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1 /*
2  *
3  * Copyright 2015 gRPC authors.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 
19 #ifndef NET_GRPC_PHP_GRPC_CHANNEL_H_
20 #define NET_GRPC_PHP_GRPC_CHANNEL_H_
21 
22 #include "php_grpc.h"
23 
24 /* Class entry for the PHP Channel class */
25 extern zend_class_entry *grpc_ce_channel;
26 
27 typedef struct _grpc_channel_wrapper {
28   grpc_channel *wrapped;
29   char *key;
30   char *target;
31   char *args_hashstr;
32   char *creds_hashstr;
33   size_t ref_count;
34   gpr_mu mu;
35 } grpc_channel_wrapper;
36 
37 /* Wrapper struct for grpc_channel that can be associated with a PHP object */
PHP_GRPC_WRAP_OBJECT_START(wrapped_grpc_channel)38 PHP_GRPC_WRAP_OBJECT_START(wrapped_grpc_channel)
39   grpc_channel_wrapper *wrapper;
40 PHP_GRPC_WRAP_OBJECT_END(wrapped_grpc_channel)
41 
42 static inline wrapped_grpc_channel
43 *wrapped_grpc_channel_from_obj(zend_object *obj) {
44   return (wrapped_grpc_channel*)((char*)(obj) -
45                                  XtOffsetOf(wrapped_grpc_channel, std));
46 }
47 
48 /* Initializes the Channel class */
49 GRPC_STARTUP_FUNCTION(channel);
50 
51 /* Iterates through a PHP array and populates args with the contents */
52 int php_grpc_read_args_array(zval *args_array, grpc_channel_args *args
53                              TSRMLS_DC);
54 
55 void generate_sha1_str(char *sha1str, char *str, php_grpc_int len);
56 
57 void php_grpc_delete_persistent_list_entry(char *key, php_grpc_int key_len
58                                            TSRMLS_DC);
59 
60 typedef struct _channel_persistent_le {
61   grpc_channel_wrapper *channel;
62 } channel_persistent_le_t;
63 
64 typedef struct _target_bound_le {
65   int upper_bound;
66   int current_count;
67 } target_bound_le_t;
68 
69 #endif /* NET_GRPC_PHP_GRPC_CHANNEL_H_ */
70