X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=src%2Fprotocol_misc.c;h=c6a3630ae2ea190fc27ee41dbe8b9206c85591b9;hp=f255a5810b11bb2a370ec3bf954bbc04eac9c2b2;hb=963c5055505f2fc117cd5efa06eaa02c9b2bf85d;hpb=19be9cf7150858311f7898fa3fb525d692d02f64 diff --git a/src/protocol_misc.c b/src/protocol_misc.c index f255a581..c6a3630a 100644 --- a/src/protocol_misc.c +++ b/src/protocol_misc.c @@ -1,7 +1,6 @@ /* protocol_misc.c -- handle the meta-protocol, miscellaneous functions - Copyright (C) 1999-2005 Ivo Timmermans, - 2000-2012 Guus Sliepen + Copyright (C) 2014-2017 Guus Sliepen 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 @@ -23,6 +22,7 @@ #include "conf.h" #include "connection.h" #include "logger.h" +#include "meshlink_internal.h" #include "meta.h" #include "net.h" #include "netutl.h" @@ -33,87 +33,84 @@ int maxoutbufsize = 0; /* Status and error notification routines */ -bool send_status(connection_t *c, int statusno, const char *statusstring) { - if(!statusstring) - statusstring = "Status"; +bool status_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { + assert(request); + assert(*request); - return send_request(c, "%d %d %s", STATUS, statusno, statusstring); -} - -bool status_h(connection_t *c, const char *request) { int statusno; char statusstring[MAX_STRING_SIZE]; if(sscanf(request, "%*d %d " MAX_STRING, &statusno, statusstring) != 2) { - logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s)", "STATUS", - c->name, c->hostname); + logger(mesh, MESHLINK_ERROR, "Got bad %s from %s", "STATUS", c->name); return false; } - logger(DEBUG_STATUS, LOG_NOTICE, "Status message from %s (%s): %d: %s", - c->name, c->hostname, statusno, statusstring); + logger(mesh, MESHLINK_INFO, "Status message from %s: %d: %s", c->name, statusno, statusstring); return true; } -bool send_error(connection_t *c, int err, const char *errstring) { - if(!errstring) - errstring = "Error"; +bool error_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { + assert(request); + assert(*request); - return send_request(c, "%d %d %s", ERROR, err, errstring); -} - -bool error_h(connection_t *c, const char *request) { int err; char errorstring[MAX_STRING_SIZE]; if(sscanf(request, "%*d %d " MAX_STRING, &err, errorstring) != 2) { - logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s)", "ERROR", - c->name, c->hostname); + logger(mesh, MESHLINK_ERROR, "Got bad %s from %s", "ERROR", c->name); return false; } - logger(DEBUG_ERROR, LOG_NOTICE, "Error message from %s (%s): %d: %s", - c->name, c->hostname, err, errorstring); + logger(mesh, MESHLINK_INFO, "Error message from %s: %d: %s", c->name, err, errorstring); return false; } -bool send_termreq(connection_t *c) { - return send_request(c, "%d", TERMREQ); -} +bool termreq_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { + (void)mesh; + (void)c; + (void)request; + + assert(request); + assert(*request); -bool termreq_h(connection_t *c, const char *request) { return false; } -bool send_ping(connection_t *c) { +bool send_ping(meshlink_handle_t *mesh, connection_t *c) { c->status.pinged = true; - c->last_ping_time = time(NULL); + c->last_ping_time = mesh->loop.now.tv_sec; - return send_request(c, "%d", PING); + return send_request(mesh, c, NULL, "%d", PING); } -bool ping_h(connection_t *c, const char *request) { - return send_pong(c); +bool ping_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { + (void)request; + + assert(request); + assert(*request); + + return send_pong(mesh, c); } -bool send_pong(connection_t *c) { - return send_request(c, "%d", PONG); +bool send_pong(meshlink_handle_t *mesh, connection_t *c) { + return send_request(mesh, c, NULL, "%d", PONG); } -bool pong_h(connection_t *c, const char *request) { +bool pong_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { + (void)mesh; + (void)request; + + assert(request); + assert(*request); + c->status.pinged = false; - /* Succesful connection, reset timeout if this is an outgoing connection. */ + /* Successful connection, reset timeout if this is an outgoing connection. */ if(c->outgoing) { - c->outgoing->timeout = 0; - c->outgoing->cfg = NULL; - if(c->outgoing->ai) - freeaddrinfo(c->outgoing->ai); - c->outgoing->ai = NULL; - c->outgoing->aip = NULL; + reset_outgoing(c->outgoing); } return true; @@ -121,31 +118,17 @@ bool pong_h(connection_t *c, const char *request) { /* Sending and receiving packets via TCP */ -bool send_tcppacket(connection_t *c, const vpn_packet_t *packet) { - /* If there already is a lot of data in the outbuf buffer, discard this packet. - We use a very simple Random Early Drop algorithm. */ +bool tcppacket_h(meshlink_handle_t *mesh, connection_t *c, const char *request) { + assert(request); + assert(*request); - if(2.0 * c->outbuf.len / (float)maxoutbufsize - 1 > (float)rand()/(float)RAND_MAX) - return true; - - if(!send_request(c, "%d %hd", PACKET, packet->len)) - return false; - - return send_meta(c, (char *)packet->data, packet->len); -} - -bool tcppacket_h(connection_t *c, const char *request) { short int len; if(sscanf(request, "%*d %hd", &len) != 1) { - logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s)", "PACKET", c->name, - c->hostname); + logger(mesh, MESHLINK_ERROR, "Got bad %s from %s", "PACKET", c->name); return false; } - /* Set reqlen to len, this will tell receive_meta() that a tcppacket is coming. */ - - c->tcplen = len; - - return true; + // This should never happen with MeshLink. + return false; }