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