X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Finet.c;h=e0b3e7a96ffb1d13324ae0bbb9f7b58238df93be;hb=661dfdd190c65bad5a044e21c1d5f9ad59144bf8;hp=b870deef48b325614d73412a169ef086b02f5245;hpb=c2d6932774987366baf42a93461cd73c38f1113a;p=lttng-tools.git diff --git a/src/common/sessiond-comm/inet.c b/src/common/sessiond-comm/inet.c index b870deef4..e0b3e7a96 100644 --- a/src/common/sessiond-comm/inet.c +++ b/src/common/sessiond-comm/inet.c @@ -26,15 +26,14 @@ #include #include #include -#include +#include #include #include +#include #include "inet.h" -#define MSEC_PER_SEC 1000 -#define NSEC_PER_MSEC 1000000 #define RECONNECT_DELAY 200 /* ms */ /* @@ -101,15 +100,9 @@ error: LTTNG_HIDDEN int lttcomm_bind_inet_sock(struct lttcomm_sock *sock) { - int ret; - - ret = bind(sock->fd, (const struct sockaddr *) &sock->sockaddr.addr.sin, + return bind(sock->fd, + (const struct sockaddr *) &sock->sockaddr.addr.sin, sizeof(sock->sockaddr.addr.sin)); - if (ret < 0) { - PERROR("bind inet"); - } - - return ret; } static @@ -159,7 +152,7 @@ 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; @@ -177,6 +170,8 @@ 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. @@ -203,17 +198,20 @@ 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; @@ -386,18 +384,22 @@ ssize_t lttcomm_recvmsg_inet_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); } } while ((ret > 0 && ret < len_last) || (ret < 0 && errno == EINTR)); + if (ret < 0) { PERROR("recvmsg inet"); } else if (ret > 0) { ret = len; } /* Else ret = 0 meaning an orderly shutdown. */ - +end: return ret; }