progress on external computers

This commit is contained in:
IonutParau 2025-07-31 16:41:04 +02:00
parent cab0106a6a
commit a0bd37a213
2 changed files with 199 additions and 0 deletions

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@ -0,0 +1,192 @@
#include "../neonucleus.h"
typedef struct nn_externalComputer_t {
nn_Context ctx;
nn_refc refc;
nn_guard *lock;
nn_externalComputerTable_t table;
} nn_externalComputer_t;
nn_externalComputer_t *nn_newExternalComputer(nn_Context *ctx, nn_externalComputerTable_t table) {
nn_externalComputer_t *external = nn_alloc(&ctx->allocator, sizeof(nn_externalComputer_t));
if(external == NULL) return NULL;
external->lock = nn_newGuard(ctx);
if(external->lock == NULL) {
nn_dealloc(&ctx->allocator, external, sizeof(nn_externalComputer_t));
return NULL;
}
return external;
}
nn_guard *nn_externalComputer_getLock(nn_externalComputer_t *external) {
return external->lock;
}
void nn_externalComputer_retain(nn_externalComputer_t *external) {
nn_incRef(&external->refc);
}
nn_bool_t nn_externalComputer_destroy(nn_externalComputer_t *external) {
if(!nn_decRef(&external->refc)) return false;
nn_Context ctx = external->ctx;
nn_deleteGuard(&ctx, external->lock);
nn_dealloc(&ctx.allocator, external, sizeof(nn_externalComputer_t));
return true;
}
void nni_externalComputer_componentDestroy(void *_, nn_component *component, nn_externalComputer_t *external) {
nn_externalComputer_destroy(external);
}
static void nni_externalComputer_start(nn_externalComputer_t *external, void *_, nn_component *component, nn_computer *computer) {
nn_errorbuf_t err = "";
nn_lock(&external->ctx, external->lock);
nn_bool_t worked = external->table.start(external->table.userdata, computer, err);
nn_unlock(&external->ctx, external->lock);
if(!nn_error_isEmpty(err)) {
nn_setError(computer, err);
return;
}
nn_return_boolean(computer, worked);
}
static void nni_externalComputer_stop(nn_externalComputer_t *external, void *_, nn_component *component, nn_computer *computer) {
nn_errorbuf_t err = "";
nn_lock(&external->ctx, external->lock);
nn_bool_t worked = external->table.stop(external->table.userdata, computer, err);
nn_unlock(&external->ctx, external->lock);
if(!nn_error_isEmpty(err)) {
nn_setError(computer, err);
return;
}
nn_return_boolean(computer, worked);
}
static void nni_externalComputer_isRunning(nn_externalComputer_t *external, void *_, nn_component *component, nn_computer *computer) {
nn_errorbuf_t err = "";
nn_lock(&external->ctx, external->lock);
nn_bool_t truthy = external->table.isRunning(external->table.userdata, computer, err);
nn_unlock(&external->ctx, external->lock);
if(!nn_error_isEmpty(err)) {
nn_setError(computer, err);
return;
}
nn_return_boolean(computer, truthy);
}
static void nni_externalComputer_isRobot(nn_externalComputer_t *external, void *_, nn_component *component, nn_computer *computer) {
nn_errorbuf_t err = "";
nn_lock(&external->ctx, external->lock);
nn_bool_t truthy = external->table.isRobot(external->table.userdata, computer, err);
nn_unlock(&external->ctx, external->lock);
if(!nn_error_isEmpty(err)) {
nn_setError(computer, err);
return;
}
nn_return_boolean(computer, truthy);
}
static void nni_externalComputer_getArchitecture(nn_externalComputer_t *external, void *_, nn_component *component, nn_computer *computer) {
nn_errorbuf_t err = "";
nn_lock(&external->ctx, external->lock);
nn_architecture *arch = external->table.getArchitecture(external->table.userdata, computer, err);
nn_unlock(&external->ctx, external->lock);
if(!nn_error_isEmpty(err)) {
nn_setError(computer, err);
return;
}
nn_return_cstring(computer, arch->archName);
}
static void nni_externalComputer_getDeviceInfo(nn_externalComputer_t *external, void *_, nn_component *component, nn_computer *computer) {
nn_errorbuf_t err = "";
nn_deviceInfoList_t *info = nn_newDeviceInfoList(&external->ctx, 16);
if(info == NULL) {
nn_setCError(computer, "out of memory");
return;
}
nn_lock(&external->ctx, external->lock);
external->table.getDeviceInfo(external->table.userdata, info, computer, err);
nn_unlock(&external->ctx, external->lock);
if(!nn_error_isEmpty(err)) {
nn_deleteDeviceInfoList(info);
nn_setError(computer, err);
return;
}
nn_size_t deviceCount = nn_getDeviceCount(info);
nn_value devicesSerialized = nn_return_table(computer, deviceCount);
for(nn_size_t i = 0; i < deviceCount; i++) {
nn_deviceInfo_t *device = nn_getDeviceInfoAt(info, i);
nn_size_t deviceInfoSize = nn_getDeviceKeyCount(device);
nn_value deviceTable = nn_values_table(&external->ctx.allocator, deviceInfoSize);
for(nn_size_t j = 0; j < deviceInfoSize; j++) {
const char *value = NULL;
const char *key = nn_iterateDeviceInfoKeys(device, j, &value);
nn_values_setPair(
deviceTable,
j,
nn_values_string(&external->ctx.allocator, key, nn_strlen(key)),
nn_values_string(&external->ctx.allocator, value, nn_strlen(value))
);
}
const char *addr = nn_getDeviceInfoAddress(device);
nn_values_setPair(
devicesSerialized,
i,
nn_values_string(&external->ctx.allocator, addr, nn_strlen(addr)),
deviceTable
);
}
nn_deleteDeviceInfoList(info);
}
void nn_loadExternalComputerTable(nn_universe *universe) {
nn_componentTable *computerTable = nn_newComponentTable(nn_getAllocator(universe), "modem", NULL, NULL, (nn_componentDestructor *)nni_externalComputer_componentDestroy);
nn_storeUserdata(universe, "NN:COMPUTER", computerTable);
nn_method_t *method;
method = nn_defineMethod(computerTable, "start", (nn_componentMethod *)nni_externalComputer_start, "start(): boolean - Starts the computer. Returns whether it was successful");
nn_method_setDirect(method, false);
method = nn_defineMethod(computerTable, "stop", (nn_componentMethod *)nni_externalComputer_stop, "stop(): boolean - Stops the computer. Returns whether it was successful");
nn_method_setDirect(method, false);
method = nn_defineMethod(computerTable, "isRunning", (nn_componentMethod *)nni_externalComputer_isRunning, "isRunning(): boolean - Returns whether the computer was running");
nn_method_setDirect(method, false);
method = nn_defineMethod(computerTable, "isRobot", (nn_componentMethod *)nni_externalComputer_isRobot, "isRobot(): boolean - Returns whether the computer was running");
nn_method_setDirect(method, false);
method = nn_defineMethod(computerTable, "getArchitecture", (nn_componentMethod *)nni_externalComputer_getArchitecture, "getArchitecture(): string - Returns the name of the architecture of the computer");
nn_method_setDirect(method, false);
method = nn_defineMethod(computerTable, "getDeviceInfo", (nn_componentMethod *)nni_externalComputer_getDeviceInfo, "getDeviceList(): {[string]: {[string]: string}} - Returns information about the devices connected to the computer");
nn_method_setDirect(method, false);
}
nn_component *nn_externalComputer_addTo(nn_computer *computer, nn_address address, int slot, nn_externalComputer_t *external) {
nn_componentTable *computerTable = nn_queryUserdata(nn_getUniverse(computer), "NN:COMPUTER");
return nn_newComponent(computer, address, slot, computerTable, external);
}

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@ -694,6 +694,7 @@ void nn_loadKeyboardTable(nn_universe *universe);
void nn_loadModemTable(nn_universe *universe);
void nn_loadTunnelTable(nn_universe *universe);
void nn_loadDiskDriveTable(nn_universe *universe);
void nn_loadExternalComputerTable(nn_universe *universe);
nn_component *nn_mountKeyboard(nn_computer *computer, nn_address address, int slot);
@ -1136,6 +1137,7 @@ typedef struct nn_externalComputerTable_t {
void (*beep)(void *userdata, nn_computer *requester, double freq, double duration, double volume, nn_errorbuf_t err);
void (*crash)(void *userdata, nn_computer *requester, nn_errorbuf_t err);
nn_architecture *(*getArchitecture)(void *userdata, nn_computer *requester, nn_errorbuf_t err);
void (*getDeviceInfo)(void *userdata, nn_deviceInfoList_t *list, nn_computer *requester, nn_errorbuf_t err);
nn_bool_t (*isRobot)(void *userdata, nn_computer *requester, nn_errorbuf_t err);
} nn_externalComputerTable_t;
@ -1145,6 +1147,11 @@ typedef struct nn_externalComputer_t nn_externalComputer_t;
// It may refer to the current computer (counter-intuitively)
// It may exist when the computer it is refering too has no running state (aka is powered off)
nn_externalComputer_t *nn_newExternalComputer(nn_Context *ctx, nn_externalComputerTable_t table);
nn_guard *nn_externalComputer_getLock(nn_externalComputer_t *external);
void nn_externalComputer_retain(nn_externalComputer_t *external);
nn_bool_t nn_externalComputer_destroy(nn_externalComputer_t *external);
nn_component *nn_externalComputer_addTo(nn_computer *computer, nn_address address, int slot, nn_externalComputer_t *external);
#ifdef __cplusplus // c++ sucks
}