add one demo for testing split

Author: zhengshuxin

lib_acl/samples/benchmark/split/Makefile

@@ -0,0 +1,4 @@
+base_path = ../../..
+include ../../Makefile.in
+PROG = split
+CFLAGS += -O3

lib_acl/samples/benchmark/split/main.c

@@ -0,0 +1,172 @@
+#include "lib_acl.h"
+#include "../stamp.h"
+
+static void test1(long long max, const char *str, const char *sep)
+{
+	long long i;
+
+	for (i = 0; i < max; i++) {
+		ACL_ARGV *argv = acl_argv_split(str, sep);
+		acl_argv_free(argv);
+	}
+}
+
+static void argv_extend(ACL_ARGV *argv)
+{
+	argv->len = argv->len * 2;
+	argv->argv = (char**) acl_myrealloc((char*) argv->argv,
+		(argv->len + 1) * sizeof(char*));
+}
+
+#define SPACE_LEFT(a) ((a)->len - (a)->argc - 1)
+
+static ACL_ARGV *split(const char *str, const char *sep)
+{
+#if 0
+	size_t len = strlen(str), i, start = 0;
+	ACL_ARGV *argv = acl_argv_alloc(5);
+
+	for (i = 0; i < len; i++) {
+		if (strchr(sep, str[i]) != NULL) {
+			if (start < i) {
+				size_t n = i - start;
+				char *buf = (char*) acl_mymalloc(n + 1);
+
+				if (SPACE_LEFT(argv) <= 0) {
+					argv_extend(argv);
+				}
+				memcpy(buf, str + start, n);
+				buf[n] = 0;
+				argv->argv[argv->argc++] = buf;
+			}
+			start = i + 1;
+		}
+	}
+
+	if (start < len) {
+		size_t n = len - start;
+		char *buf = (char*) acl_mymalloc(n + 1);
+
+		if (SPACE_LEFT(argv) <= 0) {
+			argv_extend(argv);
+		}
+		memcpy(buf, str + start, n);
+		buf[n] = 0;
+		argv->argv[argv->argc++] = buf;
+	}
+#else
+	const char *ptr = str, *start = str;
+	ACL_ARGV *argv = acl_argv_alloc(5);
+
+	while (*ptr != 0) {
+		if (strchr(sep, (int) (*ptr)) != NULL) {
+			if (start < ptr) {
+				size_t n = ptr - start;
+				char *buf = (char*) acl_mymalloc(n + 1);
+
+				if (SPACE_LEFT(argv) <= 0) {
+					argv_extend(argv);
+				}
+				memcpy(buf, start, n);
+				buf[n] = 0;
+				argv->argv[argv->argc++] = buf;
+			}
+			start = ptr + 1;
+		}
+		ptr++;
+	}
+
+	if (*start) {
+		char *buf = (char*) acl_mystrdup(start);
+
+		if (SPACE_LEFT(argv) <= 0) {
+			argv_extend(argv);
+		}
+		argv->argv[argv->argc++] = buf;
+	}
+#endif
+
+	return argv;
+}
+
+static void test2(long long max, const char *str, const char *sep)
+{
+	long long i;
+
+	for (i = 0; i < max; i++) {
+		ACL_ARGV *argv = split(str, sep);
+		acl_argv_free(argv);
+	}
+}
+
+static void test3(const char *str, const char *sep)
+{
+	ACL_ITER iter;
+	ACL_ARGV *argv = split(str, sep);
+
+	acl_foreach(iter, argv) {
+		const char *ptr = (const char*) iter.data;
+		printf("%s\r\n", ptr);
+	}
+
+	acl_argv_free(argv);
+}
+
+static void usage(const char *procname)
+{
+	printf("usage: %s -h [help]\r\n"
+		" -n max_loop[default: 10000]\r\n"
+		, procname);
+}
+
+int main(int argc, char *argv[])
+{
+	struct timeval begin, end;
+	double spent, speed;
+	int ch;
+	long long max = 100000;
+	const char *str = "hello world, you're welcome here! what's day is today? what's your name? How old are you? Can I help you?\r\n";
+	const char *sep = ",;'?! \t\r\n";
+
+	while ((ch = getopt(argc, argv, "hn:")) > 0) {
+		switch (ch) {
+		case 'h':
+			usage(argv[0]);
+			return 0;
+		case 'n':
+			max = atoll(optarg);
+			break;
+		default:
+			usage(argv[0]);
+			return 0;
+		}
+	}
+
+	gettimeofday(&begin, NULL);
+	test1(max, str, sep);
+	gettimeofday(&end, NULL);
+
+	spent = stamp_sub(&end, &begin);
+	speed = (max * 1000) / (spent >= 1.0 ? spent : 1.0);
+	printf("loop=%lld, spent=%.2f ms, speed=%.2f\r\n", max, spent, speed);
+
+	/*------------------------------------------------------------------*/
+
+	printf("Enter any key to continue...");
+	getchar();
+
+	gettimeofday(&begin, NULL);
+	test2(max, str, sep);
+	gettimeofday(&end, NULL);
+
+	spent = stamp_sub(&end, &begin);
+	speed = (max * 1000) / (spent >= 1.0 ? spent : 1.0);
+	printf("loop=%lld, spent=%.2f ms, speed=%.2f\r\n", max, spent, speed);
+
+	test3(str, sep);
+
+	printf("-------------------------------------------------------\r\n");
+	test3("hello world ,;?!\t\r\n", ",;?! \t\r\n");
+
+	return 0;
+}