| /* Copyright 2002-2004 Justin Erenkrantz and Greg Stein |
| * |
| * Licensed 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 <stdlib.h> |
| |
| #include <apr_pools.h> |
| #include <apr_strings.h> |
| |
| #include "serf.h" |
| #include "serf_bucket_util.h" |
| |
| |
| typedef struct { |
| const char *method; |
| const char *uri; |
| serf_bucket_t *headers; |
| serf_bucket_t *body; |
| } request_context_t; |
| |
| SERF_DECLARE(serf_bucket_t *) serf_bucket_request_create( |
| const char *method, |
| const char *uri, |
| serf_bucket_t *body, |
| serf_bucket_alloc_t *allocator) |
| { |
| request_context_t *ctx; |
| |
| ctx = serf_bucket_mem_alloc(allocator, sizeof(*ctx)); |
| ctx->method = method; |
| ctx->uri = uri; |
| ctx->headers = serf_bucket_headers_create(allocator); |
| ctx->body = body; |
| |
| return serf_bucket_create(&serf_bucket_type_request, allocator, ctx); |
| } |
| |
| SERF_DECLARE(serf_bucket_t *) serf_bucket_request_get_headers( |
| serf_bucket_t *bucket) |
| { |
| return ((request_context_t *)bucket->data)->headers; |
| } |
| |
| static void serialize_data(serf_bucket_t *bucket) |
| { |
| request_context_t *ctx = bucket->data; |
| serf_bucket_t *new_bucket; |
| const char *new_data; |
| struct iovec iov[4]; |
| apr_size_t nbytes; |
| |
| /* Serialize the request-line and headers into one mother string, |
| * and wrap a bucket around it. |
| */ |
| iov[0].iov_base = (char*)ctx->method; |
| iov[0].iov_len = strlen(ctx->method); |
| iov[1].iov_base = " "; |
| iov[1].iov_len = sizeof(" ") - 1; |
| iov[2].iov_base = (char*)ctx->uri; |
| iov[2].iov_len = strlen(ctx->uri); |
| iov[3].iov_base = " HTTP/1.1\r\n"; |
| iov[3].iov_len = sizeof(" HTTP/1.1\r\n") - 1; |
| |
| /* ### pool allocation! */ |
| new_data = apr_pstrcatv(serf_bucket_allocator_get_pool(bucket->allocator), |
| iov, 4, &nbytes); |
| |
| /* Create a new bucket for this string. A free function isn't needed |
| * since the string is residing in a pool. |
| */ |
| new_bucket = SERF_BUCKET_SIMPLE_STRING_LEN(new_data, nbytes, |
| bucket->allocator); |
| |
| /* Build up the new bucket structure. |
| * |
| * Note that self needs to become an aggregate bucket so that a |
| * pointer to self still represents the "right" data. |
| */ |
| serf_bucket_aggregate_become(bucket); |
| |
| /* Insert the two buckets. */ |
| serf_bucket_aggregate_append(bucket, new_bucket); |
| serf_bucket_aggregate_append(bucket, ctx->headers); |
| if (ctx->body != NULL) { |
| /* Morph the body bucket to a chunked encoding bucket for now. */ |
| serf_bucket_headers_set(ctx->headers, "Transfer-Encoding", "chunked"); |
| ctx->body = serf_bucket_chunk_create(ctx->body, bucket->allocator); |
| serf_bucket_aggregate_append(bucket, ctx->body); |
| } |
| |
| /* Our private context is no longer needed, and is not referred to by |
| * any existing bucket. Toss it. |
| */ |
| serf_bucket_mem_free(bucket->allocator, ctx); |
| } |
| |
| static apr_status_t serf_request_read(serf_bucket_t *bucket, |
| apr_size_t requested, |
| const char **data, apr_size_t *len) |
| { |
| /* Seralize our private data into a new aggregate bucket. */ |
| serialize_data(bucket); |
| |
| /* Delegate to the "new" aggregate bucket to do the read. */ |
| return serf_bucket_read(bucket, requested, data, len); |
| } |
| |
| static apr_status_t serf_request_readline(serf_bucket_t *bucket, |
| int acceptable, int *found, |
| const char **data, apr_size_t *len) |
| { |
| /* Seralize our private data into a new aggregate bucket. */ |
| serialize_data(bucket); |
| |
| /* Delegate to the "new" aggregate bucket to do the readline. */ |
| return serf_bucket_readline(bucket, acceptable, found, data, len); |
| } |
| |
| static apr_status_t serf_request_read_iovec(serf_bucket_t *bucket, |
| apr_size_t requested, |
| int vecs_size, |
| struct iovec *vecs, |
| int *vecs_used) |
| { |
| /* Seralize our private data into a new aggregate bucket. */ |
| serialize_data(bucket); |
| |
| /* Delegate to the "new" aggregate bucket to do the read. */ |
| return serf_bucket_read_iovec(bucket, requested, |
| vecs_size, vecs, vecs_used); |
| } |
| |
| static apr_status_t serf_request_peek(serf_bucket_t *bucket, |
| const char **data, |
| apr_size_t *len) |
| { |
| /* Seralize our private data into a new aggregate bucket. */ |
| serialize_data(bucket); |
| |
| /* Delegate to the "new" aggregate bucket to do the peek. */ |
| return serf_bucket_peek(bucket, data, len); |
| } |
| |
| SERF_DECLARE(void) serf_bucket_request_become(serf_bucket_t *bucket, |
| const char *method, |
| const char *uri, |
| serf_bucket_t *body) |
| { |
| request_context_t *ctx; |
| |
| ctx = serf_bucket_mem_alloc(bucket->allocator, sizeof(*ctx)); |
| ctx->method = method; |
| ctx->uri = uri; |
| ctx->headers = serf_bucket_headers_create(bucket->allocator); |
| ctx->body = body; |
| |
| bucket->type = &serf_bucket_type_request; |
| bucket->data = ctx; |
| |
| /* The allocator remains the same. */ |
| } |
| |
| SERF_DECLARE_DATA const serf_bucket_type_t serf_bucket_type_request = { |
| "REQUEST", |
| serf_request_read, |
| serf_request_readline, |
| serf_request_read_iovec, |
| serf_default_read_for_sendfile, |
| serf_default_read_bucket, |
| serf_request_peek, |
| serf_default_destroy_and_data, |
| }; |
| |