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path: root/src/vnet/session
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2019-01-27session: properly initialize accepted/connected msgsFlorin Coras1-0/+2
2019-01-24session/vcl: support worker ownership change for listenersFlorin Coras4-5/+40
2019-01-20session: add support for vrf in session unformat (VPP-1546)Florin Coras1-7/+22
2019-01-17tls: preallocate app sessions on connect/acceptFlorin Coras1-0/+3
2019-01-17vcl/session: replicate events for shared sessionsFlorin Coras2-41/+98
2019-01-12session: generate wrong thread errors instead of crashingFlorin Coras2-10/+31
2019-01-10session/vcl: improve fifo tx notificationsFlorin Coras3-49/+50
2019-01-05vcl/session: add api for changing session app workerFlorin Coras5-15/+176
2019-01-02Fixes for buliding for 32bit targets:David Johnson4-14/+20
2019-01-01buffers: remove unused codeDamjan Marion1-2/+1
2019-01-01vcl/ldp: add write msg function and fine tuningFlorin Coras2-6/+31
2018-12-28session: free session after transport and app confirmFlorin Coras6-64/+79
2018-12-22tcp: improve waitclose in closing statesFlorin Coras2-0/+19
2018-12-21http server: improvementsFlorin Coras2-2/+3
2018-12-21tcp: fix fin_wait_1 condition to send finFlorin Coras2-1/+14
2018-12-19session: add cli option to dump session elogFlorin Coras2-3/+30
2018-12-19tcp/session: notify transport of close when tx fifo is not emptyFlorin Coras1-10/+8
2018-12-19session: handle close before app accept replyFlorin Coras3-7/+5
2018-12-18tcp/session: drop connections if message queue is fullFlorin Coras2-7/+10
2018-12-17vcl/session: handle reset/disconnect before app acceptFlorin Coras3-11/+18
2018-12-13session/tcp: support tx flush markFlorin Coras3-3/+21
2018-12-05session/tcp: postpone cleanup on resetFlorin Coras3-3/+9
2018-12-04vcl: cleanup children that use _exit()Florin Coras1-0/+2
2018-12-04vcl: test refactor and improvementsFlorin Coras2-2/+8
2018-11-30vcl: wait for segments with segment handleFlorin Coras5-2/+12
2018-11-30session: segment handle in accept/connect notificationsFlorin Coras8-25/+99
2018-11-30session: use endpt fib index if app in default nsJohn Lo1-1/+6
2018-11-29vcl: basic support for apps that forkFlorin Coras1-1/+1
2018-11-23session: fix coverity app name warningFlorin Coras1-10/+20
2018-11-21session: improve app cliFlorin Coras3-25/+70
2018-11-21session: cleanup use of api_client_indexFlorin Coras5-151/+91
2018-11-18vcl/session: apps with process workersFlorin Coras7-28/+113
2018-11-14Remove c-11 memcpy checks from perf-critical codeDave Barach7-40/+45
2018-11-08tcp: pacer and mrtt estimation improvementsFlorin Coras1-2/+2
2018-11-07tcp: consume incoming buffers instead of reusingFlorin Coras3-7/+14
2018-11-05tcp: send unsent data in fast recoveryFlorin Coras2-3/+3
2018-11-02session: measure dispatch period only if under loadFlorin Coras5-11/+29
2018-11-01tcp: fast retransmit pacingFlorin Coras3-12/+45
2018-10-31session: fix sh session cliFlorin Coras1-1/+1
2018-10-31session: prioritize postponed sessionsFlorin Coras3-45/+33
2018-10-31session: add wrk contextFlorin Coras5-157/+166
2018-10-28session: move test to unittest pluginFlorin Coras1-1756/+0
2018-10-28session: extend connect api for internal appsFlorin Coras12-119/+397
2018-10-25session/tcp: improve cliFlorin Coras4-24/+82
2018-10-25tcp/session: add tx pacerFlorin Coras6-2/+233
2018-10-23c11 safe string handling supportDave Barach14-70/+70
2018-10-18tls: fix connection failures/interrupts at scale (VPP-1464)Florin Coras1-2/+6
2018-10-18tcp: fix cleanup of non established connections (VPP-1463)Florin Coras1-0/+1
2018-10-16tls: fix multi threaded medium scale test (VPP-1457)Florin Coras3-6/+10
2018-10-16vcl: fix bidirectional tests (VPP-1455)Florin Coras1-24/+24
= format (s, "%U", format_svm_region, root_rp, verbose); mp = root_rp->data_base; /* * Snapshoot names, can't hold root rp mutex across * find_or_create. */ /* *INDENT-OFF* */ pool_foreach (subp, mp->subregions, ({ name = vec_dup (subp->subregion_name); vec_add1(svm_names, name); })); /* *INDENT-ON* */ pthread_mutex_unlock (&root_rp->mutex); for (i = 0; i < vec_len (svm_names); i++) { vec_validate (a, 0); a->name = (char *) svm_names[i]; rp = svm_region_find_or_create (a); if (rp) { pthread_mutex_lock (&rp->mutex); s = format (s, "%U", format_svm_region, rp, verbose); pthread_mutex_unlock (&rp->mutex); svm_region_unmap (rp); vec_free (svm_names[i]); } vec_free (a); } vec_free (svm_names); return (s); } void show (char *chroot_path, int verbose) { svm_map_region_args_t *a = 0; vec_validate (a, 0); svm_region_init_chroot (chroot_path); fformat (stdout, "My pid is %d\n", getpid ()); fformat (stdout, "%U", format_all_svm_regions, verbose); svm_region_exit (); vec_free (a); } static void * svm_map_region_nolock (svm_map_region_args_t * a) { int svm_fd; svm_region_t *rp; int deadman = 0; u8 *shm_name; ASSERT ((a->size & ~(MMAP_PAGESIZE - 1)) == a->size); shm_name = shm_name_from_svm_map_region_args (a); svm_fd = shm_open ((char *) shm_name, O_RDWR, 0777); if (svm_fd < 0) { perror ("svm_region_map(mmap open)"); return (0); } vec_free (shm_name); rp = mmap (0, MMAP_PAGESIZE, PROT_READ | PROT_WRITE, MAP_SHARED, svm_fd, 0); if (rp == (svm_region_t *) MAP_FAILED) { close (svm_fd); clib_warning ("mmap"); return (0); } /* * We lost the footrace to create this region; make sure * the winner has crossed the finish line. */ while (rp->version == 0 && deadman++ < 5) { sleep (1); } /* * <bleep>-ed? */ if (rp->version == 0) { clib_warning ("rp->version %d not %d", rp->version, SVM_VERSION); munmap (rp, MMAP_PAGESIZE); return (0); } /* Remap now that the region has been placed */ a->baseva = rp->virtual_base; a->size = rp->virtual_size; munmap (rp, MMAP_PAGESIZE); rp = (void *) mmap ((void *) a->baseva, a->size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, svm_fd, 0); if ((uword) rp == (uword) MAP_FAILED) { clib_unix_warning ("mmap"); return (0); } if ((uword) rp != rp->virtual_base) { clib_warning ("mmap botch"); } if (pthread_mutex_trylock (&rp->mutex)) { clib_warning ("rp->mutex LOCKED by pid %d, tag %d, cleared...", rp->mutex_owner_pid, rp->mutex_owner_tag); memset (&rp->mutex, 0, sizeof (rp->mutex)); } else { clib_warning ("mutex OK...\n"); pthread_mutex_unlock (&rp->mutex); } return ((void *) rp); } /* * rnd_pagesize * Round to a pagesize multiple, presumably 4k works */ static u64 rnd_pagesize (u64 size) { u64 rv; rv = (size + (MMAP_PAGESIZE - 1)) & ~(MMAP_PAGESIZE - 1); return (rv); } #define MUTEX_DEBUG always_inline void region_lock (svm_region_t * rp, int tag) { pthread_mutex_lock (&rp->mutex); #ifdef MUTEX_DEBUG rp->mutex_owner_pid = getpid (); rp->mutex_owner_tag = tag; #endif } always_inline void region_unlock (svm_region_t * rp) { #ifdef MUTEX_DEBUG rp->mutex_owner_pid = 0; rp->mutex_owner_tag = 0; #endif pthread_mutex_unlock (&rp->mutex); } static void * svm_existing_region_map_nolock (void *root_arg, svm_map_region_args_t * a) { svm_region_t *root_rp = root_arg; svm_main_region_t *mp; svm_region_t *rp; void *oldheap; uword *p; a->size += MMAP_PAGESIZE + (a->pvt_heap_size ? a->pvt_heap_size : SVM_PVT_MHEAP_SIZE); a->size = rnd_pagesize (a->size); region_lock (root_rp, 4); oldheap = svm_push_pvt_heap (root_rp); mp = root_rp->data_base; ASSERT (mp); p = hash_get_mem (mp->name_hash, a->name); if (p) { rp = svm_map_region_nolock (a); region_unlock (root_rp); svm_pop_heap (oldheap); return rp; } return 0; } static void trace (char *chroot_path, char *name, int enable_disable) { svm_map_region_args_t *a = 0; svm_region_t *db_rp; void *oldheap; vec_validate (a, 0); svm_region_init_chroot (chroot_path); a->name = name; a->size = 1 << 20; a->flags = SVM_FLAGS_MHEAP; db_rp = svm_region_find_or_create (a); ASSERT (db_rp); region_lock (db_rp, 20); oldheap = svm_push_data_heap (db_rp); mheap_trace (db_rp->data_heap, enable_disable); svm_pop_heap (oldheap); region_unlock (db_rp); svm_region_unmap ((void *) db_rp); svm_region_exit (); vec_free (a); } static void subregion_repair (char *chroot_path) { int i; svm_main_region_t *mp; svm_map_region_args_t a; svm_region_t *root_rp; svm_region_t *rp; svm_subregion_t *subp; u8 *name = 0; u8 **svm_names = 0; svm_region_init_chroot (chroot_path); root_rp = svm_get_root_rp (); pthread_mutex_lock (&root_rp->mutex); mp = root_rp->data_base; /* * Snapshoot names, can't hold root rp mutex across * find_or_create. */ /* *INDENT-OFF* */ pool_foreach (subp, mp->subregions, ({ name = vec_dup (subp->subregion_name); vec_add1(svm_names, name); })); /* *INDENT-ON* */ pthread_mutex_unlock (&root_rp->mutex); for (i = 0; i < vec_len (svm_names); i++) { memset (&a, 0, sizeof (a)); a.root_path = chroot_path; a.name = (char *) svm_names[i]; fformat (stdout, "Checking %s region...\n", a.name); rp = svm_existing_region_map_nolock (root_rp, &a); if (rp) { svm_region_unmap (rp); vec_free (svm_names[i]); } } vec_free (svm_names); } void repair (char *chroot_path, int crash_root_region) { svm_region_t *root_rp = 0; svm_map_region_args_t *a = 0; void *svm_map_region (svm_map_region_args_t * a); int svm_fd; u8 *shm_name; fformat (stdout, "our pid: %d\n", getpid ()); vec_validate (a, 0); a->root_path = chroot_path; a->name = SVM_GLOBAL_REGION_NAME; a->baseva = SVM_GLOBAL_REGION_BASEVA; a->size = SVM_GLOBAL_REGION_SIZE; a->flags = SVM_FLAGS_NODATA; shm_name = shm_name_from_svm_map_region_args (a); svm_fd = shm_open ((char *) shm_name, O_RDWR, 0777); if (svm_fd < 0) { perror ("svm_region_map(mmap open)"); goto out; } vec_free (shm_name); root_rp = mmap (0, MMAP_PAGESIZE, PROT_READ | PROT_WRITE, MAP_SHARED, svm_fd, 0); if (root_rp == (svm_region_t *) MAP_FAILED) { close (svm_fd); clib_warning ("mmap"); goto out; } /* Remap now that the region has been placed */ clib_warning ("remap to 0x%x", root_rp->virtual_base); a->baseva = root_rp->virtual_base; a->size = root_rp->virtual_size; munmap (root_rp, MMAP_PAGESIZE); root_rp = (void *) mmap ((void *) a->baseva, a->size, PROT_READ | PROT_WRITE, MAP_SHARED | MAP_FIXED, svm_fd, 0); if ((uword) root_rp == (uword) MAP_FAILED) { clib_unix_warning ("mmap"); goto out; } close (svm_fd); if ((uword) root_rp != root_rp->virtual_base) { clib_warning ("mmap botch"); goto out; } if (pthread_mutex_trylock (&root_rp->mutex)) { clib_warning ("root_rp->mutex LOCKED by pid %d, tag %d, cleared...", root_rp->mutex_owner_pid, root_rp->mutex_owner_tag); memset (&root_rp->mutex, 0, sizeof (root_rp->mutex)); goto out; } else { clib_warning ("root_rp->mutex OK...\n"); pthread_mutex_unlock (&root_rp->mutex); } out: vec_free (a); /* * Now that the root region is known to be OK, * fix broken subregions */ subregion_repair (chroot_path); if (crash_root_region) { clib_warning ("Leaving root region locked on purpose..."); pthread_mutex_lock (&root_rp->mutex); root_rp->mutex_owner_pid = getpid (); root_rp->mutex_owner_tag = 99; } svm_region_exit (); } int main (int argc, char **argv) { unformat_input_t input; int parsed = 0; char *name; char *chroot_path = 0; u8 *chroot_u8; unformat_init_command_line (&input, argv); while (unformat_check_input (&input) != UNFORMAT_END_OF_INPUT) { if (unformat (&input, "show-verbose")) { show (chroot_path, 1); parsed++; } else if (unformat (&input, "show")) { show (chroot_path, 0); parsed++; } else if (unformat (&input, "client-scan")) { svm_client_scan (chroot_path); parsed++; } else if (unformat (&input, "repair")) { repair (chroot_path, 0 /* fix it */ ); parsed++; } else if (unformat (&input, "crash")) { repair (chroot_path, 1 /* crash it */ ); parsed++; } else if (unformat (&input, "trace-on %s", &name)) { trace (chroot_path, name, 1); parsed++; } else if (unformat (&input, "trace-off %s", &name)) { trace (chroot_path, name, 0); parsed++; } else if (unformat (&input, "chroot %s", &chroot_u8)) { chroot_path = (char *) chroot_u8; } else { break; } } unformat_free (&input); if (!parsed) { fformat (stdout, "%s: show | show-verbose | client-scan | trace-on <region-name>\n", argv[0]); fformat (stdout, " trace-off <region-name>\n"); } exit (0); } /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */