add demo

demo/demo.c

@@ -0,0 +1,190 @@
+/* Copyright (c) 2006-2015, DNSPod Inc.
+ * All rights reserved.
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1.Redistributions of source code must retain the above copyright notice, this
+ *   list of conditions and the following disclaimer.
+ * 2.Redistributions in binary form must reproduce the above copyright notice,
+ *   this list of conditions and the following disclaimer in the documentation
+ *   and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those
+ * of the authors and should not be interpreted as representing official policies,
+ * either expressed or implied, of the FreeBSD Project.
+*/
+
+#include "../src/dplus.h"
+
+#define YOUR_ID 10000
+#define DP_DES_ID   YOUR_ID
+#define DP_DES_KEY  "YOUR KEY"
+#define BUF_SIZE 102400
+
+#ifdef WIN32
+int gettimeofday(struct timeval *tp, void *tzp)
+{
+    time_t clock;
+    struct tm tm;
+    SYSTEMTIME wtm;
+    GetLocalTime(&wtm);
+    tm.tm_year = wtm.wYear - 1900;
+    tm.tm_mon = wtm.wMonth - 1;
+    tm.tm_mday = wtm.wDay;
+    tm.tm_hour = wtm.wHour;
+    tm.tm_min = wtm.wMinute;
+    tm.tm_sec = wtm.wSecond;
+    tm. tm_isdst = -1;
+    clock = mktime(&tm);
+    tp->tv_sec = (long)clock;
+    tp->tv_usec = wtm.wMilliseconds * 1000;
+    return 0;
+}
+#else
+#include <sys/time.h>
+#endif
+
+int main(int argc, char **argv)
+{
+    struct addrinfo *answer, hint, *curr;
+    char ipstr[16];
+    int ret, sfd;
+    struct timeval time, time2;
+    char http_data[BUF_SIZE];
+    char *domain;
+
+    if (argc != 2) {
+        //fprintf(stderr, "Usage: %s hostname\n", argv[0]);
+        //exit(1);
+        domain = "www.dnspod.com";
+    }
+    else {
+        domain = argv[1];
+    }
+
+    //init dplus environment
+    dp_set_cache_mem(4*1024*1024);
+    dp_set_ttl(90);
+
+#ifdef ENTERPRISE_EDITION
+    // 设置企业版加密ID和KEY
+    dp_set_des_id_key(DP_DES_ID, DP_DES_KEY);
+#endif
+
+    dp_env_init();
+
+    memset(&hint, 0, sizeof(hint));
+    hint.ai_family = AF_INET;
+    hint.ai_socktype = SOCK_STREAM;
+
+    //first
+    gettimeofday(&time, NULL);
+    ret = dp_getaddrinfo(domain, "http", &hint, &answer);
+    if (ret != 0) {
+        fprintf(stderr, "dp_getaddrinfo: %s\n", gai_strerror(ret));
+        dp_env_destroy();
+        return 1;
+    }
+
+    for (curr = answer; curr != NULL; curr = curr->ai_next) {
+        inet_ntop(AF_INET, &(((struct sockaddr_in *)(curr->ai_addr))->sin_addr),
+            ipstr, sizeof(ipstr));
+        printf("%s\n", ipstr);
+    }
+    dp_freeaddrinfo(answer);
+    gettimeofday(&time2, NULL);
+    printf("first time:%lu ms\n\n", (time2.tv_usec - time.tv_usec)/1000);
+
+    //second
+    gettimeofday(&time, NULL);
+    ret = dp_getaddrinfo(domain, "http", &hint, &answer);
+    if (ret != 0) {
+        fprintf(stderr, "dp_getaddrinfo: %s\n", gai_strerror(ret));
+        dp_env_destroy();
+        return 1;
+    }
+
+    for (curr = answer; curr != NULL; curr = curr->ai_next) {
+        inet_ntop(AF_INET, &(((struct sockaddr_in *)(curr->ai_addr))->sin_addr),
+            ipstr, 16);
+        printf("%s\n", ipstr);
+    }
+    gettimeofday(&time2, NULL);
+    printf("second time:%lu ms\n\n", (time2.tv_usec - time.tv_usec)/1000);
+
+    printf("cache status:\n");
+    dp_cache_status();
+    printf("\n");
+
+#ifdef WIN32
+    WSADATA wsa;
+    WSAStartup(MAKEWORD(2, 2), &wsa);
+#endif
+
+    printf("start http query:%s\n", domain);
+    for (curr = answer; curr != NULL; curr = curr->ai_next) {
+        sfd = socket(curr->ai_family, curr->ai_socktype,
+               curr->ai_protocol);
+        if (sfd == -1)
+           continue;
+
+        if (connect(sfd, curr->ai_addr, curr->ai_addrlen) != -1)
+            break;
+
+#ifdef WIN32
+        closesocket(sfd);
+        WSACleanup();
+#else
+        close(sfd);
+#endif
+    }
+    //no longer needed
+    dp_freeaddrinfo(answer);
+
+    ret = make_request(sfd, domain, "/");
+    if (ret < 0) {
+        printf("make request failed\n");
+#ifdef WIN32
+        closesocket(sfd);
+        WSACleanup();
+#else
+        close(sfd);
+#endif
+        return -1;
+    }
+
+    ret = fetch_response(sfd, http_data, BUF_SIZE);
+    if (ret < 0) {
+        printf("fetch response failed\n");
+#ifdef WIN32
+        closesocket(sfd);
+        WSACleanup();
+#else
+        close(sfd);
+#endif
+        return -1;
+    }
+#ifdef WIN32
+    closesocket(sfd);
+    WSACleanup();
+#else
+    close(sfd);
+#endif
+
+    printf("%s\n", http_data);
+
+    dp_env_destroy();
+    return 0;
+}