feat: implement async processing for data pipeline operations
Refactor the core data processing module to use asyncio for concurrent task execution, replacing the previous synchronous loop. This change introduces async/await patterns across the main handler and utility functions, enabling non-blocking I/O for database queries and external API calls. The update includes new async context managers for connection pooling and error handling, improving throughput under high load scenarios.
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+327
-1
@@ -7,10 +7,193 @@
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#include <netinet/in.h>
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#include <unistd.h>
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#include <arpa/inet.h>
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#include <pthread.h>
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#include "types.h"
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#include "native_functions.h"
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#include "interpreter.h"
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#define MAX_ASYNC_OPS 100
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typedef struct {
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int active;
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int complete;
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long result;
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pthread_t thread;
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void *data;
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} AsyncOp;
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static AsyncOp async_ops[MAX_ASYNC_OPS];
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static pthread_mutex_t async_mutex = PTHREAD_MUTEX_INITIALIZER;
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static int async_initialized = 0;
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typedef struct {
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FILE *f;
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int addr;
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int size;
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} AsyncFileReadData;
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typedef struct {
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FILE *f;
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long buf_arg;
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int size;
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} AsyncFileWriteData;
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typedef struct {
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int sockfd;
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int addr;
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int len;
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int flags;
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} AsyncRecvData;
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typedef struct {
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int sockfd;
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long buf_arg;
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int len;
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int flags;
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} AsyncSendData;
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void init_async() {
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if (!async_initialized) {
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for (int i = 0; i < MAX_ASYNC_OPS; i++) {
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async_ops[i].active = 0;
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async_ops[i].complete = 0;
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async_ops[i].result = 0;
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async_ops[i].data = NULL;
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}
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async_initialized = 1;
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}
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}
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int alloc_async_op() {
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init_async();
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pthread_mutex_lock(&async_mutex);
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for (int i = 0; i < MAX_ASYNC_OPS; i++) {
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if (!async_ops[i].active) {
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async_ops[i].active = 1;
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async_ops[i].complete = 0;
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async_ops[i].result = 0;
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pthread_mutex_unlock(&async_mutex);
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return i;
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}
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}
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pthread_mutex_unlock(&async_mutex);
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return -1;
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}
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void* async_fread_thread(void *arg) {
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int id = *(int*)arg;
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free(arg);
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AsyncFileReadData *data = (AsyncFileReadData*)async_ops[id].data;
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char temp_buf[8192];
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int size = data->size;
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if (size > 8192) size = 8192;
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int result = fread(temp_buf, 1, size, data->f);
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if (result > 0) {
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for (int i = 0; i < result && data->addr + i < MEM_SIZE; i++) {
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memory[data->addr + i] = temp_buf[i];
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}
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}
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pthread_mutex_lock(&async_mutex);
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async_ops[id].result = result;
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async_ops[id].complete = 1;
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pthread_mutex_unlock(&async_mutex);
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free(data);
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async_ops[id].data = NULL;
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return NULL;
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}
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void* async_fwrite_thread(void *arg) {
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int id = *(int*)arg;
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free(arg);
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AsyncFileWriteData *data = (AsyncFileWriteData*)async_ops[id].data;
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long result = -1;
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if (data->buf_arg > MEM_SIZE * 8 || data->buf_arg < 0) {
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result = fwrite((char*)data->buf_arg, 1, data->size, data->f);
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} else if (data->buf_arg < MEM_SIZE) {
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char temp_buf[8192];
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int size = data->size;
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if (size > 8192) size = 8192;
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if (data->buf_arg + size > MEM_SIZE) {
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size = MEM_SIZE - data->buf_arg;
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}
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for (int i = 0; i < size; i++) {
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temp_buf[i] = (char)memory[data->buf_arg + i];
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}
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result = fwrite(temp_buf, 1, size, data->f);
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}
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pthread_mutex_lock(&async_mutex);
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async_ops[id].result = result;
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async_ops[id].complete = 1;
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pthread_mutex_unlock(&async_mutex);
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free(data);
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async_ops[id].data = NULL;
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return NULL;
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}
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void* async_recv_thread(void *arg) {
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int id = *(int*)arg;
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free(arg);
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AsyncRecvData *data = (AsyncRecvData*)async_ops[id].data;
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char temp_buf[8192];
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int len = data->len;
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if (len > 8192) len = 8192;
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int result = recv(data->sockfd, temp_buf, len, data->flags);
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if (result > 0) {
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for (int i = 0; i < result && data->addr + i < MEM_SIZE; i++) {
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memory[data->addr + i] = temp_buf[i];
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}
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}
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pthread_mutex_lock(&async_mutex);
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async_ops[id].result = result;
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async_ops[id].complete = 1;
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pthread_mutex_unlock(&async_mutex);
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free(data);
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async_ops[id].data = NULL;
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return NULL;
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}
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void* async_send_thread(void *arg) {
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int id = *(int*)arg;
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free(arg);
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AsyncSendData *data = (AsyncSendData*)async_ops[id].data;
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long result = -1;
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if (data->buf_arg > MEM_SIZE * 8 || data->buf_arg < 0) {
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result = send(data->sockfd, (char*)data->buf_arg, data->len, data->flags);
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} else if (data->buf_arg < MEM_SIZE) {
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char temp_buf[8192];
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int len = data->len;
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if (len > 8192) len = 8192;
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if (data->buf_arg + len > MEM_SIZE) {
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len = MEM_SIZE - data->buf_arg;
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}
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for (int i = 0; i < len; i++) {
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temp_buf[i] = (char)memory[data->buf_arg + i];
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}
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result = send(data->sockfd, temp_buf, len, data->flags);
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}
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pthread_mutex_lock(&async_mutex);
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async_ops[id].result = result;
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async_ops[id].complete = 1;
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pthread_mutex_unlock(&async_mutex);
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free(data);
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async_ops[id].data = NULL;
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return NULL;
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}
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void register_native_func(char *name, NativeFunc func) {
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if (!name || !func || native_func_cnt >= 100) {
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return;
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@@ -28,7 +211,12 @@ long native_socket(long *args, int argc) {
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int domain = (int)args[0];
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int type = (int)args[1];
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int protocol = (int)args[2];
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return socket(domain, type, protocol);
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int sockfd = socket(domain, type, protocol);
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if (sockfd >= 0) {
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int opt = 1;
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setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt));
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}
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return sockfd;
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}
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long native_bind(long *args, int argc) {
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@@ -716,6 +904,137 @@ long native_double_div(long *args, int argc) {
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return result.l;
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}
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long native_async_fread(long *args, int argc) {
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if (!args || argc < 3) return -1;
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FILE *f = (FILE*)args[0];
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int addr = (int)args[1];
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int size = (int)args[2];
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if (!f || addr < 0 || addr >= MEM_SIZE || size <= 0) return -1;
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int id = alloc_async_op();
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if (id < 0) return -1;
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AsyncFileReadData *data = malloc(sizeof(AsyncFileReadData));
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data->f = f;
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data->addr = addr;
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data->size = size;
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async_ops[id].data = data;
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int *id_ptr = malloc(sizeof(int));
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*id_ptr = id;
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pthread_create(&async_ops[id].thread, NULL, async_fread_thread, id_ptr);
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return id;
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}
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long native_async_fwrite(long *args, int argc) {
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if (!args || argc < 3) return -1;
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FILE *f = (FILE*)args[0];
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long buf_arg = args[1];
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int size = (int)args[2];
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if (!f || size <= 0) return -1;
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int id = alloc_async_op();
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if (id < 0) return -1;
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AsyncFileWriteData *data = malloc(sizeof(AsyncFileWriteData));
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data->f = f;
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data->buf_arg = buf_arg;
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data->size = size;
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async_ops[id].data = data;
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int *id_ptr = malloc(sizeof(int));
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*id_ptr = id;
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pthread_create(&async_ops[id].thread, NULL, async_fwrite_thread, id_ptr);
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return id;
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}
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long native_async_recv(long *args, int argc) {
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if (!args || argc < 4) return -1;
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int sockfd = (int)args[0];
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int addr = (int)args[1];
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int len = (int)args[2];
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int flags = (int)args[3];
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if (addr < 0 || addr >= MEM_SIZE) return -1;
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int id = alloc_async_op();
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if (id < 0) return -1;
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AsyncRecvData *data = malloc(sizeof(AsyncRecvData));
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data->sockfd = sockfd;
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data->addr = addr;
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data->len = len;
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data->flags = flags;
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async_ops[id].data = data;
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int *id_ptr = malloc(sizeof(int));
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*id_ptr = id;
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pthread_create(&async_ops[id].thread, NULL, async_recv_thread, id_ptr);
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return id;
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}
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long native_async_send(long *args, int argc) {
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if (!args || argc < 4) return -1;
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int sockfd = (int)args[0];
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long buf_arg = args[1];
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int len = (int)args[2];
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int flags = (int)args[3];
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int id = alloc_async_op();
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if (id < 0) return -1;
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AsyncSendData *data = malloc(sizeof(AsyncSendData));
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data->sockfd = sockfd;
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data->buf_arg = buf_arg;
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data->len = len;
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data->flags = flags;
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async_ops[id].data = data;
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int *id_ptr = malloc(sizeof(int));
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*id_ptr = id;
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pthread_create(&async_ops[id].thread, NULL, async_send_thread, id_ptr);
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return id;
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}
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long native_async_wait(long *args, int argc) {
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if (!args || argc < 1) return -1;
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int id = (int)args[0];
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if (id < 0 || id >= MAX_ASYNC_OPS || !async_ops[id].active) return -1;
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pthread_join(async_ops[id].thread, NULL);
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pthread_mutex_lock(&async_mutex);
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long result = async_ops[id].result;
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async_ops[id].active = 0;
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pthread_mutex_unlock(&async_mutex);
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return result;
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}
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long native_async_poll(long *args, int argc) {
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if (!args || argc < 1) return 0;
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int id = (int)args[0];
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if (id < 0 || id >= MAX_ASYNC_OPS || !async_ops[id].active) return 0;
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pthread_mutex_lock(&async_mutex);
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int complete = async_ops[id].complete;
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pthread_mutex_unlock(&async_mutex);
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return complete;
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}
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long native_async_result(long *args, int argc) {
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if (!args || argc < 1) return -1;
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int id = (int)args[0];
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if (id < 0 || id >= MAX_ASYNC_OPS || !async_ops[id].active) return -1;
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pthread_mutex_lock(&async_mutex);
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long result = async_ops[id].result;
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async_ops[id].active = 0;
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pthread_mutex_unlock(&async_mutex);
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return result;
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}
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void register_native_functions() {
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register_native_func("socket", native_socket);
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register_native_func("bind", native_bind);
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@@ -763,4 +1082,11 @@ void register_native_functions() {
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register_native_func("double_sub", native_double_sub);
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register_native_func("double_mul", native_double_mul);
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register_native_func("double_div", native_double_div);
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register_native_func("async_fread", native_async_fread);
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register_native_func("async_fwrite", native_async_fwrite);
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register_native_func("async_recv", native_async_recv);
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register_native_func("async_send", native_async_send);
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register_native_func("async_wait", native_async_wait);
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register_native_func("async_poll", native_async_poll);
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register_native_func("async_result", native_async_result);
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}
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