diff options
Diffstat (limited to 'src/microhttpd/daemon.c')
-rw-r--r-- | src/microhttpd/daemon.c | 143 |
1 files changed, 87 insertions, 56 deletions
diff --git a/src/microhttpd/daemon.c b/src/microhttpd/daemon.c index 8f85c49a..7f366966 100644 --- a/src/microhttpd/daemon.c +++ b/src/microhttpd/daemon.c | |||
@@ -548,7 +548,7 @@ add_to_fd_set (int fd, | |||
548 | 548 | ||
549 | 549 | ||
550 | /** | 550 | /** |
551 | * Obtain the select sets for this daemon. | 551 | * Obtain the `select()` sets for this daemon. |
552 | * | 552 | * |
553 | * @param daemon daemon to get sets from | 553 | * @param daemon daemon to get sets from |
554 | * @param read_fd_set read set | 554 | * @param read_fd_set read set |
@@ -556,9 +556,10 @@ add_to_fd_set (int fd, | |||
556 | * @param except_fd_set except set | 556 | * @param except_fd_set except set |
557 | * @param max_fd increased to largest FD added (if larger | 557 | * @param max_fd increased to largest FD added (if larger |
558 | * than existing value); can be NULL | 558 | * than existing value); can be NULL |
559 | * @return MHD_YES on success, MHD_NO if this | 559 | * @return #MHD_YES on success, #MHD_NO if this |
560 | * daemon was not started with the right | 560 | * daemon was not started with the right |
561 | * options for this call. | 561 | * options for this call. |
562 | * @ingroup event | ||
562 | */ | 563 | */ |
563 | int | 564 | int |
564 | MHD_get_fdset (struct MHD_Daemon *daemon, | 565 | MHD_get_fdset (struct MHD_Daemon *daemon, |
@@ -1406,12 +1407,16 @@ make_nonblocking_noninheritable (struct MHD_Daemon *daemon, | |||
1406 | 1407 | ||
1407 | 1408 | ||
1408 | /** | 1409 | /** |
1409 | * Add another client connection to the set of connections | 1410 | * Add another client connection to the set of connections managed by |
1410 | * managed by MHD. This API is usually not needed (since | 1411 | * MHD. This API is usually not needed (since MHD will accept inbound |
1411 | * MHD will accept inbound connections on the server socket). | 1412 | * connections on the server socket). Use this API in special cases, |
1412 | * Use this API in special cases, for example if your HTTP | 1413 | * for example if your HTTP server is behind NAT and needs to connect |
1413 | * server is behind NAT and needs to connect out to the | 1414 | * out to the HTTP client, or if you are building a proxy. |
1414 | * HTTP client. | 1415 | * |
1416 | * If you use this API in conjunction with a internal select or a | ||
1417 | * thread pool, you must set the option | ||
1418 | * #MHD_USE_PIPE_FOR_SHUTDOWN to ensure that the freshly added | ||
1419 | * connection is immediately processed by MHD. | ||
1415 | * | 1420 | * |
1416 | * The given client socket will be managed (and closed!) by MHD after | 1421 | * The given client socket will be managed (and closed!) by MHD after |
1417 | * this call and must no longer be used directly by the application | 1422 | * this call and must no longer be used directly by the application |
@@ -1423,11 +1428,12 @@ make_nonblocking_noninheritable (struct MHD_Daemon *daemon, | |||
1423 | * @param client_socket socket to manage (MHD will expect | 1428 | * @param client_socket socket to manage (MHD will expect |
1424 | * to receive an HTTP request from this socket next). | 1429 | * to receive an HTTP request from this socket next). |
1425 | * @param addr IP address of the client | 1430 | * @param addr IP address of the client |
1426 | * @param addrlen number of bytes in addr | 1431 | * @param addrlen number of bytes in @a addr |
1427 | * @return MHD_YES on success, MHD_NO if this daemon could | 1432 | * @return #MHD_YES on success, #MHD_NO if this daemon could |
1428 | * not handle the connection (i.e. malloc failed, etc). | 1433 | * not handle the connection (i.e. `malloc()` failed, etc). |
1429 | * The socket will be closed in any case; 'errno' is | 1434 | * The socket will be closed in any case; `errno` is |
1430 | * set to indicate further details about the error. | 1435 | * set to indicate further details about the error. |
1436 | * @ingroup specialized | ||
1431 | */ | 1437 | */ |
1432 | int | 1438 | int |
1433 | MHD_add_connection (struct MHD_Daemon *daemon, | 1439 | MHD_add_connection (struct MHD_Daemon *daemon, |
@@ -1602,16 +1608,18 @@ MHD_cleanup_connections (struct MHD_Daemon *daemon) | |||
1602 | 1608 | ||
1603 | 1609 | ||
1604 | /** | 1610 | /** |
1605 | * Obtain timeout value for select for this daemon | 1611 | * Obtain timeout value for `select()` for this daemon (only needed if |
1606 | * (only needed if connection timeout is used). The | 1612 | * connection timeout is used). The returned value is how long |
1607 | * returned value is how long select should at most | 1613 | * `select()` or `poll()` should at most block, not the timeout value set |
1608 | * block, not the timeout value set for connections. | 1614 | * for connections. This function MUST NOT be called if MHD is |
1615 | * running with #MHD_USE_THREAD_PER_CONNECTION. | ||
1609 | * | 1616 | * |
1610 | * @param daemon daemon to query for timeout | 1617 | * @param daemon daemon to query for timeout |
1611 | * @param timeout set to the timeout (in milliseconds) | 1618 | * @param timeout set to the timeout (in milliseconds) |
1612 | * @return MHD_YES on success, MHD_NO if timeouts are | 1619 | * @return #MHD_YES on success, #MHD_NO if timeouts are |
1613 | * not used (or no connections exist that would | 1620 | * not used (or no connections exist that would |
1614 | * necessiate the use of a timeout right now). | 1621 | * necessiate the use of a timeout right now). |
1622 | * @ingroup event | ||
1615 | */ | 1623 | */ |
1616 | int | 1624 | int |
1617 | MHD_get_timeout (struct MHD_Daemon *daemon, | 1625 | MHD_get_timeout (struct MHD_Daemon *daemon, |
@@ -1685,21 +1693,22 @@ MHD_get_timeout (struct MHD_Daemon *daemon, | |||
1685 | 1693 | ||
1686 | /** | 1694 | /** |
1687 | * Run webserver operations. This method should be called by clients | 1695 | * Run webserver operations. This method should be called by clients |
1688 | * in combination with MHD_get_fdset if the client-controlled select | 1696 | * in combination with #MHD_get_fdset if the client-controlled select |
1689 | * method is used. | 1697 | * method is used. |
1690 | * | 1698 | * |
1691 | * You can use this function instead of "MHD_run" if you called | 1699 | * You can use this function instead of #MHD_run if you called |
1692 | * 'select' on the result from "MHD_get_fdset". File descriptors in | 1700 | * `select()` on the result from #MHD_get_fdset. File descriptors in |
1693 | * the sets that are not controlled by MHD will be ignored. Calling | 1701 | * the sets that are not controlled by MHD will be ignored. Calling |
1694 | * this function instead of "MHD_run" is more efficient as MHD will | 1702 | * this function instead of #MHD_run is more efficient as MHD will |
1695 | * not have to call 'select' again to determine which operations are | 1703 | * not have to call `select()` again to determine which operations are |
1696 | * ready. | 1704 | * ready. |
1697 | * | 1705 | * |
1698 | * @param daemon daemon to run select loop for | 1706 | * @param daemon daemon to run select loop for |
1699 | * @param read_fd_set read set | 1707 | * @param read_fd_set read set |
1700 | * @param write_fd_set write set | 1708 | * @param write_fd_set write set |
1701 | * @param except_fd_set except set (not used, can be NULL) | 1709 | * @param except_fd_set except set (not used, can be NULL) |
1702 | * @return MHD_NO on serious errors, MHD_YES on success | 1710 | * @return #MHD_NO on serious errors, #MHD_YES on success |
1711 | * @ingroup event | ||
1703 | */ | 1712 | */ |
1704 | int | 1713 | int |
1705 | MHD_run_from_select (struct MHD_Daemon *daemon, | 1714 | MHD_run_from_select (struct MHD_Daemon *daemon, |
@@ -2295,18 +2304,23 @@ MHD_epoll (struct MHD_Daemon *daemon, | |||
2295 | 2304 | ||
2296 | 2305 | ||
2297 | /** | 2306 | /** |
2298 | * Run webserver operations (without blocking unless | 2307 | * Run webserver operations (without blocking unless in client |
2299 | * in client callbacks). This method should be called | 2308 | * callbacks). This method should be called by clients in combination |
2300 | * by clients in combination with MHD_get_fdset | 2309 | * with #MHD_get_fdset if the client-controlled select method is used. |
2301 | * if the client-controlled select method is used. | ||
2302 | * | 2310 | * |
2303 | * This function will work for external 'poll' and 'select' mode. | 2311 | * This function is a convenience method, which is useful if the |
2304 | * However, if using external 'select' mode, you may want to | 2312 | * fd_sets from #MHD_get_fdset were not directly passed to `select()`; |
2305 | * instead use 'MHD_run_from_select', as it is more efficient. | 2313 | * with this function, MHD will internally do the appropriate `select()` |
2314 | * call itself again. While it is always safe to call #MHD_run (in | ||
2315 | * external select mode), you should call #MHD_run_from_select if | ||
2316 | * performance is important (as it saves an expensive call to | ||
2317 | * `select()`). | ||
2306 | * | 2318 | * |
2307 | * @return MHD_YES on success, MHD_NO if this | 2319 | * @param daemon daemon to run |
2320 | * @return #MHD_YES on success, #MHD_NO if this | ||
2308 | * daemon was not started with the right | 2321 | * daemon was not started with the right |
2309 | * options for this call. | 2322 | * options for this call. |
2323 | * @ingroup event | ||
2310 | */ | 2324 | */ |
2311 | int | 2325 | int |
2312 | MHD_run (struct MHD_Daemon *daemon) | 2326 | MHD_run (struct MHD_Daemon *daemon) |
@@ -2365,16 +2379,20 @@ MHD_select_thread (void *cls) | |||
2365 | 2379 | ||
2366 | 2380 | ||
2367 | /** | 2381 | /** |
2368 | * Start a webserver on the given port. | 2382 | * Start a webserver on the given port. Variadic version of |
2383 | * #MHD_start_daemon_va. | ||
2369 | * | 2384 | * |
2370 | * @param flags combination of MHD_FLAG values | 2385 | * @param flags combination of `enum MHD_FLAG` values |
2371 | * @param port port to bind to | 2386 | * @param port port to bind to |
2372 | * @param apc callback to call to check which clients | 2387 | * @param apc callback to call to check which clients |
2373 | * will be allowed to connect | 2388 | * will be allowed to connect; you can pass NULL |
2389 | * in which case connections from any IP will be | ||
2390 | * accepted | ||
2374 | * @param apc_cls extra argument to apc | 2391 | * @param apc_cls extra argument to apc |
2375 | * @param dh default handler for all URIs | 2392 | * @param dh handler called for all requests (repeatedly) |
2376 | * @param dh_cls extra argument to dh | 2393 | * @param dh_cls extra argument to @a dh |
2377 | * @return NULL on error, handle to daemon on success | 2394 | * @return NULL on error, handle to daemon on success |
2395 | * @ingroup event | ||
2378 | */ | 2396 | */ |
2379 | struct MHD_Daemon * | 2397 | struct MHD_Daemon * |
2380 | MHD_start_daemon (unsigned int flags, | 2398 | MHD_start_daemon (unsigned int flags, |
@@ -2399,12 +2417,18 @@ MHD_start_daemon (unsigned int flags, | |||
2399 | * connections. Note that the caller is responsible for closing the | 2417 | * connections. Note that the caller is responsible for closing the |
2400 | * returned socket; however, if MHD is run using threads (anything but | 2418 | * returned socket; however, if MHD is run using threads (anything but |
2401 | * external select mode), it must not be closed until AFTER | 2419 | * external select mode), it must not be closed until AFTER |
2402 | * "MHD_stop_daemon" has been called (as it is theoretically possible | 2420 | * #MHD_stop_daemon has been called (as it is theoretically possible |
2403 | * that an existing thread is still using it). | 2421 | * that an existing thread is still using it). |
2404 | * | 2422 | * |
2423 | * Note that some thread modes require the caller to have passed | ||
2424 | * #MHD_USE_PIPE_FOR_SHUTDOWN when using this API. If this daemon is | ||
2425 | * in one of those modes and this option was not given to | ||
2426 | * #MHD_start_daemon, this function will return -1. | ||
2427 | * | ||
2405 | * @param daemon daemon to stop accepting new connections for | 2428 | * @param daemon daemon to stop accepting new connections for |
2406 | * @return old listen socket on success, -1 if the daemon was | 2429 | * @return old listen socket on success, -1 if the daemon was |
2407 | * already not listening anymore | 2430 | * already not listening anymore |
2431 | * @ingroup specialized | ||
2408 | */ | 2432 | */ |
2409 | int | 2433 | int |
2410 | MHD_quiesce_daemon (struct MHD_Daemon *daemon) | 2434 | MHD_quiesce_daemon (struct MHD_Daemon *daemon) |
@@ -2877,20 +2901,22 @@ setup_epoll_to_listen (struct MHD_Daemon *daemon) | |||
2877 | #endif | 2901 | #endif |
2878 | 2902 | ||
2879 | 2903 | ||
2880 | |||
2881 | /** | 2904 | /** |
2882 | * Start a webserver on the given port. | 2905 | * Start a webserver on the given port. |
2883 | * | 2906 | * |
2884 | * @param flags combination of MHD_FLAG values | 2907 | * @param flags combination of `enum MHD_FLAG` values |
2885 | * @param port port to bind to | 2908 | * @param port port to bind to (in host byte order) |
2886 | * @param apc callback to call to check which clients | 2909 | * @param apc callback to call to check which clients |
2887 | * will be allowed to connect | 2910 | * will be allowed to connect; you can pass NULL |
2911 | * in which case connections from any IP will be | ||
2912 | * accepted | ||
2888 | * @param apc_cls extra argument to apc | 2913 | * @param apc_cls extra argument to apc |
2889 | * @param dh default handler for all URIs | 2914 | * @param dh handler called for all requests (repeatedly) |
2890 | * @param dh_cls extra argument to dh | 2915 | * @param dh_cls extra argument to @a dh |
2891 | * @param ap list of options (type-value pairs, | 2916 | * @param ap list of options (type-value pairs, |
2892 | * terminated with MHD_OPTION_END). | 2917 | * terminated with #MHD_OPTION_END). |
2893 | * @return NULL on error, handle to daemon on success | 2918 | * @return NULL on error, handle to daemon on success |
2919 | * @ingroup event | ||
2894 | */ | 2920 | */ |
2895 | struct MHD_Daemon * | 2921 | struct MHD_Daemon * |
2896 | MHD_start_daemon_va (unsigned int flags, | 2922 | MHD_start_daemon_va (unsigned int flags, |
@@ -3587,9 +3613,10 @@ epoll_shutdown (struct MHD_Daemon *daemon) | |||
3587 | 3613 | ||
3588 | 3614 | ||
3589 | /** | 3615 | /** |
3590 | * Shutdown an http daemon | 3616 | * Shutdown an HTTP daemon. |
3591 | * | 3617 | * |
3592 | * @param daemon daemon to stop | 3618 | * @param daemon daemon to stop |
3619 | * @ingroup event | ||
3593 | */ | 3620 | */ |
3594 | void | 3621 | void |
3595 | MHD_stop_daemon (struct MHD_Daemon *daemon) | 3622 | MHD_stop_daemon (struct MHD_Daemon *daemon) |
@@ -3722,16 +3749,18 @@ MHD_stop_daemon (struct MHD_Daemon *daemon) | |||
3722 | * (not fully implemented!). | 3749 | * (not fully implemented!). |
3723 | * | 3750 | * |
3724 | * @param daemon what daemon to get information about | 3751 | * @param daemon what daemon to get information about |
3725 | * @param infoType what information is desired? | 3752 | * @param info_type what information is desired? |
3726 | * @param ... depends on infoType | 3753 | * @param ... depends on @a info_type |
3727 | * @return NULL if this information is not available | 3754 | * @return NULL if this information is not available |
3728 | * (or if the infoType is unknown) | 3755 | * (or if the @a info_type is unknown) |
3756 | * @ingroup specialized | ||
3729 | */ | 3757 | */ |
3730 | const union MHD_DaemonInfo * | 3758 | const union MHD_DaemonInfo * |
3731 | MHD_get_daemon_info (struct MHD_Daemon *daemon, | 3759 | MHD_get_daemon_info (struct MHD_Daemon *daemon, |
3732 | enum MHD_DaemonInfoType infoType, ...) | 3760 | enum MHD_DaemonInfoType info_type, |
3761 | ...) | ||
3733 | { | 3762 | { |
3734 | switch (infoType) | 3763 | switch (info_type) |
3735 | { | 3764 | { |
3736 | case MHD_DAEMON_INFO_KEY_SIZE: | 3765 | case MHD_DAEMON_INFO_KEY_SIZE: |
3737 | return NULL; /* no longer supported */ | 3766 | return NULL; /* no longer supported */ |
@@ -3750,19 +3779,20 @@ MHD_get_daemon_info (struct MHD_Daemon *daemon, | |||
3750 | 3779 | ||
3751 | 3780 | ||
3752 | /** | 3781 | /** |
3753 | * Sets the global error handler to a different implementation. "cb" | 3782 | * Sets the global error handler to a different implementation. @a cb |
3754 | * will only be called in the case of typically fatal, serious | 3783 | * will only be called in the case of typically fatal, serious |
3755 | * internal consistency issues. These issues should only arise in the | 3784 | * internal consistency issues. These issues should only arise in the |
3756 | * case of serious memory corruption or similar problems with the | 3785 | * case of serious memory corruption or similar problems with the |
3757 | * architecture. While "cb" is allowed to return and MHD will then | 3786 | * architecture. While @a cb is allowed to return and MHD will then |
3758 | * try to continue, this is never safe. | 3787 | * try to continue, this is never safe. |
3759 | * | 3788 | * |
3760 | * The default implementation that is used if no panic function is set | 3789 | * The default implementation that is used if no panic function is set |
3761 | * simply prints an error message and calls "abort". Alternative | 3790 | * simply prints an error message and calls `abort()`. Alternative |
3762 | * implementations might call "exit" or other similar functions. | 3791 | * implementations might call `exit()` or other similar functions. |
3763 | * | 3792 | * |
3764 | * @param cb new error handler | 3793 | * @param cb new error handler |
3765 | * @param cls passed to error handler | 3794 | * @param cls passed to @a cb |
3795 | * @ingroup logging | ||
3766 | */ | 3796 | */ |
3767 | void | 3797 | void |
3768 | MHD_set_panic_func (MHD_PanicCallback cb, void *cls) | 3798 | MHD_set_panic_func (MHD_PanicCallback cb, void *cls) |
@@ -3775,7 +3805,8 @@ MHD_set_panic_func (MHD_PanicCallback cb, void *cls) | |||
3775 | /** | 3805 | /** |
3776 | * Obtain the version of this library | 3806 | * Obtain the version of this library |
3777 | * | 3807 | * |
3778 | * @return static version string, e.g. "0.4.1" | 3808 | * @return static version string, e.g. "0.9.9" |
3809 | * @ingroup specialized | ||
3779 | */ | 3810 | */ |
3780 | const char * | 3811 | const char * |
3781 | MHD_get_version (void) | 3812 | MHD_get_version (void) |