started a response handler and changed serverRun to use it for its response

ChangeLog

@@ -1,6 +1,10 @@
+2012-02-10 19:57:57 +0100 Georg Hopp 
+
+	* started a response handler and changed serverRun to use it for its response (HEAD, master)
+
 2012-02-10 12:42:04 +0100 Georg Hopp 
 
-	* fixed bug at server destructor (HEAD, master)
+	* fixed bug at server destructor (origin/master, origin/HEAD)
 
 2012-02-10 09:59:41 +0100 Georg Hopp 
 
@@ -12,7 +16,7 @@
 
 2012-02-10 08:14:31 +0100 Georg Hopp 
 
-	* now only use keep-alive.... (origin/master, origin/HEAD)
+	* now only use keep-alive....
 
 2012-02-10 06:36:43 +0100 Georg Hopp 
 

TODO

@@ -0,0 +1,2 @@
+VERY BIG TODO:
+- give a contructor a way to fail, so that no object will be created at all

include/http/header.h

@@ -10,8 +10,11 @@ CLASS(HttpHeader) {
 };
 
 HttpHeader httpHeaderParse(char * line);   // @INFO: destructive
+
 void   httpHeaderSort(const HttpHeader [], int);
 char * httpHeaderGet(const HttpHeader [], int, const char *);
+size_t httpHeaderSizeGet(HttpHeader);
+size_t httpHeaderToString(HttpHeader, char *);
 
 #endif // __HTTP_HEADER_H__
 

include/http/request.h

@@ -16,8 +16,8 @@ CLASS(HttpRequest) {
 	int        nbody;
 };
 
-char *
-httpRequestHeaderGet(HttpRequest this, const char * name);
+char * httpRequestHeaderGet(HttpRequest, const char *);
+char   httpRequestHasKeepAlive(HttpRequest);
 
 #endif /* __HTTP_REQUEST_H__ */
 

include/http/response.h

@@ -1,12 +1,16 @@
 #ifndef __HTTP_RESPONSE_H__
 #define __HTTP_RESPONSE_H__
 
+#include <sys/types.h>
+
 #include "class.h"
+#include "http/header.h"
+
 
 CLASS(HttpResponse) {
-	char *     http_version;
-	char *     status;
-	char *     reson;
+	char *       version;
+	unsigned int status;
+	char *       reason;
 	
 	HttpHeader   header[128];
 	int          nheader;
@@ -15,8 +19,11 @@ CLASS(HttpResponse) {
 	int          nbody;
 };
 
-char *
-httpRequestHeaderGet(HttpRequest this, const char * name);
+HttpResponse httpResponse404();
+
+void   httpResponseHeaderSet(HttpResponse, const char *, const char *);
+size_t httpResponseSizeGet(HttpResponse);
+size_t httpResponseToString(HttpResponse, char *);
 
 #endif /* __HTTP_RESPONSE_H__ */
 

include/server.h

@@ -43,7 +43,7 @@ CLASS(Server) {
 
 		char         keep_alive;
 
-		char         wbuf[2048];
+		char *       wbuf;
 		char *       rbuf;
 		unsigned int rpos;
 		unsigned int wpos;

src/Makefile.am

@@ -1,20 +1,26 @@
 ACLOCAL_AMFLAGS = -I m4
 AUTOMAKE_OPTIONS = subdir-objects
 
-CLASS  = class.c interface.c interface/class.c
+IFACE  = interface/class.c interface/stream_reader.c interface/logger.c
+CLASS  = class.c interface.c
 SOCKET = socket.c socket/accept.c socket/connect.c socket/listen.c
 SERVER = server.c server/run.c server/close_conn.c
-LOGGER = logger.c logger/stderr.c logger/syslog.c interface/logger.c
-HTTP   = interface/stream_reader.c http/request/parser.c http/request.c \
-	 http/request/queue.c http/header.c http/header/get.c \
-	 http/header/sort.c http/request/parser/get_header.c \
+LOGGER = logger.c logger/stderr.c logger/syslog.c
+REQ    = http/request.c http/request/queue.c http/request/has_keep_alive.c
+RESP   = http/response.c http/response/header_set.c \
+	 http/response/404.c http/response/size_get.c \
+	 http/response/to_string.c
+HEADER = http/header.c http/header/get.c http/header/sort.c \
+	 http/header/size_get.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
 
+
 AM_CFLAGS = -Wall -I ../include/
 
 bin_PROGRAMS = testserver
 
 testserver_SOURCES = testserver.c \
-		     $(CLASS) $(SOCKET) $(SERVER) $(LOGGER) $(HTTP) \
-		     signalHandling.c daemonize.c
+		     $(IFACE) $(CLASS) $(SOCKET) $(SERVER) $(LOGGER) $(REQ) \
+		     $(RESP) $(HEADER) $(PARSER) signalHandling.c daemonize.c
 testserver_CFLAGS  = -Wall -I ../include/

src/http/header/size_get.c

@@ -0,0 +1,16 @@
+#include <sys/types.h>
+
+#include "http/header.h"
+
+size_t
+httpHeaderSizeGet(HttpHeader header)
+{
+	size_t size = 0;
+
+	size += strlen(header->name) + 2;
+	size += strlen(header->value);
+
+	return size;
+}
+
+// vim: set ts=4 sw=4:

src/http/header/to_string.c

@@ -0,0 +1,21 @@
+#include <string.h>
+
+#include "http/header.h"
+
+size_t
+httpHeaderToString(HttpHeader header, char * string)
+{
+	size_t size = httpHeaderSizeGet(header);
+
+	strcpy(string, header->name);
+	string += strlen(string);
+
+	*string++ = ':';
+	*string++ = ' ';
+
+	strcpy(string, header->value);
+
+	return size;
+}
+
+// vim: set ts=4 sw=4:

src/http/request/has_keep_alive.c

@@ -0,0 +1,31 @@
+#include <string.h>
+#include <ctype.h>
+
+#include "http/request.h"
+#include "http/header.h"
+
+
+char
+httpRequestHasKeepAlive(HttpRequest request)
+{
+	char *  header;
+	char *  header_ptr;
+
+	header = httpHeaderGet(request->header, request->nheader, "connection");
+
+	if (NULL == header) {
+		return 0;
+	}
+
+	for (header_ptr = header; 0 != *header_ptr; header_ptr++) {
+		*header_ptr = tolower(*header_ptr);
+	}
+
+	if (0 == strcmp(header, "keep-alive")) {
+		return 1;
+	}
+
+	return 0;
+}
+
+// vim: set ts=4 sw=4:

src/http/response.c

@@ -0,0 +1,60 @@
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include "class.h"
+#include "interface/class.h"
+
+#include "http/response.h"
+
+
+static
+void
+_free(void ** data)
+{
+	if (NULL != *data) {
+		free(*data);
+	}
+}
+
+static
+void
+ctor(void * _this, va_list * params)
+{
+	char * version;
+	char * reason;
+
+	HttpResponse this = _this;
+
+	version      = va_arg(* params, char *);
+	this->status = va_arg(* params, unsigned int);
+	reason       = va_arg(* params, char *);
+
+	this->version = calloc(1, strlen(version)+1);
+	strcpy(this->version, version);
+
+	this->reason  = calloc(1, strlen(reason)+1);
+	strcpy(this->reason, reason);
+}
+
+static
+void
+dtor(void * _this)
+{
+	HttpResponse this = _this;
+	int          i;
+
+	_free((void **)&(this->version));
+	_free((void **)&(this->reason));
+
+	for (i=0; i<128; i++) {
+		if (NULL == (this->header)[i]) break;
+		delete(&(this->header)[i]);
+	}
+
+	_free((void **)&(this->body));
+} 
+
+INIT_IFACE(Class, ctor, dtor, NULL);
+CREATE_CLASS(HttpResponse, NULL, IFACE(Class));
+
+// vim: set ts=4 sw=4:

src/http/response/404.c

@@ -0,0 +1,49 @@
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <time.h>
+
+#include "class.h"
+#include "interface/class.h"
+
+#include "http/response.h"
+
+
+#define RESP_DATA "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n" \
+	"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n" \
+	" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n" \
+	"<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n" \
+	"<head><title>404 - Not Found</title></head>" \
+	"<body><h1>404 - Not Found</h1></body>" \
+	"</html>"
+
+
+HttpResponse
+httpResponse404()
+{
+	time_t       t;
+	struct tm *  tmp;
+	char         buffer[200];
+	HttpResponse response;
+
+	response = new(HttpResponse, "HTTP/1.1", 404, "Not Found");
+
+	httpResponseHeaderSet(response, "Content-Type", "text/html");
+	httpResponseHeaderSet(response, "Server", "testserver");
+
+	response->nbody = sizeof(RESP_DATA) - 1;
+	response->body  = calloc(1, sizeof(RESP_DATA));
+	strcpy(response->body, RESP_DATA);
+
+	sprintf(buffer, "%d", response->nbody);
+	httpResponseHeaderSet(response, "Content-Length", buffer);
+
+	t   = time(NULL);
+	tmp = localtime(&t);
+	strftime(buffer, sizeof(buffer), "%a, %d %b %Y %T %Z", tmp);
+	httpResponseHeaderSet(response, "Date", buffer);
+
+	return response;
+}
+
+// vim: set ts=4 sw=4:

src/http/response/header_set.c

@@ -0,0 +1,13 @@
+#include "class.h"
+#include "interface/class.h"
+
+#include "http/response.h"
+#include "http/header.h"
+
+void
+httpResponseHeaderSet(HttpResponse this, const char * name, const char * value)
+{
+	(this->header)[this->nheader++] = new(HttpHeader, name, value);
+}
+
+// vim: set ts=4 sw=4:

src/http/response/size_get.c

@@ -0,0 +1,27 @@
+#include <string.h>
+#include <sys/types.h>
+
+#include "http/response.h"
+#include "http/header.h"
+
+size_t
+httpResponseSizeGet(HttpResponse response)
+{
+	int    i;
+	size_t size = 0;
+
+	size += strlen(response->version) + 1;
+	size += 4; // for status
+	size += strlen(response->reason) + 2;
+
+	for (i=0; i<response->nheader; i++) {
+		size += httpHeaderSizeGet(response->header[i]) + 2;
+	}
+
+	size += 2;
+	size += response->nbody;
+
+	return size;
+}
+
+// vim: set ts=4 sw=4:

src/http/response/to_string.c

@@ -0,0 +1,46 @@
+#include <string.h>
+#include <stdio.h>
+
+#include "http/response.h"
+#include "http/header.h"
+
+size_t
+httpResponseToString(HttpResponse response, char * string)
+{
+	int    i;
+	size_t size = httpResponseSizeGet(response);
+	char   status[4];
+
+	snprintf(status, 4, "%d", response->status);
+
+	strcpy(string, response->version);
+	string += strlen(string);
+
+	*string++ = ' ';
+
+	strcpy(string, status);
+	string += strlen(string);
+
+	*string++ = ' ';
+
+	strcpy(string, response->reason);
+	string += strlen(string);
+
+	*string++ = '\r';
+	*string++ = '\n';
+
+	for (i=0; i<response->nheader; i++) {
+		string += httpHeaderToString(response->header[i], string);
+		*string++ = '\r';
+		*string++ = '\n';
+	}
+
+	*string++ = '\r';
+	*string++ = '\n';
+
+	memcpy(string, response->body, response->nbody);
+
+	return size;
+}
+
+// vim: set ts=4 sw=4:

src/server.c

@@ -36,14 +36,14 @@ dtor(void * _this)
 	Server this = _this;
     int    i;
 
-	printf("nfds: %d\n", this->nfds);
-
     for (i=1; i<this->nfds; i++) {
 		/*
 		 * @TODO do some finalization...buffer handling...etc.
 		 */
 		delete(&(this->conns[(this->fds)[i].fd]).sock);
 		delete(&(this->conns[(this->fds)[i].fd]).reader);
+		if (this->conns[(this->fds)[i].fd].wbuf)
+			free(this->conns[(this->fds)[i].fd].wbuf);
     }
 
 	delete(&this->sock);

src/server/run.c

@@ -18,7 +18,7 @@
 #include "http/request.h"
 #include "http/request/parser.h"
 #include "http/request/queue.h"
-#include "http/header.h"
+#include "http/response.h"
 //* until here
 
 #undef  MAX
@@ -82,72 +82,35 @@ serverRun(Server this)
 
 						for (j=0; j<queue->nrequests; j++) {
 							HttpRequest  request = queue->requests[j];
-							char *  header;
-							char *  header_ptr;
+							HttpResponse response;
 
-							//if (NULL != request->body) {
-							//	puts("==REQUEST BODY==");
-							//	puts(request->body);
-							//}
-
-							header = httpHeaderGet(
-									request->header,
-									request->nheader,
-									"connection");
-
-							if (NULL != header) {
-								for (header_ptr = header;
-										0 != *header_ptr;
-										header_ptr++) {
-									*header_ptr = tolower(*header_ptr);
-								}
-
-								if (0 == strcmp(header, "keep-alive")) {
-									(this->conns)[fd].keep_alive = 1;
-								}
-							}
 							/**
 							 * @TODO: for now simply remove request and send not found.
 							 * Make this sane.
 							 */
+							response = httpResponse404();
 
-							delete(&request);
-
-							/**
-							 * @TODO: the complete response stuff have to be removed here.
-							 */
-							time_t t;
-							struct tm * tmp;
-							char timestr[200];
-
-#define RESP_HEAD "HTTP/1.1 404 Not Found\r\n" \
-							"Content-Type: text/html\r\n" \
-							"Content-Length: %lu\r\n" \
-							"Date: %s\r\n" \
-							"Server: testserver\r\n"
-
-#define RESP_DATA "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?>\n" \
-							"<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n" \
-							" \"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n" \
-							"<html xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">\n" \
-							"<head><title>404 - Not Found</title></head>" \
-							"<body><h1>404 - Not Found</h1></body>" \
-							"</html>"
-
-							t = time(NULL);
-							tmp = localtime(&t);
-							strftime(timestr, sizeof(timestr), "%a, %d %b %Y %T %Z", tmp);
-
-							/**
-							 * @TODO: just to send an answer and be able to make some
-							 * apache benchs i do it here...this definetly MUST BE moved
-							 */
-							if ((this->conns)[fd].keep_alive) {
-								sprintf((this->conns)[fd].wbuf, RESP_HEAD "Connection: Keep-Alive\r\n\r\n" RESP_DATA, sizeof(RESP_DATA) - 1, timestr);
+							if (httpRequestHasKeepAlive(request)) {
+								httpResponseHeaderSet(
+										response,
+										"Connection",
+										"Keep-Alive");
 							}
 							else {
-								sprintf((this->conns)[fd].wbuf, RESP_HEAD "Connection: close\r\n\r\n" RESP_DATA, sizeof(RESP_DATA) - 1, timestr);
+								httpResponseHeaderSet(
+										response,
+										"Connection",
+										"Close");
 							}
+
+							delete(&request);
+
+							(this->conns)[fd].wbuf = calloc(
+									1, httpResponseSizeGet(response) + 1);
+							httpResponseToString(response, (this->conns)[fd].wbuf);
+
+							delete(&response);
+
 							(this->fds)[i].events |= POLLOUT;
 						}
 
@@ -180,6 +143,8 @@ serverRun(Server this)
 					else {
 						serverCloseConn(this, i);
 					}
+					free((this->conns)[fd].wbuf);
+					(this->conns)[fd].wbuf = NULL;
 				}
 				else {
 					memmove((this->conns)[fd].wbuf,