feat(d5-daemon-core): daemon lifecycle, module config, ::dest, PROTOCOL 2.15.0

src/server/server_cli.h

@@ -0,0 +1,48 @@
+#ifndef SERVER_CLI_H
+#define SERVER_CLI_H
+
+#include <stdbool.h>
+#include <stddef.h>
+
+/* Parsed fastsync-server command line.  All string members are borrowed
+ * pointers into the original argv (valid for the life of the argv array the
+ * caller passed to server_cli_parse); dparams points at the raw --dparam
+ * argument strings.  No member owns heap memory. */
+typedef struct ServerCliOptions {
+  bool stdio_mode;              /* --stdio */
+  bool daemon_mode;             /* --daemon */
+  bool no_detach;               /* --no-detach */
+  bool verbose;                 /* -v / --verbose */
+  bool show_help;               /* --help */
+  bool use_tls;                 /* --tls */
+  const char* tls_cert;         /* --cert */
+  const char* tls_key;          /* --key */
+  const char* tls_ca;           /* --ca */
+  const char* client_cn;        /* --client-cn */
+  bool destination_root_set;    /* an explicit --destination-root was given */
+  const char* destination_root; /* --destination-root value ("." if unset) */
+  bool port_set;                /* an explicit -p was given */
+  int port;                     /* -p value (default 8080 when unset) */
+  const char* config_path;      /* --config value, or NULL */
+  const char** dparams;         /* raw --dparam override strings */
+  int dparam_count;
+  const char* bind_address;   /* --address */
+  int bind_family;            /* AF_UNSPEC / AF_INET / AF_INET6 */
+  bool allow_delete;          /* --allow-delete */
+  bool trust_sender;          /* --trust-sender */
+  bool allow_unauthenticated; /* --allow-unauthenticated */
+} ServerCliOptions;
+
+/* Parse argc/argv into *opts.  Zero-initialize *opts before calling (or use
+ * server_cli_options_default).  Returns:
+ *   1  -- --help was requested (opts->show_help set; caller prints usage).
+ *   0  -- parsed successfully.
+ *  -1  -- invalid arguments (err is filled with the reason).
+ */
+void server_cli_options_default(ServerCliOptions* opts);
+int server_cli_parse(int argc, char* argv[], ServerCliOptions* opts, char* err, size_t err_size);
+/* Release the only heap the parsed options own (the dparams pointer array; the
+ * strings it points at are borrowed from argv and are not freed).  Safe to
+ * call on a zero-initialized/defaulted struct. */
+void server_cli_options_free(ServerCliOptions* opts);
+#endif