diff options
Diffstat (limited to 'src')
8 files changed, 844 insertions, 0 deletions
diff --git a/src/core/client_config/lb_policies/load_balancer_api.c b/src/core/client_config/lb_policies/load_balancer_api.c new file mode 100644 index 0000000000..c0fd726efd --- /dev/null +++ b/src/core/client_config/lb_policies/load_balancer_api.c @@ -0,0 +1,164 @@ +/* + * + * Copyright 2015, 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/client_config/lb_policies/load_balancer_api.h" +#include "third_party/nanopb/pb_decode.h" +#include "third_party/nanopb/pb_encode.h" + +#include <grpc/support/alloc.h> + + +typedef struct decode_serverlist_arg { + int first_pass; + int i; + size_t num_servers; + grpc_grpclb_server **servers; +} decode_serverlist_arg; + +/* invoked once for every Server in ServerList */ +static bool decode_serverlist(pb_istream_t *stream, const pb_field_t *field, + void **arg) { + decode_serverlist_arg *dec_arg = *arg; + if (dec_arg->first_pass != 0) { /* first pass */ + grpc_grpclb_server server; + if (!pb_decode(stream, grpc_lb_v0_Server_fields, &server)) { + return false; + } + dec_arg->num_servers++; + } else { /* second pass */ + grpc_grpclb_server *server = gpr_malloc(sizeof(grpc_grpclb_server)); + GPR_ASSERT(dec_arg->num_servers > 0); + if (dec_arg->i == 0) { /* first iteration of second pass */ + dec_arg->servers = + gpr_malloc(sizeof(grpc_grpclb_server *) * dec_arg->num_servers); + } + if (!pb_decode(stream, grpc_lb_v0_Server_fields, server)) { + return false; + } + dec_arg->servers[dec_arg->i++] = server; + } + + return true; +} + +grpc_grpclb_request *grpc_grpclb_request_create(const char *lb_service_name) { + grpc_grpclb_request *req = gpr_malloc(sizeof(grpc_grpclb_request)); + + req->has_client_stats = 0; /* TODO(dgq): add support for stats once defined */ + req->has_initial_request = 1; + req->initial_request.has_name = 1; + strncpy(req->initial_request.name, lb_service_name, + GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH); + return req; +} + +gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request *request) { + size_t encoded_length; + pb_ostream_t sizestream; + pb_ostream_t outputstream; + gpr_slice slice; + memset(&sizestream, 0, sizeof(pb_ostream_t)); + pb_encode(&sizestream, grpc_lb_v0_LoadBalanceRequest_fields, request); + encoded_length = sizestream.bytes_written; + + slice = gpr_slice_malloc(encoded_length); + outputstream = + pb_ostream_from_buffer(GPR_SLICE_START_PTR(slice), encoded_length); + GPR_ASSERT(pb_encode(&outputstream, grpc_lb_v0_LoadBalanceRequest_fields, + request) != 0); + return slice; +} + +void grpc_grpclb_request_destroy(grpc_grpclb_request *request) { + gpr_free(request); +} + +grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response) { + bool status; + pb_istream_t stream = + pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response), + GPR_SLICE_LENGTH(encoded_response)); + grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response)); + memset(res, 0, sizeof(*res)); + status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res); + GPR_ASSERT(status == true); + return res; +} + +grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist( + gpr_slice encoded_response) { + grpc_grpclb_serverlist *sl = gpr_malloc(sizeof(grpc_grpclb_serverlist)); + bool status; + decode_serverlist_arg arg; + pb_istream_t stream = + pb_istream_from_buffer(GPR_SLICE_START_PTR(encoded_response), + GPR_SLICE_LENGTH(encoded_response)); + pb_istream_t stream_at_start = stream; + grpc_grpclb_response *res = gpr_malloc(sizeof(grpc_grpclb_response)); + memset(res, 0, sizeof(*res)); + memset(&arg, 0, sizeof(decode_serverlist_arg)); + + res->server_list.servers.funcs.decode = decode_serverlist; + res->server_list.servers.arg = &arg; + arg.first_pass = 1; + status = pb_decode(&stream, grpc_lb_v0_LoadBalanceResponse_fields, res); + GPR_ASSERT(status == true); + GPR_ASSERT(arg.num_servers > 0); + + arg.first_pass = 0; + status = + pb_decode(&stream_at_start, grpc_lb_v0_LoadBalanceResponse_fields, res); + GPR_ASSERT(status == true); + GPR_ASSERT(arg.servers != NULL); + + sl->num_servers = arg.num_servers; + sl->servers = arg.servers; + if (res->server_list.has_expiration_interval) { + sl->expiration_interval = res->server_list.expiration_interval; + } + grpc_grpclb_response_destroy(res); + return sl; +} + +void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist) { + size_t i; + for (i = 0; i < serverlist->num_servers; i++) { + gpr_free(serverlist->servers[i]); + } + gpr_free(serverlist->servers); + gpr_free(serverlist); +} + +void grpc_grpclb_response_destroy(grpc_grpclb_response *response) { + gpr_free(response); +} diff --git a/src/core/client_config/lb_policies/load_balancer_api.h b/src/core/client_config/lb_policies/load_balancer_api.h new file mode 100644 index 0000000000..4018a1bf87 --- /dev/null +++ b/src/core/client_config/lb_policies/load_balancer_api.h @@ -0,0 +1,85 @@ +/* + * + * Copyright 2015, 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_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H +#define GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H + +#include <grpc/support/slice_buffer.h> + +#include "src/core/client_config/lb_policy_factory.h" +#include "src/core/proto/load_balancer.pb.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define GRPC_GRPCLB_SERVICE_NAME_MAX_LENGTH 128 + +typedef grpc_lb_v0_LoadBalanceRequest grpc_grpclb_request; +typedef grpc_lb_v0_LoadBalanceResponse grpc_grpclb_response; +typedef grpc_lb_v0_Server grpc_grpclb_server; +typedef grpc_lb_v0_Duration grpc_grpclb_duration; +typedef struct grpc_grpclb_serverlist { + grpc_grpclb_server **servers; + size_t num_servers; + grpc_grpclb_duration expiration_interval; +} grpc_grpclb_serverlist; + +/** Create a request for a gRPC LB service under \a lb_service_name */ +grpc_grpclb_request *grpc_grpclb_request_create(const char* lb_service_name); + +/** Protocol Buffers v3-encode \a request */ +gpr_slice grpc_grpclb_request_encode(const grpc_grpclb_request* request); + +/** Destroy \a request */ +void grpc_grpclb_request_destroy(grpc_grpclb_request *request); + +/** Parse (ie, decode) the bytes in \a encoded_response as a \a + * grpc_grpclb_response */ +grpc_grpclb_response *grpc_grpclb_response_parse(gpr_slice encoded_response); + +/** Destroy \a serverlist */ +void grpc_grpclb_destroy_serverlist(grpc_grpclb_serverlist *serverlist); + +/** Parse the list of servers from an encoded \a grpc_grpclb_response */ +grpc_grpclb_serverlist *grpc_grpclb_response_parse_serverlist( + gpr_slice encoded_response); + +/** Destroy \a response */ +void grpc_grpclb_response_destroy(grpc_grpclb_response *response); + +#ifdef __cplusplus +} +#endif + +#endif /* GRPC_INTERNAL_CORE_CLIENT_CONFIG_LB_POLICIES_LOAD_BALANCER_API_H */ diff --git a/src/core/client_config/lb_policies/proto/load_balancer.options b/src/core/client_config/lb_policies/proto/load_balancer.options new file mode 100644 index 0000000000..6d4528f838 --- /dev/null +++ b/src/core/client_config/lb_policies/proto/load_balancer.options @@ -0,0 +1,6 @@ +grpc.lb.v0.InitialLoadBalanceRequest.name max_size:128 +grpc.lb.v0.InitialLoadBalanceResponse.client_config max_size:64 +grpc.lb.v0.InitialLoadBalanceResponse.load_balancer_delegate max_size:64 +grpc.lb.v0.Server.ip_address max_size:46 +grpc.lb.v0.Server.load_balance_token max_size:64 +load_balancer.proto no_unions:true diff --git a/src/core/client_config/lb_policies/proto/load_balancer.proto b/src/core/client_config/lb_policies/proto/load_balancer.proto new file mode 100644 index 0000000000..6c96e8d52c --- /dev/null +++ b/src/core/client_config/lb_policies/proto/load_balancer.proto @@ -0,0 +1,115 @@ +syntax = "proto3"; + +package grpc.lb.v0; + +message Duration { + + // Signed seconds of the span of time. Must be from -315,576,000,000 + // to +315,576,000,000 inclusive. + int64 seconds = 1; + + // Signed fractions of a second at nanosecond resolution of the span + // of time. Durations less than one second are represented with a 0 + // `seconds` field and a positive or negative `nanos` field. For durations + // of one second or more, a non-zero value for the `nanos` field must be + // of the same sign as the `seconds` field. Must be from -999,999,999 + // to +999,999,999 inclusive. + int32 nanos = 2; +} + +service LoadBalancer { + // Bidirectional rpc to get a list of servers. + rpc BalanceLoad(stream LoadBalanceRequest) + returns (stream LoadBalanceResponse); +} + +message LoadBalanceRequest { + oneof load_balance_request_type { + // This message should be sent on the first request to the load balancer. + InitialLoadBalanceRequest initial_request = 1; + + // The client stats should be periodically reported to the load balancer + // based on the duration defined in the InitialLoadBalanceResponse. + ClientStats client_stats = 2; + } +} + +message InitialLoadBalanceRequest { + // Name of load balanced service (IE, service.grpc.gslb.google.com) + string name = 1; +} + +// Contains client level statistics that are useful to load balancing. Each +// count should be reset to zero after reporting the stats. +message ClientStats { + // The total number of requests sent by the client since the last report. + int64 total_requests = 1; + + // The number of client rpc errors since the last report. + int64 client_rpc_errors = 2; + + // The number of dropped requests since the last report. + int64 dropped_requests = 3; +} + +message LoadBalanceResponse { + oneof load_balance_response_type { + // This message should be sent on the first response to the client. + InitialLoadBalanceResponse initial_response = 1; + + // Contains the list of servers selected by the load balancer. The client + // should send requests to these servers in the specified order. + ServerList server_list = 2; + } +} + +message InitialLoadBalanceResponse { + oneof initial_response_type { + // Contains gRPC config options like RPC deadline or flow control. + // TODO(yetianx): Change to ClientConfig after it is defined. + string client_config = 1; + + // This is an application layer redirect that indicates the client should + // use the specified server for load balancing. When this field is set in + // the response, the client should open a separate connection to the + // load_balancer_delegate and call the BalanceLoad method. + string load_balancer_delegate = 2; + } + + // This interval defines how often the client should send the client stats + // to the load balancer. Stats should only be reported when the duration is + // positive. + Duration client_stats_report_interval = 3; +} + +message ServerList { + // Contains a list of servers selected by the load balancer. The list will + // be updated when server resolutions change or as needed to balance load + // across more servers. The client should consume the server list in order + // unless instructed otherwise via the client_config. + repeated Server servers = 1; + + // Indicates the amount of time that the client should consider this server + // list as valid. It may be considered stale after waiting this interval of + // time after receiving the list. If the interval is not positive, the + // client can assume the list is valid until the next list is received. + Duration expiration_interval = 3; +} + +message Server { + // A resolved address and port for the server. The IP address string may + // either be an IPv4 or IPv6 address. + string ip_address = 1; + int32 port = 2; + + // An opaque token that is passed from the client to the server in metadata. + // The server may expect this token to indicate that the request from the + // client was load balanced. + // TODO(yetianx): Not used right now, and will be used after implementing + // load report. + bytes load_balance_token = 3; + + // Indicates whether this particular request should be dropped by the client + // when this server is chosen from the list. + bool drop_request = 4; +} diff --git a/src/core/proto/load_balancer.pb.c b/src/core/proto/load_balancer.pb.c new file mode 100644 index 0000000000..2f29748d21 --- /dev/null +++ b/src/core/proto/load_balancer.pb.c @@ -0,0 +1,87 @@ +/* Automatically generated nanopb constant definitions */ +/* Generated by nanopb-0.3.4-dev at Wed Nov 11 15:38:23 2015. */ + +#include "load_balancer.pb.h" + +#if PB_PROTO_HEADER_VERSION != 30 +#error Regenerate this file with the current version of nanopb generator. +#endif + + + +const pb_field_t grpc_lb_v0_Duration_fields[3] = { + PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Duration, seconds, seconds, 0), + PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Duration, nanos, seconds, 0), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3] = { + PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceRequest, initial_request, initial_request, &grpc_lb_v0_InitialLoadBalanceRequest_fields), + PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceRequest, client_stats, initial_request, &grpc_lb_v0_ClientStats_fields), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2] = { + PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceRequest, name, name, 0), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_ClientStats_fields[4] = { + PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_ClientStats, total_requests, total_requests, 0), + PB_FIELD( 2, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, client_rpc_errors, total_requests, 0), + PB_FIELD( 3, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, dropped_requests, client_rpc_errors, 0), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3] = { + PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceResponse, initial_response, initial_response, &grpc_lb_v0_InitialLoadBalanceResponse_fields), + PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceResponse, server_list, initial_response, &grpc_lb_v0_ServerList_fields), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4] = { + PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceResponse, client_config, client_config, 0), + PB_FIELD( 2, STRING , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, load_balancer_delegate, client_config, 0), + PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval, load_balancer_delegate, &grpc_lb_v0_Duration_fields), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_ServerList_fields[3] = { + PB_FIELD( 1, MESSAGE , REPEATED, CALLBACK, FIRST, grpc_lb_v0_ServerList, servers, servers, &grpc_lb_v0_Server_fields), + PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ServerList, expiration_interval, servers, &grpc_lb_v0_Duration_fields), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_Server_fields[5] = { + PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Server, ip_address, ip_address, 0), + PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, port, ip_address, 0), + PB_FIELD( 3, BYTES , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, load_balance_token, port, 0), + PB_FIELD( 4, BOOL , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, drop_request, load_balance_token, 0), + PB_LAST_FIELD +}; + + +/* Check that field information fits in pb_field_t */ +#if !defined(PB_FIELD_32BIT) +/* If you get an error here, it means that you need to define PB_FIELD_32BIT + * compile-time option. You can do that in pb.h or on compiler command line. + * + * The reason you need to do this is that some of your messages contain tag + * numbers or field sizes that are larger than what can fit in 8 or 16 bit + * field descriptors. + */ +PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 65536 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 65536 && pb_membersize(grpc_lb_v0_ServerList, servers) < 65536 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server) +#endif + +#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT) +/* If you get an error here, it means that you need to define PB_FIELD_16BIT + * compile-time option. You can do that in pb.h or on compiler command line. + * + * The reason you need to do this is that some of your messages contain tag + * numbers or field sizes that are larger than what can fit in the default + * 8 bit descriptors. + */ +PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 256 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 256 && pb_membersize(grpc_lb_v0_ServerList, servers) < 256 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server) +#endif + + diff --git a/src/core/proto/load_balancer.pb.h b/src/core/proto/load_balancer.pb.h new file mode 100644 index 0000000000..26404a8982 --- /dev/null +++ b/src/core/proto/load_balancer.pb.h @@ -0,0 +1,150 @@ +/* Automatically generated nanopb header */ +/* Generated by nanopb-0.3.4-dev at Wed Nov 11 15:38:23 2015. */ + +#ifndef PB_LOAD_BALANCER_PB_H_INCLUDED +#define PB_LOAD_BALANCER_PB_H_INCLUDED +#include "third_party/nanopb/pb.h" +#if PB_PROTO_HEADER_VERSION != 30 +#error Regenerate this file with the current version of nanopb generator. +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* Enum definitions */ +/* Struct definitions */ +typedef struct _grpc_lb_v0_ClientStats { + bool has_total_requests; + int64_t total_requests; + bool has_client_rpc_errors; + int64_t client_rpc_errors; + bool has_dropped_requests; + int64_t dropped_requests; +} grpc_lb_v0_ClientStats; + +typedef struct _grpc_lb_v0_Duration { + bool has_seconds; + int64_t seconds; + bool has_nanos; + int32_t nanos; +} grpc_lb_v0_Duration; + +typedef struct _grpc_lb_v0_InitialLoadBalanceRequest { + bool has_name; + char name[128]; +} grpc_lb_v0_InitialLoadBalanceRequest; + +typedef PB_BYTES_ARRAY_T(64) grpc_lb_v0_Server_load_balance_token_t; +typedef struct _grpc_lb_v0_Server { + bool has_ip_address; + char ip_address[46]; + bool has_port; + int32_t port; + bool has_load_balance_token; + grpc_lb_v0_Server_load_balance_token_t load_balance_token; + bool has_drop_request; + bool drop_request; +} grpc_lb_v0_Server; + +typedef struct _grpc_lb_v0_InitialLoadBalanceResponse { + bool has_client_config; + char client_config[64]; + bool has_load_balancer_delegate; + char load_balancer_delegate[64]; + bool has_client_stats_report_interval; + grpc_lb_v0_Duration client_stats_report_interval; +} grpc_lb_v0_InitialLoadBalanceResponse; + +typedef struct _grpc_lb_v0_LoadBalanceRequest { + bool has_initial_request; + grpc_lb_v0_InitialLoadBalanceRequest initial_request; + bool has_client_stats; + grpc_lb_v0_ClientStats client_stats; +} grpc_lb_v0_LoadBalanceRequest; + +typedef struct _grpc_lb_v0_ServerList { + pb_callback_t servers; + bool has_expiration_interval; + grpc_lb_v0_Duration expiration_interval; +} grpc_lb_v0_ServerList; + +typedef struct _grpc_lb_v0_LoadBalanceResponse { + bool has_initial_response; + grpc_lb_v0_InitialLoadBalanceResponse initial_response; + bool has_server_list; + grpc_lb_v0_ServerList server_list; +} grpc_lb_v0_LoadBalanceResponse; + +/* Default values for struct fields */ + +/* Initializer values for message structs */ +#define grpc_lb_v0_Duration_init_default {false, 0, false, 0} +#define grpc_lb_v0_LoadBalanceRequest_init_default {false, grpc_lb_v0_InitialLoadBalanceRequest_init_default, false, grpc_lb_v0_ClientStats_init_default} +#define grpc_lb_v0_InitialLoadBalanceRequest_init_default {false, ""} +#define grpc_lb_v0_ClientStats_init_default {false, 0, false, 0, false, 0} +#define grpc_lb_v0_LoadBalanceResponse_init_default {false, grpc_lb_v0_InitialLoadBalanceResponse_init_default, false, grpc_lb_v0_ServerList_init_default} +#define grpc_lb_v0_InitialLoadBalanceResponse_init_default {false, "", false, "", false, grpc_lb_v0_Duration_init_default} +#define grpc_lb_v0_ServerList_init_default {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_default} +#define grpc_lb_v0_Server_init_default {false, "", false, 0, false, {0, {0}}, false, 0} +#define grpc_lb_v0_Duration_init_zero {false, 0, false, 0} +#define grpc_lb_v0_LoadBalanceRequest_init_zero {false, grpc_lb_v0_InitialLoadBalanceRequest_init_zero, false, grpc_lb_v0_ClientStats_init_zero} +#define grpc_lb_v0_InitialLoadBalanceRequest_init_zero {false, ""} +#define grpc_lb_v0_ClientStats_init_zero {false, 0, false, 0, false, 0} +#define grpc_lb_v0_LoadBalanceResponse_init_zero {false, grpc_lb_v0_InitialLoadBalanceResponse_init_zero, false, grpc_lb_v0_ServerList_init_zero} +#define grpc_lb_v0_InitialLoadBalanceResponse_init_zero {false, "", false, "", false, grpc_lb_v0_Duration_init_zero} +#define grpc_lb_v0_ServerList_init_zero {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_zero} +#define grpc_lb_v0_Server_init_zero {false, "", false, 0, false, {0, {0}}, false, 0} + +/* Field tags (for use in manual encoding/decoding) */ +#define grpc_lb_v0_ClientStats_total_requests_tag 1 +#define grpc_lb_v0_ClientStats_client_rpc_errors_tag 2 +#define grpc_lb_v0_ClientStats_dropped_requests_tag 3 +#define grpc_lb_v0_Duration_seconds_tag 1 +#define grpc_lb_v0_Duration_nanos_tag 2 +#define grpc_lb_v0_InitialLoadBalanceRequest_name_tag 1 +#define grpc_lb_v0_Server_ip_address_tag 1 +#define grpc_lb_v0_Server_port_tag 2 +#define grpc_lb_v0_Server_load_balance_token_tag 3 +#define grpc_lb_v0_Server_drop_request_tag 4 +#define grpc_lb_v0_InitialLoadBalanceResponse_client_config_tag 1 +#define grpc_lb_v0_InitialLoadBalanceResponse_load_balancer_delegate_tag 2 +#define grpc_lb_v0_InitialLoadBalanceResponse_client_stats_report_interval_tag 3 +#define grpc_lb_v0_LoadBalanceRequest_initial_request_tag 1 +#define grpc_lb_v0_LoadBalanceRequest_client_stats_tag 2 +#define grpc_lb_v0_ServerList_servers_tag 1 +#define grpc_lb_v0_ServerList_expiration_interval_tag 3 +#define grpc_lb_v0_LoadBalanceResponse_initial_response_tag 1 +#define grpc_lb_v0_LoadBalanceResponse_server_list_tag 2 + +/* Struct field encoding specification for nanopb */ +extern const pb_field_t grpc_lb_v0_Duration_fields[3]; +extern const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3]; +extern const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2]; +extern const pb_field_t grpc_lb_v0_ClientStats_fields[4]; +extern const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3]; +extern const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4]; +extern const pb_field_t grpc_lb_v0_ServerList_fields[3]; +extern const pb_field_t grpc_lb_v0_Server_fields[5]; + +/* Maximum encoded size of messages (where known) */ +#define grpc_lb_v0_Duration_size 22 +#define grpc_lb_v0_LoadBalanceRequest_size 169 +#define grpc_lb_v0_InitialLoadBalanceRequest_size 131 +#define grpc_lb_v0_ClientStats_size 33 +#define grpc_lb_v0_InitialLoadBalanceResponse_size 156 +#define grpc_lb_v0_Server_size 127 + +/* Message IDs (where set with "msgid" option) */ +#ifdef PB_MSGID + +#define LOAD_BALANCER_MESSAGES \ + + +#endif + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif diff --git a/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.c b/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.c new file mode 100644 index 0000000000..b225b09450 --- /dev/null +++ b/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.c @@ -0,0 +1,87 @@ +/* Automatically generated nanopb constant definitions */ +/* Generated by nanopb-0.3.4-dev at Wed Nov 11 15:31:24 2015. */ + +#include "load_balancer.pb.h" + +#if PB_PROTO_HEADER_VERSION != 30 +#error Regenerate this file with the current version of nanopb generator. +#endif + + + +const pb_field_t grpc_lb_v0_Duration_fields[3] = { + PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Duration, seconds, seconds, 0), + PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Duration, nanos, seconds, 0), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3] = { + PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceRequest, initial_request, initial_request, &grpc_lb_v0_InitialLoadBalanceRequest_fields), + PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceRequest, client_stats, initial_request, &grpc_lb_v0_ClientStats_fields), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2] = { + PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceRequest, name, name, 0), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_ClientStats_fields[4] = { + PB_FIELD( 1, INT64 , OPTIONAL, STATIC , FIRST, grpc_lb_v0_ClientStats, total_requests, total_requests, 0), + PB_FIELD( 2, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, client_rpc_errors, total_requests, 0), + PB_FIELD( 3, INT64 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ClientStats, dropped_requests, client_rpc_errors, 0), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3] = { + PB_FIELD( 1, MESSAGE , OPTIONAL, STATIC , FIRST, grpc_lb_v0_LoadBalanceResponse, initial_response, initial_response, &grpc_lb_v0_InitialLoadBalanceResponse_fields), + PB_FIELD( 2, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_LoadBalanceResponse, server_list, initial_response, &grpc_lb_v0_ServerList_fields), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4] = { + PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_InitialLoadBalanceResponse, client_config, client_config, 0), + PB_FIELD( 2, STRING , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, load_balancer_delegate, client_config, 0), + PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval, load_balancer_delegate, &grpc_lb_v0_Duration_fields), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_ServerList_fields[3] = { + PB_FIELD( 1, MESSAGE , REPEATED, CALLBACK, FIRST, grpc_lb_v0_ServerList, servers, servers, &grpc_lb_v0_Server_fields), + PB_FIELD( 3, MESSAGE , OPTIONAL, STATIC , OTHER, grpc_lb_v0_ServerList, expiration_interval, servers, &grpc_lb_v0_Duration_fields), + PB_LAST_FIELD +}; + +const pb_field_t grpc_lb_v0_Server_fields[5] = { + PB_FIELD( 1, STRING , OPTIONAL, STATIC , FIRST, grpc_lb_v0_Server, ip_address, ip_address, 0), + PB_FIELD( 2, INT32 , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, port, ip_address, 0), + PB_FIELD( 3, BYTES , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, load_balance_token, port, 0), + PB_FIELD( 4, BOOL , OPTIONAL, STATIC , OTHER, grpc_lb_v0_Server, drop_request, load_balance_token, 0), + PB_LAST_FIELD +}; + + +/* Check that field information fits in pb_field_t */ +#if !defined(PB_FIELD_32BIT) +/* If you get an error here, it means that you need to define PB_FIELD_32BIT + * compile-time option. You can do that in pb.h or on compiler command line. + * + * The reason you need to do this is that some of your messages contain tag + * numbers or field sizes that are larger than what can fit in 8 or 16 bit + * field descriptors. + */ +PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 65536 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 65536 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 65536 && pb_membersize(grpc_lb_v0_ServerList, servers) < 65536 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 65536), YOU_MUST_DEFINE_PB_FIELD_32BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server) +#endif + +#if !defined(PB_FIELD_16BIT) && !defined(PB_FIELD_32BIT) +/* If you get an error here, it means that you need to define PB_FIELD_16BIT + * compile-time option. You can do that in pb.h or on compiler command line. + * + * The reason you need to do this is that some of your messages contain tag + * numbers or field sizes that are larger than what can fit in the default + * 8 bit descriptors. + */ +PB_STATIC_ASSERT((pb_membersize(grpc_lb_v0_LoadBalanceRequest, initial_request) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceRequest, client_stats) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, initial_response) < 256 && pb_membersize(grpc_lb_v0_LoadBalanceResponse, server_list) < 256 && pb_membersize(grpc_lb_v0_InitialLoadBalanceResponse, client_stats_report_interval) < 256 && pb_membersize(grpc_lb_v0_ServerList, servers) < 256 && pb_membersize(grpc_lb_v0_ServerList, expiration_interval) < 256), YOU_MUST_DEFINE_PB_FIELD_16BIT_FOR_MESSAGES_grpc_lb_v0_Duration_grpc_lb_v0_LoadBalanceRequest_grpc_lb_v0_InitialLoadBalanceRequest_grpc_lb_v0_ClientStats_grpc_lb_v0_LoadBalanceResponse_grpc_lb_v0_InitialLoadBalanceResponse_grpc_lb_v0_ServerList_grpc_lb_v0_Server) +#endif + + diff --git a/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.h b/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.h new file mode 100644 index 0000000000..d8196302a8 --- /dev/null +++ b/src/core/proto/src/core/client_config/lb_policies/proto/load_balancer.pb.h @@ -0,0 +1,150 @@ +/* Automatically generated nanopb header */ +/* Generated by nanopb-0.3.4-dev at Wed Nov 11 15:31:24 2015. */ + +#ifndef PB_LOAD_BALANCER_PB_H_INCLUDED +#define PB_LOAD_BALANCER_PB_H_INCLUDED +#include "third_party/nanopb/pb.h" +#if PB_PROTO_HEADER_VERSION != 30 +#error Regenerate this file with the current version of nanopb generator. +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* Enum definitions */ +/* Struct definitions */ +typedef struct _grpc_lb_v0_ClientStats { + bool has_total_requests; + int64_t total_requests; + bool has_client_rpc_errors; + int64_t client_rpc_errors; + bool has_dropped_requests; + int64_t dropped_requests; +} grpc_lb_v0_ClientStats; + +typedef struct _grpc_lb_v0_Duration { + bool has_seconds; + int64_t seconds; + bool has_nanos; + int32_t nanos; +} grpc_lb_v0_Duration; + +typedef struct _grpc_lb_v0_InitialLoadBalanceRequest { + bool has_name; + char name[128]; +} grpc_lb_v0_InitialLoadBalanceRequest; + +typedef PB_BYTES_ARRAY_T(64) grpc_lb_v0_Server_load_balance_token_t; +typedef struct _grpc_lb_v0_Server { + bool has_ip_address; + char ip_address[46]; + bool has_port; + int32_t port; + bool has_load_balance_token; + grpc_lb_v0_Server_load_balance_token_t load_balance_token; + bool has_drop_request; + bool drop_request; +} grpc_lb_v0_Server; + +typedef struct _grpc_lb_v0_InitialLoadBalanceResponse { + bool has_client_config; + char client_config[64]; + bool has_load_balancer_delegate; + char load_balancer_delegate[64]; + bool has_client_stats_report_interval; + grpc_lb_v0_Duration client_stats_report_interval; +} grpc_lb_v0_InitialLoadBalanceResponse; + +typedef struct _grpc_lb_v0_LoadBalanceRequest { + bool has_initial_request; + grpc_lb_v0_InitialLoadBalanceRequest initial_request; + bool has_client_stats; + grpc_lb_v0_ClientStats client_stats; +} grpc_lb_v0_LoadBalanceRequest; + +typedef struct _grpc_lb_v0_ServerList { + pb_callback_t servers; + bool has_expiration_interval; + grpc_lb_v0_Duration expiration_interval; +} grpc_lb_v0_ServerList; + +typedef struct _grpc_lb_v0_LoadBalanceResponse { + bool has_initial_response; + grpc_lb_v0_InitialLoadBalanceResponse initial_response; + bool has_server_list; + grpc_lb_v0_ServerList server_list; +} grpc_lb_v0_LoadBalanceResponse; + +/* Default values for struct fields */ + +/* Initializer values for message structs */ +#define grpc_lb_v0_Duration_init_default {false, 0, false, 0} +#define grpc_lb_v0_LoadBalanceRequest_init_default {false, grpc_lb_v0_InitialLoadBalanceRequest_init_default, false, grpc_lb_v0_ClientStats_init_default} +#define grpc_lb_v0_InitialLoadBalanceRequest_init_default {false, ""} +#define grpc_lb_v0_ClientStats_init_default {false, 0, false, 0, false, 0} +#define grpc_lb_v0_LoadBalanceResponse_init_default {false, grpc_lb_v0_InitialLoadBalanceResponse_init_default, false, grpc_lb_v0_ServerList_init_default} +#define grpc_lb_v0_InitialLoadBalanceResponse_init_default {false, "", false, "", false, grpc_lb_v0_Duration_init_default} +#define grpc_lb_v0_ServerList_init_default {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_default} +#define grpc_lb_v0_Server_init_default {false, "", false, 0, false, {0, {0}}, false, 0} +#define grpc_lb_v0_Duration_init_zero {false, 0, false, 0} +#define grpc_lb_v0_LoadBalanceRequest_init_zero {false, grpc_lb_v0_InitialLoadBalanceRequest_init_zero, false, grpc_lb_v0_ClientStats_init_zero} +#define grpc_lb_v0_InitialLoadBalanceRequest_init_zero {false, ""} +#define grpc_lb_v0_ClientStats_init_zero {false, 0, false, 0, false, 0} +#define grpc_lb_v0_LoadBalanceResponse_init_zero {false, grpc_lb_v0_InitialLoadBalanceResponse_init_zero, false, grpc_lb_v0_ServerList_init_zero} +#define grpc_lb_v0_InitialLoadBalanceResponse_init_zero {false, "", false, "", false, grpc_lb_v0_Duration_init_zero} +#define grpc_lb_v0_ServerList_init_zero {{{NULL}, NULL}, false, grpc_lb_v0_Duration_init_zero} +#define grpc_lb_v0_Server_init_zero {false, "", false, 0, false, {0, {0}}, false, 0} + +/* Field tags (for use in manual encoding/decoding) */ +#define grpc_lb_v0_ClientStats_total_requests_tag 1 +#define grpc_lb_v0_ClientStats_client_rpc_errors_tag 2 +#define grpc_lb_v0_ClientStats_dropped_requests_tag 3 +#define grpc_lb_v0_Duration_seconds_tag 1 +#define grpc_lb_v0_Duration_nanos_tag 2 +#define grpc_lb_v0_InitialLoadBalanceRequest_name_tag 1 +#define grpc_lb_v0_Server_ip_address_tag 1 +#define grpc_lb_v0_Server_port_tag 2 +#define grpc_lb_v0_Server_load_balance_token_tag 3 +#define grpc_lb_v0_Server_drop_request_tag 4 +#define grpc_lb_v0_InitialLoadBalanceResponse_client_config_tag 1 +#define grpc_lb_v0_InitialLoadBalanceResponse_load_balancer_delegate_tag 2 +#define grpc_lb_v0_InitialLoadBalanceResponse_client_stats_report_interval_tag 3 +#define grpc_lb_v0_LoadBalanceRequest_initial_request_tag 1 +#define grpc_lb_v0_LoadBalanceRequest_client_stats_tag 2 +#define grpc_lb_v0_ServerList_servers_tag 1 +#define grpc_lb_v0_ServerList_expiration_interval_tag 3 +#define grpc_lb_v0_LoadBalanceResponse_initial_response_tag 1 +#define grpc_lb_v0_LoadBalanceResponse_server_list_tag 2 + +/* Struct field encoding specification for nanopb */ +extern const pb_field_t grpc_lb_v0_Duration_fields[3]; +extern const pb_field_t grpc_lb_v0_LoadBalanceRequest_fields[3]; +extern const pb_field_t grpc_lb_v0_InitialLoadBalanceRequest_fields[2]; +extern const pb_field_t grpc_lb_v0_ClientStats_fields[4]; +extern const pb_field_t grpc_lb_v0_LoadBalanceResponse_fields[3]; +extern const pb_field_t grpc_lb_v0_InitialLoadBalanceResponse_fields[4]; +extern const pb_field_t grpc_lb_v0_ServerList_fields[3]; +extern const pb_field_t grpc_lb_v0_Server_fields[5]; + +/* Maximum encoded size of messages (where known) */ +#define grpc_lb_v0_Duration_size 22 +#define grpc_lb_v0_LoadBalanceRequest_size 169 +#define grpc_lb_v0_InitialLoadBalanceRequest_size 131 +#define grpc_lb_v0_ClientStats_size 33 +#define grpc_lb_v0_InitialLoadBalanceResponse_size 156 +#define grpc_lb_v0_Server_size 127 + +/* Message IDs (where set with "msgid" option) */ +#ifdef PB_MSGID + +#define LOAD_BALANCER_MESSAGES \ + + +#endif + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif |