Moved files from src/common to core, gui and plugins directories

2 files changed, 320 insertions, 0 deletions

diff --git a/src/plugins/fifo/fifo.c b/src/plugins/fifo/fifo.c
new file mode 100644
index 000000000..9a6f50e77
--- /dev/null
+++ b/src/plugins/fifo/fifo.c
@@ -0,0 +1,291 @@
+/*
+ * Copyright (c) 2003-2007 by FlashCode <flashcode@flashtux.org>
+ * See README for License detail, AUTHORS for developers list.
+ *
+ * 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/>.
+ */
+
+/* fifo.c: FIFO pipe for WeeChat remote control */
+
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "weechat.h"
+#include "fifo.h"
+#include "command.h"
+#include "log.h"
+#include "weeconfig.h"
+#include "../gui/gui.h"
+
+
+int weechat_fifo = -1;
+char *weechat_fifo_filename = NULL;
+char *weechat_fifo_unterminated = NULL;
+
+
+/*
+ * fifo_create: create FIFO pipe for remote control
+ */
+
+void
+fifo_create ()
+{
+    int filename_length;
+    
+    if (cfg_irc_fifo_pipe)
+    {
+        /* build FIFO filename: "<weechat_home>/weechat_fifo_" + process PID */
+        if (!weechat_fifo_filename)
+        {
+            filename_length = strlen (weechat_home) + 64;
+            weechat_fifo_filename = (char *) malloc (filename_length * sizeof (char));
+            snprintf (weechat_fifo_filename, filename_length, "%s/weechat_fifo_%d",
+                      weechat_home, (int) getpid());
+        }
+        
+        /* create FIFO pipe, writable for user only */
+        if ((weechat_fifo = mkfifo (weechat_fifo_filename, 0600)) != 0)
+        {
+            weechat_fifo = -1;
+            gui_printf (NULL,
+                        _("%s unable to create FIFO pipe for remote control (%s)\n"),
+                        WEECHAT_ERROR, weechat_fifo_filename);
+            weechat_log_printf (_("%s unable to create FIFO pipe for "
+                                  "remote control (%s)\n"),
+                                WEECHAT_ERROR, weechat_fifo_filename);
+            return;
+        }
+        
+        /* open FIFO pipe in read-only (for WeeChat), non nlobking mode */
+        if ((weechat_fifo = open (weechat_fifo_filename, O_RDONLY | O_NONBLOCK)) == -1)
+        {
+            gui_printf (NULL,
+                        _("%s unable to open FIFO pipe (%s) for reading\n"),
+                        WEECHAT_ERROR, weechat_fifo_filename);
+            weechat_log_printf (_("%s unable to open FIFO pipe (%s) for reading\n"),
+                                WEECHAT_ERROR, weechat_fifo_filename);
+            return;
+        }
+        
+        weechat_log_printf (_("FIFO pipe is open\n"));
+    }
+}
+
+/*
+ * fifo_exec: execute a command/text received by FIFO pipe
+ */
+
+void
+fifo_exec (char *text)
+{
+    char *pos_msg, *pos;
+    t_irc_server *ptr_server;
+    t_irc_channel *ptr_channel;
+    
+    pos = NULL;
+    ptr_server = NULL;
+    ptr_channel = NULL;
+    
+    /* look for server/channel at beginning of text */
+    /* text may be: "server,channel *text" or "server *text" or "*text" */
+    if (text[0] == '*')
+    {
+        pos_msg = text + 1;
+        if (gui_current_window->buffer->has_input)
+        {
+            ptr_server = GUI_SERVER(gui_current_window->buffer);
+            ptr_channel = GUI_CHANNEL(gui_current_window->buffer);
+        }
+        else
+        {
+            ptr_server = GUI_SERVER(gui_buffers);
+            ptr_channel = NULL;
+        }
+    }
+    else
+    {
+        pos_msg = strstr (text, " *");
+        if (!pos_msg)
+        {
+            irc_display_prefix (NULL, NULL, GUI_PREFIX_ERROR);
+            gui_printf (NULL, _("%s invalid text received on FIFO pipe\n"),
+                        WEECHAT_WARNING);
+            return;
+        }
+        pos_msg[0] = '\0';
+        pos = pos_msg - 1;
+        pos_msg += 2;
+        while ((pos >= text) && (pos[0] == ' '))
+        {
+            pos[0] = '\0';
+            pos--;
+        }
+        
+        if (text[0])
+        {
+            pos = strchr (text, ',');
+            if (pos)
+                pos[0] = '\0';
+            ptr_server = irc_server_search (text);
+            if (!ptr_server || !ptr_server->buffer)
+            {
+                irc_display_prefix (NULL, NULL, GUI_PREFIX_ERROR);
+                gui_printf (NULL, _("%s server \"%s\" not found (FIFO pipe data)\n"),
+                            WEECHAT_WARNING, text);
+                return;
+            }
+            if (ptr_server && pos)
+            {
+                ptr_channel = irc_channel_search_any (ptr_server, pos + 1);
+                if (!ptr_channel)
+                {
+                    irc_display_prefix (NULL, NULL, GUI_PREFIX_ERROR);
+                    gui_printf (NULL,
+                                _("%s channel \"%s\" not found (FIFO pipe data)\n"),
+                                WEECHAT_WARNING, pos + 1);
+                    return;
+                }
+            }
+        }
+    }
+    
+    user_command (ptr_server, ptr_channel, pos_msg, 0);
+}
+
+/*
+ * fifo_read: read data in FIFO pipe
+ */
+
+void
+fifo_read ()
+{
+    static char buffer[4096 + 2];
+    char *buf2, *pos, *ptr_buf, *next_ptr_buf;
+    int num_read;
+    
+    num_read = read (weechat_fifo, buffer, sizeof (buffer) - 2);
+    if (num_read > 0)
+    {
+        buffer[num_read] = '\0';
+        
+        buf2 = NULL;
+        ptr_buf = buffer;
+        if (weechat_fifo_unterminated)
+        {
+            buf2 = (char *) malloc (strlen (weechat_fifo_unterminated) +
+                strlen (buffer) + 1);
+            if (buf2)
+            {
+                strcpy (buf2, weechat_fifo_unterminated);
+                strcat (buf2, buffer);
+            }
+            ptr_buf = buf2;
+            free (weechat_fifo_unterminated);
+            weechat_fifo_unterminated = NULL;
+        }
+        
+        while (ptr_buf && ptr_buf[0])
+        {
+            next_ptr_buf = NULL;
+            pos = strstr (ptr_buf, "\r\n");
+            if (pos)
+            {
+                pos[0] = '\0';
+                next_ptr_buf = pos + 2;
+            }
+            else
+            {
+                pos = strstr (ptr_buf, "\n");
+                if (pos)
+                {
+                    pos[0] = '\0';
+                    next_ptr_buf = pos + 1;
+                }
+                else
+                {
+                    weechat_fifo_unterminated = strdup (ptr_buf);
+                    ptr_buf = NULL;
+                    next_ptr_buf = NULL;
+                }
+            }
+            
+            if (ptr_buf)
+                fifo_exec (ptr_buf);
+            
+            ptr_buf = next_ptr_buf;
+        }
+        
+        if (buf2)
+            free (buf2);
+    }
+    else
+    {
+        if (num_read < 0)
+        {
+            gui_printf (NULL,
+                        _("%s error reading FIFO pipe, closing it\n"),
+                        WEECHAT_ERROR);
+            weechat_log_printf (_("%s error reading FIFO pipe, closing it\n"),
+                                WEECHAT_ERROR);
+            fifo_remove ();
+        }
+        else
+        {
+            close (weechat_fifo);
+            weechat_fifo = open (weechat_fifo_filename, O_RDONLY | O_NONBLOCK);
+        }
+    }
+}
+
+/*
+ * fifo_remove: remove FIFO pipe
+ */
+
+void
+fifo_remove ()
+{
+    if (weechat_fifo != -1)
+    {
+        /* close FIFO pipe */
+        close (weechat_fifo);
+        weechat_fifo = -1;
+    }
+    
+    /* remove FIFO from disk */
+    if (weechat_fifo_filename)
+        unlink (weechat_fifo_filename);
+    
+    if (weechat_fifo_unterminated)
+    {
+        free (weechat_fifo_unterminated);
+        weechat_fifo_unterminated = NULL;
+    }
+    
+    if (weechat_fifo_filename)
+    {
+        free (weechat_fifo_filename);
+        weechat_fifo_filename = NULL;
+    }
+    
+    weechat_log_printf (_("FIFO pipe is closed\n"));
+}
diff --git a/src/plugins/fifo/fifo.h b/src/plugins/fifo/fifo.h
new file mode 100644
index 000000000..2dc01bdef
--- /dev/null
+++ b/src/plugins/fifo/fifo.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2003-2007 by FlashCode <flashcode@flashtux.org>
+ * See README for License detail, AUTHORS for developers list.
+ *
+ * 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 __WEECHAT_FIFO_H
+#define __WEECHAT_FIFO_H 1
+
+extern int weechat_fifo;
+
+extern void fifo_create ();
+extern void fifo_read ();
+extern void fifo_remove ();
+
+#endif /* fifo.h */