[852] | 1 | #include <stdlib.h> |
---|
| 2 | #include <stdio.h> |
---|
| 3 | #include <string.h> |
---|
| 4 | #include <stdint.h> |
---|
| 5 | #include <sys/time.h> |
---|
| 6 | #include <unistd.h> |
---|
| 7 | |
---|
| 8 | |
---|
| 9 | #include <ctype.h> |
---|
| 10 | |
---|
| 11 | #include <amqp.h> |
---|
| 12 | #include <amqp_framing.h> |
---|
| 13 | |
---|
| 14 | #include <assert.h> |
---|
| 15 | |
---|
| 16 | #include "utils.h" |
---|
| 17 | |
---|
| 18 | |
---|
| 19 | #define SUMMARY_EVERY_US 1000000 |
---|
| 20 | |
---|
| 21 | |
---|
| 22 | |
---|
| 23 | |
---|
| 24 | uint64_t now_microseconds(void) |
---|
| 25 | { |
---|
| 26 | struct timeval tv; |
---|
| 27 | gettimeofday(&tv, NULL); |
---|
| 28 | return (uint64_t) tv.tv_sec * 1000000 + (uint64_t) tv.tv_usec; |
---|
| 29 | } |
---|
| 30 | |
---|
| 31 | void microsleep(int usec) |
---|
| 32 | { |
---|
| 33 | usleep(usec); |
---|
| 34 | } |
---|
| 35 | |
---|
| 36 | void die_on_error(int x, char const *context) { |
---|
| 37 | if (x < 0) { |
---|
| 38 | char *errstr = amqp_error_string(-x); |
---|
| 39 | fprintf(stderr, "%s: %s\n", context, errstr); |
---|
| 40 | free(errstr); |
---|
| 41 | exit(1); |
---|
| 42 | } |
---|
| 43 | } |
---|
| 44 | |
---|
| 45 | void die_on_amqp_error(amqp_rpc_reply_t x, char const *context) { |
---|
| 46 | switch (x.reply_type) { |
---|
| 47 | case AMQP_RESPONSE_NORMAL: |
---|
| 48 | return; |
---|
| 49 | |
---|
| 50 | case AMQP_RESPONSE_NONE: |
---|
| 51 | fprintf(stderr, "%s: missing RPC reply type!\n", context); |
---|
| 52 | break; |
---|
| 53 | |
---|
| 54 | case AMQP_RESPONSE_LIBRARY_EXCEPTION: |
---|
| 55 | fprintf(stderr, "%s: %s\n", context, amqp_error_string(x.library_error)); |
---|
| 56 | break; |
---|
| 57 | |
---|
| 58 | case AMQP_RESPONSE_SERVER_EXCEPTION: |
---|
| 59 | switch (x.reply.id) { |
---|
| 60 | case AMQP_CONNECTION_CLOSE_METHOD: { |
---|
| 61 | amqp_connection_close_t *m = (amqp_connection_close_t *) x.reply.decoded; |
---|
| 62 | fprintf(stderr, "%s: server connection error %d, message: %.*s\n", |
---|
| 63 | context, |
---|
| 64 | m->reply_code, |
---|
| 65 | (int) m->reply_text.len, (char *) m->reply_text.bytes); |
---|
| 66 | break; |
---|
| 67 | } |
---|
| 68 | case AMQP_CHANNEL_CLOSE_METHOD: { |
---|
| 69 | amqp_channel_close_t *m = (amqp_channel_close_t *) x.reply.decoded; |
---|
| 70 | fprintf(stderr, "%s: server channel error %d, message: %.*s\n", |
---|
| 71 | context, |
---|
| 72 | m->reply_code, |
---|
| 73 | (int) m->reply_text.len, (char *) m->reply_text.bytes); |
---|
| 74 | break; |
---|
| 75 | } |
---|
| 76 | default: |
---|
| 77 | fprintf(stderr, "%s: unknown server error, method id 0x%08X\n", context, x.reply.id); |
---|
| 78 | break; |
---|
| 79 | } |
---|
| 80 | break; |
---|
| 81 | } |
---|
| 82 | |
---|
| 83 | exit(1); |
---|
| 84 | } |
---|
| 85 | |
---|
| 86 | static void dump_row(long count, int numinrow, int *chs) { |
---|
| 87 | int i; |
---|
| 88 | |
---|
| 89 | printf("%08lX:", count - numinrow); |
---|
| 90 | |
---|
| 91 | if (numinrow > 0) { |
---|
| 92 | for (i = 0; i < numinrow; i++) { |
---|
| 93 | if (i == 8) |
---|
| 94 | printf(" :"); |
---|
| 95 | printf(" %02X", chs[i]); |
---|
| 96 | } |
---|
| 97 | for (i = numinrow; i < 16; i++) { |
---|
| 98 | if (i == 8) |
---|
| 99 | printf(" :"); |
---|
| 100 | printf(" "); |
---|
| 101 | } |
---|
| 102 | printf(" "); |
---|
| 103 | for (i = 0; i < numinrow; i++) { |
---|
| 104 | if (isprint(chs[i])) |
---|
| 105 | printf("%c", chs[i]); |
---|
| 106 | else |
---|
| 107 | printf("."); |
---|
| 108 | } |
---|
| 109 | } |
---|
| 110 | printf("\n"); |
---|
| 111 | } |
---|
| 112 | |
---|
| 113 | static int rows_eq(int *a, int *b) { |
---|
| 114 | int i; |
---|
| 115 | |
---|
| 116 | for (i=0; i<16; i++) |
---|
| 117 | if (a[i] != b[i]) |
---|
| 118 | return 0; |
---|
| 119 | |
---|
| 120 | return 1; |
---|
| 121 | } |
---|
| 122 | |
---|
| 123 | void amqp_dump(void const *buffer, size_t len) { |
---|
| 124 | unsigned char *buf = (unsigned char *) buffer; |
---|
| 125 | long count = 0; |
---|
| 126 | int numinrow = 0; |
---|
| 127 | int chs[16]; |
---|
| 128 | int oldchs[16] = {0}; |
---|
| 129 | int showed_dots = 0; |
---|
| 130 | size_t i; |
---|
| 131 | |
---|
| 132 | for (i = 0; i < len; i++) { |
---|
| 133 | int ch = buf[i]; |
---|
| 134 | |
---|
| 135 | if (numinrow == 16) { |
---|
| 136 | int i; |
---|
| 137 | |
---|
| 138 | if (rows_eq(oldchs, chs)) { |
---|
| 139 | if (!showed_dots) { |
---|
| 140 | showed_dots = 1; |
---|
| 141 | printf(" .. .. .. .. .. .. .. .. : .. .. .. .. .. .. .. ..\n"); |
---|
| 142 | } |
---|
| 143 | } else { |
---|
| 144 | showed_dots = 0; |
---|
| 145 | dump_row(count, numinrow, chs); |
---|
| 146 | } |
---|
| 147 | |
---|
| 148 | for (i=0; i<16; i++) |
---|
| 149 | oldchs[i] = chs[i]; |
---|
| 150 | |
---|
| 151 | numinrow = 0; |
---|
| 152 | } |
---|
| 153 | |
---|
| 154 | count++; |
---|
| 155 | chs[numinrow++] = ch; |
---|
| 156 | } |
---|
| 157 | |
---|
| 158 | dump_row(count, numinrow, chs); |
---|
| 159 | |
---|
| 160 | if (numinrow != 0) |
---|
| 161 | printf("%08lX:\n", count); |
---|
| 162 | } |
---|
| 163 | |
---|
| 164 | static void run(amqp_connection_state_t conn) |
---|
| 165 | { |
---|
| 166 | uint64_t start_time = now_microseconds(); |
---|
| 167 | int received = 0; |
---|
| 168 | int previous_received = 0; |
---|
| 169 | uint64_t previous_report_time = start_time; |
---|
| 170 | uint64_t next_summary_time = start_time + SUMMARY_EVERY_US; |
---|
| 171 | |
---|
| 172 | amqp_frame_t frame; |
---|
| 173 | int result; |
---|
| 174 | size_t body_received; |
---|
| 175 | size_t body_target; |
---|
| 176 | |
---|
| 177 | uint64_t now; |
---|
| 178 | |
---|
| 179 | while (1) { |
---|
| 180 | now = now_microseconds(); |
---|
| 181 | if (now > next_summary_time) { |
---|
| 182 | int countOverInterval = received - previous_received; |
---|
| 183 | double intervalRate = countOverInterval / ((now - previous_report_time) / 1000000.0); |
---|
| 184 | printf("%d ms: Received %d - %d since last report (%d Hz)\n", |
---|
| 185 | (int)(now - start_time) / 1000, received, countOverInterval, (int) intervalRate); |
---|
| 186 | |
---|
| 187 | previous_received = received; |
---|
| 188 | previous_report_time = now; |
---|
| 189 | next_summary_time += SUMMARY_EVERY_US; |
---|
| 190 | } |
---|
| 191 | |
---|
| 192 | amqp_maybe_release_buffers(conn); |
---|
| 193 | result = amqp_simple_wait_frame(conn, &frame); |
---|
| 194 | if (result < 0) |
---|
| 195 | return; |
---|
| 196 | |
---|
| 197 | if (frame.frame_type != AMQP_FRAME_METHOD) |
---|
| 198 | continue; |
---|
| 199 | |
---|
| 200 | if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD) |
---|
| 201 | continue; |
---|
| 202 | |
---|
| 203 | result = amqp_simple_wait_frame(conn, &frame); |
---|
| 204 | if (result < 0) |
---|
| 205 | return; |
---|
| 206 | |
---|
| 207 | if (frame.frame_type != AMQP_FRAME_HEADER) { |
---|
| 208 | fprintf(stderr, "Expected header!"); |
---|
| 209 | abort(); |
---|
| 210 | } |
---|
| 211 | |
---|
| 212 | body_target = frame.payload.properties.body_size; |
---|
| 213 | body_received = 0; |
---|
| 214 | |
---|
| 215 | while (body_received < body_target) { |
---|
| 216 | result = amqp_simple_wait_frame(conn, &frame); |
---|
| 217 | if (result < 0) |
---|
| 218 | return; |
---|
| 219 | |
---|
| 220 | if (frame.frame_type != AMQP_FRAME_BODY) { |
---|
| 221 | fprintf(stderr, "Expected body!"); |
---|
| 222 | abort(); |
---|
| 223 | } |
---|
| 224 | |
---|
| 225 | body_received += frame.payload.body_fragment.len; |
---|
| 226 | assert(body_received <= body_target); |
---|
| 227 | } |
---|
| 228 | |
---|
| 229 | received++; |
---|
| 230 | } |
---|
| 231 | } |
---|
| 232 | |
---|
| 233 | int main(int argc, char const * const *argv) { |
---|
| 234 | char const *hostname; |
---|
| 235 | int port; |
---|
| 236 | char const *exchange; |
---|
| 237 | char const *bindingkey; |
---|
| 238 | |
---|
| 239 | int sockfd; |
---|
| 240 | amqp_connection_state_t conn; |
---|
| 241 | |
---|
| 242 | amqp_bytes_t queuename; |
---|
| 243 | |
---|
| 244 | if (argc < 3) { |
---|
| 245 | fprintf(stderr, "Usage: amqp_consumer host port\n"); |
---|
| 246 | return 1; |
---|
| 247 | } |
---|
| 248 | |
---|
| 249 | hostname = argv[1]; |
---|
| 250 | port = atoi(argv[2]); |
---|
| 251 | exchange = "amq.direct"; /* argv[3]; */ |
---|
| 252 | bindingkey = "test queue"; /* argv[4]; */ |
---|
| 253 | |
---|
| 254 | conn = amqp_new_connection(); |
---|
| 255 | |
---|
| 256 | die_on_error(sockfd = amqp_open_socket(hostname, port), "Opening socket"); |
---|
| 257 | amqp_set_sockfd(conn, sockfd); |
---|
| 258 | die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"), "Logging in"); |
---|
| 259 | amqp_channel_open(conn, 1); |
---|
| 260 | die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel"); |
---|
| 261 | |
---|
| 262 | /* |
---|
| 263 | { |
---|
| 264 | amqp_queue_declare_ok_t *r = amqp_queue_declare(conn, 1, amqp_empty_bytes, 0, 0, 0, 1, amqp_empty_table); |
---|
| 265 | die_on_amqp_error(amqp_get_rpc_reply(conn), "Declaring queue"); |
---|
| 266 | queuename = amqp_bytes_malloc_dup(r->queue); |
---|
| 267 | if (queuename.bytes == NULL) { |
---|
| 268 | fprintf(stderr, "Out of memory while copying queue name"); |
---|
| 269 | return 1; |
---|
| 270 | } |
---|
| 271 | } |
---|
| 272 | |
---|
| 273 | amqp_queue_bind(conn, 1, queuename, amqp_cstring_bytes(exchange), amqp_cstring_bytes(bindingkey), amqp_empty_table); |
---|
| 274 | |
---|
| 275 | die_on_amqp_error(amqp_get_rpc_reply(conn), "Binding queue"); |
---|
| 276 | |
---|
| 277 | amqp_basic_consume(conn, 1, queuename, amqp_empty_bytes, 0, 1, 0, amqp_empty_table); |
---|
| 278 | die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming"); |
---|
| 279 | */ |
---|
| 280 | |
---|
| 281 | amqp_basic_consume(conn, 1, amqp_cstring_bytes("test queue"), amqp_empty_bytes, 0, 1, 0, amqp_empty_table); |
---|
| 282 | die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming"); |
---|
| 283 | |
---|
| 284 | run(conn); |
---|
| 285 | |
---|
| 286 | die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel"); |
---|
| 287 | die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection"); |
---|
| 288 | die_on_error(amqp_destroy_connection(conn), "Ending connection"); |
---|
| 289 | |
---|
| 290 | return 0; |
---|
| 291 | } |
---|