Function TSPluginInit

plugins/experimental/wasm/wasm_main.cc:889–934

main function for the plugin

// main function for the plugin
void
TSPluginInit(int argc, const char *argv[])
{
  TSPluginRegistrationInfo info;
  info.plugin_name   = "wasm";
  info.vendor_name   = "Apache Software Foundation";
  info.support_email = "dev@trafficserver.apache.org";
  if (TSPluginRegister(&info) != TS_SUCCESS) {
    TSError("[wasm] Plugin registration failed");
  }

  if (argc < 2) {
    TSError("[wasm][%s] wasm config argument missing", __FUNCTION__);
    return;
  }

  wasm_config = std::make_unique<WasmInstanceConfig>();

  for (int i = 1; i < argc; i++) {
    std::string filename = std::string(argv[i]);
    if (*filename.begin() != '/') {
      filename = std::string(TSConfigDirGet()) + "/" + filename;
    }
    wasm_config->config_filenames.push_front(filename);
  }

  if (!read_configuration()) {
    return;
  }

  // global handler
  TSCont global_contp = TSContCreate(global_hook_handler, nullptr);
  if (global_contp == nullptr) {
    TSError("[wasm][%s] could not create transaction start continuation", __FUNCTION__);
    return;
  }
  TSHttpHookAdd(TS_HTTP_TXN_START_HOOK, global_contp);

  // configuration handler
  TSCont config_contp = TSContCreate(config_handler, nullptr);
  if (config_contp == nullptr) {
    TSError("[ts_lua][%s] could not create configuration continuation", __FUNCTION__);
    return;
  }
  TSMgmtUpdateRegister(config_contp, "wasm");
}