acl/lib_acl/samples/writevn/main.c

#include "lib_acl.h"

static void usage(const char *proc)
{
	printf("usage: %s -h [help]\r\n"
		"	-s server_addr[default: 127.0.0.1:30082]\r\n"
		"	-n loop_count[default: 10]\r\n"
		"	-i inter count to print\r\n"
		"	-l data size[default: 4096]\r\n",
		proc);
}

int   main(int argc, char *argv[])
{
	ACL_VSTREAM *client;
	char  addr[64], *buf = NULL, line[128];
	int   n, i, len = 4096, count = 10, inter = 1000;
	struct iovec vec[3];
	int   nvec = 3, use_writev = 0, display = 0;

	snprintf(addr, sizeof(addr), "127.0.0.1:30082");

	while ((n = getopt(argc, argv, "hs:l:n:i:v")) > 0) {
		switch (n) {
		case 'h':
			usage(argv[0]);
			return 0;
		case 'd':
			display = 1;
			break;
		case 's':
			snprintf(addr, sizeof(addr), "%s", optarg);
			break;
		case 'l':
			len = atoi(optarg);
			break;
		case 'n':
			count = atoi(optarg);
			break;
		case 'i':
			inter = atoi(optarg);
			break;
		case 'v':
			use_writev = 1;
			break;
		default:
			break;
		}
	}

	if (len <= 0) {
		printf("invalid len: %d <= 0\r\n", len);
		return 1;
	}

	/* 连接服务器 */
	client = acl_vstream_connect(addr, ACL_BLOCKING, 10, 10, 4096);
	if (client == NULL) {
		printf("connect %s error %s\r\n", addr, acl_last_serror());
		return 1;
	}

	printf("connect %s ok ...\r\n", addr);

	buf = (char*) acl_mymalloc(len);
	snprintf(buf, len, "%d\r\n", len);

	memset(buf, 'X', len);

	vec[0].iov_base = buf;
	vec[0].iov_len  = len;
	vec[1].iov_base = buf;
	vec[1].iov_len  = len;
	vec[2].iov_base = buf;
	vec[2].iov_len  = len;

	for (i = 0; i < count; i++) {
		if (use_writev)
			n = acl_vstream_writevn(client, vec, nvec);
		else
			n = acl_vstream_writen(client, buf, len);

		if (display)
			printf("n: %d, total: %d\r\n", n, len * nvec);

		if (n == ACL_VSTREAM_EOF) {
			printf("write error %s\r\n", acl_last_serror());
			break;
		}

		if (i % inter == 0) {
			snprintf(line, sizeof(line), "curr: %d, total: %d", i, count);
			ACL_METER_TIME(line);
		}
	}

	if (buf)
		acl_myfree(buf);

	acl_vstream_close(client);

	return 0;
}