init upl

2026-10-12 07:43:34 +03:00
commit fc2e01da4d
7 changed files with 1554 additions and 0 deletions
@@ -0,0 +1,117 @@
+#ifndef HYGATE_H
+#define HYGATE_H
+
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#define DEFAULT_UA "Mozilla/5.0 (X11; Linux x86_64; rv:153.0) Gecko/20100101 Firefox/153.0"
+#define DEFAULT_PORT "8080"
+#define DEFAULT_ENDPOINT "https://tencent-hy3.hf.space"
+#define DEFAULT_MODEL "hy3"
+#define MAX_RETRIES 5
+#define UPSTREAM_TIMEOUT 300L
+#define MAX_CONCURRENT_THREADS 16
+#define MAX_BODY_BYTES (5u * 1024u * 1024u)   /* 5 MiB request body cap */
+
+/* ------------------------------------------------------------------ */
+/* Dynamic string buffer (always NUL terminated)                       */
+/* ------------------------------------------------------------------ */
+typedef struct {
+  char *buf;
+  size_t len;
+  size_t cap;
+} strbuf;
+
+void sb_init(strbuf *s);
+void sb_free(strbuf *s);
+int sb_append(strbuf *s, const char *data, size_t n);
+int sb_append_str(strbuf *s, const char *str);
+void sb_reset(strbuf *s);
+
+/* ------------------------------------------------------------------ */
+/* Small utilities                                                     */
+/* ------------------------------------------------------------------ */
+void generate_uuid(char out[37]);
+long fib_delay(int attempt);
+int write_all(int fd, const char *buf, size_t n);
+int iequals(const char *a, const char *b);
+
+/* ------------------------------------------------------------------ */
+/* Tool call representation (parsed from Gradio stream)                 */
+/* ------------------------------------------------------------------ */
+typedef struct {
+  char *id;
+  char *type;
+  char *name;
+  char *arguments;
+} tool_call_t;
+
+void free_toolcalls(tool_call_t *tc, int n);
+
+/* Parse a single Gradio SSE data payload: [["content","reasoning",[...]]]
+ * Returns 1 on success (caller frees *out_content, *out_reasoning,
+ * *out_tc via free_toolcalls). */
+int parse_gradio_stream(const char *data_json,
+                        char **out_content, char **out_reasoning,
+                        tool_call_t **out_tc, int *out_n_tc);
+
+/* ------------------------------------------------------------------ */
+/* JSON request <-> Gradio payload translation                          */
+/* ------------------------------------------------------------------ */
+/* Build the Gradio call payload {"data":[...]} from an OpenAI chat
+ * completion request object. Caller frees the result. Returns NULL on
+ * malformed input. */
+char *build_gradio_payload(void *req_obj, const char *model_default);
+
+/* Build a non-streaming OpenAI completion response JSON string. Caller
+ * frees the result. */
+char *build_completion_response(const char *id, long created, const char *model,
+                                const char *content, const char *reasoning,
+                                tool_call_t *tc, int n_tc);
+
+/* Build a streaming tool-call delta JSON array (first emission: full
+ * tool call with index). Caller frees the result. */
+char *toolcall_delta_json(tool_call_t *tc, int idx);
+
+/* Build a streaming tool-call argument-delta JSON array (index +
+ * function.arguments only). Caller frees the result. */
+char *toolcall_delta_argdelta(int idx, const char *delta);
+
+/* ------------------------------------------------------------------ */
+/* Server / request handling                                           */
+/* ------------------------------------------------------------------ */
+typedef struct {
+  const char *port;
+  const char *endpoint;
+  const char *model;
+  const char *user_agent; /* empty string => use DEFAULT_UA */
+  long max_body_bytes;
+  int max_connections;
+} config_t;
+
+typedef struct {
+  char method[16];
+  char path[4096];
+  char content_type[256];
+  long content_length;
+  char ua_override[1024];
+  bool has_x_ua;
+  char *body;
+  size_t body_len;
+} http_req_t;
+
+void http_req_free(http_req_t *r);
+
+/* Read the full HTTP request header block from fd into buf. Returns 0
+ * on success, -1 on error/timeout. */
+int read_headers(int fd, strbuf *buf);
+
+/* Parse a buffered HTTP request. Returns 0 on success. */
+int parse_http_request(strbuf *buf, int fd, http_req_t *req, long max_body_bytes);
+
+/* Handle one accepted client connection (reads request, routes,
+ * writes response). */
+void handle_connection(int fd, const config_t *cfg);
+
+#endif /* HYGATE_H */