2 * Copyright (C) 2005-2009 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;
52 apr_size_t response_len;
54 apr_size_t post_data_len;
55 apr_table_t *headers_out;
60 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);
61 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;
62 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, int *response_code);
63 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, int *response_code) = default_chxj_serf_post;
64 apr_table_t *default_chxj_serf_head(request_rec *r, apr_pool_t *ppool, const char *url_path, int *response_code);
65 apr_table_t *(*chxj_serf_head)(request_rec *r, apr_pool_t *ppool, const char *url_path, int *response_code) = default_chxj_serf_head;
69 s_init(apr_pool_t *ppool, apr_pool_t **pool)
71 apr_pool_create(pool, ppool);
72 apr_atomic_init(*pool);
77 static serf_bucket_t *
78 s_connection_setup(apr_socket_t *skt, void *setup_ctx, apr_pool_t *UNUSED(pool))
81 app_ctx_t *ctx = (app_ctx_t *)setup_ctx;
83 c = serf_bucket_socket_create(skt, ctx->bkt_alloc);
85 c = serf_bucket_ssl_decrypt_create(c, ctx->ssl_ctx, ctx->bkt_alloc);
87 ctx->ssl_ctx = serf_bucket_ssl_decrypt_context_get(c);
88 serf_ssl_use_default_certificates(ctx->ssl_ctx);
89 serf_ssl_server_cert_callback_set(ctx->ssl_ctx, NULL, NULL);
98 s_connection_closed(serf_connection_t *UNUSED(conn), void *UNUSED(closed_baton), apr_status_t UNUSED(why), apr_pool_t *UNUSED(pool))
104 static serf_bucket_t *
105 s_accept_response(serf_request_t *request, serf_bucket_t *stream, void *UNUSED(acceptor_baton), apr_pool_t *UNUSED(pool))
107 serf_bucket_alloc_t *bkt_alloc;
110 bkt_alloc = serf_request_get_alloc(request);
111 c = serf_bucket_barrier_create(stream, bkt_alloc);
112 return serf_bucket_response_create(c, bkt_alloc);
117 s_handle_response(serf_request_t *UNUSED(request), serf_bucket_t *response, void *handler_ctx, apr_pool_t *UNUSED(pool))
123 handler_ctx_t *ctx = handler_ctx;
125 rv = serf_bucket_response_status(response, &sl);
126 if (rv != APR_SUCCESS) {
127 if (APR_STATUS_IS_EAGAIN(rv)) {
131 apr_atomic_dec32(&ctx->requests_outstanding);
134 ctx->reason = sl.reason;
135 ctx->response_code = sl.code;
138 rv = serf_bucket_read(response, 2048, &data, &len);
139 if (SERF_BUCKET_READ_ERROR(rv)) {
141 apr_atomic_dec32(&ctx->requests_outstanding);
142 DBG(ctx->r, "REQ[%X] end of s_handle_response() (ERROR)", (unsigned int)(apr_size_t)ctx->r);
145 if (APR_STATUS_IS_EAGAIN(rv)) {
146 /* 0 byte return if EAGAIN returned. */
147 DBG(ctx->r, "REQ[%X] end of s_handle_response() (EAGAIN) len:[%d]", (unsigned int)(apr_size_t)ctx->r, (int)len);
152 if (! ctx->response) {
153 ctx->response = apr_palloc(ctx->pool, len);
154 ctx->response[0] = 0;
155 ctx->response_len = 0;
158 char *tmp = apr_palloc(ctx->pool, ctx->response_len);
159 memcpy(tmp, ctx->response, ctx->response_len);
160 ctx->response = apr_palloc(ctx->pool, ctx->response_len + len);
161 memcpy(ctx->response, tmp, ctx->response_len);
163 memcpy(&ctx->response[ctx->response_len], data, len);
164 ctx->response_len += len;
165 ctx->response[ctx->response_len] = 0;
168 if (APR_STATUS_IS_EOF(rv)) {
170 char *tmp_headers = "";
171 hdrs = serf_bucket_response_get_headers(response);
173 rv = serf_bucket_read(hdrs, 2048, &data, &len);
174 if (SERF_BUCKET_READ_ERROR(rv))
176 tmp_headers = apr_pstrcat(ctx->pool, tmp_headers, apr_psprintf(ctx->pool , "%.*s", (unsigned int)len, data), NULL);
177 if (APR_STATUS_IS_EOF(rv)) {
181 ctx->headers_out = apr_table_make(ctx->pool, 0);
186 pair = apr_strtok(tmp_headers, "\n", &pstat);
192 char *tpair = apr_pstrdup(ctx->pool, pair);
194 val = strchr(tpair, ':');
198 key = qs_trim_string(ctx->pool, key);
199 val = qs_trim_string(ctx->pool, val);
200 DBG(ctx->r, "key:[%s], val:[%s]", key, val);
201 apr_table_add(ctx->headers_out, key, val);
204 ctx->rv = APR_SUCCESS;
205 apr_atomic_dec32(&ctx->requests_outstanding);
206 DBG(ctx->r, "REQ[%X] end of s_handle_response()(NORMAL)", (unsigned int)(apr_size_t)ctx->r);
210 if (APR_STATUS_IS_EAGAIN(rv)) {
211 DBG(ctx->r, "REQ[%X] end of s_handle_response() (EAGAIN)", (unsigned int)(apr_size_t)ctx->r);
218 s_setup_request(serf_request_t *request,
220 serf_bucket_t **req_bkt,
221 serf_response_acceptor_t *acceptor,
223 serf_response_handler_t *handler,
225 apr_pool_t *UNUSED(pool))
227 handler_ctx_t *ctx = setup_ctx;
228 serf_bucket_t *hdrs_bkt;
229 serf_bucket_t *body_bkt = NULL;
230 request_rec *r = ctx->r;
233 if (ctx->post_data) {
234 body_bkt = serf_bucket_simple_create(ctx->post_data, ctx->post_data_len, NULL, NULL, serf_request_get_alloc(request));
237 *req_bkt = serf_bucket_request_create(ctx->method, ctx->path, body_bkt, serf_request_get_alloc(request));
238 hdrs_bkt = serf_bucket_request_get_headers(*req_bkt);
241 apr_array_header_t *headers = (apr_array_header_t*)apr_table_elts(r->headers_in);
242 apr_table_entry_t *hentryp = (apr_table_entry_t*)headers->elts;
243 for (ii=headers->nelts-1; ii>=0; ii--) {
244 serf_bucket_headers_setc(hdrs_bkt, hentryp[ii].key, hentryp[ii].val);
245 DBG(ctx->r, "REQ[%X] REQUEST key:[%s], val:[%s]", (unsigned int)(apr_size_t)ctx->r, hentryp[ii].key, hentryp[ii].val);
247 if (ctx->post_data) {
248 serf_bucket_headers_setc(hdrs_bkt, "X-Chxj-Forward", "Done");
249 serf_bucket_headers_setc(hdrs_bkt, "X-Chxj-Content-Length", apr_psprintf(r->pool, "%" APR_SIZE_T_FMT , ctx->post_data_len));
250 DBG(ctx->r, "REQ[%X] REQUEST key:[%s], val:[%s]", (unsigned int)(apr_size_t)ctx->r, "X-Chxj-Forward", "Done");
251 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));
254 DBG(ctx->r, "REQ[%X] REQUEST Content-Length:[%s]", (unsigned int)(apr_size_t)r, serf_bucket_headers_get(hdrs_bkt, "Content-Length"));
256 apr_atomic_inc32(&(ctx->requests_outstanding));
257 if (ctx->acceptor_ctx->ssl_flag) {
258 serf_bucket_alloc_t *req_alloc;
259 app_ctx_t *app_ctx = ctx->acceptor_ctx;
261 req_alloc = serf_request_get_alloc(request);
263 if (app_ctx->ssl_ctx == NULL) {
264 *req_bkt = serf_bucket_ssl_encrypt_create(*req_bkt, NULL, app_ctx->bkt_alloc);
265 app_ctx->ssl_ctx = serf_bucket_ssl_encrypt_context_get(*req_bkt);
268 *req_bkt = serf_bucket_ssl_encrypt_create(*req_bkt, app_ctx->ssl_ctx, app_ctx->bkt_alloc);
271 *acceptor = ctx->acceptor;
272 *acceptor_ctx = ctx->acceptor_ctx;
273 *handler = ctx->handler;
280 default_chxj_serf_get(request_rec *r, apr_pool_t *ppool, const char *url_path, int set_headers_flag, apr_size_t *response_len)
285 apr_sockaddr_t *address = NULL;
287 serf_context_t *context;
288 serf_connection_t *connection;
291 handler_ctx_t handler_ctx;
295 s_init(ppool, &pool);
297 apr_uri_parse(pool, url_path, &url);
299 url.port = apr_uri_port_of_scheme(url.scheme);
308 url.hostname = "localhost";
311 url.path = apr_psprintf(pool, "%s?%s", url.path, url.query);
314 rv = apr_sockaddr_info_get(&address, url.hostname, APR_UNSPEC, url.port, 0, pool);
315 if (rv != APR_SUCCESS) {
317 ERR(r, "REQ[%X] %s:%d apr_sockaddr_info_get() failed: rv:[%d|%s] - Please check DNS settings.",
318 (unsigned int)(apr_size_t)r, __FILE__,__LINE__, rv, apr_strerror(rv, buf, 256));
321 memset(&app_ctx, 0, sizeof(app_ctx_t));
323 app_ctx.bkt_alloc = serf_bucket_allocator_create(pool, NULL, NULL);
324 if (strcasecmp(url.scheme, "https") == 0) {
325 app_ctx.ssl_flag = 1;
328 context = serf_context_create(pool);
329 connection = serf_connection_create(context, address, s_connection_setup, &app_ctx, s_connection_closed, &app_ctx, pool);
331 memset(&handler_ctx, 0, sizeof(handler_ctx_t));
332 handler_ctx.requests_outstanding = 0;
333 handler_ctx.host = url.hostinfo;
334 handler_ctx.method = "GET";
335 handler_ctx.path = url.path;
336 handler_ctx.user_agent = (char *)apr_table_get(r->headers_in, CHXJ_HTTP_USER_AGENT);
337 if (!handler_ctx.user_agent) {
338 handler_ctx.user_agent = (char *)apr_table_get(r->headers_in, HTTP_USER_AGENT);
340 handler_ctx.post_data = NULL;
341 handler_ctx.post_data_len = 0;
343 handler_ctx.acceptor = s_accept_response;
344 handler_ctx.acceptor_ctx = &app_ctx;
345 handler_ctx.handler = s_handle_response;
346 handler_ctx.pool = pool;
348 handler_ctx.response_len = 0;
349 handler_ctx.response = NULL;
351 serf_connection_request_create(connection, s_setup_request, &handler_ctx);
354 rv = serf_context_run(context, SERF_DURATION_FOREVER, pool);
355 if (APR_STATUS_IS_TIMEUP(rv))
359 ERR(r, "Error running context: (%d) %s\n", rv, apr_strerror(rv, buf, sizeof(buf)));
362 if (!apr_atomic_read32(&handler_ctx.requests_outstanding)) {
363 if (handler_ctx.rv != APR_SUCCESS) {
365 ERR(r, "Error running context: (%d) %s\n", handler_ctx.rv, apr_strerror(handler_ctx.rv, buf, sizeof(buf)));
371 serf_connection_close(connection);
372 ret = apr_pstrdup(ppool, handler_ctx.response);
373 if (set_headers_flag) {
374 r->headers_out = apr_table_copy(pool, handler_ctx.headers_out);
375 *response_len = handler_ctx.response_len;
376 char *contentType = (char *)apr_table_get(handler_ctx.headers_out, "Content-Type");
378 chxj_set_content_type(r, contentType);
386 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, int *response_code)
391 apr_sockaddr_t *address = NULL;
393 serf_context_t *context;
394 serf_connection_t *connection;
397 handler_ctx_t handler_ctx;
400 DBG(r, "REQ:[%X] start chxj_serf_post()", (unsigned int)(apr_size_t)r);
403 s_init(ppool, &pool);
405 apr_uri_parse(pool, url_path, &url);
407 url.port = apr_uri_port_of_scheme(url.scheme);
416 url.hostname = "localhost";
419 url.path = apr_psprintf(pool, "%s?%s", url.path, url.query);
422 rv = apr_sockaddr_info_get(&address, url.hostname, APR_UNSPEC, url.port, 0, pool);
423 if (rv != APR_SUCCESS) {
425 ERR(r, "apr_sockaddr_info_get() failed: rv:[%d|%s]", rv, apr_strerror(rv, buf, 256));
428 memset(&app_ctx, 0, sizeof(app_ctx_t));
430 app_ctx.bkt_alloc = serf_bucket_allocator_create(pool, NULL, NULL);
431 if (strcasecmp(url.scheme, "https") == 0) {
432 app_ctx.ssl_flag = 1;
435 context = serf_context_create(pool);
436 connection = serf_connection_create(context, address, s_connection_setup, &app_ctx, s_connection_closed, &app_ctx, pool);
438 memset(&handler_ctx, 0, sizeof(handler_ctx_t));
439 handler_ctx.requests_outstanding = 0;
440 handler_ctx.host = url.hostinfo;
441 handler_ctx.method = "POST";
442 handler_ctx.path = url.path;
443 handler_ctx.user_agent = (char *)apr_table_get(r->headers_in, CHXJ_HTTP_USER_AGENT);
444 if (! handler_ctx.user_agent) {
445 handler_ctx.user_agent = (char *)apr_table_get(r->headers_in, HTTP_USER_AGENT);
447 handler_ctx.post_data = post_data;
448 handler_ctx.post_data_len = post_data_len;
450 handler_ctx.acceptor = s_accept_response;
451 handler_ctx.acceptor_ctx = &app_ctx;
452 handler_ctx.handler = s_handle_response;
453 handler_ctx.pool = pool;
455 handler_ctx.response_len = 0;
456 handler_ctx.response = NULL;
458 serf_connection_request_create(connection, s_setup_request, &handler_ctx);
461 rv = serf_context_run(context, SERF_DURATION_FOREVER, pool);
462 if (APR_STATUS_IS_TIMEUP(rv))
466 ERR(r, "Error running context: (%d) %s\n", rv, apr_strerror(rv, buf, sizeof(buf)));
469 if (!apr_atomic_read32(&handler_ctx.requests_outstanding)) {
470 if (handler_ctx.rv != APR_SUCCESS) {
472 ERR(r, "Error running context: (%d) %s\n", handler_ctx.rv, apr_strerror(handler_ctx.rv, buf, sizeof(buf)));
478 DBG(r, "end of serf request");
479 DBG(r, "response_code:[%d]", handler_ctx.response_code);
480 DBG(r, "response:[%s][%" APR_SIZE_T_FMT "]", handler_ctx.response, handler_ctx.response_len);
481 serf_connection_close(connection);
482 if (handler_ctx.response) {
483 ret = apr_palloc(ppool, handler_ctx.response_len + 1);
484 memset(ret, 0, handler_ctx.response_len + 1);
485 memcpy(ret, handler_ctx.response, handler_ctx.response_len);
488 ret = apr_pstrdup(ppool, "");
490 if (set_headers_flag && !rv) {
491 r->headers_out = apr_table_copy(pool, handler_ctx.headers_out);
492 *response_len = handler_ctx.response_len;
493 char *contentType = (char *)apr_table_get(handler_ctx.headers_out, "Content-Type");
495 DBG(r, "response content type[%s]", contentType);
496 chxj_set_content_type(r, apr_pstrdup(r->pool, contentType));
502 *response_code = handler_ctx.response_code;
503 DBG(r, "REQ:[%X] end chxj_serf_post()", (unsigned int)(apr_size_t)r);
509 default_chxj_serf_head(request_rec *r, apr_pool_t *ppool, const char *url_path, int *response_code)
514 apr_sockaddr_t *address = NULL;
516 serf_context_t *context;
517 serf_connection_t *connection;
520 handler_ctx_t handler_ctx;
523 DBG(r, "REQ:[%X] start chxj_serf_head()", (unsigned int)(apr_size_t)r);
526 s_init(ppool, &pool);
528 apr_uri_parse(pool, url_path, &url);
530 url.port = apr_uri_port_of_scheme(url.scheme);
539 url.hostname = "localhost";
542 url.path = apr_psprintf(pool, "%s?%s", url.path, url.query);
545 rv = apr_sockaddr_info_get(&address, url.hostname, APR_UNSPEC, url.port, 0, pool);
546 if (rv != APR_SUCCESS) {
548 ERR(r, "apr_sockaddr_info_get() failed: rv:[%d|%s]", rv, apr_strerror(rv, buf, 256));
551 memset(&app_ctx, 0, sizeof(app_ctx_t));
553 app_ctx.bkt_alloc = serf_bucket_allocator_create(pool, NULL, NULL);
554 if (strcasecmp(url.scheme, "https") == 0) {
555 app_ctx.ssl_flag = 1;
558 context = serf_context_create(pool);
559 connection = serf_connection_create(context, address, s_connection_setup, &app_ctx, s_connection_closed, &app_ctx, pool);
561 memset(&handler_ctx, 0, sizeof(handler_ctx_t));
562 handler_ctx.requests_outstanding = 0;
563 handler_ctx.host = url.hostinfo;
564 /*========================================================================================================*/
565 /* XXX Maybe, libserf doesn't support the HEAD request. Because the part body is waited for with polling. */
566 /*========================================================================================================*/
567 handler_ctx.method = "GET";
568 handler_ctx.path = url.path;
569 handler_ctx.user_agent = (char *)apr_table_get(r->headers_in, CHXJ_HTTP_USER_AGENT);
570 if (! handler_ctx.user_agent) {
571 handler_ctx.user_agent = (char *)apr_table_get(r->headers_in, HTTP_USER_AGENT);
573 handler_ctx.post_data = NULL;
574 handler_ctx.post_data_len = 0;
576 handler_ctx.acceptor = s_accept_response;
577 handler_ctx.acceptor_ctx = &app_ctx;
578 handler_ctx.handler = s_handle_response;
579 handler_ctx.pool = pool;
581 handler_ctx.response_len = 0;
582 handler_ctx.response = NULL;
584 serf_connection_request_create(connection, s_setup_request, &handler_ctx);
587 rv = serf_context_run(context, SERF_DURATION_FOREVER, pool);
588 if (APR_STATUS_IS_TIMEUP(rv))
592 ERR(r, "Error running context: (%d) %s\n", rv, apr_strerror(rv, buf, sizeof(buf)));
595 if (!apr_atomic_read32(&handler_ctx.requests_outstanding)) {
596 if (handler_ctx.rv != APR_SUCCESS) {
598 ERR(r, "Error running context: (%d) %s\n", handler_ctx.rv, apr_strerror(handler_ctx.rv, buf, sizeof(buf)));
604 DBG(r, "end of serf request");
605 DBG(r, "response_code:[%d]", handler_ctx.response_code);
606 DBG(r, "response:[%s][%" APR_SIZE_T_FMT "]", handler_ctx.response, handler_ctx.response_len);
607 serf_connection_close(connection);
608 if (handler_ctx.response) {
609 ret = apr_pstrdup(ppool, handler_ctx.response);
612 ret = apr_pstrdup(ppool, "");
614 *response_code = handler_ctx.response_code;
615 DBG(r, "REQ:[%X] end chxj_serf_post()", (unsigned int)(apr_size_t)r);
616 return handler_ctx.headers_out;