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-rw-r--r--ext/socket/ipsocket.c1479
1 files changed, 1358 insertions, 121 deletions
diff --git a/ext/socket/ipsocket.c b/ext/socket/ipsocket.c
index b5cdc60080..931a1a629c 100644
--- a/ext/socket/ipsocket.c
+++ b/ext/socket/ipsocket.c
@@ -9,76 +9,103 @@
************************************************/
#include "rubysocket.h"
+#include <stdio.h>
struct inetsock_arg
{
- VALUE sock;
+ VALUE self;
+ VALUE io;
+
struct {
- VALUE host, serv;
- struct rb_addrinfo *res;
+ VALUE host, serv;
+ struct rb_addrinfo *res;
} remote, local;
int type;
- int fd;
VALUE resolv_timeout;
VALUE connect_timeout;
+ VALUE open_timeout;
};
+void
+rsock_raise_user_specified_timeout(struct addrinfo *ai, VALUE host, VALUE port)
+{
+ VALUE message;
+
+ if (ai && ai->ai_addr) {
+ VALUE rai = rsock_addrinfo_new((struct sockaddr *)ai->ai_addr, (socklen_t)ai->ai_addrlen, PF_UNSPEC, 0, 0, Qnil, Qnil);
+ VALUE addr_str = rsock_addrinfo_inspect_sockaddr(rai);
+ message = rb_sprintf("user specified timeout for %" PRIsVALUE, addr_str);
+ } else {
+ message = rb_sprintf("user specified timeout for %" PRIsVALUE " port %" PRIsVALUE, host, port);
+ }
+
+ rb_raise(rb_eIOTimeoutError, "%" PRIsVALUE, message);
+}
+
static VALUE
inetsock_cleanup(VALUE v)
{
struct inetsock_arg *arg = (void *)v;
if (arg->remote.res) {
- rb_freeaddrinfo(arg->remote.res);
- arg->remote.res = 0;
+ rb_freeaddrinfo(arg->remote.res);
+ arg->remote.res = 0;
}
if (arg->local.res) {
- rb_freeaddrinfo(arg->local.res);
- arg->local.res = 0;
+ rb_freeaddrinfo(arg->local.res);
+ arg->local.res = 0;
}
- if (arg->fd >= 0) {
- close(arg->fd);
+ if (arg->io != Qnil) {
+ rb_io_close(arg->io);
+ arg->io = Qnil;
}
return Qnil;
}
static VALUE
+current_clocktime(void)
+{
+ VALUE clock_monotnic_const = rb_const_get(rb_mProcess, rb_intern("CLOCK_MONOTONIC"));
+ return rb_funcall(rb_mProcess, rb_intern("clock_gettime"), 1, clock_monotnic_const);
+}
+
+static VALUE
init_inetsock_internal(VALUE v)
{
struct inetsock_arg *arg = (void *)v;
int error = 0;
int type = arg->type;
struct addrinfo *res, *lres;
- int fd, status = 0, local = 0;
+ int status = 0, local = 0;
int family = AF_UNSPEC;
const char *syscall = 0;
+ VALUE resolv_timeout = arg->resolv_timeout;
VALUE connect_timeout = arg->connect_timeout;
- struct timeval tv_storage;
- struct timeval *tv = NULL;
+ VALUE open_timeout = arg->open_timeout;
+ VALUE timeout;
+ VALUE starts_at;
- if (!NIL_P(connect_timeout)) {
- tv_storage = rb_time_interval(connect_timeout);
- tv = &tv_storage;
- }
+ timeout = NIL_P(open_timeout) ? resolv_timeout : open_timeout;
+ starts_at = current_clocktime();
arg->remote.res = rsock_addrinfo(arg->remote.host, arg->remote.serv,
- family, SOCK_STREAM,
- (type == INET_SERVER) ? AI_PASSIVE : 0);
-
+ family, SOCK_STREAM,
+ (type == INET_SERVER) ? AI_PASSIVE : 0, timeout);
/*
* Maybe also accept a local address
*/
if (type != INET_SERVER && (!NIL_P(arg->local.host) || !NIL_P(arg->local.serv))) {
- arg->local.res = rsock_addrinfo(arg->local.host, arg->local.serv,
- family, SOCK_STREAM, 0);
+ arg->local.res = rsock_addrinfo(arg->local.host, arg->local.serv,
+ family, SOCK_STREAM, 0, timeout);
}
- arg->fd = fd = -1;
+ VALUE io = Qnil;
+
for (res = arg->remote.res->ai; res; res = res->ai_next) {
#if !defined(INET6) && defined(AF_INET6)
- if (res->ai_family == AF_INET6)
- continue;
+ if (res->ai_family == AF_INET6)
+ continue;
#endif
lres = NULL;
if (arg->local.res) {
@@ -94,86 +121,1299 @@ init_inetsock_internal(VALUE v)
lres = arg->local.res->ai;
}
}
- status = rsock_socket(res->ai_family,res->ai_socktype,res->ai_protocol);
- syscall = "socket(2)";
- fd = status;
- if (fd < 0) {
- error = errno;
- continue;
- }
- arg->fd = fd;
- if (type == INET_SERVER) {
+ status = rsock_socket(res->ai_family,res->ai_socktype,res->ai_protocol);
+ syscall = "socket(2)";
+ if (status < 0) {
+ error = errno;
+ continue;
+ }
+
+ int fd = status;
+ io = arg->io = rsock_init_sock(arg->self, fd);
+
+ if (type == INET_SERVER) {
#if !defined(_WIN32) && !defined(__CYGWIN__)
- status = 1;
- setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
- (char*)&status, (socklen_t)sizeof(status));
+ status = 1;
+ setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
+ (char*)&status, (socklen_t)sizeof(status));
#endif
- status = bind(fd, res->ai_addr, res->ai_addrlen);
- syscall = "bind(2)";
- }
- else {
- if (lres) {
+ status = bind(fd, res->ai_addr, res->ai_addrlen);
+ syscall = "bind(2)";
+ }
+ else {
+ if (lres) {
#if !defined(_WIN32) && !defined(__CYGWIN__)
status = 1;
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR,
(char*)&status, (socklen_t)sizeof(status));
#endif
- status = bind(fd, lres->ai_addr, lres->ai_addrlen);
- local = status;
- syscall = "bind(2)";
- }
-
- if (status >= 0) {
- status = rsock_connect(fd, res->ai_addr, res->ai_addrlen,
- (type == INET_SOCKS), tv);
- syscall = "connect(2)";
- }
- }
-
- if (status < 0) {
- error = errno;
- close(fd);
- arg->fd = fd = -1;
- continue;
- } else
- break;
+ status = bind(fd, lres->ai_addr, lres->ai_addrlen);
+ local = status;
+ syscall = "bind(2)";
+ }
+
+ if (NIL_P(open_timeout)) {
+ timeout = connect_timeout;
+ } else {
+ VALUE elapsed = rb_funcall(current_clocktime(), '-', 1, starts_at);
+ timeout = rb_funcall(open_timeout, '-', 1, elapsed);
+ if (rb_funcall(timeout, '<', 1, INT2FIX(0)) == Qtrue) {
+ rsock_raise_user_specified_timeout(res, arg->remote.host, arg->remote.serv);
+ }
+ }
+
+ if (status >= 0) {
+ status = rsock_connect(io, res->ai_addr, res->ai_addrlen, (type == INET_SOCKS), timeout);
+ syscall = "connect(2)";
+ }
+ }
+
+ if (status < 0) {
+ error = errno;
+ arg->io = Qnil;
+ rb_io_close(io);
+ io = Qnil;
+ continue;
+ } else {
+ break;
+ }
}
+
if (status < 0) {
- VALUE host, port;
+ VALUE host, port;
- if (local < 0) {
- host = arg->local.host;
- port = arg->local.serv;
- } else {
- host = arg->remote.host;
- port = arg->remote.serv;
- }
+ if (local < 0) {
+ host = arg->local.host;
+ port = arg->local.serv;
+ } else {
+ host = arg->remote.host;
+ port = arg->remote.serv;
+ }
- rsock_syserr_fail_host_port(error, syscall, host, port);
+ rsock_syserr_fail_host_port(error, syscall, host, port);
}
- arg->fd = -1;
+ // Don't close the socket in `inetsock_cleanup` if we are returning it:
+ arg->io = Qnil;
- if (type == INET_SERVER) {
- status = listen(fd, SOMAXCONN);
- if (status < 0) {
- error = errno;
- close(fd);
- rb_syserr_fail(error, "listen(2)");
- }
+ if (type == INET_SERVER && io != Qnil) {
+ status = listen(rb_io_descriptor(io), SOMAXCONN);
+ if (status < 0) {
+ error = errno;
+ rb_io_close(io);
+ rb_syserr_fail(error, "listen(2)");
+ }
}
/* create new instance */
- return rsock_init_sock(arg->sock, fd);
+ return io;
+}
+
+#if FAST_FALLBACK_INIT_INETSOCK_IMPL == 0
+
+VALUE
+rsock_init_inetsock(
+ VALUE self, VALUE remote_host, VALUE remote_serv,
+ VALUE local_host, VALUE local_serv, int type,
+ VALUE resolv_timeout, VALUE connect_timeout, VALUE open_timeout,
+ VALUE _fast_fallback, VALUE _test_mode_settings)
+{
+ if (!NIL_P(open_timeout) && (!NIL_P(resolv_timeout) || !NIL_P(connect_timeout))) {
+ rb_raise(rb_eArgError, "Cannot specify open_timeout along with connect_timeout or resolv_timeout");
+ }
+
+ struct inetsock_arg arg;
+ arg.self = self;
+ arg.io = Qnil;
+ arg.remote.host = remote_host;
+ arg.remote.serv = remote_serv;
+ arg.remote.res = 0;
+ arg.local.host = local_host;
+ arg.local.serv = local_serv;
+ arg.local.res = 0;
+ arg.type = type;
+ arg.resolv_timeout = resolv_timeout;
+ arg.connect_timeout = connect_timeout;
+ arg.open_timeout = open_timeout;
+ return rb_ensure(init_inetsock_internal, (VALUE)&arg,
+ inetsock_cleanup, (VALUE)&arg);
+}
+
+#elif FAST_FALLBACK_INIT_INETSOCK_IMPL == 1
+
+#define IPV6_ENTRY_POS 0
+#define IPV4_ENTRY_POS 1
+#define RESOLUTION_ERROR 0
+#define SYSCALL_ERROR 1
+
+static int
+is_specified_ip_address(const char *hostname)
+{
+ if (!hostname) return false;
+
+ struct in_addr ipv4addr;
+ struct in6_addr ipv6addr;
+
+ return (inet_pton(AF_INET6, hostname, &ipv6addr) == 1 ||
+ inet_pton(AF_INET, hostname, &ipv4addr) == 1);
+}
+
+static int
+is_local_port_fixed(const char *portp)
+{
+ if (!portp) return 0;
+
+ char *endp;
+ errno = 0;
+ long port = strtol(portp, &endp, 10);
+
+ if (endp == portp) return 0;
+ if (errno == ERANGE) return 0;
+
+ return port > 0;
+}
+
+struct fast_fallback_inetsock_arg
+{
+ VALUE self;
+ VALUE io;
+
+ struct {
+ VALUE host, serv;
+ struct rb_addrinfo *res;
+ } remote, local;
+ int type;
+ VALUE resolv_timeout;
+ VALUE connect_timeout;
+ VALUE open_timeout;
+
+ const char *hostp, *portp;
+ int *families;
+ int family_size;
+ int additional_flags;
+ struct fast_fallback_getaddrinfo_entry *getaddrinfo_entries[2];
+ struct fast_fallback_getaddrinfo_shared *getaddrinfo_shared;
+ rb_fdset_t readfds, writefds;
+ int wait;
+ int connection_attempt_fds_size;
+ int *connection_attempt_fds;
+ VALUE test_mode_settings;
+};
+
+static struct fast_fallback_getaddrinfo_shared *
+allocate_fast_fallback_getaddrinfo_shared(int family_size)
+{
+ struct fast_fallback_getaddrinfo_shared *shared;
+
+ shared = (struct fast_fallback_getaddrinfo_shared *)calloc(
+ 1,
+ sizeof(struct fast_fallback_getaddrinfo_shared) + (family_size == 1 ? 0 : 2) * sizeof(struct fast_fallback_getaddrinfo_entry)
+ );
+
+ return shared;
+}
+
+static void
+allocate_fast_fallback_getaddrinfo_hints(struct addrinfo *hints, int family, int remote_addrinfo_hints, int additional_flags)
+{
+ MEMZERO(hints, struct addrinfo, 1);
+ hints->ai_family = family;
+ hints->ai_socktype = SOCK_STREAM;
+ hints->ai_protocol = IPPROTO_TCP;
+ hints->ai_flags = remote_addrinfo_hints;
+ hints->ai_flags |= additional_flags;
+}
+
+static int*
+allocate_connection_attempt_fds(int additional_capacity)
+{
+ int *fds = (int *)malloc(additional_capacity * sizeof(int));
+ if (!fds) rb_syserr_fail(errno, "malloc(3)");
+ for (int i = 0; i < additional_capacity; i++) fds[i] = -1;
+ return fds;
+}
+
+static int
+reallocate_connection_attempt_fds(int **fds, int current_capacity, int additional_capacity)
+{
+ int new_capacity = current_capacity + additional_capacity;
+ int *new_fds;
+
+ new_fds = realloc(*fds, new_capacity * sizeof(int));
+ if (new_fds == NULL) {
+ rb_syserr_fail(errno, "realloc(3)");
+ }
+ *fds = new_fds;
+
+ for (int i = current_capacity; i < new_capacity; i++) (*fds)[i] = -1;
+ return new_capacity;
+}
+
+struct hostname_resolution_result
+{
+ struct addrinfo *ai;
+ int finished;
+ int has_error;
+};
+
+struct hostname_resolution_store
+{
+ struct hostname_resolution_result v6;
+ struct hostname_resolution_result v4;
+ int is_all_finished;
+};
+
+static int
+any_addrinfos(struct hostname_resolution_store *resolution_store)
+{
+ return resolution_store->v6.ai || resolution_store->v4.ai;
+}
+
+static struct timespec
+current_clocktime_ts(void)
+{
+ struct timespec ts;
+ if ((clock_gettime(CLOCK_MONOTONIC, &ts)) < 0) {
+ rb_syserr_fail(errno, "clock_gettime(2)");
+ }
+ return ts;
+}
+
+static void
+set_timeout_tv(struct timeval *tv, long ms, struct timespec from)
+{
+ long sec = ms / 1000;
+ long nsec = (ms % 1000) * 1000000;
+ long result_sec = from.tv_sec + sec;
+ long result_nsec = from.tv_nsec + nsec;
+
+ result_sec += result_nsec / 1000000000;
+ result_nsec = result_nsec % 1000000000;
+
+ tv->tv_sec = result_sec;
+ tv->tv_usec = (int)(result_nsec / 1000);
+}
+
+static struct timeval
+add_ts_to_tv(struct timeval tv, struct timespec ts)
+{
+ long ts_usec = ts.tv_nsec / 1000;
+ tv.tv_sec += ts.tv_sec;
+ tv.tv_usec += ts_usec;
+
+ if (tv.tv_usec >= 1000000) {
+ tv.tv_sec += tv.tv_usec / 1000000;
+ tv.tv_usec = tv.tv_usec % 1000000;
+ }
+
+ return tv;
+}
+
+static VALUE
+tv_to_seconds(struct timeval *timeout) {
+ if (timeout == NULL) return Qnil;
+
+ double seconds = (double)timeout->tv_sec + (double)timeout->tv_usec / 1000000.0;
+
+ return DBL2NUM(seconds);
+}
+
+static int
+is_infinity(struct timeval tv)
+{
+ // { -1, -1 } as infinity
+ return tv.tv_sec == -1 || tv.tv_usec == -1;
+}
+
+static int
+is_timeout_tv(struct timeval *timeout_tv, struct timespec now) {
+ if (!timeout_tv) return false;
+ if (timeout_tv->tv_sec == -1 && timeout_tv->tv_usec == -1) return false;
+
+ struct timespec ts;
+ ts.tv_sec = timeout_tv->tv_sec;
+ ts.tv_nsec = timeout_tv->tv_usec * 1000;
+
+ if (now.tv_sec > ts.tv_sec) return true;
+ if (now.tv_sec == ts.tv_sec && now.tv_nsec >= ts.tv_nsec) return true;
+ return false;
+}
+
+static struct timeval *
+select_expires_at(
+ struct hostname_resolution_store *resolution_store,
+ struct timeval *resolution_delay,
+ struct timeval *connection_attempt_delay,
+ struct timeval *user_specified_resolv_timeout_at,
+ struct timeval *user_specified_connect_timeout_at,
+ struct timeval *user_specified_open_timeout_at)
+{
+ if (any_addrinfos(resolution_store)) {
+ struct timeval *delay;
+ delay = resolution_delay ? resolution_delay : connection_attempt_delay;
+
+ if (user_specified_open_timeout_at &&
+ timercmp(user_specified_open_timeout_at, delay, <)) {
+ return user_specified_open_timeout_at;
+ }
+ return delay;
+ }
+
+ if (user_specified_open_timeout_at) return user_specified_open_timeout_at;
+
+ struct timeval *timeout = NULL;
+
+ if (user_specified_resolv_timeout_at) {
+ if (is_infinity(*user_specified_resolv_timeout_at)) return NULL;
+ timeout = user_specified_resolv_timeout_at;
+ }
+
+ if (user_specified_connect_timeout_at) {
+ if (is_infinity(*user_specified_connect_timeout_at)) return NULL;
+ if (!timeout || timercmp(user_specified_connect_timeout_at, timeout, >)) {
+ return user_specified_connect_timeout_at;
+ }
+ }
+
+ return timeout;
+}
+
+static struct timeval
+tv_to_timeout(struct timeval *ends_at, struct timespec now)
+{
+ struct timeval delay;
+ struct timespec expires_at;
+ expires_at.tv_sec = ends_at->tv_sec;
+ expires_at.tv_nsec = ends_at->tv_usec * 1000;
+
+ struct timespec diff;
+ diff.tv_sec = expires_at.tv_sec - now.tv_sec;
+
+ if (expires_at.tv_nsec >= now.tv_nsec) {
+ diff.tv_nsec = expires_at.tv_nsec - now.tv_nsec;
+ } else {
+ diff.tv_sec -= 1;
+ diff.tv_nsec = (1000000000 + expires_at.tv_nsec) - now.tv_nsec;
+ }
+
+ delay.tv_sec = diff.tv_sec;
+ delay.tv_usec = (int)diff.tv_nsec / 1000;
+
+ return delay;
+}
+
+static struct addrinfo *
+pick_addrinfo(struct hostname_resolution_store *resolution_store, int last_family)
+{
+ int priority_on_v6[2] = { AF_INET6, AF_INET };
+ int priority_on_v4[2] = { AF_INET, AF_INET6 };
+ int *precedences = last_family == AF_INET6 ? priority_on_v4 : priority_on_v6;
+ struct addrinfo *selected_ai = NULL;
+
+ for (int i = 0; i < 2; i++) {
+ if (precedences[i] == AF_INET6) {
+ selected_ai = resolution_store->v6.ai;
+ if (selected_ai) {
+ resolution_store->v6.ai = selected_ai->ai_next;
+ break;
+ }
+ } else {
+ selected_ai = resolution_store->v4.ai;
+ if (selected_ai) {
+ resolution_store->v4.ai = selected_ai->ai_next;
+ break;
+ }
+ }
+ }
+ return selected_ai;
+}
+
+static void
+socket_nonblock_set(int fd)
+{
+ int flags = fcntl(fd, F_GETFL);
+
+ if (flags < 0) rb_syserr_fail(errno, "fcntl(2)");
+ if ((flags & O_NONBLOCK) != 0) return;
+
+ flags |= O_NONBLOCK;
+
+ if (fcntl(fd, F_SETFL, flags) < 0) rb_syserr_fail(errno, "fcntl(2)");
+ return;
+}
+
+static int
+in_progress_fds(int fds_size)
+{
+ return fds_size > 0;
+}
+
+static void
+remove_connection_attempt_fd(int *fds, int *fds_size, int removing_fd)
+{
+ int i, j;
+
+ for (i = 0; i < *fds_size; i++) {
+ if (fds[i] != removing_fd) continue;
+
+ for (j = i; j < *fds_size - 1; j++) {
+ fds[j] = fds[j + 1];
+ }
+
+ (*fds_size)--;
+ fds[*fds_size] = -1;
+ break;
+ }
+}
+
+struct fast_fallback_error
+{
+ int type;
+ int ecode;
+};
+
+static VALUE
+init_fast_fallback_inetsock_internal(VALUE v)
+{
+ struct fast_fallback_inetsock_arg *arg = (void *)v;
+ VALUE io = arg->io;
+ VALUE resolv_timeout = arg->resolv_timeout;
+ VALUE connect_timeout = arg->connect_timeout;
+ VALUE open_timeout = arg->open_timeout;
+ VALUE test_mode_settings = arg->test_mode_settings;
+ struct addrinfo *remote_ai = NULL, *local_ai = NULL;
+ int connected_fd = -1, status = 0, local_status = 0;
+ int remote_addrinfo_hints = 0;
+ struct fast_fallback_error last_error = { 0, 0 };
+ const char *syscall = 0;
+ VALUE host, serv;
+
+ #ifdef HAVE_CONST_AI_ADDRCONFIG
+ remote_addrinfo_hints |= AI_ADDRCONFIG;
+ #endif
+
+ pthread_t threads[arg->family_size];
+ char resolved_type[2];
+ ssize_t resolved_type_size;
+ int hostname_resolution_waiter = -1, hostname_resolution_notifier = -1;
+ int pipefd[2];
+
+ int nfds = 0;
+ struct timeval *ends_at = NULL;
+ struct timeval delay = (struct timeval){ -1, -1 };
+ struct timeval *delay_p = NULL;
+
+ struct hostname_resolution_store resolution_store;
+ resolution_store.is_all_finished = false;
+ resolution_store.v6.ai = NULL;
+ resolution_store.v6.finished = false;
+ resolution_store.v6.has_error = false;
+ resolution_store.v4.ai = NULL;
+ resolution_store.v4.finished = false;
+ resolution_store.v4.has_error = false;
+
+ int last_family = 0;
+ int additional_capacity = 10;
+ int current_capacity = additional_capacity;
+ arg->connection_attempt_fds = allocate_connection_attempt_fds(additional_capacity);
+ arg->connection_attempt_fds_size = 0;
+
+ struct timeval resolution_delay_storage;
+ struct timeval *resolution_delay_expires_at = NULL;
+ struct timeval connection_attempt_delay_strage;
+ struct timeval *connection_attempt_delay_expires_at = NULL;
+ struct timeval user_specified_resolv_timeout_storage;
+ struct timeval *user_specified_resolv_timeout_at = NULL;
+ struct timeval user_specified_connect_timeout_storage;
+ struct timeval *user_specified_connect_timeout_at = NULL;
+ struct timeval user_specified_open_timeout_storage;
+ struct timeval *user_specified_open_timeout_at = NULL;
+ struct timespec now = current_clocktime_ts();
+ VALUE starts_at = current_clocktime();
+
+ if (!NIL_P(open_timeout)) {
+ struct timeval open_timeout_tv = rb_time_interval(open_timeout);
+ user_specified_open_timeout_storage = add_ts_to_tv(open_timeout_tv, now);
+ user_specified_open_timeout_at = &user_specified_open_timeout_storage;
+ }
+
+ /* start of hostname resolution */
+ if (arg->family_size == 1) {
+ arg->wait = -1;
+ arg->getaddrinfo_shared = NULL;
+
+ int family = arg->families[0];
+ VALUE t = NIL_P(open_timeout) ? resolv_timeout : open_timeout;
+
+ arg->remote.res = rsock_addrinfo(
+ arg->remote.host,
+ arg->remote.serv,
+ family,
+ SOCK_STREAM,
+ 0,
+ t
+ );
+
+ if (family == AF_INET6) {
+ resolution_store.v6.ai = arg->remote.res->ai;
+ resolution_store.v6.finished = true;
+ resolution_store.v4.finished = true;
+ } else if (family == AF_INET) {
+ resolution_store.v4.ai = arg->remote.res->ai;
+ resolution_store.v4.finished = true;
+ resolution_store.v6.finished = true;
+ }
+ resolution_store.is_all_finished = true;
+ } else {
+ if (pipe(pipefd) != 0) rb_syserr_fail(errno, "pipe(2)");
+ hostname_resolution_waiter = pipefd[0];
+ int waiter_flags = fcntl(hostname_resolution_waiter, F_GETFL, 0);
+ if (waiter_flags < 0) rb_syserr_fail(errno, "fcntl(2)");
+ if ((fcntl(hostname_resolution_waiter, F_SETFL, waiter_flags | O_NONBLOCK)) < 0) {
+ rb_syserr_fail(errno, "fcntl(2)");
+ }
+ arg->wait = hostname_resolution_waiter;
+ hostname_resolution_notifier = pipefd[1];
+
+ arg->getaddrinfo_shared = allocate_fast_fallback_getaddrinfo_shared(arg->family_size);
+ if (!arg->getaddrinfo_shared) rb_syserr_fail(errno, "calloc(3)");
+
+ rb_nativethread_lock_initialize(&arg->getaddrinfo_shared->lock);
+ arg->getaddrinfo_shared->notify = hostname_resolution_notifier;
+
+ arg->getaddrinfo_shared->node = arg->hostp ? ruby_strdup(arg->hostp) : NULL;
+ arg->getaddrinfo_shared->service = arg->portp ? ruby_strdup(arg->portp) : NULL;
+ arg->getaddrinfo_shared->refcount = arg->family_size + 1;
+
+ for (int i = 0; i < arg->family_size; i++) {
+ arg->getaddrinfo_entries[i] = &arg->getaddrinfo_shared->getaddrinfo_entries[i];
+ arg->getaddrinfo_entries[i]->shared = arg->getaddrinfo_shared;
+
+ struct addrinfo getaddrinfo_hints[arg->family_size];
+
+ allocate_fast_fallback_getaddrinfo_hints(
+ &getaddrinfo_hints[i],
+ arg->families[i],
+ remote_addrinfo_hints,
+ arg->additional_flags
+ );
+
+ arg->getaddrinfo_entries[i]->hints = getaddrinfo_hints[i];
+ arg->getaddrinfo_entries[i]->ai = NULL;
+ arg->getaddrinfo_entries[i]->family = arg->families[i];
+ arg->getaddrinfo_entries[i]->refcount = 2;
+ arg->getaddrinfo_entries[i]->has_syserr = false;
+ arg->getaddrinfo_entries[i]->test_sleep_ms = 0;
+ arg->getaddrinfo_entries[i]->test_ecode = 0;
+
+ /* for testing HEv2 */
+ if (!NIL_P(test_mode_settings) && RB_TYPE_P(test_mode_settings, T_HASH)) {
+ const char *family_sym = arg->families[i] == AF_INET6 ? "ipv6" : "ipv4";
+
+ VALUE test_delay_setting = rb_hash_aref(test_mode_settings, ID2SYM(rb_intern("delay")));
+ if (!NIL_P(test_delay_setting)) {
+ VALUE rb_test_delay_ms = rb_hash_aref(test_delay_setting, ID2SYM(rb_intern(family_sym)));
+ long test_delay_ms = NIL_P(rb_test_delay_ms) ? 0 : rb_test_delay_ms;
+ arg->getaddrinfo_entries[i]->test_sleep_ms = test_delay_ms;
+ }
+
+ VALUE test_error_setting = rb_hash_aref(test_mode_settings, ID2SYM(rb_intern("error")));
+ if (!NIL_P(test_error_setting)) {
+ VALUE rb_test_ecode = rb_hash_aref(test_error_setting, ID2SYM(rb_intern(family_sym)));
+ if (!NIL_P(rb_test_ecode)) {
+ arg->getaddrinfo_entries[i]->test_ecode = NUM2INT(rb_test_ecode);
+ }
+ }
+ }
+
+ if (raddrinfo_pthread_create(&threads[i], fork_safe_do_fast_fallback_getaddrinfo, arg->getaddrinfo_entries[i]) != 0) {
+ rsock_raise_resolution_error("getaddrinfo(3)", EAI_AGAIN);
+ }
+ }
+
+ if (NIL_P(resolv_timeout)) {
+ user_specified_resolv_timeout_storage = (struct timeval){ -1, -1 };
+ } else {
+ struct timeval resolv_timeout_tv = rb_time_interval(resolv_timeout);
+ user_specified_resolv_timeout_storage = add_ts_to_tv(resolv_timeout_tv, now);
+ }
+ user_specified_resolv_timeout_at = &user_specified_resolv_timeout_storage;
+ }
+
+ while (true) {
+ /* start of connection */
+ if (any_addrinfos(&resolution_store) &&
+ !resolution_delay_expires_at &&
+ !connection_attempt_delay_expires_at) {
+ while ((remote_ai = pick_addrinfo(&resolution_store, last_family))) {
+ int fd = -1;
+
+ #if !defined(INET6) && defined(AF_INET6)
+ if (remote_ai->ai_family == AF_INET6) {
+ if (any_addrinfos(&resolution_store)) continue;
+ if (!in_progress_fds(arg->connection_attempt_fds_size)) break;
+ if (resolution_store.is_all_finished) break;
+
+ if (local_status < 0) {
+ host = arg->local.host;
+ serv = arg->local.serv;
+ } else {
+ host = arg->remote.host;
+ serv = arg->remote.serv;
+ }
+ if (last_error.type == RESOLUTION_ERROR) {
+ rsock_raise_resolution_error(syscall, last_error.ecode);
+ } else {
+ rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv);
+ }
+ }
+ #endif
+
+ local_ai = NULL;
+
+ if (arg->local.res) {
+ for (local_ai = arg->local.res->ai; local_ai; local_ai = local_ai->ai_next) {
+ if (local_ai->ai_family == remote_ai->ai_family) break;
+ }
+ if (!local_ai) {
+ if (any_addrinfos(&resolution_store)) continue;
+ if (in_progress_fds(arg->connection_attempt_fds_size)) break;
+ if (!resolution_store.is_all_finished) break;
+
+ /* Use a different family local address if no choice, this
+ * will cause EAFNOSUPPORT. */
+ rsock_syserr_fail_host_port(EAFNOSUPPORT, syscall, arg->local.host, arg->local.serv);
+ }
+ }
+
+ status = rsock_socket(remote_ai->ai_family, remote_ai->ai_socktype, remote_ai->ai_protocol);
+ syscall = "socket(2)";
+
+ if (status < 0) {
+ last_error.type = SYSCALL_ERROR;
+ last_error.ecode = errno;
+
+ if (any_addrinfos(&resolution_store)) continue;
+ if (in_progress_fds(arg->connection_attempt_fds_size)) break;
+ if (!resolution_store.is_all_finished) break;
+
+ if (local_status < 0) {
+ host = arg->local.host;
+ serv = arg->local.serv;
+ } else {
+ host = arg->remote.host;
+ serv = arg->remote.serv;
+ }
+ if (last_error.type == RESOLUTION_ERROR) {
+ rsock_raise_resolution_error(syscall, last_error.ecode);
+ } else {
+ rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv);
+ }
+ }
+
+ fd = status;
+
+ if (local_ai) {
+ #if !defined(_WIN32) && !defined(__CYGWIN__)
+ status = 1;
+ if ((setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&status, (socklen_t)sizeof(status))) < 0) {
+ rb_syserr_fail(errno, "setsockopt(2)");
+ }
+ #endif
+ status = bind(fd, local_ai->ai_addr, local_ai->ai_addrlen);
+ local_status = status;
+ syscall = "bind(2)";
+
+ if (status < 0) {
+ last_error.type = SYSCALL_ERROR;
+ last_error.ecode = errno;
+ close(fd);
+
+ if (any_addrinfos(&resolution_store)) continue;
+ if (in_progress_fds(arg->connection_attempt_fds_size)) break;
+ if (!resolution_store.is_all_finished) break;
+
+ if (local_status < 0) {
+ host = arg->local.host;
+ serv = arg->local.serv;
+ } else {
+ host = arg->remote.host;
+ serv = arg->remote.serv;
+ }
+ if (last_error.type == RESOLUTION_ERROR) {
+ rsock_raise_resolution_error(syscall, last_error.ecode);
+ } else {
+ rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv);
+ }
+ }
+ }
+
+ syscall = "connect(2)";
+
+ if (any_addrinfos(&resolution_store) ||
+ in_progress_fds(arg->connection_attempt_fds_size) ||
+ !resolution_store.is_all_finished) {
+ socket_nonblock_set(fd);
+ status = connect(fd, remote_ai->ai_addr, remote_ai->ai_addrlen);
+ last_family = remote_ai->ai_family;
+ } else {
+ VALUE timeout = Qnil;
+
+ if (!NIL_P(open_timeout)) {
+ VALUE elapsed = rb_funcall(current_clocktime(), '-', 1, starts_at);
+ timeout = rb_funcall(open_timeout, '-', 1, elapsed);
+
+ if (rb_funcall(timeout, '<', 1, INT2FIX(0)) == Qtrue) {
+ rsock_raise_user_specified_timeout(NULL, arg->remote.host, arg->remote.serv);
+ }
+ }
+ if (NIL_P(timeout)) {
+ if (!NIL_P(connect_timeout)) {
+ user_specified_connect_timeout_storage = rb_time_interval(connect_timeout);
+ user_specified_connect_timeout_at = &user_specified_connect_timeout_storage;
+ }
+ timeout =
+ (user_specified_connect_timeout_at && is_infinity(*user_specified_connect_timeout_at)) ?
+ Qnil : tv_to_seconds(user_specified_connect_timeout_at);
+ }
+
+ io = arg->io = rsock_init_sock(arg->self, fd);
+ status = rsock_connect(io, remote_ai->ai_addr, remote_ai->ai_addrlen, 0, timeout);
+ }
+
+ if (status == 0) {
+ connected_fd = fd;
+ break;
+ }
+
+ if (errno == EINPROGRESS) {
+ if (current_capacity == arg->connection_attempt_fds_size) {
+ current_capacity = reallocate_connection_attempt_fds(
+ &arg->connection_attempt_fds,
+ current_capacity,
+ additional_capacity
+ );
+ }
+ arg->connection_attempt_fds[arg->connection_attempt_fds_size] = fd;
+ (arg->connection_attempt_fds_size)++;
+
+ set_timeout_tv(&connection_attempt_delay_strage, 250, now);
+ connection_attempt_delay_expires_at = &connection_attempt_delay_strage;
+
+ if (!any_addrinfos(&resolution_store)) {
+ if (NIL_P(connect_timeout)) {
+ user_specified_connect_timeout_storage = (struct timeval){ -1, -1 };
+ } else {
+ struct timeval connect_timeout_tv = rb_time_interval(connect_timeout);
+ user_specified_connect_timeout_storage = add_ts_to_tv(connect_timeout_tv, now);
+ }
+ user_specified_connect_timeout_at = &user_specified_connect_timeout_storage;
+ }
+
+ break;
+ }
+
+ last_error.type = SYSCALL_ERROR;
+ last_error.ecode = errno;
+
+ if (NIL_P(io)) {
+ close(fd);
+ } else {
+ rb_io_close(io);
+ }
+
+ if (any_addrinfos(&resolution_store)) continue;
+ if (in_progress_fds(arg->connection_attempt_fds_size)) break;
+ if (!resolution_store.is_all_finished) break;
+
+ if (local_status < 0) {
+ host = arg->local.host;
+ serv = arg->local.serv;
+ } else {
+ host = arg->remote.host;
+ serv = arg->remote.serv;
+ }
+ if (last_error.type == RESOLUTION_ERROR) {
+ rsock_raise_resolution_error(syscall, last_error.ecode);
+ } else {
+ rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv);
+ }
+ }
+ }
+
+ if (connected_fd >= 0) break;
+
+ ends_at = select_expires_at(
+ &resolution_store,
+ resolution_delay_expires_at,
+ connection_attempt_delay_expires_at,
+ user_specified_resolv_timeout_at,
+ user_specified_connect_timeout_at,
+ user_specified_open_timeout_at
+ );
+ if (ends_at) {
+ delay = tv_to_timeout(ends_at, now);
+ delay_p = &delay;
+ } else {
+ if (((resolution_store.v6.finished && !resolution_store.v4.finished) ||
+ (resolution_store.v4.finished && !resolution_store.v6.finished)) &&
+ !any_addrinfos(&resolution_store) &&
+ !in_progress_fds(arg->connection_attempt_fds_size)) {
+ /* A limited timeout is introduced to prevent select(2) from hanging when it is exclusively
+ * waiting for name resolution and write(2) failure occurs in a child thread. */
+ delay.tv_sec = 0;
+ delay.tv_usec = 50000;
+ delay_p = &delay;
+ } else {
+ delay_p = NULL;
+ }
+ }
+
+ nfds = 0;
+ rb_fd_zero(&arg->writefds);
+ if (in_progress_fds(arg->connection_attempt_fds_size)) {
+ int n = 0;
+ for (int i = 0; i < arg->connection_attempt_fds_size; i++) {
+ int cfd = arg->connection_attempt_fds[i];
+ if (cfd < 0) continue;
+ if (cfd > n) n = cfd;
+ rb_fd_set(cfd, &arg->writefds);
+ }
+ if (n > 0) n++;
+ nfds = n;
+ }
+
+ rb_fd_zero(&arg->readfds);
+ if (arg->family_size > 1) {
+ rb_fd_set(hostname_resolution_waiter, &arg->readfds);
+
+ if ((hostname_resolution_waiter + 1) > nfds) {
+ nfds = hostname_resolution_waiter + 1;
+ }
+ }
+
+ status = rb_thread_fd_select(nfds, &arg->readfds, &arg->writefds, NULL, delay_p);
+
+ now = current_clocktime_ts();
+ if (is_timeout_tv(resolution_delay_expires_at, now)) {
+ resolution_delay_expires_at = NULL;
+ }
+ if (is_timeout_tv(connection_attempt_delay_expires_at, now)) {
+ connection_attempt_delay_expires_at = NULL;
+ }
+
+ if (status < 0 && (errno && errno != EINTR)) rb_syserr_fail(errno, "select(2)");
+
+ if (status > 0) {
+ /* check for connection */
+ if (in_progress_fds(arg->connection_attempt_fds_size)) {
+ for (int i = 0; i < arg->connection_attempt_fds_size; i++) {
+ int fd = arg->connection_attempt_fds[i];
+ if (fd < 0 || !rb_fd_isset(fd, &arg->writefds)) continue;
+
+ int err;
+ socklen_t len = sizeof(err);
+
+ status = getsockopt(fd, SOL_SOCKET, SO_ERROR, &err, &len);
+
+ if (status < 0) {
+ last_error.type = SYSCALL_ERROR;
+ last_error.ecode = errno;
+ close(fd);
+
+ if (any_addrinfos(&resolution_store)) continue;
+ if (in_progress_fds(arg->connection_attempt_fds_size)) break;
+ if (!resolution_store.is_all_finished) break;
+
+ if (local_status < 0) {
+ host = arg->local.host;
+ serv = arg->local.serv;
+ } else {
+ host = arg->remote.host;
+ serv = arg->remote.serv;
+ }
+ if (last_error.type == RESOLUTION_ERROR) {
+ rsock_raise_resolution_error(syscall, last_error.ecode);
+ } else {
+ rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv);
+ }
+ }
+
+ if (err == 0) { /* success */
+ remove_connection_attempt_fd(
+ arg->connection_attempt_fds,
+ &arg->connection_attempt_fds_size,
+ fd
+ );
+ connected_fd = fd;
+ break;
+ } else { /* fail */
+ close(fd);
+ remove_connection_attempt_fd(
+ arg->connection_attempt_fds,
+ &arg->connection_attempt_fds_size,
+ fd
+ );
+ last_error.type = SYSCALL_ERROR;
+ last_error.ecode = err;
+ }
+ }
+
+ if (connected_fd >= 0) break;
+
+ if (!in_progress_fds(arg->connection_attempt_fds_size)) {
+ if (!any_addrinfos(&resolution_store) && resolution_store.is_all_finished) {
+ if (local_status < 0) {
+ host = arg->local.host;
+ serv = arg->local.serv;
+ } else {
+ host = arg->remote.host;
+ serv = arg->remote.serv;
+ }
+ if (last_error.type == RESOLUTION_ERROR) {
+ rsock_raise_resolution_error(syscall, last_error.ecode);
+ } else {
+ rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv);
+ }
+ }
+ connection_attempt_delay_expires_at = NULL;
+ user_specified_connect_timeout_at = NULL;
+ }
+ }
+
+ /* check for hostname resolution */
+ if (!resolution_store.is_all_finished && rb_fd_isset(hostname_resolution_waiter, &arg->readfds)) {
+ while (true) {
+ resolved_type_size = read(
+ hostname_resolution_waiter,
+ resolved_type,
+ sizeof(resolved_type) - 1
+ );
+
+ if (resolved_type_size > 0) {
+ resolved_type[resolved_type_size] = '\0';
+
+ if (resolved_type[0] == IPV6_HOSTNAME_RESOLVED) {
+ resolution_store.v6.finished = true;
+
+ if (arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err &&
+ arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err != EAI_ADDRFAMILY) {
+ if (!resolution_store.v4.finished || resolution_store.v4.has_error) {
+ last_error.type = RESOLUTION_ERROR;
+ last_error.ecode = arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err;
+ syscall = "getaddrinfo(3)";
+ }
+ resolution_store.v6.has_error = true;
+ } else {
+ resolution_store.v6.ai = arg->getaddrinfo_entries[IPV6_ENTRY_POS]->ai;
+ }
+ if (resolution_store.v4.finished) {
+ resolution_store.is_all_finished = true;
+ resolution_delay_expires_at = NULL;
+ user_specified_resolv_timeout_at = NULL;
+ break;
+ }
+ } else if (resolved_type[0] == IPV4_HOSTNAME_RESOLVED) {
+ resolution_store.v4.finished = true;
+
+ if (arg->getaddrinfo_entries[IPV4_ENTRY_POS]->err) {
+ if (!resolution_store.v6.finished || resolution_store.v6.has_error) {
+ last_error.type = RESOLUTION_ERROR;
+ last_error.ecode = arg->getaddrinfo_entries[IPV4_ENTRY_POS]->err;
+ syscall = "getaddrinfo(3)";
+ }
+ resolution_store.v4.has_error = true;
+ } else {
+ resolution_store.v4.ai = arg->getaddrinfo_entries[IPV4_ENTRY_POS]->ai;
+ }
+
+ if (resolution_store.v6.finished) {
+ resolution_store.is_all_finished = true;
+ resolution_delay_expires_at = NULL;
+ user_specified_resolv_timeout_at = NULL;
+ break;
+ }
+ } else {
+ /* Retry to read from hostname_resolution_waiter */
+ }
+ } else if (resolved_type_size < 0 && (errno == EAGAIN || errno == EWOULDBLOCK)) {
+ errno = 0;
+ break;
+ } else {
+ /* Retry to read from hostname_resolution_waiter */
+ }
+
+ if (!resolution_store.v6.finished &&
+ resolution_store.v4.finished &&
+ !resolution_store.v4.has_error) {
+ set_timeout_tv(&resolution_delay_storage, 50, now);
+ resolution_delay_expires_at = &resolution_delay_storage;
+ }
+ }
+ }
+
+ status = 0;
+ }
+
+ /* For cases where write(2) fails in child threads */
+ if (!resolution_store.is_all_finished) {
+ if (!resolution_store.v6.finished && arg->getaddrinfo_entries[IPV6_ENTRY_POS]->has_syserr) {
+ resolution_store.v6.finished = true;
+
+ if (arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err) {
+ if (!resolution_store.v4.finished || resolution_store.v4.has_error) {
+ last_error.type = RESOLUTION_ERROR;
+ last_error.ecode = arg->getaddrinfo_entries[IPV6_ENTRY_POS]->err;
+ syscall = "getaddrinfo(3)";
+ }
+ resolution_store.v6.has_error = true;
+ } else {
+ resolution_store.v6.ai = arg->getaddrinfo_entries[IPV6_ENTRY_POS]->ai;
+ }
+
+ if (resolution_store.v4.finished) {
+ resolution_store.is_all_finished = true;
+ resolution_delay_expires_at = NULL;
+ user_specified_resolv_timeout_at = NULL;
+ }
+ }
+ if (!resolution_store.v4.finished && arg->getaddrinfo_entries[IPV4_ENTRY_POS]->has_syserr) {
+ resolution_store.v4.finished = true;
+
+ if (arg->getaddrinfo_entries[IPV4_ENTRY_POS]->err) {
+ if (!resolution_store.v6.finished || resolution_store.v6.has_error) {
+ last_error.type = RESOLUTION_ERROR;
+ last_error.ecode = arg->getaddrinfo_entries[IPV4_ENTRY_POS]->err;
+ syscall = "getaddrinfo(3)";
+ }
+ resolution_store.v4.has_error = true;
+ } else {
+ resolution_store.v4.ai = arg->getaddrinfo_entries[IPV4_ENTRY_POS]->ai;
+ }
+
+ if (resolution_store.v6.finished) {
+ resolution_store.is_all_finished = true;
+ resolution_delay_expires_at = NULL;
+ user_specified_resolv_timeout_at = NULL;
+ } else {
+ set_timeout_tv(&resolution_delay_storage, 50, now);
+ resolution_delay_expires_at = &resolution_delay_storage;
+ }
+ }
+ }
+
+ if (is_timeout_tv(user_specified_open_timeout_at, now)) {
+ rsock_raise_user_specified_timeout(NULL, arg->remote.host, arg->remote.serv);
+ }
+
+ if (!any_addrinfos(&resolution_store)) {
+ if (!in_progress_fds(arg->connection_attempt_fds_size) &&
+ resolution_store.is_all_finished) {
+ if (local_status < 0) {
+ host = arg->local.host;
+ serv = arg->local.serv;
+ } else {
+ host = arg->remote.host;
+ serv = arg->remote.serv;
+ }
+ if (last_error.type == RESOLUTION_ERROR) {
+ rsock_raise_resolution_error(syscall, last_error.ecode);
+ } else {
+ rsock_syserr_fail_host_port(last_error.ecode, syscall, host, serv);
+ }
+ }
+
+ if ((is_timeout_tv(user_specified_resolv_timeout_at, now) ||
+ resolution_store.is_all_finished) &&
+ (is_timeout_tv(user_specified_connect_timeout_at, now) ||
+ !in_progress_fds(arg->connection_attempt_fds_size))) {
+ rsock_raise_user_specified_timeout(NULL, arg->remote.host, arg->remote.serv);
+ }
+ }
+ }
+
+ if (NIL_P(arg->io)) {
+ /* create new instance */
+ arg->io = rsock_init_sock(arg->self, connected_fd);
+ }
+
+ return arg->io;
+}
+
+static VALUE
+fast_fallback_inetsock_cleanup(VALUE v)
+{
+ struct fast_fallback_inetsock_arg *arg = (void *)v;
+ struct fast_fallback_getaddrinfo_shared *getaddrinfo_shared = arg->getaddrinfo_shared;
+
+ if (arg->remote.res) {
+ rb_freeaddrinfo(arg->remote.res);
+ arg->remote.res = 0;
+ }
+ if (arg->local.res) {
+ rb_freeaddrinfo(arg->local.res);
+ arg->local.res = 0;
+ }
+
+ if (arg->wait != -1) close(arg->wait);
+
+ if (getaddrinfo_shared) {
+ if (getaddrinfo_shared->notify != -1) close(getaddrinfo_shared->notify);
+ getaddrinfo_shared->notify = -1;
+
+ int shared_need_free = 0;
+ struct addrinfo *ais[arg->family_size];
+ for (int i = 0; i < arg->family_size; i++) ais[i] = NULL;
+
+ rb_nativethread_lock_lock(&getaddrinfo_shared->lock);
+ {
+ for (int i = 0; i < arg->family_size; i++) {
+ struct fast_fallback_getaddrinfo_entry *getaddrinfo_entry = arg->getaddrinfo_entries[i];
+
+ if (!getaddrinfo_entry) continue;
+
+ if (--(getaddrinfo_entry->refcount) == 0) {
+ ais[i] = getaddrinfo_entry->ai;
+ getaddrinfo_entry->ai = NULL;
+ }
+ }
+ if (--(getaddrinfo_shared->refcount) == 0) {
+ shared_need_free = 1;
+ }
+ }
+ rb_nativethread_lock_unlock(&getaddrinfo_shared->lock);
+
+ for (int i = 0; i < arg->family_size; i++) {
+ if (ais[i]) freeaddrinfo(ais[i]);
+ }
+ if (getaddrinfo_shared && shared_need_free) {
+ free_fast_fallback_getaddrinfo_shared(&getaddrinfo_shared);
+ }
+ }
+
+ int connection_attempt_fd;
+
+ for (int i = 0; i < arg->connection_attempt_fds_size; i++) {
+ connection_attempt_fd = arg->connection_attempt_fds[i];
+
+ if (connection_attempt_fd >= 0) {
+ int error = 0;
+ socklen_t len = sizeof(error);
+ getsockopt(connection_attempt_fd, SOL_SOCKET, SO_ERROR, &error, &len);
+ if (error == 0) shutdown(connection_attempt_fd, SHUT_RDWR);
+ close(connection_attempt_fd);
+ }
+ }
+
+ if (arg->readfds.fdset) rb_fd_term(&arg->readfds);
+ if (arg->writefds.fdset) rb_fd_term(&arg->writefds);
+
+ if (arg->connection_attempt_fds) {
+ free(arg->connection_attempt_fds);
+ arg->connection_attempt_fds = NULL;
+ }
+
+ return Qnil;
}
VALUE
-rsock_init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv,
- VALUE local_host, VALUE local_serv, int type,
- VALUE resolv_timeout, VALUE connect_timeout)
+rsock_init_inetsock(
+ VALUE self, VALUE remote_host, VALUE remote_serv,
+ VALUE local_host, VALUE local_serv, int type,
+ VALUE resolv_timeout, VALUE connect_timeout, VALUE open_timeout,
+ VALUE fast_fallback, VALUE test_mode_settings)
{
+ if (!NIL_P(open_timeout) && (!NIL_P(resolv_timeout) || !NIL_P(connect_timeout))) {
+ rb_raise(rb_eArgError, "Cannot specify open_timeout along with connect_timeout or resolv_timeout");
+ }
+
+ if (type == INET_CLIENT && FAST_FALLBACK_INIT_INETSOCK_IMPL == 1 && RTEST(fast_fallback)) {
+ struct rb_addrinfo *local_res = NULL;
+ char *hostp, *portp, *local_portp;
+ char hbuf[NI_MAXHOST], pbuf[NI_MAXSERV], local_pbuf[NI_MAXSERV];
+ int additional_flags = 0;
+ int local_flags = 0;
+ hostp = raddrinfo_host_str(remote_host, hbuf, sizeof(hbuf), &additional_flags);
+ portp = raddrinfo_port_str(remote_serv, pbuf, sizeof(pbuf), &additional_flags);
+ local_portp = raddrinfo_port_str(local_serv, local_pbuf, sizeof(local_pbuf), &local_flags);
+
+ if (!is_specified_ip_address(hostp) && !is_local_port_fixed(local_portp)) {
+ int target_families[2] = { 0, 0 };
+ int resolving_family_size = 0;
+
+ /*
+ * Maybe also accept a local address
+ */
+ if (!NIL_P(local_host) || !NIL_P(local_serv)) {
+ VALUE t = NIL_P(open_timeout) ? resolv_timeout : open_timeout;
+ local_res = rsock_addrinfo(
+ local_host,
+ local_serv,
+ AF_UNSPEC,
+ SOCK_STREAM,
+ 0,
+ t
+ );
+
+ struct addrinfo *tmp_p = local_res->ai;
+ for (; tmp_p != NULL; tmp_p = tmp_p->ai_next) {
+ if (target_families[0] == 0 && tmp_p->ai_family == AF_INET6) {
+ target_families[0] = AF_INET6;
+ resolving_family_size++;
+ }
+ if (target_families[1] == 0 && tmp_p->ai_family == AF_INET) {
+ target_families[1] = AF_INET;
+ resolving_family_size++;
+ }
+ }
+ } else {
+ resolving_family_size = 2;
+ target_families[0] = AF_INET6;
+ target_families[1] = AF_INET;
+ }
+
+ struct fast_fallback_inetsock_arg fast_fallback_arg;
+ memset(&fast_fallback_arg, 0, sizeof(fast_fallback_arg));
+
+ fast_fallback_arg.self = self;
+ fast_fallback_arg.io = Qnil;
+ fast_fallback_arg.remote.host = remote_host;
+ fast_fallback_arg.remote.serv = remote_serv;
+ fast_fallback_arg.remote.res = 0;
+ fast_fallback_arg.local.host = local_host;
+ fast_fallback_arg.local.serv = local_serv;
+ fast_fallback_arg.local.res = local_res;
+ fast_fallback_arg.type = type;
+ fast_fallback_arg.resolv_timeout = resolv_timeout;
+ fast_fallback_arg.connect_timeout = connect_timeout;
+ fast_fallback_arg.open_timeout = open_timeout;
+ fast_fallback_arg.hostp = hostp;
+ fast_fallback_arg.portp = portp;
+ fast_fallback_arg.additional_flags = additional_flags;
+
+ int resolving_families[resolving_family_size];
+ int resolving_family_index = 0;
+ for (int i = 0; 2 > i; i++) {
+ if (target_families[i] != 0) {
+ resolving_families[resolving_family_index] = target_families[i];
+ resolving_family_index++;
+ }
+ }
+ fast_fallback_arg.families = resolving_families;
+ fast_fallback_arg.family_size = resolving_family_size;
+ fast_fallback_arg.test_mode_settings = test_mode_settings;
+
+ rb_fd_init(&fast_fallback_arg.readfds);
+ rb_fd_init(&fast_fallback_arg.writefds);
+
+ return rb_ensure(init_fast_fallback_inetsock_internal, (VALUE)&fast_fallback_arg,
+ fast_fallback_inetsock_cleanup, (VALUE)&fast_fallback_arg);
+ }
+ }
+
struct inetsock_arg arg;
- arg.sock = sock;
+ arg.self = self;
+ arg.io = Qnil;
arg.remote.host = remote_host;
arg.remote.serv = remote_serv;
arg.remote.res = 0;
@@ -181,13 +1421,16 @@ rsock_init_inetsock(VALUE sock, VALUE remote_host, VALUE remote_serv,
arg.local.serv = local_serv;
arg.local.res = 0;
arg.type = type;
- arg.fd = -1;
arg.resolv_timeout = resolv_timeout;
arg.connect_timeout = connect_timeout;
+ arg.open_timeout = open_timeout;
+
return rb_ensure(init_inetsock_internal, (VALUE)&arg,
- inetsock_cleanup, (VALUE)&arg);
+ inetsock_cleanup, (VALUE)&arg);
}
+#endif
+
static ID id_numeric, id_hostname;
int
@@ -201,11 +1444,11 @@ rsock_revlookup_flag(VALUE revlookup, int *norevlookup)
case Qfalse: return_norevlookup(1);
case Qnil: break;
default:
- Check_Type(revlookup, T_SYMBOL);
- id = SYM2ID(revlookup);
- if (id == id_numeric) return_norevlookup(1);
- if (id == id_hostname) return_norevlookup(0);
- rb_raise(rb_eArgError, "invalid reverse_lookup flag: :%s", rb_id2name(id));
+ Check_Type(revlookup, T_SYMBOL);
+ id = SYM2ID(revlookup);
+ if (id == id_numeric) return_norevlookup(1);
+ if (id == id_hostname) return_norevlookup(0);
+ rb_raise(rb_eArgError, "invalid reverse_lookup flag: :%s", rb_id2name(id));
}
return 0;
#undef return_norevlookup
@@ -226,24 +1469,24 @@ ip_inspect(VALUE sock)
socklen_t len = (socklen_t)sizeof addr;
ID id;
if (fptr && fptr->fd >= 0 &&
- getsockname(fptr->fd, &addr.addr, &len) >= 0 &&
- (id = rsock_intern_family(addr.addr.sa_family)) != 0) {
- VALUE family = rb_id2str(id);
- char hbuf[1024], pbuf[1024];
- long slen = RSTRING_LEN(str);
- const char last = (slen > 1 && RSTRING_PTR(str)[slen - 1] == '>') ?
- (--slen, '>') : 0;
- str = rb_str_subseq(str, 0, slen);
- rb_str_cat_cstr(str, ", ");
- rb_str_append(str, family);
- if (!rb_getnameinfo(&addr.addr, len, hbuf, sizeof(hbuf),
- pbuf, sizeof(pbuf), NI_NUMERICHOST | NI_NUMERICSERV)) {
- rb_str_cat_cstr(str, ", ");
- rb_str_cat_cstr(str, hbuf);
- rb_str_cat_cstr(str, ", ");
- rb_str_cat_cstr(str, pbuf);
- }
- if (last) rb_str_cat(str, &last, 1);
+ getsockname(fptr->fd, &addr.addr, &len) >= 0 &&
+ (id = rsock_intern_family(addr.addr.sa_family)) != 0) {
+ VALUE family = rb_id2str(id);
+ char hbuf[1024], pbuf[1024];
+ long slen = RSTRING_LEN(str);
+ const char last = (slen > 1 && RSTRING_PTR(str)[slen - 1] == '>') ?
+ (--slen, '>') : 0;
+ str = rb_str_subseq(str, 0, slen);
+ rb_str_cat_cstr(str, ", ");
+ rb_str_append(str, family);
+ if (!rb_getnameinfo(&addr.addr, len, hbuf, sizeof(hbuf),
+ pbuf, sizeof(pbuf), NI_NUMERICHOST | NI_NUMERICSERV)) {
+ rb_str_cat_cstr(str, ", ");
+ rb_str_cat_cstr(str, hbuf);
+ rb_str_cat_cstr(str, ", ");
+ rb_str_cat_cstr(str, pbuf);
+ }
+ if (last) rb_str_cat(str, &last, 1);
}
return str;
}
@@ -274,17 +1517,14 @@ ip_inspect(VALUE sock)
static VALUE
ip_addr(int argc, VALUE *argv, VALUE sock)
{
- rb_io_t *fptr;
union_sockaddr addr;
socklen_t len = (socklen_t)sizeof addr;
int norevlookup;
- GetOpenFile(sock, fptr);
-
if (argc < 1 || !rsock_revlookup_flag(argv[0], &norevlookup))
- norevlookup = fptr->mode & FMODE_NOREVLOOKUP;
- if (getsockname(fptr->fd, &addr.addr, &len) < 0)
- rb_sys_fail("getsockname(2)");
+ norevlookup = rb_io_mode(sock) & FMODE_NOREVLOOKUP;
+ if (getsockname(rb_io_descriptor(sock), &addr.addr, &len) < 0)
+ rb_sys_fail("getsockname(2)");
return rsock_ipaddr(&addr.addr, len, norevlookup);
}
@@ -315,17 +1555,14 @@ ip_addr(int argc, VALUE *argv, VALUE sock)
static VALUE
ip_peeraddr(int argc, VALUE *argv, VALUE sock)
{
- rb_io_t *fptr;
union_sockaddr addr;
socklen_t len = (socklen_t)sizeof addr;
int norevlookup;
- GetOpenFile(sock, fptr);
-
if (argc < 1 || !rsock_revlookup_flag(argv[0], &norevlookup))
- norevlookup = fptr->mode & FMODE_NOREVLOOKUP;
- if (getpeername(fptr->fd, &addr.addr, &len) < 0)
- rb_sys_fail("getpeername(2)");
+ norevlookup = rb_io_mode(sock) & FMODE_NOREVLOOKUP;
+ if (getpeername(rb_io_descriptor(sock), &addr.addr, &len) < 0)
+ rb_sys_fail("getpeername(2)");
return rsock_ipaddr(&addr.addr, len, norevlookup);
}
@@ -372,7 +1609,7 @@ static VALUE
ip_s_getaddress(VALUE obj, VALUE host)
{
union_sockaddr addr;
- struct rb_addrinfo *res = rsock_addrinfo(host, Qnil, AF_UNSPEC, SOCK_STREAM, 0);
+ struct rb_addrinfo *res = rsock_addrinfo(host, Qnil, AF_UNSPEC, SOCK_STREAM, 0, Qnil);
socklen_t len = res->ai->ai_addrlen;
/* just take the first one */