server.c revision 7b8216842eb888ff626f616c2770a2548b0b0bf9
150d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <stdio.h> 250d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <stdlib.h> 3142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe#include <stdarg.h> 450d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <unistd.h> 550d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <limits.h> 650d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <errno.h> 750d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <fcntl.h> 850d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <sys/poll.h> 950d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <sys/types.h> 1050d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <sys/wait.h> 11d05c4a03365f1b677c05840865e67ffaf2c5b05bJens Axboe#include <sys/socket.h> 1287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe#include <sys/stat.h> 1387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe#include <sys/un.h> 1450d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <netinet/in.h> 1550d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <arpa/inet.h> 1650d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include <netdb.h> 17e46d809110bd4ad2980ca64931b683673444454bJens Axboe#include <syslog.h> 189e22ecb0271038f61e00e448d8839f0c1bf6017eJens Axboe#include <signal.h> 1950d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe 2050d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe#include "fio.h" 21132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe#include "server.h" 22fcee5ff6f30d0f05582a378a310ed1f68491766fJens Axboe#include "crc/crc16.h" 23802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe#include "ieee754.h" 2489cf1480594858ad4e02499834c04fe48ff0a89dJens Axboe 2589cf1480594858ad4e02499834c04fe48ff0a89dJens Axboe#include "fio_version.h" 2650d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe 27132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboeint fio_net_port = 8765; 2850d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe 29009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboeint exit_backend = 0; 30009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe 3146c48f1f9b8ce94132c13638e4c83c13e1d392daJens Axboestatic int server_fd = -1; 3287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboestatic char *fio_server_arg; 3387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboestatic char *bind_sock; 3487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboestatic struct sockaddr_in saddr_in; 3537db14feece08eb6e43de87c404180650ed5aa6fJens Axboe 3689c1707cb512e562b55b56c268f7fad612be6f04Jens Axboestatic const char *fio_server_ops[FIO_NET_CMD_NR] = { 3789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "", 3889c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "QUIT", 3989c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "EXIT", 4089c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "JOB", 4189c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "JOBLINE", 4289c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "TEXT", 4389c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "TS", 4489c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "GS", 4589c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "SEND_ETA", 4689c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "ETA", 4789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "PROBE", 4889c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "START", 4989c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe "STOP" 5089c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe}; 5189c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 5289c1707cb512e562b55b56c268f7fad612be6f04Jens Axboeconst char *fio_server_op(unsigned int op) 5389c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe{ 5489c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe static char buf[32]; 5589c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 5689c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe if (op < FIO_NET_CMD_NR) 5789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe return fio_server_ops[op]; 5889c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 5989c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe sprintf(buf, "UNKNOWN/%d", op); 6089c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe return buf; 6189c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe} 6289c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 63132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboeint fio_send_data(int sk, const void *p, unsigned int len) 64132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe{ 65794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_PDU); 66794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe 67132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe do { 68132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe int ret = send(sk, p, len, 0); 69132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 70132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (ret > 0) { 71132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe len -= ret; 72132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (!len) 73132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe break; 74132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe p += ret; 75132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe continue; 76132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } else if (!ret) 77132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe break; 78132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe else if (errno == EAGAIN || errno == EINTR) 79132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe continue; 807b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe else 817b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe break; 82132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } while (!exit_backend); 83132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 84132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (!len) 85132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return 0; 86132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 87132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return 1; 88132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe} 89132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 90132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboeint fio_recv_data(int sk, void *p, unsigned int len) 91132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe{ 92132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe do { 93132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe int ret = recv(sk, p, len, MSG_WAITALL); 94132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 95132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (ret > 0) { 96132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe len -= ret; 97132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (!len) 98132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe break; 99132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe p += ret; 100132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe continue; 101132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } else if (!ret) 102132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe break; 103132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe else if (errno == EAGAIN || errno == EINTR) 104132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe continue; 1057b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe else 1067b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe break; 107132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } while (!exit_backend); 108132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 109132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (!len) 110132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return 0; 111132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 112132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return -1; 113132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe} 114132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 115132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboestatic int verify_convert_cmd(struct fio_net_cmd *cmd) 116132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe{ 117fcee5ff6f30d0f05582a378a310ed1f68491766fJens Axboe uint16_t crc; 118132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 119fcee5ff6f30d0f05582a378a310ed1f68491766fJens Axboe cmd->cmd_crc16 = le16_to_cpu(cmd->cmd_crc16); 120fcee5ff6f30d0f05582a378a310ed1f68491766fJens Axboe cmd->pdu_crc16 = le16_to_cpu(cmd->pdu_crc16); 121132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 122fcee5ff6f30d0f05582a378a310ed1f68491766fJens Axboe crc = crc16(cmd, FIO_NET_CMD_CRC_SZ); 123fcee5ff6f30d0f05582a378a310ed1f68491766fJens Axboe if (crc != cmd->cmd_crc16) { 124132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe log_err("fio: server bad crc on command (got %x, wanted %x)\n", 125fcee5ff6f30d0f05582a378a310ed1f68491766fJens Axboe cmd->cmd_crc16, crc); 126132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return 1; 127132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } 128132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 129132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe cmd->version = le16_to_cpu(cmd->version); 130132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe cmd->opcode = le16_to_cpu(cmd->opcode); 131132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe cmd->flags = le32_to_cpu(cmd->flags); 132af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe cmd->tag = le64_to_cpu(cmd->tag); 133132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe cmd->pdu_len = le32_to_cpu(cmd->pdu_len); 134132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 135132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe switch (cmd->version) { 136fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe case FIO_SERVER_VER: 137132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe break; 138132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe default: 139132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe log_err("fio: bad server cmd version %d\n", cmd->version); 140132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return 1; 141132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } 142132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 143132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (cmd->pdu_len > FIO_SERVER_MAX_PDU) { 144132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe log_err("fio: command payload too large: %u\n", cmd->pdu_len); 145132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return 1; 146132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } 147132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 148132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return 0; 149132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe} 150132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 151a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe/* 152a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe * Read (and defragment, if necessary) incoming commands 153a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe */ 154e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboestruct fio_net_cmd *fio_net_recv_cmd(int sk) 155132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe{ 156a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe struct fio_net_cmd cmd, *cmdret = NULL; 157a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe size_t cmd_size = 0, pdu_offset = 0; 158fcee5ff6f30d0f05582a378a310ed1f68491766fJens Axboe uint16_t crc; 159a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe int ret, first = 1; 160a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe void *pdu = NULL; 161132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 162a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe do { 163a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe ret = fio_recv_data(sk, &cmd, sizeof(cmd)); 164a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe if (ret) 165a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe break; 166132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 167a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe /* We have a command, verify it and swap if need be */ 168a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe ret = verify_convert_cmd(&cmd); 169a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe if (ret) 170a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe break; 171132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 1720b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe if (first) { 1730b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe /* if this is text, add room for \0 at the end */ 1740b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe cmd_size = sizeof(cmd) + cmd.pdu_len + 1; 1750b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe assert(!cmdret); 1760b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe } else 177a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe cmd_size += cmd.pdu_len; 178132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 179a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe cmdret = realloc(cmdret, cmd_size); 180132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 181a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe if (first) 182a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe memcpy(cmdret, &cmd, sizeof(cmd)); 183a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe else 184a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe assert(cmdret->opcode == cmd.opcode); 185a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 186a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe if (!cmd.pdu_len) 187a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe break; 188a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 189a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe /* There's payload, get it */ 190a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe pdu = (void *) cmdret->payload + pdu_offset; 191a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe ret = fio_recv_data(sk, pdu, cmd.pdu_len); 192a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe if (ret) 193a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe break; 194a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 195a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe /* Verify payload crc */ 196a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe crc = crc16(pdu, cmd.pdu_len); 197a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe if (crc != cmd.pdu_crc16) { 198a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe log_err("fio: server bad crc on payload "); 199a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe log_err("(got %x, wanted %x)\n", cmd.pdu_crc16, crc); 200a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe ret = 1; 201a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe break; 202a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe } 203a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 204a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe pdu_offset += cmd.pdu_len; 205817f06bbc52aea4011ab975d8fa3e3f1065c6065Jens Axboe if (!first) 206817f06bbc52aea4011ab975d8fa3e3f1065c6065Jens Axboe cmdret->pdu_len += cmd.pdu_len; 207a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe first = 0; 208a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe } while (cmd.flags & FIO_NET_CMD_F_MORE); 209132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 210a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe if (ret) { 211a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe free(cmdret); 212a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe cmdret = NULL; 2130b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe } else if (cmdret) { 2140b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe /* zero-terminate text input */ 2150b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe if (cmdret->pdu_len && (cmdret->opcode == FIO_NET_CMD_TEXT || 2160b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe cmdret->opcode == FIO_NET_CMD_JOB)) { 2170b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe char *buf = (char *) cmdret->payload; 2180b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe 2190b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe buf[cmdret->pdu_len ] = '\0'; 2200b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe } 2210b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe /* frag flag is internal */ 222a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe cmdret->flags &= ~FIO_NET_CMD_F_MORE; 2230b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe } 224a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 225a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe return cmdret; 226132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe} 227132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 228132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboevoid fio_net_cmd_crc(struct fio_net_cmd *cmd) 229132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe{ 230132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe uint32_t pdu_len; 231132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 232ddcc0b69aa4ed04c8681f447a1a6274bb8837a14Jens Axboe cmd->cmd_crc16 = __cpu_to_le16(crc16(cmd, FIO_NET_CMD_CRC_SZ)); 233132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 234132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe pdu_len = le32_to_cpu(cmd->pdu_len); 235132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (pdu_len) 236ddcc0b69aa4ed04c8681f447a1a6274bb8837a14Jens Axboe cmd->pdu_crc16 = __cpu_to_le16(crc16(cmd->payload, pdu_len)); 237132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe} 238132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 239af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboeint fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, 240af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe uint64_t tag) 241794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe{ 2427f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe struct fio_net_cmd *cmd = NULL; 2437f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe size_t this_len, cur_len = 0; 244794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe int ret; 245794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe 246794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe do { 247794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe this_len = size; 248794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe if (this_len > FIO_SERVER_MAX_PDU) 249794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe this_len = FIO_SERVER_MAX_PDU; 250794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe 2517f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe if (!cmd || cur_len < sizeof(*cmd) + this_len) { 2527f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe if (cmd) 2537f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe free(cmd); 2547f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe 2557f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe cur_len = sizeof(*cmd) + this_len; 2567f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe cmd = malloc(cur_len); 2577f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe } 258794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe 259af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe fio_init_net_cmd(cmd, opcode, buf, this_len, tag); 260794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe 261794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe if (this_len < size) 262ddcc0b69aa4ed04c8681f447a1a6274bb8837a14Jens Axboe cmd->flags = __cpu_to_le32(FIO_NET_CMD_F_MORE); 263794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe 264794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe fio_net_cmd_crc(cmd); 265794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe 266794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe ret = fio_send_data(fd, cmd, sizeof(*cmd) + this_len); 267794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe size -= this_len; 268794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe buf += this_len; 269794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe } while (!ret && size); 270794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe 2717f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe if (cmd) 2727f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe free(cmd); 2737f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe 274794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe return ret; 275794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe} 276794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe 27789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboestatic int fio_net_send_simple_stack_cmd(int sk, uint16_t opcode, uint64_t tag) 278132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe{ 279178cde9ff403da53428c5962b8600e47b4580d80Jens Axboe struct fio_net_cmd cmd; 280132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 281af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe fio_init_net_cmd(&cmd, opcode, NULL, 0, tag); 282132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe fio_net_cmd_crc(&cmd); 283132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 284132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return fio_send_data(sk, &cmd, sizeof(cmd)); 285132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe} 286132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 28789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe/* 28889c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe * If 'list' is non-NULL, then allocate and store the sent command for 28989c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe * later verification. 29089c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe */ 29189c1707cb512e562b55b56c268f7fad612be6f04Jens Axboeint fio_net_send_simple_cmd(int sk, uint16_t opcode, uint64_t tag, 29289c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe struct flist_head *list) 29389c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe{ 29489c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe struct fio_net_int_cmd *cmd; 29589c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe int ret; 29689c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 29789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe if (!list) 29889c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe return fio_net_send_simple_stack_cmd(sk, opcode, tag); 29989c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 30089c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe cmd = malloc(sizeof(*cmd)); 30189c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 30289c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe fio_init_net_cmd(&cmd->cmd, opcode, NULL, 0, (uint64_t) cmd); 30389c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe fio_net_cmd_crc(&cmd->cmd); 30489c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 30589c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe INIT_FLIST_HEAD(&cmd->list); 30689c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe gettimeofday(&cmd->tv, NULL); 30789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe cmd->saved_tag = tag; 30889c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 30989c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe ret = fio_send_data(sk, &cmd->cmd, sizeof(cmd->cmd)); 31089c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe if (ret) { 31189c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe free(cmd); 31289c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe return ret; 31389c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe } 31489c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 31589c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe flist_add_tail(&cmd->list, list); 31689c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe return 0; 31789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe} 31889c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 3199abea48bee7340fdf0aee00fa734a3071d47ed86Jens Axboestatic int fio_server_send_quit_cmd(void) 320437377e14010f4443bd0fd1b40c4e75885520d7dJens Axboe{ 32146c48f1f9b8ce94132c13638e4c83c13e1d392daJens Axboe dprint(FD_NET, "server: sending quit\n"); 32289c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0, NULL); 323437377e14010f4443bd0fd1b40c4e75885520d7dJens Axboe} 324437377e14010f4443bd0fd1b40c4e75885520d7dJens Axboe 3250b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboestatic int handle_job_cmd(struct fio_net_cmd *cmd) 326132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe{ 3270b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe char *buf = (char *) cmd->payload; 328a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe int ret; 329132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 330e6d1c6687bf7dcd738657bcac70982c1e790329eJens Axboe if (parse_jobs_ini(buf, 1, 0)) { 331e6d1c6687bf7dcd738657bcac70982c1e790329eJens Axboe fio_server_send_quit_cmd(); 33281179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe return -1; 333e6d1c6687bf7dcd738657bcac70982c1e790329eJens Axboe } 33481179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 33589c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0, NULL); 33681179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 33781179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe ret = exec_run(); 3389abea48bee7340fdf0aee00fa734a3071d47ed86Jens Axboe fio_server_send_quit_cmd(); 33981179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe reset_fio_state(); 34081179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe return ret; 34181179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe} 34281179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 34381179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboestatic int handle_jobline_cmd(struct fio_net_cmd *cmd) 34481179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe{ 345fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe void *pdu = cmd->payload; 346fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe struct cmd_single_line_pdu *cslp; 347fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe struct cmd_line_pdu *clp; 348fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe unsigned long offset; 349fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe char **argv; 35081179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe int ret, i; 35181179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 352fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe clp = pdu; 353fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe clp->lines = le16_to_cpu(clp->lines); 354fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe argv = malloc(clp->lines * sizeof(char *)); 355fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe offset = sizeof(*clp); 35681179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 357fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe dprint(FD_NET, "server: %d command line args\n", clp->lines); 35839e8e01691c9d5765795417ee49a40d5ae08cb8bJens Axboe 359fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe for (i = 0; i < clp->lines; i++) { 360fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe cslp = pdu + offset; 361fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe argv[i] = (char *) cslp->text; 362fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe 363fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe offset += sizeof(*cslp) + le16_to_cpu(cslp->len); 36439e8e01691c9d5765795417ee49a40d5ae08cb8bJens Axboe dprint(FD_NET, "server: %d: %s\n", i, argv[i]); 36539e8e01691c9d5765795417ee49a40d5ae08cb8bJens Axboe } 36681179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 367fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe if (parse_cmd_line(clp->lines, argv)) { 368e6d1c6687bf7dcd738657bcac70982c1e790329eJens Axboe fio_server_send_quit_cmd(); 369fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe free(argv); 37081179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe return -1; 371e6d1c6687bf7dcd738657bcac70982c1e790329eJens Axboe } 37281179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 373fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe free(argv); 374fa2ea806de0d6410320abd97599bc52f5a3e72ccJens Axboe 37589c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0, NULL); 37681179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 377794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe ret = exec_run(); 3789abea48bee7340fdf0aee00fa734a3071d47ed86Jens Axboe fio_server_send_quit_cmd(); 379794d69ca97738736844ee6a6da37f1ef686578cbJens Axboe reset_fio_state(); 380132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return ret; 381132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe} 382132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 383c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboestatic int handle_probe_cmd(struct fio_net_cmd *cmd) 384c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe{ 385c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe struct cmd_probe_pdu probe; 386c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe 38789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe dprint(FD_NET, "server: sending probe reply\n"); 38889c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe 389c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe memset(&probe, 0, sizeof(probe)); 390c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe gethostname((char *) probe.hostname, sizeof(probe.hostname)); 3916eb2479194603184f393057ea10326643edc7169Jens Axboe#ifdef FIO_BIG_ENDIAN 3926eb2479194603184f393057ea10326643edc7169Jens Axboe probe.bigendian = 1; 3936eb2479194603184f393057ea10326643edc7169Jens Axboe#endif 39481179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe probe.fio_major = FIO_MAJOR; 39581179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe probe.fio_minor = FIO_MINOR; 39681179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe probe.fio_patch = FIO_PATCH; 397c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe 398cca84643cc10cd72b0b453ff92ccb8643ba51493Jens Axboe probe.os = FIO_OS; 399cca84643cc10cd72b0b453ff92ccb8643ba51493Jens Axboe probe.arch = FIO_ARCH; 400cca84643cc10cd72b0b453ff92ccb8643ba51493Jens Axboe 40189c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe return fio_net_send_cmd(server_fd, FIO_NET_CMD_PROBE, &probe, sizeof(probe), cmd->tag); 402af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe} 403af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe 404af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboestatic int handle_send_eta_cmd(struct fio_net_cmd *cmd) 405af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe{ 406af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe struct jobs_eta *je; 407af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe size_t size; 408af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe int i; 409af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe 410af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe size = sizeof(*je) + thread_number * sizeof(char); 4117f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe je = malloc(size); 4127f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe memset(je, 0, size); 413af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe 414af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe if (!calc_thread_status(je, 1)) { 415af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe free(je); 416af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe return 0; 417af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe } 418af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe 419af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe dprint(FD_NET, "server sending status\n"); 420af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe 421af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->nr_running = cpu_to_le32(je->nr_running); 422af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->nr_ramp = cpu_to_le32(je->nr_ramp); 423af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->nr_pending = cpu_to_le32(je->nr_pending); 424af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->files_open = cpu_to_le32(je->files_open); 425af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->m_rate = cpu_to_le32(je->m_rate); 426af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->t_rate = cpu_to_le32(je->t_rate); 427af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->m_iops = cpu_to_le32(je->m_iops); 428af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->t_iops = cpu_to_le32(je->t_iops); 429af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe 430af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe for (i = 0; i < 2; i++) { 431af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->rate[i] = cpu_to_le32(je->rate[i]); 432af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->iops[i] = cpu_to_le32(je->iops[i]); 433af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe } 434af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe 435af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->elapsed_sec = cpu_to_le32(je->nr_running); 436af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe je->eta_sec = cpu_to_le64(je->eta_sec); 437af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe 4387f868316a7244cad23735e44e6ef66e5779c9660Jens Axboe fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, cmd->tag); 439af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe free(je); 440af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe return 0; 441c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe} 442c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe 443132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboestatic int handle_command(struct fio_net_cmd *cmd) 444132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe{ 445132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe int ret; 446132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 44789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe dprint(FD_NET, "server: got op [%s], pdu=%u, tag=%lx\n", 44889c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe fio_server_op(cmd->opcode), cmd->pdu_len, cmd->tag); 44946c48f1f9b8ce94132c13638e4c83c13e1d392daJens Axboe 450132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe switch (cmd->opcode) { 451132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe case FIO_NET_CMD_QUIT: 452cc0df00ad5076d4adbc439899f24d9b0db26075dJens Axboe fio_terminate_threads(TERMINATE_ALL); 453c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe return -1; 454d7959186aa6f8ca6ee5bdcd773d77280fc806617Jens Axboe case FIO_NET_CMD_EXIT: 455132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe exit_backend = 1; 456c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe return -1; 457132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe case FIO_NET_CMD_JOB: 4580b8f30a5691b9e600a06ded035996e79c2100d77Jens Axboe ret = handle_job_cmd(cmd); 459132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe break; 46081179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe case FIO_NET_CMD_JOBLINE: 46181179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe ret = handle_jobline_cmd(cmd); 46281179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe break; 463c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe case FIO_NET_CMD_PROBE: 464c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe ret = handle_probe_cmd(cmd); 465c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe break; 466af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe case FIO_NET_CMD_SEND_ETA: 467af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe ret = handle_send_eta_cmd(cmd); 468af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe break; 469132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe default: 47089c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe log_err("fio: unknown opcode: %s\n",fio_server_op(cmd->opcode)); 471132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe ret = 1; 472132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } 473132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 474132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return ret; 475132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe} 476132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 47770e0c3166fdb8048b1e7f84be2371fc60af04f87Jens Axboestatic int handle_connection(int sk, int block) 478132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe{ 479132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe struct fio_net_cmd *cmd = NULL; 480132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe int ret = 0; 481132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 482132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe /* read forever */ 483132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe while (!exit_backend) { 484e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe struct pollfd pfd = { 485e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe .fd = sk, 486e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe .events = POLLIN, 487e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe }; 488e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe 489e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe ret = 0; 490e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe do { 491e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe ret = poll(&pfd, 1, 100); 492e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe if (ret < 0) { 493e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe if (errno == EINTR) 494e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe break; 495e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe log_err("fio: poll: %s\n", strerror(errno)); 496e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe break; 49719c65179fad3e0a32a450401ba7d312169627fddJens Axboe } else if (!ret) { 49819c65179fad3e0a32a450401ba7d312169627fddJens Axboe if (!block) 49919c65179fad3e0a32a450401ba7d312169627fddJens Axboe return 0; 500e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe continue; 50119c65179fad3e0a32a450401ba7d312169627fddJens Axboe } 502e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe 503e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe if (pfd.revents & POLLIN) 504e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe break; 505e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe if (pfd.revents & (POLLERR|POLLHUP)) { 506e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe ret = 1; 507e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe break; 508e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe } 50919c65179fad3e0a32a450401ba7d312169627fddJens Axboe } while (!exit_backend); 510e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe 511e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe if (ret < 0) 512e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe break; 513e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe 514e951bdc47d094d43d6f41de95c6af191b8346459Jens Axboe cmd = fio_net_recv_cmd(sk); 515132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (!cmd) { 516c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe ret = -1; 517132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe break; 518132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } 519132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 520132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe ret = handle_command(cmd); 521132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (ret) 522132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe break; 523132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 524132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe free(cmd); 525c77a99e74e88a8ea1a8c0904aef3f7c81e07273fJens Axboe cmd = NULL; 526132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe } 527132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 528132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe if (cmd) 529132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe free(cmd); 530132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 531132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return ret; 532132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe} 533132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe 534cc0df00ad5076d4adbc439899f24d9b0db26075dJens Axboevoid fio_server_idle_loop(void) 535cc0df00ad5076d4adbc439899f24d9b0db26075dJens Axboe{ 536cc0df00ad5076d4adbc439899f24d9b0db26075dJens Axboe if (server_fd != -1) 53770e0c3166fdb8048b1e7f84be2371fc60af04f87Jens Axboe handle_connection(server_fd, 0); 538cc0df00ad5076d4adbc439899f24d9b0db26075dJens Axboe} 539cc0df00ad5076d4adbc439899f24d9b0db26075dJens Axboe 54050d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboestatic int accept_loop(int listen_sk) 54150d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe{ 542bb447a27c8cbab03a54fa6ceec1a244aabec57d2Jens Axboe struct sockaddr_in addr; 5435ba13ea6968cf2773f10d34376afe28ef81aeee5Jens Axboe fio_socklen_t len = sizeof(addr); 544009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe struct pollfd pfd; 545132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe int ret, sk, flags, exitval = 0; 54650d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe 54760efd14e3b5b5a2adb9f7c9ecfb9bfba38f76ce9Jens Axboe dprint(FD_NET, "server enter accept loop\n"); 54860efd14e3b5b5a2adb9f7c9ecfb9bfba38f76ce9Jens Axboe 549009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe flags = fcntl(listen_sk, F_GETFL); 550009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe flags |= O_NONBLOCK; 551009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe fcntl(listen_sk, F_SETFL, flags); 55250d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboeagain: 553009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe pfd.fd = listen_sk; 554009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe pfd.events = POLLIN; 555009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe do { 556009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe ret = poll(&pfd, 1, 100); 557009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe if (ret < 0) { 558009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe if (errno == EINTR) 559009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe break; 560fcee5ff6f30d0f05582a378a310ed1f68491766fJens Axboe log_err("fio: poll: %s\n", strerror(errno)); 561009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe goto out; 562009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe } else if (!ret) 563009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe continue; 564009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe 565009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe if (pfd.revents & POLLIN) 566009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe break; 567009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe } while (!exit_backend); 568009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe 569009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe if (exit_backend) 570009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe goto out; 571009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe 5726b976bfcda733ad9a05ce28526f670a51096a771Jens Axboe sk = accept(listen_sk, (struct sockaddr *) &addr, &len); 57350d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe if (sk < 0) { 574690e09aeff6111f0654899840280196cf8c96224Jens Axboe log_err("fio: accept: %s\n", strerror(errno)); 57550d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe return -1; 57650d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe } 57750d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe 578bb447a27c8cbab03a54fa6ceec1a244aabec57d2Jens Axboe dprint(FD_NET, "server: connect from %s\n", inet_ntoa(addr.sin_addr)); 57946c48f1f9b8ce94132c13638e4c83c13e1d392daJens Axboe 58037db14feece08eb6e43de87c404180650ed5aa6fJens Axboe server_fd = sk; 58137db14feece08eb6e43de87c404180650ed5aa6fJens Axboe 58270e0c3166fdb8048b1e7f84be2371fc60af04f87Jens Axboe exitval = handle_connection(sk, 1); 58350d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe 58437db14feece08eb6e43de87c404180650ed5aa6fJens Axboe server_fd = -1; 58550d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe close(sk); 5865c341e9a5734742ae1137388345d4f47efdd4f05Jens Axboe 587009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboe if (!exit_backend) 5885c341e9a5734742ae1137388345d4f47efdd4f05Jens Axboe goto again; 5895c341e9a5734742ae1137388345d4f47efdd4f05Jens Axboe 590009b1be41b32bf7e32b441c6a22e3ae628ec9b89Jens Axboeout: 591132159a5a062cabfe963b3d57e82a80741bf5506Jens Axboe return exitval; 59250d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe} 59350d16976ac0cd44c1f5aba9217148ff05e141436Jens Axboe 59413755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboeint fio_server_text_output(const char *buf, size_t len) 59537db14feece08eb6e43de87c404180650ed5aa6fJens Axboe{ 596337d75a81c40aef6d693fc0d18e78b0c2444a1beJens Axboe if (server_fd != -1) 597af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe return fio_net_send_cmd(server_fd, FIO_NET_CMD_TEXT, buf, len, 0); 598337d75a81c40aef6d693fc0d18e78b0c2444a1beJens Axboe 59913755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe return log_local_buf(buf, len); 600142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe} 601142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe 602a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboestatic void convert_io_stat(struct io_stat *dst, struct io_stat *src) 603a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe{ 604a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->max_val = cpu_to_le64(src->max_val); 605a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->min_val = cpu_to_le64(src->min_val); 606a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->samples = cpu_to_le64(src->samples); 607802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe 608802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe /* 609802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe * Encode to IEEE 754 for network transfer 610802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe */ 611802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe dst->mean.u.i = __cpu_to_le64(fio_double_to_uint64(src->mean.u.f)); 612802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe dst->S.u.i = __cpu_to_le64(fio_double_to_uint64(src->S.u.f)); 613a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe} 614a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 615a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboestatic void convert_gs(struct group_run_stats *dst, struct group_run_stats *src) 616a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe{ 617a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe int i; 618a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 619a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe for (i = 0; i < 2; i++) { 620a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->max_run[i] = cpu_to_le64(src->max_run[i]); 621a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->min_run[i] = cpu_to_le64(src->min_run[i]); 622a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->max_bw[i] = cpu_to_le64(src->max_bw[i]); 623a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->min_bw[i] = cpu_to_le64(src->min_bw[i]); 624a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->io_kb[i] = cpu_to_le64(src->io_kb[i]); 625a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->agg[i] = cpu_to_le64(src->agg[i]); 626a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe } 627a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 628a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->kb_base = cpu_to_le32(src->kb_base); 629a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe dst->groupid = cpu_to_le32(src->groupid); 630a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe} 631a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 632a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe/* 633a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe * Send a CMD_TS, which packs struct thread_stat and group_run_stats 634a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe * into a single payload. 635a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe */ 636a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboevoid fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) 637a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe{ 638a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe struct cmd_ts_pdu p; 639a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe int i, j; 640a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 64160efd14e3b5b5a2adb9f7c9ecfb9bfba38f76ce9Jens Axboe dprint(FD_NET, "server sending end stats\n"); 64260efd14e3b5b5a2adb9f7c9ecfb9bfba38f76ce9Jens Axboe 643317b3c8b1bd5cdb1f2bd02c94d536fa853321bc6Jens Axboe memset(&p, 0, sizeof(p)); 644317b3c8b1bd5cdb1f2bd02c94d536fa853321bc6Jens Axboe 645a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe strcpy(p.ts.name, ts->name); 646a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe strcpy(p.ts.verror, ts->verror); 647a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe strcpy(p.ts.description, ts->description); 648a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 649ddcc0b69aa4ed04c8681f447a1a6274bb8837a14Jens Axboe p.ts.error = cpu_to_le32(ts->error); 650a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.groupid = cpu_to_le32(ts->groupid); 651ddcc0b69aa4ed04c8681f447a1a6274bb8837a14Jens Axboe p.ts.pid = cpu_to_le32(ts->pid); 652a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.members = cpu_to_le32(ts->members); 653a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 654a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe for (i = 0; i < 2; i++) { 655a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); 656a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe convert_io_stat(&p.ts.slat_stat[i], &ts->slat_stat[i]); 657a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe convert_io_stat(&p.ts.lat_stat[i], &ts->lat_stat[i]); 658a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe convert_io_stat(&p.ts.bw_stat[i], &ts->bw_stat[i]); 659a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe } 660a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 661a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.usr_time = cpu_to_le64(ts->usr_time); 662a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.sys_time = cpu_to_le64(ts->sys_time); 663a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.ctx = cpu_to_le64(ts->ctx); 664a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.minf = cpu_to_le64(ts->minf); 665a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.majf = cpu_to_le64(ts->majf); 666a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.clat_percentiles = cpu_to_le64(ts->clat_percentiles); 667802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe 668802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) { 669802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe fio_fp64_t *fp = &p.ts.percentile_list[i]; 670802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe 671802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe fp->u.i = __cpu_to_le64(fio_double_to_uint64(fp->u.f)); 672802ad4a83e92a30b5fdccf117d59fbb69068c054Jens Axboe } 673a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 674a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe for (i = 0; i < FIO_IO_U_MAP_NR; i++) { 675a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.io_u_map[i] = cpu_to_le32(ts->io_u_map[i]); 676a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.io_u_submit[i] = cpu_to_le32(ts->io_u_submit[i]); 677a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.io_u_complete[i] = cpu_to_le32(ts->io_u_complete[i]); 678a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe } 679a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 680a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe for (i = 0; i < FIO_IO_U_LAT_U_NR; i++) { 681a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.io_u_lat_u[i] = cpu_to_le32(ts->io_u_lat_u[i]); 682a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.io_u_lat_m[i] = cpu_to_le32(ts->io_u_lat_m[i]); 683a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe } 684a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 685a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe for (i = 0; i < 2; i++) 686a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe for (j = 0; j < FIO_IO_U_PLAT_NR; j++) 687a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.io_u_plat[i][j] = cpu_to_le32(ts->io_u_plat[i][j]); 688a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 689a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe for (i = 0; i < 3; i++) { 690a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.total_io_u[i] = cpu_to_le64(ts->total_io_u[i]); 69193eee04aef9ed39070ce2e69bd1f661a95b1d50aJens Axboe p.ts.short_io_u[i] = cpu_to_le64(ts->short_io_u[i]); 692a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe } 693a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 69493eee04aef9ed39070ce2e69bd1f661a95b1d50aJens Axboe p.ts.total_submit = cpu_to_le64(ts->total_submit); 695a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.total_complete = cpu_to_le64(ts->total_complete); 696a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 697a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe for (i = 0; i < 2; i++) { 698a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.io_bytes[i] = cpu_to_le64(ts->io_bytes[i]); 699a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.runtime[i] = cpu_to_le64(ts->runtime[i]); 700a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe } 701a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 702a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.total_run_time = cpu_to_le64(ts->total_run_time); 703a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.continue_on_error = cpu_to_le16(ts->continue_on_error); 704a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe p.ts.total_err_count = cpu_to_le64(ts->total_err_count); 705ddcc0b69aa4ed04c8681f447a1a6274bb8837a14Jens Axboe p.ts.first_error = cpu_to_le32(ts->first_error); 706ddcc0b69aa4ed04c8681f447a1a6274bb8837a14Jens Axboe p.ts.kb_base = cpu_to_le32(ts->kb_base); 707a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 708a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe convert_gs(&p.rs, rs); 709a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 710af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe fio_net_send_cmd(server_fd, FIO_NET_CMD_TS, &p, sizeof(p), 0); 711a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe} 712a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 713a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboevoid fio_server_send_gs(struct group_run_stats *rs) 714a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe{ 715a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe struct group_run_stats gs; 716a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe 71760efd14e3b5b5a2adb9f7c9ecfb9bfba38f76ce9Jens Axboe dprint(FD_NET, "server sending group run stats\n"); 71860efd14e3b5b5a2adb9f7c9ecfb9bfba38f76ce9Jens Axboe 719a64e88dad0c0e4a510ae8ab54cde1a20b99c59d1Jens Axboe convert_gs(&gs, rs); 720af9c9fb34e420fc4d9cf317aa0f3cf6795a5a07fJens Axboe fio_net_send_cmd(server_fd, FIO_NET_CMD_GS, &gs, sizeof(gs), 0); 721cf451d1ede3bbbd2fed3619eb43def054d5b5a5aJens Axboe} 722cf451d1ede3bbbd2fed3619eb43def054d5b5a5aJens Axboe 723142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboeint fio_server_log(const char *format, ...) 724142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe{ 725142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe char buffer[1024]; 726142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe va_list args; 72782fa6b21d98da1341a54f415e43940213b39f18bJens Axboe size_t len; 728142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe 72960efd14e3b5b5a2adb9f7c9ecfb9bfba38f76ce9Jens Axboe dprint(FD_NET, "server log\n"); 73060efd14e3b5b5a2adb9f7c9ecfb9bfba38f76ce9Jens Axboe 731142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe va_start(args, format); 73282fa6b21d98da1341a54f415e43940213b39f18bJens Axboe len = vsnprintf(buffer, sizeof(buffer), format, args); 733142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe va_end(args); 734142575e6579462656a6d0f7c50ec8c35b8a08802Jens Axboe 73582fa6b21d98da1341a54f415e43940213b39f18bJens Axboe return fio_server_text_output(buffer, len); 73637db14feece08eb6e43de87c404180650ed5aa6fJens Axboe} 737e46d809110bd4ad2980ca64931b683673444454bJens Axboe 73887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboestatic int fio_init_server_ip(void) 73981179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe{ 74087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe int sk, opt; 74181179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 74281179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe sk = socket(AF_INET, SOCK_STREAM, 0); 74381179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe if (sk < 0) { 74481179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe log_err("fio: socket: %s\n", strerror(errno)); 74581179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe return -1; 74681179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe } 74781179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 74881179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe opt = 1; 74981179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { 75081179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe log_err("fio: setsockopt: %s\n", strerror(errno)); 751b94cba47cfdf96e72ec894080b3a7bf645a86e9cJens Axboe close(sk); 75281179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe return -1; 75381179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe } 75481179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe#ifdef SO_REUSEPORT 7556eb2479194603184f393057ea10326643edc7169Jens Axboe if (setsockopt(sk, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { 75681179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe log_err("fio: setsockopt: %s\n", strerror(errno)); 757b94cba47cfdf96e72ec894080b3a7bf645a86e9cJens Axboe close(sk); 75881179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe return -1; 75981179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe } 76081179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe#endif 76181179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 76281179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe saddr_in.sin_family = AF_INET; 76381179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 76481179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe if (bind(sk, (struct sockaddr *) &saddr_in, sizeof(saddr_in)) < 0) { 76581179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe log_err("fio: bind: %s\n", strerror(errno)); 766b94cba47cfdf96e72ec894080b3a7bf645a86e9cJens Axboe close(sk); 76781179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe return -1; 76881179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe } 76981179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 77087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe return sk; 77187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe} 77287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 77387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboestatic int fio_init_server_sock(void) 77487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe{ 77587aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe struct sockaddr_un addr; 77687aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe fio_socklen_t len; 77787aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe mode_t mode; 77887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe int sk; 77987aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 78087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe sk = socket(AF_UNIX, SOCK_STREAM, 0); 78187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe if (sk < 0) { 78287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe log_err("fio: socket: %s\n", strerror(errno)); 78387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe return -1; 78487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe } 78587aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 78687aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe mode = umask(000); 78787aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 78887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe memset(&addr, 0, sizeof(addr)); 78987aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe addr.sun_family = AF_UNIX; 79087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe strcpy(addr.sun_path, bind_sock); 79187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe unlink(bind_sock); 79287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 79387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe len = sizeof(addr.sun_family) + strlen(bind_sock) + 1; 79487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 79587aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe if (bind(sk, (struct sockaddr *) &addr, len) < 0) { 79687aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe log_err("fio: bind: %s\n", strerror(errno)); 797b94cba47cfdf96e72ec894080b3a7bf645a86e9cJens Axboe close(sk); 79887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe return -1; 79987aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe } 80087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 80187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe umask(mode); 80287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe return sk; 80387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe} 80487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 80587aa8f1901e26bc377f3035a485d35c417d0255aJens Axboestatic int fio_init_server_connection(void) 80687aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe{ 807bebe639808147d587bbe776566d390b9ff98773fJens Axboe char bind_str[128]; 80887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe int sk; 80987aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 81087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe dprint(FD_NET, "starting server\n"); 81187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 81287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe if (!bind_sock) 81387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe sk = fio_init_server_ip(); 81487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe else 81587aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe sk = fio_init_server_sock(); 81687aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 81787aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe if (sk < 0) 81887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe return sk; 81987aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 820bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (!bind_sock) 821bebe639808147d587bbe776566d390b9ff98773fJens Axboe sprintf(bind_str, "%s:%u", inet_ntoa(saddr_in.sin_addr), fio_net_port); 822bebe639808147d587bbe776566d390b9ff98773fJens Axboe else 823bebe639808147d587bbe776566d390b9ff98773fJens Axboe strcpy(bind_str, bind_sock); 824bebe639808147d587bbe776566d390b9ff98773fJens Axboe 825bebe639808147d587bbe776566d390b9ff98773fJens Axboe log_info("fio: server listening on %s\n", bind_str); 826bebe639808147d587bbe776566d390b9ff98773fJens Axboe 82789c1707cb512e562b55b56c268f7fad612be6f04Jens Axboe if (listen(sk, 0) < 0) { 82881179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe log_err("fio: listen: %s\n", strerror(errno)); 82981179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe return -1; 83081179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe } 83181179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 83287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe return sk; 83387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe} 83487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 835bebe639808147d587bbe776566d390b9ff98773fJens Axboeint fio_server_parse_string(const char *str, char **ptr, int *is_sock, 836bebe639808147d587bbe776566d390b9ff98773fJens Axboe int *port, struct in_addr *inp) 837bebe639808147d587bbe776566d390b9ff98773fJens Axboe{ 838bebe639808147d587bbe776566d390b9ff98773fJens Axboe *ptr = NULL; 839bebe639808147d587bbe776566d390b9ff98773fJens Axboe *is_sock = 0; 8406d2cf39497670a0246c9b7bb1cc6ef77629e08f7Jens Axboe *port = fio_net_port; 841bebe639808147d587bbe776566d390b9ff98773fJens Axboe 842bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (!strncmp(str, "sock:", 5)) { 843bebe639808147d587bbe776566d390b9ff98773fJens Axboe *ptr = strdup(str + 5); 844bebe639808147d587bbe776566d390b9ff98773fJens Axboe *is_sock = 1; 845bebe639808147d587bbe776566d390b9ff98773fJens Axboe } else { 846bebe639808147d587bbe776566d390b9ff98773fJens Axboe const char *host = str; 847bebe639808147d587bbe776566d390b9ff98773fJens Axboe char *portp; 848bebe639808147d587bbe776566d390b9ff98773fJens Axboe int lport = 0; 849bebe639808147d587bbe776566d390b9ff98773fJens Axboe 850bebe639808147d587bbe776566d390b9ff98773fJens Axboe /* 851bebe639808147d587bbe776566d390b9ff98773fJens Axboe * Is it ip:<ip or host>:port 852bebe639808147d587bbe776566d390b9ff98773fJens Axboe */ 853bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (!strncmp(host, "ip:", 3)) 854bebe639808147d587bbe776566d390b9ff98773fJens Axboe host += 3; 855bebe639808147d587bbe776566d390b9ff98773fJens Axboe else if (host[0] == ':') { 856bebe639808147d587bbe776566d390b9ff98773fJens Axboe /* String is :port */ 857bebe639808147d587bbe776566d390b9ff98773fJens Axboe host++; 858bebe639808147d587bbe776566d390b9ff98773fJens Axboe lport = atoi(host); 859bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (!lport || lport > 65535) { 860bebe639808147d587bbe776566d390b9ff98773fJens Axboe log_err("fio: bad server port %u\n", port); 861bebe639808147d587bbe776566d390b9ff98773fJens Axboe return 1; 862bebe639808147d587bbe776566d390b9ff98773fJens Axboe } 863bebe639808147d587bbe776566d390b9ff98773fJens Axboe /* no hostname given, we are done */ 864bebe639808147d587bbe776566d390b9ff98773fJens Axboe *port = lport; 865bebe639808147d587bbe776566d390b9ff98773fJens Axboe return 0; 866bebe639808147d587bbe776566d390b9ff98773fJens Axboe } 867bebe639808147d587bbe776566d390b9ff98773fJens Axboe 868bebe639808147d587bbe776566d390b9ff98773fJens Axboe /* 869bebe639808147d587bbe776566d390b9ff98773fJens Axboe * If no port seen yet, check if there's a last ':' at the end 870bebe639808147d587bbe776566d390b9ff98773fJens Axboe */ 871bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (!lport) { 872bebe639808147d587bbe776566d390b9ff98773fJens Axboe portp = strchr(host, ':'); 873bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (portp) { 874bebe639808147d587bbe776566d390b9ff98773fJens Axboe *portp = '\0'; 875bebe639808147d587bbe776566d390b9ff98773fJens Axboe portp++; 876bebe639808147d587bbe776566d390b9ff98773fJens Axboe lport = atoi(portp); 877bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (!lport || lport > 65535) { 878bebe639808147d587bbe776566d390b9ff98773fJens Axboe log_err("fio: bad server port %u\n", port); 879bebe639808147d587bbe776566d390b9ff98773fJens Axboe return 1; 880bebe639808147d587bbe776566d390b9ff98773fJens Axboe } 881bebe639808147d587bbe776566d390b9ff98773fJens Axboe } 882bebe639808147d587bbe776566d390b9ff98773fJens Axboe } 883bebe639808147d587bbe776566d390b9ff98773fJens Axboe 884bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (lport) 885bebe639808147d587bbe776566d390b9ff98773fJens Axboe *port = lport; 886bebe639808147d587bbe776566d390b9ff98773fJens Axboe 887bebe639808147d587bbe776566d390b9ff98773fJens Axboe *ptr = strdup(host); 888bebe639808147d587bbe776566d390b9ff98773fJens Axboe 889bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (inet_aton(host, inp) != 1) { 890bebe639808147d587bbe776566d390b9ff98773fJens Axboe struct hostent *hent; 891bebe639808147d587bbe776566d390b9ff98773fJens Axboe 892bebe639808147d587bbe776566d390b9ff98773fJens Axboe hent = gethostbyname(host); 893bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (!hent) { 894bebe639808147d587bbe776566d390b9ff98773fJens Axboe free(*ptr); 895bebe639808147d587bbe776566d390b9ff98773fJens Axboe *ptr = NULL; 896bebe639808147d587bbe776566d390b9ff98773fJens Axboe return 1; 897bebe639808147d587bbe776566d390b9ff98773fJens Axboe } 898bebe639808147d587bbe776566d390b9ff98773fJens Axboe 899bebe639808147d587bbe776566d390b9ff98773fJens Axboe memcpy(inp, hent->h_addr, 4); 900bebe639808147d587bbe776566d390b9ff98773fJens Axboe } 901bebe639808147d587bbe776566d390b9ff98773fJens Axboe } 902bebe639808147d587bbe776566d390b9ff98773fJens Axboe 903bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (*port == 0) 904bebe639808147d587bbe776566d390b9ff98773fJens Axboe *port = fio_net_port; 905bebe639808147d587bbe776566d390b9ff98773fJens Axboe 906bebe639808147d587bbe776566d390b9ff98773fJens Axboe return 0; 907bebe639808147d587bbe776566d390b9ff98773fJens Axboe} 908bebe639808147d587bbe776566d390b9ff98773fJens Axboe 90987aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe/* 91087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * Server arg should be one of: 91187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * 91287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * sock:/path/to/socket 91387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * ip:1.2.3.4 91487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * 1.2.3.4 91587aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * 91687aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * Where sock uses unix domain sockets, and ip binds the server to 91787aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * a specific interface. If no arguments are given to the server, it 91887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * uses IP and binds to 0.0.0.0. 91987aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe * 92087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe */ 92187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboestatic int fio_handle_server_arg(void) 92287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe{ 9236d2cf39497670a0246c9b7bb1cc6ef77629e08f7Jens Axboe int port = fio_net_port; 924a7de0a1163e63cb6fa0a6bad773c415d06d154acJens Axboe int is_sock, ret = 0; 925bebe639808147d587bbe776566d390b9ff98773fJens Axboe 92687aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); 92787aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 92887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe if (!fio_server_arg) 929a7de0a1163e63cb6fa0a6bad773c415d06d154acJens Axboe goto out; 93087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 9314e5b8fb8e2d989789e18b31f9aed969c8fa43cdbJens Axboe ret = fio_server_parse_string(fio_server_arg, &bind_sock, &is_sock, 9326d2cf39497670a0246c9b7bb1cc6ef77629e08f7Jens Axboe &port, &saddr_in.sin_addr); 9334e5b8fb8e2d989789e18b31f9aed969c8fa43cdbJens Axboe 9344e5b8fb8e2d989789e18b31f9aed969c8fa43cdbJens Axboe if (!is_sock && bind_sock) { 9354e5b8fb8e2d989789e18b31f9aed969c8fa43cdbJens Axboe free(bind_sock); 9364e5b8fb8e2d989789e18b31f9aed969c8fa43cdbJens Axboe bind_sock = NULL; 9374e5b8fb8e2d989789e18b31f9aed969c8fa43cdbJens Axboe } 9384e5b8fb8e2d989789e18b31f9aed969c8fa43cdbJens Axboe 939a7de0a1163e63cb6fa0a6bad773c415d06d154acJens Axboeout: 9406d2cf39497670a0246c9b7bb1cc6ef77629e08f7Jens Axboe fio_net_port = port; 9416d2cf39497670a0246c9b7bb1cc6ef77629e08f7Jens Axboe saddr_in.sin_port = htons(port); 9424e5b8fb8e2d989789e18b31f9aed969c8fa43cdbJens Axboe return ret; 94387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe} 94487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 94587aa8f1901e26bc377f3035a485d35c417d0255aJens Axboestatic int fio_server(void) 94687aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe{ 94787aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe int sk, ret; 94887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 94987aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe dprint(FD_NET, "starting server\n"); 95087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 95187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe if (fio_handle_server_arg()) 95287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe return -1; 95387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 95487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe sk = fio_init_server_connection(); 95587aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe if (sk < 0) 95687aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe return -1; 95781179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 95881179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe ret = accept_loop(sk); 95987aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 96081179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe close(sk); 96187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 96287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe if (fio_server_arg) { 96387aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe free(fio_server_arg); 96487aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe fio_server_arg = NULL; 96587aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe } 966bebe639808147d587bbe776566d390b9ff98773fJens Axboe if (bind_sock) 967bebe639808147d587bbe776566d390b9ff98773fJens Axboe free(bind_sock); 96887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 96981179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe return ret; 97081179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe} 97181179eec4a84ff25c190a8a6a685b0b3b4dd2a37Jens Axboe 9727b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboevoid fio_server_got_signal(int signal) 9739abea48bee7340fdf0aee00fa734a3071d47ed86Jens Axboe{ 9747b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe if (signal == SIGPIPE) 9757b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe server_fd = -1; 9767b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe else { 9777b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe log_info("\nfio: terminating on signal %d\n", signal); 9787b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe exit_backend = 1; 9797b8216842eb888ff626f616c2770a2548b0b0bf9Jens Axboe } 9809abea48bee7340fdf0aee00fa734a3071d47ed86Jens Axboe} 9819abea48bee7340fdf0aee00fa734a3071d47ed86Jens Axboe 98213755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboestatic int check_existing_pidfile(const char *pidfile) 98313755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe{ 98413755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe struct stat sb; 98513755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe char buf[16]; 98613755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe pid_t pid; 98713755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe FILE *f; 98813755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe 98913755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe if (stat(pidfile, &sb)) 99013755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe return 0; 99113755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe 99213755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe f = fopen(pidfile, "r"); 99313755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe if (!f) 99413755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe return 0; 99513755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe 996bfc3b17986fb80aeb5a6ea962bb38fc1509d60a8Jens Axboe if (fread(buf, sb.st_size, 1, f) <= 0) { 99713755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe fclose(f); 99813755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe return 1; 99913755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe } 100013755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe fclose(f); 100113755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe 100213755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe pid = atoi(buf); 100313755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe if (kill(pid, SIGCONT) < 0) 1004ea5aa1be68de71f9f02eb3d6f4db726adcafb40aJens Axboe return errno != ESRCH; 100513755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe 100613755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe return 1; 100713755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe} 100813755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe 100913755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboestatic int write_pid(pid_t pid, const char *pidfile) 1010402668f3e05259bfc135fc097136428feda01006Jens Axboe{ 1011402668f3e05259bfc135fc097136428feda01006Jens Axboe FILE *fpid; 1012402668f3e05259bfc135fc097136428feda01006Jens Axboe 1013402668f3e05259bfc135fc097136428feda01006Jens Axboe fpid = fopen(pidfile, "w"); 1014402668f3e05259bfc135fc097136428feda01006Jens Axboe if (!fpid) { 1015402668f3e05259bfc135fc097136428feda01006Jens Axboe log_err("fio: failed opening pid file %s\n", pidfile); 101613755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe return 1; 1017402668f3e05259bfc135fc097136428feda01006Jens Axboe } 1018402668f3e05259bfc135fc097136428feda01006Jens Axboe 1019402668f3e05259bfc135fc097136428feda01006Jens Axboe fprintf(fpid, "%u\n", (unsigned int) pid); 102013755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe fclose(fpid); 102113755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe return 0; 1022402668f3e05259bfc135fc097136428feda01006Jens Axboe} 1023402668f3e05259bfc135fc097136428feda01006Jens Axboe 1024402668f3e05259bfc135fc097136428feda01006Jens Axboe/* 1025402668f3e05259bfc135fc097136428feda01006Jens Axboe * If pidfile is specified, background us. 1026402668f3e05259bfc135fc097136428feda01006Jens Axboe */ 1027402668f3e05259bfc135fc097136428feda01006Jens Axboeint fio_start_server(char *pidfile) 1028e46d809110bd4ad2980ca64931b683673444454bJens Axboe{ 1029e46d809110bd4ad2980ca64931b683673444454bJens Axboe pid_t pid; 1030402668f3e05259bfc135fc097136428feda01006Jens Axboe int ret; 1031e46d809110bd4ad2980ca64931b683673444454bJens Axboe 1032402668f3e05259bfc135fc097136428feda01006Jens Axboe if (!pidfile) 1033e46d809110bd4ad2980ca64931b683673444454bJens Axboe return fio_server(); 1034e46d809110bd4ad2980ca64931b683673444454bJens Axboe 103513755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe if (check_existing_pidfile(pidfile)) { 103613755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe log_err("fio: pidfile %s exists and server appears alive\n", 103713755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe pidfile); 103813755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe return -1; 103913755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe } 104013755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe 1041e46d809110bd4ad2980ca64931b683673444454bJens Axboe pid = fork(); 1042e46d809110bd4ad2980ca64931b683673444454bJens Axboe if (pid < 0) { 104313755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe log_err("fio: failed server fork: %s", strerror(errno)); 1044402668f3e05259bfc135fc097136428feda01006Jens Axboe free(pidfile); 1045c28e8e8c68f7e908085f4585299e6e4d74d01837Jens Axboe return -1; 1046402668f3e05259bfc135fc097136428feda01006Jens Axboe } else if (pid) { 104713755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe int ret = write_pid(pid, pidfile); 104813755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe 104913755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe exit(ret); 1050402668f3e05259bfc135fc097136428feda01006Jens Axboe } 1051e46d809110bd4ad2980ca64931b683673444454bJens Axboe 1052e46d809110bd4ad2980ca64931b683673444454bJens Axboe setsid(); 105313755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe openlog("fio", LOG_NDELAY|LOG_NOWAIT|LOG_PID, LOG_USER); 105413755d946d034eb7395a818db7ace2c9cb60b4cbJens Axboe log_syslog = 1; 1055e46d809110bd4ad2980ca64931b683673444454bJens Axboe close(STDIN_FILENO); 1056e46d809110bd4ad2980ca64931b683673444454bJens Axboe close(STDOUT_FILENO); 1057e46d809110bd4ad2980ca64931b683673444454bJens Axboe close(STDERR_FILENO); 1058e46d809110bd4ad2980ca64931b683673444454bJens Axboe f_out = NULL; 1059e46d809110bd4ad2980ca64931b683673444454bJens Axboe f_err = NULL; 1060402668f3e05259bfc135fc097136428feda01006Jens Axboe 1061402668f3e05259bfc135fc097136428feda01006Jens Axboe ret = fio_server(); 1062402668f3e05259bfc135fc097136428feda01006Jens Axboe 1063402668f3e05259bfc135fc097136428feda01006Jens Axboe closelog(); 1064402668f3e05259bfc135fc097136428feda01006Jens Axboe unlink(pidfile); 1065402668f3e05259bfc135fc097136428feda01006Jens Axboe free(pidfile); 1066402668f3e05259bfc135fc097136428feda01006Jens Axboe return ret; 1067e46d809110bd4ad2980ca64931b683673444454bJens Axboe} 106887aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe 1069bebe639808147d587bbe776566d390b9ff98773fJens Axboevoid fio_server_set_arg(const char *arg) 107087aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe{ 107187aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe fio_server_arg = strdup(arg); 107287aa8f1901e26bc377f3035a485d35c417d0255aJens Axboe} 1073