static void
read_peer_id (CcnetHandshake *handshake, ccnet_packet *packet)
{
uint16_t len;
char *id;
/* get id */
len = packet->header.length;
id = g_malloc (len + 1);
memcpy (id, packet->data, len);
id[len] = '\0';
handshake->id = id;
if (handshake->state == INIT) {
/* we are the slave */
ccnet_debug ("[Conn] Incoming: Read peer id %.8s\n", id);
send_handshake_message (handshake);
handshake->state = ID_RECEIVED;
} else if (handshake->state == ID_SENT) {
/* we are the master */
ccnet_debug ("[Conn] Outgoing: Read peer %s id %.8s\n",
handshake->peer->name, id);
send_ack (handshake);
ccnet_handshake_done (handshake, TRUE);
} else
g_assert (0);
}
static void verify_challenge(CcnetProcessor *processor,
char *code, char *code_msg,
char *content, int clen)
{
CcnetKeepaliveProcPriv *priv = GET_PRIV (processor);
ccnet_debug ("[Conn] Verify Peer Challenge\n");
if (clen != 40 || memcmp(content, priv->random_buf, 40) != 0) {
ccnet_debug ("[Conn] Peer Challenge failed\n");
close_processor(processor);
return;
}
CcnetUser *user = ccnet_peer_get_user(processor->peer);
if (!user) {
ccnet_debug ("[Conn] No user for this peer, go to auth done\n");
processor->peer->auth_done = 1;
g_signal_emit_by_name (processor->peer, "auth-done");
send_keepalive (processor);
reset_timeout (processor);
return;
}
if (user->pubkey)
send_challenge_user(processor, user);
else
get_pubkey_user(processor);
}
int
ccnet_session_register_service (CcnetSession *session,
const char *svc_name,
const char *group,
CcnetPeer *peer)
{
CcnetService *service = g_new0 (CcnetService, 1);
g_assert (peer->is_local);
g_assert (group);
if (g_hash_table_lookup (session->service_hash, svc_name)) {
ccnet_debug ("[Service] Service %s has already been registered\n",
svc_name);
return -1;
}
ccnet_debug ("[Service] Service %s registered\n", svc_name);
ccnet_perm_manager_register_service (session->perm_mgr, svc_name,
group, peer);
service->svc_name = g_strdup(svc_name);
service->provider = peer;
g_hash_table_insert (session->service_hash, g_strdup(svc_name), service);
return 0;
}
void
ccnet_peer_set_net_state (CcnetPeer *peer, int net_state)
{
/* do not need saving */
if (peer->net_state == net_state)
return;
ccnet_debug ("[Peer] Peer %s(%.8s) net state changed: %s->%s\n",
peer->name, peer->id,
ccnet_peer_get_net_state_string(peer->net_state),
ccnet_peer_get_net_state_string(net_state));
peer->last_net_state = peer->net_state;
if (net_state == PEER_DOWN) {
if (!peer->is_local)
--peer->manager->connected_peer;
} else
if (!peer->is_local)
++peer->manager->connected_peer;
if (net_state == PEER_CONNECTED && !peer->io->is_incoming)
g_object_set (peer, "can-connect", 1, NULL);
g_object_set (peer, "net-state", net_state, NULL);
}
static void
create_local_processor (CcnetPeer *peer, int req_id, int argc, char **argv)
{
CcnetProcessor *processor;
CcnetProcFactory *factory = peer->manager->session->proc_factory;
processor = ccnet_proc_factory_create_slave_processor (
factory, argv[0], peer, req_id);
if (processor) {
ccnet_processor_start (processor, argc-1, argv+1);
} else {
CcnetService *service;
service = ccnet_session_get_service (peer->manager->session, argv[0]);
if (service != NULL) {
processor = ccnet_proc_factory_create_slave_processor (
factory, "service-proxy", peer, req_id);
ccnet_processor_start (processor, 0, NULL);
ccnet_service_proxy_invoke_local (processor, service->provider,
argc, argv);
} else {
ccnet_peer_send_response (peer, req_id, SC_UNKNOWN_SERVICE,
SS_UNKNOWN_SERVICE,
NULL, 0);
ccnet_debug ("Unknown service %s invoke by %s(%.8s)\n",
argv[0], peer->name, peer->id);
}
}
}
static int
load_database_config (CcnetSession *session)
{
int ret;
char *engine;
engine = ccnet_key_file_get_string (session->keyf, "Database", "ENGINE");
if (!engine || strncasecmp (engine, DB_SQLITE, sizeof(DB_SQLITE)) == 0) {
ccnet_debug ("Use database sqlite\n");
ret = init_sqlite_database (session);
} else if (strncasecmp (engine, DB_MYSQL, sizeof(DB_MYSQL)) == 0) {
ccnet_debug ("Use database Mysql\n");
ret = init_mysql_database (session);
}
return ret;
}
static void
_peer_shutdown (CcnetPeer *peer)
{
peer->in_shutdown = 1;
if (peer->net_state == PEER_CONNECTED) {
peer->last_down = time(NULL);
ccnet_packet_io_free (peer->io);
peer->io = NULL;
g_object_set (peer, "can-connect", 0, NULL);
}
peer->is_ready = 0;
g_free (peer->dns_addr);
peer->dns_addr = NULL;
peer->dns_done = 0;
/* clear session key when peer down */
peer->encrypt_channel = 0;
g_free (peer->session_key);
peer->session_key = NULL;
ccnet_debug ("Shutdown all processors for peer %s\n", peer->name);
shutdown_processors (peer);
remove_write_callbacks (peer);
ccnet_peer_set_net_state (peer, PEER_DOWN);
g_signal_emit (peer, signals[DOWN_SIG], 0);
peer->in_shutdown = 0;
}
void ccnet_processor_handle_response (CcnetProcessor *processor,
char *code, char *code_msg,
char *content, int clen)
{
if ((code[0] == '5' || code[0] == '4') &&
!CCNET_IS_KEEPALIVE2_PROC(processor))
{
ccnet_warning ("[Proc] peer %.10s, Shutdown processor %s(%d) for bad response: %s %s\n",
processor->peer->id, GET_PNAME(processor), PRINT_ID(processor->id),
code, code_msg);
/* Stub proc should relay the message before it shuts down. */
if (CCNET_IS_SERVICE_PROXY_PROC(processor) ||
CCNET_IS_SERVICE_STUB_PROC(processor)) {
CCNET_PROCESSOR_GET_CLASS (processor)->handle_response (
processor, code, code_msg, content, clen);
}
if (memcmp(code, SC_UNKNOWN_SERVICE, 3) == 0)
processor->failure = PROC_NO_SERVICE;
else if (memcmp(code, SC_PERM_ERR, 3) == 0)
processor->failure = PROC_PERM_ERR;
else if (memcmp(code, SC_CON_TIMEOUT, 3) == 0)
processor->failure = PROC_CON_TIMEOUT;
else if (memcmp(code, SC_KEEPALIVE_TIMEOUT, 3) == 0)
processor->failure = PROC_TIMEOUT;
else if (memcmp(code, SC_NETDOWN, 3) == 0)
processor->failure = PROC_NETDOWN;
else
processor->failure = PROC_BAD_RESP;
ccnet_processor_done (processor, FALSE);
return;
}
processor->t_packet_recv = time(NULL);
if (memcmp (code, SC_PROC_KEEPALIVE, 3) == 0) {
ccnet_processor_keep_alive_response (processor);
} else if (memcmp (code, SC_PROC_ALIVE, 3) == 0) {
/* do nothing */
} else if (memcmp (code, SC_PROC_DEAD, 3) == 0) {
ccnet_debug ("[Proc] Shutdown processor %s(%d) when remote processor dies\n",
GET_PNAME(processor), PRINT_ID(processor->id));
if (CCNET_IS_SERVICE_PROXY_PROC(processor) ||
CCNET_IS_SERVICE_STUB_PROC(processor)) {
CCNET_PROCESSOR_GET_CLASS (processor)->handle_response (
processor, code, code_msg, content, clen);
}
processor->failure = PROC_REMOTE_DEAD;
ccnet_processor_done (processor, FALSE);
} else
CCNET_PROCESSOR_GET_CLASS (processor)->handle_response (processor,
code, code_msg,
content, clen);
}
void ccnet_processor_handle_update (CcnetProcessor *processor,
char *code, char *code_msg,
char *content, int clen)
{
g_object_ref (processor);
processor->is_active = TRUE;
if (code[0] == '5') {
ccnet_debug ("[Proc] Shutdown processor %s(%d) for bad update: %s %s\n",
GET_PNAME(processor), PRINT_ID(processor->id),
code, code_msg);
if (memcmp(code, SC_UNKNOWN_SERVICE, 3) == 0)
processor->failure = PROC_NO_SERVICE;
else if (memcmp(code, SC_PERM_ERR, 3) == 0)
processor->failure = PROC_PERM_ERR;
else if (memcmp(code, SC_NETDOWN, 3) == 0)
processor->failure = PROC_REMOTE_DEAD;
else
processor->failure = PROC_BAD_RESP;
ccnet_processor_done (processor, FALSE);
return;
}
if (strncmp (code, SC_PROC_KEEPALIVE, 3) == 0) {
ccnet_processor_send_response (processor, SC_PROC_ALIVE,
SS_PROC_ALIVE, NULL, 0);
} else if (strncmp (code, SC_PROC_DEAD, 3) == 0) {
ccnet_debug ("[proc] Shutdown processor %s(%d) when peer(%.8s) processor is dead\n",
GET_PNAME(processor), PRINT_ID(processor->id),
processor->peer_id);
processor->failure = PROC_REMOTE_DEAD;
ccnet_processor_done (processor, FALSE);
} else if (strncmp (code, SC_PROC_DONE, 3) == 0) {
ccnet_debug ("[proc] Shutdown processor when receive 103: service done\n");
ccnet_processor_done (processor, TRUE);
} else {
CCNET_PROCESSOR_GET_CLASS (processor)->handle_update (processor,
code, code_msg,
content, clen);
}
processor->is_active = FALSE;
g_object_unref (processor);
}
static int
cmdrsp_cb (const char *code, char *content, int clen, void *data)
{
RegisterServiceCB cb = data;
if (clen != 0)
ccnet_debug ("Receive cmd response {\n%s}\n", content);
else
ccnet_debug ("Receive cmd response null\n");
if (cb) {
if (memcmp (SC_SERV_EXISTED, code, 3) == 0)
cb (FALSE);
else
cb (TRUE);
}
return 0;
}
static void verify_challenge_user(CcnetProcessor *processor,
char *code, char *code_msg,
char *content, int clen)
{
CcnetKeepaliveProcPriv *priv = GET_PRIV (processor);
ccnet_debug ("[Conn] Verify User Challenge\n");
if (clen != 40 || memcmp(content, priv->random_buf, 40) != 0) {
ccnet_debug ("[Keepalive] Challenge failed\n");
close_processor(processor);
return;
}
processor->peer->auth_done = 1;
g_signal_emit_by_name (processor->peer, "auth-done");
send_keepalive (processor);
reset_timeout (processor);
}
static void close_processor_in_timeout(CcnetProcessor *processor)
{
CcnetPeer *peer = processor->peer;
ccnet_debug ("[Conn] keepalive timeout current state is %d\n",
processor->state);
ccnet_processor_done (processor, FALSE);
ccnet_peer_shutdown (peer);
peer->num_fails++;
}
static void recv_pubkey(CcnetProcessor *processor,
char *code, char *code_msg,
char *content, int clen)
{
g_assert (processor->state == WAIT_PUBKEY);
if (clen == 0 || content[clen-1] != '\0') {
ccnet_debug ("[Conn] Bad public key format\n");
close_processor (processor);
return;
}
ccnet_peer_set_pubkey (processor->peer, content);
if (processor->peer->pubkey == NULL) {
ccnet_debug ("[Conn] Bad public key format\n");
close_processor (processor);
return;
}
send_challenge (processor);
}
gboolean remove_service_cmp (gpointer key,
gpointer value,
gpointer user_data)
{
CcnetService *service = value;
if (service->provider == user_data) {
ccnet_debug ("[Service] Service %s un-registered\n", (char *)key);
return TRUE;
}
return FALSE;
}
static void handle_response (CcnetProcessor *processor,
char *code, char *code_msg,
char *content, int clen)
{
ServiceProxyPriv *priv = GET_PRIV (processor);
if(!priv->stub_proc || !((CcnetProcessor *)priv->stub_proc)->peer->is_local)
ccnet_debug ("[Svc Proxy] %s:%d [%s] handle response: %s %s\n",
GET_PNAME(processor), PRINT_ID(processor->id),
priv->name, code, code_msg);
/* relay this response */
ccnet_processor_send_response (processor, code, code_msg, content, clen);
}
static void
send_handshake_message (CcnetHandshake *handshake)
{
const char *id = handshake->session->base.id;
char buf[256];
ccnet_packet *packet = (ccnet_packet *)buf;
packet->header.version = 1;
packet->header.type = CCNET_MSG_HANDSHAKE;
memcpy (packet->data, id, 40);
packet->header.length = 40;
packet->header.id = 0;
ccnet_packet_io_write_packet (handshake->io, packet);
if (handshake->peer)
ccnet_debug ("[Conn] Outgoing: Send my id to %s(%.10s)\n",
handshake->peer->name, handshake->peer->id);
else
ccnet_debug ("[Conn] Incoming: Send my id to %.10s\n",
handshake->id);
}
static void
read_ok (CcnetHandshake *handshake, ccnet_packet *packet)
{
if (packet->header.type != CCNET_MSG_OK) {
ccnet_warning ("[Conn] Read wrong ack format\n");
ccnet_handshake_done (handshake, FALSE);
} else {
ccnet_debug ("[Conn] Incoming: Read ack (%.10s)\n", handshake->id);
ccnet_handshake_done (handshake, TRUE);
}
return;
}
static void
ccnet_handshake_done (CcnetHandshake *handshake, int isOK)
{
/* ccnet_message ("handshakeDone: %s\n", isOK ? "connected" : "aborting"); */
ccnet_debug ("[Conn] HandshakeDone %s\n", isOK ? "connected" : "aborting");
ccnet_packet_io_set_iofuncs (handshake->io, NULL, NULL, NULL, NULL);
fire_done_func (handshake, isOK);
if (handshake->peer)
g_object_unref (handshake->peer);
g_free (handshake->id);
g_free (handshake);
}
static void
ccnet_peer_set_addr_str (CcnetPeer *peer, const char *addr_str)
{
/* do not need saving */
if (!addr_str)
return;
if (peer->addr_str && strcmp(addr_str, peer->addr_str) == 0)
return;
g_object_set (peer, "ip", addr_str, NULL);
ccnet_debug ("[Peer] Updated peer %s(%.10s) address %s\n",
peer->name, peer->id, addr_str);
}
static void
send_ack (CcnetHandshake *handshake)
{
ccnet_packet packet;
packet.header.version = 1;
packet.header.type = CCNET_MSG_OK;
packet.header.length = 0;
packet.header.id = 0;
ccnet_packet_io_write_packet (handshake->io, &packet);
ccnet_debug ("[Conn] Outgoing: Send ack to %s(%.10s)\n",
handshake->peer->name, handshake->peer->id);
}
static void send_challenge_user(CcnetProcessor *processor, CcnetUser *user)
{
CcnetKeepaliveProcPriv *priv = GET_PRIV (processor);
unsigned char *buf;
int len;
ccnet_debug ("[Keepalive] Send user challenge to %.8s\n",
processor->peer->id);
RAND_pseudo_bytes (priv->random_buf, 40);
buf = public_key_encrypt (user->pubkey, priv->random_buf, 40, &len);
ccnet_processor_send_update (processor, "321", NULL, (char *)buf, len);
g_free(buf);
processor->state = WAIT_CHALLENGE_USER;
reset_timeout (processor);
}
static void
canRead (ccnet_packet *packet, void *vpeer)
{
CcnetPeer *peer = vpeer;
g_object_ref (peer);
/* if (!peer->is_local) */
/* ccnet_debug ("[RECV] Recieve packat from %s type is %d, id is %d\n", */
/* peer->id, packet->header.type, packet->header.id); */
if (packet->header.id == 0)
return;
if (packet->header.type != CCNET_MSG_ENCPACKET) {
handle_packet (packet, peer);
} else {
/* ccnet_debug ("receive an encrypt packet\n"); */
if (!peer->session_key) {
ccnet_debug("Receive a encrypted packet from %s(%.8s) while "
"not having session key \n", peer->name, peer->id);
goto out;
}
char *data;
int len;
int ret;
ret = ccnet_decrypt_with_key (&data, &len, packet->data, packet->header.id,
peer->key, peer->iv);
if (ret < 0)
ccnet_warning ("[SEND] decryption error for peer %s(%.8s) \n",
peer->name, peer->id);
else {
ccnet_packet *new_pac = (ccnet_packet *)data;
/* byte order, from network to host */
new_pac->header.length = ntohs(new_pac->header.length);
new_pac->header.id = ntohl (new_pac->header.id);
handle_packet (new_pac, peer);
g_free (data);
}
}
out:
g_object_unref (peer);
}
static void
canRead (ccnet_packet *packet, void *arg)
{
CcnetHandshake *handshake = (CcnetHandshake *)arg;
ccnet_debug("current state is %d\n", handshake->state);
switch (handshake->state) {
case INIT:
read_peer_id (handshake, packet);
break;
case ID_SENT:
read_peer_id (handshake, packet);
break;
case ID_RECEIVED:
read_ok (handshake, packet);
break;
default: g_assert(0) ;
}
}
void
ccnet_processor_done (CcnetProcessor *processor, gboolean success)
{
if (processor->thread_running) {
processor->delay_shutdown = TRUE;
processor->was_success = success;
return;
}
if (processor->state == STATE_IN_SHUTDOWN) {
return;
}
processor->state = STATE_IN_SHUTDOWN;
if (processor->failure == PROC_NOTSET)
processor->failure = PROC_DONE;
if (!processor->peer->is_local)
ccnet_debug ("Processsor %s(%d) done %d\n", GET_PNAME(processor),
PRINT_ID(processor->id), success);
if (!processor->detached && success)
{
if (!IS_SLAVE (processor)) {
ccnet_processor_send_update (processor, SC_PROC_DONE, SS_PROC_DONE,
NULL, 0);
}
}
/* When we emit the done signal, the corresponding handler may
* shutdown the peer, we should remove this processor from the
* peers processor list, otherwise this processor will be freed
* twice. */
g_signal_emit (processor, signals[DONE_SIG], 0, success);
if (!processor->detached) {
ccnet_peer_remove_processor (processor->peer, processor);
}
ccnet_processor_release_resource (processor);
ccnet_proc_factory_recycle (processor->session->proc_factory, processor);
}
static void handle_update (CcnetProcessor *processor,
char *code, char *code_msg,
char *content, int clen)
{
CcnetMessage *msg;
if (processor->peer->is_local) {
msg = ccnet_message_from_string_local (content, clen);
ccnet_send_message (processor->session, msg);
ccnet_message_unref (msg);
} else {
msg = ccnet_message_from_string (content, clen);
if (!msg) {
g_warning ("Wrong message format.\n");
ccnet_processor_done (processor, FALSE);
return;
}
msg->rtime = time(NULL);
ccnet_debug ("[msg] Received a message : %s - %.10s\n",
msg->app, msg->body);
int ret = ccnet_recv_message (processor->session, msg);
if (ret == -1) {
ccnet_message ("[msg] Message from %.8s permission error\n",
msg->from);
ccnet_processor_send_response (processor, SC_PERM_ERR,
SS_PERM_ERR, NULL, 0);
ccnet_processor_done (processor, TRUE);
ccnet_message_unref (msg);
return;
}
ccnet_message_unref (msg);
}
ccnet_processor_send_response (processor, "200", "OK", NULL, 0);
ccnet_processor_done (processor, TRUE);
}
static void
myHandshakeDoneCB (CcnetHandshake *handshake,
CcnetPacketIO *io,
int is_connected,
const char *peer_id,
void *vmanager)
{
CcnetConnManager *manager = vmanager;
CcnetPeerManager *peerMgr = manager->session->peer_mgr;
CcnetPeer *peer;
if (!is_connected) {
if (ccnet_packet_io_is_incoming (io)) {
ccnet_warning ("[conn] incoming handshake fails.\n");
ccnet_packet_io_free (io);
return;
}
/* temporally use peer, so don't need to increase the reference */
peer = handshake->peer;
if (peer->num_fails == 0) {
/* print error for the first time */
ccnet_message ("[Conn] peer %s(%.10s) connection fails\n",
peer->name, peer->id);
} else {
ccnet_debug ("[Conn] peer %s(%.10s) connection fails\n",
peer->name, peer->id);
}
if (peer->net_state == PEER_CONNECTED) {
ccnet_debug ("[Conn] But Peer %s(%.10s) is already connected me.\n",
peer->name, peer->id);
} else if (peer->net_state == PEER_DOWN){
ccnet_peer_shutdown(peer);
}
ccnet_packet_io_free (io);
peer->num_fails++;
peer->in_connection = 0;
return;
}
if (!ccnet_packet_io_is_incoming (io)) {
peer = handshake->peer;
peer->in_connection = 0;
if (peer->to_resolve) {
if (!peer_id_valid(peer_id)) {
/* TODO: Remove the peer */
ccnet_warning ("[Conn] Resolving: Received invalid peer id\n");
return;
}
ccnet_debug ("[Conn] Resolving: Peer %.8s is resolved\n", peer_id);
memcpy (peer->id, peer_id, 40);
peer->id[40] = '\0';
on_resolve_peer_connected (peer, io);
return;
}
/* ref for using the peer below */
g_object_ref (peer);
} else {
/* incoming */
if (peer_id == NULL) {
ccnet_warning ("Unknown peer (no-id) connecting\n");
ccnet_packet_io_free (io);
return;
}
peer = ccnet_peer_manager_get_peer (peerMgr, peer_id);
if (!peer) {
ccnet_message ("Unknown peer %s connecting\n", peer_id);
peer = ccnet_peer_new (peer_id);
ccnet_peer_manager_add_peer (peerMgr, peer);
set_peer_address_from_socket(peer, io);
peer->last_up = time(NULL);
on_unauthed_peer_connected (peer, io);
g_object_unref (peer);
return;
}
set_peer_address_from_socket(peer, io);
peer->last_up = time(NULL);
}
/* hold a reference on the peer */
if (peer->net_state == PEER_CONNECTED) {
ccnet_message ("[Conn] Peer %s (%.10s) is already connected. "
"Discarding this handshake.\n",
peer->name, peer->id);
ccnet_packet_io_free (io);
g_object_unref (peer);
return;
}
ccnet_message ("[Conn] Peer %s (%.10s) connected\n",
peer->name, peer->id);
peer->num_fails = 0;
on_peer_connected (peer, io);
g_object_unref (peer);
}
/**
* return %TRUE if an outgoing connection is started, %FALSE otherwise.
*
* When peer's ip address is not looked up yet, an dns request will be sent,
* and when dns done, this function will be called again.
*/
gboolean
ccnet_conn_manager_connect_peer (CcnetConnManager *manager, CcnetPeer *peer)
{
CcnetPacketIO *io;
/* int interval; */
const char *addr = NULL;
int port = 0;
if (peer->in_connection)
return FALSE;
/* time_t now = time(NULL); */
if (peer->net_state == PEER_CONNECTED)
return FALSE;
if (peer->dns_addr)
addr = peer->dns_addr;
else if (!peer->redirected) {
if (!peer->public_addr)
goto err_connect;
if (is_valid_ipaddr(peer->public_addr))
addr = peer->public_addr;
else {
dns_lookup_peer (peer);
return TRUE; /* same as out going is started */
}
} else {
if (!peer->redirect_addr)
goto err_connect;
if (is_valid_ipaddr(peer->redirect_addr))
addr = peer->redirect_addr;
else {
dns_lookup_peer (peer);
return TRUE; /* same as out going is started */
}
}
if (!addr)
goto err_connect;
if (!peer->redirected)
port = peer->public_port;
else
port = peer->redirect_port;
ccnet_peer_update_address (peer, addr, port);
/* interval = get_reconnect_interval_secs (peer); */
/* if (now - peer->last_try_time < interval) { */
/* ccnet_debug ("[Conn] Less than interval: (%d - %d = %d, %d)\n", */
/* now, peer->last_try_time, now - peer->last_try_time, */
/* interval); */
/* return FALSE; */
/* } */
/* peer->last_try_time = now; */
if (peer->num_fails == 0) {
/* print log for the first time */
ccnet_message ("[Conn] Start outgoing connect to %s(%.10s) %s:%d\n",
peer->name, peer->id, addr, port);
} else {
ccnet_debug ("[Conn] Start outgoing connect to %s(%.10s) %s:%d\n",
peer->name, peer->id, addr, port);
}
io = ccnet_packet_io_new_outgoing (manager->session, addr, port);
if (io == NULL) {
/* ccnet_warning ("Failed to create socket for peer %s (%.10s)\n",
peer->name, peer->id); */
goto err_connect;
} else {
peer->in_connection = 1;
ccnet_handshake_new (manager->session, peer, io,
myHandshakeDoneCB, manager);
return TRUE;
}
err_connect:
peer->num_fails++;
return FALSE;
}
static void
handle_update (CcnetPeer *peer, int req_id, char *data, int len)
{
CcnetProcessor *processor;
char *code, *code_msg = 0, *content = 0;
int clen;
char *ptr, *end;
if (len < 4)
goto error;
code = data;
ptr = data + 3;
if (*ptr == '\n') {
/* no code_msg */
*ptr++ = '\0';
content = ptr;
clen = len - (ptr - data);
goto parsed;
}
if (*ptr != ' ')
goto error;
*ptr++ = '\0';
code_msg = ptr;
end = data + len;
for (ptr = data; *ptr != '\n' && ptr != end; ptr++) ;
if (ptr == end) /* must end with '\n' */
goto error;
/* if (*(ptr-1) == '\r') */
/* *(ptr-1) = '\0'; */
*ptr++ = '\0';
content = ptr;
clen = len - (ptr - data);
parsed:
processor = ccnet_peer_get_processor (peer, SLAVE_ID(req_id));
if (processor == NULL) {
if (memcmp(code, SC_PROC_DEAD, 3) != 0
&& memcmp(code, SC_PROC_DONE, 3) != 0) {
ccnet_debug ("Delayed update from %s(%.8s), id is %d, %s %s\n",
peer->name, peer->id, req_id, code, code_msg);
ccnet_peer_send_response (peer, req_id,
SC_PROC_DEAD, SS_PROC_DEAD,
NULL, 0);
}
return;
}
/* if (!peer->is_local) */
/* ccnet_debug ("[RECV] handle_update %s id is %d, %s %s\n", */
/* GET_PNAME(processor), PRINT_ID(processor->id), */
/* code, code_msg); */
peer->in_processor_call = 1;
ccnet_processor_handle_update (processor, code, code_msg, content, clen);
peer->in_processor_call = 0;
return;
error:
ccnet_warning ("Bad update format from %s\n", peer->id);
}