| /* ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 <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; |
| apr_int64_t len; |
| } request_context_t; |
| |
| #define LENGTH_UNKNOWN ((apr_int64_t)-1) |
| |
| |
| 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; |
| ctx->len = LENGTH_UNKNOWN; |
| |
| return serf_bucket_create(&serf_bucket_type_request, allocator, ctx); |
| } |
| |
| void serf_bucket_request_set_CL( |
| serf_bucket_t *bucket, |
| apr_int64_t len) |
| { |
| request_context_t *ctx = (request_context_t *)bucket->data; |
| |
| ctx->len = len; |
| } |
| |
| serf_bucket_t *serf_bucket_request_get_headers( |
| serf_bucket_t *bucket) |
| { |
| return ((request_context_t *)bucket->data)->headers; |
| } |
| |
| void serf_bucket_request_set_root( |
| serf_bucket_t *bucket, |
| const char *root_url) |
| { |
| request_context_t *ctx = (request_context_t *)bucket->data; |
| |
| /* If uri is already absolute, don't change it. */ |
| if (ctx->uri[0] != '/') |
| return; |
| |
| /* If uri is '/' replace it with root_url. */ |
| if (ctx->uri[1] == '\0') |
| ctx->uri = root_url; |
| else |
| ctx->uri = |
| apr_pstrcat(serf_bucket_allocator_get_pool(bucket->allocator), |
| root_url, |
| ctx->uri, |
| NULL); |
| } |
| |
| 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; |
| |
| /* Create a new bucket for this string with a flat string. */ |
| new_data = serf_bstrcatv(bucket->allocator, iov, 4, &nbytes); |
| new_bucket = serf_bucket_simple_own_create(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 we know the length, then use C-L and the raw body. Otherwise, |
| use chunked encoding for the request. */ |
| if (ctx->len != LENGTH_UNKNOWN) { |
| char buf[30]; |
| sprintf(buf, "%" APR_INT64_T_FMT, ctx->len); |
| serf_bucket_headers_set(ctx->headers, "Content-Length", buf); |
| if (ctx->body != NULL) |
| serf_bucket_aggregate_append(bucket, ctx->body); |
| } |
| else if (ctx->body != NULL) { |
| /* Morph the body bucket to a chunked encoding bucket for now. */ |
| serf_bucket_headers_setn(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); |
| } |
| |
| /* Note that this function is only called when serialize_data() |
| hasn't been called on the bucket */ |
| static void serf_request_destroy(serf_bucket_t *bucket) |
| { |
| request_context_t *ctx = bucket->data; |
| |
| serf_bucket_destroy(ctx->headers); |
| |
| if (ctx->body) |
| serf_bucket_destroy(ctx->body); |
| |
| serf_default_destroy_and_data(bucket); |
| } |
| |
| 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. */ |
| } |
| |
| 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_request_destroy, |
| }; |
| |