1 files changed, 143 insertions, 0 deletions
diff --git a/examples/qpack.cc b/examples/qpack.cc
new file mode 100644
index 0000000..1353ad9
--- /dev/null
+++ b/examples/qpack.cc
@@ -0,0 +1,143 @@
+/*
+ * nghttp3
+ *
+ * Copyright (c) 2019 nghttp3 contributors
+ *
+ * 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 "qpack.h"
+
+#include <cstring>
+#include <iostream>
+#include <string>
+
+#include <getopt.h>
+
+#include "qpack_encode.h"
+#include "qpack_decode.h"
+
+namespace nghttp3 {
+
+Config config{};
+
+namespace {
+void print_usage() {
+  std::cerr << "Usage: qpack [OPTIONS] <COMMAND> <INFILE> <OUTFILE>"
+            << std::endl;
+}
+} // namespace
+
+namespace {
+void print_help() {
+  print_usage();
+
+  std::cerr << R"(
+  <COMMAND>   "encode" or "decode"
+  <INFILE>    Path to an input file
+  <OUTFILE>   Path to an output file
+Options:
+  -h, --help  Display this help and exit.
+  -m, --max-blocked=<N>
+              The maximum number of streams which are permitted to be blocked.
+  -s, --max-dtable-size=<N>
+              The maximum size of dynamic table.
+  -a, --immediate-ack
+              Turn on immediate acknowlegement.
+)";
+}
+} // namespace
+
+int main(int argc, char **argv) {
+  for (;;) {
+    static int flag = 0;
+    (void)flag;
+    constexpr static option long_opts[] = {
+        {"help", no_argument, nullptr, 'h'},
+        {"max-blocked", required_argument, nullptr, 'm'},
+        {"max-dtable-size", required_argument, nullptr, 's'},
+        {"immediate-ack", no_argument, nullptr, 'a'},
+        {nullptr, 0, nullptr, 0},
+    };
+
+    auto optidx = 0;
+    auto c = getopt_long(argc, argv, "hm:s:a", long_opts, &optidx);
+    if (c == -1) {
+      break;
+    }
+    switch (c) {
+    case 'h':
+      // --help
+      print_help();
+      exit(EXIT_SUCCESS);
+    case 'm': {
+      // --max-blocked
+      config.max_blocked = strtoul(optarg, nullptr, 10);
+      break;
+    }
+    case 's': {
+      // --max-dtable-size
+      config.max_dtable_size = strtoul(optarg, nullptr, 10);
+      break;
+    }
+    case 'a':
+      // --immediate-ack
+      config.immediate_ack = true;
+      break;
+    case '?':
+      print_usage();
+      exit(EXIT_FAILURE);
+    case 0:
+      break;
+    default:
+      break;
+    };
+  }
+
+  if (argc - optind < 3) {
+    std::cerr << "Too few arguments" << std::endl;
+    print_usage();
+    exit(EXIT_FAILURE);
+  }
+
+  auto command = std::string_view(argv[optind++]);
+  auto infile = std::string_view(argv[optind++]);
+  auto outfile = std::string_view(argv[optind++]);
+
+  int rv;
+  if (command == "encode") {
+    rv = encode(outfile, infile);
+  } else if (command == "decode") {
+    rv = decode(outfile, infile);
+  } else {
+    std::cerr << "Unrecognized command: " << command << std::endl;
+    print_usage();
+    exit(EXIT_FAILURE);
+  }
+
+  if (rv != 0) {
+    exit(EXIT_FAILURE);
+  }
+
+  return 0;
+}
+
+} // namespace nghttp3
+
+int main(int argc, char **argv) { return nghttp3::main(argc, argv); }