diff options
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/capnproto/addressbook_cpp/addressbook.capnp | 55 | ||||
| -rw-r--r-- | examples/capnproto/addressbook_cpp/addressbook.cpp | 288 | ||||
| -rw-r--r-- | examples/capnproto/addressbook_cpp/addressbook_cpp.qbs | 11 | ||||
| -rw-r--r-- | examples/capnproto/calculator_cpp/calculator-client.cpp | 367 | ||||
| -rw-r--r-- | examples/capnproto/calculator_cpp/calculator-server.cpp | 215 | ||||
| -rw-r--r-- | examples/capnproto/calculator_cpp/calculator.capnp | 118 | ||||
| -rw-r--r-- | examples/capnproto/calculator_cpp/calculator_cpp.qbs | 26 | ||||
| -rw-r--r-- | examples/examples.qbs | 1 | ||||
| -rw-r--r-- | examples/rpaths/main.cpp | 45 | ||||
| -rw-r--r-- | examples/rpaths/objecta.cpp | 48 | ||||
| -rw-r--r-- | examples/rpaths/objecta.h | 47 | ||||
| -rw-r--r-- | examples/rpaths/objectb.cpp | 41 | ||||
| -rw-r--r-- | examples/rpaths/objectb.h | 48 | ||||
| -rw-r--r-- | examples/rpaths/rpaths.qbs | 58 |
14 files changed, 1368 insertions, 0 deletions
diff --git a/examples/capnproto/addressbook_cpp/addressbook.capnp b/examples/capnproto/addressbook_cpp/addressbook.capnp new file mode 100644 index 000000000..1a6c60937 --- /dev/null +++ b/examples/capnproto/addressbook_cpp/addressbook.capnp @@ -0,0 +1,55 @@ +# Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors +# Licensed under the MIT License: +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +@0x9eb32e19f86ee174; + +using Cxx = import "/capnp/c++.capnp"; +$Cxx.namespace("addressbook"); + +struct Person { + id @0 :UInt32; + name @1 :Text; + email @2 :Text; + phones @3 :List(PhoneNumber); + + struct PhoneNumber { + number @0 :Text; + type @1 :Type; + + enum Type { + mobile @0; + home @1; + work @2; + } + } + + employment :union { + unemployed @4 :Void; + employer @5 :Text; + school @6 :Text; + selfEmployed @7 :Void; + # We assume that a person is only one of these. + } +} + +struct AddressBook { + people @0 :List(Person); +} diff --git a/examples/capnproto/addressbook_cpp/addressbook.cpp b/examples/capnproto/addressbook_cpp/addressbook.cpp new file mode 100644 index 000000000..b2bece947 --- /dev/null +++ b/examples/capnproto/addressbook_cpp/addressbook.cpp @@ -0,0 +1,288 @@ +// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors +// Licensed under the MIT License: +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +// This sample code appears in the documentation for the C++ implementation. +// +// If Cap'n Proto is installed, build the sample like: +// capnp compile -oc++ addressbook.capnp +// c++ -std=c++14 -Wall addressbook.c++ addressbook.capnp.c++ `pkg-config --cflags --libs capnp` -o addressbook +// +// If Cap'n Proto is not installed, but the source is located at $SRC and has been +// compiled in $BUILD (often both are simply ".." from here), you can do: +// $BUILD/capnp compile -I$SRC/src -o$BUILD/capnpc-c++ addressbook.capnp +// c++ -std=c++14 -Wall addressbook.c++ addressbook.capnp.c++ -I$SRC/src -L$BUILD/.libs -lcapnp -lkj -o addressbook +// +// Run like: +// ./addressbook write | ./addressbook read +// Use "dwrite" and "dread" to use dynamic code instead. + +// TODO(test): Needs cleanup. + +#include "addressbook.capnp.h" +#include <capnp/message.h> +#include <capnp/serialize-packed.h> +#include <iostream> + +using addressbook::Person; +using addressbook::AddressBook; + +void writeAddressBook(int fd) { + ::capnp::MallocMessageBuilder message; + + AddressBook::Builder addressBook = message.initRoot<AddressBook>(); + ::capnp::List<Person>::Builder people = addressBook.initPeople(2); + + Person::Builder alice = people[0]; + alice.setId(123); + alice.setName("Alice"); + alice.setEmail("alice@example.com"); + // Type shown for explanation purposes; normally you'd use auto. + ::capnp::List<Person::PhoneNumber>::Builder alicePhones = + alice.initPhones(1); + alicePhones[0].setNumber("555-1212"); + alicePhones[0].setType(Person::PhoneNumber::Type::MOBILE); + alice.getEmployment().setSchool("MIT"); + + Person::Builder bob = people[1]; + bob.setId(456); + bob.setName("Bob"); + bob.setEmail("bob@example.com"); + auto bobPhones = bob.initPhones(2); + bobPhones[0].setNumber("555-4567"); + bobPhones[0].setType(Person::PhoneNumber::Type::HOME); + bobPhones[1].setNumber("555-7654"); + bobPhones[1].setType(Person::PhoneNumber::Type::WORK); + bob.getEmployment().setUnemployed(); + + writePackedMessageToFd(fd, message); +} + +void printAddressBook(int fd) { + ::capnp::PackedFdMessageReader message(fd); + + AddressBook::Reader addressBook = message.getRoot<AddressBook>(); + + for (Person::Reader person : addressBook.getPeople()) { + std::cout << person.getName().cStr() << ": " + << person.getEmail().cStr() << std::endl; + for (Person::PhoneNumber::Reader phone: person.getPhones()) { + const char* typeName = "UNKNOWN"; + switch (phone.getType()) { + case Person::PhoneNumber::Type::MOBILE: typeName = "mobile"; break; + case Person::PhoneNumber::Type::HOME: typeName = "home"; break; + case Person::PhoneNumber::Type::WORK: typeName = "work"; break; + } + std::cout << " " << typeName << " phone: " + << phone.getNumber().cStr() << std::endl; + } + Person::Employment::Reader employment = person.getEmployment(); + switch (employment.which()) { + case Person::Employment::UNEMPLOYED: + std::cout << " unemployed" << std::endl; + break; + case Person::Employment::EMPLOYER: + std::cout << " employer: " + << employment.getEmployer().cStr() << std::endl; + break; + case Person::Employment::SCHOOL: + std::cout << " student at: " + << employment.getSchool().cStr() << std::endl; + break; + case Person::Employment::SELF_EMPLOYED: + std::cout << " self-employed" << std::endl; + break; + } + } +} + +#if !CAPNP_LITE + +#include "addressbook.capnp.h" +#include <capnp/message.h> +#include <capnp/serialize-packed.h> +#include <iostream> +#include <capnp/schema.h> +#include <capnp/dynamic.h> + +using ::capnp::DynamicValue; +using ::capnp::DynamicStruct; +using ::capnp::DynamicEnum; +using ::capnp::DynamicList; +using ::capnp::List; +using ::capnp::Schema; +using ::capnp::StructSchema; +using ::capnp::EnumSchema; + +using ::capnp::Void; +using ::capnp::Text; +using ::capnp::MallocMessageBuilder; +using ::capnp::PackedFdMessageReader; + +void dynamicWriteAddressBook(int fd, StructSchema schema) { + // Write a message using the dynamic API to set each + // field by text name. This isn't something you'd + // normally want to do; it's just for illustration. + + MallocMessageBuilder message; + + // Types shown for explanation purposes; normally you'd + // use auto. + DynamicStruct::Builder addressBook = + message.initRoot<DynamicStruct>(schema); + + DynamicList::Builder people = + addressBook.init("people", 2).as<DynamicList>(); + + DynamicStruct::Builder alice = + people[0].as<DynamicStruct>(); + alice.set("id", 123); + alice.set("name", "Alice"); + alice.set("email", "alice@example.com"); + auto alicePhones = alice.init("phones", 1).as<DynamicList>(); + auto phone0 = alicePhones[0].as<DynamicStruct>(); + phone0.set("number", "555-1212"); + phone0.set("type", "mobile"); + alice.get("employment").as<DynamicStruct>() + .set("school", "MIT"); + + auto bob = people[1].as<DynamicStruct>(); + bob.set("id", 456); + bob.set("name", "Bob"); + bob.set("email", "bob@example.com"); + + // Some magic: We can convert a dynamic sub-value back to + // the native type with as<T>()! + List<Person::PhoneNumber>::Builder bobPhones = + bob.init("phones", 2).as<List<Person::PhoneNumber>>(); + bobPhones[0].setNumber("555-4567"); + bobPhones[0].setType(Person::PhoneNumber::Type::HOME); + bobPhones[1].setNumber("555-7654"); + bobPhones[1].setType(Person::PhoneNumber::Type::WORK); + bob.get("employment").as<DynamicStruct>() + .set("unemployed", ::capnp::VOID); + + writePackedMessageToFd(fd, message); +} + +void dynamicPrintValue(DynamicValue::Reader value) { + // Print an arbitrary message via the dynamic API by + // iterating over the schema. Look at the handling + // of STRUCT in particular. + + switch (value.getType()) { + case DynamicValue::VOID: + std::cout << ""; + break; + case DynamicValue::BOOL: + std::cout << (value.as<bool>() ? "true" : "false"); + break; + case DynamicValue::INT: + std::cout << value.as<int64_t>(); + break; + case DynamicValue::UINT: + std::cout << value.as<uint64_t>(); + break; + case DynamicValue::FLOAT: + std::cout << value.as<double>(); + break; + case DynamicValue::TEXT: + std::cout << '\"' << value.as<Text>().cStr() << '\"'; + break; + case DynamicValue::LIST: { + std::cout << "["; + bool first = true; + for (auto element: value.as<DynamicList>()) { + if (first) { + first = false; + } else { + std::cout << ", "; + } + dynamicPrintValue(element); + } + std::cout << "]"; + break; + } + case DynamicValue::ENUM: { + auto enumValue = value.as<DynamicEnum>(); + KJ_IF_MAYBE(enumerant, enumValue.getEnumerant()) { + std::cout << + enumerant->getProto().getName().cStr(); + } else { + // Unknown enum value; output raw number. + std::cout << enumValue.getRaw(); + } + break; + } + case DynamicValue::STRUCT: { + std::cout << "("; + auto structValue = value.as<DynamicStruct>(); + bool first = true; + for (auto field: structValue.getSchema().getFields()) { + if (!structValue.has(field)) continue; + if (first) { + first = false; + } else { + std::cout << ", "; + } + std::cout << field.getProto().getName().cStr() + << " = "; + dynamicPrintValue(structValue.get(field)); + } + std::cout << ")"; + break; + } + default: + // There are other types, we aren't handling them. + std::cout << "?"; + break; + } +} + +void dynamicPrintMessage(int fd, StructSchema schema) { + PackedFdMessageReader message(fd); + dynamicPrintValue(message.getRoot<DynamicStruct>(schema)); + std::cout << std::endl; +} + +#endif // !CAPNP_LITE + +int main(int argc, char* argv[]) { + if (argc != 2) { + std::cerr << "Missing arg." << std::endl; + return 1; + } else if (strcmp(argv[1], "write") == 0) { + writeAddressBook(1); + } else if (strcmp(argv[1], "read") == 0) { + printAddressBook(0); +#if !CAPNP_LITE + } else if (strcmp(argv[1], "dwrite") == 0) { + StructSchema schema = Schema::from<AddressBook>(); + dynamicWriteAddressBook(1, schema); + } else if (strcmp(argv[1], "dread") == 0) { + StructSchema schema = Schema::from<AddressBook>(); + dynamicPrintMessage(0, schema); +#endif + } else { + std::cerr << "Invalid arg: " << argv[1] << std::endl; + return 1; + } + return 0; +} diff --git a/examples/capnproto/addressbook_cpp/addressbook_cpp.qbs b/examples/capnproto/addressbook_cpp/addressbook_cpp.qbs new file mode 100644 index 000000000..33f78d5a5 --- /dev/null +++ b/examples/capnproto/addressbook_cpp/addressbook_cpp.qbs @@ -0,0 +1,11 @@ +CppApplication { + Depends { name: "capnproto.cpp"; required: false } + condition: capnproto.cpp.present && qbs.targetPlatform === qbs.hostPlatform + consoleApplication: true + cpp.minimumMacosVersion: "10.8" + + files: [ + "addressbook.capnp", + "addressbook.cpp" + ] +} diff --git a/examples/capnproto/calculator_cpp/calculator-client.cpp b/examples/capnproto/calculator_cpp/calculator-client.cpp new file mode 100644 index 000000000..5d8452921 --- /dev/null +++ b/examples/capnproto/calculator_cpp/calculator-client.cpp @@ -0,0 +1,367 @@ +// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors +// Licensed under the MIT License: +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include "calculator.capnp.h" +#include <capnp/ez-rpc.h> +#include <kj/debug.h> +#include <math.h> +#include <iostream> + +class PowerFunction final: public Calculator::Function::Server { + // An implementation of the Function interface wrapping pow(). Note that + // we're implementing this on the client side and will pass a reference to + // the server. The server will then be able to make calls back to the client. + +public: + kj::Promise<void> call(CallContext context) { + auto params = context.getParams().getParams(); + KJ_REQUIRE(params.size() == 2, "Wrong number of parameters."); + context.getResults().setValue(pow(params[0], params[1])); + return kj::READY_NOW; + } +}; + +int main(int argc, const char* argv[]) { + if (argc != 2) { + std::cerr << "usage: " << argv[0] << " HOST:PORT\n" + "Connects to the Calculator server at the given address and " + "does some RPCs." << std::endl; + return 1; + } + + capnp::EzRpcClient client(argv[1]); + Calculator::Client calculator = client.getMain<Calculator>(); + + // Keep an eye on `waitScope`. Whenever you see it used is a place where we + // stop and wait for the server to respond. If a line of code does not use + // `waitScope`, then it does not block! + auto& waitScope = client.getWaitScope(); + + { + // Make a request that just evaluates the literal value 123. + // + // What's interesting here is that evaluate() returns a "Value", which is + // another interface and therefore points back to an object living on the + // server. We then have to call read() on that object to read it. + // However, even though we are making two RPC's, this block executes in + // *one* network round trip because of promise pipelining: we do not wait + // for the first call to complete before we send the second call to the + // server. + + std::cout << "Evaluating a literal... "; + std::cout.flush(); + + // Set up the request. + auto request = calculator.evaluateRequest(); + request.getExpression().setLiteral(123); + + // Send it, which returns a promise for the result (without blocking). + auto evalPromise = request.send(); + + // Using the promise, create a pipelined request to call read() on the + // returned object, and then send that. + auto readPromise = evalPromise.getValue().readRequest().send(); + + // Now that we've sent all the requests, wait for the response. Until this + // point, we haven't waited at all! + auto response = readPromise.wait(waitScope); + KJ_ASSERT(response.getValue() == 123); + + std::cout << "PASS" << std::endl; + } + + { + // Make a request to evaluate 123 + 45 - 67. + // + // The Calculator interface requires that we first call getOperator() to + // get the addition and subtraction functions, then call evaluate() to use + // them. But, once again, we can get both functions, call evaluate(), and + // then read() the result -- four RPCs -- in the time of *one* network + // round trip, because of promise pipelining. + + std::cout << "Using add and subtract... "; + std::cout.flush(); + + Calculator::Function::Client add = nullptr; + Calculator::Function::Client subtract = nullptr; + + { + // Get the "add" function from the server. + auto request = calculator.getOperatorRequest(); + request.setOp(Calculator::Operator::ADD); + add = request.send().getFunc(); + } + + { + // Get the "subtract" function from the server. + auto request = calculator.getOperatorRequest(); + request.setOp(Calculator::Operator::SUBTRACT); + subtract = request.send().getFunc(); + } + + // Build the request to evaluate 123 + 45 - 67. + auto request = calculator.evaluateRequest(); + + auto subtractCall = request.getExpression().initCall(); + subtractCall.setFunction(subtract); + auto subtractParams = subtractCall.initParams(2); + subtractParams[1].setLiteral(67); + + auto addCall = subtractParams[0].initCall(); + addCall.setFunction(add); + auto addParams = addCall.initParams(2); + addParams[0].setLiteral(123); + addParams[1].setLiteral(45); + + // Send the evaluate() request, read() the result, and wait for read() to + // finish. + auto evalPromise = request.send(); + auto readPromise = evalPromise.getValue().readRequest().send(); + + auto response = readPromise.wait(waitScope); + KJ_ASSERT(response.getValue() == 101); + + std::cout << "PASS" << std::endl; + } + + { + // Make a request to evaluate 4 * 6, then use the result in two more + // requests that add 3 and 5. + // + // Since evaluate() returns its result wrapped in a `Value`, we can pass + // that `Value` back to the server in subsequent requests before the first + // `evaluate()` has actually returned. Thus, this example again does only + // one network round trip. + + std::cout << "Pipelining eval() calls... "; + std::cout.flush(); + + Calculator::Function::Client add = nullptr; + Calculator::Function::Client multiply = nullptr; + + { + // Get the "add" function from the server. + auto request = calculator.getOperatorRequest(); + request.setOp(Calculator::Operator::ADD); + add = request.send().getFunc(); + } + + { + // Get the "multiply" function from the server. + auto request = calculator.getOperatorRequest(); + request.setOp(Calculator::Operator::MULTIPLY); + multiply = request.send().getFunc(); + } + + // Build the request to evaluate 4 * 6 + auto request = calculator.evaluateRequest(); + + auto multiplyCall = request.getExpression().initCall(); + multiplyCall.setFunction(multiply); + auto multiplyParams = multiplyCall.initParams(2); + multiplyParams[0].setLiteral(4); + multiplyParams[1].setLiteral(6); + + auto multiplyResult = request.send().getValue(); + + // Use the result in two calls that add 3 and add 5. + + auto add3Request = calculator.evaluateRequest(); + auto add3Call = add3Request.getExpression().initCall(); + add3Call.setFunction(add); + auto add3Params = add3Call.initParams(2); + add3Params[0].setPreviousResult(multiplyResult); + add3Params[1].setLiteral(3); + auto add3Promise = add3Request.send().getValue().readRequest().send(); + + auto add5Request = calculator.evaluateRequest(); + auto add5Call = add5Request.getExpression().initCall(); + add5Call.setFunction(add); + auto add5Params = add5Call.initParams(2); + add5Params[0].setPreviousResult(multiplyResult); + add5Params[1].setLiteral(5); + auto add5Promise = add5Request.send().getValue().readRequest().send(); + + // Now wait for the results. + KJ_ASSERT(add3Promise.wait(waitScope).getValue() == 27); + KJ_ASSERT(add5Promise.wait(waitScope).getValue() == 29); + + std::cout << "PASS" << std::endl; + } + + { + // Our calculator interface supports defining functions. Here we use it + // to define two functions and then make calls to them as follows: + // + // f(x, y) = x * 100 + y + // g(x) = f(x, x + 1) * 2; + // f(12, 34) + // g(21) + // + // Once again, the whole thing takes only one network round trip. + + std::cout << "Defining functions... "; + std::cout.flush(); + + Calculator::Function::Client add = nullptr; + Calculator::Function::Client multiply = nullptr; + Calculator::Function::Client f = nullptr; + Calculator::Function::Client g = nullptr; + + { + // Get the "add" function from the server. + auto request = calculator.getOperatorRequest(); + request.setOp(Calculator::Operator::ADD); + add = request.send().getFunc(); + } + + { + // Get the "multiply" function from the server. + auto request = calculator.getOperatorRequest(); + request.setOp(Calculator::Operator::MULTIPLY); + multiply = request.send().getFunc(); + } + + { + // Define f. + auto request = calculator.defFunctionRequest(); + request.setParamCount(2); + + { + // Build the function body. + auto addCall = request.getBody().initCall(); + addCall.setFunction(add); + auto addParams = addCall.initParams(2); + addParams[1].setParameter(1); // y + + auto multiplyCall = addParams[0].initCall(); + multiplyCall.setFunction(multiply); + auto multiplyParams = multiplyCall.initParams(2); + multiplyParams[0].setParameter(0); // x + multiplyParams[1].setLiteral(100); + } + + f = request.send().getFunc(); + } + + { + // Define g. + auto request = calculator.defFunctionRequest(); + request.setParamCount(1); + + { + // Build the function body. + auto multiplyCall = request.getBody().initCall(); + multiplyCall.setFunction(multiply); + auto multiplyParams = multiplyCall.initParams(2); + multiplyParams[1].setLiteral(2); + + auto fCall = multiplyParams[0].initCall(); + fCall.setFunction(f); + auto fParams = fCall.initParams(2); + fParams[0].setParameter(0); + + auto addCall = fParams[1].initCall(); + addCall.setFunction(add); + auto addParams = addCall.initParams(2); + addParams[0].setParameter(0); + addParams[1].setLiteral(1); + } + + g = request.send().getFunc(); + } + + // OK, we've defined all our functions. Now create our eval requests. + + // f(12, 34) + auto fEvalRequest = calculator.evaluateRequest(); + auto fCall = fEvalRequest.initExpression().initCall(); + fCall.setFunction(f); + auto fParams = fCall.initParams(2); + fParams[0].setLiteral(12); + fParams[1].setLiteral(34); + auto fEvalPromise = fEvalRequest.send().getValue().readRequest().send(); + + // g(21) + auto gEvalRequest = calculator.evaluateRequest(); + auto gCall = gEvalRequest.initExpression().initCall(); + gCall.setFunction(g); + gCall.initParams(1)[0].setLiteral(21); + auto gEvalPromise = gEvalRequest.send().getValue().readRequest().send(); + + // Wait for the results. + KJ_ASSERT(fEvalPromise.wait(waitScope).getValue() == 1234); + KJ_ASSERT(gEvalPromise.wait(waitScope).getValue() == 4244); + + std::cout << "PASS" << std::endl; + } + + { + // Make a request that will call back to a function defined locally. + // + // Specifically, we will compute 2^(4 + 5). However, exponent is not + // defined by the Calculator server. So, we'll implement the Function + // interface locally and pass it to the server for it to use when + // evaluating the expression. + // + // This example requires two network round trips to complete, because the + // server calls back to the client once before finishing. In this + // particular case, this could potentially be optimized by using a tail + // call on the server side -- see CallContext::tailCall(). However, to + // keep the example simpler, we haven't implemented this optimization in + // the sample server. + + std::cout << "Using a callback... "; + std::cout.flush(); + + Calculator::Function::Client add = nullptr; + + { + // Get the "add" function from the server. + auto request = calculator.getOperatorRequest(); + request.setOp(Calculator::Operator::ADD); + add = request.send().getFunc(); + } + + // Build the eval request for 2^(4+5). + auto request = calculator.evaluateRequest(); + + auto powCall = request.getExpression().initCall(); + powCall.setFunction(kj::heap<PowerFunction>()); + auto powParams = powCall.initParams(2); + powParams[0].setLiteral(2); + + auto addCall = powParams[1].initCall(); + addCall.setFunction(add); + auto addParams = addCall.initParams(2); + addParams[0].setLiteral(4); + addParams[1].setLiteral(5); + + // Send the request and wait. + auto response = request.send().getValue().readRequest() + .send().wait(waitScope); + KJ_ASSERT(response.getValue() == 512); + + std::cout << "PASS" << std::endl; + } + + return 0; +} diff --git a/examples/capnproto/calculator_cpp/calculator-server.cpp b/examples/capnproto/calculator_cpp/calculator-server.cpp new file mode 100644 index 000000000..c2593be3a --- /dev/null +++ b/examples/capnproto/calculator_cpp/calculator-server.cpp @@ -0,0 +1,215 @@ +// Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors +// Licensed under the MIT License: +// +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: +// +// The above copyright notice and this permission notice shall be included in +// all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +// THE SOFTWARE. + +#include "calculator.capnp.h" +#include <kj/debug.h> +#include <capnp/ez-rpc.h> +#include <capnp/message.h> +#include <iostream> + +typedef unsigned int uint; + +kj::Promise<double> readValue(Calculator::Value::Client value) { + // Helper function to asynchronously call read() on a Calculator::Value and + // return a promise for the result. (In the future, the generated code might + // include something like this automatically.) + + return value.readRequest().send() + .then([](capnp::Response<Calculator::Value::ReadResults> result) { + return result.getValue(); + }); +} + +kj::Promise<double> evaluateImpl( + Calculator::Expression::Reader expression, + capnp::List<double>::Reader params = capnp::List<double>::Reader()) { + // Implementation of CalculatorImpl::evaluate(), also shared by + // FunctionImpl::call(). In the latter case, `params` are the parameter + // values passed to the function; in the former case, `params` is just an + // empty list. + + switch (expression.which()) { + case Calculator::Expression::LITERAL: + return expression.getLiteral(); + + case Calculator::Expression::PREVIOUS_RESULT: + return readValue(expression.getPreviousResult()); + + case Calculator::Expression::PARAMETER: { + KJ_REQUIRE(expression.getParameter() < params.size(), + "Parameter index out-of-range."); + return params[expression.getParameter()]; + } + + case Calculator::Expression::CALL: { + auto call = expression.getCall(); + auto func = call.getFunction(); + + // Evaluate each parameter. + kj::Array<kj::Promise<double>> paramPromises = + KJ_MAP(param, call.getParams()) { + return evaluateImpl(param, params); + }; + + // Join the array of promises into a promise for an array. + kj::Promise<kj::Array<double>> joinedParams = + kj::joinPromises(kj::mv(paramPromises)); + + // When the parameters are complete, call the function. + return joinedParams.then([KJ_CPCAP(func)](kj::Array<double>&& paramValues) mutable { + auto request = func.callRequest(); + request.setParams(paramValues); + return request.send().then( + [](capnp::Response<Calculator::Function::CallResults>&& result) { + return result.getValue(); + }); + }); + } + + default: + // Throw an exception. + KJ_FAIL_REQUIRE("Unknown expression type."); + } +} + +class ValueImpl final: public Calculator::Value::Server { + // Simple implementation of the Calculator.Value Cap'n Proto interface. + +public: + ValueImpl(double value): value(value) {} + + kj::Promise<void> read(ReadContext context) { + context.getResults().setValue(value); + return kj::READY_NOW; + } + +private: + double value; +}; + +class FunctionImpl final: public Calculator::Function::Server { + // Implementation of the Calculator.Function Cap'n Proto interface, where the + // function is defined by a Calculator.Expression. + +public: + FunctionImpl(uint paramCount, Calculator::Expression::Reader body) + : paramCount(paramCount) { + this->body.setRoot(body); + } + + kj::Promise<void> call(CallContext context) { + auto params = context.getParams().getParams(); + KJ_REQUIRE(params.size() == paramCount, "Wrong number of parameters."); + + return evaluateImpl(body.getRoot<Calculator::Expression>(), params) + .then([KJ_CPCAP(context)](double value) mutable { + context.getResults().setValue(value); + }); + } + +private: + uint paramCount; + // The function's arity. + + capnp::MallocMessageBuilder body; + // Stores a permanent copy of the function body. +}; + +class OperatorImpl final: public Calculator::Function::Server { + // Implementation of the Calculator.Function Cap'n Proto interface, wrapping + // basic binary arithmetic operators. + +public: + OperatorImpl(Calculator::Operator op): op(op) {} + + kj::Promise<void> call(CallContext context) { + auto params = context.getParams().getParams(); + KJ_REQUIRE(params.size() == 2, "Wrong number of parameters."); + + double result; + switch (op) { + case Calculator::Operator::ADD: result = params[0] + params[1]; break; + case Calculator::Operator::SUBTRACT:result = params[0] - params[1]; break; + case Calculator::Operator::MULTIPLY:result = params[0] * params[1]; break; + case Calculator::Operator::DIVIDE: result = params[0] / params[1]; break; + default: + KJ_FAIL_REQUIRE("Unknown operator."); + } + + context.getResults().setValue(result); + return kj::READY_NOW; + } + +private: + Calculator::Operator op; +}; + +class CalculatorImpl final: public Calculator::Server { + // Implementation of the Calculator Cap'n Proto interface. + +public: + kj::Promise<void> evaluate(EvaluateContext context) override { + return evaluateImpl(context.getParams().getExpression()) + .then([KJ_CPCAP(context)](double value) mutable { + context.getResults().setValue(kj::heap<ValueImpl>(value)); + }); + } + + kj::Promise<void> defFunction(DefFunctionContext context) override { + auto params = context.getParams(); + context.getResults().setFunc(kj::heap<FunctionImpl>( + params.getParamCount(), params.getBody())); + return kj::READY_NOW; + } + + kj::Promise<void> getOperator(GetOperatorContext context) override { + context.getResults().setFunc(kj::heap<OperatorImpl>( + context.getParams().getOp())); + return kj::READY_NOW; + } +}; + +int main(int argc, const char* argv[]) { + if (argc != 2) { + std::cerr << "usage: " << argv[0] << " ADDRESS[:PORT]\n" + "Runs the server bound to the given address/port.\n" + "ADDRESS may be '*' to bind to all local addresses.\n" + ":PORT may be omitted to choose a port automatically." << std::endl; + return 1; + } + + // Set up a server. + capnp::EzRpcServer server(kj::heap<CalculatorImpl>(), argv[1]); + + // Write the port number to stdout, in case it was chosen automatically. + auto& waitScope = server.getWaitScope(); + uint port = server.getPort().wait(waitScope); + if (port == 0) { + // The address format "unix:/path/to/socket" opens a unix domain socket, + // in which case the port will be zero. + std::cout << "Listening on Unix socket..." << std::endl; + } else { + std::cout << "Listening on port " << port << "..." << std::endl; + } + + // Run forever, accepting connections and handling requests. + kj::NEVER_DONE.wait(waitScope); +} diff --git a/examples/capnproto/calculator_cpp/calculator.capnp b/examples/capnproto/calculator_cpp/calculator.capnp new file mode 100644 index 000000000..adc8294e5 --- /dev/null +++ b/examples/capnproto/calculator_cpp/calculator.capnp @@ -0,0 +1,118 @@ +# Copyright (c) 2013-2014 Sandstorm Development Group, Inc. and contributors +# Licensed under the MIT License: +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +# THE SOFTWARE. + +@0x85150b117366d14b; + +interface Calculator { + # A "simple" mathematical calculator, callable via RPC. + # + # But, to show off Cap'n Proto, we add some twists: + # + # - You can use the result from one call as the input to the next + # without a network round trip. To accomplish this, evaluate() + # returns a `Value` object wrapping the actual numeric value. + # This object may be used in a subsequent expression. With + # promise pipelining, the Value can actually be used before + # the evaluate() call that creates it returns! + # + # - You can define new functions, and then call them. This again + # shows off pipelining, but it also gives the client the + # opportunity to define a function on the client side and have + # the server call back to it. + # + # - The basic arithmetic operators are exposed as Functions, and + # you have to call getOperator() to obtain them from the server. + # This again demonstrates pipelining -- using getOperator() to + # get each operator and then using them in evaluate() still + # only takes one network round trip. + + evaluate @0 (expression :Expression) -> (value :Value); + # Evaluate the given expression and return the result. The + # result is returned wrapped in a Value interface so that you + # may pass it back to the server in a pipelined request. To + # actually get the numeric value, you must call read() on the + # Value -- but again, this can be pipelined so that it incurs + # no additional latency. + + struct Expression { + # A numeric expression. + + union { + literal @0 :Float64; + # A literal numeric value. + + previousResult @1 :Value; + # A value that was (or, will be) returned by a previous + # evaluate(). + + parameter @2 :UInt32; + # A parameter to the function (only valid in function bodies; + # see defFunction). + + call :group { + # Call a function on a list of parameters. + function @3 :Function; + params @4 :List(Expression); + } + } + } + + interface Value { + # Wraps a numeric value in an RPC object. This allows the value + # to be used in subsequent evaluate() requests without the client + # waiting for the evaluate() that returns the Value to finish. + + read @0 () -> (value :Float64); + # Read back the raw numeric value. + } + + defFunction @1 (paramCount :Int32, body :Expression) + -> (func :Function); + # Define a function that takes `paramCount` parameters and returns the + # evaluation of `body` after substituting these parameters. + + interface Function { + # An algebraic function. Can be called directly, or can be used inside + # an Expression. + # + # A client can create a Function that runs on the server side using + # `defFunction()` or `getOperator()`. Alternatively, a client can + # implement a Function on the client side and the server will call back + # to it. However, a function defined on the client side will require a + # network round trip whenever the server needs to call it, whereas + # functions defined on the server and then passed back to it are called + # locally. + + call @0 (params :List(Float64)) -> (value :Float64); + # Call the function on the given parameters. + } + + getOperator @2 (op :Operator) -> (func :Function); + # Get a Function representing an arithmetic operator, which can then be + # used in Expressions. + + enum Operator { + add @0; + subtract @1; + multiply @2; + divide @3; + } +} diff --git a/examples/capnproto/calculator_cpp/calculator_cpp.qbs b/examples/capnproto/calculator_cpp/calculator_cpp.qbs new file mode 100644 index 000000000..862a237c6 --- /dev/null +++ b/examples/capnproto/calculator_cpp/calculator_cpp.qbs @@ -0,0 +1,26 @@ +Project { + CppApplication { + Depends { name: "capnproto.cpp"; required: false } + name: "server" + condition: capnproto.cpp.present && qbs.targetPlatform === qbs.hostPlatform + consoleApplication: true + capnproto.cpp.useRpc: true + + files: [ + "calculator.capnp", + "calculator-server.cpp" + ] + } + CppApplication { + Depends { name: "capnproto.cpp"; required: false } + name: "client" + condition: capnproto.cpp.present && qbs.targetPlatform === qbs.hostPlatform + consoleApplication: true + capnproto.cpp.useRpc: true + + files: [ + "calculator.capnp", + "calculator-client.cpp" + ] + } +} diff --git a/examples/examples.qbs b/examples/examples.qbs index 2b1c0933b..18205d67a 100644 --- a/examples/examples.qbs +++ b/examples/examples.qbs @@ -68,5 +68,6 @@ Project { // "protobuf/addressbook_objc/addressbook_objc.qbs", "baremetal/baremetal.qbs", "rule/rule.qbs", + "rpaths/rpaths.qbs", ] } diff --git a/examples/rpaths/main.cpp b/examples/rpaths/main.cpp new file mode 100644 index 000000000..aaaebfbf6 --- /dev/null +++ b/examples/rpaths/main.cpp @@ -0,0 +1,45 @@ +/**************************************************************************** +** +** Copyright (C) 2020 Ivan Komissarov (abbapoh@gmail.com) +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qbs. +** +** $QT_BEGIN_LICENSE:FDL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "objecta.h" +#include "objectb.h" + +#include <iostream> + +int main(int argc, char *argv[]) +{ + (void)argc; + (void)argv; + + std::cout << ObjectA::className() << std::endl; + std::cout << ObjectB::className() << std::endl; + + ObjectB b; + std::cout << b.getA().name() << std::endl; + + return 0; +} diff --git a/examples/rpaths/objecta.cpp b/examples/rpaths/objecta.cpp new file mode 100644 index 000000000..bf6266653 --- /dev/null +++ b/examples/rpaths/objecta.cpp @@ -0,0 +1,48 @@ +/**************************************************************************** +** +** Copyright (C) 2020 Ivan Komissarov (abbapoh@gmail.com) +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qbs. +** +** $QT_BEGIN_LICENSE:FDL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "objecta.h" + +ObjectA::ObjectA(std::string name) : + m_name(std::move(name)) +{ +} + +std::string ObjectA::className() +{ + return "ObjectA"; +} + +const std::string &ObjectA::name() const +{ + return m_name; +} + +void ObjectA::setName(std::string name) +{ + m_name = std::move(name); +} diff --git a/examples/rpaths/objecta.h b/examples/rpaths/objecta.h new file mode 100644 index 000000000..69b78fbc2 --- /dev/null +++ b/examples/rpaths/objecta.h @@ -0,0 +1,47 @@ +/**************************************************************************** +** +** Copyright (C) 2020 Ivan Komissarov (abbapoh@gmail.com) +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qbs. +** +** $QT_BEGIN_LICENSE:FDL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef OBJECTA_H +#define OBJECTA_H + +#include <string> + +class ObjectA +{ +public: + explicit ObjectA(std::string name); + + static std::string className(); + + const std::string &name() const; + void setName(std::string name); + +private: + std::string m_name; +}; + +#endif // OBJECTA_H diff --git a/examples/rpaths/objectb.cpp b/examples/rpaths/objectb.cpp new file mode 100644 index 000000000..758fe09cf --- /dev/null +++ b/examples/rpaths/objectb.cpp @@ -0,0 +1,41 @@ +/**************************************************************************** +** +** Copyright (C) 2020 Ivan Komissarov (abbapoh@gmail.com) +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qbs. +** +** $QT_BEGIN_LICENSE:FDL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "objectb.h" + +ObjectB::ObjectB() = default; + +std::string ObjectB::className() +{ + return "ObjectB"; +} + +const ObjectA &ObjectB::getA() const +{ + return objectA; +} + diff --git a/examples/rpaths/objectb.h b/examples/rpaths/objectb.h new file mode 100644 index 000000000..5a63de5eb --- /dev/null +++ b/examples/rpaths/objectb.h @@ -0,0 +1,48 @@ +/**************************************************************************** +** +** Copyright (C) 2020 Ivan Komissarov (abbapoh@gmail.com) +** Contact: https://www.qt.io/licensing/ +** +** This file is part of Qbs. +** +** $QT_BEGIN_LICENSE:FDL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Free Documentation License Usage +** Alternatively, this file may be used under the terms of the GNU Free +** Documentation License version 1.3 as published by the Free Software +** Foundation and appearing in the file included in the packaging of +** this file. Please review the following information to ensure +** the GNU Free Documentation License version 1.3 requirements +** will be met: https://www.gnu.org/licenses/fdl-1.3.html. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef OBJECTB_H +#define OBJECTB_H + +#include <string> + +#include "objecta.h" + +class ObjectB +{ +public: + ObjectB(); + + static std::string className(); + + const ObjectA &getA() const; + +private: + ObjectA objectA{"A"}; +}; + +#endif // OBJECTB_H diff --git a/examples/rpaths/rpaths.qbs b/examples/rpaths/rpaths.qbs new file mode 100644 index 000000000..1e5411468 --- /dev/null +++ b/examples/rpaths/rpaths.qbs @@ -0,0 +1,58 @@ +import qbs.FileInfo + +Project { + condition: qbs.targetOS.contains("unix") + + //! [0] + DynamicLibrary { + Depends { name: "cpp" } + Depends { name: "bundle" } + name: "LibraryA" + bundle.isBundle: false + cpp.sonamePrefix: qbs.targetOS.contains("macos") ? "@rpath" : undefined + cpp.rpaths: cpp.rpathOrigin + cpp.cxxLanguageVersion: "c++11" + files: [ + "objecta.cpp", + "objecta.h", + ] + install: true + installDir: "examples/lib" + } + //! [0] + + //! [1] + DynamicLibrary { + Depends { name: "cpp" } + Depends { name: "bundle" } + Depends { name: "LibraryA" } + name: "LibraryB" + bundle.isBundle: false + cpp.cxxLanguageVersion: "c++11" + cpp.sonamePrefix: qbs.targetOS.contains("macos") ? "@rpath" : undefined + cpp.rpaths: cpp.rpathOrigin + files: [ + "objectb.cpp", + "objectb.h", + ] + install: true + installDir: "examples/lib" + } + //! [1] + + //! [2] + CppApplication { + Depends { name: "bundle" } + Depends { name: "LibraryA" } + Depends { name: "LibraryB" } + name: "rpaths-app" + files: "main.cpp" + consoleApplication: true + bundle.isBundle: false + cpp.rpaths: FileInfo.joinPaths(cpp.rpathOrigin, "..", "lib") + cpp.cxxLanguageVersion: "c++11" + install: true + installDir: "examples/bin" + } + //! [2] +} |