diff options
-rw-r--r-- | include/grpc/impl/codegen/grpc_types.h | 6 | ||||
-rw-r--r-- | src/core/lib/channel/message_size_filter.c | 20 |
2 files changed, 16 insertions, 10 deletions
diff --git a/include/grpc/impl/codegen/grpc_types.h b/include/grpc/impl/codegen/grpc_types.h index a8e8ebe6ea..191cdd0e5f 100644 --- a/include/grpc/impl/codegen/grpc_types.h +++ b/include/grpc/impl/codegen/grpc_types.h @@ -148,11 +148,13 @@ typedef struct { /** Maximum number of concurrent incoming streams to allow on a http2 connection. Int valued. */ #define GRPC_ARG_MAX_CONCURRENT_STREAMS "grpc.max_concurrent_streams" -/** Maximum message length that the channel can receive. Int valued, bytes. */ +/** Maximum message length that the channel can receive. Int valued, bytes. + -1 means unlimited. */ #define GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH "grpc.max_receive_message_length" /** \deprecated For backward compatibility. */ #define GRPC_ARG_MAX_MESSAGE_LENGTH GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH -/** Maximum message length that the channel can send. Int valued, bytes. */ +/** Maximum message length that the channel can send. Int valued, bytes. + -1 means unlimited. */ #define GRPC_ARG_MAX_SEND_MESSAGE_LENGTH "grpc.max_send_message_length" /** Initial sequence number for http2 transports. Int valued. */ #define GRPC_ARG_HTTP2_INITIAL_SEQUENCE_NUMBER \ diff --git a/src/core/lib/channel/message_size_filter.c b/src/core/lib/channel/message_size_filter.c index 6613785dea..7528184d89 100644 --- a/src/core/lib/channel/message_size_filter.c +++ b/src/core/lib/channel/message_size_filter.c @@ -40,8 +40,9 @@ #include "src/core/lib/channel/channel_args.h" +#define DEFAULT_MAX_SEND_MESSAGE_LENGTH -1 // Unlimited. // The protobuf library will (by default) start warning at 100 megs. -#define DEFAULT_MAX_MESSAGE_LENGTH (4 * 1024 * 1024) +#define DEFAULT_MAX_RECV_MESSAGE_LENGTH (4 * 1024 * 1024) typedef struct call_data { // Receive closures are chained: we inject this closure as the @@ -55,8 +56,8 @@ typedef struct call_data { } call_data; typedef struct channel_data { - size_t max_send_size; - size_t max_recv_size; + long max_send_size; + long max_recv_size; } channel_data; // Callback invoked when we receive a message. Here we check the max @@ -66,7 +67,7 @@ static void recv_message_ready(grpc_exec_ctx* exec_ctx, void* user_data, grpc_call_element* elem = user_data; call_data* calld = elem->call_data; channel_data* chand = elem->channel_data; - if (*calld->recv_message != NULL && + if (*calld->recv_message != NULL && chand->max_recv_size >= 0 && (*calld->recv_message)->length > chand->max_recv_size) { char* message_string; gpr_asprintf( @@ -88,7 +89,7 @@ static void start_transport_stream_op(grpc_exec_ctx* exec_ctx, call_data* calld = elem->call_data; channel_data* chand = elem->channel_data; // Check max send message size. - if (op->send_message != NULL && + if (op->send_message != NULL && chand->max_send_size >= 0 && op->send_message->length > chand->max_send_size) { char* message_string; gpr_asprintf(&message_string, "Sent message larger than max (%u vs. %lu)", @@ -130,17 +131,20 @@ static void init_channel_elem(grpc_exec_ctx* exec_ctx, GPR_ASSERT(!args->is_last); channel_data* chand = elem->channel_data; memset(chand, 0, sizeof(*chand)); - chand->max_send_size = DEFAULT_MAX_MESSAGE_LENGTH; - chand->max_recv_size = DEFAULT_MAX_MESSAGE_LENGTH; - const grpc_integer_options options = {DEFAULT_MAX_MESSAGE_LENGTH, 0, INT_MAX}; + chand->max_send_size = DEFAULT_MAX_SEND_MESSAGE_LENGTH; + chand->max_recv_size = DEFAULT_MAX_RECV_MESSAGE_LENGTH; for (size_t i = 0; i < args->channel_args->num_args; ++i) { if (strcmp(args->channel_args->args[i].key, GRPC_ARG_MAX_SEND_MESSAGE_LENGTH) == 0) { + const grpc_integer_options options = {DEFAULT_MAX_SEND_MESSAGE_LENGTH, 0, + INT_MAX}; chand->max_send_size = (size_t)grpc_channel_arg_get_integer( &args->channel_args->args[i], options); } if (strcmp(args->channel_args->args[i].key, GRPC_ARG_MAX_RECEIVE_MESSAGE_LENGTH) == 0) { + const grpc_integer_options options = {DEFAULT_MAX_RECV_MESSAGE_LENGTH, 0, + INT_MAX}; chand->max_recv_size = (size_t)grpc_channel_arg_get_integer( &args->channel_args->args[i], options); } |