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#include <unistd.h>
#include <string.h>
#include <glib.h>
#include <glib/gprintf.h>
#include <gtk/gtk.h>
#include <glade/glade.h>
#include "glibcurl.h"
#include "config.h"
#include "web.h"
#include "web_request.h"
#include "web_utils.h"
WebRequest *
web_request_copy (WebRequest *request)
{
WebRequest *new_request = g_new (WebRequest, 1);
new_request->url = g_strdup (request->url);
new_request->parent = request->parent;
new_request->type = request->type;
new_request->data = request->data;
new_request->handle = request->handle;
return new_request;
}
void
web_request_free (WebRequest *request)
{
g_free (request->url);
g_free (request);
}
gint
web_request_find_cb (gconstpointer a, gconstpointer b)
{
WebRequest *request = (WebRequest *)a;
const gchar *string = (const gchar *)b;
return strcmp (request->url, string);
}
void
web_request_close (WebRequest *request)
{
CURLMsg *msg;
CURL *handle;
int in_queue;
while (1) {
if (!request) {
msg = curl_multi_info_read (
glibcurl_handle (), &in_queue);
if (!msg) break;
if (msg->msg != CURLMSG_DONE) continue;
if (curl_easy_getinfo (msg->easy_handle,
CURLINFO_PRIVATE, &request) != CURLE_OK)
request = NULL;
handle = msg->easy_handle;
} else
handle = (CURL *)request->handle;
if (request) {
long error_code;
gchar *url;
gboolean keep_request = FALSE;
request->parent->parent->backend->close (
request->parent->parent->backend_data,
request->parent->page_data, request);
request->parent->requests = g_list_remove (
request->parent->requests, request);
if (curl_easy_getinfo (handle,
CURLINFO_RESPONSE_CODE, &error_code) != CURLE_OK)
error_code = 200;
if (curl_easy_getinfo (handle,
CURLINFO_EFFECTIVE_URL, &url) != CURLE_OK)
url = NULL;
/* g_debug ("Completed [%d] (%s)", error_code, url);*/
if (url && (strcmp (request->url, url) != 0)) {
if ((error_code >= 300) && (error_code < 400)) {
if (request->type == WEB_LINK)
web_go (request->parent,
request->url, TRUE);
else if (request->type == WEB_DATA) {
web_request_perform (request);
keep_request = TRUE;
}
}
g_free (url);
}
if (!keep_request)
web_request_free (request);
request = NULL;
}
glibcurl_remove(handle);
curl_easy_cleanup (handle);
}
}
static size_t
web_request_header_cb (void *buffer, size_t size, size_t nmemb, void *userp)
{
WebRequest *request = userp;
gint real_size = (gint)(size *nmemb);
gchar *header;
header = g_strndup (buffer, real_size);
/* g_debug ("Header received: %s", header);*/
if (strstr (header, "Location: ")) {
const gchar *end = strstr (header + 10, "\r");
request->url = end ?
g_strndup (header + 10, end - (header + 10)) :
g_strdup (header + 10);
}
g_free (header);
return (size_t)real_size;
}
void
web_request_remove (WebRequest *request)
{
/* g_debug ("Removing request (%s)", request->url);*/
glibcurl_remove(request->handle);
curl_easy_cleanup (request->handle);
request->parent->requests = g_list_remove (
request->parent->requests, request);
web_request_free (request);
}
static size_t
web_request_read_cb (void *buffer, size_t size, size_t nmemb, void *userp)
{
WebRequest *request = userp;
gint real_size = (gint)(size * nmemb);
if (real_size > 0)
request->parent->parent->backend->write (
request->parent->parent->backend_data,
request->parent->page_data,
request, (gchar *)buffer, real_size);
return (size_t)real_size;
}
void
web_request_perform (WebRequest *request)
{
CURL *handle = curl_easy_init();
if (request->type == WEB_LINK)
g_debug ("Url[%d] requested: %s", request->type, request->url);
request->parent->requests = g_list_append (
request->parent->requests, request);
request->handle = handle;
curl_easy_setopt (handle, CURLOPT_URL, request->url);
curl_easy_setopt (handle, CURLOPT_WRITEFUNCTION, web_request_read_cb);
curl_easy_setopt (handle, CURLOPT_WRITEDATA, request);
/* curl_easy_setopt (handle, CURLOPT_FOLLOWLOCATION, TRUE);*/
curl_easy_setopt (handle, CURLOPT_PRIVATE, request);
curl_easy_setopt (handle, CURLOPT_HEADERFUNCTION,
web_request_header_cb);
curl_easy_setopt (handle, CURLOPT_HEADERDATA, request);
glibcurl_add (handle);
}
void
web_request_init ()
{
glibcurl_init ();
glibcurl_set_callback(web_request_close, NULL);
}
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