C++ (Cpp) nc_unresolve_addr Examples

Example #1

File: nc_core.c Project: happydayxiaoz/bdrp

static void
core_close(struct context *ctx, struct conn *conn)
{
    rstatus_t status;
    char type, *addrstr;

    ASSERT(conn->sd > 0);

    if (conn->client) {
        type = 'c';
        addrstr = nc_unresolve_peer_desc(conn->sd);
    } else {
        type = conn->proxy ? 'p' : 's';
        addrstr = nc_unresolve_addr(conn->addr, conn->addrlen);
    }
    log_debug(LOG_NOTICE, "close %c %d '%s' on event %04"PRIX32" eof %d done "
              "%d rb %zu sb %zu%c %s", type, conn->sd, addrstr, conn->events,
              conn->eof, conn->done, conn->recv_bytes, conn->send_bytes,
              conn->err ? ':' : ' ', conn->err ? strerror(conn->err) : "");

    status = event_del_conn(ctx->ep, conn);
    if (status < 0) {
        log_warn("event del conn e %d %c %d failed, ignored: %s", ctx->ep,
                 type, conn->sd, strerror(errno));
    }

    conn->close(ctx, conn);
}

Example #2

File: nc_misc.c Project: idning/ndb

/*
 * Unresolve the socket descriptor address by translating it to a
 * character string describing the host and service
 *
 * This routine is not reentrant
 */
char *
nc_unresolve_desc(int sd)
{
    struct sockaddr_in addr;
    socklen_t addrlen = sizeof(addr);
    int status;

    status = getsockname(sd, (struct sockaddr *)&addr, &addrlen);
    if (status < 0) {
        return "unknown";
    }

    return nc_unresolve_addr((struct sockaddr *)&addr, addrlen);
}

Example #3

/*
 * Unresolve the socket descriptor address by translating it to a
 * character string describing the host and service
 *
 * This routine is not reentrant
 */
char *
nc_unresolve_desc(int sd)
{
    static struct sockinfo si;
    struct sockaddr *addr;
    socklen_t addrlen;
    int status;
    memset(&si, 0, sizeof(si));
    addr = (struct sockaddr *)&si.addr;
    addrlen = sizeof(si.addr);

    status = getsockname(sd, addr, &addrlen);
    if (status < 0) {
        return "unknown";
    }

    return nc_unresolve_addr(addr, addrlen);
}

Example #4

/*
 * Unresolve the socket descriptor peer address by translating it to a
 * character string describing the host and service
 * client使用
 * This routine is not reentrant
 */
char *
nc_unresolve_peer_desc(int sd)
{
    static struct sockinfo si;
    struct sockaddr *addr;
    socklen_t addrlen;
    int status;

    memset(&si, 0, sizeof(si));
    addr = (struct sockaddr *)&si.addr;
    addrlen = sizeof(si.addr);
    /**
     *getpeername函数用于获取与某个套接字关联的外地协议地址
     * getpeername()函数用于从端口s中获取与它捆绑的端口名，
     * 并把它存放在sockaddr类型的name结构中。它适用于数据报或流类套接口。
     * */
    status = getpeername(sd, addr, &addrlen);
    if (status < 0) {
        return "unknown";
    }
    //获取地址
    return nc_unresolve_addr(addr, addrlen);
}