static bool nc_conn_message(struct nc_conn *conn)
{
char *command = conn->msg.hdr.command;
/* verify correct network */
if (memcmp(conn->msg.hdr.netmagic, conn->nci->chain->netmagic, 4)) {
log_info("net: %s invalid network",
conn->addr_str);
return false;
}
/* incoming message: version */
if (!strncmp(command, "version", 12))
return nc_msg_version(conn);
/* "version" must be first message */
if (!conn->seen_version) {
log_info("net: %s 'version' not first",
conn->addr_str);
return false;
}
/* incoming message: verack */
if (!strncmp(command, "verack", 12))
return nc_msg_verack(conn);
/* "verack" must be second message */
if (!conn->seen_verack) {
log_info("net: %s 'verack' not second",
conn->addr_str);
return false;
}
/* incoming message: addr */
if (!strncmp(command, "addr", 12))
return nc_msg_addr(conn);
/* incoming message: inv */
else if (!strncmp(command, "inv", 12))
return nc_msg_inv(conn);
/* incoming message: block */
else if (!strncmp(command, "block", 12))
return nc_msg_block(conn);
log_debug("net: %s unknown message %s",
conn->addr_str,
command);
/* ignore unknown messages */
return true;
}
static bool nc_conn_message(struct nc_conn *conn)
{
char *command = conn->msg.hdr.command;
/* verify correct network */
if (memcmp(conn->msg.hdr.netmagic, chain->netmagic, 4)) {
fprintf(plog, "net: %s invalid network\n",
conn->addr_str);
return false;
}
/* incoming message: version */
if (!strncmp(command, "version", 12)){
LOG("version command received from %s.", conn->addr_str);
return nc_msg_version(conn);
}
/* "version" must be first message */
if (!conn->seen_version) {
fprintf(plog, "net: %s 'version' not first\n",
conn->addr_str);
return false;
}
/* incoming message: verack */
if (!strncmp(command, "verack", 12)){
LOG("verack command received from %s.", conn->addr_str);
return nc_msg_verack(conn);
}
/* "verack" must be second message */
if (!conn->seen_verack) {
fprintf(plog, "net: %s 'verack' not second\n",
conn->addr_str);
return false;
}
/* incoming message: addr */
if (!strncmp(command, "addr", 12)){
LOG("addr command received from %s.", conn->addr_str);
return nc_msg_addr(conn);
}
/* incoming message: inv */
else if (!strncmp(command, "inv", 12)){
LOG("inv command received from %s.", conn->addr_str);
return nc_msg_inv(conn);
}
/* incoming message: block */
else if (!strncmp(command, "block", 12)){
LOG("block command received from %s.", conn->addr_str);
return nc_msg_block(conn);
}
if (debugging)
fprintf(plog, "net: %s unknown message %s\n",
conn->addr_str,
command);
/* ignore unknown messages */
return true;
}
