X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=server.c;h=899b230274b1133dd54c3aacdb0020acf70056ba;hp=9ee75209ccb1f7bcee73294ec94f7670243eeb4a;hb=0a074fe4bb0c085d1d6a060c279aae3f79722c99;hpb=c1970b907ff0cb819de5607bc120d8acb527eb98 diff --git a/server.c b/server.c index 9ee75209..899b2302 100644 --- a/server.c +++ b/server.c @@ -16,6 +16,7 @@ #include #include #include +#include #include "fio.h" #include "server.h" @@ -51,8 +52,10 @@ static const char *fio_server_ops[FIO_NET_CMD_NR] = { "START", "STOP", "DISK_UTIL", - "RUN", + "SERVER_START", "ADD_JOB", + "CMD_RUN" + "CMD_IOLOG", }; const char *fio_server_op(unsigned int op) @@ -66,19 +69,40 @@ const char *fio_server_op(unsigned int op) return buf; } -int fio_send_data(int sk, const void *p, unsigned int len) +static ssize_t iov_total_len(const struct iovec *iov, int count) { - assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_PDU); + ssize_t ret = 0; - do { - int ret = send(sk, p, len, 0); + while (count--) { + ret += iov->iov_len; + iov++; + } + return ret; +} + +static int fio_sendv_data(int sk, struct iovec *iov, int count) +{ + ssize_t total_len = iov_total_len(iov, count); + ssize_t ret; + + do { + ret = writev(sk, iov, count); if (ret > 0) { - len -= ret; - if (!len) + total_len -= ret; + if (!total_len) break; - p += ret; - continue; + + while (ret) { + if (ret >= iov->iov_len) { + ret -= iov->iov_len; + iov++; + continue; + } + iov->iov_base += ret; + iov->iov_len -= ret; + ret = 0; + } } else if (!ret) break; else if (errno == EAGAIN || errno == EINTR) @@ -87,12 +111,24 @@ int fio_send_data(int sk, const void *p, unsigned int len) break; } while (!exit_backend); - if (!len) + if (!total_len) return 0; + if (errno) + return -errno; + return 1; } +int fio_send_data(int sk, const void *p, unsigned int len) +{ + struct iovec iov = { .iov_base = (void *) p, .iov_len = len }; + + assert(len <= sizeof(struct fio_net_cmd) + FIO_SERVER_MAX_FRAGMENT_PDU); + + return fio_sendv_data(sk, &iov, 1); +} + int fio_recv_data(int sk, void *p, unsigned int len) { do { @@ -146,7 +182,7 @@ static int verify_convert_cmd(struct fio_net_cmd *cmd) return 1; } - if (cmd->pdu_len > FIO_SERVER_MAX_PDU) { + if (cmd->pdu_len > FIO_SERVER_MAX_FRAGMENT_PDU) { log_err("fio: command payload too large: %u\n", cmd->pdu_len); return 1; } @@ -229,9 +265,11 @@ struct fio_net_cmd *fio_net_recv_cmd(int sk) buf[pdu->buf_len ] = '\0'; } else if (cmdret->opcode == FIO_NET_CMD_JOB) { - char *buf = (char *) cmdret->payload; + struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmdret->payload; + char *buf = (char *) pdu->buf; + int len = le32_to_cpu(pdu->buf_len); - buf[cmdret->pdu_len ] = '\0'; + buf[len] = '\0'; } } @@ -242,15 +280,19 @@ struct fio_net_cmd *fio_net_recv_cmd(int sk) return cmdret; } -void fio_net_cmd_crc(struct fio_net_cmd *cmd) +void fio_net_cmd_crc_pdu(struct fio_net_cmd *cmd, const void *pdu) { uint32_t pdu_len; cmd->cmd_crc16 = __cpu_to_le16(fio_crc16(cmd, FIO_NET_CMD_CRC_SZ)); pdu_len = le32_to_cpu(cmd->pdu_len); - if (pdu_len) - cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(cmd->payload, pdu_len)); + cmd->pdu_crc16 = __cpu_to_le16(fio_crc16(pdu, pdu_len)); +} + +void fio_net_cmd_crc(struct fio_net_cmd *cmd) +{ + fio_net_cmd_crc_pdu(cmd, cmd->payload); } int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, @@ -262,8 +304,8 @@ int fio_net_send_cmd(int fd, uint16_t opcode, const void *buf, off_t size, do { this_len = size; - if (this_len > FIO_SERVER_MAX_PDU) - this_len = FIO_SERVER_MAX_PDU; + if (this_len > FIO_SERVER_MAX_FRAGMENT_PDU) + this_len = FIO_SERVER_MAX_FRAGMENT_PDU; if (!cmd || cur_len < sizeof(*cmd) + this_len) { if (cmd) @@ -339,21 +381,11 @@ static int fio_server_send_quit_cmd(void) return fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_QUIT, 0, NULL); } -static int handle_job_cmd(struct fio_net_cmd *cmd) +static int handle_run_cmd(struct fio_net_cmd *cmd) { - char *buf = (char *) cmd->payload; - struct cmd_start_pdu spdu; struct cmd_end_pdu epdu; int ret; - if (parse_jobs_ini(buf, 1, 0)) { - fio_server_send_quit_cmd(); - return -1; - } - - spdu.jobs = cpu_to_le32(thread_number); - fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0); - ret = fio_backend(); epdu.error = ret; @@ -365,17 +397,38 @@ static int handle_job_cmd(struct fio_net_cmd *cmd) return ret; } +static int handle_job_cmd(struct fio_net_cmd *cmd) +{ + struct cmd_job_pdu *pdu = (struct cmd_job_pdu *) cmd->payload; + void *buf = pdu->buf; + struct cmd_start_pdu spdu; + + pdu->buf_len = le32_to_cpu(pdu->buf_len); + pdu->client_type = le32_to_cpu(pdu->client_type); + + if (parse_jobs_ini(buf, 1, 0, pdu->client_type)) { + fio_server_send_quit_cmd(); + return -1; + } + + spdu.jobs = cpu_to_le32(thread_number); + fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0); + return 0; +} + static int handle_jobline_cmd(struct fio_net_cmd *cmd) { void *pdu = cmd->payload; struct cmd_single_line_pdu *cslp; struct cmd_line_pdu *clp; unsigned long offset; + struct cmd_start_pdu spdu; char **argv; - int ret, i; + int i; clp = pdu; clp->lines = le16_to_cpu(clp->lines); + clp->client_type = le16_to_cpu(clp->client_type); argv = malloc(clp->lines * sizeof(char *)); offset = sizeof(*clp); @@ -389,7 +442,7 @@ static int handle_jobline_cmd(struct fio_net_cmd *cmd) dprint(FD_NET, "server: %d: %s\n", i, argv[i]); } - if (parse_cmd_line(clp->lines, argv)) { + if (parse_cmd_line(clp->lines, argv, clp->client_type)) { fio_server_send_quit_cmd(); free(argv); return -1; @@ -397,13 +450,9 @@ static int handle_jobline_cmd(struct fio_net_cmd *cmd) free(argv); - fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_START, 0, NULL); - - ret = fio_backend(); - fio_server_send_quit_cmd(); - reset_fio_state(); - first_cmd_check = 0; - return ret; + spdu.jobs = cpu_to_le32(thread_number); + fio_net_send_cmd(server_fd, FIO_NET_CMD_START, &spdu, sizeof(spdu), 0); + return 0; } static int handle_probe_cmd(struct fio_net_cmd *cmd) @@ -465,6 +514,7 @@ static int handle_send_eta_cmd(struct fio_net_cmd *cmd) je->elapsed_sec = cpu_to_le64(je->elapsed_sec); je->eta_sec = cpu_to_le64(je->eta_sec); + je->nr_threads = cpu_to_le32(je->nr_threads); fio_net_send_cmd(server_fd, FIO_NET_CMD_ETA, je, size, cmd->tag); free(je); @@ -497,6 +547,9 @@ static int handle_command(struct fio_net_cmd *cmd) case FIO_NET_CMD_SEND_ETA: ret = handle_send_eta_cmd(cmd); break; + case FIO_NET_CMD_RUN: + ret = handle_run_cmd(cmd); + break; default: log_err("fio: unknown opcode: %s\n",fio_server_op(cmd->opcode)); ret = 1; @@ -565,7 +618,7 @@ static int handle_connection(int sk, int block) void fio_server_idle_loop(void) { if (!first_cmd_check) { - fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_RUN, 0, NULL); + fio_net_send_simple_cmd(server_fd, FIO_NET_CMD_SERVER_START, 0, NULL); first_cmd_check = 1; } if (server_fd != -1) @@ -699,10 +752,11 @@ void fio_server_send_ts(struct thread_stat *ts, struct group_run_stats *rs) strcpy(p.ts.verror, ts->verror); strcpy(p.ts.description, ts->description); - p.ts.error = cpu_to_le32(ts->error); - p.ts.groupid = cpu_to_le32(ts->groupid); - p.ts.pid = cpu_to_le32(ts->pid); - p.ts.members = cpu_to_le32(ts->members); + p.ts.error = cpu_to_le32(ts->error); + p.ts.thread_number = cpu_to_le32(ts->thread_number); + p.ts.groupid = cpu_to_le32(ts->groupid); + p.ts.pid = cpu_to_le32(ts->pid); + p.ts.members = cpu_to_le32(ts->members); for (i = 0; i < 2; i++) { convert_io_stat(&p.ts.clat_stat[i], &ts->clat_stat[i]); @@ -829,24 +883,112 @@ void fio_server_send_du(void) } } -void fio_server_send_add_job(struct thread_options *o, const char *ioengine) +/* + * Send a command with a separate PDU, not inlined in the command + */ +static int fio_send_cmd_ext_pdu(int sk, uint16_t opcode, const void *buf, + off_t size, uint64_t tag, uint32_t flags) { - struct cmd_add_job_pdu pdu; - int i; + struct fio_net_cmd cmd; + struct iovec iov[2]; - strcpy((char *) pdu.jobname, o->name); - strcpy((char *) pdu.ioengine, ioengine); + iov[0].iov_base = &cmd; + iov[0].iov_len = sizeof(cmd); + iov[1].iov_base = (void *) buf; + iov[1].iov_len = size; - pdu.iodepth = cpu_to_le32(o->iodepth); - pdu.rw = cpu_to_le32(o->td_ddir); + __fio_init_net_cmd(&cmd, opcode, size, tag); + cmd.flags = __cpu_to_le32(flags); + fio_net_cmd_crc_pdu(&cmd, buf); - for (i = 0; i < 2; i++) { - pdu.min_bs[i] = cpu_to_le32(o->min_bs[i]); - pdu.max_bs[i] = cpu_to_le32(o->max_bs[i]); + return fio_sendv_data(server_fd, iov, 2); +} + +int fio_send_iolog(struct thread_data *td, struct io_log *log, const char *name) +{ + struct cmd_iolog_pdu pdu; + z_stream stream; + void *out_pdu; + int i, ret = 0; + + pdu.thread_number = cpu_to_le32(td->thread_number); + pdu.nr_samples = __cpu_to_le32(log->nr_samples); + pdu.log_type = cpu_to_le32(log->log_type); + strcpy((char *) pdu.name, name); + + for (i = 0; i < log->nr_samples; i++) { + struct io_sample *s = &log->log[i]; + + s->time = cpu_to_le64(s->time); + s->val = cpu_to_le64(s->val); + s->ddir = cpu_to_le32(s->ddir); + s->bs = cpu_to_le32(s->bs); } - pdu.numjobs = cpu_to_le32(o->numjobs); - pdu.group_reporting = cpu_to_le32(o->group_reporting); + /* + * Dirty - since the log is potentially huge, compress it into + * FIO_SERVER_MAX_FRAGMENT_PDU chunks and let the receiving + * side defragment it. + */ + out_pdu = malloc(FIO_SERVER_MAX_FRAGMENT_PDU); + + stream.zalloc = Z_NULL; + stream.zfree = Z_NULL; + stream.opaque = Z_NULL; + + if (deflateInit(&stream, Z_DEFAULT_COMPRESSION) != Z_OK) { + ret = 1; + goto err; + } + + /* + * Send header first, it's not compressed. + */ + ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, &pdu, + sizeof(pdu), 0, FIO_NET_CMD_F_MORE); + if (ret) + goto err_zlib; + + stream.next_in = (void *) log->log; + stream.avail_in = log->nr_samples * sizeof(struct io_sample); + + do { + unsigned int this_len, flags = 0; + int ret; + + stream.avail_out = FIO_SERVER_MAX_FRAGMENT_PDU; + stream.next_out = out_pdu; + ret = deflate(&stream, Z_FINISH); + /* may be Z_OK, or Z_STREAM_END */ + if (ret < 0) + goto err_zlib; + + this_len = FIO_SERVER_MAX_FRAGMENT_PDU - stream.avail_out; + + if (stream.avail_in) + flags = FIO_NET_CMD_F_MORE; + + ret = fio_send_cmd_ext_pdu(server_fd, FIO_NET_CMD_IOLOG, + out_pdu, this_len, 0, flags); + if (ret) + goto err_zlib; + } while (stream.avail_in); + +err_zlib: + deflateEnd(&stream); +err: + free(out_pdu); + return ret; +} + +void fio_server_send_add_job(struct thread_data *td) +{ + struct cmd_add_job_pdu pdu; + + memset(&pdu, 0, sizeof(pdu)); + pdu.thread_number = cpu_to_le32(td->thread_number); + pdu.groupid = cpu_to_le32(td->groupid); + convert_thread_options_to_net(&pdu.top, &td->o); fio_net_send_cmd(server_fd, FIO_NET_CMD_ADD_JOB, &pdu, sizeof(pdu), 0); } @@ -1237,8 +1379,8 @@ int fio_start_server(char *pidfile) int ret; #if defined(WIN32) - WSADATA wsd; - WSAStartup(MAKEWORD(2,2), &wsd); + WSADATA wsd; + WSAStartup(MAKEWORD(2,2), &wsd); #endif if (!pidfile)