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50d16976 JA |
1 | #include <stdio.h> |
2 | #include <stdlib.h> | |
3 | #include <unistd.h> | |
4 | #include <limits.h> | |
5 | #include <string.h> | |
6 | #include <getopt.h> | |
7 | #include <errno.h> | |
8 | #include <fcntl.h> | |
9 | #include <sys/poll.h> | |
10 | #include <sys/stat.h> | |
11 | #include <sys/types.h> | |
12 | #include <sys/wait.h> | |
13 | #include <sys/time.h> | |
14 | #include <sys/mman.h> | |
15 | #include <signal.h> | |
16 | #include <netinet/in.h> | |
17 | #include <arpa/inet.h> | |
18 | #include <netdb.h> | |
19 | ||
20 | #include "fio.h" | |
21 | ||
22 | static int net_port = 8765; | |
23 | ||
24 | static int accept_loop(int listen_sk) | |
25 | { | |
26 | struct sockaddr addr; | |
27 | unsigned int len = sizeof(addr); | |
5c341e9a | 28 | int sk, do_exit = 0; |
50d16976 JA |
29 | |
30 | again: | |
31 | sk = accept(listen_sk, &addr, &len); | |
50d16976 JA |
32 | if (sk < 0) { |
33 | log_err("fio: accept failed\n"); | |
34 | return -1; | |
35 | } | |
36 | ||
37 | /* read forever */ | |
5c341e9a | 38 | while (!do_exit) { |
50d16976 JA |
39 | char buf[131072]; |
40 | int ret; | |
41 | ||
42 | ret = recv(sk, buf, 4096, 0); | |
43 | if (ret > 0) { | |
5c341e9a JA |
44 | if (!strncmp("FIO_QUIT", buf, 8)) { |
45 | do_exit = 1; | |
46 | break; | |
47 | } | |
50d16976 JA |
48 | parse_jobs_ini(buf, 1, 0); |
49 | exec_run(); | |
50 | reset_fio_state(); | |
51 | break; | |
52 | } else if (!ret) | |
53 | break; | |
54 | if (errno == EAGAIN || errno == EINTR) | |
55 | continue; | |
56 | break; | |
57 | } | |
58 | ||
59 | close(sk); | |
5c341e9a JA |
60 | |
61 | if (!do_exit) | |
62 | goto again; | |
63 | ||
64 | return 0; | |
50d16976 JA |
65 | } |
66 | ||
67 | int fio_server(void) | |
68 | { | |
69 | struct sockaddr_in saddr_in; | |
70 | struct sockaddr addr; | |
71 | unsigned int len; | |
72 | int sk, opt; | |
73 | ||
74 | sk = socket(AF_INET, SOCK_STREAM, 0); | |
75 | if (sk < 0) { | |
76 | log_err("fio: socket\n"); | |
77 | return -1; | |
78 | } | |
79 | ||
80 | opt = 1; | |
81 | if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(opt)) < 0) { | |
82 | log_err("fio: setsockopt\n"); | |
83 | return -1; | |
84 | } | |
85 | #ifdef SO_REUSEPORT | |
86 | if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &opt, sizeof(opt)) < 0) { | |
87 | td_verror(td, errno, "setsockopt"); | |
88 | return 1; | |
89 | } | |
90 | #endif | |
91 | ||
92 | saddr_in.sin_family = AF_INET; | |
93 | saddr_in.sin_addr.s_addr = htonl(INADDR_ANY); | |
94 | saddr_in.sin_port = htons(net_port); | |
95 | ||
96 | if (bind(sk, (struct sockaddr *) &saddr_in, sizeof(saddr_in)) < 0) { | |
97 | perror("bind"); | |
98 | log_err("fio: bind\n"); | |
99 | return -1; | |
100 | } | |
101 | ||
102 | if (listen(sk, 1) < 0) { | |
103 | log_err("fio: listen\n"); | |
104 | return -1; | |
105 | } | |
106 | ||
107 | len = sizeof(addr); | |
108 | if (getsockname(sk, &addr, &len) < 0) { | |
109 | log_err("fio: getsockname"); | |
110 | return -1; | |
111 | } | |
112 | ||
113 | return accept_loop(sk); | |
114 | } |