h2_response *h2_response_clone(apr_pool_t *pool, h2_response *from)
{
h2_response *to = apr_pcalloc(pool, sizeof(h2_response));
to->stream_id = from->stream_id;
to->http_status = from->http_status;
to->content_length = from->content_length;
if (from->headers) {
to->headers = apr_table_clone(pool, from->headers);
}
if (from->trailers) {
to->trailers = apr_table_clone(pool, from->trailers);
}
return to;
}
void _mapcache_source_wms_query(mapcache_context *ctx, mapcache_feature_info *fi)
{
mapcache_map *map = (mapcache_map*)fi;
mapcache_source_wms *wms = (mapcache_source_wms*)map->tileset->source;
apr_table_t *params = apr_table_clone(ctx->pool,wms->wms_default_params);
apr_table_overlap(params,wms->getmap_params,0);
apr_table_setn(params,"BBOX",apr_psprintf(ctx->pool,"%f,%f,%f,%f",
map->extent.minx,map->extent.miny,map->extent.maxx,map->extent.maxy));
apr_table_setn(params,"REQUEST","GetFeatureInfo");
apr_table_setn(params,"WIDTH",apr_psprintf(ctx->pool,"%d",map->width));
apr_table_setn(params,"HEIGHT",apr_psprintf(ctx->pool,"%d",map->height));
apr_table_setn(params,"SRS",map->grid_link->grid->srs);
apr_table_setn(params,"X",apr_psprintf(ctx->pool,"%d",fi->i));
apr_table_setn(params,"Y",apr_psprintf(ctx->pool,"%d",fi->j));
apr_table_setn(params,"INFO_FORMAT",fi->format);
apr_table_overlap(params,wms->getfeatureinfo_params,0);
if(map->dimensions && !apr_is_empty_table(map->dimensions)) {
const apr_array_header_t *elts = apr_table_elts(map->dimensions);
int i;
for(i=0; i<elts->nelts; i++) {
apr_table_entry_t entry = APR_ARRAY_IDX(elts,i,apr_table_entry_t);
apr_table_setn(params,entry.key,entry.val);
}
}
fi->data = mapcache_buffer_create(30000,ctx->pool);
mapcache_http_do_request_with_params(ctx,wms->http,params,fi->data,NULL,NULL);
GC_CHECK_ERROR(ctx);
}
mapcache_http* mapcache_http_clone(mapcache_context *ctx, mapcache_http *orig)
{
mapcache_http *ret = apr_pcalloc(ctx->pool, sizeof(mapcache_http));
ret->headers = apr_table_clone(ctx->pool,orig->headers);
ret->url = apr_pstrdup(ctx->pool, orig->url);
ret->connection_timeout = orig->connection_timeout;
ret->timeout = orig->timeout;
return ret;
}
void h2_request_copy(apr_pool_t *p, h2_request *dst, const h2_request *src)
{
/* keep the dst id */
dst->method = OPT_COPY(p, src->method);
dst->scheme = OPT_COPY(p, src->scheme);
dst->authority = OPT_COPY(p, src->authority);
dst->path = OPT_COPY(p, src->path);
dst->headers = apr_table_clone(p, src->headers);
dst->content_length = src->content_length;
dst->chunked = src->chunked;
dst->eoh = src->eoh;
}
/**
* \private \memberof mapcache_source_wms
* \sa mapcache_source::render_map()
*/
void _mapcache_source_wms_render_map(mapcache_context *ctx, mapcache_map *map)
{
mapcache_source_wms *wms = (mapcache_source_wms*)map->tileset->source;
mapcache_http *http;
apr_table_t *params = apr_table_clone(ctx->pool,wms->wms_default_params);
apr_table_setn(params,"BBOX",apr_psprintf(ctx->pool,"%f,%f,%f,%f",
map->extent.minx,map->extent.miny,map->extent.maxx,map->extent.maxy));
apr_table_setn(params,"WIDTH",apr_psprintf(ctx->pool,"%d",map->width));
apr_table_setn(params,"HEIGHT",apr_psprintf(ctx->pool,"%d",map->height));
apr_table_setn(params,"FORMAT","image/png");
apr_table_setn(params,"SRS",map->grid_link->grid->srs);
apr_table_overlap(params,wms->getmap_params,APR_OVERLAP_TABLES_SET);
if(map->dimensions && !apr_is_empty_table(map->dimensions)) {
const apr_array_header_t *elts = apr_table_elts(map->dimensions);
int i;
for(i=0; i<elts->nelts; i++) {
apr_table_entry_t entry = APR_ARRAY_IDX(elts,i,apr_table_entry_t);
/* set both DIM_key=val and key=val KVP params */
apr_table_setn(params,entry.key,entry.val);
if(strcasecmp(entry.key,"TIME") && strcasecmp(entry.key,"ELEVATION")) {
char *dim_name = apr_pstrcat(ctx->pool,"DIM_",entry.key,NULL);
apr_table_setn(params,dim_name,entry.val);
}
}
}
/* if the source has no LAYERS parameter defined, then use the tileset name
* as the LAYERS to request. When using mirror-mode, the source has no layers
* defined, it is added based on the incoming request
*/
if(!apr_table_get(params,"layers")) {
apr_table_set(params,"LAYERS",map->tileset->name);
}
map->encoded_data = mapcache_buffer_create(30000,ctx->pool);
http = mapcache_http_clone(ctx, wms->http);
http->url = mapcache_http_build_url(ctx,http->url,params);
mapcache_http_do_request(ctx,http,map->encoded_data,NULL,NULL);
GC_CHECK_ERROR(ctx);
if(!mapcache_imageio_is_valid_format(ctx,map->encoded_data)) {
char *returned_data = apr_pstrndup(ctx->pool,(char*)map->encoded_data->buf,map->encoded_data->size);
ctx->set_error(ctx, 502, "wms request for tileset %s returned an unsupported format:\n%s",
map->tileset->name, returned_data);
}
}
apr_status_t h2_task_do(h2_task *task, h2_worker *worker)
{
apr_status_t status = APR_SUCCESS;
h2_config *cfg = h2_config_get(task->mplx->c);
h2_task_env env;
AP_DEBUG_ASSERT(task);
memset(&env, 0, sizeof(env));
env.id = task->id;
env.stream_id = task->stream_id;
env.mplx = task->mplx;
task->mplx = NULL;
env.input_eos = task->input_eos;
env.serialize_headers = !!h2_config_geti(cfg, H2_CONF_SER_HEADERS);
/* Create a subpool from the worker one to be used for all things
* with life-time of this task_env execution.
*/
apr_pool_create(&env.pool, h2_worker_get_pool(worker));
/* Link the env to the worker which provides useful things such
* as mutex, a socket etc. */
env.io = h2_worker_get_cond(worker);
/* Clone fields, so that lifetimes become (more) independent. */
env.method = apr_pstrdup(env.pool, task->method);
env.path = apr_pstrdup(env.pool, task->path);
env.authority = apr_pstrdup(env.pool, task->authority);
env.headers = apr_table_clone(env.pool, task->headers);
/* Setup the pseudo connection to use our own pool and bucket_alloc */
if (task->c) {
env.c = *task->c;
task->c = NULL;
status = h2_conn_setup(&env, worker);
}
else {
status = h2_conn_init(&env, worker);
}
/* save in connection that this one is a pseudo connection, prevents
* other hooks from messing with it. */
h2_ctx_create_for(&env.c, &env);
if (status == APR_SUCCESS) {
env.input = h2_task_input_create(&env, env.pool,
env.c.bucket_alloc);
env.output = h2_task_output_create(&env, env.pool,
env.c.bucket_alloc);
status = h2_conn_process(&env.c, h2_worker_get_socket(worker));
ap_log_cerror(APLOG_MARK, APLOG_TRACE1, status, &env.c,
"h2_task(%s): processing done", env.id);
}
else {
ap_log_cerror(APLOG_MARK, APLOG_WARNING, status, &env.c,
"h2_task(%s): error setting up h2_task_env", env.id);
}
if (env.input) {
h2_task_input_destroy(env.input);
env.input = NULL;
}
if (env.output) {
h2_task_output_close(env.output);
h2_task_output_destroy(env.output);
env.output = NULL;
}
h2_task_set_finished(task);
if (env.io) {
apr_thread_cond_signal(env.io);
}
if (env.pool) {
apr_pool_destroy(env.pool);
env.pool = NULL;
}
if (env.c.id) {
h2_conn_post(&env.c, worker);
}
h2_mplx_task_done(env.mplx, env.stream_id);
return status;
}
