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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 UIC_MESSAGE_H |
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30 #define UIC_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 |
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39 #ifdef __cplusplus |
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40 extern "C" { |
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41 #endif |
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42 |
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43 |
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44 typedef struct UiMessageHandler UiMessageHandler; |
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45 |
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46 typedef void(*msg_received_callback)(cxmutstr msg); |
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47 |
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48 struct UiMessageHandler { |
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49 int (*start)(UiMessageHandler *handler); |
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50 int (*stop)(UiMessageHandler *handler); |
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51 int (*send)(UiMessageHandler *handler, cxstring msg); |
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52 |
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53 msg_received_callback callback; |
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54 }; |
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55 |
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56 typedef struct UiSimpleMessageHandler { |
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57 UiMessageHandler handler; |
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58 int in; |
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59 int out; |
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60 pthread_t in_thread; |
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61 pthread_t out_thread; |
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62 pthread_mutex_t queue_lock; |
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63 pthread_mutex_t avlbl_lock; |
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64 pthread_cond_t available; |
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65 CxBuffer *outbuf; |
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66 int stop; |
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67 } UiSimpleMessageHandler; |
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68 |
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69 UiMessageHandler* uic_simple_msg_handler(int in, int out, msg_received_callback callback); |
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70 int uic_simple_msg_handler_start(UiMessageHandler *handler); |
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71 int uic_simple_msg_handler_stop(UiMessageHandler *handler); |
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72 int uic_simple_msg_handler_send(UiMessageHandler *handler, cxstring msg); |
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73 |
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74 void* uic_simple_msg_handler_in_thread(void *data); |
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75 void* uic_simple_msg_handler_out_thread(void *data); |
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76 |
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77 |
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78 #ifdef __cplusplus |
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79 } |
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80 #endif |
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81 |
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82 #endif /* UIC_MESSAGE_H */ |
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83 |