diff options
37 files changed, 430 insertions, 170 deletions
diff --git a/doc/man/CMakeLists.txt b/doc/man/CMakeLists.txt index eadd385e..280252ed 100644 --- a/doc/man/CMakeLists.txt +++ b/doc/man/CMakeLists.txt @@ -7,6 +7,18 @@ set(MAN_NAMES flow_dealloc.3 flow_read.3 flow_write.3 + fqueue.3 + fqueue_create.3 + fqueue_destroy.3 + fqueue_next.3 + fevent.3 + fset.3 + fset_create.3 + fset_destroy.3 + fset_zero.3 + fset_add.3 + fset_del.3 + fset_has.3 ) macro(INSTALL_MAN __mans) diff --git a/doc/man/fevent.3 b/doc/man/fevent.3 new file mode 100644 index 00000000..0e1f5f07 --- /dev/null +++ b/doc/man/fevent.3 @@ -0,0 +1 @@ +.so fqueue.3 diff --git a/doc/man/flow_alloc.3 b/doc/man/flow_alloc.3 index dd0fe7ea..662c46ec 100644 --- a/doc/man/flow_alloc.3 +++ b/doc/man/flow_alloc.3 @@ -31,7 +31,7 @@ to support Inter-Process Communication (IPC). Such a collection of allocated system and network resources is referred to as a flow. A flow has a certain Quality of Service (QoS) associated with it. -The \fB flow_accept\fR() function blocks the calling thread waiting +The \fBflow_accept\fR() function blocks the calling thread waiting for an incoming request to allocate a flow. If \fBqosspec_t * \fIqs\fR is not NULL, the value of \fIqs\fR will be updated to reflect the actual QoS provided by the IPC facility for the accepted flow. Which diff --git a/doc/man/fqueue.3 b/doc/man/fqueue.3 new file mode 100644 index 00000000..611d54c7 --- /dev/null +++ b/doc/man/fqueue.3 @@ -0,0 +1,104 @@ +.\" Ouroboros man pages (C) 2017 +.\" Dimitri Staessens <dimitri.staessens@ugent.be> +.\" Sander Vrijders <sander.vrijders@ugent.be> + +.TH FQUEUE 3 2017-08-29 GNU "Ouroboros Programmer's Manual" + +.SH NAME + +fqueue_create, fqueue_destroy, fqueue_next, fevent \- I/O multiplexing +on flows + +.SH SYNOPSIS + +.B #include <ouroboros/fqueue.h> + +\fBfqueue_t * fqueue_create(void);\fR + +\fBvoid fqueue_destroy(fqueue_t * \fIfq\fB); + +\fBint fqueue_next(fqueue_t * \fIfq\fB); + +\fBint fevent(fset_t * \fIset\fB, fqueue_t * \fIfq\fB, +const struct timespec * \fItimeo\fB); + +Compile and link with \fI-louroboros\fR. + +.SH DESCRIPTION + +These calls are used to + +The \fBfqueue_create\fR() function creates an fqueue_t structure which +is an event queue that stores events that occured within a certain +\fBfset_t\fR. + +The \fBfqueue_destroy\fR() function frees any resources associated with +an \fBfqueue_t\fR \fIfq\fR. + +The \fBfqueue_next\fR() function retrieves the next event (a \fIflow +descriptor\fR) that is ready within the event queue \fIfq\fR. + +The \fBfevent\fR() function retrieves all events that occured on any +\fIflow descriptor\fR within \fIset\fR and returns them in the event +queue \fBfq\fR. If a \fBstruct timespec *\fI timeo\fR can be provided, +it will return either with new events or when \fItimeo\fR has expired. +If \fItimeo\fR is NULL, the call will block indefinitely until an +event occurs. + +.SH RETURN VALUE + +On success, \fBfqueue_create\fR() returns a pointer to an +\fBfqueue_t\fR. + +\fBfqueue_destroy\fR() has no return value. + +On success, \fBfevent\fR() returns the number of events that occured in \fIset\fR. + +.SH ERRORS + +\fBfqueue_create\fR() returns NULL when insufficient resources +were available to create the \fBfqueue_t\fR. + +\fBfqueue_next\fR() and \fBfevent\fR() can return + +.B -EINVAL +An invalid argument was passed (\fIfq\fR or \fIset\fR was \fINULL\fR). + +In addition, \fBfqueue_next\fR() can return + +.B -EPERM +No more fds available in \fIfq\fR. + +and \fBfevent\fR() can return + +.B -ETIMEDOUT +the interval set int \fItimeo\tR expired before any event in \fIset\fR +occured. + +.SH ATTRIBUTES + +For an explanation of the terms used in this section, see \fBattributes\fR(7). + +.TS +box, tab(&); +LB|LB|LB +L|L|L. +Interface & Attribute & Value +_ +\fBfqueue_create\fR() & Thread safety & MT-Safe +_ +\fBfqueue_destroy\fR() & Thread safety & MT-Safe +_ +\fBfqueue_next\fR() & Thread safety & MT-Safe +_ +\fBfevent\fR() & Thread safety & MT-Safe +.TE + +.SH SEE ALSO + +.BR fset_create "(3), " fset_destroy "(3), " \ +fset_add "(3), " fset_del "(3), " fset_has "(3), " fset_zero (3) + +.SH COLOPHON +This page is part of the Ouroboros project, found at +https://bitbucket.org/ouroboros-rina/ouroboros diff --git a/doc/man/fqueue_create.3 b/doc/man/fqueue_create.3 new file mode 100644 index 00000000..0e1f5f07 --- /dev/null +++ b/doc/man/fqueue_create.3 @@ -0,0 +1 @@ +.so fqueue.3 diff --git a/doc/man/fqueue_destroy.3 b/doc/man/fqueue_destroy.3 new file mode 100644 index 00000000..0e1f5f07 --- /dev/null +++ b/doc/man/fqueue_destroy.3 @@ -0,0 +1 @@ +.so fqueue.3 diff --git a/doc/man/fqueue_next.3 b/doc/man/fqueue_next.3 new file mode 100644 index 00000000..0e1f5f07 --- /dev/null +++ b/doc/man/fqueue_next.3 @@ -0,0 +1 @@ +.so fqueue.3 diff --git a/doc/man/fset.3 b/doc/man/fset.3 new file mode 100644 index 00000000..b4f3a1b0 --- /dev/null +++ b/doc/man/fset.3 @@ -0,0 +1,107 @@ +.\" Ouroboros man pages (C) 2017 +.\" Dimitri Staessens <dimitri.staessens@ugent.be> +.\" Sander Vrijders <sander.vrijders@ugent.be> + +.TH FSET 3 2017-04-10 GNU "Ouroboros Programmer's Manual" + +.SH NAME + +fset_create, fset_destroy, fset_zero, fset_add, fset_del, fset_has \- +manipulation of a set of flow descriptors + +.SH SYNOPSIS + +.B #include <ouroboros/fqueue.h> + +\fBfset_t * fset_create(void); + +\fBvoid fset_destroy(fset_t * \fIset\fB); + +\fBvoid fset_zero(fset_t * \fIset\fB); + +\fBint fset_add(fset_t * \fIset\fB, int \fIfd\fB); + +\fBint fset_del(fset_t * \fIset\fB, int \fIfd\fB); + +\fBbool fset_has(fset_t * \fIset\fB, int \fIfd\fB); + +Compile and link with \fI-louroboros\fR. + +.SH DESCRIPTION + +These calls are used to manage a set of \fIflow descriptors\fR. + +The \fBfset_create\fR() function creates and fset_t struct which holds +a set of flow descriptors. + +The \fBfset_destroy\fR() function frees any resources associated with +an \fBfset_t \fIset\fR. + +The \fBset_zero\fR() function removes all flow descriptors from an +\fBfset_t \fIset\fR. + +The \fBset_add\fR() function adds a flow descriptor \fIfd\fR to the +\fBfset_t \fIset\fR. A flow descriptor can be in at most one fset at a +time. + +The \fBfset_del\fR() function removes a flow descriptor \fIfd\fR from +the \fBfset_t \fIset\fR. \fBfset_del\fR() ignores invalid input. + +The \fBfset_has\fR() function checks whether a flow descriptor \fIfd\fR is +an element of the \fBfset_t \fIset\fR. + +.SH RETURN VALUE + +On success, \fBfset_create\fR() returns a pointer to an \fBfset_t\fB. + +\fBfset_destroy\fR(), \fBset_zero\fR() and \fBfset_del\fR() have no return value. + +\fBfset_add\fR() returns 0 on success or an error code. + +\fBfset_has\fR() returns true when \fIfd\fR is in the set, false if it +is not or on invalid input. + +.SH ERRORS + +\fBfset_create\fR() returns NULL when insufficient resources +were available to create the \fBfset_t\fR. + +\fBfset_add\fR() can return the following errors: + +.B -EINVAL +An invalid argument was passed (\fIset\fR was NULL or \fIfd\fR was +invalid). + +.B -EPERM +The passed flow descriptor \fIfd\fR was already in another \fBfset_t\fR. + +.SH ATTRIBUTES + +For an explanation of the terms used in this section, see \fBattributes\fR(7). + +.TS +box, tab(&); +LB|LB|LB +L|L|L. +Interface & Attribute & Value +_ +\fBfset_create\fR() & Thread safety & MT-Safe +_ +\fBfset_destroy\fR() & Thread safety & MT-Safe +_ +\fBfset_zero\fR() & Thread safety & MT-Safe +_ +\fBfset_add\fR() & Thread safety & MT-Safe +_ +\fBfset_del\fR() & Thread safety & MT-Safe +_ +\fBfset_has\fR() & Thread safety & MT-Safe +.TE + +.SH SEE ALSO + +.BR fqueue "(3), " fevent (3) + +.SH COLOPHON +This page is part of the Ouroboros project, found at +https://bitbucket.org/ouroboros-rina/ouroboros diff --git a/doc/man/fset_add.3 b/doc/man/fset_add.3 new file mode 100644 index 00000000..9fe22cd3 --- /dev/null +++ b/doc/man/fset_add.3 @@ -0,0 +1 @@ +.so fset.3 diff --git a/doc/man/fset_create.3 b/doc/man/fset_create.3 new file mode 100644 index 00000000..9fe22cd3 --- /dev/null +++ b/doc/man/fset_create.3 @@ -0,0 +1 @@ +.so fset.3 diff --git a/doc/man/fset_del.3 b/doc/man/fset_del.3 new file mode 100644 index 00000000..9fe22cd3 --- /dev/null +++ b/doc/man/fset_del.3 @@ -0,0 +1 @@ +.so fset.3 diff --git a/doc/man/fset_destroy.3 b/doc/man/fset_destroy.3 new file mode 100644 index 00000000..9fe22cd3 --- /dev/null +++ b/doc/man/fset_destroy.3 @@ -0,0 +1 @@ +.so fset.3 diff --git a/doc/man/fset_has.3 b/doc/man/fset_has.3 new file mode 100644 index 00000000..9fe22cd3 --- /dev/null +++ b/doc/man/fset_has.3 @@ -0,0 +1 @@ +.so fset.3 diff --git a/doc/man/fset_zero.3 b/doc/man/fset_zero.3 new file mode 100644 index 00000000..9fe22cd3 --- /dev/null +++ b/doc/man/fset_zero.3 @@ -0,0 +1 @@ +.so fset.3 diff --git a/include/ouroboros/fqueue.h b/include/ouroboros/fqueue.h index 716d0216..48b5266e 100644 --- a/include/ouroboros/fqueue.h +++ b/include/ouroboros/fqueue.h @@ -32,35 +32,35 @@ struct flow_set; struct fqueue; -typedef struct flow_set flow_set_t; +typedef struct flow_set fset_t; typedef struct fqueue fqueue_t; __BEGIN_DECLS -flow_set_t * flow_set_create(void); +fset_t * fset_create(void); -void flow_set_destroy(flow_set_t * set); +void fset_destroy(fset_t * set); -fqueue_t * fqueue_create(void); +fqueue_t * fqueue_create(void); -void fqueue_destroy(struct fqueue * fq); +void fqueue_destroy(struct fqueue * fq); -void flow_set_zero(flow_set_t * set); +void fset_zero(fset_t * set); -int flow_set_add(flow_set_t * set, - int fd); +int fset_add(fset_t * set, + int fd); -bool flow_set_has(const flow_set_t * set, - int fd); +bool fset_has(const fset_t * set, + int fd); -void flow_set_del(flow_set_t * set, - int fd); +void fset_del(fset_t * set, + int fd); -int fqueue_next(fqueue_t * fq); +int fqueue_next(fqueue_t * fq); -int flow_event_wait(flow_set_t * set, - fqueue_t * fq, - const struct timespec * timeout); +int fevent(fset_t * set, + fqueue_t * fq, + const struct timespec * timeo); __END_DECLS diff --git a/src/ipcpd/local/main.c b/src/ipcpd/local/main.c index c6f88d78..aab82d25 100644 --- a/src/ipcpd/local/main.c +++ b/src/ipcpd/local/main.c @@ -51,7 +51,7 @@ struct { struct shim_data * shim_data; int in_out[SYS_MAX_FLOWS]; - flow_set_t * flows; + fset_t * flows; fqueue_t * fq; pthread_rwlock_t lock; @@ -64,20 +64,20 @@ static int local_data_init(void) for (i = 0; i < SYS_MAX_FLOWS; ++i) local_data.in_out[i] = -1; - local_data.flows = flow_set_create(); + local_data.flows = fset_create(); if (local_data.flows == NULL) return -ENFILE; local_data.fq = fqueue_create(); if (local_data.fq == NULL) { - flow_set_destroy(local_data.flows); + fset_destroy(local_data.flows); return -ENOMEM; } local_data.shim_data = shim_data_create(); if (local_data.shim_data == NULL) { fqueue_destroy(local_data.fq); - flow_set_destroy(local_data.flows); + fset_destroy(local_data.flows); return -ENOMEM; } @@ -88,7 +88,7 @@ static int local_data_init(void) static void local_data_fini(void){ shim_data_destroy(local_data.shim_data); - flow_set_destroy(local_data.flows); + fset_destroy(local_data.flows); fqueue_destroy(local_data.fq); pthread_rwlock_destroy(&local_data.lock); } @@ -106,7 +106,7 @@ static void * ipcp_local_sdu_loop(void * o) if (ipcp_get_state() != IPCP_OPERATIONAL) return (void *) 1; /* -ENOTENROLLED */ - flow_event_wait(local_data.flows, local_data.fq, &timeout); + fevent(local_data.flows, local_data.fq, &timeout); while ((fd = fqueue_next(local_data.fq)) >= 0) { pthread_rwlock_rdlock(&local_data.lock); @@ -236,7 +236,7 @@ static int ipcp_local_flow_alloc(int fd, pthread_mutex_unlock(&ipcpi.alloc_lock); - flow_set_add(local_data.flows, fd); + fset_add(local_data.flows, fd); log_info("Pending local allocation request on fd %d.", fd); @@ -290,7 +290,7 @@ static int ipcp_local_flow_alloc_resp(int fd, pthread_rwlock_unlock(&local_data.lock); - flow_set_add(local_data.flows, fd); + fset_add(local_data.flows, fd); if ((ret = ipcp_flow_alloc_reply(out_fd, response)) < 0) return -1; @@ -308,7 +308,7 @@ static int ipcp_local_flow_dealloc(int fd) pthread_rwlock_wrlock(&local_data.lock); - flow_set_del(local_data.flows, fd); + fset_del(local_data.flows, fd); local_data.in_out[fd] = -1; diff --git a/src/ipcpd/normal/dht.c b/src/ipcpd/normal/dht.c index b5bac913..a1d21ad7 100644 --- a/src/ipcpd/normal/dht.c +++ b/src/ipcpd/normal/dht.c @@ -837,6 +837,24 @@ static void lookup_new_addrs(struct lookup * lu, pthread_mutex_unlock(&lu->lock); } +static void lookup_set_state(struct lookup * lu, + enum lookup_state state) +{ + pthread_mutex_lock(&lu->lock); + + lu->state = state; + pthread_cond_signal(&lu->cond); + + pthread_mutex_unlock(&lu->lock); +} + +static void cleanup_wait(void * o) +{ + struct lookup * lu = (struct lookup *) o; + lookup_set_state(lu, LU_NULL); + lookup_destroy(lu); +} + static enum lookup_state lookup_wait(struct lookup * lu) { struct timespec timeo = {KAD_T_RESP, 0}; @@ -853,7 +871,7 @@ static enum lookup_state lookup_wait(struct lookup * lu) lu->state = LU_PENDING; pthread_cond_signal(&lu->cond); - pthread_cleanup_push((void (*)(void *)) lookup_destroy, (void *) lu); + pthread_cleanup_push(cleanup_wait, lu); while (lu->state == LU_PENDING && ret != -ETIMEDOUT) ret = -pthread_cond_timedwait(&lu->cond, &lu->lock, &abs); @@ -861,9 +879,9 @@ static enum lookup_state lookup_wait(struct lookup * lu) pthread_cleanup_pop(false); if (ret == -ETIMEDOUT) - state = LU_COMPLETE; - else - state = lu->state; + lu->state = LU_COMPLETE; + + state = lu->state; pthread_mutex_unlock(&lu->lock); @@ -1501,17 +1519,6 @@ static ssize_t kad_find(struct dht * dht, return sent; } -static void lookup_set_state(struct lookup * lu, - enum lookup_state state) -{ - pthread_mutex_lock(&lu->lock); - - lu->state = state; - pthread_cond_signal(&lu->cond); - - pthread_mutex_unlock(&lu->lock); -} - static struct lookup * kad_lookup(struct dht * dht, const uint8_t * id, enum kad_code code) @@ -1540,7 +1547,6 @@ static struct lookup * kad_lookup(struct dht * dht, pthread_rwlock_wrlock(&dht->lock); list_del(&lu->next); pthread_rwlock_unlock(&dht->lock); - lu->state = LU_COMPLETE; return lu; } @@ -1554,6 +1560,7 @@ static struct lookup * kad_lookup(struct dht * dht, pthread_rwlock_wrlock(&dht->lock); list_del(&lu->next); pthread_rwlock_unlock(&dht->lock); + lookup_set_state(lu, LU_COMPLETE); return lu; } diff --git a/src/ipcpd/normal/flow_alloc.proto b/src/ipcpd/normal/flow_alloc.proto index eb078674..03a69fe0 100644 --- a/src/ipcpd/normal/flow_alloc.proto +++ b/src/ipcpd/normal/flow_alloc.proto @@ -3,8 +3,8 @@ * * Flow allocation message * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as diff --git a/src/ipcpd/normal/kademlia.proto b/src/ipcpd/normal/kademlia.proto index 2e2aec93..70f906a8 100644 --- a/src/ipcpd/normal/kademlia.proto +++ b/src/ipcpd/normal/kademlia.proto @@ -3,8 +3,8 @@ * * KAD protocol * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License diff --git a/src/ipcpd/normal/pol/fso.proto b/src/ipcpd/normal/pol/fso.proto index 761d1f23..27a78efd 100644 --- a/src/ipcpd/normal/pol/fso.proto +++ b/src/ipcpd/normal/pol/fso.proto @@ -3,8 +3,8 @@ * * Flow State Object message * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as diff --git a/src/ipcpd/normal/sdu_sched.c b/src/ipcpd/normal/sdu_sched.c index 10b0f02f..c7e799e2 100644 --- a/src/ipcpd/normal/sdu_sched.c +++ b/src/ipcpd/normal/sdu_sched.c @@ -38,9 +38,9 @@ #define FD_UPDATE_TIMEOUT 10000 /* nanoseconds */ struct sdu_sched { - flow_set_t * set[QOS_CUBE_MAX]; - next_sdu_t callback; - pthread_t sdu_readers[IPCP_SCHED_THREADS]; + fset_t * set[QOS_CUBE_MAX]; + next_sdu_t callback; + pthread_t sdu_readers[IPCP_SCHED_THREADS]; }; static void cleanup_reader(void * o) @@ -80,7 +80,7 @@ static void * sdu_reader(void * o) /* FIXME: replace with scheduling policy call */ i = (i + 1) % QOS_CUBE_MAX; - ret = flow_event_wait(sched->set[i], fqs[i], &timeout); + ret = fevent(sched->set[i], fqs[i], &timeout); if (ret == -ETIMEDOUT) continue; @@ -122,10 +122,10 @@ struct sdu_sched * sdu_sched_create(next_sdu_t callback) sdu_sched->callback = callback; for (i = 0; i < QOS_CUBE_MAX; ++i) { - sdu_sched->set[i] = flow_set_create(); + sdu_sched->set[i] = fset_create(); if (sdu_sched->set[i] == NULL) { for (j = 0; j < i; ++j) - flow_set_destroy(sdu_sched->set[j]); + fset_destroy(sdu_sched->set[j]); goto fail_flow_set; } } @@ -162,7 +162,7 @@ void sdu_sched_destroy(struct sdu_sched * sdu_sched) } for (i = 0; i < QOS_CUBE_MAX; ++i) - flow_set_destroy(sdu_sched->set[i]); + fset_destroy(sdu_sched->set[i]); free(sdu_sched); } @@ -175,7 +175,7 @@ void sdu_sched_add(struct sdu_sched * sdu_sched, assert(sdu_sched); ipcp_flow_get_qoscube(fd, &qc); - flow_set_add(sdu_sched->set[qc], fd); + fset_add(sdu_sched->set[qc], fd); } void sdu_sched_del(struct sdu_sched * sdu_sched, @@ -186,5 +186,5 @@ void sdu_sched_del(struct sdu_sched * sdu_sched, assert(sdu_sched); ipcp_flow_get_qoscube(fd, &qc); - flow_set_del(sdu_sched->set[qc], fd); + fset_del(sdu_sched->set[qc], fd); } diff --git a/src/ipcpd/shim-eth-llc/main.c b/src/ipcpd/shim-eth-llc/main.c index b8e987ba..292ecbe7 100644 --- a/src/ipcpd/shim-eth-llc/main.c +++ b/src/ipcpd/shim-eth-llc/main.c @@ -143,7 +143,7 @@ struct { #endif /* HAVE_NETMAP */ struct bmp * saps; - flow_set_t * np1_flows; + fset_t * np1_flows; fqueue_t * fq; int * ef_to_fd; struct ef * fd_to_ef; @@ -180,7 +180,7 @@ static int eth_llc_data_init(void) if (eth_llc_data.saps == NULL) goto fail_saps; - eth_llc_data.np1_flows = flow_set_create(); + eth_llc_data.np1_flows = fset_create(); if (eth_llc_data.np1_flows == NULL) goto fail_np1_flows; @@ -236,7 +236,7 @@ static int eth_llc_data_init(void) fail_shim_data: fqueue_destroy(eth_llc_data.fq); fail_fq: - flow_set_destroy(eth_llc_data.np1_flows); + fset_destroy(eth_llc_data.np1_flows); fail_np1_flows: bmp_destroy(eth_llc_data.saps); fail_saps: @@ -261,7 +261,7 @@ void eth_llc_data_fini(void) pthread_rwlock_destroy(ð_llc_data.flows_lock); shim_data_destroy(eth_llc_data.shim_data); fqueue_destroy(eth_llc_data.fq); - flow_set_destroy(eth_llc_data.np1_flows); + fset_destroy(eth_llc_data.np1_flows); bmp_destroy(eth_llc_data.saps); free(eth_llc_data.fd_to_ef); free(eth_llc_data.ef_to_fd); @@ -740,10 +740,7 @@ static void * eth_llc_ipcp_sdu_writer(void * o) (void) o; - while (flow_event_wait(eth_llc_data.np1_flows, - eth_llc_data.fq, - &timeout)) { - + while (fevent(eth_llc_data.np1_flows, eth_llc_data.fq, &timeout)) { if (ipcp_get_state() != IPCP_OPERATIONAL) return (void *) 0; @@ -1102,7 +1099,7 @@ static int eth_llc_ipcp_flow_alloc(int fd, return -1; } - flow_set_add(eth_llc_data.np1_flows, fd); + fset_add(eth_llc_data.np1_flows, fd); log_dbg("Pending flow with fd %d on SAP %d.", fd, ssap); @@ -1161,7 +1158,7 @@ static int eth_llc_ipcp_flow_alloc_resp(int fd, return -1; } - flow_set_add(eth_llc_data.np1_flows, fd); + fset_add(eth_llc_data.np1_flows, fd); log_dbg("Accepted flow, fd %d, SAP %d.", fd, (uint8_t)ssap); @@ -1177,7 +1174,7 @@ static int eth_llc_ipcp_flow_dealloc(int fd) pthread_rwlock_wrlock(ð_llc_data.flows_lock); - flow_set_del(eth_llc_data.np1_flows, fd); + fset_del(eth_llc_data.np1_flows, fd); sap = eth_llc_data.fd_to_ef[fd].sap; memcpy(addr, eth_llc_data.fd_to_ef[fd].r_addr, MAC_SIZE); diff --git a/src/ipcpd/shim-eth-llc/shim_eth_llc_messages.proto b/src/ipcpd/shim-eth-llc/shim_eth_llc_messages.proto index f54bcada..bad3f470 100644 --- a/src/ipcpd/shim-eth-llc/shim_eth_llc_messages.proto +++ b/src/ipcpd/shim-eth-llc/shim_eth_llc_messages.proto @@ -3,8 +3,8 @@ * * Shim Ethernet with LLC message * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as diff --git a/src/ipcpd/shim-udp/main.c b/src/ipcpd/shim-udp/main.c index b6f516bd..a94472b2 100644 --- a/src/ipcpd/shim-udp/main.c +++ b/src/ipcpd/shim-udp/main.c @@ -79,7 +79,7 @@ struct { struct sockaddr_in s_saddr; int s_fd; - flow_set_t * np1_flows; + fset_t * np1_flows; fqueue_t * fq; fd_set flow_fd_s; /* bidir mappings of (n - 1) file descriptor to (n) flow descriptor */ @@ -110,20 +110,20 @@ static int udp_data_init(void) FD_ZERO(&udp_data.flow_fd_s); - udp_data.np1_flows = flow_set_create(); + udp_data.np1_flows = fset_create(); if (udp_data.np1_flows == NULL) return -ENOMEM; udp_data.fq = fqueue_create(); if (udp_data.fq == NULL) { - flow_set_destroy(udp_data.np1_flows); + fset_destroy(udp_data.np1_flows); return -ENOMEM; } udp_data.shim_data = shim_data_create(); if (udp_data.shim_data == NULL) { fqueue_destroy(udp_data.fq); - flow_set_destroy(udp_data.np1_flows); + fset_destroy(udp_data.np1_flows); return -ENOMEM; } @@ -136,7 +136,7 @@ static int udp_data_init(void) static void udp_data_fini(void) { - flow_set_destroy(udp_data.np1_flows); + fset_destroy(udp_data.np1_flows); fqueue_destroy(udp_data.fq); shim_data_destroy(udp_data.shim_data); @@ -518,7 +518,7 @@ static void * ipcp_udp_sdu_loop(void * o) (void) o; while (ipcp_get_state() == IPCP_OPERATIONAL) { - flow_event_wait(udp_data.np1_flows, udp_data.fq, &timeout); + fevent(udp_data.np1_flows, udp_data.fq, &timeout); while ((fd = fqueue_next(udp_data.fq)) >= 0) { if (ipcp_flow_read(fd, &sdb)) { log_err("Bad read from fd %d.", fd); @@ -962,7 +962,7 @@ static int ipcp_udp_flow_alloc(int fd, udp_data.fd_to_uf[fd].skfd = skfd; udp_data.uf_to_fd[skfd] = fd; - flow_set_add(udp_data.np1_flows, fd); + fset_add(udp_data.np1_flows, fd); pthread_rwlock_unlock(&udp_data.flows_lock); @@ -1038,7 +1038,7 @@ static int ipcp_udp_flow_alloc_resp(int fd, set_fd(skfd); - flow_set_add(udp_data.np1_flows, fd); + fset_add(udp_data.np1_flows, fd); pthread_rwlock_unlock(&udp_data.flows_lock); @@ -1064,7 +1064,7 @@ static int ipcp_udp_flow_dealloc(int fd) pthread_rwlock_wrlock(&udp_data.flows_lock); - flow_set_del(udp_data.np1_flows, fd); + fset_del(udp_data.np1_flows, fd); skfd = udp_data.fd_to_uf[fd].skfd; diff --git a/src/ipcpd/shim-udp/shim_udp_messages.proto b/src/ipcpd/shim-udp/shim_udp_messages.proto index ccd87053..377a8a91 100644 --- a/src/ipcpd/shim-udp/shim_udp_messages.proto +++ b/src/ipcpd/shim-udp/shim_udp_messages.proto @@ -3,8 +3,8 @@ * * Shim UDP message * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as diff --git a/src/irmd/main.c b/src/irmd/main.c index 09a76214..1d62de85 100644 --- a/src/irmd/main.c +++ b/src/irmd/main.c @@ -922,6 +922,8 @@ static int name_reg(const char * name, for (i = 0; i < len; ++i) { uint8_t * hash; + pid_t api; + size_t len; if (wildcard_match(difs[i], e->dif_name)) continue; @@ -932,23 +934,33 @@ static int name_reg(const char * name, str_hash(e->dir_hash_algo, hash, name); - if (ipcp_reg(e->api, hash, IPCP_HASH_LEN(e))) { + api = e->api; + len = IPCP_HASH_LEN(e); + + pthread_rwlock_unlock(&irmd.reg_lock); + + if (ipcp_reg(api, hash, len)) { log_err("Could not register " HASH_FMT - " in DIF %s (IPCP %d).", - HASH_VAL(hash), e->dif_name, e->api); - } else { - if (registry_add_name_to_dif(&irmd.registry, - name, - e->dif_name, - e->type) < 0) - log_warn("Registered unbound name %s. " - "Registry may be corrupt.", - name); - log_info("Registered %s in %s as " HASH_FMT ".", - name, e->dif_name, HASH_VAL(hash)); - ++ret; + " with IPCP %d.", + HASH_VAL(hash), api); + pthread_rwlock_wrlock(&irmd.reg_lock); + free(hash); + break; } + pthread_rwlock_wrlock(&irmd.reg_lock); + + if (registry_add_name_to_dif(&irmd.registry, + name, + e->dif_name, + e->type) < 0) + log_warn("Registered unbound name %s. " + "Registry may be corrupt.", + name); + log_info("Registered %s in %s as " HASH_FMT ".", + name, e->dif_name, HASH_VAL(hash)); + ++ret; + free(hash); } } @@ -982,6 +994,8 @@ static int name_unreg(const char * name, for (i = 0; i < len; ++i) { uint8_t * hash; + pid_t api; + size_t len; if (wildcard_match(difs[i], e->dif_name)) continue; @@ -992,18 +1006,28 @@ static int name_unreg(const char * name, str_hash(e->dir_hash_algo, hash, name); - if (ipcp_unreg(e->api, hash, IPCP_HASH_LEN(e))) { - log_err("Could not unregister %s in DIF %s.", - name, e->dif_name); - } else { - registry_del_name_from_dif(&irmd.registry, - name, - e->dif_name); - log_info("Unregistered %s from %s.", - name, e->dif_name); - ++ret; + api = e->api; + len = IPCP_HASH_LEN(e); + + pthread_rwlock_unlock(&irmd.reg_lock); + + if (ipcp_unreg(api, hash, len)) { + log_err("Could not unregister %s with IPCP %d.", + name, api); + pthread_rwlock_wrlock(&irmd.reg_lock); + free(hash); + break; } + pthread_rwlock_wrlock(&irmd.reg_lock); + + registry_del_name_from_dif(&irmd.registry, + name, + e->dif_name); + log_info("Unregistered %s from %s.", + name, e->dif_name); + ++ret; + free(hash); } } diff --git a/src/lib/cdap.c b/src/lib/cdap.c index 5ed86ad1..7d2feae3 100644 --- a/src/lib/cdap.c +++ b/src/lib/cdap.c @@ -52,7 +52,7 @@ struct fd_el { }; struct cdap { - flow_set_t * set; + fset_t * set; fqueue_t * fq; bool proc; @@ -304,7 +304,7 @@ static void * sdu_reader(void * o) ssize_t len; buffer_t data; - while (flow_event_wait(instance->set, instance->fq, NULL)) { + while (fevent(instance->set, instance->fq, NULL)) { int fd; set_proc(instance, true); fd = fqueue_next(instance->fq); @@ -440,7 +440,7 @@ struct cdap * cdap_create() if (instance->ids == NULL) goto fail_bmp_create; - instance->set = flow_set_create(); + instance->set = fset_create(); if (instance->set == NULL) goto fail_set_create; @@ -463,7 +463,7 @@ struct cdap * cdap_create() fail_pthread_create: fqueue_destroy(instance->fq); fail_fqueue_create: - flow_set_destroy(instance->set); + fset_destroy(instance->set); fail_set_create: bmp_destroy(instance->ids); fail_bmp_create: @@ -499,7 +499,7 @@ int cdap_destroy(struct cdap * instance) fqueue_destroy(instance->fq); - flow_set_destroy(instance->set); + fset_destroy(instance->set); pthread_cond_destroy(&instance->cond); pthread_mutex_destroy(&instance->mtx); @@ -553,7 +553,7 @@ int cdap_add_flow(struct cdap * instance, pthread_rwlock_wrlock(&instance->flows_lock); - if (flow_set_add(instance->set, fd)) { + if (fset_add(instance->set, fd)) { pthread_rwlock_unlock(&instance->flows_lock); free(e); return -1; @@ -579,7 +579,7 @@ int cdap_del_flow(struct cdap * instance, pthread_rwlock_wrlock(&instance->flows_lock); - flow_set_del(instance->set, fd); + fset_del(instance->set, fd); list_for_each_safe(p, h, &instance->flows) { struct fd_el * e = list_entry(p, struct fd_el, next); diff --git a/src/lib/cdap.proto b/src/lib/cdap.proto index c83addcb..29effc9a 100644 --- a/src/lib/cdap.proto +++ b/src/lib/cdap.proto @@ -3,8 +3,8 @@ * * CDAP message * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License diff --git a/src/lib/dev.c b/src/lib/dev.c index cfcfdf81..d5044fb3 100644 --- a/src/lib/dev.c +++ b/src/lib/dev.c @@ -926,7 +926,7 @@ int flow_get_timeout(int fd, { int ret = 0; - if (fd < 0 || fd >= AP_MAX_FLOWS || timeo == NULL) + if (fd < 0 || fd > AP_MAX_FLOWS || timeo == NULL) return -EINVAL; pthread_rwlock_wrlock(&ai.lock); @@ -949,7 +949,7 @@ int flow_get_timeout(int fd, int flow_set_timeout(int fd, const struct timespec * timeo) { - if (fd < 0 || fd >= AP_MAX_FLOWS) + if (fd < 0 || fd > AP_MAX_FLOWS) return -EINVAL; pthread_rwlock_wrlock(&ai.lock); @@ -974,7 +974,7 @@ int flow_set_timeout(int fd, int flow_get_qosspec(int fd, qosspec_t * qs) { - if (fd < 0 || fd >= AP_MAX_FLOWS || qs == NULL) + if (fd < 0 || fd > AP_MAX_FLOWS || qs == NULL) return -EINVAL; pthread_rwlock_wrlock(&ai.lock); @@ -1000,7 +1000,7 @@ ssize_t flow_write(int fd, if (buf == NULL) return 0; - if (fd < 0 || fd >= AP_MAX_FLOWS) + if (fd < 0 || fd > AP_MAX_FLOWS) return -EBADF; pthread_rwlock_rdlock(&ai.lock); @@ -1067,7 +1067,7 @@ ssize_t flow_read(int fd, uint8_t * sdu; bool used; - if (fd < 0 || fd >= AP_MAX_FLOWS) + if (fd < 0 || fd > AP_MAX_FLOWS) return -EBADF; pthread_rwlock_rdlock(&ai.lock); @@ -1104,7 +1104,7 @@ ssize_t flow_read(int fd, /* fqueue functions. */ -struct flow_set * flow_set_create() +struct flow_set * fset_create() { struct flow_set * set = malloc(sizeof(*set)); if (set == NULL) @@ -1126,12 +1126,12 @@ struct flow_set * flow_set_create() return set; } -void flow_set_destroy(struct flow_set * set) +void fset_destroy(struct flow_set * set) { if (set == NULL) return; - flow_set_zero(set); + fset_zero(set); pthread_rwlock_wrlock(&ai.lock); @@ -1163,7 +1163,7 @@ void fqueue_destroy(struct fqueue * fq) free(fq); } -void flow_set_zero(struct flow_set * set) +void fset_zero(struct flow_set * set) { if (set == NULL) return; @@ -1171,14 +1171,14 @@ void flow_set_zero(struct flow_set * set) shm_flow_set_zero(ai.fqset, set->idx); } -int flow_set_add(struct flow_set * set, - int fd) +int fset_add(struct flow_set * set, + int fd) { int ret; size_t sdus; size_t i; - if (set == NULL) + if (set == NULL || fd < 0 || fd > AP_MAX_FLOWS) return -EINVAL; pthread_rwlock_wrlock(&ai.lock); @@ -1194,10 +1194,10 @@ int flow_set_add(struct flow_set * set, return ret; } -void flow_set_del(struct flow_set * set, - int fd) +void fset_del(struct flow_set * set, + int fd) { - if (set == NULL) + if (set == NULL || fd < 0 || fd > AP_MAX_FLOWS) return; pthread_rwlock_wrlock(&ai.lock); @@ -1208,8 +1208,8 @@ void flow_set_del(struct flow_set * set, pthread_rwlock_unlock(&ai.lock); } -bool flow_set_has(const struct flow_set * set, - int fd) +bool fset_has(const struct flow_set * set, + int fd) { bool ret = false; @@ -1254,9 +1254,9 @@ int fqueue_next(struct fqueue * fq) return fd; } -int flow_event_wait(struct flow_set * set, - struct fqueue * fq, - const struct timespec * timeout) +int fevent(struct flow_set * set, + struct fqueue * fq, + const struct timespec * timeo) { ssize_t ret; struct timespec abstime; @@ -1270,9 +1270,9 @@ int flow_event_wait(struct flow_set * set, assert(!fq->next); - if (timeout != NULL) { + if (timeo != NULL) { clock_gettime(PTHREAD_COND_CLOCK, &abstime); - ts_add(&abstime, timeout, &abstime); + ts_add(&abstime, timeo, &abstime); t = &abstime; } @@ -1541,7 +1541,7 @@ void ipcp_flow_fini(int fd) int ipcp_flow_get_qoscube(int fd, qoscube_t * cube) { - if (fd < 0 || fd >= AP_MAX_FLOWS || cube == NULL) + if (fd < 0 || fd > AP_MAX_FLOWS || cube == NULL) return -EINVAL; pthread_rwlock_wrlock(&ai.lock); diff --git a/src/lib/ipcp_config.proto b/src/lib/ipcp_config.proto index 4ede5060..96226653 100644 --- a/src/lib/ipcp_config.proto +++ b/src/lib/ipcp_config.proto @@ -3,8 +3,8 @@ * * DIF config message * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License diff --git a/src/lib/ipcpd_messages.proto b/src/lib/ipcpd_messages.proto index 691b76ad..adf0737f 100644 --- a/src/lib/ipcpd_messages.proto +++ b/src/lib/ipcpd_messages.proto @@ -3,8 +3,8 @@ * * IPCPd message * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License diff --git a/src/lib/irmd_messages.proto b/src/lib/irmd_messages.proto index 723f6fb3..f3e79a43 100644 --- a/src/lib/irmd_messages.proto +++ b/src/lib/irmd_messages.proto @@ -3,8 +3,8 @@ * * IRMd message * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License diff --git a/src/lib/ro.proto b/src/lib/ro.proto index 23bdb200..8c547f14 100644 --- a/src/lib/ro.proto +++ b/src/lib/ro.proto @@ -3,8 +3,8 @@ * * RIB object message * - * Dimitri Staessens <dimitri.staessens@intec.ugent.be> - * Sander Vrijders <sander.vrijders@intec.ugent.be> + * Dimitri Staessens <dimitri.staessens@ugent.be> + * Sander Vrijders <sander.vrijders@ugent.be> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public License diff --git a/src/tools/operf/operf.c b/src/tools/operf/operf.c index e54fbc6b..62adcdb7 100644 --- a/src/tools/operf/operf.c +++ b/src/tools/operf/operf.c @@ -52,13 +52,13 @@ struct c { } client; struct s { - struct timespec times[OPERF_MAX_FLOWS]; - flow_set_t * flows; - fqueue_t * fq; - pthread_mutex_t lock; + struct timespec times[OPERF_MAX_FLOWS]; + fset_t * flows; + fqueue_t * fq; + pthread_mutex_t lock; - uint8_t buffer[OPERF_BUF_SIZE]; - ssize_t timeout; + uint8_t buffer[OPERF_BUF_SIZE]; + ssize_t timeout; pthread_t cleaner_pt; pthread_t accept_pt; diff --git a/src/tools/operf/operf_server.c b/src/tools/operf/operf_server.c index c016ad63..858fbb90 100644 --- a/src/tools/operf/operf_server.c +++ b/src/tools/operf/operf_server.c @@ -50,11 +50,11 @@ void * cleaner_thread(void * o) clock_gettime(CLOCK_REALTIME, &now); pthread_mutex_lock(&server.lock); for (i = 0; i < OPERF_MAX_FLOWS; ++i) - if (flow_set_has(server.flows, i) && + if (fset_has(server.flows, i) && ts_diff_ms(&server.times[i], &now) > server.timeout) { printf("Flow %d timed out.\n", i); - flow_set_del(server.flows, i); + fset_del(server.flows, i); flow_dealloc(i); } @@ -72,7 +72,7 @@ void * server_thread(void *o) (void) o; - while (flow_event_wait(server.flows, server.fq, &timeout)) + while (fevent(server.flows, server.fq, &timeout)) while ((fd = fqueue_next(server.fq)) >= 0) { msg_len = flow_read(fd, server.buffer, OPERF_BUF_SIZE); if (msg_len < 0) @@ -115,7 +115,7 @@ void * accept_thread(void * o) clock_gettime(CLOCK_REALTIME, &now); pthread_mutex_lock(&server.lock); - flow_set_add(server.flows, fd); + fset_add(server.flows, fd); server.times[fd] = now; pthread_mutex_unlock(&server.lock); } @@ -139,13 +139,13 @@ int server_main(void) return -1; } - server.flows = flow_set_create(); + server.flows = fset_create(); if (server.flows == NULL) return 0; server.fq = fqueue_create(); if (server.fq == NULL) { - flow_set_destroy(server.flows); + fset_destroy(server.flows); return -1; } @@ -158,7 +158,7 @@ int server_main(void) pthread_cancel(server.server_pt); pthread_cancel(server.cleaner_pt); - flow_set_destroy(server.flows); + fset_destroy(server.flows); fqueue_destroy(server.fq); pthread_join(server.server_pt, NULL); diff --git a/src/tools/oping/oping.c b/src/tools/oping/oping.c index 13132815..bca4f80b 100644 --- a/src/tools/oping/oping.c +++ b/src/tools/oping/oping.c @@ -63,10 +63,10 @@ struct c { } client; struct s { - struct timespec times[OPING_MAX_FLOWS]; - flow_set_t * flows; - fqueue_t * fq; - pthread_mutex_t lock; + struct timespec times[OPING_MAX_FLOWS]; + fset_t * flows; + fqueue_t * fq; + pthread_mutex_t lock; pthread_t cleaner_pt; pthread_t accept_pt; diff --git a/src/tools/oping/oping_server.c b/src/tools/oping/oping_server.c index 57d1fd7c..6a535caf 100644 --- a/src/tools/oping/oping_server.c +++ b/src/tools/oping/oping_server.c @@ -51,10 +51,10 @@ void * cleaner_thread(void * o) clock_gettime(CLOCK_REALTIME, &now); pthread_mutex_lock(&server.lock); for (i = 0; i < OPING_MAX_FLOWS; ++i) - if (flow_set_has(server.flows, i) && + if (fset_has(server.flows, i) && ts_diff_ms(&server.times[i], &now) > deadline_ms) { printf("Flow %d timed out.\n", i); - flow_set_del(server.flows, i); + fset_del(server.flows, i); flow_dealloc(i); } @@ -75,8 +75,7 @@ void * server_thread(void *o) (void) o; while (true) { - if (flow_event_wait(server.flows, server.fq, &timeout) - == -ETIMEDOUT) + if (fevent(server.flows, server.fq, &timeout) == -ETIMEDOUT) continue; while ((fd = fqueue_next(server.fq)) >= 0) { @@ -127,7 +126,7 @@ void * accept_thread(void * o) clock_gettime(CLOCK_REALTIME, &now); pthread_mutex_lock(&server.lock); - flow_set_add(server.flows, fd); + fset_add(server.flows, fd); server.times[fd] = now; pthread_mutex_unlock(&server.lock); @@ -153,13 +152,13 @@ int server_main(void) return -1; } - server.flows = flow_set_create(); + server.flows = fset_create(); if (server.flows == NULL) return 0; server.fq = fqueue_create(); if (server.fq == NULL) { - flow_set_destroy(server.flows); + fset_destroy(server.flows); return -1; } @@ -172,7 +171,7 @@ int server_main(void) pthread_cancel(server.server_pt); pthread_cancel(server.cleaner_pt); - flow_set_destroy(server.flows); + fset_destroy(server.flows); fqueue_destroy(server.fq); pthread_join(server.server_pt, NULL); |