feat: first init

- Simple unix daemon
- Python, Go, and C client

clients/c/chipper_client.c

@@ -0,0 +1,77 @@
+/**
+* @file chipper_client.c
+* @brief The C client sdk for connecting to the Chipper Socket
+*/
+
+#include "chipper_client.h"
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <unistd.h>
+
+#define CHIPPER_CLIENT_BUFFER 2048
+
+static int chipper_fd = -1;
+static struct sockaddr_un chipper_addr;
+static char chipper_service[64];
+static char chipper_source[64];
+
+int chipper_client_init(const char *socket_path, const char *service, const char *source) {
+    if (chipper_fd != -1) return 0; // Already initialized
+
+    chipper_fd = socket(AF_UNIX, SOCK_DGRAM, 0);
+    if (chipper_fd == -1) {
+        perror("chipper_client socket");
+        return -1;
+    }
+
+    memset(&chipper_addr, 0, sizeof(chipper_addr));
+    chipper_addr.sun_family = AF_UNIX;
+    strncpy(chipper_addr.sun_path, socket_path, sizeof(chipper_addr.sun_path) - 1);
+    strncpy(chipper_service, service, sizeof(chipper_service) -1);
+    chipper_service[sizeof(chipper_service) - 1] = '\0';
+
+    strncpy(chipper_source, source, sizeof(chipper_source) - 1);
+    chipper_source[sizeof(chipper_source) - 1] = '\0';
+
+    return 0;
+}
+
+void chipper_client_close(void) {
+    if (chipper_fd != -1) {
+        close(chipper_fd);
+        chipper_fd = -1;
+    }
+}
+
+int chipper_client_log(const char *level, const char *fmt, ...) {
+    if (chipper_fd == -1) {
+        errno = EBADF;
+        return -1;
+    }
+
+    char msg_buf[CHIPPER_CLIENT_BUFFER];
+    char final_buf[CHIPPER_CLIENT_BUFFER];
+
+    va_list args;
+    va_start(args, fmt);
+    vsnprintf(msg_buf, sizeof(msg_buf), fmt, args);
+    va_end(args);
+
+    snprintf(final_buf, sizeof(final_buf), 
+        "level=%s service=%s source=%s msg=\"%s\"",
+        level, chipper_service, chipper_source, msg_buf
+    );
+
+    ssize_t n = sendto(chipper_fd, final_buf, strlen(final_buf), 0, (struct sockaddr *)&chipper_addr, sizeof(chipper_addr));
+    if (n == -1) {
+        perror("chipper_client sendto");
+        return -1;
+    }
+
+    return 0;
+}