Milestone 2

examples/warppipe_cli.cpp

@@ -0,0 +1,95 @@
+#include <cstdint>
+#include <cstdlib>
+#include <iostream>
+#include <string>
+
+#include <warppipe/warppipe.hpp>
+
+namespace {
+
+uint32_t ParseId(const char* value) {
+  if (!value) {
+    return 0;
+  }
+  char* end = nullptr;
+  unsigned long parsed = std::strtoul(value, &end, 10);
+  if (!end || end == value) {
+    return 0;
+  }
+  return static_cast<uint32_t>(parsed);
+}
+
+int Usage() {
+  std::cerr << "Usage:\n"
+            << "  warppipe_cli list-nodes\n"
+            << "  warppipe_cli list-ports <node-id>\n"
+            << "  warppipe_cli list-links\n";
+  return 2;
+}
+
+}  // namespace
+
+int main(int argc, char* argv[]) {
+  if (argc < 2) {
+    return Usage();
+  }
+
+  std::string command = argv[1];
+  warppipe::ConnectionOptions options;
+  options.application_name = "warppipe-cli";
+
+  auto client_result = warppipe::Client::Create(options);
+  if (!client_result.ok()) {
+    std::cerr << "warppipe: failed to connect: "
+              << client_result.status.message << "\n";
+    return 1;
+  }
+
+  if (command == "list-nodes") {
+    auto nodes = client_result.value->ListNodes();
+    if (!nodes.ok()) {
+      std::cerr << "warppipe: list-nodes failed: " << nodes.status.message << "\n";
+      return 1;
+    }
+    for (const auto& node : nodes.value) {
+      std::cout << node.id.value << "\t" << node.name << "\t" << node.media_class << "\n";
+    }
+    return 0;
+  }
+
+  if (command == "list-ports") {
+    if (argc < 3) {
+      return Usage();
+    }
+    uint32_t node_id = ParseId(argv[2]);
+    if (node_id == 0) {
+      std::cerr << "warppipe: invalid node id\n";
+      return 1;
+    }
+    auto ports = client_result.value->ListPorts(warppipe::NodeId{node_id});
+    if (!ports.ok()) {
+      std::cerr << "warppipe: list-ports failed: " << ports.status.message << "\n";
+      return 1;
+    }
+    for (const auto& port : ports.value) {
+      std::cout << port.id.value << "\t" << port.name << "\t"
+                << (port.is_input ? "in" : "out") << "\n";
+    }
+    return 0;
+  }
+
+  if (command == "list-links") {
+    auto links = client_result.value->ListLinks();
+    if (!links.ok()) {
+      std::cerr << "warppipe: list-links failed: " << links.status.message << "\n";
+      return 1;
+    }
+    for (const auto& link : links.value) {
+      std::cout << link.id.value << "\t" << link.output_port.value << "\t"
+                << link.input_port.value << "\n";
+    }
+    return 0;
+  }
+
+  return Usage();
+}