diff options
Diffstat (limited to 'src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/common/posix/posix_socket.c')
-rw-r--r-- | src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/common/posix/posix_socket.c | 1028 |
1 files changed, 1028 insertions, 0 deletions
diff --git a/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/common/posix/posix_socket.c b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/common/posix/posix_socket.c new file mode 100644 index 000000000..e33781d7d --- /dev/null +++ b/src/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/shared/platform/common/posix/posix_socket.c @@ -0,0 +1,1028 @@ +/* + * Copyright (C) 2021 Intel Corporation. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception + */ + +#include "platform_api_vmcore.h" +#include "platform_api_extension.h" + +#include <arpa/inet.h> +#include <netdb.h> +#include <netinet/tcp.h> +#include <netinet/in.h> + +static bool +textual_addr_to_sockaddr(const char *textual, int port, struct sockaddr *out, + socklen_t *out_len) +{ + struct sockaddr_in *v4; +#ifdef IPPROTO_IPV6 + struct sockaddr_in6 *v6; +#endif + + assert(textual); + + v4 = (struct sockaddr_in *)out; + if (inet_pton(AF_INET, textual, &v4->sin_addr.s_addr) == 1) { + v4->sin_family = AF_INET; + v4->sin_port = htons(port); + *out_len = sizeof(struct sockaddr_in); + return true; + } + +#ifdef IPPROTO_IPV6 + v6 = (struct sockaddr_in6 *)out; + if (inet_pton(AF_INET6, textual, &v6->sin6_addr.s6_addr) == 1) { + v6->sin6_family = AF_INET6; + v6->sin6_port = htons(port); + *out_len = sizeof(struct sockaddr_in6); + return true; + } +#endif + + return false; +} + +static int +sockaddr_to_bh_sockaddr(const struct sockaddr *sockaddr, + bh_sockaddr_t *bh_sockaddr) +{ + switch (sockaddr->sa_family) { + case AF_INET: + { + struct sockaddr_in *addr = (struct sockaddr_in *)sockaddr; + + bh_sockaddr->port = ntohs(addr->sin_port); + bh_sockaddr->addr_bufer.ipv4 = ntohl(addr->sin_addr.s_addr); + bh_sockaddr->is_ipv4 = true; + return BHT_OK; + } +#ifdef IPPROTO_IPV6 + case AF_INET6: + { + struct sockaddr_in6 *addr = (struct sockaddr_in6 *)sockaddr; + size_t i; + + bh_sockaddr->port = ntohs(addr->sin6_port); + + for (i = 0; i < sizeof(bh_sockaddr->addr_bufer.ipv6) + / sizeof(bh_sockaddr->addr_bufer.ipv6[0]); + i++) { + uint16 part_addr = addr->sin6_addr.s6_addr[i * 2] + | (addr->sin6_addr.s6_addr[i * 2 + 1] << 8); + bh_sockaddr->addr_bufer.ipv6[i] = ntohs(part_addr); + } + + bh_sockaddr->is_ipv4 = false; + return BHT_OK; + } +#endif + default: + errno = EAFNOSUPPORT; + return BHT_ERROR; + } +} + +static void +bh_sockaddr_to_sockaddr(const bh_sockaddr_t *bh_sockaddr, + struct sockaddr_storage *sockaddr, socklen_t *socklen) +{ + if (bh_sockaddr->is_ipv4) { + struct sockaddr_in *addr = (struct sockaddr_in *)sockaddr; + addr->sin_port = htons(bh_sockaddr->port); + addr->sin_family = AF_INET; + addr->sin_addr.s_addr = htonl(bh_sockaddr->addr_bufer.ipv4); + *socklen = sizeof(*addr); + } +#ifdef IPPROTO_IPV6 + else { + struct sockaddr_in6 *addr = (struct sockaddr_in6 *)sockaddr; + size_t i; + addr->sin6_port = htons(bh_sockaddr->port); + addr->sin6_family = AF_INET6; + + for (i = 0; i < sizeof(bh_sockaddr->addr_bufer.ipv6) + / sizeof(bh_sockaddr->addr_bufer.ipv6[0]); + i++) { + uint16 part_addr = htons(bh_sockaddr->addr_bufer.ipv6[i]); + addr->sin6_addr.s6_addr[i * 2] = 0xff & part_addr; + addr->sin6_addr.s6_addr[i * 2 + 1] = (0xff00 & part_addr) >> 8; + } + + *socklen = sizeof(*addr); + } +#endif +} + +int +os_socket_create(bh_socket_t *sock, bool is_ipv4, bool is_tcp) +{ + int af = is_ipv4 ? AF_INET : AF_INET6; + + if (!sock) { + return BHT_ERROR; + } + + if (is_tcp) { + *sock = socket(af, SOCK_STREAM, IPPROTO_TCP); + } + else { + *sock = socket(af, SOCK_DGRAM, 0); + } + + return (*sock == -1) ? BHT_ERROR : BHT_OK; +} + +int +os_socket_bind(bh_socket_t socket, const char *host, int *port) +{ + struct sockaddr_storage addr = { 0 }; + struct linger ling; + socklen_t socklen; + int ret; + + assert(host); + assert(port); + + ling.l_onoff = 1; + ling.l_linger = 0; + + if (!textual_addr_to_sockaddr(host, *port, (struct sockaddr *)&addr, + &socklen)) { + goto fail; + } + + ret = fcntl(socket, F_SETFD, FD_CLOEXEC); + if (ret < 0) { + goto fail; + } + + ret = setsockopt(socket, SOL_SOCKET, SO_LINGER, &ling, sizeof(ling)); + if (ret < 0) { + goto fail; + } + + ret = bind(socket, (struct sockaddr *)&addr, socklen); + if (ret < 0) { + goto fail; + } + + socklen = sizeof(addr); + if (getsockname(socket, (void *)&addr, &socklen) == -1) { + goto fail; + } + + if (addr.ss_family == AF_INET) { + *port = ntohs(((struct sockaddr_in *)&addr)->sin_port); + } + else { +#ifdef IPPROTO_IPV6 + *port = ntohs(((struct sockaddr_in6 *)&addr)->sin6_port); +#else + goto fail; +#endif + } + + return BHT_OK; + +fail: + return BHT_ERROR; +} + +int +os_socket_settimeout(bh_socket_t socket, uint64 timeout_us) +{ + struct timeval tv; + tv.tv_sec = timeout_us / 1000000UL; + tv.tv_usec = timeout_us % 1000000UL; + + if (setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, (const char *)&tv, + sizeof(tv)) + != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_listen(bh_socket_t socket, int max_client) +{ + if (listen(socket, max_client) != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_accept(bh_socket_t server_sock, bh_socket_t *sock, void *addr, + unsigned int *addrlen) +{ + *sock = accept(server_sock, addr, addrlen); + + if (*sock < 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_connect(bh_socket_t socket, const char *addr, int port) +{ + struct sockaddr_storage addr_in = { 0 }; + socklen_t addr_len; + int ret = 0; + + if (!textual_addr_to_sockaddr(addr, port, (struct sockaddr *)&addr_in, + &addr_len)) { + return BHT_ERROR; + } + + ret = connect(socket, (struct sockaddr *)&addr_in, addr_len); + if (ret == -1) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_recv(bh_socket_t socket, void *buf, unsigned int len) +{ + return recv(socket, buf, len, 0); +} + +int +os_socket_recv_from(bh_socket_t socket, void *buf, unsigned int len, int flags, + bh_sockaddr_t *src_addr) +{ + struct sockaddr_storage sock_addr = { 0 }; + socklen_t socklen = sizeof(sock_addr); + int ret; + + ret = recvfrom(socket, buf, len, flags, (struct sockaddr *)&sock_addr, + &socklen); + + if (ret < 0) { + return ret; + } + + if (src_addr && socklen > 0) { + if (sockaddr_to_bh_sockaddr((struct sockaddr *)&sock_addr, src_addr) + == BHT_ERROR) { + return -1; + } + } + + return ret; +} + +int +os_socket_send(bh_socket_t socket, const void *buf, unsigned int len) +{ + return send(socket, buf, len, 0); +} + +int +os_socket_send_to(bh_socket_t socket, const void *buf, unsigned int len, + int flags, const bh_sockaddr_t *dest_addr) +{ + struct sockaddr_storage sock_addr = { 0 }; + socklen_t socklen = 0; + + bh_sockaddr_to_sockaddr(dest_addr, &sock_addr, &socklen); + + return sendto(socket, buf, len, flags, (const struct sockaddr *)&sock_addr, + socklen); +} + +int +os_socket_close(bh_socket_t socket) +{ + close(socket); + return BHT_OK; +} + +int +os_socket_shutdown(bh_socket_t socket) +{ + shutdown(socket, O_RDWR); + return BHT_OK; +} + +int +os_socket_inet_network(bool is_ipv4, const char *cp, bh_ip_addr_buffer_t *out) +{ + if (!cp) + return BHT_ERROR; + + if (is_ipv4) { + if (inet_pton(AF_INET, cp, &out->ipv4) != 1) { + return BHT_ERROR; + } + /* Note: ntohl(INADDR_NONE) == INADDR_NONE */ + out->ipv4 = ntohl(out->ipv4); + } + else { +#ifdef IPPROTO_IPV6 + if (inet_pton(AF_INET6, cp, out->ipv6) != 1) { + return BHT_ERROR; + } + for (int i = 0; i < 8; i++) { + out->ipv6[i] = ntohs(out->ipv6[i]); + } +#else + errno = EAFNOSUPPORT; + return BHT_ERROR; +#endif + } + + return BHT_OK; +} + +static int +getaddrinfo_error_to_errno(int error) +{ + switch (error) { + case EAI_AGAIN: + return EAGAIN; + case EAI_FAIL: + return EFAULT; + case EAI_MEMORY: + return ENOMEM; + case EAI_SYSTEM: + return errno; + default: + return EINVAL; + } +} + +static int +is_addrinfo_supported(struct addrinfo *info) +{ + return + // Allow only IPv4 and IPv6 + (info->ai_family == AF_INET || info->ai_family == AF_INET6) + // Allow only UDP and TCP + && (info->ai_socktype == SOCK_DGRAM || info->ai_socktype == SOCK_STREAM) + && (info->ai_protocol == IPPROTO_TCP + || info->ai_protocol == IPPROTO_UDP); +} + +int +os_socket_addr_resolve(const char *host, const char *service, + uint8_t *hint_is_tcp, uint8_t *hint_is_ipv4, + bh_addr_info_t *addr_info, size_t addr_info_size, + size_t *max_info_size) +{ + struct addrinfo hints = { 0 }, *res, *result; + int hints_enabled = hint_is_tcp || hint_is_ipv4; + int ret; + size_t pos = 0; + + if (hints_enabled) { + if (hint_is_ipv4) { + hints.ai_family = *hint_is_ipv4 ? AF_INET : AF_INET6; + } + if (hint_is_tcp) { + hints.ai_socktype = *hint_is_tcp ? SOCK_STREAM : SOCK_DGRAM; + } + } + + ret = getaddrinfo(host, strlen(service) == 0 ? NULL : service, + hints_enabled ? &hints : NULL, &result); + if (ret != BHT_OK) { + errno = getaddrinfo_error_to_errno(ret); + return BHT_ERROR; + } + + res = result; + while (res) { + if (addr_info_size > pos) { + if (!is_addrinfo_supported(res)) { + res = res->ai_next; + continue; + } + + ret = + sockaddr_to_bh_sockaddr(res->ai_addr, &addr_info[pos].sockaddr); + + if (ret == BHT_ERROR) { + freeaddrinfo(result); + return BHT_ERROR; + } + + addr_info[pos].is_tcp = res->ai_socktype == SOCK_STREAM; + } + + pos++; + res = res->ai_next; + } + + *max_info_size = pos; + freeaddrinfo(result); + + return BHT_OK; +} + +static int +os_socket_setbooloption(bh_socket_t socket, int level, int optname, + bool is_enabled) +{ + int option = (int)is_enabled; + if (setsockopt(socket, level, optname, &option, sizeof(option)) != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +static int +os_socket_getbooloption(bh_socket_t socket, int level, int optname, + bool *is_enabled) +{ + assert(is_enabled); + + int optval; + socklen_t optval_size = sizeof(optval); + if (getsockopt(socket, level, optname, &optval, &optval_size) != 0) { + return BHT_ERROR; + } + *is_enabled = (bool)optval; + return BHT_OK; +} + +int +os_socket_set_send_buf_size(bh_socket_t socket, size_t bufsiz) +{ + int buf_size_int = (int)bufsiz; + if (setsockopt(socket, SOL_SOCKET, SO_SNDBUF, &buf_size_int, + sizeof(buf_size_int)) + != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_get_send_buf_size(bh_socket_t socket, size_t *bufsiz) +{ + assert(bufsiz); + + int buf_size_int; + socklen_t bufsiz_len = sizeof(buf_size_int); + if (getsockopt(socket, SOL_SOCKET, SO_SNDBUF, &buf_size_int, &bufsiz_len) + != 0) { + return BHT_ERROR; + } + *bufsiz = (size_t)buf_size_int; + + return BHT_OK; +} + +int +os_socket_set_recv_buf_size(bh_socket_t socket, size_t bufsiz) +{ + int buf_size_int = (int)bufsiz; + if (setsockopt(socket, SOL_SOCKET, SO_RCVBUF, &buf_size_int, + sizeof(buf_size_int)) + != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_get_recv_buf_size(bh_socket_t socket, size_t *bufsiz) +{ + assert(bufsiz); + + int buf_size_int; + socklen_t bufsiz_len = sizeof(buf_size_int); + if (getsockopt(socket, SOL_SOCKET, SO_RCVBUF, &buf_size_int, &bufsiz_len) + != 0) { + return BHT_ERROR; + } + *bufsiz = (size_t)buf_size_int; + + return BHT_OK; +} + +int +os_socket_set_keep_alive(bh_socket_t socket, bool is_enabled) +{ + return os_socket_setbooloption(socket, SOL_SOCKET, SO_KEEPALIVE, + is_enabled); +} + +int +os_socket_get_keep_alive(bh_socket_t socket, bool *is_enabled) +{ + return os_socket_getbooloption(socket, SOL_SOCKET, SO_KEEPALIVE, + is_enabled); +} + +int +os_socket_set_reuse_addr(bh_socket_t socket, bool is_enabled) +{ + return os_socket_setbooloption(socket, SOL_SOCKET, SO_REUSEADDR, + is_enabled); +} + +int +os_socket_get_reuse_addr(bh_socket_t socket, bool *is_enabled) +{ + return os_socket_getbooloption(socket, SOL_SOCKET, SO_REUSEADDR, + is_enabled); +} + +int +os_socket_set_reuse_port(bh_socket_t socket, bool is_enabled) +{ +#if defined(SO_REUSEPORT) /* NuttX doesn't have SO_REUSEPORT */ + return os_socket_setbooloption(socket, SOL_SOCKET, SO_REUSEPORT, + is_enabled); +#else + errno = ENOTSUP; + return BHT_ERROR; +#endif /* defined(SO_REUSEPORT) */ +} + +int +os_socket_get_reuse_port(bh_socket_t socket, bool *is_enabled) +{ +#if defined(SO_REUSEPORT) /* NuttX doesn't have SO_REUSEPORT */ + return os_socket_getbooloption(socket, SOL_SOCKET, SO_REUSEPORT, + is_enabled); +#else + errno = ENOTSUP; + return BHT_ERROR; +#endif /* defined(SO_REUSEPORT) */ +} + +int +os_socket_set_linger(bh_socket_t socket, bool is_enabled, int linger_s) +{ + struct linger linger_opts = { .l_onoff = (int)is_enabled, + .l_linger = linger_s }; + if (setsockopt(socket, SOL_SOCKET, SO_LINGER, &linger_opts, + sizeof(linger_opts)) + != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_get_linger(bh_socket_t socket, bool *is_enabled, int *linger_s) +{ + assert(is_enabled); + assert(linger_s); + + struct linger linger_opts; + socklen_t linger_opts_len = sizeof(linger_opts); + if (getsockopt(socket, SOL_SOCKET, SO_LINGER, &linger_opts, + &linger_opts_len) + != 0) { + return BHT_ERROR; + } + *linger_s = linger_opts.l_linger; + *is_enabled = (bool)linger_opts.l_onoff; + return BHT_OK; +} + +int +os_socket_set_tcp_no_delay(bh_socket_t socket, bool is_enabled) +{ + return os_socket_setbooloption(socket, IPPROTO_TCP, TCP_NODELAY, + is_enabled); +} + +int +os_socket_get_tcp_no_delay(bh_socket_t socket, bool *is_enabled) +{ + return os_socket_getbooloption(socket, IPPROTO_TCP, TCP_NODELAY, + is_enabled); +} + +int +os_socket_set_tcp_quick_ack(bh_socket_t socket, bool is_enabled) +{ +#ifdef TCP_QUICKACK + return os_socket_setbooloption(socket, IPPROTO_TCP, TCP_QUICKACK, + is_enabled); +#else + errno = ENOSYS; + + return BHT_ERROR; +#endif +} + +int +os_socket_get_tcp_quick_ack(bh_socket_t socket, bool *is_enabled) +{ +#ifdef TCP_QUICKACK + return os_socket_getbooloption(socket, IPPROTO_TCP, TCP_QUICKACK, + is_enabled); +#else + errno = ENOSYS; + + return BHT_ERROR; +#endif +} + +int +os_socket_set_tcp_keep_idle(bh_socket_t socket, uint32 time_s) +{ + int time_s_int = (int)time_s; +#ifdef TCP_KEEPIDLE + if (setsockopt(socket, IPPROTO_TCP, TCP_KEEPIDLE, &time_s_int, + sizeof(time_s_int)) + != 0) { + return BHT_ERROR; + } + return BHT_OK; +#elif defined(TCP_KEEPALIVE) + if (setsockopt(socket, IPPROTO_TCP, TCP_KEEPALIVE, &time_s_int, + sizeof(time_s_int)) + != 0) { + return BHT_ERROR; + } + return BHT_OK; +#else + errno = ENOSYS; + + return BHT_ERROR; +#endif +} + +int +os_socket_get_tcp_keep_idle(bh_socket_t socket, uint32 *time_s) +{ + assert(time_s); + int time_s_int; + socklen_t time_s_len = sizeof(time_s_int); +#ifdef TCP_KEEPIDLE + if (getsockopt(socket, IPPROTO_TCP, TCP_KEEPIDLE, &time_s_int, &time_s_len) + != 0) { + return BHT_ERROR; + } + *time_s = (uint32)time_s_int; + return BHT_OK; +#elif defined(TCP_KEEPALIVE) + if (getsockopt(socket, IPPROTO_TCP, TCP_KEEPALIVE, &time_s_int, &time_s_len) + != 0) { + return BHT_ERROR; + } + *time_s = (uint32)time_s_int; + return BHT_OK; +#else + errno = ENOSYS; + + return BHT_ERROR; +#endif +} + +int +os_socket_set_tcp_keep_intvl(bh_socket_t socket, uint32 time_s) +{ + int time_s_int = (int)time_s; +#ifdef TCP_KEEPINTVL + if (setsockopt(socket, IPPROTO_TCP, TCP_KEEPINTVL, &time_s_int, + sizeof(time_s_int)) + != 0) { + return BHT_ERROR; + } + + return BHT_OK; +#else + errno = ENOSYS; + + return BHT_ERROR; +#endif +} + +int +os_socket_get_tcp_keep_intvl(bh_socket_t socket, uint32 *time_s) +{ +#ifdef TCP_KEEPINTVL + assert(time_s); + int time_s_int; + socklen_t time_s_len = sizeof(time_s_int); + if (getsockopt(socket, IPPROTO_TCP, TCP_KEEPINTVL, &time_s_int, &time_s_len) + != 0) { + return BHT_ERROR; + } + *time_s = (uint32)time_s_int; + return BHT_OK; +#else + errno = ENOSYS; + + return BHT_ERROR; +#endif +} + +int +os_socket_set_tcp_fastopen_connect(bh_socket_t socket, bool is_enabled) +{ +#ifdef TCP_FASTOPEN_CONNECT + return os_socket_setbooloption(socket, IPPROTO_TCP, TCP_FASTOPEN_CONNECT, + is_enabled); +#else + errno = ENOSYS; + + return BHT_ERROR; +#endif +} + +int +os_socket_get_tcp_fastopen_connect(bh_socket_t socket, bool *is_enabled) +{ +#ifdef TCP_FASTOPEN_CONNECT + return os_socket_getbooloption(socket, IPPROTO_TCP, TCP_FASTOPEN_CONNECT, + is_enabled); +#else + errno = ENOSYS; + + return BHT_ERROR; +#endif +} + +int +os_socket_set_ip_multicast_loop(bh_socket_t socket, bool ipv6, bool is_enabled) +{ + if (ipv6) { +#ifdef IPPROTO_IPV6 + return os_socket_setbooloption(socket, IPPROTO_IPV6, + IPV6_MULTICAST_LOOP, is_enabled); +#else + errno = EAFNOSUPPORT; + return BHT_ERROR; +#endif + } + else { + return os_socket_setbooloption(socket, IPPROTO_IP, IP_MULTICAST_LOOP, + is_enabled); + } +} + +int +os_socket_get_ip_multicast_loop(bh_socket_t socket, bool ipv6, bool *is_enabled) +{ + if (ipv6) { +#ifdef IPPROTO_IPV6 + return os_socket_getbooloption(socket, IPPROTO_IPV6, + IPV6_MULTICAST_LOOP, is_enabled); +#else + errno = EAFNOSUPPORT; + return BHT_ERROR; +#endif + } + else { + return os_socket_getbooloption(socket, IPPROTO_IP, IP_MULTICAST_LOOP, + is_enabled); + } +} + +int +os_socket_set_ip_add_membership(bh_socket_t socket, + bh_ip_addr_buffer_t *imr_multiaddr, + uint32_t imr_interface, bool is_ipv6) +{ + assert(imr_multiaddr); + if (is_ipv6) { +#ifdef IPPROTO_IPV6 + struct ipv6_mreq mreq; + for (int i = 0; i < 8; i++) { + ((uint16_t *)mreq.ipv6mr_multiaddr.s6_addr)[i] = + imr_multiaddr->ipv6[i]; + } + mreq.ipv6mr_interface = imr_interface; + if (setsockopt(socket, IPPROTO_IPV6, IPV6_JOIN_GROUP, &mreq, + sizeof(mreq)) + != 0) { + return BHT_ERROR; + } +#else + errno = EAFNOSUPPORT; + return BHT_ERROR; +#endif + } + else { + struct ip_mreq mreq; + mreq.imr_multiaddr.s_addr = imr_multiaddr->ipv4; + mreq.imr_interface.s_addr = imr_interface; + if (setsockopt(socket, IPPROTO_IP, IP_ADD_MEMBERSHIP, &mreq, + sizeof(mreq)) + != 0) { + return BHT_ERROR; + } + } + + return BHT_OK; +} + +int +os_socket_set_ip_drop_membership(bh_socket_t socket, + bh_ip_addr_buffer_t *imr_multiaddr, + uint32_t imr_interface, bool is_ipv6) +{ + assert(imr_multiaddr); + if (is_ipv6) { +#ifdef IPPROTO_IPV6 + struct ipv6_mreq mreq; + for (int i = 0; i < 8; i++) { + ((uint16_t *)mreq.ipv6mr_multiaddr.s6_addr)[i] = + imr_multiaddr->ipv6[i]; + } + mreq.ipv6mr_interface = imr_interface; + if (setsockopt(socket, IPPROTO_IPV6, IPV6_LEAVE_GROUP, &mreq, + sizeof(mreq)) + != 0) { + return BHT_ERROR; + } +#else + errno = EAFNOSUPPORT; + return BHT_ERROR; +#endif + } + else { + struct ip_mreq mreq; + mreq.imr_multiaddr.s_addr = imr_multiaddr->ipv4; + mreq.imr_interface.s_addr = imr_interface; + if (setsockopt(socket, IPPROTO_IP, IP_DROP_MEMBERSHIP, &mreq, + sizeof(mreq)) + != 0) { + return BHT_ERROR; + } + } + + return BHT_OK; +} + +int +os_socket_set_ip_ttl(bh_socket_t socket, uint8_t ttl_s) +{ + if (setsockopt(socket, IPPROTO_IP, IP_TTL, &ttl_s, sizeof(ttl_s)) != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_get_ip_ttl(bh_socket_t socket, uint8_t *ttl_s) +{ + socklen_t opt_len = sizeof(ttl_s); + if (getsockopt(socket, IPPROTO_IP, IP_TTL, ttl_s, &opt_len) != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_set_ip_multicast_ttl(bh_socket_t socket, uint8_t ttl_s) +{ + if (setsockopt(socket, IPPROTO_IP, IP_MULTICAST_TTL, &ttl_s, sizeof(ttl_s)) + != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_get_ip_multicast_ttl(bh_socket_t socket, uint8_t *ttl_s) +{ + socklen_t opt_len = sizeof(ttl_s); + if (getsockopt(socket, IPPROTO_IP, IP_MULTICAST_TTL, ttl_s, &opt_len) + != 0) { + return BHT_ERROR; + } + + return BHT_OK; +} + +int +os_socket_set_ipv6_only(bh_socket_t socket, bool is_enabled) +{ +#ifdef IPPROTO_IPV6 + return os_socket_setbooloption(socket, IPPROTO_IPV6, IPV6_V6ONLY, + is_enabled); +#else + errno = EAFNOSUPPORT; + return BHT_ERROR; +#endif +} + +int +os_socket_get_ipv6_only(bh_socket_t socket, bool *is_enabled) +{ +#ifdef IPPROTO_IPV6 + return os_socket_getbooloption(socket, IPPROTO_IPV6, IPV6_V6ONLY, + is_enabled); +#else + errno = EAFNOSUPPORT; + return BHT_ERROR; +#endif +} + +int +os_socket_set_broadcast(bh_socket_t socket, bool is_enabled) +{ + return os_socket_setbooloption(socket, SOL_SOCKET, SO_BROADCAST, + is_enabled); +} + +int +os_socket_get_broadcast(bh_socket_t socket, bool *is_enabled) +{ + return os_socket_getbooloption(socket, SOL_SOCKET, SO_BROADCAST, + is_enabled); +} + +int +os_socket_set_send_timeout(bh_socket_t socket, uint64 timeout_us) +{ + struct timeval tv; + tv.tv_sec = timeout_us / 1000000UL; + tv.tv_usec = timeout_us % 1000000UL; + if (setsockopt(socket, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv)) != 0) { + return BHT_ERROR; + } + return BHT_OK; +} + +int +os_socket_get_send_timeout(bh_socket_t socket, uint64 *timeout_us) +{ + struct timeval tv; + socklen_t tv_len = sizeof(tv); + if (getsockopt(socket, SOL_SOCKET, SO_SNDTIMEO, &tv, &tv_len) != 0) { + return BHT_ERROR; + } + *timeout_us = (tv.tv_sec * 1000000UL) + tv.tv_usec; + return BHT_OK; +} + +int +os_socket_set_recv_timeout(bh_socket_t socket, uint64 timeout_us) +{ + struct timeval tv; + tv.tv_sec = timeout_us / 1000000UL; + tv.tv_usec = timeout_us % 1000000UL; + if (setsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) != 0) { + return BHT_ERROR; + } + return BHT_OK; +} + +int +os_socket_get_recv_timeout(bh_socket_t socket, uint64 *timeout_us) +{ + struct timeval tv; + socklen_t tv_len = sizeof(tv); + if (getsockopt(socket, SOL_SOCKET, SO_RCVTIMEO, &tv, &tv_len) != 0) { + return BHT_ERROR; + } + *timeout_us = (tv.tv_sec * 1000000UL) + tv.tv_usec; + return BHT_OK; +} + +int +os_socket_addr_local(bh_socket_t socket, bh_sockaddr_t *sockaddr) +{ + struct sockaddr_storage addr_storage = { 0 }; + socklen_t addr_len = sizeof(addr_storage); + int ret; + + ret = getsockname(socket, (struct sockaddr *)&addr_storage, &addr_len); + + if (ret != BHT_OK) { + return BHT_ERROR; + } + + return sockaddr_to_bh_sockaddr((struct sockaddr *)&addr_storage, sockaddr); +} + +int +os_socket_addr_remote(bh_socket_t socket, bh_sockaddr_t *sockaddr) +{ + struct sockaddr_storage addr_storage = { 0 }; + socklen_t addr_len = sizeof(addr_storage); + int ret; + + ret = getpeername(socket, (struct sockaddr *)&addr_storage, &addr_len); + + if (ret != BHT_OK) { + return BHT_ERROR; + } + + return sockaddr_to_bh_sockaddr((struct sockaddr *)&addr_storage, sockaddr); +} |