1 | #include "libtrace.h" |
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2 | #include "libtrace_int.h" |
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3 | #include "data-struct/deque.h" |
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4 | #include <assert.h> |
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5 | #include <stdlib.h> |
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6 | |
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7 | static int init_combiner(libtrace_t *t, libtrace_combine_t *c) { |
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8 | int i = 0; |
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9 | assert(libtrace_get_perpkt_count(t) > 0); |
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10 | libtrace_queue_t *queues; |
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11 | c->queues = calloc(sizeof(libtrace_queue_t), libtrace_get_perpkt_count(t)); |
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12 | queues = c->queues; |
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13 | for (i = 0; i < libtrace_get_perpkt_count(t); ++i) { |
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14 | libtrace_deque_init(&queues[i], sizeof(libtrace_result_t)); |
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15 | } |
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16 | return 0; |
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17 | } |
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18 | |
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19 | static void publish(libtrace_t *trace, int t_id, libtrace_combine_t *c, libtrace_result_t *res) { |
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20 | libtrace_queue_t *queue = &((libtrace_queue_t*)c->queues)[t_id]; |
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21 | if (libtrace_deque_get_size(queue) >= trace->config.reporter_thold) { |
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22 | trace_post_reporter(trace); |
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23 | } |
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24 | libtrace_deque_push_back(queue, res); // Automatically locking for us :) |
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25 | } |
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26 | |
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27 | static void read(libtrace_t *trace, libtrace_combine_t *c){ |
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28 | libtrace_queue_t *queues = c->queues; |
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29 | int i; |
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30 | |
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31 | /* Loop through and read all that are here */ |
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32 | for (i = 0; i < libtrace_get_perpkt_count(trace); ++i) { |
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33 | libtrace_queue_t *v = &queues[i]; |
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34 | while (libtrace_deque_get_size(v) != 0) { |
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35 | libtrace_result_t r; |
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36 | ASSERT_RET (libtrace_deque_pop_front(v, (void *) &r), == 1); |
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37 | trace->reporter(trace, &r, NULL); |
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38 | } |
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39 | } |
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40 | } |
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41 | |
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42 | static void destroy(libtrace_t *trace, libtrace_combine_t *c) { |
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43 | int i; |
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44 | libtrace_queue_t *queues = c->queues; |
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45 | |
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46 | for (i = 0; i < libtrace_get_perpkt_count(trace); i++) { |
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47 | assert(libtrace_deque_get_size(&queues[i]) == 0); |
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48 | } |
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49 | free(queues); |
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50 | queues = NULL; |
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51 | } |
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52 | |
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53 | DLLEXPORT const libtrace_combine_t combiner_unordered = { |
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54 | init_combiner, /* initialise */ |
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55 | destroy, /* destroy */ |
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56 | publish, /* publish */ |
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57 | read, /* read */ |
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58 | read, /* read_final */ |
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59 | read, /* pause */ |
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60 | NULL, /* queues */ |
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61 | {0} /* opts */ |
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62 | }; |
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