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lwIP
2.1.3
Lightweight IP stack
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#include "lwip/opt.h"#include "lwip/timeouts.h"#include "lwip/priv/tcp_priv.h"#include "lwip/def.h"#include "lwip/memp.h"#include "lwip/priv/tcpip_priv.h"#include "lwip/ip4_frag.h"#include "lwip/etharp.h"#include "lwip/dhcp.h"#include "lwip/autoip.h"#include "lwip/igmp.h"#include "lwip/dns.h"#include "lwip/nd6.h"#include "lwip/ip6_frag.h"#include "lwip/mld6.h"#include "lwip/dhcp6.h"#include "lwip/sys.h"#include "lwip/pbuf.h"Functions | |
| void | tcp_timer_needed (void) |
| void | sys_timeouts_init (void) |
| void | sys_timeout (u32_t msecs, sys_timeout_handler handler, void *arg) |
| void | sys_untimeout (sys_timeout_handler handler, void *arg) |
| void | sys_check_timeouts (void) |
| void | sys_restart_timeouts (void) |
| u32_t | sys_timeouts_sleeptime (void) |
Variables | |
| const struct lwip_cyclic_timer | lwip_cyclic_timers [] |
| const int | lwip_num_cyclic_timers = (sizeof( lwip_cyclic_timers )/sizeof(( lwip_cyclic_timers )[0])) |
Stack-internal timers implementation. This file includes timer callbacks for stack-internal timers as well as functions to set up or stop timers and check for expired timers.
| void sys_restart_timeouts | ( | void | ) |
Rebase the timeout times to the current time. This is necessary if sys_check_timeouts() hasn't been called for a long time (e.g. while saving energy) to prevent all timer functions of that period being called.
| void sys_timeout | ( | u32_t | msecs, |
| sys_timeout_handler | handler, | ||
| void * | arg | ||
| ) |
Create a one-shot timer (aka timeout). Timeouts are processed in the following cases:
| msecs | time in milliseconds after that the timer should expire |
| handler | callback function to call when msecs have elapsed |
| arg | argument to pass to the callback function |
| void sys_timeouts_init | ( | void | ) |
Initialize this module
| u32_t sys_timeouts_sleeptime | ( | void | ) |
Return the time left before the next timeout is due. If no timeouts are enqueued, returns 0xffffffff
| void sys_untimeout | ( | sys_timeout_handler | handler, |
| void * | arg | ||
| ) |
Go through timeout list (for this task only) and remove the first matching entry (subsequent entries remain untouched), even though the timeout has not triggered yet.
| handler | callback function that would be called by the timeout |
| arg | callback argument that would be passed to handler |
| void tcp_timer_needed | ( | void | ) |
Called from TCP_REG when registering a new PCB: the reason is to have the TCP timer only running when there are active (or time-wait) PCBs.
| const struct lwip_cyclic_timer lwip_cyclic_timers[] |
This array contains all stack-internal cyclic timers. To get the number of timers, use LWIP_ARRAYSIZE()
| const int lwip_num_cyclic_timers = (sizeof( lwip_cyclic_timers )/sizeof(( lwip_cyclic_timers )[0])) |
Array size of lwip_cyclic_timers[]