ui/common/message.h

changeset 944
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child 953
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943:9b5948aa5b90 944:cc23aad6335e
1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2025 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef UIC_MESSAGE_H
30 #define UIC_MESSAGE_H
31
32 #include <cx/string.h>
33 #include <cx/json.h>
34 #include <cx/buffer.h>
35
36 #include <pthread.h>
37
38
39 #ifdef __cplusplus
40 extern "C" {
41 #endif
42
43
44 typedef struct UiMessageHandler UiMessageHandler;
45
46 typedef void(*msg_received_callback)(cxmutstr msg);
47
48 struct UiMessageHandler {
49 int (*start)(UiMessageHandler *handler);
50 int (*stop)(UiMessageHandler *handler);
51 int (*send)(UiMessageHandler *handler, cxstring msg);
52
53 msg_received_callback callback;
54 };
55
56 typedef struct UiSimpleMessageHandler {
57 UiMessageHandler handler;
58 int in;
59 int out;
60 pthread_t in_thread;
61 pthread_t out_thread;
62 pthread_mutex_t queue_lock;
63 pthread_mutex_t avlbl_lock;
64 pthread_cond_t available;
65 CxBuffer *outbuf;
66 int stop;
67 } UiSimpleMessageHandler;
68
69 UiMessageHandler* uic_simple_msg_handler(int in, int out, msg_received_callback callback);
70 int uic_simple_msg_handler_start(UiMessageHandler *handler);
71 int uic_simple_msg_handler_stop(UiMessageHandler *handler);
72 int uic_simple_msg_handler_send(UiMessageHandler *handler, cxstring msg);
73
74 void* uic_simple_msg_handler_in_thread(void *data);
75 void* uic_simple_msg_handler_out_thread(void *data);
76
77
78 #ifdef __cplusplus
79 }
80 #endif
81
82 #endif /* UIC_MESSAGE_H */
83

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