2 * Copyright (C) 2005-2008 Atsushi Konno All rights reserved.
3 * Copyright (C) 2005 QSDN,Inc. All rights reserved.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 #include "chxj_serf.h"
19 #include "apr_pools.h"
21 typedef struct __app_ctx_t app_ctx_t;
22 typedef struct __handler_ctx_t handler_ctx_t;
26 serf_ssl_context_t *ssl_ctx;
27 serf_bucket_alloc_t *bkt_alloc;
30 struct __handler_ctx_t {
31 #if APR_MAJOR_VERSION > 0
32 apr_uint32_t requests_outstanding;
34 apr_atomic_t requests_outstanding;
37 serf_response_acceptor_t acceptor;
38 app_ctx_t *acceptor_ctx;
40 serf_response_handler_t handler;
45 const char *user_agent;
51 apr_size_t response_len;
53 apr_size_t post_data_len;
54 apr_table_t *headers_out;
59 char *default_chxj_serf_get(request_rec *r, apr_pool_t *ppool, const char *url_path, int set_headers_flag, apr_size_t *response_len);
60 char *(*chxj_serf_get)(request_rec *r, apr_pool_t *ppool, const char *url_path, int set_headers_flag, apr_size_t *response_len) = default_chxj_serf_get;
61 char *default_chxj_serf_post(request_rec *r, apr_pool_t *ppool, const char *url_path, char *post_data, apr_size_t post_data_len, int set_headers_flag, apr_size_t *response_len);
62 char *(*chxj_serf_post)(request_rec *r, apr_pool_t *ppool, const char *url_path, char *post_data, apr_size_t post_data_len, int set_headers_flag, apr_size_t *response_len) = default_chxj_serf_post;
66 s_init(apr_pool_t *ppool, apr_pool_t **pool)
68 apr_pool_create(pool, ppool);
69 apr_atomic_init(*pool);
74 static serf_bucket_t *
75 s_connection_setup(apr_socket_t *skt, void *setup_ctx, apr_pool_t *UNUSED(pool))
78 app_ctx_t *ctx = (app_ctx_t *)setup_ctx;
80 c = serf_bucket_socket_create(skt, ctx->bkt_alloc);
82 c = serf_bucket_ssl_decrypt_create(c, ctx->ssl_ctx, ctx->bkt_alloc);
84 ctx->ssl_ctx = serf_bucket_ssl_decrypt_context_get(c);
85 serf_ssl_use_default_certificates(ctx->ssl_ctx);
86 serf_ssl_server_cert_callback_set(ctx->ssl_ctx, NULL, NULL);
95 s_connection_closed(serf_connection_t *UNUSED(conn), void *UNUSED(closed_baton), apr_status_t UNUSED(why), apr_pool_t *UNUSED(pool))
101 static serf_bucket_t *
102 s_accept_response(serf_request_t *request, serf_bucket_t *stream, void *UNUSED(acceptor_baton), apr_pool_t *UNUSED(pool))
104 serf_bucket_alloc_t *bkt_alloc;
107 bkt_alloc = serf_request_get_alloc(request);
108 c = serf_bucket_barrier_create(stream, bkt_alloc);
109 return serf_bucket_response_create(c, bkt_alloc);
114 s_handle_response(serf_request_t *UNUSED(request), serf_bucket_t *response, void *handler_ctx, apr_pool_t *UNUSED(pool))
120 handler_ctx_t *ctx = handler_ctx;
122 rv = serf_bucket_response_status(response, &sl);
123 if (rv != APR_SUCCESS) {
124 if (APR_STATUS_IS_EAGAIN(rv)) {
128 apr_atomic_dec32(&ctx->requests_outstanding);
131 ctx->reason = sl.reason;
134 rv = serf_bucket_read(response, 2048, &data, &len);
135 if (SERF_BUCKET_READ_ERROR(rv)) {
137 apr_atomic_dec32(&ctx->requests_outstanding);
140 if (APR_STATUS_IS_EAGAIN(rv)) {
141 /* 0 byte return if EAGAIN returned. */
142 DBG(ctx->r, "REQ[%X] end of s_handle_response() (EAGAIN) len:[%d]", (unsigned int)(apr_size_t)ctx->r, (int)len);
147 if (! ctx->response) {
148 ctx->response = apr_palloc(ctx->pool, len);
149 ctx->response[0] = 0;
150 ctx->response_len = 0;
153 char *tmp = apr_palloc(ctx->pool, ctx->response_len);
154 memcpy(tmp, ctx->response, ctx->response_len);
155 ctx->response = apr_palloc(ctx->pool, ctx->response_len + len);
156 memcpy(ctx->response, tmp, ctx->response_len);
158 memcpy(&ctx->response[ctx->response_len], data, len);
159 ctx->response_len += len;
160 ctx->response[ctx->response_len] = 0;
163 if (APR_STATUS_IS_EOF(rv)) {
165 char *tmp_headers = "";
166 hdrs = serf_bucket_response_get_headers(response);
168 rv = serf_bucket_read(hdrs, 2048, &data, &len);
169 if (SERF_BUCKET_READ_ERROR(rv))
171 tmp_headers = apr_pstrcat(ctx->pool, tmp_headers, apr_psprintf(ctx->pool , "%.*s", (unsigned int)len, data), NULL);
172 if (APR_STATUS_IS_EOF(rv)) {
176 ctx->headers_out = apr_table_make(ctx->pool, 0);
181 pair = apr_strtok(tmp_headers, "\n", &pstat);
187 char *tpair = apr_pstrdup(ctx->pool, pair);
189 val = strchr(tpair, ':');
193 key = qs_trim_string(ctx->pool, key);
194 val = qs_trim_string(ctx->pool, val);
195 DBG(ctx->r, "key:[%s], val:[%s]", key, val);
196 apr_table_add(ctx->headers_out, key, val);
199 ctx->rv = APR_SUCCESS;
200 apr_atomic_dec32(&ctx->requests_outstanding);
201 DBG(ctx->r, "end of s_handle_response()(NORMAL)");
205 if (APR_STATUS_IS_EAGAIN(rv)) {
206 DBG(ctx->r, "end of s_handle_response() (EAGAIN)");
213 s_setup_request(serf_request_t *request,
215 serf_bucket_t **req_bkt,
216 serf_response_acceptor_t *acceptor,
218 serf_response_handler_t *handler,
220 apr_pool_t *UNUSED(pool))
222 handler_ctx_t *ctx = setup_ctx;
223 serf_bucket_t *hdrs_bkt;
224 serf_bucket_t *body_bkt = NULL;
225 request_rec *r = ctx->r;
228 if (ctx->post_data) {
229 body_bkt = serf_bucket_simple_create(ctx->post_data, ctx->post_data_len, NULL, NULL, serf_request_get_alloc(request));
232 *req_bkt = serf_bucket_request_create(ctx->method, ctx->path, body_bkt, serf_request_get_alloc(request));
233 hdrs_bkt = serf_bucket_request_get_headers(*req_bkt);
236 apr_array_header_t *headers = (apr_array_header_t*)apr_table_elts(r->headers_in);
237 apr_table_entry_t *hentryp = (apr_table_entry_t*)headers->elts;
238 for (ii=headers->nelts-1; ii>=0; ii--) {
239 serf_bucket_headers_setc(hdrs_bkt, hentryp[ii].key, hentryp[ii].val);
240 DBG(ctx->r, "REQ[%X] REQUEST key:[%s], val:[%s]", (unsigned int)(apr_size_t)ctx->r, hentryp[ii].key, hentryp[ii].val);
242 if (ctx->post_data) {
243 serf_bucket_headers_setc(hdrs_bkt, "X-Chxj-Forward", "Done");
244 serf_bucket_headers_setc(hdrs_bkt, "X-Chxj-Content-Length", apr_psprintf(r->pool, "%" APR_SIZE_T_FMT , ctx->post_data_len));
245 DBG(ctx->r, "REQ[%X] REQUEST key:[%s], val:[%s]", (unsigned int)(apr_size_t)ctx->r, "X-Chxj-Forward", "Done");
246 DBG(ctx->r, "REQ[%X] REQUEST key:[%s], val:[%s]", (unsigned int)(apr_size_t)ctx->r, "X-Chxj-Content-Length", apr_psprintf(r->pool, "%" APR_SIZE_T_FMT, ctx->post_data_len));
249 DBG(ctx->r, "REQ[%X] REQUEST Content-Length:[%s]", (unsigned int)(apr_size_t)r, serf_bucket_headers_get(hdrs_bkt, "Content-Length"));
251 apr_atomic_inc32(&(ctx->requests_outstanding));
252 if (ctx->acceptor_ctx->ssl_flag) {
253 serf_bucket_alloc_t *req_alloc;
254 app_ctx_t *app_ctx = ctx->acceptor_ctx;
256 req_alloc = serf_request_get_alloc(request);
258 if (app_ctx->ssl_ctx == NULL) {
259 *req_bkt = serf_bucket_ssl_encrypt_create(*req_bkt, NULL, app_ctx->bkt_alloc);
260 app_ctx->ssl_ctx = serf_bucket_ssl_encrypt_context_get(*req_bkt);
263 *req_bkt = serf_bucket_ssl_encrypt_create(*req_bkt, app_ctx->ssl_ctx, app_ctx->bkt_alloc);
266 *acceptor = ctx->acceptor;
267 *acceptor_ctx = ctx->acceptor_ctx;
268 *handler = ctx->handler;
275 default_chxj_serf_get(request_rec *r, apr_pool_t *ppool, const char *url_path, int set_headers_flag, apr_size_t *response_len)
280 apr_sockaddr_t *address = NULL;
282 serf_context_t *context;
283 serf_connection_t *connection;
286 handler_ctx_t handler_ctx;
290 s_init(ppool, &pool);
292 apr_uri_parse(pool, url_path, &url);
294 url.port = apr_uri_port_of_scheme(url.scheme);
303 url.hostname = "localhost";
306 rv = apr_sockaddr_info_get(&address, url.hostname, APR_UNSPEC, url.port, 0, pool);
307 if (rv != APR_SUCCESS) {
309 ERR(r, "apr_sockaddr_info_get() failed: rv:[%d|%s]", rv, apr_strerror(rv, buf, 256));
312 memset(&app_ctx, 0, sizeof(app_ctx_t));
314 app_ctx.bkt_alloc = serf_bucket_allocator_create(pool, NULL, NULL);
315 if (strcasecmp(url.scheme, "https") == 0) {
316 app_ctx.ssl_flag = 1;
319 context = serf_context_create(pool);
320 connection = serf_connection_create(context, address, s_connection_setup, &app_ctx, s_connection_closed, &app_ctx, pool);
322 memset(&handler_ctx, 0, sizeof(handler_ctx_t));
323 handler_ctx.requests_outstanding = 0;
324 handler_ctx.host = url.hostinfo;
325 handler_ctx.method = "GET";
326 handler_ctx.path = url.path;
327 handler_ctx.user_agent = (char *)apr_table_get(r->headers_in, "User-Agent");
328 handler_ctx.post_data = NULL;
329 handler_ctx.post_data_len = 0;
331 handler_ctx.acceptor = s_accept_response;
332 handler_ctx.acceptor_ctx = &app_ctx;
333 handler_ctx.handler = s_handle_response;
334 handler_ctx.pool = pool;
336 handler_ctx.response_len = 0;
337 handler_ctx.response = NULL;
339 serf_connection_request_create(connection, s_setup_request, &handler_ctx);
342 rv = serf_context_run(context, SERF_DURATION_FOREVER, pool);
343 if (APR_STATUS_IS_TIMEUP(rv))
347 ERR(r, "Error running context: (%d) %s\n", rv, apr_strerror(rv, buf, sizeof(buf)));
350 if (!apr_atomic_read32(&handler_ctx.requests_outstanding)) {
351 if (handler_ctx.rv != APR_SUCCESS) {
353 ERR(r, "Error running context: (%d) %s\n", handler_ctx.rv, apr_strerror(handler_ctx.rv, buf, sizeof(buf)));
359 serf_connection_close(connection);
360 ret = apr_pstrdup(ppool, handler_ctx.response);
361 if (set_headers_flag) {
362 r->headers_out = apr_table_copy(pool, handler_ctx.headers_out);
363 *response_len = handler_ctx.response_len;
364 char *contentType = (char *)apr_table_get(handler_ctx.headers_out, "Content-Type");
366 chxj_set_content_type(r, contentType);
374 default_chxj_serf_post(request_rec *r, apr_pool_t *ppool, const char *url_path, char *post_data, apr_size_t post_data_len, int set_headers_flag, apr_size_t *response_len)
379 apr_sockaddr_t *address = NULL;
381 serf_context_t *context;
382 serf_connection_t *connection;
385 handler_ctx_t handler_ctx;
388 DBG(r, "start chxj_serf_post()");
391 s_init(ppool, &pool);
393 apr_uri_parse(pool, url_path, &url);
395 url.port = apr_uri_port_of_scheme(url.scheme);
404 url.hostname = "localhost";
407 rv = apr_sockaddr_info_get(&address, url.hostname, APR_UNSPEC, url.port, 0, pool);
408 if (rv != APR_SUCCESS) {
410 ERR(r, "apr_sockaddr_info_get() failed: rv:[%d|%s]", rv, apr_strerror(rv, buf, 256));
413 memset(&app_ctx, 0, sizeof(app_ctx_t));
415 app_ctx.bkt_alloc = serf_bucket_allocator_create(pool, NULL, NULL);
416 if (strcasecmp(url.scheme, "https") == 0) {
417 app_ctx.ssl_flag = 1;
420 context = serf_context_create(pool);
421 connection = serf_connection_create(context, address, s_connection_setup, &app_ctx, s_connection_closed, &app_ctx, pool);
423 memset(&handler_ctx, 0, sizeof(handler_ctx_t));
424 handler_ctx.requests_outstanding = 0;
425 handler_ctx.host = url.hostinfo;
426 handler_ctx.method = "POST";
427 handler_ctx.path = url.path;
428 handler_ctx.user_agent = (char *)apr_table_get(r->headers_in, "User-Agent");
429 handler_ctx.post_data = post_data;
430 handler_ctx.post_data_len = post_data_len;
432 handler_ctx.acceptor = s_accept_response;
433 handler_ctx.acceptor_ctx = &app_ctx;
434 handler_ctx.handler = s_handle_response;
435 handler_ctx.pool = pool;
437 handler_ctx.response_len = 0;
438 handler_ctx.response = NULL;
440 serf_connection_request_create(connection, s_setup_request, &handler_ctx);
443 rv = serf_context_run(context, SERF_DURATION_FOREVER, pool);
444 if (APR_STATUS_IS_TIMEUP(rv))
448 ERR(r, "Error running context: (%d) %s\n", rv, apr_strerror(rv, buf, sizeof(buf)));
451 if (!apr_atomic_read32(&handler_ctx.requests_outstanding)) {
452 if (handler_ctx.rv != APR_SUCCESS) {
454 ERR(r, "Error running context: (%d) %s\n", handler_ctx.rv, apr_strerror(handler_ctx.rv, buf, sizeof(buf)));
460 DBG(r, "end of serf request");
461 DBG(r, "response:[%s][%" APR_SIZE_T_FMT "]", handler_ctx.response, handler_ctx.response_len);
462 serf_connection_close(connection);
463 ret = apr_pstrdup(ppool, handler_ctx.response);
464 if (set_headers_flag) {
465 r->headers_out = apr_table_copy(pool, handler_ctx.headers_out);
466 *response_len = handler_ctx.response_len;
467 char *contentType = (char *)apr_table_get(handler_ctx.headers_out, "Content-Type");
469 DBG(r, "response content type[%s]", contentType);
470 chxj_set_content_type(r, apr_pstrdup(r->pool, contentType));
473 DBG(r, "end chxj_serf_post()");