revisit cp-sat service

ortools/sat/cp_model.proto

@@ -748,6 +748,7 @@ message CpSolverResponse {
   // Additional information about how the solution was found.
   string solution_info = 20;
 
-  // Optional logs of the solver.
+  // Optional logs of the solver. They will be filled only if the parameter
+  // 'fill_logs_in_response' is set.
   string logs = 26;
 }

ortools/sat/cp_model_service.proto

@@ -15,7 +15,6 @@ syntax = "proto3";
 
 package operations_research.sat.v1;
 
-import "google/api/annotations.proto";
 import "google/protobuf/duration.proto";
 import "ortools/sat/cp_model.proto";
 
@@ -28,10 +27,7 @@ option java_outer_classname = "CpModelServiceProto";
 // a solution of the problem.
 service CpSolver {
   // Single solve, sends a model, gets a response.
-  rpc SolveProblem(CpSolveRequest) returns (CpSolverResponse) {
-    option (google.api.http) = {
-      get: "/v1/{model=input problem/*/responses/*}"
-    };
+  rpc SolveProblem(CpSolverRequest) returns (CpSolverResponse) {
   }
 }
 
@@ -40,10 +36,6 @@ message CpSolverRequest {
   // The model to solve.
   CpModelProto model = 1;
 
-  // The max time the solver will spend while trying to find the optimal
-  // solution.
-  google.protobuf.Duration time_limit = 2;
-
   // Extra solver parameters passed as a string.
-  string parameters_as_string = 3;
+  string parameters_as_string = 2;
 }