Allow all apis under a single endpoint to be hosted in one server (#1230)

samples/server/petstore/cpp-pistache/main-api-server.cpp

@@ -0,0 +1,90 @@
+/**
+* OpenAPI Petstore
+* This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
+*
+* OpenAPI spec version: 1.0.0
+* 
+*
+* NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
+* https://openapi-generator.tech
+* Do not edit the class manually.
+*/
+
+
+#include "pistache/endpoint.h"
+#include "pistache/http.h"
+#include "pistache/router.h"
+#ifdef __linux__
+#include <vector>
+#include <signal.h>
+#include <unistd.h>
+#endif
+
+#include "PetApiImpl.h"
+#include "StoreApiImpl.h"
+#include "UserApiImpl.h"
+
+#define PISTACHE_SERVER_THREADS 2
+
+static Pistache::Http::Endpoint *httpEndpoint;
+#ifdef __linux__
+static void sigHandler(int sig){
+    switch(sig){
+        case SIGINT:
+        case SIGQUIT:
+        case SIGTERM:
+        case SIGHUP:
+        default:
+            httpEndpoint->shutdown();
+            break;
+    }
+    exit(0);
+}
+
+static void setUpUnixSignals(std::vector<int> quitSignals) {
+    sigset_t blocking_mask;
+    sigemptyset(&blocking_mask);
+    for (auto sig : quitSignals)
+        sigaddset(&blocking_mask, sig);
+
+    struct sigaction sa;
+    sa.sa_handler = sigHandler;
+    sa.sa_mask    = blocking_mask;
+    sa.sa_flags   = 0;
+
+    for (auto sig : quitSignals)
+        sigaction(sig, &sa, nullptr);
+}
+#endif
+
+using namespace org::openapitools::server::api;
+
+int main() {
+#ifdef __linux__
+    std::vector<int> sigs{SIGQUIT, SIGINT, SIGTERM, SIGHUP};
+    setUpUnixSignals(sigs);
+#endif
+    Pistache::Address addr(Pistache::Ipv4::any(), Pistache::Port(8080));
+
+    httpEndpoint = new Pistache::Http::Endpoint((addr));
+    auto router = std::make_shared<Pistache::Rest::Router>();
+
+    auto opts = Pistache::Http::Endpoint::options()
+        .threads(PISTACHE_SERVER_THREADS);
+    httpEndpoint->init(opts);
+
+    
+    PetApiImpl PetApiserver(router);
+    PetApiserver.init();
+    StoreApiImpl StoreApiserver(router);
+    StoreApiserver.init();
+    UserApiImpl UserApiserver(router);
+    UserApiserver.init();
+
+    httpEndpoint->setHandler(router->handler());
+    httpEndpoint->serve();
+
+    httpEndpoint->shutdown();
+
+}
+