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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 2022 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 WS_PG_RESOURCE_H |
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30 #define WS_PG_RESOURCE_H |
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31 |
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32 #include "../../public/nsapi.h" |
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33 |
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34 #include <libpq-fe.h> |
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35 |
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36 #ifdef __cplusplus |
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37 extern "C" { |
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38 #endif |
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39 |
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40 typedef struct PgResourcePool { |
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41 /* |
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42 * ResourcePool parameters |
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43 */ |
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44 pblock *param; |
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45 |
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46 /* |
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47 * Cfg memorypool |
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48 */ |
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49 pool_handle_t *pool; |
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50 |
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51 /* |
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52 * ResourcePool name |
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53 */ |
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54 const char *name; |
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55 |
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56 /* |
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57 * connection string used for PQconnectdb |
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58 */ |
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59 char *connection; |
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60 |
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61 |
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62 } PgResourcePool; |
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63 |
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64 typedef struct PgResource { |
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65 PGconn *connection; |
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66 } PgResource; |
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67 |
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68 ResourceType* pg_get_resource_type(void); |
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69 |
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70 void * pg_resourcepool_init(pool_handle_t *pool, const char *rpname, pblock *pb); |
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71 void pg_resourcepool_destroy(PgResourcePool *pg); |
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72 void * pg_resourcepool_createresource(PgResourcePool *pg); |
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73 void pg_resourcepool_freeresource(PgResourcePool *pg, PgResource *res); |
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74 int pg_resourcepool_prepare(PgResourcePool *pg, PgResource *res); |
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75 int pg_resourcepool_finish(PgResourcePool *pg, PgResource *res); |
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76 void * pg_resourcepool_getresourcedata(PgResource *res); |
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77 |
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78 /* |
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79 * checks if conn is a working connection and logs an error message if not |
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80 * conn can be null (resulting in an error message) |
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81 * if conn is not null but the status is not CONNECTION_OK, |
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82 * conn will be destroyed |
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83 */ |
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84 int pg_check_connection(int loglevel, const char *rpname, PGconn *connection); |
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85 |
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86 #ifdef __cplusplus |
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87 } |
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88 #endif |
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89 |
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90 #endif /* WS_PG_RESOURCE_H */ |
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91 |