/* Rehash for an amount of time between ms milliseconds and ms+1 milliseconds */
int dictRehashMilliseconds(dict *d, int ms) {
long long start = timeInMilliseconds();
int rehashes = 0;
while(dictRehash(d,100)) {
rehashes += 100;
if (timeInMilliseconds()-start > ms) break;
}
return rehashes;
}
int main(int argc,const char *argv[]) {
const char *hostName;
int port;
const char *queueName;
int prefetchCount;
int noAck = 1;
if (argc < 6) {
fprintf(stderr,"Usage: consumer host port queuename prefetch_count no_ack\n");
exit(1);
}
hostName = argv[1];
port = atoi(argv[2]);
queueName = argv[3];
prefetchCount = atoi(argv[4]);
if(strcmp(argv[5],"false")==0) noAck = 0;
int sockfd;
int channelId = 1;
amqp_connection_state_t conn;
conn = amqp_new_connection();
die_on_error(sockfd = amqp_open_socket(hostName, port), "Opening socket");
amqp_set_sockfd(conn, sockfd);
die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN, "guest", "guest"),"Logging in");
amqp_channel_open(conn, channelId);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Opening channel");
amqp_basic_qos(conn,channelId,0,prefetchCount,0);
amqp_basic_consume(conn,channelId,amqp_cstring_bytes(queueName),amqp_empty_bytes,0,noAck,0,amqp_empty_table);
die_on_amqp_error(amqp_get_rpc_reply(conn), "Consuming");
int count = 0;
amqp_frame_t frame;
int result;
amqp_basic_deliver_t *d;
amqp_basic_properties_t *p;
size_t body_target;
size_t body_received;
long long start = timeInMilliseconds();
while(1){
{
amqp_maybe_release_buffers(conn);
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
break;
if (frame.frame_type != AMQP_FRAME_METHOD)
continue;
if (frame.payload.method.id != AMQP_BASIC_DELIVER_METHOD)
continue;
d = (amqp_basic_deliver_t *) frame.payload.method.decoded;
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
break;
if (frame.frame_type != AMQP_FRAME_HEADER) {
fprintf(stderr, "Expected header!");
abort();
}
p = (amqp_basic_properties_t *) frame.payload.properties.decoded;
body_target = frame.payload.properties.body_size;
body_received = 0;
while (body_received < body_target) {
result = amqp_simple_wait_frame(conn, &frame);
if (result < 0)
break;
if (frame.frame_type != AMQP_FRAME_BODY) {
fprintf(stderr, "Expected body!");
abort();
}
body_received += frame.payload.body_fragment.len;
assert(body_received <= body_target);
}
if (body_received != body_target) {
break;
}
if(!noAck)
amqp_basic_ack(conn,channelId,d->delivery_tag,0);
}
count++;
if(count%10000 == 0) {
long long end = timeInMilliseconds();
fprintf(stderr,"round %d takes %lld millseconds(10000 messages consumed every round)\n",count/10000-1,end-start);
start = timeInMilliseconds();
}
}
die_on_amqp_error(amqp_channel_close(conn, 1, AMQP_REPLY_SUCCESS), "Closing channel");
die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS), "Closing connection");
die_on_error(amqp_destroy_connection(conn), "Ending connection");
return 0;
}
