytes | + +-----------+----------------------------------------------------------+ + + refcount is a malloc_refcount + bytes is an array of bytes of the requested length + Both parts are placed in the same allocation returned from gpr_malloc */ + malloc_refcount *rc = gpr_malloc(sizeof(malloc_refcount) + length); + + /* Initial refcount on rc is 1 - and it's up to the caller to release + this reference. */ + gpr_ref_init(&rc->refs, 1); + + rc->base.vtable = &malloc_vtable; + rc->base.sub_refcount = &rc->base; + + /* Build up the slice to be returned. */ + /* The slices refcount points back to the allocated block. */ + slice.refcount = &rc->base; + /* The data bytes are placed immediately after the refcount struct */ + slice.data.refcounted.bytes = (uint8_t *)(rc + 1); + /* And the length of the block is set to the requested length */ + slice.data.refcounted.length = length; + return slice; +} + grpc_slice grpc_slice_malloc(size_t length) { grpc_slice slice; if (length > sizeof(slice.data.inlined.bytes)) { - /* Memory layout used by the slice created here: - - +-----------+----------------------------------------------------------+ - | refcount | bytes | - +-----------+----------------------------------------------------------+ - - refcount is a malloc_refcount - bytes is an array of bytes of the requested length - Both parts are placed in the same allocation returned from gpr_malloc */ - malloc_refcount *rc = gpr_malloc(sizeof(malloc_refcount) + length); - - /* Initial refcount on rc is 1 - and it's up to the caller to release - this reference. */ - gpr_ref_init(&rc->refs, 1); - - rc->base.vtable = &malloc_vtable; - rc->base.sub_refcount = &rc->base; - - /* Build up the slice to be returned. */ - /* The slices refcount points back to the allocated block. */ - slice.refcount = &rc->base; - /* The data bytes are placed immediately after the refcount struct */ - slice.data.refcounted.bytes = (uint8_t *)(rc + 1); - /* And the length of the block is set to the requested length */ - slice.data.refcounted.length = length; + return grpc_slice_malloc_large(length); } else { /* small slice: just inline the data */ slice.refcount = NULL; @@ -306,7 +320,8 @@ grpc_slice grpc_slice_sub(grpc_slice source, size_t begin, size_t end) { return subset; } -grpc_slice grpc_slice_split_tail(grpc_slice *source, size_t split) { +grpc_slice grpc_slice_split_tail_maybe_ref(grpc_slice *source, size_t split, + grpc_slice_ref_whom ref_whom) { grpc_slice tail; if (source->refcount == NULL) { @@ -320,28 +335,46 @@ grpc_slice grpc_slice_split_tail(grpc_slice *source, size_t split) { } else { size_t tail_length = source->data.refcounted.length - split; GPR_ASSERT(source->data.refcounted.length >= split); - if (tail_length < sizeof(tail.data.inlined.bytes)) { + if (tail_length < sizeof(tail.data.inlined.bytes) && + ref_whom != GRPC_SLICE_REF_TAIL) { /* Copy out the bytes - it'll be cheaper than refcounting */ tail.refcount = NULL; tail.data.inlined.length = (uint8_t)tail_length; memcpy(tail.data.inlined.bytes, source->data.refcounted.bytes + split, tail_length); + source->refcount = source->refcount->sub_refcount; } else { /* Build the result */ - tail.refcount = source->refcount->sub_refcount; - /* Bump the refcount */ - tail.refcount->vtable->ref(tail.refcount); + switch (ref_whom) { + case GRPC_SLICE_REF_TAIL: + tail.refcount = source->refcount->sub_refcount; + source->refcount = &noop_refcount; + break; + case GRPC_SLICE_REF_HEAD: + tail.refcount = &noop_refcount; + source->refcount = source->refcount->sub_refcount; + break; + case GRPC_SLICE_REF_BOTH: + tail.refcount = source->refcount->sub_refcount; + source->refcount = source->refcount->sub_refcount; + /* Bump the refcount */ + tail.refcount->vtable->ref(tail.refcount); + break; + } /* Point into the source array */ tail.data.refcounted.bytes = source->data.refcounted.bytes + split; tail.data.refcounted.length = tail_length; } - source->refcount = source->refcount->sub_refcount; source->data.refcounted.length = split; } return tail; } +grpc_slice grpc_slice_split_tail(grpc_slice *source, size_t split) { + return grpc_slice_split_tail_maybe_ref(source, split, GRPC_SLICE_REF_BOTH); +} + grpc_slice grpc_slice_split_head(grpc_slice *source, size_t split) { grpc_slice head; @@ -459,7 +492,7 @@ int grpc_slice_slice(grpc_slice haystack, grpc_slice needle) { } grpc_slice grpc_slice_dup(grpc_slice a) { - grpc_slice copy = grpc_slice_malloc(GRPC_SLICE_LENGTH(a)); + grpc_slice copy = GRPC_SLICE_MALLOC(GRPC_SLICE_LENGTH(a)); memcpy(GRPC_SLICE_START_PTR(copy), GRPC_SLICE_START_PTR(a), GRPC_SLICE_LENGTH(a)); return copy; diff --git a/src/core/lib/slice/slice_buffer.c b/src/core/lib/slice/slice_buffer.c index c96b9c3b28..e8d41ca0f7 100644 --- a/src/core/lib/slice/slice_buffer.c +++ b/src/core/lib/slice/slice_buffer.c @@ -253,16 +253,18 @@ void grpc_slice_buffer_move_into(grpc_slice_buffer *src, src->length = 0; } -void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n, - grpc_slice_buffer *dst) { - size_t output_len = dst->length + n; - size_t new_input_len = src->length - n; +static void slice_buffer_move_first_maybe_ref(grpc_slice_buffer *src, size_t n, + grpc_slice_buffer *dst, + bool incref) { GPR_ASSERT(src->length >= n); if (src->length == n) { grpc_slice_buffer_move_into(src, dst); return; } + size_t output_len = dst->length + n; + size_t new_input_len = src->length - n; + while (src->count > 0) { grpc_slice slice = grpc_slice_buffer_take_first(src); size_t slice_len = GRPC_SLICE_LENGTH(slice); @@ -272,11 +274,18 @@ void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n, } else if (n == slice_len) { grpc_slice_buffer_add(dst, slice); break; - } else { /* n < slice_len */ - grpc_slice_buffer_undo_take_first(src, grpc_slice_split_tail(&slice, n)); + } else if (incref) { /* n < slice_len */ + grpc_slice_buffer_undo_take_first( + src, grpc_slice_split_tail_maybe_ref(&slice, n, GRPC_SLICE_REF_BOTH)); GPR_ASSERT(GRPC_SLICE_LENGTH(slice) == n); grpc_slice_buffer_add(dst, slice); break; + } else { /* n < slice_len */ + grpc_slice_buffer_undo_take_first( + src, grpc_slice_split_tail_maybe_ref(&slice, n, GRPC_SLICE_REF_TAIL)); + GPR_ASSERT(GRPC_SLICE_LENGTH(slice) == n); + grpc_slice_buffer_add_indexed(dst, slice); + break; } } GPR_ASSERT(dst->length == output_len); @@ -284,6 +293,16 @@ void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n, GPR_ASSERT(src->count > 0); } +void grpc_slice_buffer_move_first(grpc_slice_buffer *src, size_t n, + grpc_slice_buffer *dst) { + slice_buffer_move_first_maybe_ref(src, n, dst, true); +} + +void grpc_slice_buffer_move_first_no_ref(grpc_slice_buffer *src, size_t n, + grpc_slice_buffer *dst) { + slice_buffer_move_first_maybe_ref(src, n, dst, false); +} + void grpc_slice_buffer_move_first_into_buffer(grpc_exec_ctx *exec_ctx, grpc_slice_buffer *src, size_t n, void *dst) { diff --git a/src/core/lib/surface/byte_buffer_reader.c b/src/core/lib/surface/byte_buffer_reader.c index 1a6ccdaddb..539b014278 100644 --- a/src/core/lib/surface/byte_buffer_reader.c +++ b/src/core/lib/surface/byte_buffer_reader.c @@ -124,7 +124,7 @@ grpc_slice grpc_byte_buffer_reader_readall(grpc_byte_buffer_reader *reader) { grpc_slice in_slice; size_t bytes_read = 0; const size_t input_size = grpc_byte_buffer_length(reader->buffer_out); - grpc_slice out_slice = grpc_slice_malloc(input_size); + grpc_slice out_slice = GRPC_SLICE_MALLOC(input_size); uint8_t *const outbuf = GRPC_SLICE_START_PTR(out_slice); /* just an alias */ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.c b/src/ruby/ext/grpc/rb_grpc_imports.generated.c index a412277f6d..221a1e14ec 100644 --- a/src/ruby/ext/grpc/rb_grpc_imports.generated.c +++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.c @@ -179,10 +179,12 @@ grpc_call_set_credentials_type grpc_call_set_credentials_import; grpc_server_credentials_set_auth_metadata_processor_type grpc_server_credentials_set_auth_metadata_processor_import; grpc_slice_ref_type grpc_slice_ref_import; grpc_slice_unref_type grpc_slice_unref_import; +grpc_slice_copy_type grpc_slice_copy_import; grpc_slice_new_type grpc_slice_new_import; grpc_slice_new_with_user_data_type grpc_slice_new_with_user_data_import; grpc_slice_new_with_len_type grpc_slice_new_with_len_import; grpc_slice_malloc_type grpc_slice_malloc_import; +grpc_slice_malloc_large_type grpc_slice_malloc_large_import; grpc_slice_intern_type grpc_slice_intern_import; grpc_slice_from_copied_string_type grpc_slice_from_copied_string_import; grpc_slice_from_copied_buffer_type grpc_slice_from_copied_buffer_import; @@ -191,6 +193,7 @@ grpc_slice_from_static_buffer_type grpc_slice_from_static_buffer_import; grpc_slice_sub_type grpc_slice_sub_import; grpc_slice_sub_no_ref_type grpc_slice_sub_no_ref_import; grpc_slice_split_tail_type grpc_slice_split_tail_import; +grpc_slice_split_tail_maybe_ref_type grpc_slice_split_tail_maybe_ref_import; grpc_slice_split_head_type grpc_slice_split_head_import; grpc_empty_slice_type grpc_empty_slice_import; grpc_slice_default_hash_impl_type grpc_slice_default_hash_impl_import; @@ -219,6 +222,7 @@ grpc_slice_buffer_swap_type grpc_slice_buffer_swap_import; grpc_slice_buffer_move_into_type grpc_slice_buffer_move_into_import; grpc_slice_buffer_trim_end_type grpc_slice_buffer_trim_end_import; grpc_slice_buffer_move_first_type grpc_slice_buffer_move_first_import; +grpc_slice_buffer_move_first_no_ref_type grpc_slice_buffer_move_first_no_ref_import; grpc_slice_buffer_move_first_into_buffer_type grpc_slice_buffer_move_first_into_buffer_import; grpc_slice_buffer_take_first_type grpc_slice_buffer_take_first_import; grpc_slice_buffer_undo_take_first_type grpc_slice_buffer_undo_take_first_import; @@ -476,10 +480,12 @@ void grpc_rb_load_imports(HMODULE library) { grpc_server_credentials_set_auth_metadata_processor_import = (grpc_server_credentials_set_auth_metadata_processor_type) GetProcAddress(library, "grpc_server_credentials_set_auth_metadata_processor"); grpc_slice_ref_import = (grpc_slice_ref_type) GetProcAddress(library, "grpc_slice_ref"); grpc_slice_unref_import = (grpc_slice_unref_type) GetProcAddress(library, "grpc_slice_unref"); + grpc_slice_copy_import = (grpc_slice_copy_type) GetProcAddress(library, "grpc_slice_copy"); grpc_slice_new_import = (grpc_slice_new_type) GetProcAddress(library, "grpc_slice_new"); grpc_slice_new_with_user_data_import = (grpc_slice_new_with_user_data_type) GetProcAddress(library, "grpc_slice_new_with_user_data"); grpc_slice_new_with_len_import = (grpc_slice_new_with_len_type) GetProcAddress(library, "grpc_slice_new_with_len"); grpc_slice_malloc_import = (grpc_slice_malloc_type) GetProcAddress(library, "grpc_slice_malloc"); + grpc_slice_malloc_large_import = (grpc_slice_malloc_large_type) GetProcAddress(library, "grpc_slice_malloc_large"); grpc_slice_intern_import = (grpc_slice_intern_type) GetProcAddress(library, "grpc_slice_intern"); grpc_slice_from_copied_string_import = (grpc_slice_from_copied_string_type) GetProcAddress(library, "grpc_slice_from_copied_string"); grpc_slice_from_copied_buffer_import = (grpc_slice_from_copied_buffer_type) GetProcAddress(library, "grpc_slice_from_copied_buffer"); @@ -488,6 +494,7 @@ void grpc_rb_load_imports(HMODULE library) { grpc_slice_sub_import = (grpc_slice_sub_type) GetProcAddress(library, "grpc_slice_sub"); grpc_slice_sub_no_ref_import = (grpc_slice_sub_no_ref_type) GetProcAddress(library, "grpc_slice_sub_no_ref"); grpc_slice_split_tail_import = (grpc_slice_split_tail_type) GetProcAddress(library, "grpc_slice_split_tail"); + grpc_slice_split_tail_maybe_ref_import = (grpc_slice_split_tail_maybe_ref_type) GetProcAddress(library, "grpc_slice_split_tail_maybe_ref"); grpc_slice_split_head_import = (grpc_slice_split_head_type) GetProcAddress(library, "grpc_slice_split_head"); grpc_empty_slice_import = (grpc_empty_slice_type) GetProcAddress(library, "grpc_empty_slice"); grpc_slice_default_hash_impl_import = (grpc_slice_default_hash_impl_type) GetProcAddress(library, "grpc_slice_default_hash_impl"); @@ -516,6 +523,7 @@ void grpc_rb_load_imports(HMODULE library) { grpc_slice_buffer_move_into_import = (grpc_slice_buffer_move_into_type) GetProcAddress(library, "grpc_slice_buffer_move_into"); grpc_slice_buffer_trim_end_import = (grpc_slice_buffer_trim_end_type) GetProcAddress(library, "grpc_slice_buffer_trim_end"); grpc_slice_buffer_move_first_import = (grpc_slice_buffer_move_first_type) GetProcAddress(library, "grpc_slice_buffer_move_first"); + grpc_slice_buffer_move_first_no_ref_import = (grpc_slice_buffer_move_first_no_ref_type) GetProcAddress(library, "grpc_slice_buffer_move_first_no_ref"); grpc_slice_buffer_move_first_into_buffer_import = (grpc_slice_buffer_move_first_into_buffer_type) GetProcAddress(library, "grpc_slice_buffer_move_first_into_buffer"); grpc_slice_buffer_take_first_import = (grpc_slice_buffer_take_first_type) GetProcAddress(library, "grpc_slice_buffer_take_first"); grpc_slice_buffer_undo_take_first_import = (grpc_slice_buffer_undo_take_first_type) GetProcAddress(library, "grpc_slice_buffer_undo_take_first"); diff --git a/src/ruby/ext/grpc/rb_grpc_imports.generated.h b/src/ruby/ext/grpc/rb_grpc_imports.generated.h index 7df8dd69fc..f62b31e83d 100644 --- a/src/ruby/ext/grpc/rb_grpc_imports.generated.h +++ b/src/ruby/ext/grpc/rb_grpc_imports.generated.h @@ -488,6 +488,9 @@ extern grpc_slice_ref_type grpc_slice_ref_import; typedef void(*grpc_slice_unref_type)(grpc_slice s); extern grpc_slice_unref_type grpc_slice_unref_import; #define grpc_slice_unref grpc_slice_unref_import +typedef grpc_slice(*grpc_slice_copy_type)(grpc_slice s); +extern grpc_slice_copy_type grpc_slice_copy_import; +#define grpc_slice_copy grpc_slice_copy_import typedef grpc_slice(*grpc_slice_new_type)(void *p, size_t len, void (*destroy)(void *)); extern grpc_slice_new_type grpc_slice_new_import; #define grpc_slice_new grpc_slice_new_import @@ -500,6 +503,9 @@ extern grpc_slice_new_with_len_type grpc_slice_new_with_len_import; typedef grpc_slice(*grpc_slice_malloc_type)(size_t length); extern grpc_slice_malloc_type grpc_slice_malloc_import; #define grpc_slice_malloc grpc_slice_malloc_import +typedef grpc_slice(*grpc_slice_malloc_large_type)(size_t length); +extern grpc_slice_malloc_large_type grpc_slice_malloc_large_import; +#define grpc_slice_malloc_large grpc_slice_malloc_large_import typedef grpc_slice(*grpc_slice_intern_type)(grpc_slice slice); extern grpc_slice_intern_type grpc_slice_intern_import; #define grpc_slice_intern grpc_slice_intern_import @@ -524,6 +530,9 @@ extern grpc_slice_sub_no_ref_type grpc_slice_sub_no_ref_import; typedef grpc_slice(*grpc_slice_split_tail_type)(grpc_slice *s, size_t split); extern grpc_slice_split_tail_type grpc_slice_split_tail_import; #define grpc_slice_split_tail grpc_slice_split_tail_import +typedef grpc_slice(*grpc_slice_split_tail_maybe_ref_type)(grpc_slice *s, size_t split, grpc_slice_ref_whom ref_whom); +extern grpc_slice_split_tail_maybe_ref_type grpc_slice_split_tail_maybe_ref_import; +#define grpc_slice_split_tail_maybe_ref grpc_slice_split_tail_maybe_ref_import typedef grpc_slice(*grpc_slice_split_head_type)(grpc_slice *s, size_t split); extern grpc_slice_split_head_type grpc_slice_split_head_import; #define grpc_slice_split_head grpc_slice_split_head_import @@ -608,6 +617,9 @@ extern grpc_slice_buffer_trim_end_type grpc_slice_buffer_trim_end_import; typedef void(*grpc_slice_buffer_move_first_type)(grpc_slice_buffer *src, size_t n, grpc_slice_buffer *dst); extern grpc_slice_buffer_move_first_type grpc_slice_buffer_move_first_import; #define grpc_slice_buffer_move_first grpc_slice_buffer_move_first_import +typedef void(*grpc_slice_buffer_move_first_no_ref_type)(grpc_slice_buffer *src, size_t n, grpc_slice_buffer *dst); +extern grpc_slice_buffer_move_first_no_ref_type grpc_slice_buffer_move_first_no_ref_import; +#define grpc_slice_buffer_move_first_no_ref grpc_slice_buffer_move_first_no_ref_import typedef void(*grpc_slice_buffer_move_first_into_buffer_type)(grpc_exec_ctx *exec_ctx, grpc_slice_buffer *src, size_t n, void *dst); extern grpc_slice_buffer_move_first_into_buffer_type grpc_slice_buffer_move_first_into_buffer_import; #define grpc_slice_buffer_move_first_into_buffer grpc_slice_buffer_move_first_into_buffer_import diff --git a/test/core/util/passthru_endpoint.c b/test/core/util/passthru_endpoint.c index 121567fc0d..6400845d23 100644 --- a/test/core/util/passthru_endpoint.c +++ b/test/core/util/passthru_endpoint.c @@ -102,13 +102,14 @@ static void me_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, error = GRPC_ERROR_CREATE_FROM_STATIC_STRING("Endpoint already shutdown"); } else if (m->on_read != NULL) { for (size_t i = 0; i < slices->count; i++) { - grpc_slice_buffer_add(m->on_read_out, grpc_slice_ref(slices->slices[i])); + grpc_slice_buffer_add(m->on_read_out, grpc_slice_copy(slices->slices[i])); } grpc_closure_sched(exec_ctx, m->on_read, GRPC_ERROR_NONE); m->on_read = NULL; } else { for (size_t i = 0; i < slices->count; i++) { - grpc_slice_buffer_add(&m->read_buffer, grpc_slice_ref(slices->slices[i])); + grpc_slice_buffer_add(&m->read_buffer, + grpc_slice_copy(slices->slices[i])); } } gpr_mu_unlock(&m->parent->mu); diff --git a/test/core/util/trickle_endpoint.c b/test/core/util/trickle_endpoint.c index 0848147158..58ac59711b 100644 --- a/test/core/util/trickle_endpoint.c +++ b/test/core/util/trickle_endpoint.c @@ -66,14 +66,14 @@ static void te_read(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, static void te_write(grpc_exec_ctx *exec_ctx, grpc_endpoint *ep, grpc_slice_buffer *slices, grpc_closure *cb) { trickle_endpoint *te = (trickle_endpoint *)ep; - for (size_t i = 0; i < slices->count; i++) { - grpc_slice_ref_internal(slices->slices[i]); - } gpr_mu_lock(&te->mu); if (te->write_buffer.length == 0) { te->last_write = gpr_now(GPR_CLOCK_MONOTONIC); } - grpc_slice_buffer_addn(&te->write_buffer, slices->slices, slices->count); + for (size_t i = 0; i < slices->count; i++) { + grpc_slice_buffer_add(&te->write_buffer, + grpc_slice_copy(slices->slices[i])); + } grpc_closure_sched(exec_ctx, cb, GRPC_ERROR_REF(te->error)); gpr_mu_unlock(&te->mu); } diff --git a/tools/run_tests/sanity/core_banned_functions.py b/tools/run_tests/sanity/core_banned_functions.py index c3c3cbec76..2387c5f1da 100755 --- a/tools/run_tests/sanity/core_banned_functions.py +++ b/tools/run_tests/sanity/core_banned_functions.py @@ -50,6 +50,7 @@ BANNED_EXCEPT = { 'grpc_os_error(': ['src/core/lib/iomgr/error.c'], 'grpc_wsa_error(': ['src/core/lib/iomgr/error.c'], 'grpc_log_if_error(': ['src/core/lib/iomgr/error.c'], + 'grpc_slice_malloc(': ['src/core/lib/slice/slice.c'], } errors = 0 |