X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Fsessiond-comm.c;h=65952b273eaf49c52a17955ab6bda441bd65f554;hp=64223df47bc45038ead29c02f4657b5b0a9c3d11;hb=783a3b9aa609d6805e1463655d25c7ae176c4859;hpb=bc1822412cd0b91e16119ae75755ed4cd414d992 diff --git a/src/common/sessiond-comm/sessiond-comm.c b/src/common/sessiond-comm/sessiond-comm.c index 64223df47..65952b273 100644 --- a/src/common/sessiond-comm/sessiond-comm.c +++ b/src/common/sessiond-comm/sessiond-comm.c @@ -38,6 +38,8 @@ /* For Inet6 socket */ #include "inet6.h" +#define NETWORK_TIMEOUT_ENV "LTTNG_NETWORK_SOCKET_TIMEOUT" + static struct lttcomm_net_family net_families[] = { { LTTCOMM_INET, lttcomm_create_inet_sock }, { LTTCOMM_INET6, lttcomm_create_inet6_sock }, @@ -61,11 +63,17 @@ static const char *lttcomm_readable_code[] = { [ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_EINVAL) ] = "consumerd splice EINVAL", [ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_ENOMEM) ] = "consumerd splice ENOMEM", [ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_SPLICE_ESPIPE) ] = "consumerd splice ESPIPE", + [ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_ENOMEM) ] = "Consumer is out of memory", + [ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_ERROR_METADATA) ] = "Error with metadata", + [ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_FATAL) ] = "Fatal error", + [ LTTCOMM_ERR_INDEX(LTTCOMM_CONSUMERD_RELAYD_FAIL) ] = "Error on remote relayd", /* Last element */ [ LTTCOMM_ERR_INDEX(LTTCOMM_NR) ] = "Unknown error code" }; +static unsigned long network_timeout; + /* * Return ptr to string representing a human readable error code from the * lttcomm_return_code enum. @@ -364,3 +372,70 @@ error_free: error: return NULL; } + +/* + * Set socket receiving timeout. + */ +LTTNG_HIDDEN +int lttcomm_setsockopt_rcv_timeout(int sock, unsigned int msec) +{ + int ret; + struct timeval tv; + + tv.tv_sec = msec / 1000; + tv.tv_usec = (msec % 1000) * 1000; + + ret = setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)); + if (ret < 0) { + PERROR("setsockopt SO_RCVTIMEO"); + } + + return ret; +} + +/* + * Set socket sending timeout. + */ +LTTNG_HIDDEN +int lttcomm_setsockopt_snd_timeout(int sock, unsigned int msec) +{ + int ret; + struct timeval tv; + + tv.tv_sec = msec / 1000; + tv.tv_usec = (msec % 1000) * 1000; + + ret = setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof(tv)); + if (ret < 0) { + PERROR("setsockopt SO_SNDTIMEO"); + } + + return ret; +} + +LTTNG_HIDDEN +void lttcomm_init(void) +{ + const char *env; + + env = getenv(NETWORK_TIMEOUT_ENV); + if (env) { + long timeout; + + errno = 0; + timeout = strtol(env, NULL, 0); + if (errno != 0 || timeout < -1L) { + PERROR("Network timeout"); + } else { + if (timeout > 0) { + network_timeout = timeout; + } + } + } +} + +LTTNG_HIDDEN +unsigned long lttcomm_get_network_timeout(void) +{ + return network_timeout; +}