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/*
* Skype plugin for libpurple/Pidgin/Adium
* Written by: Eion Robb <eionrobb@gmail.com>
*
* This plugin uses the Skype API to show your contacts in libpurple, and send/receive
* chat messages.
* It requires the Skype program to be running.
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_LIBSKYPE_C
# error "Don't compile this file directly. Just compile libskype.c instead."
#endif
#include <glib.h>
#include <errno.h>
#include <string.h>
//#include <sys/ioctl.h>
#ifdef _WIN32
#define fsync(fd) _commit(fd)
#endif
static guint input_timeout;
static gint source_sock = -1;
static gboolean connected = FALSE;
static gboolean in_progress = FALSE;
static gchar etb_string[2] = {23, 0};
void
read_function_cb(gpointer data, gint source, PurpleInputCondition cond)
{
int len;
gchar response[3096];
static GString *response_string = NULL;
gchar *reply;
gchar **reply_pieces;
int i;
len = read(source, response, sizeof(response)-1);
if (len < 0)
{
if (errno != EAGAIN && errno != EWOULDBLOCK)
{
skype_disconnect();
}
return;
}
if (len == sizeof(response)-1)
{
if (response_string == NULL)
response_string = g_string_new_len(response, len);
else
response_string = g_string_append_len(response_string, response, len);
}
else
{
if (response_string)
{
if (len > 0)
response_string = g_string_append_len(response_string, response, len);
reply = g_string_free(response_string, FALSE);
response_string = NULL;
}
else if (len)
reply = g_strndup(response, len);
else
return;
reply = g_strstrip(reply);
reply_pieces = g_strsplit(reply, etb_string, -1);
g_free(reply);
for (i=0; reply_pieces[i+1]; i++)
{
reply = reply_pieces[i];
if (g_str_equal(reply, "LOGIN"))
{
connected = TRUE;
in_progress = FALSE;
skype_debug_info("skype", "Received: LOGIN\n");
} else {
g_thread_create((GThreadFunc)skype_message_received, g_strdup(reply), FALSE, NULL);
}
}
//check that we received part of a message
if (strlen(reply_pieces[i]))
{
skype_debug_info("skype", "Last piece: '%s'\n", reply_pieces[i]);
response_string = g_string_new(reply_pieces[i]);
}
g_strfreev(reply_pieces);
}
}
gpointer
skype_read_thread(gpointer data)
{
while(connected || in_progress)
{
read_function_cb(data, source_sock, PURPLE_INPUT_READ);
g_thread_yield();
sleep(1);
}
return data;
}
void
connect_function(gpointer data, gint source, const gchar *error_message)
{
gchar *loginmsg;
PurpleAccount *acct = skype_get_account(NULL);
if (error_message)
{
in_progress = FALSE;
g_thread_create((GThreadFunc)skype_message_received, g_strdup("CONNSTATUS LOGGEDOUT"), FALSE, NULL);
return;
}
source_sock = source;
loginmsg = g_strdup_printf("LOGIN %s %s", acct->username, acct->password);
send_message(loginmsg);
skype_debug_info("skype", "Sending: 'LOGIN {username} {password}'\n");
g_free(loginmsg);
g_thread_create((GThreadFunc)skype_read_thread, NULL, FALSE, NULL);
}
static gboolean
skype_connect()
{
return connected;
}
static void
skype_disconnect()
{
if (!connected)
return;
send_message("QUIT");
connected = FALSE;
close(source_sock);
source_sock = -1;
purple_input_remove(input_timeout);
in_progress = FALSE;
}
static void
send_message(const char* message)
{
int message_num;
char *error_return;
char *temp;
int msglen = -1;
int len = 0;
if (message)
{
msglen = strlen(message) + 1;
temp = g_strdup_printf("%s%c", message, 23);
len = write(source_sock, temp, msglen);
fsync(source_sock);
g_free(temp);
}
if (len != msglen)
{
//There was an error
if (message[0] == '#')
{
//And we're expecting a response
sscanf(message, "#%d ", &message_num);
error_return = g_strdup_printf("#%d ERROR NETWORK", message_num);
g_thread_create((GThreadFunc)skype_message_received, (void *)error_return, FALSE, NULL);
}
}
}
static void
hide_skype()
{
//don't need to since SILENT_MODE ON works
return;
}
gboolean
connection_timeout(gpointer data)
{
in_progress = FALSE;
return FALSE;
}
static gboolean
exec_skype()
{
if (!connected && !in_progress)
{
in_progress = TRUE;
PurpleAccount *acct = skype_get_account(NULL);
purple_proxy_connect(acct->gc, acct, purple_account_get_string(acct, "host", "skype.robbmob.com"), purple_account_get_int(acct, "port", 5000), connect_function, acct);
g_thread_create((GThreadFunc)skype_read_thread, acct, FALSE, NULL);
purple_timeout_add_seconds(10, connection_timeout, acct);
}
return TRUE;
}
static gboolean
is_skype_running()
{
return connected || in_progress;
}
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