root / trunk / code / projects / libwireless / logger / analysis / analysis.c @ 179
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#include <stdlib.h> |
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#include <stdio.h> |
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#define MAX_ROBOTS 20 |
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// all times in milliseconds
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typedef struct RobotDef |
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{
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int alive;
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//times when we last sent a packet
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int join_time;
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int bom_on_time;
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// passed to us
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int token_passed_time;
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// passed from us
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int token_pass_time;
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//time we have spent in a given state
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int total_join_time;
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int total_token_held_time;
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int total_token_waiting_time;
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// delay between sent to us and our BOM on packet
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int total_token_delay_time;
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// times each state has occurred
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int join_count;
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int bom_on_count;
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int token_pass_count;
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int token_passed_count;
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int death_count;
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} Robot; |
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Robot robots[MAX_ROBOTS]; |
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int main(int argc, char** argv) |
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{
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if (argc < 2) |
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{
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printf("Must specify a log file to analyze.\n");
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return 0; |
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} |
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FILE* f = fopen(argv[1], "r"); |
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if (f == NULL) |
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{
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printf("Failed to open %s.\n", argv[1]); |
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return 0; |
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} |
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int i;
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for (i = 0; i < MAX_ROBOTS; i++) |
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{
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robots[i].alive = 0;
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robots[i].join_time = -1;
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robots[i].bom_on_time = -1;
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robots[i].token_passed_time = -1;
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robots[i].token_pass_time = -1;
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robots[i].total_join_time = 0;
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robots[i].total_token_delay_time = 0;
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robots[i].total_token_held_time = 0;
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robots[i].total_token_waiting_time = 0;
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robots[i].join_count = 0;
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robots[i].bom_on_count = 0;
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robots[i].token_pass_count = 0;
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robots[i].token_passed_count = 0;
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robots[i].death_count = 0;
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} |
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int time;
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while (!feof(f))
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{
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int minutes, seconds, millis, robot;
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int ret = fscanf(f, "%d:%d.%d: Robot %d ", &minutes, &seconds, &millis, &robot); |
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if (ret != 4) |
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{
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printf("Error reading times in file.\n");
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exit(0);
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} |
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time = (60 * minutes + seconds) * 1000 + millis; |
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char c = fgetc(f);
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//token passed
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if (c == 'p') |
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{
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int nextRobot;
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ret = fscanf(f, "assed the token to robot %d. Sensor mat", &nextRobot);
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if (ret != 1) |
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{
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printf("Error readings token passed.\n");
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exit(0);
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} |
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int oldalive[MAX_ROBOTS];
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for (i = 0; i < MAX_ROBOTS; i++) |
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{
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oldalive[i] = robots[i].alive; |
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robots[i].alive = 0;
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} |
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c = fgetc(f); |
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while (c != '\n') c = fgetc(f); |
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do
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{
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int r, reading;
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ret = fscanf(f, "(%d %d)", &r, &reading);
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if (ret != 2) |
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{
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break;
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} |
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robots[r].alive = 1;
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} while(1); |
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robots[robot].alive = 1;
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for (i = 0; i < MAX_ROBOTS; i++) |
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if (!robots[i].alive && oldalive[i])
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robots[i].death_count++; |
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robots[robot].token_pass_time = time; |
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if (robots[robot].bom_on_time != -1) |
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{
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robots[robot].token_pass_count++; |
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robots[robot].total_token_held_time += time - robots[robot].bom_on_time; |
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robots[robot].bom_on_time = -1;
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} |
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if (robots[robot].join_time != -1) |
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{
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robots[robot].total_join_time += time - robots[robot].join_time; |
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robots[robot].join_time = -1;
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} |
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robots[nextRobot].token_passed_time = time; |
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robots[nextRobot].token_passed_count++; |
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if (robots[nextRobot].token_pass_time != -1) |
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{
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robots[nextRobot].total_token_waiting_time += time - robots[nextRobot].token_pass_time; |
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robots[nextRobot].token_pass_time = -1;
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} |
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} |
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else
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{
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ret = fscanf(f, "as ");
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if (ret != 0) |
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{
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printf("Error reading line, unexpected value.\n");
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exit(0);
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} |
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char c = fgetc(f);
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// bom on
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if (c == 't') |
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{
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ret = fscanf(f, "urned its BOM on.\n");
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if (ret != 0) |
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{
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printf("Expected BOM on.\n");
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exit(0);
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} |
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robots[robot].bom_on_time = time; |
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if (robots[robot].token_passed_time != -1) |
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{
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robots[robot].bom_on_count++; |
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robots[robot].total_token_delay_time += time - robots[robot].token_passed_time; |
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} |
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} |
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// join request
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else if (c == 'r') |
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{
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ret = fscanf(f, "equested to join the token ring.\n");
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if (ret != 0) |
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{
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printf("Expected join request.\n");
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exit(0);
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} |
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robots[robot].join_time = time; |
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robots[robot].join_count++; |
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} |
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else
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{
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printf("Unexpected line.\n");
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exit(0);
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} |
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} |
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} |
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int end_time = time;
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// analyze information
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int join_time = 0, token_held_time = 0, token_waiting_time = 0, token_delay_time = 0; |
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int token_passed_count = 0, death_count = 0, join_count = 0; |
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int num_robots = 0;; |
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for (i = 0; i < MAX_ROBOTS; i++) |
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{
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if (robots[i].token_pass_count != 0) |
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num_robots++; |
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join_time += robots[i].total_join_time; |
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token_held_time += robots[i].total_token_held_time; |
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token_waiting_time += robots[i].total_token_waiting_time; |
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token_delay_time += robots[i].total_token_delay_time; |
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token_passed_count += robots[i].token_passed_count; |
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death_count += robots[i].death_count; |
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join_count += robots[i].join_count; |
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} |
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int join_average = join_time / join_count;
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int token_held_average = token_held_time / token_passed_count;
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int token_waiting_average = token_waiting_time / token_passed_count;
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int token_delay_average = token_delay_time / token_passed_count;
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// display information
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printf("Robots:\t\t\t\t\t\t%d\n", num_robots);
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printf("Time (seconds):\t\t\t\t\t%d\n", end_time / 1000 + 1); |
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printf("Deaths:\t\t\t\t\t\t%d\n", death_count);
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printf("\n");
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printf("Deaths per Minute:\t\t\t\t%.2g\n", (double)death_count / end_time * 1000 * 60); |
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printf("Rejoin Time (seconds):\t\t\t\t%.3g\n", (double)join_average / 1000); |
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printf("Seconds Between BOM Flash and Token Sent:\t%.3g\n",(double)token_held_average / 1000); |
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printf("Seconds Between Token Sent and Token Returned:\t%.3g\n", (double)token_waiting_average / 1000); |
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printf("Seconds Between Token Sent and BOM Flash:\t%.3g\n", (double)token_delay_average / 1000); |
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printf("\n");
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printf("Token Passes per Second:\t\t\t%.3g\n", (double)token_passed_count / end_time * 1000); |
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printf("\n");
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printf("Deaths per Robot per Minute:\t\t\t%.2g\n", (double)death_count / end_time * 1000 * 60 / num_robots); |
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printf("Token Passes per Robot per Second:\t\t%.2g\n", (double)token_passed_count / end_time * 1000 / num_robots); |
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} |
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