1 | #include <stdio.h> |
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2 | #include <stdlib.h> |
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3 | #include <string.h> |
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4 | #include <unistd.h> |
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5 | #include <sys/types.h> |
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6 | #include <sys/socket.h> |
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7 | #include <netinet/in.h> |
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8 | #include <netdb.h> |
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9 | #include <stdarg.h> |
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10 | #include <assert.h> |
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11 | #include <errno.h> |
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12 | #include "hello.decl.h" |
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13 | |
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14 | /*readonly*/ CProxy_Main mainProxy; |
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15 | /*readonly*/ int nElements; |
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16 | /*readonly*/ struct sockaddr_in serv_addr; |
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17 | char **edges; |
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18 | |
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19 | #define UBYTE 0x07 |
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20 | #define BYTE 0x08 |
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21 | #define INTEGER 0x09 |
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22 | #define FLOAT 0x0a |
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23 | #define DOUBLE 0x0b |
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24 | #define STRING 0x0c |
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25 | #define LIST 0x0e |
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26 | |
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27 | struct message { |
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28 | int32_t size; |
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29 | int32_t pos; |
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30 | uint8_t *data; |
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31 | }; |
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32 | |
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33 | class Base { |
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34 | public : |
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35 | int sockfd; |
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36 | struct message msg; |
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37 | |
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38 | void error(const char *msg) { |
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39 | perror(msg); |
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40 | CkExit(); |
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41 | } |
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42 | |
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43 | void msg_new() { |
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44 | msg.size = 0; |
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45 | msg.pos = 0; |
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46 | msg.data = (uint8_t*) calloc(255, sizeof(char)); |
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47 | } |
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48 | |
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49 | void msg_free() { |
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50 | free(msg.data); |
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51 | } |
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52 | |
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53 | void msg_write(uint8_t cmd, const char *format, ...) { |
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54 | va_list ap; |
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55 | char *str; |
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56 | int len; |
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57 | int old = msg.size; |
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58 | int i; |
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59 | |
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60 | msg.size++; |
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61 | msg.data[msg.size++] = cmd; |
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62 | va_start(ap, format); |
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63 | for (i = 0; i < strlen(format); i++) { |
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64 | switch (format[i]) { |
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65 | case 'b' : |
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66 | msg.data[msg.size++] = (uint8_t) va_arg(ap, int); |
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67 | break; |
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68 | case 'i' : |
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69 | *(uint32_t*) &msg.data[msg.size] = htonl(va_arg(ap, uint32_t)); |
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70 | msg.size += 4; |
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71 | break; |
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72 | case 'd' : |
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73 | *(double*) &msg.data[msg.size] = va_arg(ap, double); |
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74 | msg.size += 8; |
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75 | break; |
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76 | case 's' : |
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77 | str = va_arg(ap, char*); |
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78 | len = strlen(str); |
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79 | *(uint32_t*) &msg.data[msg.size] = htonl(len); |
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80 | msg.size += 4; |
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81 | memcpy(&msg.data[msg.size], str, len); |
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82 | msg.size += len; |
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83 | break; |
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84 | default : |
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85 | break; |
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86 | } |
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87 | } |
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88 | va_end(ap); |
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89 | msg.data[old] = (uint8_t) (msg.size - old); |
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90 | } |
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91 | |
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92 | void msg_send() { |
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93 | int32_t size; |
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94 | int res; |
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95 | |
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96 | size = htonl(msg.size + 4); |
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97 | res = write(sockfd, (char*) &size, 4); |
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98 | if (res < 0) error("ERROR sending message size"); |
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99 | res = write(sockfd, msg.data, msg.size); |
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100 | if (res < 0) error("ERROR sending message data"); |
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101 | free(msg.data); |
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102 | } |
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103 | |
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104 | void msg_recv() { |
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105 | int32_t size; |
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106 | int res; |
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107 | // int i; |
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108 | |
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109 | res = read(sockfd, &size, 4); |
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110 | if (res < 0) error("ERROR receiving message size"); |
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111 | msg.size = ntohl(size) - 4; |
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112 | msg.data = (uint8_t*) calloc(msg.size, sizeof(char)); |
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113 | res = read(sockfd, msg.data, msg.size); |
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114 | if (res < 0) error("ERROR receiving message data"); |
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115 | // printf("### "); |
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116 | // for (i = 0; i < res; i++) { |
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117 | // printf("%02x-", msg.data[i]); |
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118 | // } |
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119 | // printf("\n"); |
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120 | } |
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121 | |
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122 | void msg_read(uint8_t cmd, const char *format, ...) { |
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123 | va_list ap; |
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124 | char *s; |
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125 | uint8_t** str; |
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126 | uint8_t*** lst; |
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127 | uint32_t host; |
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128 | int cnt; |
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129 | int len; |
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130 | int old = msg.pos; |
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131 | uint32_t size; |
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132 | int i; |
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133 | int j; |
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134 | |
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135 | size = (uint8_t) msg.data[msg.pos++]; |
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136 | if (!size) { |
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137 | size = ntohl(*(uint32_t*) &msg.data[msg.pos]); |
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138 | msg.pos += 4; |
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139 | } |
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140 | // printf("CMD: %02X DATA: %02X\n", cmd, msg.data[msg.pos]); |
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141 | assert(cmd == msg.data[msg.pos++]); |
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142 | va_start(ap, format); |
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143 | for (i = 0; i < strlen(format); i++) { |
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144 | switch (format[i]) { |
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145 | case 'B' : |
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146 | assert(va_arg(ap, int) == msg.data[msg.pos++]); |
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147 | break; |
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148 | case 'b' : |
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149 | *va_arg(ap, uint8_t*) = msg.data[msg.pos++]; |
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150 | break; |
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151 | case 'f' : |
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152 | host = ntohl(*(uint32_t*) &msg.data[msg.pos]); |
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153 | msg.pos += 4; |
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154 | *va_arg(ap, float*) = *(float*) &host; |
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155 | break; |
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156 | case 'S' : |
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157 | len = ntohl(*(int32_t*) &msg.data[msg.pos]); |
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158 | msg.pos += 4; |
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159 | s = va_arg(ap, char*); |
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160 | assert(len == strlen(s) && !strncmp((char*) &msg.data[msg.pos], s, len)); |
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161 | msg.pos += len; |
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162 | break; |
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163 | case 's' : |
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164 | len = ntohl(*(int32_t*) &msg.data[msg.pos]); |
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165 | msg.pos += 4; |
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166 | str = va_arg(ap, uint8_t**); |
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167 | *str = (uint8_t*) calloc(1 + len, sizeof(uint8_t)); |
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168 | memcpy(*str, &msg.data[msg.pos], len); |
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169 | msg.pos += len; |
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170 | break; |
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171 | case 'l' : |
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172 | cnt = ntohl(*(uint32_t*) &msg.data[msg.pos]); |
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173 | msg.pos += 4; |
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174 | lst = va_arg(ap, uint8_t***); |
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175 | *lst = (uint8_t**) calloc(1 + cnt, sizeof(uint8_t*)); |
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176 | for (j = 0; j < cnt; j++) { |
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177 | len = ntohl(*(uint32_t*) &msg.data[msg.pos]); |
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178 | msg.pos += 4; |
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179 | (*lst)[j] = (uint8_t*) calloc(1 + len, sizeof(uint8_t)); |
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180 | memcpy((*lst)[j], &msg.data[msg.pos], len); |
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181 | msg.pos += len; |
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182 | } |
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183 | case '#' : |
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184 | assert(msg.pos - old == size); |
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185 | break; |
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186 | default : |
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187 | break; |
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188 | } |
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189 | } |
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190 | va_end(ap); |
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191 | } |
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192 | |
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193 | |
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194 | void do_close() { |
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195 | char *desc; |
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196 | |
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197 | msg_new(); |
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198 | msg_write(0x7f, ""); |
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199 | msg_send(); |
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200 | msg_recv(); |
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201 | |
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202 | msg_read(0x7f, "Bs#", 0x00, &desc); |
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203 | // printf("CLOSE: 0x%02x-%s\n", res, desc); |
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204 | msg_free(); |
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205 | } |
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206 | |
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207 | void do_step() { |
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208 | char *desc; |
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209 | |
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210 | msg_new(); |
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211 | msg_write(0x01, "db", 100000.0, 0); |
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212 | msg_send(); |
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213 | msg_recv(); |
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214 | msg_read(0x01, "Bs#", 0x00, &desc); |
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215 | // printf("STEP: #%s#\n", desc); |
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216 | msg_free(); |
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217 | } |
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218 | |
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219 | void do_steps(int n) { |
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220 | int i; |
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221 | for (i = 0; i < n; i++) { |
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222 | do_step(); |
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223 | } |
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224 | } |
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225 | |
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226 | char **get_edges() { |
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227 | char *desc; |
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228 | char **edges; |
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229 | // int i = 0; |
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230 | |
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231 | msg_new(); |
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232 | msg_write(0xaa, "bs", 0x00, ""); |
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233 | msg_send(); |
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234 | msg_recv(); |
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235 | msg_read(0xaa, "Bs", 0x00, &desc); |
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236 | msg_read(0xba, "BSBl#", 0x00, "", LIST, &edges); |
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237 | // printf("EDGES: "); |
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238 | // while (edges[i]) { |
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239 | // printf("[%s] ", edges[i]); |
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240 | // i++; |
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241 | // } |
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242 | // printf("\n"); |
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243 | msg_free(); |
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244 | |
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245 | return edges; |
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246 | } |
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247 | |
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248 | char **get_lanes() { |
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249 | char *desc; |
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250 | char **lanes; |
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251 | // int i = 0; |
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252 | |
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253 | msg_new(); |
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254 | msg_write(0xa3, "bs", 0x00, ""); |
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255 | msg_send(); |
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256 | msg_recv(); |
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257 | msg_read(0xa3, "Bs", 0x00, &desc); |
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258 | msg_read(0xb3, "BSBl#", 0x00, "", LIST, &lanes); |
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259 | // printf("LANES: "); |
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260 | // while (lanes[i]) { |
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261 | // printf("{%s} ", lanes[i]); |
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262 | // i++; |
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263 | // } |
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264 | // printf("\n"); |
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265 | msg_free(); |
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266 | |
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267 | return lanes; |
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268 | } |
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269 | |
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270 | char *get_lane_edge(char *lane) { |
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271 | char *desc; |
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272 | char *edge; |
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273 | |
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274 | msg_new(); |
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275 | msg_write(0xa3, "bs", 0x31, lane); |
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276 | msg_send(); |
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277 | msg_recv(); |
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278 | msg_read(0xa3, "Bs", 0x00, &desc); |
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279 | msg_read(0xb3, "BSBs#", 0x31, lane, STRING, &edge); |
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280 | msg_free(); |
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281 | |
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282 | return edge; |
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283 | } |
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284 | |
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285 | float get_lane_length(char *lane) { |
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286 | char *desc; |
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287 | float length; |
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288 | |
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289 | msg_new(); |
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290 | msg_write(0xa3, "bs", 0x44, lane); |
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291 | msg_send(); |
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292 | msg_recv(); |
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293 | msg_read(0xa3, "Bs", 0x00, &desc); |
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294 | msg_read(0xb3, "BSBf#", 0x44, lane, FLOAT, &length); |
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295 | msg_free(); |
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296 | |
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297 | return length; |
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298 | } |
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299 | |
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300 | float *get_edge_lengths(char **edges) { |
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301 | int count; |
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302 | float *lengths; |
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303 | char **lanes; |
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304 | int i, j; |
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305 | |
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306 | printf("HERE\n"); |
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307 | lanes = get_lanes(); |
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308 | count = 0; |
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309 | while (edges[count++]); |
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310 | printf("HERE\n"); |
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311 | lengths = (float*) calloc(count, sizeof(float)); |
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312 | for (i = 0; lanes[i]; i++) { |
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313 | char *edge = get_lane_edge(lanes[i]); |
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314 | float length = get_lane_length(lanes[i]); |
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315 | for (j = 0; edges[j]; j++) { |
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316 | if (!strcmp(edges[j], edge)) { |
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317 | lengths[j] = length; |
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318 | break; |
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319 | } |
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320 | } |
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321 | } |
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322 | for (i = 0; edges[i]; i++) { |
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323 | printf("LENGTH OF [%s] is %f\n", edges[i], lengths[i]); |
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324 | } |
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325 | |
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326 | return lengths; |
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327 | } |
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328 | |
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329 | char **get_edge_vehicles(char *edge) { |
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330 | char *desc; |
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331 | char **vehicles; |
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332 | int i = 0; |
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333 | |
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334 | msg_new(); |
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335 | msg_write(0xaa, "bs", 0x12, edge); |
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336 | msg_send(); |
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337 | msg_recv(); |
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338 | msg_read(0xaa, "Bs", 0x00, &desc); |
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339 | msg_read(0xba, "BSBl#", 0x12, edge, LIST, &vehicles); |
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340 | // printf("VEHICLES: 0x%02x-#%s#\n", res, desc); |
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341 | // printf("ON #%s#: ", edge); |
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342 | // while (vehicles[i]) { |
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343 | // printf("<%s> ", vehicles[i]); |
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344 | // i++; |
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345 | // } |
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346 | // printf("\n"); |
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347 | msg_free(); |
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348 | |
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349 | return vehicles; |
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350 | } |
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351 | |
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352 | float get_vehicle_speed(char *vehicle) { |
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353 | char *desc; |
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354 | float speed; |
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355 | |
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356 | msg_new(); |
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357 | msg_write(0xa4, "bs", 0x40, vehicle); |
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358 | msg_send(); |
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359 | msg_recv(); |
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360 | msg_read(0xa4, "Bs", 0x00, &desc); |
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361 | msg_read(0xb4, "BSBf#", 0x40, vehicle, FLOAT, &speed); |
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362 | // printf("SPEED: 0x%02x-#%s#\n", res, desc); |
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363 | // printf("speed is %f\n", speed); |
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364 | msg_free(); |
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365 | |
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366 | return speed; |
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367 | } |
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368 | }; |
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369 | |
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370 | /*array [1D]*/ |
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371 | class Hello : public CBase_Hello, public Base { |
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372 | private : |
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373 | char *edge; |
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374 | public: |
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375 | Hello() { |
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376 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
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377 | if (sockfd < 0) |
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378 | error("ERROR opening socket"); |
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379 | retry: |
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380 | if (connect(sockfd,(struct sockaddr*) &serv_addr,sizeof(serv_addr)) < 0) |
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381 | if (errno == EINTR || errno == EAGAIN) |
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382 | goto retry; |
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383 | else |
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384 | error("ERROR connecting"); |
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385 | edge = edges[CkMyPe()]; |
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386 | } |
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387 | |
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388 | Hello(CkMigrateMessage *m) {} |
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389 | |
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390 | void work() { |
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391 | int j; |
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392 | float speed = 0; |
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393 | char **vehicles = get_edge_vehicles(edge); |
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394 | for (j = 0; vehicles[j]; j++) { |
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395 | speed += get_vehicle_speed(vehicles[j]); |
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396 | } |
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397 | free(vehicles); |
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398 | speed /= j; |
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399 | CkPrintf("speed is %f\n", speed); |
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400 | |
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401 | mainProxy.done(); |
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402 | } |
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403 | }; |
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404 | |
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405 | /*mainchare*/ |
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406 | class Main : public CBase_Main, public Base { |
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407 | private : |
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408 | CProxy_Hello arr; |
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409 | int count; |
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410 | int step; |
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411 | public: |
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412 | Main(CkArgMsg* m) { |
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413 | uint16_t port; |
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414 | struct hostent *server; |
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415 | |
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416 | count = 0; |
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417 | step = 0; |
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418 | |
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419 | if (m->argc < 3) { |
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420 | fprintf(stderr,"usage %s hostname port\n", m->argv[0]); |
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421 | exit(0); |
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422 | } |
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423 | port = htons(atoi(m->argv[2])); |
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424 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
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425 | if (sockfd < 0) |
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426 | error("ERROR opening socket"); |
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427 | server = gethostbyname(m->argv[1]); |
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428 | if (server == NULL) { |
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429 | fprintf(stderr,"ERROR, no such host\n"); |
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430 | exit(0); |
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431 | } |
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432 | bzero((char *) &serv_addr, sizeof(serv_addr)); |
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433 | serv_addr.sin_family = AF_INET; |
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434 | bcopy((char *)server->h_addr, (char *)&serv_addr.sin_addr.s_addr, server->h_length); |
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435 | serv_addr.sin_port = port; |
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436 | if (connect(sockfd,(struct sockaddr*) &serv_addr,sizeof(serv_addr)) < 0) |
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437 | error("ERROR connecting"); |
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438 | |
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439 | edges = get_edges(); |
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440 | nElements = 0; |
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441 | while (edges[nElements++]); |
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442 | |
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443 | //Start the computation |
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444 | CkPrintf("Running Hello on %d processors for %d elements\n", CkNumPes(),nElements); |
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445 | mainProxy = thisProxy; |
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446 | |
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447 | arr = CProxy_Hello::ckNew(nElements); |
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448 | for (int i = 0; i < nElements; i++) { |
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449 | arr[i].work(); |
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450 | } |
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451 | } |
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452 | |
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453 | void done(void) { |
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454 | count++; |
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455 | if (count == nElements) { |
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456 | do_step(); |
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457 | step++; |
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458 | if (step == 20) { |
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459 | CkExit(); |
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460 | } else { |
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461 | count = 0; |
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462 | for (int i = 0; i < nElements; i++) { |
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463 | arr[i].work(); |
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464 | } |
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465 | } |
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466 | } |
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467 | } |
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468 | }; |
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469 | |
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470 | |
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471 | |
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472 | |
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473 | /* |
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474 | int main(int argc, char* argv[]) { |
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475 | FILE *fout; |
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476 | |
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477 | int portno; |
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478 | struct sockaddr_in serv_addr; |
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479 | struct hostent *server; |
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480 | |
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481 | int step; |
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482 | |
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483 | char **edges; |
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484 | char **vehicles; |
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485 | float speed; |
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486 | float *lengths; |
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487 | int i, j; |
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488 | |
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489 | if (argc < 3) { |
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490 | fprintf(stderr,"usage %s hostname port\n", argv[0]); |
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491 | exit(0); |
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492 | } |
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493 | portno = atoi(argv[2]); |
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494 | sockfd = socket(AF_INET, SOCK_STREAM, 0); |
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495 | if (sockfd < 0) |
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496 | error("ERROR opening socket"); |
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497 | server = gethostbyname(argv[1]); |
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498 | if (server == NULL) { |
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499 | fprintf(stderr,"ERROR, no such host\n"); |
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500 | exit(0); |
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501 | } |
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502 | bzero((char *) &serv_addr, sizeof(serv_addr)); |
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503 | serv_addr.sin_family = AF_INET; |
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504 | bcopy((char *)server->h_addr, (char *)&serv_addr.sin_addr.s_addr, server->h_length); |
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505 | serv_addr.sin_port = htons(portno); |
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506 | if (connect(sockfd,(struct sockaddr*) &serv_addr,sizeof(serv_addr)) < 0) |
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507 | error("ERROR connecting"); |
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508 | |
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509 | fout = fopen("results.txt", "w"); |
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510 | |
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511 | edges = get_edges(); |
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512 | lengths = get_edge_lengths(edges); |
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513 | for (step = 0; step < 1; step++) { |
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514 | printf("Step %03i ... ", step + 1); |
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515 | do_step(); |
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516 | for (i = 0; edges[i] && i < 20; i++) { |
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517 | speed = 0; |
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518 | vehicles = get_edge_vehicles(edges[i]); |
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519 | for (j = 0; vehicles[j]; j++) { |
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520 | speed += get_vehicle_speed(vehicles[j]); |
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521 | } |
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522 | free(vehicles); |
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523 | speed /= j; |
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524 | fprintf(fout, "%f\t", speed); |
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525 | } |
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526 | free(edges); |
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527 | fprintf(fout, "\n"); |
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528 | printf("OK\n"); |
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529 | } |
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530 | do_close(); |
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531 | |
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532 | fclose(fout); |
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533 | |
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534 | return 0; |
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535 | } |
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536 | |
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537 | */ |
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538 | |
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539 | |
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540 | |
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541 | |
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542 | |
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543 | |
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544 | |
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545 | #include "hello.def.h" |
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