X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Finet6.c;h=dfb5fc5d1238c1b5cc6aa1b55cd0536b65ffec85;hb=dbd512ea8aa5349849aeeccda6130aa9e28cf23c;hp=9eab3fa2fe7e15bc0c5d6d1417bc7f96d2150cbf;hpb=6c1c0768320135c6936c371b09731851b508c023;p=lttng-tools.git diff --git a/src/common/sessiond-comm/inet6.c b/src/common/sessiond-comm/inet6.c index 9eab3fa2f..dfb5fc5d1 100644 --- a/src/common/sessiond-comm/inet6.c +++ b/src/common/sessiond-comm/inet6.c @@ -15,7 +15,6 @@ * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#define _GNU_SOURCE #define _LGPL_SOURCE #include #include @@ -27,15 +26,14 @@ #include #include #include -#include +#include #include #include +#include #include "inet6.h" -#define MSEC_PER_SEC 1000 -#define NSEC_PER_MSEC 1000000 #define RECONNECT_DELAY 200 /* ms */ /* @@ -100,15 +98,9 @@ error: LTTNG_HIDDEN int lttcomm_bind_inet6_sock(struct lttcomm_sock *sock) { - int ret; - - ret = bind(sock->fd, &sock->sockaddr.addr.sin6, + return bind(sock->fd, + (const struct sockaddr *) &sock->sockaddr.addr.sin6, sizeof(sock->sockaddr.addr.sin6)); - if (ret < 0) { - PERROR("bind inet6"); - } - - return ret; } static @@ -158,7 +150,7 @@ int connect_with_timeout(struct lttcomm_sock *sock) return -1; } - ret = clock_gettime(CLOCK_MONOTONIC, &orig_time); + ret = lttng_clock_gettime(CLOCK_MONOTONIC, &orig_time); if (ret == -1) { PERROR("clock_gettime"); return -1; @@ -176,6 +168,9 @@ int connect_with_timeout(struct lttcomm_sock *sock) goto success; } + DBG("Asynchronous connect for sock %d, performing polling with" + " timeout: %lums", sock->fd, timeout); + /* * Perform poll loop following EINPROGRESS recommendation from * connect(2) man page. @@ -202,17 +197,20 @@ int connect_with_timeout(struct lttcomm_sock *sock) ret = getsockopt(sock->fd, SOL_SOCKET, SO_ERROR, &optval, &optval_len); if (ret) { + PERROR("getsockopt"); goto error; } if (!optval) { connect_ret = 0; goto success; } else { + /* Get actual connect() errno from opt_val */ + errno = optval; goto error; } } /* ret == 0: timeout */ - ret = clock_gettime(CLOCK_MONOTONIC, &cur_time); + ret = lttng_clock_gettime(CLOCK_MONOTONIC, &cur_time); if (ret == -1) { PERROR("clock_gettime"); connect_ret = ret; @@ -366,6 +364,9 @@ ssize_t lttcomm_recvmsg_inet6_sock(struct lttcomm_sock *sock, void *buf, len_last = iov[0].iov_len; ret = recvmsg(sock->fd, &msg, flags); if (ret > 0) { + if (flags & MSG_DONTWAIT) { + goto end; + } iov[0].iov_base += ret; iov[0].iov_len -= ret; assert(ret <= len_last); @@ -377,7 +378,7 @@ ssize_t lttcomm_recvmsg_inet6_sock(struct lttcomm_sock *sock, void *buf, ret = len; } /* Else ret = 0 meaning an orderly shutdown. */ - +end: return ret; } @@ -387,7 +388,7 @@ ssize_t lttcomm_recvmsg_inet6_sock(struct lttcomm_sock *sock, void *buf, * Return the size of sent data. */ LTTNG_HIDDEN -ssize_t lttcomm_sendmsg_inet6_sock(struct lttcomm_sock *sock, void *buf, +ssize_t lttcomm_sendmsg_inet6_sock(struct lttcomm_sock *sock, const void *buf, size_t len, int flags) { struct msghdr msg; @@ -396,7 +397,7 @@ ssize_t lttcomm_sendmsg_inet6_sock(struct lttcomm_sock *sock, void *buf, memset(&msg, 0, sizeof(msg)); - iov[0].iov_base = buf; + iov[0].iov_base = (void *) buf; iov[0].iov_len = len; msg.msg_iov = iov; msg.msg_iovlen = 1;