1 | #ifndef PIC_H |
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2 | #define PIC_H |
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3 | |
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4 | void debugpic() |
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5 | { |
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6 | struct pic* node = pic; |
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7 | |
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8 | while(node != NULL) |
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9 | { |
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10 | printf("%s\n", node->name); |
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11 | node = node->next; |
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12 | } |
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13 | } |
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14 | |
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15 | struct pic* addpic(char *name, unsigned char* picbuf, int memfd, unsigned long width, unsigned long height, unsigned long rowbytes, int channels, int timeout, int del, struct pic* last) |
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16 | { |
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17 | debug(1000, "in"); |
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18 | struct pic *newnode = NULL, *prev = NULL, *node = pic; |
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19 | |
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20 | newnode = (struct pic*)malloc(sizeof(struct pic)); |
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21 | if(newnode == NULL) |
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22 | { |
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23 | err("no memory"); |
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24 | return NULL; |
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25 | } |
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26 | |
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27 | memset(newnode, 0, sizeof(struct pic)); |
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28 | |
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29 | newnode->name = ostrcat(name, "", 0, 0); |
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30 | newnode->picbuf = picbuf; |
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31 | newnode->memfd = memfd; |
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32 | newnode->width = width; |
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33 | newnode->height = height; |
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34 | newnode->rowbytes = rowbytes; |
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35 | newnode->channels = channels; |
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36 | newnode->timeout = timeout; |
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37 | newnode->del = del; |
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38 | |
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39 | if(last == NULL) |
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40 | { |
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41 | while(node != NULL && strcoll(newnode->name, node->name) > 0) |
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42 | { |
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43 | prev = node; |
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44 | node = node->next; |
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45 | } |
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46 | } |
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47 | else |
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48 | { |
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49 | prev = last; |
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50 | node = last->next; |
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51 | } |
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52 | |
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53 | if(prev == NULL) |
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54 | pic = newnode; |
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55 | else |
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56 | prev->next = newnode; |
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57 | |
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58 | newnode->next = node; |
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59 | |
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60 | debug(1000, "out"); |
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61 | return newnode; |
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62 | } |
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63 | |
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64 | void freepiccontent(struct pic* node) |
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65 | { |
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66 | free(node->name); |
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67 | node->name = NULL; |
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68 | |
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69 | if(node->memfd >= 0) |
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70 | { |
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71 | freebpamem(node->memfd, node->picbuf, node->width * node->height * node->channels); |
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72 | node->memfd = -1; |
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73 | } |
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74 | else |
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75 | free(node->picbuf); |
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76 | |
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77 | node->picbuf = NULL; |
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78 | } |
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79 | |
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80 | void delpic(char* name) |
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81 | { |
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82 | debug(1000, "in"); |
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83 | struct pic *node = pic, *prev = pic; |
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84 | char* tmpstr = NULL; |
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85 | |
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86 | tmpstr = changepicpath(name); |
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87 | |
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88 | while(node != NULL) |
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89 | { |
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90 | if(ostrcmp(node->name, tmpstr) == 0) |
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91 | { |
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92 | if(node == pic) |
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93 | pic = node->next; |
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94 | else |
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95 | prev->next = node->next; |
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96 | |
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97 | freepiccontent(node); |
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98 | |
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99 | free(node); |
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100 | node = NULL; |
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101 | break; |
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102 | } |
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103 | |
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104 | prev = node; |
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105 | node = node->next; |
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106 | } |
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107 | free(tmpstr); |
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108 | debug(1000, "out"); |
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109 | } |
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110 | |
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111 | void delmarkedpic(int del) |
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112 | { |
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113 | debug(1000, "in"); |
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114 | struct pic *node = pic, *prev = pic; |
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115 | |
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116 | while(node != NULL) |
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117 | { |
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118 | if(node->del == del) |
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119 | { |
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120 | if(node == pic) |
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121 | pic = node->next; |
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122 | else |
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123 | prev->next = node->next; |
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124 | |
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125 | freepiccontent(node); |
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126 | |
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127 | free(node); |
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128 | node = NULL; |
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129 | break; |
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130 | } |
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131 | |
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132 | prev = node; |
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133 | node = node->next; |
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134 | } |
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135 | debug(1000, "out"); |
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136 | } |
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137 | |
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138 | void checkpictimeout() |
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139 | { |
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140 | struct pic* node = pic; |
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141 | time_t akttime = time(NULL); |
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142 | |
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143 | while(node != NULL) |
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144 | { |
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145 | if(node->timeout != 0 && node->lastaccess + node->timeout < akttime) |
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146 | delpic(node->name); |
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147 | node = node->next; |
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148 | } |
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149 | } |
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150 | |
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151 | struct pic* getpic(char* name) |
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152 | { |
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153 | debug(1000, "in"); |
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154 | struct pic *node = pic; |
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155 | char* tmpstr = NULL; |
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156 | |
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157 | tmpstr = changepicpath(name); |
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158 | |
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159 | while(node != NULL) |
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160 | { |
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161 | if(ostrcmp(node->name, tmpstr) == 0) |
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162 | { |
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163 | debug(1000, "out"); |
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164 | free(tmpstr); |
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165 | node->lastaccess = time(NULL); |
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166 | return node; |
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167 | } |
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168 | |
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169 | node = node->next; |
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170 | } |
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171 | debug(100, "pic not found (name=%s)", name); |
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172 | free(tmpstr); |
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173 | return NULL; |
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174 | } |
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175 | |
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176 | void freepic() |
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177 | { |
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178 | debug(1000, "in"); |
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179 | struct pic *node = pic, *prev = pic; |
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180 | |
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181 | while(node != NULL) |
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182 | { |
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183 | prev = node; |
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184 | node = node->next; |
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185 | if(prev != NULL) |
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186 | delpic(prev->name); |
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187 | } |
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188 | debug(1000, "out"); |
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189 | } |
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190 | |
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191 | #endif |
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