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C++ dns_error函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中dns_error函数的典型用法代码示例。如果您正苦于以下问题：C++ dns_error函数的具体用法？C++ dns_error怎么用？C++ dns_error使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了dns_error函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: Resolver

	Resolver(QObject *parent = 0) :
		QObject(parent),
		dnsA(parent),
		dnsB(parent)
	{
		connect(&dnsA, SIGNAL(resultsReady(const QList<XMPP::NameRecord> &)), SLOT(dns_resultsReady(const QList<XMPP::NameRecord> &)));
		connect(&dnsA, SIGNAL(error(XMPP::NameResolver::Error)), SLOT(dns_error(XMPP::NameResolver::Error)));

		connect(&dnsB, SIGNAL(resultsReady(const QList<XMPP::NameRecord> &)), SLOT(dns_resultsReady(const QList<XMPP::NameRecord> &)));
		connect(&dnsB, SIGNAL(error(XMPP::NameResolver::Error)), SLOT(dns_error(XMPP::NameResolver::Error)));
	}
开发者ID:evgeny，项目名称:psi，代码行数:11，代码来源:jinglertp.cpp


示例2: create_fetcher

static int
create_fetcher(struct server *s, int n)
{
    int i;
    struct fetcher *ws, *tmp;
    cpu_set_t cpuinfo;
    pthread_t fpt[FETCHER_NUM];
    if (n < 1)
        return -1;
    ws = malloc(sizeof(struct fetcher) * n);    //associated a worker with main thread
    if (ws == NULL)
        return -1;
    memset(ws, 0, sizeof(struct fetcher) * n);
    s->fetchers = ws;
    for (i = 0; i < n; i++) {
        tmp = ws + i;
        tmp->s = s;
        tmp->idx = i;
        tmp->pkg = 0;
        tmp->send = 0;
        tmp->miss = 0;
        tmp->el = &s->eventlist;
        tmp->qidx = i % QUIZZER_NUM;
        tmp->mc = init_msgcache(100);
        if (tmp->mc == NULL)
            dns_error(0, "get msgcache");
        tmp->loginfo = malloc(sizeof(struct log_info));
        memset(tmp->loginfo, 0, sizeof(struct log_info));
        tmp->loginfo->lastlog = global_now;
        tmp->loginfo->log_type = TYPE_FETCHER;
        tmp->loginfo->logfd = create_new_log(s->logpath, i, TYPE_FETCHER);
        if (tmp->loginfo->logfd < 0)
            dns_error(0, "log file error");
        if (pthread_create(fpt + i, NULL, (void *) run_fetcher, tmp) != 0)
            dns_error(0, "init worker");
    }
    global_out_info->thread_num += i;
    
    for(i = 0;i < FETCHER_NUM ;i ++)
    {
        CPU_ZERO(&cpuinfo);
        CPU_SET_S(i + 1, sizeof(cpuinfo), &cpuinfo);
        if(0 != pthread_setaffinity_np(fpt[i], sizeof(cpu_set_t), &cpuinfo))
        {
            printf("set affinity fetcher failed,  may be the cpu cores num less than (FETCHER_NUM + QUIZZER_NUM + 1)\n");
//             exit(0);
        }
    }
    
    return 0;
}
开发者ID:BearGrass，项目名称:dnspod-sr，代码行数:51，代码来源:init.c


示例3: dns_error

/* $begin gethostbyname */
struct hostent *Gethostbyname(const char *name) {
	struct hostent *p;

	if ((p = gethostbyname(name)) == NULL)
		dns_error("Gethostbyname error");
	return p;
}
开发者ID:ZxMYS，项目名称:Xiaos-IPv4-IPv6-Transmit-Toolkit，代码行数:8，代码来源:csapp.c


示例4: init_mempool

void init_mempool()
{
    int ret;
    ret = mempool_create(MEMPOOL_SIZE);
    if (ret < 0)
        dns_error(0, "create mempool failed");
}
开发者ID:BearGrass，项目名称:dnspod-sr，代码行数:7，代码来源:init.c


示例5: init_globe

int init_globe()
{
    int shmid;
    shmid = shmget(SHM_KEY, sizeof(struct global_query_info), IPC_CREAT|0600|IPC_PRIVATE);
    if (shmid < 0) {
        printf("%lu\n", SHM_KEY + sizeof(struct global_query_info));
        perror("shmget");
        dns_error(0, "shmget error");
    }
    global_out_info = (struct global_query_info *)shmat(shmid, NULL, 0);
    memset(global_out_info, 0, sizeof(struct global_query_info));
    global_out_info->thread_num = 0;
    int i;
    for (i = 0; i < sizeof(query_type_map) / sizeof(int); ++i)
    {
        query_type_map[i] = -1;
    }
    query_type_map[A] 		=  0;
    query_type_map[NS] 		=  1;
    query_type_map[CNAME] 	=  2;
    query_type_map[SOA] 	=  3;
    query_type_map[MX] 		=  4;
    query_type_map[TXT] 	=  5;
    query_type_map[AAAA] 	=  6;
    query_type_map[SRV] 	=  7;
    query_type_map[ANY] 	=  8;
    return 0;
}
开发者ID:BearGrass，项目名称:dnspod-sr，代码行数:28，代码来源:init.c


示例6: connect

//!
//! Constructs an NDns object with parent \a parent.
NDns::NDns(QObject *parent)
:QObject(parent),dns(this)
{
    busy = false;

    connect(&dns, SIGNAL(resultsReady(QList<XMPP::NameRecord>)), SLOT(dns_resultsReady(QList<XMPP::NameRecord>)));
    connect(&dns, SIGNAL(error(XMPP::NameResolver::Error)), SLOT(dns_error(XMPP::NameResolver::Error)));
}
开发者ID:psi-im，项目名称:iris，代码行数:10，代码来源:ndns.cpp


示例7: rbtree_test

//---------------rbtree debug------------------------------------//
int
rbtree_test(void)
{
    int i, j, len, slice, ret;
    struct timeval tv;
    struct rbnode node, *pn = NULL;
    struct ttlnode *tn = NULL;
    struct rbtree *rbt = NULL;
    rbt = create_rbtree(rbt_comp_ttl_gt, NULL);
    if (rbt == NULL)
        dns_error(0, "create rbtree");
    node = rbt->nil;            //nil
    slice = 8000000;
    //for(i = 0;i < n;i ++)
    //{
    for (j = 0; j < slice; j++) {
        len = random() % 30;
        tn = malloc(sizeof(struct ttlnode) + len);
        if (tn == NULL)
            printf("oom\n");
        tn->exp = j;
        for (i = 0; i < len; i++)
            tn->data[i] = 'a' + i;
        node.key = tn;
        ret = insert_node(rbt, &node);
        if (ret != 0)
            printf("insert error\n");
    }
    printf("insert all\n");
    sleep(2);
    for (j = 0; j < slice; j++) {
        pn = min_node(rbt);
        if (pn != NULL) {
            tn = delete_node(rbt, pn);
            free(tn);
        } else
            printf("error\n");
    }
    printf("delete all\n");
    sleep(5);
    //}
    if (free_rbtree(rbt) != 0)
        dns_error(0, "free");
    //get_time_usage(&tv,0);
    return 0;
}
开发者ID:ChowZenki，项目名称:dnspod-sr，代码行数:47，代码来源:datas.c


示例8: Gethostbyname_r

/* $begin gethostbyname_r */
int Gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop)
{
	int p;

    p = gethostbyname_r(name, ret, buf, buflen, result, h_errnop);
	if (p)
		dns_error("Gethostbyname error");
    return p;
}
开发者ID:Firkraag，项目名称:http-proxy，代码行数:10，代码来源:csapp.c


示例9: gethostbyaddr

struct hostent *Gethostbyaddr(const char *addr, int len, int type)
{
	struct hostent *hp;
	hp = gethostbyaddr(addr, len, type);
	if (hp == NULL)
	{
		dns_error("Gethostbyaddr error");
	}
	return hp;
}
开发者ID:jack-lijing，项目名称:unix，代码行数:10，代码来源:csapp.c


示例10: gethostbyname

/****************************************************
	*DNS interface wrappers*
*****************************************************/
struct hostent *Gethostbyname(const char *hostname)
{
	struct hostent *hp;
	hp = gethostbyname(hostname);
	if (hp == NULL)
	{
		dns_error("Gethostbyname error");
	}
	return hp;
}
开发者ID:jack-lijing，项目名称:unix，代码行数:13，代码来源:csapp.c


示例11: create_listen_ports

static int
create_listen_ports(int port, int proto, uchar * addr)
{
    int fd = -1;
    fd = create_socket(port, proto, addr);
    if (fd < 0 || set_non_block(fd) < 0) {
        printf("port:%d,proto:%d\n", port, proto);
        dns_error(0, "fd < 0");
    }
    return fd;
}
开发者ID:BearGrass，项目名称:dnspod-sr，代码行数:11，代码来源:init.c


示例12: daemonrize

static int
daemonrize(int dm)
{
    if (dm == 1) {
        if (daemon(1, 0) == -1)
            dns_error(0, "daemonrize");
        else
            printf("daemon!!!\n");      //we will never see this
    }
    return 0;
}
开发者ID:BearGrass，项目名称:dnspod-sr，代码行数:11，代码来源:init.c


示例13: Open_clientfd

/******************************************
 * Wrappers for the client/server helper routines 
 ******************************************/
int Open_clientfd(char *hostname, int port) {
	int rc;

	if ((rc = open_clientfd(hostname, port)) < 0) {
		if (rc == -1)
			unix_error("Open_clientfd Unix error");
		else
			dns_error("Open_clientfd DNS error");
	}
	return rc;
}
开发者ID:ZxMYS，项目名称:Xiaos-IPv4-IPv6-Transmit-Toolkit，代码行数:14，代码来源:csapp.c


示例14: Gethostbyaddr_r

int Gethostbyaddr_r(const char *addr, int len, int type, 
 struct hostent *ret, char *buf, size_t buflen,
                struct hostent **result, int *h_errnop)

{
     int p;

    p = gethostbyaddr_r(addr, len, type, ret, buf, buflen, result, h_errnop);
	if (p)
		dns_error("Gethostbyaddr error");
    return p;
}
开发者ID:Firkraag，项目名称:http-proxy，代码行数:12，代码来源:csapp.c


示例15: storage_test

int
storage_test(void)
{
    struct htable *ht = NULL;
    pthread_t pt[THREADX];
    int i;
    struct st_hlp sh[THREADX];
    //ht = htable_create(NULL,dict_comp_str_equ,HASH_TABLE_SIZE,MULTI_HASH);
    if (ht == NULL)
        dns_error(0, "create htable error");
    for (i = 0; i < THREADX; i++) {
        sh[i].ht = ht;
        sh[i].idx = i;
        if (pthread_create(pt + i, NULL, st_th, sh + i))
            dns_error(0, "create pthread");
    }
    for (i = 0; i < THREADX; i++)
        pthread_join(pt[i], NULL);
    sleep(2);
    return 0;
}
开发者ID:Houfeng，项目名称:dnspod-sr，代码行数:21，代码来源:storage.c


示例16: Open_clientfd

/******************************************
 * Wrappers for the client/server helper routines 
 ******************************************/
int Open_clientfd(char *hostname, int port, char *origin_request_line, char *origin_host_header) 
{
    int rc;

    if ((rc = open_clientfd(hostname, port)) < 0) {
        if (rc == -1)
            unix_error("Open_clientfd Unix error");
        else {
            dns_error("Open_clientfd DNS error");
            fprintf(stderr, "Original Request Line: %s", origin_request_line);
            fprintf(stderr, "Original Host Header: %s", origin_host_header);
            fprintf(stderr, "Parsed Host: %s\n", hostname);
            fprintf(stderr, "Parsed Port: %d\n", port);
            fprintf(stderr, "Ok, That's fine.\n");
            fprintf(stderr, "Our proxy will send customized response.\n\n");
        }
    }
    return rc;
}
开发者ID:zihaol1，项目名称:15-712-simple-proxy，代码行数:22，代码来源:csapp.c


示例17: server_init

static struct server *
server_init(void)
{
    struct server *s = malloc(sizeof(struct server));
    if (s == NULL)
        dns_error(0, "out of memory in server_init");
    s->nfetcher = FETCHER_NUM;
    s->nquizzer = QUIZZER_NUM;
    s->authors = NULL;
    s->fetchers = NULL;
    s->pkg = 0;
    pthread_spin_init(&s->eventlist.lock, 0);
    //pthread_mutex_init(&s->lock,NULL);
    s->eventlist.head = NULL;
    if ((s->ludp = create_listen_ports(SERVER_PORT, UDP, (uchar *)SRV_ADDR)) < 0)
        dns_error(0, "can not open udp");
    set_sock_buff(s->ludp, 10);
    if ((s->ltcp = create_listen_ports(SERVER_PORT, TCP, (uchar *)SRV_ADDR)) < 0)
        dns_error(0, "can not open tcp");
    s->datasets =
        htable_create(NULL, dict_comp_str_equ, HASH_TABLE_SIZE,
                      MULTI_HASH);
    if (s->datasets == NULL)
        dns_error(0, "htable create");
    s->forward = htable_create(NULL, dict_comp_str_equ, 1024, 1);
    if (s->forward == NULL)
        dns_error(0, "create forward");
    s->qlist =
        htable_create(NULL, dict_comp_str_equ,
                      QLIST_TABLE_SIZE, 1);
    if (s->qlist == NULL)
        dns_error(0, "create qlist");
    s->ttlexp = create_rbtree(rbt_comp_ttl_gt, NULL);
    if (s->ttlexp == NULL)
        dns_error(0, "create ttl tree");
    s->recordsindb = 0;
    s->refreshflag = 0;
    s->lastrefresh = global_now;
    s->is_forward = 0;
    return s;
}
开发者ID:BearGrass，项目名称:dnspod-sr，代码行数:41，代码来源:init.c


示例18: main

int
main(int argc, char **argv)
{
    struct server *s = NULL;
    pthread_t pt, ctl;
    int c, is_forward = 0;
    const char *config = SR_CONFIG_FILE;
    int daemon = 0;
    while ((c = getopt(argc,argv,"c:vhfd")) != -1)
    {
        switch(c)
        {
            case 'c':
                config = optarg;
                break;
            case 'h':
                help(argv[0]);
                exit(0);
                break;
            case 'f':
                is_forward = 1;
                break;
            case 'd':
                daemon = 1;
                break;
            case '?':
                printf("Try -h please\n");
                exit(0);
                break;
            case 'v':
                printf("dnspod-sr 0.01\n");
                exit(0);
                break;
            default:
                exit(0);
                break;
        }
    }
    sanity_test(0);
    drop_privilege("./");
    daemonrize(daemon);
    trig_signals(1);
    global_now = time(NULL);    //for read root.z
    g_nameservers[0] = g_nameservers[1] = NULL;
    init_globe();
    init_mempool();
    s = server_init();
    s->is_forward = is_forward;
    read_config(config, (char *)s->logpath, s->forward, g_nameservers);
    // add default dns server 8.8.8.8, 114.114.114.114
    if (g_nameservers[0] == NULL) {
        assert(g_nameservers[1] == NULL);
        g_nameservers[0] = strdup("119.29.29.29");
        g_nameservers[1] = strdup("8.8.4.4");
    }
    if (g_nameservers[1] == NULL) {
        if (strcmp(g_nameservers[0], "119.29.29.29") == 0) {
            g_nameservers[1] = strdup("8.8.4.4");
        } else {
            g_nameservers[1] = strdup("119.29.29.29");
        }
    }
    //
    if (create_fetcher(s, s->nfetcher) < 0)
        dns_error(0, "create worker");
    if (create_author(s, s->nquizzer) < 0)
        dns_error(0, "create author");
    if (pthread_create(&pt, NULL, (void *) time_cron, s) != 0)
        dns_error(0, "time cron error");
    if (pthread_create(&ctl, NULL, (void *)recv_update, s) != 0) {
        dns_error(0, "recv update thread error");
    }
    read_root(s->datasets, s->ttlexp);
    print_basic_debug();
    global_serv = s;
    run_sentinel(s);
    return 0;
}
开发者ID:BearGrass，项目名称:dnspod-sr，代码行数:78，代码来源:init.c


示例19: create_author

int
create_author(struct server *s, int n)
{
    int i, j;
    struct author *authors = NULL;
    cpu_set_t cpuinfo;
    pthread_t apt[QUIZZER_NUM];
    if (n < 1 || n > 50)
        dns_error(0, "quizzer bad range");
    if ((authors = malloc(sizeof(struct author) * n)) == NULL)
        dns_error(0, "out of memory in quizzer");
    memset(authors, 0, sizeof(struct author) * n);
    s->authors = authors;
    for (i = 0; i < n; i++) {
        authors[i].idx = i;
        authors[i].cudp = s->ludp;
        authors[i].audp = create_listen_ports(i * 1000 + 998, UDP, NULL);
        if (authors[i].audp < 0)
            dns_error(0, "auth fd error");
        set_sock_buff(authors[i].audp, 1);
        authors[i].el = &s->eventlist;
        authors[i].s = s;
        get_random_data(authors[i].randombuffer, RANDOM_SIZE);
        authors[i].rndidx = 0;
        authors[i].dupbefore = 0;
        authors[i].limits = 10;
        authors[i].bdepfd = 0;
        authors[i].fwd = s->forward;
        authors[i].ds = s->datasets;
        authors[i].qnum = 0;
        authors[i].underattack = 0;
        authors[i].timex = 0;
        authors[i].response = 0;
        authors[i].tcpinuse = 0;
        authors[i].rdb = 0;
        authors[i].quizz = 0;
        authors[i].drop = 0;
        authors[i].timeout = 0;
        authors[i].qidx = 0;    //start idx in qoutinfo list
        authors[i].start = QLIST_TABLE_SIZE / QUIZZER_NUM * i;
        if (i == (QUIZZER_NUM - 1))
            authors[i].end = QLIST_TABLE_SIZE;
        else
            authors[i].end = QLIST_TABLE_SIZE / QUIZZER_NUM * (i + 1);
        memset(authors[i].ip, 0, IP_DATA_LEN);
        authors[i].loginfo = malloc(sizeof(struct log_info));
        memset(authors[i].loginfo, 0, sizeof(struct log_info));
        authors[i].loginfo->log_type = TYPE_QUIZZER;
        authors[i].loginfo->logfd = create_new_log(s->logpath, i, TYPE_QUIZZER);
        for (j = 0; j < AUTH_DB_NUM; j++)
            pthread_spin_init(&(authors[i].dblock[j]), 0);
        for (j = 0; j < LIST_SPACE; j++)
            authors[i].list[j] = NULL;
        for (j = 0; j < EP_TCP_FDS; j++)
            authors[i].eptcpfds[j].ret = -1;
        pthread_spin_init(&authors[i].lock, 0);
        authors[i].loginfo->lastlog = global_now;
        if (authors[i].cudp < 0 || authors[i].audp < 0)
            dns_error(0, "create quizzer2");
        if (pthread_create(apt + i, NULL, run_quizzer, (void *) &(authors[i]))
            != 0)
            dns_error(0, "create quizzer");
    }
    global_out_info->thread_num += i;
    
    for(i = 0;i < QUIZZER_NUM ;i ++)
    {
        CPU_ZERO(&cpuinfo);
        CPU_SET_S(i + FETCHER_NUM + 1, sizeof(cpuinfo), &cpuinfo);
        if(0 != pthread_setaffinity_np(apt[i], sizeof(cpu_set_t), &cpuinfo))
        {
            printf("set affinity quizzer failed, may be the cpu cores num less than (FETCHER_NUM + QUIZZER_NUM + 1)\n");
//             exit(0);
        }
    }
    
    return 0;
}
开发者ID:BearGrass，项目名称:dnspod-sr，代码行数:78，代码来源:init.c


示例20: parse_dns_response

/* puts TXT from dns response in buf. Returns length of TXT on success, -1 on fail.*/
static int parse_dns_response(ToxWindow *self, u_char *answer, int ans_len, char *buf)
{
    uint8_t *ans_pt = answer + sizeof(HEADER);
    uint8_t *ans_end = answer + ans_len;
    char exp_ans[PACKETSZ];
    
    int len = dn_expand(answer, ans_end, ans_pt, exp_ans, sizeof(exp_ans));

    if (len == -1)
        return dns_error(self, "dn_expand failed."); 

    ans_pt += len;

    if (ans_pt > ans_end - 4)
         return dns_error(self, "DNS reply was too short."); 

    int type;
    GETSHORT(type, ans_pt);

    if (type != T_TXT)
        return dns_error(self, "Broken DNS reply."); 
 

    ans_pt += INT16SZ;    /* class */
    uint32_t size = 0;

    /* recurse through CNAME rr's */
    do { 
        ans_pt += size;
        len = dn_expand(answer, ans_end, ans_pt, exp_ans, sizeof(exp_ans));

        if (len == -1)
            return dns_error(self, "Second dn_expand failed."); 

        ans_pt += len;

        if (ans_pt > ans_end - 10)
            return dns_error(self, "DNS reply was too short."); 

        GETSHORT(type, ans_pt);
        ans_pt += INT16SZ;
        ans_pt += 4;
        GETSHORT(size, ans_pt);

        if (ans_pt + size < answer || ans_pt + size > ans_end)
            return dns_error(self, "RR overflow."); 

    } while (type == T_CNAME);

    if (type != T_TXT)
        return dns_error(self, "DNS response failed."); 

    uint32_t txt_len = *ans_pt;

    if (!size || txt_len >= size || !txt_len)
        return dns_error(self, "No record found.");

    if (txt_len > MAX_DNS_REQST_SIZE)
        return dns_error(self, "Invalid DNS response.");

    ans_pt++;
    ans_pt[txt_len] = '\0';
    memcpy(buf, ans_pt, txt_len + 1);

    return txt_len;
}
开发者ID:jpoler，项目名称:toxic，代码行数:67，代码来源:dns.c



注：本文中的dns_error函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ dns_fixedname_init函数代码示例发布时间：2022-05-30
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