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HTTP server support for extra response headers

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This commit is contained in:
Andrew Bettison 2013-12-13 14:49:40 +10:30
parent dd1e9f2ffb
commit 98a6fc55d9
2 changed files with 11 additions and 6 deletions
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5
http_server.c
View File

@ -1500,7 +1500,7 @@ static void http_request_receive(struct http_request *r)
result = 500;
}
} else {
HTTP_REQUEST_PARSER oldparser = r->parser;
HTTP_REQUEST_PARSER *oldparser = r->parser;
const char *oldparsed = r->parsed;
if (r->parser == NULL) {
if (r->debug_flag && *r->debug_flag)
@ -1881,6 +1881,9 @@ static int _render_response(struct http_request *r)
strbuf_append_quoted_string(sb, hr.header.www_authenticate.realm);
strbuf_puts(sb, "\r\n");
}
if (r->render_extra_headers)
r->render_extra_headers(r, sb);
assert(strcmp(strbuf_substr(sb, -2), "\r\n") == 0);
strbuf_puts(sb, "\r\n");
if (hr.header.content_length != CONTENT_LENGTH_UNKNOWN)
r->response_length = strbuf_count(sb) + hr.header.content_length;

12
http_server.h
View File

@ -148,7 +148,8 @@ void http_request_response_static(struct http_request *r, int result, const char
void http_request_response_generated(struct http_request *r, int result, const char *mime_type, HTTP_CONTENT_GENERATOR *);
void http_request_simple_response(struct http_request *r, uint16_t result, const char *body);
typedef int (*HTTP_REQUEST_PARSER)(struct http_request *);
typedef int HTTP_REQUEST_PARSER(struct http_request *);
typedef void HTTP_RENDERER(struct http_request *, strbuf);
struct http_request {
struct sched_ent alarm; // MUST BE FIRST ELEMENT
@ -173,12 +174,12 @@ struct http_request {
struct http_request_headers request_header;
// Parsing is done by setting 'parser' to point to a series of parsing
// functions as the parsing state progresses.
HTTP_REQUEST_PARSER parser; // current parser function
HTTP_REQUEST_PARSER *parser; // current parser function
// The caller may set these up, and they are invoked by the parser as request
// parsing reaches different stages.
HTTP_REQUEST_PARSER handle_first_line; // called after first line is parsed
HTTP_REQUEST_PARSER handle_headers; // called after all HTTP headers are parsed
HTTP_REQUEST_PARSER handle_content_end; // called after all content is received
HTTP_REQUEST_PARSER *handle_first_line; // called after first line is parsed
HTTP_REQUEST_PARSER *handle_headers; // called after all HTTP headers are parsed
HTTP_REQUEST_PARSER *handle_content_end; // called after all content is received
// The following are used for managing the buffer during RECEIVE phase.
const char *reserved; // end of reserved data in buffer[]
const char *received; // start of received data in buffer[]
@ -194,6 +195,7 @@ struct http_request {
// The following are used for constructing the response that will be sent in
// TRANSMIT phase.
struct http_response response;
HTTP_RENDERER *render_extra_headers;
// The following are used during TRANSMIT phase to control buffering and
// sending.
http_size_t response_length; // total response bytes (header + content)