1 files changed, 317 insertions, 0 deletions
diff --git a/network_io/os2/sockets.c b/network_io/os2/sockets.c
new file mode 100644
index 0000000..bb951e4
--- /dev/null
+++ b/network_io/os2/sockets.c
@@ -0,0 +1,317 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr_arch_networkio.h"
+#include "apr_arch_inherit.h"
+#include "apr_network_io.h"
+#include "apr_general.h"
+#include "apr_portable.h"
+#include "apr_lib.h"
+#include "apr_strings.h"
+#include <errno.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <netinet/tcp.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <netdb.h>
+#include "apr_arch_os2calls.h"
+
+static apr_status_t socket_cleanup(void *sock)
+{
+    apr_socket_t *thesocket = sock;
+
+    if (thesocket->socketdes < 0) {
+        return APR_EINVALSOCK;
+    }
+
+    if (soclose(thesocket->socketdes) == 0) {
+        thesocket->socketdes = -1;
+        return APR_SUCCESS;
+    }
+    else {
+        return APR_OS2_STATUS(sock_errno());
+    }
+}
+
+static void set_socket_vars(apr_socket_t *sock, int family, int type, int protocol)
+{
+    sock->type = type;
+    sock->protocol = protocol;
+    apr_sockaddr_vars_set(sock->local_addr, family, 0);
+    apr_sockaddr_vars_set(sock->remote_addr, family, 0);
+}
+
+static void alloc_socket(apr_socket_t **new, apr_pool_t *p)
+{
+    *new = (apr_socket_t *)apr_pcalloc(p, sizeof(apr_socket_t));
+    (*new)->pool = p;
+    (*new)->local_addr = (apr_sockaddr_t *)apr_pcalloc((*new)->pool,
+                                                       sizeof(apr_sockaddr_t));
+    (*new)->local_addr->pool = p;
+
+    (*new)->remote_addr = (apr_sockaddr_t *)apr_pcalloc((*new)->pool,
+                                                        sizeof(apr_sockaddr_t));
+    (*new)->remote_addr->pool = p;
+    (*new)->remote_addr_unknown = 1;
+
+    /* Create a pollset with room for one descriptor. */
+    /* ### check return codes */
+    (void) apr_pollset_create(&(*new)->pollset, 1, p, 0);
+}
+
+APR_DECLARE(apr_status_t) apr_socket_protocol_get(apr_socket_t *sock, int *protocol)
+{
+    *protocol = sock->protocol;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_socket_create(apr_socket_t **new, int family, int type,
+                                            int protocol, apr_pool_t *cont)
+{
+    int downgrade = (family == AF_UNSPEC);
+    apr_pollfd_t pfd;
+
+    if (family == AF_UNSPEC) {
+#if APR_HAVE_IPV6
+        family = AF_INET6;
+#else
+        family = AF_INET;
+#endif
+    }
+
+    alloc_socket(new, cont);
+
+    (*new)->socketdes = socket(family, type, protocol);
+#if APR_HAVE_IPV6
+    if ((*new)->socketdes < 0 && downgrade) {
+        family = AF_INET;
+        (*new)->socketdes = socket(family, type, protocol);
+    }
+#endif
+
+    if ((*new)->socketdes < 0) {
+        return APR_OS2_STATUS(sock_errno());
+    }
+    set_socket_vars(*new, family, type, protocol);
+
+    (*new)->timeout = -1;
+    (*new)->nonblock = FALSE;
+    apr_pool_cleanup_register((*new)->pool, (void *)(*new), 
+                        socket_cleanup, apr_pool_cleanup_null);
+
+    return APR_SUCCESS;
+} 
+
+APR_DECLARE(apr_status_t) apr_socket_shutdown(apr_socket_t *thesocket, 
+                                              apr_shutdown_how_e how)
+{
+    if (shutdown(thesocket->socketdes, how) == 0) {
+        return APR_SUCCESS;
+    }
+    else {
+        return APR_OS2_STATUS(sock_errno());
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_socket_close(apr_socket_t *thesocket)
+{
+    apr_pool_cleanup_kill(thesocket->pool, thesocket, socket_cleanup);
+    return socket_cleanup(thesocket);
+}
+
+APR_DECLARE(apr_status_t) apr_socket_bind(apr_socket_t *sock,
+                                          apr_sockaddr_t *sa)
+{
+    if (bind(sock->socketdes, 
+             (struct sockaddr *)&sa->sa,
+             sa->salen) == -1)
+        return APR_OS2_STATUS(sock_errno());
+    else {
+        sock->local_addr = sa;
+        /* XXX IPv6 - this assumes sin_port and sin6_port at same offset */
+        if (sock->local_addr->sa.sin.sin_port == 0) { /* no need for ntohs() when comparing w/ 0 */
+            sock->local_port_unknown = 1; /* kernel got us an ephemeral port */
+        }
+        return APR_SUCCESS;
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_socket_listen(apr_socket_t *sock, 
+                                            apr_int32_t backlog)
+{
+    if (listen(sock->socketdes, backlog) == -1)
+        return APR_OS2_STATUS(sock_errno());
+    else
+        return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_socket_accept(apr_socket_t **new, 
+                                            apr_socket_t *sock,
+                                            apr_pool_t *connection_context)
+{
+    alloc_socket(new, connection_context);
+    set_socket_vars(*new, sock->local_addr->sa.sin.sin_family, SOCK_STREAM, sock->protocol);
+
+    (*new)->timeout = -1;
+    (*new)->nonblock = FALSE;
+
+    (*new)->socketdes = accept(sock->socketdes, 
+                               (struct sockaddr *)&(*new)->remote_addr->sa,
+                               &(*new)->remote_addr->salen);
+
+    if ((*new)->socketdes < 0) {
+        return APR_OS2_STATUS(sock_errno());
+    }
+
+    *(*new)->local_addr = *sock->local_addr;
+    (*new)->local_addr->pool = connection_context;
+    (*new)->remote_addr->port = ntohs((*new)->remote_addr->sa.sin.sin_port);
+
+    /* fix up any pointers which are no longer valid */
+    if (sock->local_addr->sa.sin.sin_family == AF_INET) {
+        (*new)->local_addr->ipaddr_ptr = &(*new)->local_addr->sa.sin.sin_addr;
+    }
+
+    apr_pool_cleanup_register((*new)->pool, (void *)(*new), 
+                        socket_cleanup, apr_pool_cleanup_null);
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_socket_connect(apr_socket_t *sock,
+                                             apr_sockaddr_t *sa)
+{
+    if ((connect(sock->socketdes, (struct sockaddr *)&sa->sa.sin, 
+                 sa->salen) < 0) &&
+        (sock_errno() != SOCEINPROGRESS)) {
+        return APR_OS2_STATUS(sock_errno());
+    }
+    else {
+        int namelen = sizeof(sock->local_addr->sa.sin);
+        getsockname(sock->socketdes, (struct sockaddr *)&sock->local_addr->sa.sin, 
+                    &namelen);
+        sock->remote_addr = sa;
+        return APR_SUCCESS;
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_socket_type_get(apr_socket_t *sock, int *type)
+{
+    *type = sock->type;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_socket_data_get(void **data, const char *key,
+                                     apr_socket_t *sock)
+{
+    sock_userdata_t *cur = sock->userdata;
+
+    *data = NULL;
+
+    while (cur) {
+        if (!strcmp(cur->key, key)) {
+            *data = cur->data;
+            break;
+        }
+        cur = cur->next;
+    }
+
+    return APR_SUCCESS;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_socket_data_set(apr_socket_t *sock, void *data, const char *key,
+                                     apr_status_t (*cleanup) (void *))
+{
+    sock_userdata_t *new = apr_palloc(sock->pool, sizeof(sock_userdata_t));
+
+    new->key = apr_pstrdup(sock->pool, key);
+    new->data = data;
+    new->next = sock->userdata;
+    sock->userdata = new;
+
+    if (cleanup) {
+        apr_pool_cleanup_register(sock->pool, data, cleanup, cleanup);
+    }
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_sock_get(apr_os_sock_t *thesock, apr_socket_t *sock)
+{
+    *thesock = sock->socketdes;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_sock_make(apr_socket_t **apr_sock, 
+                                           apr_os_sock_info_t *os_sock_info, 
+                                           apr_pool_t *cont)
+{
+    alloc_socket(apr_sock, cont);
+    set_socket_vars(*apr_sock, os_sock_info->family, os_sock_info->type, os_sock_info->protocol);
+    (*apr_sock)->timeout = -1;
+    (*apr_sock)->socketdes = *os_sock_info->os_sock;
+    if (os_sock_info->local) {
+        memcpy(&(*apr_sock)->local_addr->sa.sin, 
+               os_sock_info->local, 
+               (*apr_sock)->local_addr->salen);
+        /* XXX IPv6 - this assumes sin_port and sin6_port at same offset */
+        (*apr_sock)->local_addr->port = ntohs((*apr_sock)->local_addr->sa.sin.sin_port);
+    }
+    else {
+        (*apr_sock)->local_port_unknown = (*apr_sock)->local_interface_unknown = 1;
+    }
+    if (os_sock_info->remote) {
+        memcpy(&(*apr_sock)->remote_addr->sa.sin, 
+               os_sock_info->remote,
+               (*apr_sock)->remote_addr->salen);
+        /* XXX IPv6 - this assumes sin_port and sin6_port at same offset */
+        (*apr_sock)->remote_addr->port = ntohs((*apr_sock)->remote_addr->sa.sin.sin_port);
+    }
+    else {
+        (*apr_sock)->remote_addr_unknown = 1;
+    }
+        
+    apr_pool_cleanup_register((*apr_sock)->pool, (void *)(*apr_sock), 
+                        socket_cleanup, apr_pool_cleanup_null);
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_sock_put(apr_socket_t **sock, apr_os_sock_t *thesock, apr_pool_t *cont)
+{
+    if (cont == NULL) {
+        return APR_ENOPOOL;
+    }
+    if ((*sock) == NULL) {
+        alloc_socket(sock, cont);
+        set_socket_vars(*sock, AF_INET, SOCK_STREAM, 0);
+        (*sock)->timeout = -1;
+    }
+
+    (*sock)->local_port_unknown = (*sock)->local_interface_unknown = 1;
+    (*sock)->remote_addr_unknown = 1;
+    (*sock)->socketdes = *thesock;
+    return APR_SUCCESS;
+}
+
+APR_POOL_IMPLEMENT_ACCESSOR(socket);
+
+APR_IMPLEMENT_INHERIT_SET(socket, inherit, pool, socket_cleanup)
+
+APR_IMPLEMENT_INHERIT_UNSET(socket, inherit, pool, socket_cleanup)
+