moved request parser to generic parser. This is now able to create either a request or a response message dependent on the initial message line (version first or last). TODO change constructor of response to use a len parameter for the reason

include/http/request/parser.h → include/http/parser.h

@@ -21,11 +21,11 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#ifndef __HTTP_REQUEST_PARSER_H__
-#define __HTTP_REQUEST_PARSER_H__
+#ifndef __HTTP_PARSER_H__
+#define __HTTP_PARSER_H__
 
 #include "class.h"
-#include "http/request.h"
+#include "http/message.h"
 #include "http/message/queue.h"
 #include "cbuf.h"
 
@@ -38,36 +38,33 @@
 #endif
 
 
-typedef enum e_HttpRequestState {
-	HTTP_REQUEST_GARBAGE=0,
-	HTTP_REQUEST_START,
-	HTTP_REQUEST_REQUEST_LINE_DONE,
-	HTTP_REQUEST_HEADERS_DONE,
-	HTTP_REQUEST_DONE
-} HttpRequestState;
+typedef enum e_HttpMessageState {
+	HTTP_MESSAGE_GARBAGE=0,
+	HTTP_MESSAGE_START,
+	HTTP_MESSAGE_INTRO_DONE,
+	HTTP_MESSAGE_HEADERS_DONE,
+	HTTP_MESSAGE_DONE
+} HttpMessageState;
 
 
-CLASS(HttpRequestParser) {
+CLASS(HttpParser) {
 	Cbuf             buffer;
 	void *           ourLock;
 
 	char *           incomplete;
 	size_t           isize;
 
-	HttpMessageQueue request_queue;
-	HttpRequest      cur_request;
+	HttpMessageQueue queue;
+	HttpMessage      current;
 
-	HttpRequestState state;
+	HttpMessageState state;
 };
 
-ssize_t httpRequestParserParse(HttpRequestParser, int);
-void    httpRequestParserGetBody(HttpRequestParser);
+ssize_t httpParserParse(void *, int);
+void    httpParserHeader(HttpParser, const char *, const char *);
+void    httpParserNewMessage(HttpParser, const char *, const char * lend);
+size_t  httpParserBody(HttpParser, const char *, size_t);
 
-void    httpRequestParserGetRequestLine(
-		HttpRequest, const char *, const char *);
-void    httpRequestParserGetHeader(
-		HttpRequest, const char *, const char *);
-
-#endif // __HTTP_REQUEST_PARSER_H__
+#endif // __HTTP_PARSER_H__
 
 // vim: set ts=4 sw=4:

include/http/worker.h

@@ -27,7 +27,7 @@
 #include <sys/types.h>
 
 #include "class.h"
-#include "http/request/parser.h"
+#include "http/parser.h"
 #include "http/response/writer.h"
 #include "cbuf.h"
 
@@ -49,13 +49,10 @@ CLASS(HttpWorker) {
 	Cbuf               pbuf;
 	Cbuf               wbuf;
 
-	HttpRequestParser  parser;
+	HttpParser  parser;
 	HttpResponseWriter writer;
 };
 
-ssize_t httpWorkerProcess(HttpWorker, int);
-ssize_t httpWorkerWrite(HttpWorker, int);
-
 #endif // __HTTP_WORKER_H__
 
 // vim: set ts=4 sw=4:

include/utils/http.h

@@ -0,0 +1,16 @@
+#ifndef __UTILS_HTTP_H__
+#define __UTILS_HTTP_H__
+
+#include <sys/types.h>
+
+#include "http/message.h"
+
+char        isHttpVersion(const char *, size_t);
+HttpMessage httpGetMessage(
+		const char *, size_t,
+		const char *, size_t,
+		const char *, size_t);
+
+#endif // __UTILS_HTTP_H__
+
+// vim: set ts=4 sw=4:

src/Makefile.am

@@ -14,24 +14,38 @@ CB     = cbuf.c cbuf/read.c cbuf/write.c \
 	 cbuf/inc_read.c cbuf/inc_write.c cbuf/is_empty.c cbuf/memchr.c \
 	 cbuf/skip_non_alpha.c cbuf/is_locked.c cbuf/lock.c cbuf/release.c \
 	 cbuf/empty.c
-MSG    = http/message.c http/message/queue.c http/message/has_keep_alive.c \
-	 http/message/header_size_get.c http/message/header_to_string.c \
-	 http/message/get_version.c http/message/has_valid_version.c
-REQ    = http/request.c http/request/has_valid_method.c
+MSG    = http/message.c \
+	 http/message/has_keep_alive.c \
+	 http/message/header_size_get.c \
+	 http/message/header_to_string.c \
+	 http/message/get_version.c \
+	 http/message/has_valid_version.c
+MSGQ   = http/message/queue.c
+REQ    = http/request.c \
+	 http/request/has_valid_method.c
 RESP   = http/response.c \
 	 http/response/304.c \
 	 http/response/404.c \
 	 http/response/asset.c \
 	 http/response/me.c
-WORKER = http/worker.c http/worker/process.c http/worker/write.c \
-	 http/worker/get_asset.c http/worker/add_common_header.c
+PARSER = http/parser.c \
+	 http/parser/parse.c \
+	 http/parser/new_message.c \
+	 http/parser/header.c \
+	 http/parser/body.c
+WORKER = http/worker.c \
+	 http/worker/process.c \
+	 http/worker/write.c \
+	 http/worker/get_asset.c \
+	 http/worker/add_common_header.c
 WRITER = http/response/writer.c http/response/writer/write.c
 HEADER = http/header.c http/header/get.c http/header/add.c \
 	 http/header/to_string.c
-PARSER = http/request/parser.c http/request/parser/get_header.c \
-	 http/request/parser/parse.c http/request/parser/get_request_line.c \
-	 http/request/parser/get_body.c
-UTILS  = utils/hash.c utils/memory.c utils/daemonize.c utils/signalHandling.c
+UTILS  = utils/hash.c \
+	 utils/memory.c \
+	 utils/http.c \
+	 utils/daemonize.c \
+	 utils/signalHandling.c
 
 
 AM_CFLAGS = -Wall -I ../include/
@@ -41,6 +55,6 @@ bin_PROGRAMS = testserver
 testserver_SOURCES = testserver.c \
 		     $(IFACE) $(SOCKET) $(SERVER) $(LOGGER) $(MSG) $(REQ) \
 		     $(WRITER) $(RESP) $(HEADER) $(PARSER) $(WORKER) $(CB) \
-		     $(UTILS)
+		     $(UTILS) $(MSGQ)
 testserver_CFLAGS  = -Wall -I ../include/
 testserver_LDFLAGS = -lrt

src/http/message/has_keep_alive.c

@@ -28,6 +28,13 @@
 #include "http/request.h"
 #include "http/header.h"
 
+#ifndef TRUE
+#define TRUE	1
+#endif
+
+#ifndef FALSE
+#define FALSE	0
+#endif
 
 char
 httpMessageHasKeepAlive(HttpMessage message)
@@ -35,7 +42,6 @@ httpMessageHasKeepAlive(HttpMessage message)
 	HttpHeader  header;
 	size_t      size;
 	char *      value;
-	char *      keep_alive = "keep-alive";
 
 	header = httpHeaderGet(
 			&(message->header),
@@ -46,21 +52,10 @@ httpMessageHasKeepAlive(HttpMessage message)
 		return 0;
 	}
 
-	if ((sizeof("keep-alive")-1) != (header->nvalue)[0]) {
-		return 0;
-	}
-
 	size  = (header->nvalue)[0];
 	value = (header->value)[0];
 
-	for (; 0 < size && tolower(*value) == *keep_alive;
-			size--, value++, keep_alive++);
-
-	if (0 == size) {
-		return 1;
-	}
-
-	return 0;
+	return (0 == strncasecmp("keep-alive", value, size))? 1 : 0;
 }
 
 // vim: set ts=4 sw=4:

src/http/message/has_valid_version.c

@@ -23,6 +23,7 @@
 #include <string.h>
 
 #include "http/message.h"
+#include "utils/http.h"
 
 int
 httpMessageHasValidVersion(HttpMessage this)
@@ -30,18 +31,12 @@ httpMessageHasValidVersion(HttpMessage this)
 	int major;
 	int minor;
 
-	if (NULL == this->version)
-		return 0;
-
-	if (8 > strlen(this->version))
+	if (! isHttpVersion(this->version, strlen(this->version)))
 		return 0;
 
 	if (0 > httpMessageGetVersion(this, &major, &minor))
 		return 0;
 
-	if (0 != memcmp("HTTP/", this->version, sizeof("HTTP/")-1))
-		return 0;
-
 	if (1 != major)
 		return 0;
 

src/http/request/parser.c → src/http/parser.c

@@ -28,9 +28,10 @@
 #include "interface/class.h"
 #include "interface/stream_reader.h"
 
-#include "http/request/parser.h"
+#include "http/parser.h"
 #include "http/message/queue.h"
 #include "http/request.h"
+#include "http/response.h"
 #include "cbuf.h"
 
 #include "utils/memory.h"
@@ -38,33 +39,38 @@
 
 static
 int
-requestParserCtor(void * _this, va_list * params)
+httpParserCtor(void * _this, va_list * params)
 {
-	HttpRequestParser this = _this;
+	HttpParser this = _this;
 
 	this->buffer = va_arg(* params, Cbuf);
-	this->request_queue = new(HttpMessageQueue);
+
+	if (NULL == this->buffer) {
+		return -1;
+	}
+
+	this->queue = new(HttpMessageQueue);
 
 	return 0;
 }
 
 static
 void
-requestParserDtor(void * _this)
+httpParserDtor(void * _this)
 {
-	HttpRequestParser this = _this;
+	HttpParser this = _this;
 
-	delete(this->request_queue);
+	delete(this->queue);
 
 	if (TRUE == this->ourLock)
 		cbufRelease(this->buffer);
 
 	FREE(this->incomplete);
-	delete(this->cur_request);
+	delete(this->current);
 } 
 
-INIT_IFACE(Class, requestParserCtor, requestParserDtor, NULL);
-INIT_IFACE(StreamReader, (fptr_streamReaderRead)httpRequestParserParse);
-CREATE_CLASS(HttpRequestParser, NULL, IFACE(Class), IFACE(StreamReader));
+INIT_IFACE(Class, httpParserCtor, httpParserDtor, NULL);
+INIT_IFACE(StreamReader, httpParserParse);
+CREATE_CLASS(HttpParser, NULL, IFACE(Class), IFACE(StreamReader));
 
 // vim: set ts=4 sw=4:

src/http/request/parser/get_header.c → src/http/parser/body.c

@@ -20,31 +20,31 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include <string.h>
+#include <stdlib.h>
 #include <sys/types.h>
 
-#include "class.h"
-#include "interface/class.h"
 #include "http/header.h"
 #include "http/message.h"
-#include "http/request/parser.h"
-#include "ringbuffer.h"
-
-void
-httpRequestParserGetHeader(
-		HttpMessage message,
-		const char * line,
-		const char * line_end)
+#include "http/parser.h"
+#include "cbuf.h"
+
+#define MAX(a,b)	(((a) > (b))? (a) : (b))
+
+size_t
+httpParserBody(HttpParser this, const char * buf, size_t nbuf)
 {
-	const char * name  = line;
-	char * value = memchr(line, ':', line_end - line);
-	size_t nname = (value++) - name;
+	size_t      len     = 0;
+	HttpMessage current = this->current;
+
+	if (current->dbody < current->nbody) {
+		len = MAX(current->nbody - current->dbody, nbuf);
+
+		memcpy(current->body, buf, len);
 
-	for (; *value == ' ' && *value != 0; value++);
+		current->dbody += len;
+	}
 
-	httpHeaderAdd(
-			&(message->header),
-			new(HttpHeader, name, nname, value, line_end - value));
+	return len;
 }
 
 // vim: set ts=4 sw=4:

src/http/request/parser/get_body.c → src/http/parser/header.c

@@ -21,14 +21,14 @@
  */
 
 #include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
 
+#include "class.h"
+#include "interface/class.h"
 #include "http/header.h"
+#include "http/parser.h"
 #include "http/message.h"
-#include "http/request/parser.h"
-#include "cbuf.h"
-
-#define MAX(a,b)	(((a) > (b))? (a) : (b))
-
 
 #define MAX(x,y)    ((x) > (y) ? (x) : (y))
 
@@ -37,41 +37,38 @@
  * @TODO: not final...input buffer handling not final
  */
 void
-httpRequestParserGetBody(HttpRequestParser this)
+httpParserHeader(
+		HttpParser   this,
+		const char * line,
+		const char * lend)
 {
-	HttpMessage message = (HttpMessage)(this->cur_request);
-	size_t len;
-
-	if (0 == message->nbody) {
-		HttpHeader clen = httpHeaderGet(
-				&(message->header),
-				"Content-Length",
-				sizeof("Content-Length")-1);
+	const char * name    = line;
+	char *       value   = memchr(line, ':', lend - line);
+	size_t       nname   = (value++) - name;
+	HttpMessage  current = this->current;
 
-		if (NULL == clen) {
-			this->state = HTTP_REQUEST_DONE;
+	if (NULL == value) {
 		return;
 	}
-		else {
-			message->type  = HTTP_MESSAGE_BUFFERED;
-	 		message->nbody = atoi((clen->value)[0]);
-			if (0 < message->nbody) {
-				message->body  = malloc(message->nbody);
-			}
-			message->dbody = 0;
-		}
-	}
 	this->buffer->bused  -= len;
 
-	if (message->dbody < message->nbody) {
-		len = MAX(
-				message->nbody - message->dbody,
-				this->buffer->bused);
+	for (; *value == ' ' && value < lend; value++);
 
-		memcpy(message->body, cbufGetData(this->buffer, len), len);
+	if (value == lend) {
+		return;
+	}
 
-		message->dbody += len;
+	if (0 == strncasecmp("content-length", name, nname-1)) {
+		current->nbody = strtoul(value, NULL, 10);
+		if (0 < this->current->nbody) {
+			current->body  = malloc(current->nbody);
 		}
+		current->dbody = 0;
+	}
+
+	httpHeaderAdd(
+			&(current->header),
+			new(HttpHeader, name, nname, value, lend - value));
 }
 
 // vim: set ts=4 sw=4:

src/http/parser/new_message.c

@@ -0,0 +1,34 @@
+#include "http/parser.h"
+
+#include "utils/http.h"
+
+void
+httpParserNewMessage(
+		HttpParser   this,
+		const char * line,
+		const char * lend)
+{
+	const char * part1, * part2, * part3;
+	size_t       len1, len2, len3;
+
+	part1 = line;
+	part2 = memchr(line, ' ', lend - line);
+
+	if (NULL == part2) return;
+
+	len1 = part2 - part1;
+	for (; *part2 == ' ' && *part2 != 0; part2++);
+
+	part3 = memchr(part2, ' ', lend - part2);
+
+	if (NULL == part3) return;
+
+	len2 = part3 - part2;
+	for (; *part3 == ' ' && *part3 != 0; part3++);
+
+	len3 = lend - part3;
+
+	this->current = httpGetMessage(part1, len1, part2, len2, part3, len3);
+}
+
+// vim: set ts=4 sw=4:

src/http/request/parser/parse.c → src/http/parser/parse.c

@@ -22,15 +22,15 @@
 
 #include <stdlib.h>
 
-#include "http/request.h"
-#include "http/message.h"
-#include "http/request/parser.h"
+#include "http/parser.h"
 #include "interface/class.h"
+#include "interface/http_intro.h"
 #include "cbuf.h"
 
 ssize_t
-httpRequestParserParse(HttpRequestParser this, int fd)
+httpParserParse(void * _this, int fd)
 {
+	HttpParser this = _this;
 	int        cont = 1;
 	ssize_t    read;
 	char *     line;
@@ -57,11 +57,10 @@ httpRequestParserParse(HttpRequestParser this, int fd)
 
 	while (cont) {
 		switch(this->state) {
-			case HTTP_REQUEST_GARBAGE:
+			case HTTP_MESSAGE_GARBAGE:
 				cbufSkipNonAlpha(this->buffer);
 				if (! cbufIsEmpty(this->buffer)) {
-					this->cur_request = new(HttpRequest);
-					this->state       = HTTP_REQUEST_START;
+					this->state = HTTP_MESSAGE_START;
 				}
 				else {
 					cbufRelease(this->buffer);
@@ -71,7 +70,7 @@ httpRequestParserParse(HttpRequestParser this, int fd)
 
 				break;
 
-			case HTTP_REQUEST_START:
+			case HTTP_MESSAGE_START:
 				if (NULL == (line = cbufGetLine(this->buffer, &line_end))) {
 					if (! cbufIsEmpty(this->buffer)) {
 						this->isize = this->buffer->bused;
@@ -86,22 +85,17 @@ httpRequestParserParse(HttpRequestParser this, int fd)
 					break;
 				}
 
-				httpRequestParserGetRequestLine(this->cur_request, line, line_end);
-				if (! httpRequestHasValidMethod(this->cur_request)) {
-					cbufRelease(this->buffer);
-					this->ourLock = FALSE;
-					return -1;
-				}
-				if (! httpMessageHasValidVersion((HttpMessage)this->cur_request)) {
+				httpParserNewMessage(this, line, line_end);
+				if (NULL == this->current) {
 					cbufRelease(this->buffer);
 					this->ourLock = FALSE;
 					return -1;
 				}
 
-				this->state = HTTP_REQUEST_REQUEST_LINE_DONE;
+				this->state = HTTP_MESSAGE_INTRO_DONE;
 				break;
 
-			case HTTP_REQUEST_REQUEST_LINE_DONE:
+			case HTTP_MESSAGE_INTRO_DONE:
 				if (NULL == (line = cbufGetLine(this->buffer, &line_end))) {
 					if (! cbufIsEmpty(this->buffer)) {
 						this->isize = this->buffer->bused;
@@ -116,46 +110,45 @@ httpRequestParserParse(HttpRequestParser this, int fd)
 					break;
 				}
 
-				if (0 == line_end - this->buffer->buffer - this->buffer->bstart) {
-					this->buffer->bstart += 2;
-					if (this->buffer->bstart >= this->buffer->bsize) {
-						this->buffer->bstart -= this->buffer->bsize;
-					}
-					this->buffer->bused  -= 2;
-
-					this->state = HTTP_REQUEST_HEADERS_DONE;
+				if (0 == strlen(line)) {
+					this->state = HTTP_MESSAGE_HEADERS_DONE;
 					break;
 				}
 
-				httpRequestParserGetHeader(this->cur_request, line, line_end);
+				httpParserHeader(this->current, line, line_end);
 				break;
 
-			case HTTP_REQUEST_HEADERS_DONE:
+			case HTTP_MESSAGE_HEADERS_DONE:
 				{
-					HttpMessage message = (HttpMessage)this->cur_request;
+					cbufIncRead(
+							this->buffer,
+							httpParserBody(
+								this,
+								cbufGetRead(this->buffer),
+								this->buffer->bused));
 
-					httpRequestParserGetBody(this);
 					if (cbufIsEmpty(this->buffer)) {
 						cbufRelease(this->buffer);
 						this->ourLock = FALSE;
 					}
 
-					if (message->dbody == message->nbody) {
-						this->state = HTTP_REQUEST_DONE;
+					if (this->current->dbody == this->current->nbody) {
+						this->state = HTTP_MESSAGE_DONE;
 					}
 				}
 				break;
 
-			case HTTP_REQUEST_DONE:
-				this->request_queue->msgs[(this->request_queue->nmsgs)++] =
-					(HttpMessage)this->cur_request;
-
-				this->cur_request = NULL;
+			case HTTP_MESSAGE_DONE:
+				/**
+				 * enqueue current request
+				 */
+				this->queue->msgs[(this->queue->nmsgs)++] = this->current;
+				this->current                             = NULL;
 
 				/**
 				 * prepare for next request
 				 */
-				this->state = HTTP_REQUEST_GARBAGE;
+				this->state = HTTP_MESSAGE_GARBAGE;
 
 				break;
 
@@ -164,7 +157,7 @@ httpRequestParserParse(HttpRequestParser this, int fd)
 		}
 	}
 
-	return ret;
+	return this->queue->nmsgs;
 }
 
 // vim: set ts=4 sw=4:

src/http/request.c

@@ -37,10 +37,25 @@ static
 int
 httpRequestCtor(void * _this, va_list * params)
 {
-	/**
-	 * the parent is not called by intention. All infomations
-	 * are read from the request stream.
-	 */
+	HttpRequest this = _this;
+	char      * method, * uri;
+	size_t      mlen, ulen;
+
+	method = va_arg(* params, char *);
+	mlen   = va_arg(* params, size_t);
+	uri    = va_arg(* params, char *);
+	ulen   = va_arg(* params, size_t);
+
+	PARENTCALL(_this, Class, ctor, params);
+
+	this->method       = malloc(mlen + 1);
+	this->method[mlen] = 0;
+	memcpy(this->method, method, mlen);
+
+	this->uri       = malloc(ulen + 1);
+	this->uri[ulen] = 0;
+	memcpy(this->uri, uri, ulen);
+
 	return 0;
 }
 

src/http/worker.c

@@ -6,7 +6,7 @@
 
 #include "class.h"
 #include "http/worker.h"
-#include "http/request/parser.h"
+#include "http/parser.h"
 #include "http/response/writer.h"
 
 #include "interface/class.h"
@@ -34,7 +34,7 @@ httpWorkerCtor(void * _this, va_list * params)
 	sprintf(cbuf_id, "%s_%s", "writer", id);
 	this->wbuf   = new(Cbuf, cbuf_id, RESPONSE_WRITER_MAX_BUF);
 
-	this->parser = new(HttpRequestParser, this->pbuf);
+	this->parser = new(HttpParser, this->pbuf);
 	this->writer = new(HttpResponseWriter, this->wbuf);
 
 	return 0;
@@ -67,13 +67,16 @@ _clone(void * _this, void * _base)
 	this->pbuf = NULL;
 	this->wbuf = NULL;
 
-	this->parser = new(HttpRequestParser, base->pbuf);
+	this->parser = new(HttpParser, base->pbuf);
 	this->writer = new(HttpResponseWriter, base->wbuf);
 }
 
+ssize_t httpWorkerProcess(void *, int);
+ssize_t httpWorkerWrite(void *, int);
+
 INIT_IFACE(Class, httpWorkerCtor, httpWorkerDtor, _clone);
-INIT_IFACE(StreamReader, (fptr_streamReaderRead)httpWorkerProcess);
-INIT_IFACE(StreamWriter, (fptr_streamWriterWrite)httpWorkerWrite);
+INIT_IFACE(StreamReader, httpWorkerProcess);
+INIT_IFACE(StreamWriter, httpWorkerWrite);
 CREATE_CLASS(
 		HttpWorker,
 		NULL, 

src/http/worker/process.c

@@ -29,10 +29,7 @@
 #include "http/message.h"
 #include "http/request.h"
 #include "http/message/queue.h"
-#include "http/request/parser.h"
-#include "http/header.h"
-#include "http/request.h"
-#include "http/message.h"
+#include "http/parser.h"
 
 HttpMessage httpWorkerGetAsset(HttpRequest, const char *, const char *, size_t);
 void        httpWorkerAddCommonHeader(HttpMessage, HttpMessage);
@@ -45,9 +42,9 @@ httpWorkerProcess(HttpWorker this, int fd)
 	char        buffer[200];
 	ssize_t     size;
 
-	if (0 < (size = httpRequestParserParse(this->parser, fd))) {
+	if (0 < (size = httpParserParse(this->parser, fd))) {
 		int              i;
-		HttpMessageQueue reqq  = this->parser->request_queue;
+		HttpMessageQueue reqq  = this->parser->queue;
 		HttpMessageQueue respq = this->writer->response_queue;
 
 		for (i=0; i<reqq->nmsgs; i++) {

src/utils/http.c

@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <sys/types.h>
+#include <string.h>
+
+#include "http/message.h"
+#include "http/request.h"
+#include "http/response.h"
+
+#include "interface/class.h"
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+char
+isHttpVersion(const char * str, size_t len)
+{
+	if (NULL == str)
+		return FALSE;
+
+	if (8 > len)
+		return FALSE;
+
+	if (0 != memcmp("HTTP/", str, sizeof("HTTP/")-1))
+		return FALSE;
+
+	return TRUE;
+}
+
+HttpMessage
+httpGetMessage(
+		const char * part1, size_t len1,
+		const char * part2, size_t len2,
+		const char * part3, size_t len3)
+{
+	if (isHttpVersion(part1, len1)) {
+		return new(HttpResponse,
+				part1, len1,
+				strtoul(part2, NULL, 10),
+				part3, len3);
+	}
+
+	if (isHttpVersion(part3, len3)) {
+		return new(HttpRequest,
+				part1, len1,
+				part2, len2,
+				part3, len3);
+	}
+
+	return NULL;
+}
+
+// vim: set ts=4 sw=4: