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opensync/opensync_context.c

00001 /*
00002  * libopensync - A synchronization framework
00003  * Copyright (C) 2004-2005  Armin Bauer <armin.bauer@opensync.org>
00004  * 
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Lesser General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2.1 of the License, or (at your option) any later version.
00009  * 
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Lesser General Public License for more details.
00014  * 
00015  * You should have received a copy of the GNU Lesser General Public
00016  * License along with this library; if not, write to the Free Software
00017  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
00018  * 
00019  */
00020  
00021 #include <opensync.h>
00022 #include "opensync_internals.h"
00023 
00024 OSyncContext *osync_context_new(OSyncMember *member)
00025 {
00026         OSyncContext *ctx = g_malloc0(sizeof(OSyncContext));
00027         ctx->member = member;
00028         return ctx;
00029 }
00030 
00031 void osync_context_free(OSyncContext *context)
00032 {
00033         g_assert(context);
00034         //FIXME Do we need to free the user_data?
00035         g_free(context);
00036 }
00037 
00038 void *osync_context_get_plugin_data(OSyncContext *context)
00039 {
00040         g_assert(context);
00041         g_assert(context->member);
00042         return context->member->plugindata;
00043 }
00044 
00045 void osync_context_report_osyncerror(OSyncContext *context, OSyncError **error)
00046 {
00047         osync_trace(TRACE_ENTRY, "%s(%p, %p:(%s))", __func__, context, error, osync_error_print(error));
00048         g_assert(context);
00049         if (context->callback_function)
00050                 (context->callback_function)(context->member, context->calldata, error);
00051         osync_context_free(context);
00052         osync_trace(TRACE_EXIT, "%s", __func__);
00053 }
00054 
00055 void osync_context_report_error(OSyncContext *context, OSyncErrorType type, const char *format, ...)
00056 {
00057         osync_trace(TRACE_ENTRY, "%s(%p, %i, %s)", __func__, context, type, format);
00058         g_assert(context);
00059         OSyncError *error = NULL;
00060         va_list args;
00061         va_start(args, format);
00062         osync_error_set_vargs(&error, type, format, args);
00063         osync_trace(TRACE_INTERNAL, "ERROR is: %s", osync_error_print(&error));
00064         if (context->callback_function)
00065                 (context->callback_function)(context->member, context->calldata, &error);
00066         va_end (args);
00067         osync_context_free(context);
00068         osync_trace(TRACE_EXIT, "%s", __func__);
00069 }
00070 
00071 void osync_context_report_success(OSyncContext *context)
00072 {
00073         osync_trace(TRACE_ENTRY, "%s(%p)", __func__, context);
00074         g_assert(context);
00075         if (context->callback_function)
00076                 (context->callback_function)(context->member, context->calldata, NULL);
00077         osync_context_free(context);
00078         osync_trace(TRACE_EXIT, "%s", __func__);
00079 }
00080 
00081 void osync_context_report_change(OSyncContext *context, OSyncChange *change)
00082 {
00083         osync_trace(TRACE_ENTRY, "%s(%p, %p)", __func__, context, change);
00084         g_assert(context);
00085         OSyncMember *member = context->member;
00086         g_assert(member);
00087         osync_change_set_member(change, member);
00088         
00089         osync_assert_msg(change->uid, "You forgot to set a uid on the change you reported!");
00090         osync_assert_msg(change->data || change->changetype == CHANGE_DELETED, "You need to report some data unless you report CHANGE_DELETED");
00091         osync_assert_msg((!(change->data) && change->size == 0) || (change->data && change->size != 0), "No data and datasize was not 0!");
00092         osync_assert_msg((!change->data && change->changetype == CHANGE_DELETED) || (change->data && change->changetype != CHANGE_DELETED), "You cannot report data if you report CHANGE_DELETED. Just report the uid");
00093         
00094         osync_assert_msg((osync_change_get_objformat(change) != NULL) || change->changetype == CHANGE_DELETED, "The reported change did not have a format set");
00095         osync_assert_msg((osync_change_get_objtype(change) != NULL) || change->changetype == CHANGE_DELETED, "The reported change did not have a objtype set");
00096         osync_assert_msg((osync_change_get_changetype(change) != CHANGE_UNKNOWN), "The reported change did not have a changetype set");
00097         
00098         
00099         if (change->changetype == CHANGE_DELETED)
00100                 change->has_data = TRUE;
00101         
00102         change->initial_format = osync_change_get_objformat(change);
00103         
00104         osync_trace(TRACE_INTERNAL, "Reporting change with uid %s, changetype %i, data %p, objtype %s and format %s", osync_change_get_uid(change), osync_change_get_changetype(change), osync_change_get_data(change), osync_change_get_objtype(change) ? osync_objtype_get_name(osync_change_get_objtype(change)) : "None", osync_change_get_objformat(change) ? osync_objformat_get_name(osync_change_get_objformat(change)) : "None");
00105         
00106         osync_assert_msg(member->memberfunctions->rf_change, "The engine must set a callback to receive changes");
00107         member->memberfunctions->rf_change(member, change, context->calldata);
00108         osync_trace(TRACE_EXIT, "%s", __func__);
00109 }
00110 
00111 void osync_context_send_log(OSyncContext *ctx, const char *message, ...)
00112 {
00113         g_assert(ctx);
00114         OSyncMember *member = ctx->member;
00115         g_assert(member);
00116         
00117         va_list arglist;
00118         char buffer[1024];
00119         memset(buffer, 0, sizeof(buffer));
00120         va_start(arglist, message);
00121         g_vsnprintf(buffer, 1024, message, arglist);
00122         
00123         osync_debug("OSYNC", 3, "Sending logmessage \"%s\"", buffer);
00124         if (member->memberfunctions->rf_log)
00125                 member->memberfunctions->rf_log(member, buffer);
00126         
00127         va_end(arglist);
00128 }
00129 
00130 void osync_report_message(OSyncMember *member, const char *message, void *data)
00131 {
00132         member->memberfunctions->rf_message(member, message, data, FALSE);
00133 }
00134 
00135 void *osync_report_message_sync(OSyncMember *member, const char *message, void *data)
00136 {
00137         return member->memberfunctions->rf_message(member, message, data, TRUE);
00138 }
00139 
00140 OSyncMember *osync_context_get_member(OSyncContext *ctx)
00141 {
00142         g_assert(ctx);
00143         return ctx->member;
00144 }

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