Initial checkin of gRPC to third_party/

third_party/grpc/src/php/ext/grpc/server.c

Index: third_party/grpc/src/php/ext/grpc/server.c
diff --git a/third_party/grpc/src/php/ext/grpc/server.c b/third_party/grpc/src/php/ext/grpc/server.c
new file mode 100644
index 0000000000000000000000000000000000000000..ca129e76ca1d1678110383852ef64cbe0993d172
--- /dev/null
+++ b/third_party/grpc/src/php/ext/grpc/server.c
@@ -0,0 +1,233 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include "call.h"
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <php.h>
+#include <php_ini.h>
+#include <ext/standard/info.h>
+#include <ext/spl/spl_exceptions.h>
+#include "php_grpc.h"
+
+#include <zend_exceptions.h>
+
+#include <stdbool.h>
+
+#include <grpc/grpc.h>
+#include <grpc/support/log.h>
+#include <grpc/grpc_security.h>
+
+#include "completion_queue.h"
+#include "server.h"
+#include "channel.h"
+#include "server_credentials.h"
+#include "timeval.h"
+
+zend_class_entry *grpc_ce_server;
+
+/* Frees and destroys an instance of wrapped_grpc_server */
+void free_wrapped_grpc_server(void *object TSRMLS_DC) {
+  wrapped_grpc_server *server = (wrapped_grpc_server *)object;
+  if (server->wrapped != NULL) {
+    grpc_server_shutdown_and_notify(server->wrapped, completion_queue, NULL);
+    grpc_server_cancel_all_calls(server->wrapped);
+    grpc_completion_queue_pluck(completion_queue, NULL,
+                                gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
+    grpc_server_destroy(server->wrapped);
+  }
+  efree(server);
+}
+
+/* Initializes an instance of wrapped_grpc_call to be associated with an object
+ * of a class specified by class_type */
+zend_object_value create_wrapped_grpc_server(zend_class_entry *class_type
+                                                 TSRMLS_DC) {
+  zend_object_value retval;
+  wrapped_grpc_server *intern;
+
+  intern = (wrapped_grpc_server *)emalloc(sizeof(wrapped_grpc_server));
+  memset(intern, 0, sizeof(wrapped_grpc_server));
+
+  zend_object_std_init(&intern->std, class_type TSRMLS_CC);
+  object_properties_init(&intern->std, class_type);
+  retval.handle = zend_objects_store_put(
+      intern, (zend_objects_store_dtor_t)zend_objects_destroy_object,
+      free_wrapped_grpc_server, NULL TSRMLS_CC);
+  retval.handlers = zend_get_std_object_handlers();
+  return retval;
+}
+
+/**
+ * Constructs a new instance of the Server class
+ * @param array $args The arguments to pass to the server (optional)
+ */
+PHP_METHOD(Server, __construct) {
+  wrapped_grpc_server *server =
+      (wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
+  zval *args_array = NULL;
+  grpc_channel_args args;
+  /* "|a" == 1 optional array */
+  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|a", &args_array) ==
+      FAILURE) {
+    zend_throw_exception(spl_ce_InvalidArgumentException,
+                         "Server expects an array",
+                         1 TSRMLS_CC);
+    return;
+  }
+  if (args_array == NULL) {
+    server->wrapped = grpc_server_create(NULL, NULL);
+  } else {
+    php_grpc_read_args_array(args_array, &args);
+    server->wrapped = grpc_server_create(&args, NULL);
+    efree(args.args);
+  }
+  grpc_server_register_completion_queue(server->wrapped, completion_queue,
+                                        NULL);
+}
+
+/**
+ * Request a call on a server. Creates a single GRPC_SERVER_RPC_NEW event.
+ * @param long $tag_new The tag to associate with the new request
+ * @param long $tag_cancel The tag to use if the call is cancelled
+ * @return Void
+ */
+PHP_METHOD(Server, requestCall) {
+  grpc_call_error error_code;
+  wrapped_grpc_server *server =
+      (wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
+  grpc_call *call;
+  grpc_call_details details;
+  grpc_metadata_array metadata;
+  zval *result;
+  grpc_event event;
+  MAKE_STD_ZVAL(result);
+  object_init(result);
+  grpc_call_details_init(&details);
+  grpc_metadata_array_init(&metadata);
+  error_code =
+      grpc_server_request_call(server->wrapped, &call, &details, &metadata,
+                               completion_queue, completion_queue, NULL);
+  if (error_code != GRPC_CALL_OK) {
+    zend_throw_exception(spl_ce_LogicException, "request_call failed",
+                         (long)error_code TSRMLS_CC);
+    goto cleanup;
+  }
+  event = grpc_completion_queue_pluck(completion_queue, NULL,
+                                      gpr_inf_future(GPR_CLOCK_REALTIME), NULL);
+  if (!event.success) {
+    zend_throw_exception(spl_ce_LogicException,
+                         "Failed to request a call for some reason",
+                         1 TSRMLS_CC);
+    goto cleanup;
+  }
+  add_property_zval(result, "call", grpc_php_wrap_call(call, true));
+  add_property_string(result, "method", details.method, true);
+  add_property_string(result, "host", details.host, true);
+  add_property_zval(result, "absolute_deadline",
+                    grpc_php_wrap_timeval(details.deadline));
+  add_property_zval(result, "metadata", grpc_parse_metadata_array(&metadata));
+cleanup:
+  grpc_call_details_destroy(&details);
+  grpc_metadata_array_destroy(&metadata);
+  RETURN_DESTROY_ZVAL(result);
+}
+
+/**
+ * Add a http2 over tcp listener.
+ * @param string $addr The address to add
+ * @return true on success, false on failure
+ */
+PHP_METHOD(Server, addHttp2Port) {
+  wrapped_grpc_server *server =
+      (wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
+  const char *addr;
+  int addr_len;
+  /* "s" == 1 string */
+  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &addr, &addr_len) ==
+      FAILURE) {
+    zend_throw_exception(spl_ce_InvalidArgumentException,
+                         "add_http2_port expects a string", 1 TSRMLS_CC);
+    return;
+  }
+  RETURN_LONG(grpc_server_add_insecure_http2_port(server->wrapped, addr));
+}
+
+PHP_METHOD(Server, addSecureHttp2Port) {
+  wrapped_grpc_server *server =
+      (wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
+  const char *addr;
+  int addr_len;
+  zval *creds_obj;
+  /* "sO" == 1 string, 1 object */
+  if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sO", &addr, &addr_len,
+                            &creds_obj, grpc_ce_server_credentials) ==
+      FAILURE) {
+    zend_throw_exception(
+        spl_ce_InvalidArgumentException,
+        "add_http2_port expects a string and a ServerCredentials", 1 TSRMLS_CC);
+    return;
+  }
+  wrapped_grpc_server_credentials *creds =
+      (wrapped_grpc_server_credentials *)zend_object_store_get_object(
+          creds_obj TSRMLS_CC);
+  RETURN_LONG(grpc_server_add_secure_http2_port(server->wrapped, addr,
+                                                creds->wrapped));
+}
+
+/**
+ * Start a server - tells all listeners to start listening
+ * @return Void
+ */
+PHP_METHOD(Server, start) {
+  wrapped_grpc_server *server =
+      (wrapped_grpc_server *)zend_object_store_get_object(getThis() TSRMLS_CC);
+  grpc_server_start(server->wrapped);
+}
+
+static zend_function_entry server_methods[] = {
+    PHP_ME(Server, __construct, NULL, ZEND_ACC_PUBLIC | ZEND_ACC_CTOR)
+    PHP_ME(Server, requestCall, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Server, addHttp2Port, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Server, addSecureHttp2Port, NULL, ZEND_ACC_PUBLIC)
+    PHP_ME(Server, start, NULL, ZEND_ACC_PUBLIC) PHP_FE_END};
+
+void grpc_init_server(TSRMLS_D) {
+  zend_class_entry ce;
+  INIT_CLASS_ENTRY(ce, "Grpc\\Server", server_methods);
+  ce.create_object = create_wrapped_grpc_server;
+  grpc_ce_server = zend_register_internal_class(&ce TSRMLS_CC);
+}