mirror of
https://github.com/warmcat/libwebsockets.git
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d7f0521aeb
Having unique private header names is a requirement of a particular platform build system it's desirable to work with
150 lines
3.8 KiB
C
150 lines
3.8 KiB
C
/*
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* libwebsockets - small server side websockets and web server implementation
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*
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* Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <private-lib-core.h>
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#include <private-lib-abstract.h>
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extern const lws_abs_transport_t lws_abs_transport_cli_raw_skt,
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lws_abs_transport_cli_unit_test;
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#if defined(LWS_WITH_SMTP)
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extern const lws_abs_protocol_t lws_abs_protocol_smtp;
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#endif
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static const lws_abs_transport_t * const available_abs_transports[] = {
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&lws_abs_transport_cli_raw_skt,
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&lws_abs_transport_cli_unit_test,
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};
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/* HACK: microsoft compiler can't handle zero length array definition */
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#if defined(LWS_WITH_SMTP)
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static const lws_abs_protocol_t * const available_abs_protocols[] = {
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#if defined(LWS_WITH_SMTP)
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&lws_abs_protocol_smtp,
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#endif
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};
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#endif
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const lws_abs_transport_t *
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lws_abs_transport_get_by_name(const char *name)
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{
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int n;
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for (n = 0; n < (int)LWS_ARRAY_SIZE(available_abs_transports); n++)
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if (!strcmp(name, available_abs_transports[n]->name))
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return available_abs_transports[n];
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lwsl_err("%s: cannot find '%s'\n", __func__, name);
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return NULL;
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}
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const lws_abs_protocol_t *
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lws_abs_protocol_get_by_name(const char *name)
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{
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#if defined(LWS_WITH_SMTP)
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int n;
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for (n = 0; n < (int)LWS_ARRAY_SIZE(available_abs_protocols); n++)
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if (!strcmp(name, available_abs_protocols[n]->name))
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return available_abs_protocols[n];
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#endif
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lwsl_err("%s: cannot find '%s'\n", __func__, name);
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return NULL;
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}
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const lws_token_map_t *
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lws_abs_get_token(const lws_token_map_t *token_map, short name_index)
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{
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if (!token_map)
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return NULL;
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do {
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if (token_map->name_index == name_index)
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return token_map;
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token_map++;
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} while (token_map->name_index);
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return NULL;
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}
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void
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lws_abs_destroy_instance(lws_abs_t **ai)
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{
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lws_abs_t *a = *ai;
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if (a->api)
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a->ap->destroy(&a->api);
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if (a->ati)
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a->at->destroy(&a->ati);
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lws_dll2_remove(&a->abstract_instances);
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*ai = NULL;
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free(a);
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}
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lws_abs_t *
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lws_abs_bind_and_create_instance(const lws_abs_t *abs)
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{
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size_t size = sizeof(lws_abs_t) + abs->ap->alloc + abs->at->alloc;
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lws_abs_t *ai;
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/*
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* since we know we will allocate the lws_abs_t, the protocol's
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* instance allocation, and the transport's instance allocation,
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* we merge it into a single heap allocation
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*/
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ai = lws_malloc(size, "abs inst");
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if (!ai)
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return NULL;
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*ai = *abs;
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ai->ati = NULL;
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ai->api = (char *)ai + sizeof(lws_abs_t);
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if (ai->ap->create(ai)) {
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ai->api = NULL;
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goto bail;
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}
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ai->ati = (char *)ai->api + abs->ap->alloc;
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if (ai->at->create(ai)) {
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ai->ati = NULL;
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goto bail;
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}
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/* add us to the vhost's dll2 of instances */
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lws_dll2_clear(&ai->abstract_instances);
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lws_dll2_add_head(&ai->abstract_instances,
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&ai->vh->abstract_instances_owner);
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return ai;
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bail:
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lws_abs_destroy_instance(&ai);
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return NULL;
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}
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