1 | /* |
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2 | * Author : Gérald FENOY |
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3 | * |
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4 | * Copyright 2017 GeoLabs SARL. All rights reserved. |
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5 | * |
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6 | * This work was supported by public funds received in the framework of GEOSUD, |
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7 | * a project (ANR-10-EQPX-20) of the program "Investissements d'Avenir" managed |
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8 | * by the French National Research Agency |
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9 | * |
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10 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
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11 | * of this software and associated documentation files (the "Software"), to deal |
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12 | * in the Software without restriction, including without limitation the rights |
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13 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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14 | * copies of the Software, and to permit persons to whom the Software is |
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15 | * furnished to do so, subject to the following conditions: |
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16 | * |
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17 | * The above copyright notice and this permission notice shall be included in |
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18 | * all copies or substantial portions of the Software. |
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19 | * |
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20 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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21 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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22 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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23 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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24 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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25 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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26 | * THE SOFTWARE. |
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27 | */ |
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28 | |
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29 | #include "service_callback.h" |
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30 | #include "service_json.h" |
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31 | #include "service_internal_ms.h" |
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32 | #include <pthread.h> |
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33 | |
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34 | #ifdef __cplusplus |
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35 | extern "C" { |
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36 | #endif |
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37 | |
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38 | int nbThreads=0; |
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39 | int cStep=0; |
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40 | pthread_t* myThreads=NULL; |
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41 | bool steps[7][2]={ |
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42 | {false,false}, |
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43 | {false,false}, |
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44 | {false,false}, |
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45 | {false,false}, |
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46 | {false,false}, |
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47 | {false,false}, |
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48 | {false,false} |
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49 | }; |
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50 | |
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51 | /** |
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52 | * Check if a service name is prohibited, meaning that the Kernel doesn't have |
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53 | * to invoke the callback for this specific service. |
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54 | * |
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55 | * @param conf the main configuration file maps |
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56 | * @param serviceName the serviceName |
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57 | * @return a bool true if the service is prohibited, false in other case |
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58 | */ |
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59 | bool isProhibited(maps* conf,const char* serviceName){ |
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60 | map* plist=getMapFromMaps(conf,"callback","prohibited"); |
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61 | if(plist!=NULL){ |
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62 | char *tmp=plist->value; |
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63 | char *tmpS=strtok(tmp,","); |
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64 | while(tmpS!=NULL){ |
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65 | if(strcmp(serviceName,tmpS)==0) |
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66 | return true; |
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67 | tmpS=strtok(NULL,","); |
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68 | } |
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69 | } |
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70 | return false; |
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71 | } |
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72 | |
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73 | /** |
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74 | * Parameter definition to be used for sending parameters to a thread. |
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75 | */ |
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76 | typedef struct { |
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77 | maps *conf; //!< the main configuration file |
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78 | map *url; //!< the callback url maps |
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79 | json_object *res;//!< the JSON object to post |
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80 | int step; //!< the current step [0,6] |
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81 | int state; //!< the current state [0,1] |
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82 | } local_params; |
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83 | |
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84 | /** |
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85 | * Verify if the URL should use a shared cache or not. |
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86 | * |
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87 | * In case the security section contains a key named "shared", then if the |
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88 | * domain listed in the shared key are contained in the url given as parameter |
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89 | * then it return "SHARED" in other cases, it returns "OTHER". |
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90 | * |
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91 | * @param conf the main configuration file maps |
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92 | * @param url the URL to evaluate |
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93 | * @return a string "SHARED" in case the host is in a domain listed in the |
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94 | * shared key, "OTHER" in other cases. |
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95 | */ |
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96 | char* getProvenance(maps* conf,const char* url){ |
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97 | map* sharedCache=getMapFromMaps(conf,"security","shared"); |
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98 | if(sharedCache!=NULL){ |
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99 | char *res=NULL; |
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100 | char *hosts=sharedCache->value; |
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101 | char *curs=strtok(hosts,","); |
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102 | while(curs!=NULL){ |
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103 | if(strstr(url,curs)==NULL) |
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104 | res="OTHER"; |
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105 | else{ |
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106 | res="SHARED"; |
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107 | return res; |
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108 | } |
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109 | } |
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110 | return res; |
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111 | } |
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112 | return "OTHER"; |
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113 | } |
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114 | |
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115 | /** |
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116 | * Practically invoke the callback, meaning sending the HTTP POST request. |
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117 | * |
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118 | * @param args local_params containing all the variables required |
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119 | */ |
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120 | void* _invokeCallback(void* args){ |
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121 | local_params* arg=(local_params*)args; |
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122 | HINTERNET hInternet,res1; |
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123 | hInternet=InternetOpen("ZooWPSClient\0", |
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124 | INTERNET_OPEN_TYPE_PRECONFIG, |
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125 | NULL,NULL, 0); |
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126 | if(!CHECK_INET_HANDLE(hInternet)){ |
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127 | InternetCloseHandle (&hInternet); |
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128 | return false; |
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129 | } |
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130 | char *URL=(char*)malloc((strlen(arg->url->value)+5)*sizeof(char)); |
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131 | sprintf(URL,"%s%d_%d/",arg->url->value,arg->step,arg->state); |
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132 | const char* jsonStr=json_object_to_json_string_ext(arg->res,JSON_C_TO_STRING_PLAIN); |
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133 | hInternet.waitingRequests[0] = zStrdup(URL); |
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134 | free(URL); |
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135 | fprintf(stderr,"************************* From thread %d %s %d: REQUEST PARAMETERS\n",pthread_self(),__FILE__,__LINE__); |
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136 | fprintf(stderr," * JSON: [%s] \n",jsonStr); |
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137 | fprintf(stderr," * URL: %s/ \n\n",hInternet.waitingRequests[0]); |
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138 | fprintf(stderr,"************************* From thread %d %s %d: REQUEST PARAMETERS\n",pthread_self(),__FILE__,__LINE__); |
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139 | while( cStep!=7 && |
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140 | ( cStep!=arg->step || (arg->state!=0 && steps[arg->step][0]==false) ) |
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141 | ){ |
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142 | sleep(1); |
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143 | } |
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144 | fprintf(stderr,"************************* From thread %d %s %d: REQUEST START\n\n",pthread_self(),__FILE__,__LINE__); |
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145 | int i=0; |
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146 | for(i=0;i<7;i++){ |
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147 | fprintf(stderr,"%d) %d %d\n",i,steps[i][0],steps[i][1]); |
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148 | fflush(stderr); |
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149 | } |
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150 | fprintf(stderr,"************************* From thread %d %s %d: REQUEST START\n",pthread_self(),__FILE__,__LINE__); |
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151 | fflush(stderr); |
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152 | res1 = InternetOpenUrl (&hInternet, |
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153 | hInternet.waitingRequests[0], |
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154 | (char*)jsonStr, strlen(jsonStr), |
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155 | INTERNET_FLAG_NO_CACHE_WRITE, |
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156 | 0); |
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157 | AddHeaderEntries(&hInternet,arg->conf); |
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158 | //curl_easy_setopt(hInternet.ihandle[hInternet.nb].handle, CURLOPT_VERBOSE, 1);x |
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159 | processDownloads(&hInternet); |
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160 | fprintf(stderr,"************************* From thread %d %s %d: REQUEST END\n\n",pthread_self(),__FILE__,__LINE__); |
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161 | fflush(stderr); |
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162 | char *tmp = (char *) malloc ((hInternet.ihandle[0].nDataLen + 1) |
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163 | * sizeof (char)); |
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164 | if (tmp == NULL) |
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165 | { |
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166 | setMapInMaps(arg->conf,"lenv","message",_("Unable to allocate memory")); |
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167 | setMapInMaps(arg->conf,"lenv","code","InternalError"); |
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168 | return NULL; |
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169 | } |
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170 | size_t bRead; |
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171 | InternetReadFile (hInternet.ihandle[0], |
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172 | (LPVOID) tmp, |
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173 | hInternet. |
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174 | ihandle[0].nDataLen, |
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175 | &bRead); |
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176 | tmp[hInternet.ihandle[0].nDataLen] = 0; |
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177 | json_object_put(arg->res); |
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178 | InternetCloseHandle(&hInternet); |
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179 | if(cStep==0 || cStep==6 || arg->state==1) |
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180 | cStep=arg->step+1; |
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181 | steps[arg->step][arg->state]=true; |
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182 | fprintf(stderr,"************************* From thread %d %s %d: RESPONSE CONTENT\n",pthread_self(),__FILE__,__LINE__); |
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183 | for(i=0;i<7;i++){ |
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184 | fprintf(stderr,"%d) %d %d\n",i,steps[i][0],steps[i][1]); |
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185 | } |
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186 | fprintf(stderr,"Result: \n%s\n\n",tmp); |
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187 | fprintf(stderr,"************************* From thread %d %s %d\n\n",pthread_self(),__FILE__,__LINE__); |
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188 | fflush(stderr); |
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189 | free(tmp); |
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190 | free(args); |
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191 | pthread_exit(NULL); |
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192 | } |
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193 | |
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194 | /** |
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195 | * Invoke the callback in case there is a [callback] section containing a url parameter |
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196 | * |
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197 | * @param m the maps containing the main configuration file definitions |
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198 | * @param inputs the inputs defined in the request (can be null if not yet initialized) |
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199 | * @param inputs the outputs provided in the request (can be null if not yet initialized) |
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200 | * @param step the step number, steps are defined as: |
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201 | * 0: Analyze creation |
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202 | * 1: Fetching Data Inputs |
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203 | * 2: Uploading data inputs to cluster |
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204 | * 3: Creating Job Script |
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205 | * 4: Submitting Job to Cluster |
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206 | * 5: Downloading processed output from cluster |
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207 | * 6: Finalize |
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208 | * 7: Dismiss or Error |
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209 | * @param state 0 in case the step starts, 1 when it ends |
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210 | * @return bool true in case of success, false in other cases |
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211 | */ |
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212 | bool invokeCallback(maps* conf,maps* inputs,maps* outputs,int step,int state){ |
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213 | map* url=getMapFromMaps(conf,"callback","url"); |
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214 | if(url==NULL) |
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215 | return false; |
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216 | |
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217 | maps* lenv=getMaps(conf,"lenv"); |
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218 | map* sname=getMap(lenv->content,"identifier"); |
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219 | if(sname!=NULL && isProhibited(conf,sname->value)) |
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220 | return false; |
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221 | |
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222 | json_object *res=json_object_new_object(); |
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223 | |
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224 | map* sid=getMapFromMaps(conf,"lenv","usid"); |
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225 | if(sid!=NULL){ |
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226 | json_object *jsStr=json_object_new_string(sid->value); |
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227 | json_object_object_add(res,"jobid",jsStr); |
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228 | } |
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229 | const struct tm *tm; |
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230 | size_t len; |
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231 | time_t now; |
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232 | char *tmp1; |
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233 | map *tmpStatus; |
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234 | |
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235 | now = time ( NULL ); |
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236 | tm = localtime ( &now ); |
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237 | |
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238 | tmp1 = (char*)malloc((TIME_SIZE+1)*sizeof(char)); |
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239 | |
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240 | len = strftime ( tmp1, TIME_SIZE, "%Y-%m-%dT%I:%M:%SZ", tm ); |
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241 | json_object *jsStr0=json_object_new_string(tmp1); |
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242 | json_object_object_add(res,"datetime",jsStr0); |
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243 | |
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244 | switch(step){ |
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245 | case 0: { |
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246 | // Create a new analyze |
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247 | maps* lenv=getMaps(conf,"lenv"); |
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248 | sid=getMapFromMaps(conf,"lenv","xrequest"); |
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249 | if(sid!=NULL){ |
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250 | json_object *jsStr=json_object_new_string(sid->value); |
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251 | json_object_object_add(res,"request_execute_content",jsStr); |
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252 | } |
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253 | sid=getMapFromMaps(conf,"lenv","identifier"); |
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254 | if(sid!=NULL){ |
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255 | json_object *jsStr=json_object_new_string(sid->value); |
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256 | json_object_object_add(res,"process_identifier",jsStr); |
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257 | } |
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258 | break; |
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259 | } |
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260 | case 1: { |
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261 | // Fetching data inputs |
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262 | maps* curs=inputs; |
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263 | char *keys[8][2]={ |
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264 | { |
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265 | "href", |
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266 | "ref" |
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267 | }, |
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268 | { |
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269 | "cache_file", |
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270 | "cachefile" |
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271 | }, |
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272 | { |
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273 | "fmimeType", |
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274 | "mimetype" |
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275 | }, |
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276 | { |
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277 | "size", |
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278 | "size" |
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279 | }, |
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280 | { |
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281 | "ref_wms_link", |
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282 | "ref_wms_link" |
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283 | }, |
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284 | { |
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285 | "ref_wcs_link", |
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286 | "ref_wcs_link" |
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287 | }, |
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288 | { |
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289 | "ref_wfs_link", |
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290 | "ref_wfs_link" |
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291 | }, |
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292 | { |
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293 | "geodatatype", |
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294 | "datatype" |
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295 | } |
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296 | }; |
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297 | json_object *res1=json_object_new_object(); |
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298 | while(curs!=NULL){ |
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299 | map* tmpMap=getMap(curs->content,"cache_file"); |
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300 | sid=getMap(curs->content,"ref_wms_link"); |
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301 | json_object *res2=json_object_new_object(); |
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302 | if(tmpMap!=NULL && sid==NULL){ |
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303 | addToMap(curs->content,"generated_file",tmpMap->value); |
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304 | struct stat buf; |
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305 | char timeStr[ 100 ] = ""; |
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306 | if (stat(tmpMap->value, &buf)==0){ |
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307 | strftime(timeStr, 100, "%d-%m-%Y %H:%M:%S", localtime( &buf.st_mtime)); |
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308 | json_object *jsStr=json_object_new_string(timeStr); |
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309 | json_object_object_add(res2,"creation_date",jsStr); |
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310 | } |
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311 | tmpMap=getMap(curs->content,"fmimeType"); |
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312 | if(tmpMap!=NULL){ |
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313 | addToMap(curs->content,"mimeType",tmpMap->value); |
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314 | } |
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315 | setReferenceUrl(conf,curs); |
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316 | //outputMapfile(conf,curs); |
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317 | dumpMaps(curs); |
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318 | } |
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319 | int i=0; |
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320 | int hasRef=-1; |
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321 | for(;i<8;i++){ |
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322 | sid=getMap(curs->content,keys[i][0]); |
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323 | if(sid!=NULL){ |
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324 | json_object *jsStr=json_object_new_string(sid->value); |
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325 | json_object_object_add(res2,keys[i][1],jsStr); |
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326 | if(i==0){ |
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327 | hasRef=1; |
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328 | json_object *jsStr1=json_object_new_string(getProvenance(conf,url->value)); |
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329 | json_object_object_add(res2,"dataOrigin",jsStr1); |
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330 | } |
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331 | } |
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332 | } |
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333 | if(hasRef<0) |
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334 | json_object_put(res2); |
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335 | else |
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336 | json_object_object_add(res1,curs->name,res2); |
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337 | curs=curs->next; |
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338 | } |
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339 | json_object_object_add(res,"inputs",res1); |
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340 | break; |
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341 | } |
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342 | case 2: { |
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343 | // Uploading data input to cluster |
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344 | maps* in=getMaps(conf,"uploadQueue"); |
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345 | if(in!=NULL){ |
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346 | maps* curs=in; |
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347 | map* length=getMapFromMaps(in,"uploadQueue","length"); |
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348 | if(length!=NULL){ |
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349 | json_object *res1=json_object_new_object(); |
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350 | json_object *res2=json_object_new_object(); |
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351 | int limit=atoi(length->value); |
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352 | int i=0; |
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353 | maps* uploadQueue=getMaps(in,"uploadQueue"); |
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354 | map* tmp=uploadQueue->content; |
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355 | for(;i<limit;i++){ |
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356 | map* tmp0=getMapArray(tmp,"input",i); |
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357 | map* tmp1=getMapArray(tmp,"localPath",i); |
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358 | map* tmp2=getMapArray(tmp,"targetPath",i); |
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359 | if(tmp0!=NULL && tmp1!=NULL && tmp2!=NULL){ |
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360 | json_object *jsStr=json_object_new_string(tmp1->value); |
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361 | json_object_object_add(res2,"local_path",jsStr); |
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362 | jsStr=json_object_new_string(tmp2->value); |
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363 | json_object_object_add(res2,"target_path",jsStr); |
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364 | json_object_object_add(res1,tmp0->value,res2); |
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365 | } |
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366 | } |
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367 | json_object_object_add(res,"inputs",res1); |
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368 | } |
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369 | //json_object_object_add(res,"inputs",in); |
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370 | } |
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371 | break; |
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372 | } |
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373 | case 3: { |
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374 | // Generating job script |
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375 | sid=getMapFromMaps(conf,"lenv","local_script"); |
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376 | if(sid!=NULL){ |
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377 | json_object *jsStr=json_object_new_string(sid->value); |
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378 | json_object_object_add(res,"script",jsStr); |
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379 | } |
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380 | break; |
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381 | } |
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382 | case 4: { |
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383 | // Submitting job to cluster |
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384 | sid=getMapFromMaps(conf,"lenv","remote_script"); |
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385 | if(sid!=NULL){ |
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386 | json_object *jsStr=json_object_new_string(sid->value); |
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387 | json_object_object_add(res,"script",jsStr); |
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388 | } |
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389 | break; |
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390 | } |
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391 | case 5: { |
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392 | // Downloading process outputs from cluster |
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393 | //json_object* in=mapsToJson(outputs); |
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394 | dumpMaps(outputs); |
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395 | maps* curs=outputs; |
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396 | char *keys[8][2]={ |
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397 | { |
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398 | "Reference", |
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399 | "ref" |
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400 | }, |
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401 | { |
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402 | "storage", |
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403 | "cachefile" |
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404 | }, |
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405 | { |
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406 | "fmimeType", |
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407 | "mimetype" |
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408 | }, |
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409 | { |
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410 | "size", |
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411 | "size" |
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412 | }, |
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413 | { |
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414 | "ref_wms_link", |
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415 | "ref_wms_link" |
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416 | }, |
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417 | { |
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418 | "ref_wcs_link", |
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419 | "ref_wcs_link" |
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420 | }, |
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421 | { |
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422 | "ref_wfs_link", |
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423 | "ref_wfs_link" |
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424 | }, |
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425 | { |
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426 | "geodatatype", |
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427 | "datatype" |
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428 | } |
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429 | }; |
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430 | json_object *res1=json_object_new_object(); |
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431 | while(curs!=NULL){ |
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432 | map* tmpMap=getMap(curs->content,"cache_file"); |
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433 | sid=getMap(curs->content,"ref_wms_link"); |
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434 | json_object *res2=json_object_new_object(); |
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435 | int i=0; |
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436 | int hasRef=-1; |
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437 | for(;i<8;i++){ |
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438 | sid=getMap(curs->content,keys[i][0]); |
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439 | if(sid!=NULL){ |
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440 | json_object *jsStr=json_object_new_string(sid->value); |
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441 | json_object_object_add(res2,keys[i][1],jsStr); |
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442 | if(i==0) |
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443 | hasRef=1; |
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444 | } |
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445 | } |
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446 | if(hasRef>0) |
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447 | json_object_object_add(res1,curs->name,res2); |
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448 | else{ |
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449 | maps* curs0=curs->child; |
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450 | while(curs0!=NULL){ |
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451 | json_object *res3=json_object_new_object(); |
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452 | int i0=0; |
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453 | int hasRef0=-1; |
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454 | for(;i0<8;i0++){ |
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455 | sid=getMap(curs0->content,keys[i0][0]); |
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456 | if(sid!=NULL){ |
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457 | json_object *jsStr=json_object_new_string(sid->value); |
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458 | json_object_object_add(res3,keys[i0][1],jsStr); |
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459 | //if(i0==0) |
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460 | hasRef0=1; |
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461 | } |
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462 | } |
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463 | if(hasRef0<0) |
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464 | json_object_put(res3); |
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465 | else |
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466 | json_object_object_add(res2,curs0->name,res3); |
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467 | curs0=curs0->next; |
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468 | } |
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469 | json_object_object_add(res1,curs->name,res2); |
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470 | } |
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471 | curs=curs->next; |
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472 | } |
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473 | json_object_object_add(res,"outputs",res1); |
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474 | break; |
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475 | } |
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476 | case 6: { |
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477 | // Finalize HPC |
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478 | sid=getMapFromMaps(conf,"lenv","local_script"); |
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479 | if(sid!=NULL){ |
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480 | json_object *jsStr=json_object_new_string(sid->value); |
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481 | json_object_object_add(res,"inputs",jsStr); |
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482 | } |
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483 | break; |
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484 | } |
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485 | case 7: { |
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486 | // Error or Dismiss |
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487 | sid=getMapFromMaps(conf,"lenv","message"); |
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488 | if(sid!=NULL){ |
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489 | json_object *jsStr=json_object_new_string(sid->value); |
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490 | json_object_object_add(res,"message",jsStr); |
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491 | } |
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492 | json_object *jsStr=json_object_new_string("failed"); |
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493 | json_object_object_add(res,"wps_status",jsStr); |
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494 | break; |
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495 | } |
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496 | others: { |
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497 | break; |
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498 | } |
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499 | } |
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500 | |
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501 | local_params* argumentsA=(local_params*)malloc(MAPS_SIZE+MAP_SIZE+sizeof(json_object*)+(2*sizeof(int))); |
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502 | argumentsA->conf=conf; |
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503 | argumentsA->url=url; |
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504 | argumentsA->res=res; |
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505 | argumentsA->step=step; |
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506 | argumentsA->state=state; |
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507 | //pthread_t p1; |
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508 | if(myThreads==NULL) |
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509 | myThreads=(pthread_t*)malloc((nbThreads+1)*sizeof(pthread_t)); |
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510 | else |
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511 | myThreads=(pthread_t*)realloc(myThreads,(nbThreads+1)*sizeof(pthread_t)); |
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512 | if(pthread_create(&myThreads[nbThreads], NULL, _invokeCallback, (void*)argumentsA)==-1){ |
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513 | setMapInMaps(conf,"lenv","message",_("Unable to create a new thread")); |
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514 | return false; |
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515 | } |
---|
516 | //free(argumentsA); |
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517 | nbThreads++; |
---|
518 | return true; |
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519 | } |
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520 | |
---|
521 | void cleanupCallbackThreads(){ |
---|
522 | int i=0; |
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523 | for(i=0;i<nbThreads;i++){ |
---|
524 | pthread_join(myThreads[i],NULL); |
---|
525 | } |
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526 | free(myThreads); |
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527 | } |
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528 | |
---|
529 | #ifdef __cplusplus |
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530 | } |
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531 | #endif |
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