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