111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
#ifndef OL_H
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#define OL_H
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#include <stddef.h> /* size_t */
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typedef int ol_err; /* FIXME */
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typedef struct ol_req_s ol_req;
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typedef struct ol_handle_s ol_handle;
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typedef void (*ol_req_cb)(ol_req* req, ol_err e);
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typedef void (*ol_read_cb)(ol_req* req, size_t nread, ol_err e);
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typedef void (*ol_write_cb)(ol_req* req, ol_err e);
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typedef void (*ol_accept_cb)(ol_handle* server, ol_handle* new_client);
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typedef void (*ol_close_cb)(ol_handle* handle, ol_err e);
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typedef ol_req_cb ol_connect_cb;
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typedef ol_req_cb ol_shutdown_cb;
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#if defined(__unix__) ||defined(__POSIX__)
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# include "ol-unix.h"
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#else
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# include "ol-win.h"
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#endif
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typedef enum {
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OL_UNKNOWN_HANDLE = 0,
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OL_TCP,
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OL_NAMED_PIPE,
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OL_TTY,
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OL_FILE,
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} ol_handle_type;
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struct ol_handle_s {
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/* read-only */
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ol_handle_type type;
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/* private */
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ol_handle_private _;
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/* public */
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ol_accept_cb accept_cb;
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ol_close_cb close_cb;
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void* data;
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};
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typedef enum {
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OL_UNKNOWN_REQ = 0,
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OL_CONNECT,
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OL_READ,
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OL_WRITE,
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OL_SHUTDOWN
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} ol_req_type;
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struct ol_req_s {
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/* read-only */
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ol_req_type type;
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ol_handle* handle;
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/* private */
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ol_req_private _;
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/* public */
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void* cb;
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void *data;
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};
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/**
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* Most functions return boolean: 0 for success and -1 for failure.
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* On error the user should then call ol_last_error() to determine
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* the error code.
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*/
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ol_err ol_last_error();
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const char* ol_err_str(ol_err err);
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void ol_init();
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int ol_run();
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ol_handle* ol_handle_new(ol_close_cb close_cb, void* data);
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/* TCP server methods. */
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int ol_bind(ol_handle* handle, struct sockaddr* addr);
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int ol_listen(ol_handle* handle, int backlog, ol_accept_cb cb);
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/* TCP socket methods. */
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int ol_connect(ol_handle* handle, ol_req *req, struct sockaddr* addr);
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int ol_read(ol_handle* handle, ol_req *req, ol_buf* bufs, int bufcnt);
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int ol_write(ol_handle* handle, ol_req *req, ol_buf* bufs, int bufcnt);
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int ol_write2(ol_handle* handle, const char* msg);
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int ol_shutdown(ol_handle* handle, ol_req *req);
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/* Request handle to be closed. close_cb will be made */
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/* synchronously during this call. */
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int ol_close(ol_handle* handle);
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/* Must be called for all handles after close_cb. Handles that arrive
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* via the accept_cb must use ol_free().
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*/
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void ol_free(ol_handle* handle);
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/* Utility */
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struct sockaddr_in ol_ip4_addr(char *ip, int port);
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#endif /* OL_H */
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