src/server/daemon/func.c

Sat, 26 Nov 2022 17:07:08 +0100

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Sat, 26 Nov 2022 17:07:08 +0100
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parent 415
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refactore http listener creation

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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 2013 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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30 #include <stdlib.h>
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31 #include <cx/map.h>
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32 #include <cx/hash_map.h>
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33
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34 #include "../public/nsapi.h"
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35 #include "../util/pblock.h"
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36
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37 #include "func.h"
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38
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39 CxMap *function_map;
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41 void func_init() {
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42 function_map = cxHashMapCreate(cxDefaultAllocator, 256);
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43 }
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44
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45 void add_function(FuncStruct *func) {
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46 struct FuncStruct *f = malloc(sizeof(FuncStruct));
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47 *f = *func;
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48 char *name = strdup(func->name);
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49 for(int i=0;name[i]!='\0';i++) {
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50 if(name[i] == '_') {
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51 name[i] = '-';
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52 }
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53 }
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54 f->name = name;
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55 log_ereport(LOG_VERBOSE, "add_function %s", f->name);
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56 cxMapPut(function_map, cx_hash_key_str(f->name), f);
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57 }
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58
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59 void add_functions(FuncStruct *funcs) {
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60 int i = 0;
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61 while(funcs[i].func != NULL) {
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62 add_function(&funcs[i]);
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63 i++;
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64 }
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65 }
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66
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67 FuncStruct* get_function(const char *name) {
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68 char *name_dup = strdup(name);
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69 for(int i=0;name_dup[i]!='\0';i++) {
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70 if(name_dup[i] == '_') {
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71 name_dup[i] = '-';
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72 }
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73 }
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74 void *ret = cxMapGet(function_map, cx_hash_key_str(name_dup));
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75 free(name_dup);
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76 return ret;
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77 }
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79 FuncStruct* func_resolve(pblock *pb, Session *sn, Request *rq) {
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80 char *name = pblock_findkeyval(pb_key_fn, pb);
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81 if(name == NULL) {
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82 // TODO: error
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83 return NULL;
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84 }
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86 FuncStruct *func = get_function(name);
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87 if(func == NULL) {
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88 // TODO: error
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89 }
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90 return func;
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91 }
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92
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93 int func_exec(pblock *pb, Session *sn, Request *rq) {
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94 FuncStruct *func = func_resolve(pb, sn, rq);
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95 if(func == NULL) {
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96 return REQ_ABORTED;
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97 }
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98 return func->func(pb, sn, rq);
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99 }
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100
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103
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104 // public API
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105
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106 struct FuncStruct func_insert(char *name, FuncPtr fn) {
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107 struct FuncStruct fc;
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108 ZERO(&fc, sizeof(FuncStruct));
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109 fc.func = fn;
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110 fc.name = strdup(name);
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111 add_function(&fc);
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112 return *get_function(name);
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113 }

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