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examples/server/050_https_server.c

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+#include <stdbool.h>
+#include <http.h>
+
+// This example shows how to set up an HTTPS (HTTP over TLS)
+// server.
+
+int main(void)
+{
+    // To setup an HTTPS server, we need to use the *_ex variant
+    // of the server initialization function as it offers more
+    // control. Server objects can serve HTTP traffic, HTTPS
+    // traffic, or both at the same time. The init_ex function
+    // allows us to control this behavior.
+
+    // The first argument is the local interface address. It
+    // works just as the other examples but is shared between
+    // HTTP and HTTPS. Then come the HTTP port and HTTPS port
+    // arguments. If you want to disable HTTP or HTTPS you can
+    // pass zero to its port argument. If the HTTPS port is
+    // not zero, you need to pass the file names of the server's
+    // certificate and private key.
+    HTTP_Server *server = http_server_init_ex(
+        HTTP_STR("127.0.0.1"), // HTTP and HTTPS port
+        8080, // HTTP port
+        8443, // HTTPS port
+        HTTP_STR("cert.pem"),
+        HTTP_STR("privkey.pem")
+    );
+    if (server == NULL)
+        return -1;
+
+    // Just to be clear, to initialize a plain HTTP server
+    // using the *_ex function we would do this:
+    //
+    //   HTTP_Server *server = http_server_init_ex(
+    //     HTTP_STR("127.0.0.1"), // HTTP and HTTPS port
+    //     8080,                  // HTTP port
+    //     0,                     // HTTPS disabled
+    //     HTTP_STR(""),          // ignore
+    //     HTTP_STR("")           // ignore
+    //   );
+    //
+    // and if we wanted and HTTPS-only server we would
+    // do this:
+    //
+    //   HTTP_Server *server = http_server_init_ex(
+    //     HTTP_STR("127.0.0.1"), // HTTP and HTTPS port
+    //     0,                     // HTTP disabled
+    //     8443,                  // HTTPS port
+    //     HTTP_STR("cert.pem"),
+    //     HTTP_STR("privkey.pem")
+    //   );
+
+    // Everything else is identical to the simple HTTP server
+    // example.
+
+    for (;;) {
+
+        HTTP_Request *req;
+        HTTP_ResponseHandle res;
+
+        int ret = http_server_wait(server, &res, &res);
+        if (ret < 0) return -1;
+
+        http_response_status(res, 200);
+        http_response_header(res, "Content-Type: text/plain");
+        http_response_body(res, HTTP_STR("Hello"));
+        http_response_body(res, HTTP_STR(", world!"));
+        http_response_done(res);
+    }
+
+    http_server_free(server);
+    return 0;
+}