static void newInterface2(struct Context* ctx,
struct Sockaddr* addr,
String* txid)
{
struct Allocator* const alloc = Allocator_child(ctx->allocator);
struct UDPInterface* udpIf = NULL;
struct Jmp jmp;
Jmp_try(jmp) {
udpIf = UDPInterface_new(ctx->eventBase, addr, alloc, &jmp.handler, ctx->logger, ctx->ic);
} Jmp_catch {
String* errStr = String_CONST(jmp.message);
Dict out = Dict_CONST(String_CONST("error"), String_OBJ(errStr), NULL);
Admin_sendMessage(&out, txid, ctx->admin);
Allocator_free(alloc);
}
// sizeof(struct UDPInterface*) the size of a pointer.
ctx->ifaces = Allocator_realloc(ctx->allocator,
ctx->ifaces,
sizeof(struct UDPInterface*) * (ctx->ifCount + 1));
ctx->ifaces[ctx->ifCount] = udpIf;
Dict out = Dict_CONST(
String_CONST("error"), String_OBJ(String_CONST("none")), Dict_CONST(
String_CONST("interfaceNumber"), Int_OBJ(ctx->ifCount), NULL
));
Admin_sendMessage(&out, txid, ctx->admin);
ctx->ifCount++;
}
int main(int argc, char** argv)
{
struct Allocator* alloc = MallocAllocator_new(1<<20);
struct EventBase* base = EventBase_new(alloc);
struct Writer* logWriter = FileWriter_new(stdout, alloc);
struct Log* logger = WriterLog_new(logWriter, alloc);
// mock interface controller.
struct InterfaceController ic = {
.registerPeer = registerPeer
};
struct Sockaddr_storage addr;
Assert_always(!Sockaddr_parse("127.0.0.1", &addr));
struct UDPInterface* udpA = UDPInterface_new(base, &addr.addr, alloc, NULL, logger, &ic);
struct UDPInterface* udpB = UDPInterface_new(base, &addr.addr, alloc, NULL, logger, &ic);
struct Message* msg;
Message_STACK(msg, 0, 128);
Message_push(msg, "Hello World", 12, NULL);
Message_push(msg, udpA->addr, udpA->addr->addrLen, NULL);
struct Interface* ifA = &((struct UDPInterface_pvt*) udpA)->udpBase->generic;
struct Interface* ifB = &((struct UDPInterface_pvt*) udpB)->udpBase->generic;
ifA->receiveMessage = receiveMessageA;
ifB->receiveMessage = receiveMessageB;
ifB->receiverContext = alloc;
struct Allocator* child = Allocator_child(alloc);
msg = Message_clone(msg, child);
ifB->sendMessage(msg, ifB);
Allocator_free(child);
Timeout_setTimeout(fail, NULL, 1000, base, alloc);
EventBase_beginLoop(base);
return 0;
}
static void newInterface(Dict* args, void* vcontext, String* txid)
{
struct Context* const ctx = vcontext;
String* const bindAddress = Dict_getString(args, String_CONST("bindAddress"));
struct Allocator* const alloc = ctx->allocator->child(ctx->allocator);
struct UDPInterface* udpIf = NULL;
struct Jmp jmp;
Jmp_try(jmp) {
char* const bindBytes = (bindAddress) ? bindAddress->bytes : NULL;
udpIf = UDPInterface_new(
ctx->eventBase, bindBytes, alloc, &jmp.handler, ctx->logger, ctx->ic);
} Jmp_catch {
String* errStr = String_CONST(jmp.message);
Dict out = Dict_CONST(String_CONST("error"), String_OBJ(errStr), NULL);
if (jmp.code == UDPInterface_new_SOCKET_FAILED
|| jmp.code == UDPInterface_new_BIND_FAILED)
{
char* err = strerror(EVUTIL_SOCKET_ERROR());
Dict out2 = Dict_CONST(String_CONST("cause"), String_OBJ(String_CONST(err)), out);
Admin_sendMessage(&out2, txid, ctx->admin);
} else {
Admin_sendMessage(&out, txid, ctx->admin);
}
alloc->free(alloc);
return;
}
// sizeof(struct UDPInterface*) the size of a pointer.
ctx->ifaces = ctx->allocator->realloc(ctx->ifaces,
sizeof(struct UDPInterface*) * (ctx->ifCount + 1),
ctx->allocator);
ctx->ifaces[ctx->ifCount] = udpIf;
Dict out = Dict_CONST(
String_CONST("error"), String_OBJ(String_CONST("none")), Dict_CONST(
String_CONST("interfaceNumber"), Int_OBJ(ctx->ifCount), NULL
));
Admin_sendMessage(&out, txid, ctx->admin);
ctx->ifCount++;
}
static void configureUDP(Dict* config, struct Context* ctx)
{
String* bindStr = Dict_getString(config, BSTR("bind"));
char* bindAddress = bindStr ? bindStr->bytes : NULL;
struct UDPInterface* udpContext =
UDPInterface_new(ctx->base, bindAddress, ctx->allocator, ctx->eHandler, ctx->logger);
if (bindStr) {
struct Interface* udpDefault = UDPInterface_getDefaultInterface(udpContext);
struct Interface* authedDef =
CryptoAuth_wrapInterface(udpDefault, NULL, true, true, ctx->ca);
struct UDPInterfaceContext* uictx =
ctx->allocator->malloc(sizeof(struct UDPInterfaceContext), ctx->allocator);
uictx->context = ctx;
uictx->udpContext = udpContext;
authedDef->receiveMessage = serverFirstIncoming;
authedDef->receiverContext = uictx;
}
Dict* connectTo = Dict_getDict(config, BSTR("connectTo"));
if (connectTo) {
struct Dict_Entry* entry = *connectTo;
while (entry != NULL) {
String* key = (String*) entry->key;
if (entry->val->type != Object_DICT) {
fprintf(stderr,
"interfaces.UDPInterface.connectTo: entry %s is not a dictionary type.\n",
key->bytes);
abort();
}
Dict* value = entry->val->as.dictionary;
udpConnectTo(key, value, udpContext, ctx);
entry = entry->next;
}
}
}