class GRPC::Core::Server
Private Class Methods
server = Server.new({'arg1': 'value1'})
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Initializes server instances.
static VALUE grpc_rb_server_init(VALUE self, VALUE channel_args) { grpc_completion_queue* cq = NULL; grpc_rb_server* wrapper = NULL; grpc_server* srv = NULL; grpc_channel_args args; MEMZERO(&args, grpc_channel_args, 1); cq = grpc_completion_queue_create_for_pluck(NULL); TypedData_Get_Struct(self, grpc_rb_server, &grpc_rb_server_data_type, wrapper); grpc_rb_hash_convert_to_channel_args(channel_args, &args); srv = grpc_server_create(&args, NULL); if (args.args != NULL) { xfree(args.args); /* Allocated by grpc_rb_hash_convert_to_channel_args */ } if (srv == NULL) { rb_raise(rb_eRuntimeError, "could not create a gRPC server, not sure why"); } grpc_server_register_completion_queue(srv, cq, NULL); wrapper->wrapped = srv; wrapper->queue = cq; return self; }
Private Instance Methods
// insecure port
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insecure_server = Server.new(cq, {'arg1': 'value1'})
add_http2_port('mydomain:50051', :this_port_is_insecure)
// secure port server_creds = … secure_server = Server.new
(cq, {'arg1': 'value1'}) secure_server.add_http_port('mydomain:50051', server_creds)
Adds a http2 port to server
static VALUE grpc_rb_server_add_http2_port(VALUE self, VALUE port, VALUE rb_creds) { grpc_rb_server* s = NULL; grpc_server_credentials* creds = NULL; int recvd_port = 0; TypedData_Get_Struct(self, grpc_rb_server, &grpc_rb_server_data_type, s); if (s->wrapped == NULL) { rb_raise(rb_eRuntimeError, "destroyed!"); return Qnil; } else if (TYPE(rb_creds) == T_SYMBOL) { if (id_insecure_server != SYM2ID(rb_creds)) { rb_raise(rb_eTypeError, "bad creds symbol, want :this_port_is_insecure"); return Qnil; } grpc_server_credentials* insecure_creds = grpc_insecure_server_credentials_create(); recvd_port = grpc_server_add_http2_port(s->wrapped, StringValueCStr(port), insecure_creds); grpc_server_credentials_release(insecure_creds); if (recvd_port == 0) { rb_raise(rb_eRuntimeError, "could not add port %s to server, not sure why", StringValueCStr(port)); } } else { // TODO: create a common parent class for all server-side credentials, // then we can have a single method to retrieve the underlying // grpc_server_credentials object, and avoid the need for this reflection if (grpc_rb_is_server_credentials(rb_creds)) { creds = grpc_rb_get_wrapped_server_credentials(rb_creds); } else if (grpc_rb_is_xds_server_credentials(rb_creds)) { creds = grpc_rb_get_wrapped_xds_server_credentials(rb_creds); } else { rb_raise(rb_eTypeError, "failed to create server because credentials parameter has an " "invalid type, want ServerCredentials or XdsServerCredentials"); } recvd_port = grpc_server_add_http2_port(s->wrapped, StringValueCStr(port), creds); if (recvd_port == 0) { rb_raise(rb_eRuntimeError, "could not add secure port %s to server, not sure why", StringValueCStr(port)); } } return INT2NUM(recvd_port); }
server = Server.new({'arg1': 'value1'})
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... // do stuff with server
...
... // initiate server shutdown
shutdown_and_notify(timeout)
... // to shutdown the server
destroy()
Destroys server instances.
static VALUE grpc_rb_server_destroy(VALUE self) { grpc_rb_server* s = NULL; TypedData_Get_Struct(self, grpc_rb_server, &grpc_rb_server_data_type, s); grpc_rb_server_maybe_destroy(s); return Qnil; }
Also aliased as: close
request_call
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Requests notification of a new call on a server.
static VALUE grpc_rb_server_request_call(VALUE self) { grpc_rb_server* s = NULL; grpc_call* call = NULL; grpc_event ev; grpc_call_error err; request_call_stack st; VALUE result; void* tag = (void*)&st; grpc_completion_queue* call_queue = grpc_completion_queue_create_for_pluck(NULL); gpr_timespec deadline; TypedData_Get_Struct(self, grpc_rb_server, &grpc_rb_server_data_type, s); if (s->wrapped == NULL) { rb_raise(rb_eRuntimeError, "destroyed!"); return Qnil; } grpc_request_call_stack_init(&st); /* call grpc_server_request_call, then wait for it to complete using * pluck_event */ err = grpc_server_request_call(s->wrapped, &call, &st.details, &st.md_ary, call_queue, s->queue, tag); if (err != GRPC_CALL_OK) { grpc_request_call_stack_cleanup(&st); rb_raise(grpc_rb_eCallError, "grpc_server_request_call failed: %s (code=%d)", grpc_call_error_detail_of(err), err); return Qnil; } ev = rb_completion_queue_pluck(s->queue, tag, gpr_inf_future(GPR_CLOCK_REALTIME), NULL); if (!ev.success) { grpc_request_call_stack_cleanup(&st); rb_raise(grpc_rb_eCallError, "request_call completion failed"); return Qnil; } /* build the NewServerRpc struct result */ deadline = gpr_convert_clock_type(st.details.deadline, GPR_CLOCK_REALTIME); result = rb_struct_new( grpc_rb_sNewServerRpc, grpc_rb_slice_to_ruby_string(st.details.method), grpc_rb_slice_to_ruby_string(st.details.host), rb_funcall(rb_cTime, id_at, 2, INT2NUM(deadline.tv_sec), INT2NUM(deadline.tv_nsec / 1000)), grpc_rb_md_ary_to_h(&st.md_ary), grpc_rb_wrap_call(call, call_queue), NULL); grpc_request_call_stack_cleanup(&st); return result; }
shutdown_and_notify(p1)
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static VALUE grpc_rb_server_shutdown_and_notify(VALUE self, VALUE timeout) { gpr_timespec deadline; grpc_rb_server* s = NULL; TypedData_Get_Struct(self, grpc_rb_server, &grpc_rb_server_data_type, s); if (TYPE(timeout) == T_NIL) { deadline = gpr_inf_future(GPR_CLOCK_REALTIME); } else { deadline = grpc_rb_time_timeval(timeout, /* absolute time*/ 0); } grpc_rb_server_maybe_shutdown_and_notify(s, deadline); return Qnil; }
start()
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static VALUE grpc_rb_server_start(VALUE self) { grpc_rb_server* s = NULL; TypedData_Get_Struct(self, grpc_rb_server, &grpc_rb_server_data_type, s); grpc_ruby_fork_guard(); if (s->wrapped == NULL) { rb_raise(rb_eRuntimeError, "destroyed!"); } else { grpc_server_start(s->wrapped); } return Qnil; }