doubango/trunk/tinyHTTP/src/thttp_message.c

356 lines
8.0 KiB
C

/*
* Copyright (C) 2009 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou@yahoo.fr>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file thttp_message.c
* @brief Represents a HTTP message. A HTTP message is either a request from a client to a server, or a
* response from a server to a client.
*
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
*
* @date Created: Sat Nov 8 16:54:58 2009 mdiop
*/
#include "tinyHTTP/thttp_message.h"
#include "tsk_debug.h"
static int pred_find_string_by_value(const tsk_list_item_t *item, const void *stringVal)
{
if(item && item->data)
{
tsk_string_t *string = item->data;
return tsk_stricmp(string->value, stringVal);
}
return -1;
}
/*== Predicate function to find thttp_header_t object by type. */
static int pred_find_header_by_type(const tsk_list_item_t *item, const void *thttp_htype)
{
if(item && item->data)
{
thttp_header_t *header = item->data;
thttp_header_type_t htype = *((thttp_header_type_t*)thttp_htype);
return (header->type - htype);
}
return -1;
}
/*== Predicate function to find thttp_header_t object by name. */
static int pred_find_header_by_name(const tsk_list_item_t *item, const void *name)
{
if(item && item->data)
{
thttp_header_t *header = item->data;
return tsk_stricmp(thttp_header_get_nameex(header), name);
}
return -1;
}
int thttp_message_add_header(thttp_message_t *self, const thttp_header_t *hdr)
{
#define ADD_HEADER(type, field) \
case thttp_htype_##type: \
{ \
if(!self->field) \
{ \
self->field = (thttp_header_##type##_t*)header; \
return 0; \
} \
break; \
}
if(self && hdr)
{
thttp_header_t *header = tsk_object_ref((void*)hdr);
switch(header->type)
{
ADD_HEADER(Content_Type, Content_Type);
ADD_HEADER(Content_Length, Content_Length);
default: break;
}
tsk_list_push_back_data(self->headers, (void**)&header);
return 0;
}
return -1;
}
int thttp_message_add_headers(thttp_message_t *self, const thttp_headers_L_t *headers)
{
tsk_list_item_t *item = 0;
if(self)
{
tsk_list_foreach(item, headers){
thttp_message_add_header(self, item->data);
}
return 0;
}
return -1;
}
int thttp_message_add_content(thttp_message_t *self, const char* content_type, const void* content, size_t size)
{
if(self)
{
if(content_type){
TSK_OBJECT_SAFE_FREE(self->Content_Type);
}
TSK_OBJECT_SAFE_FREE(self->Content_Length);
TSK_OBJECT_SAFE_FREE(self->Content);
if(content_type){
THTTP_MESSAGE_ADD_HEADER(self, THTTP_HEADER_CONTENT_TYPE_VA_ARGS(content_type));
}
THTTP_MESSAGE_ADD_HEADER(self, THTTP_HEADER_CONTENT_LENGTH_VA_ARGS(size));
self->Content = TSK_BUFFER_CREATE(content, size);
return 0;
}
return -1;
}
const thttp_header_t *thttp_message_get_headerAt(const thttp_message_t *self, thttp_header_type_t type, size_t index)
{
size_t pos = 0;
tsk_list_item_t *item;
const thttp_header_t* hdr = 0;
if(self)
{
switch(type)
{
case thttp_htype_Content_Type:
if(index == 0){
hdr = (const thttp_header_t*)self->Content_Type;
goto bail;
}else pos++; break;
case thttp_htype_Content_Length:
if(index == 0){
hdr = (const thttp_header_t*)self->Content_Length;
goto bail;
}else pos++; break;
default:
break;
}
tsk_list_foreach(item, self->headers)
{
if(!pred_find_header_by_type(item, &type))
{
if(pos++ >= index)
{
hdr = item->data;
break;
}
}
}
}
bail:
return hdr;
}
const thttp_header_t *thttp_message_get_header(const thttp_message_t *self, thttp_header_type_t type)
{
return thttp_message_get_headerAt(self, type, 0);
}
int thttp_message_tostring(const thttp_message_t *self, tsk_buffer_t *output)
{
if(!self || !output){
return -1;
}
if(THTTP_MESSAGE_IS_REQUEST(self)){
/*Method SP Request-URI SP HTTP-Version CRLF*/
/* Method */
tsk_buffer_appendEx(output, "%s ", self->method);
/* Request URI: hpath?search */
tsk_buffer_appendEx(output, "/%s%s%s ",
self->url->hpath ? self->url->hpath : "",
self->url->search ? "?" : "",
self->url->search ? self->url->search : ""
);
/* HTTP VERSION */
tsk_buffer_appendEx(output, " %s\r\n", THTTP_MESSAGE_VERSION_DEFAULT);
/* HOST */
tsk_buffer_appendEx(output, "Host: %s:%u\r\n", self->url->host, self->url->port);
}
else{
/*HTTP-Version SP Status-Code SP Reason-Phrase CRLF*/
tsk_buffer_appendEx(output, "%s %hi %s\r\n", THTTP_MESSAGE_VERSION_DEFAULT, THTTP_RESPONSE_CODE(self), THTTP_RESPONSE_PHRASE(self));
}
/* Content-Type */
if(self->Content_Type){
thttp_header_tostring(THTTP_HEADER(self->Content_Type), output);
}
/* Content-Length*/
if(self->Content_Length){
thttp_header_tostring(THTTP_HEADER(self->Content_Length), output);
}
/* All other headers */
{
tsk_list_item_t *item;
tsk_list_foreach(item, self->headers)
{
thttp_header_t *hdr = item->data;
thttp_header_tostring(hdr, output);
}
}
/* EMPTY LINE */
tsk_buffer_append(output, "\r\n", 2);
/* CONTENT */
if(THTTP_MESSAGE_HAS_CONTENT(self)){
tsk_buffer_append(output, TSK_BUFFER_TO_STRING(self->Content), TSK_BUFFER_SIZE(self->Content));
}
return 0;
}
thttp_request_t *thttp_request_new(const char* method, const thttp_url_t *request_url)
{
thttp_request_t* request = 0;
if((request = THTTP_REQUEST_CREATE(method, request_url))){
THTTP_MESSAGE_ADD_HEADER(request, THTTP_HEADER_CONTENT_LENGTH_VA_ARGS(0));
}
return request;
}
thttp_response_t *thttp_response_new(short status_code, const char* reason_phrase, const thttp_request_t *request)
{
thttp_response_t *response = 0;
if(request){
response = THTTP_RESPONSE_CREATE(request, status_code, reason_phrase);
THTTP_MESSAGE_ADD_HEADER(response, THTTP_HEADER_CONTENT_LENGTH_VA_ARGS(0));
/*
Copy other headers
*/
}
return response;
}
//========================================================
// HTTP message object definition
//
/**@ingroup thttp_message_group
*/
static void* thttp_message_create(void *self, va_list * app)
{
thttp_message_t *message = self;
if(message)
{
message->type = va_arg(*app, thttp_message_type_t);
message->headers = TSK_LIST_CREATE();
switch(message->type)
{
case thttp_unknown:
{
break;
}
case thttp_request:
{
message->method = tsk_strdup(va_arg(*app, const char*));
message->url = tsk_object_ref((void*)va_arg(*app, const thttp_url_t*));
break;
}
case thttp_response:
{
const thttp_request_t* request = va_arg(*app, const thttp_request_t*);
#if defined(__GNUC__)
message->status_code = (short)va_arg(*app, int);
#else
message->status_code = va_arg(*app, short);
#endif
message->reason_phrase = tsk_strdup(va_arg(*app, const char*));
break;
}
}
}
else
{
TSK_DEBUG_ERROR("Failed to create new http message.");
}
return self;
}
/**@ingroup thttp_message_group
*/
static void* thttp_message_destroy(void *self)
{
thttp_message_t *message = self;
if(message)
{
if(THTTP_MESSAGE_IS_REQUEST(message))
{
TSK_FREE(message->method);
TSK_OBJECT_SAFE_FREE(message->url);
}
else if(THTTP_MESSAGE_IS_RESPONSE(message))
{
TSK_FREE(message->reason_phrase);
}
TSK_FREE(message->http_version);
TSK_OBJECT_SAFE_FREE(message->Content_Length);
TSK_OBJECT_SAFE_FREE(message->Content_Type);
TSK_OBJECT_SAFE_FREE(message->Content);
TSK_OBJECT_SAFE_FREE(message->headers);
}
else TSK_DEBUG_ERROR("Null HTTP message.");
return self;
}
static const tsk_object_def_t thttp_message_def_s =
{
sizeof(thttp_message_t),
thttp_message_create,
thttp_message_destroy,
0
};
const void *thttp_message_def_t = &thttp_message_def_s;