[851] | 1 | #include <stdlib.h> |
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| 2 | #include <stdio.h> |
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| 3 | #include <string.h> |
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| 4 | #include <stdint.h> |
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| 5 | #include <sys/time.h> |
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| 6 | #include <unistd.h> |
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| 7 | |
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| 8 | |
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| 9 | #include <ctype.h> |
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| 10 | |
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| 11 | #include <amqp.h> |
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| 12 | #include <amqp_framing.h> |
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| 13 | |
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| 14 | #include "utils.h" |
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| 15 | |
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| 16 | |
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| 17 | #define SUMMARY_EVERY_US 1000000 |
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| 18 | |
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| 19 | |
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| 20 | |
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| 21 | |
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| 22 | uint64_t now_microseconds(void) |
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| 23 | { |
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| 24 | struct timeval tv; |
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| 25 | gettimeofday(&tv, NULL); |
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| 26 | return (uint64_t) tv.tv_sec * 1000000 + (uint64_t) tv.tv_usec; |
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| 27 | } |
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| 28 | |
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| 29 | void microsleep(int usec) |
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| 30 | { |
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| 31 | usleep(usec); |
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| 32 | } |
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| 33 | |
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| 34 | void die_on_error(int x, char const *context) { |
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| 35 | if (x < 0) { |
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| 36 | char *errstr = amqp_error_string(-x); |
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| 37 | fprintf(stderr, "%s: %s\n", context, errstr); |
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| 38 | free(errstr); |
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| 39 | exit(1); |
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| 40 | } |
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| 41 | } |
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| 42 | |
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| 43 | void die_on_amqp_error(amqp_rpc_reply_t x, char const *context) { |
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| 44 | switch (x.reply_type) { |
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| 45 | case AMQP_RESPONSE_NORMAL: |
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| 46 | return; |
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| 47 | |
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| 48 | case AMQP_RESPONSE_NONE: |
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| 49 | fprintf(stderr, "%s: missing RPC reply type!\n", context); |
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| 50 | break; |
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| 51 | |
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| 52 | case AMQP_RESPONSE_LIBRARY_EXCEPTION: |
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| 53 | fprintf(stderr, "%s: %s\n", context, amqp_error_string(x.library_error)); |
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| 54 | break; |
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| 55 | |
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| 56 | case AMQP_RESPONSE_SERVER_EXCEPTION: |
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| 57 | switch (x.reply.id) { |
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| 58 | case AMQP_CONNECTION_CLOSE_METHOD: { |
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| 59 | amqp_connection_close_t *m = (amqp_connection_close_t *) x.reply.decoded; |
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| 60 | fprintf(stderr, "%s: server connection error %d, message: %.*s\n", |
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| 61 | context, |
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| 62 | m->reply_code, |
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| 63 | (int) m->reply_text.len, (char *) m->reply_text.bytes); |
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| 64 | break; |
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| 65 | } |
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| 66 | case AMQP_CHANNEL_CLOSE_METHOD: { |
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| 67 | amqp_channel_close_t *m = (amqp_channel_close_t *) x.reply.decoded; |
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| 68 | fprintf(stderr, "%s: server channel error %d, message: %.*s\n", |
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| 69 | context, |
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| 70 | m->reply_code, |
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| 71 | (int) m->reply_text.len, (char *) m->reply_text.bytes); |
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| 72 | break; |
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| 73 | } |
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| 74 | default: |
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| 75 | fprintf(stderr, "%s: unknown server error, method id 0x%08X\n", context, x.reply.id); |
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| 76 | break; |
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| 77 | } |
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| 78 | break; |
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| 79 | } |
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| 80 | |
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| 81 | exit(1); |
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| 82 | } |
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| 83 | |
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| 84 | static void send_batch(amqp_connection_state_t conn, char const *queue_name, int rate_limit, int message_count) |
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| 85 | { |
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| 86 | uint64_t start_time = now_microseconds(); |
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| 87 | int i; |
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| 88 | int sent = 0; |
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| 89 | int previous_sent = 0; |
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| 90 | uint64_t previous_report_time = start_time; |
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| 91 | uint64_t next_summary_time = start_time + SUMMARY_EVERY_US; |
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| 92 | |
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| 93 | char message[256]; |
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| 94 | amqp_bytes_t message_bytes; |
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| 95 | |
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| 96 | for (i = 0; i < (int)sizeof(message); i++) { |
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| 97 | message[i] = i & 0xff; |
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| 98 | } |
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| 99 | |
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| 100 | message_bytes.len = sizeof(message); |
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| 101 | message_bytes.bytes = message; |
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| 102 | |
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| 103 | for (i = 0; i < message_count; i++) { |
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| 104 | uint64_t now = now_microseconds(); |
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| 105 | |
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| 106 | die_on_error(amqp_basic_publish(conn, 1, amqp_cstring_bytes("amq.direct"), amqp_cstring_bytes(queue_name), 0, 0, NULL, message_bytes), "Publishing"); |
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| 107 | sent++; |
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| 108 | if (now > next_summary_time) { |
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| 109 | int countOverInterval = sent - previous_sent; |
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| 110 | double intervalRate = countOverInterval / ((now - previous_report_time) / 1000000.0); |
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| 111 | printf("%d ms: Sent %d - %d since last report (%d Hz)\n", (int)(now - start_time) / 1000, sent, countOverInterval, (int) intervalRate); |
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| 112 | |
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| 113 | previous_sent = sent; |
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| 114 | previous_report_time = now; |
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| 115 | next_summary_time += SUMMARY_EVERY_US; |
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| 116 | } |
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| 117 | |
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| 118 | while (((i * 1000000.0) / (now - start_time)) > rate_limit) { |
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| 119 | microsleep(2000); |
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| 120 | now = now_microseconds(); |
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| 121 | } |
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| 122 | } |
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| 123 | |
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| 124 | { |
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| 125 | uint64_t stop_time = now_microseconds(); |
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| 126 | int total_delta = stop_time - start_time; |
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| 127 | |
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| 128 | printf("PRODUCER - Message count: %d\n", message_count); |
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| 129 | printf("Total time, milliseconds: %d\n", total_delta / 1000); |
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| 130 | printf("Overall messages-per-second: %g\n", (message_count / (total_delta / 1000000.0))); |
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| 131 | } |
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| 132 | } |
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| 133 | |
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| 134 | int main(int argc, char const * const *argv) { |
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| 135 | char const *hostname; |
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| 136 | int port; |
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| 137 | int rate_limit; |
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| 138 | int message_count; |
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| 139 | int sockfd; |
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| 140 | amqp_connection_state_t conn; |
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| 141 | |
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| 142 | if (argc < 5) { |
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| 143 | fprintf(stderr, "Usage: amqp_producer host port rate_limit message_count\n"); |
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| 144 | return 1; |
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| 145 | } |
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| 146 | |
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| 147 | hostname = argv[1]; |
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| 148 | port = atoi(argv[2]); |
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| 149 | rate_limit = atoi(argv[3]); |
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| 150 | message_count = atoi(argv[4]); |
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| 151 | |
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| 152 | conn = amqp_new_connection(); |
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| 153 | |
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| 154 | die_on_error(sockfd = amqp_open_socket(hostname, port), "Opening socket"); |
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| 155 | |
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| 156 | amqp_set_sockfd(conn, sockfd); |
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| 157 | |
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| 158 | die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"), "Logging in"); |
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| 159 | |
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| 160 | amqp_channel_open(conn, 1); |
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| 161 | |
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| 162 | die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel"); |
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| 163 | |
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| 164 | send_batch(conn, "test queue", rate_limit, message_count); |
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| 165 | |
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| 166 | die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel"); |
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| 167 | die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection"); |
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| 168 | die_on_error(amqp_destroy_connection(conn), "Ending connection"); |
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| 169 | |
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| 170 | return 0; |
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| 171 | } |
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