[678cfd] | 1 | /* |
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| 2 | * slave.c *ACTUALLY, this file is named master.c* |
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| 3 | * |
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| 4 | * Send an MP tree to a single master. |
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| 5 | * |
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| 6 | * 9 Dec 1991 Manchek |
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| 7 | * 14 Oct 1992 Geist - revision to pvm3 |
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| 8 | * 6 Mar 1994 Geist - synch tasks and add direct route |
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| 9 | */ |
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| 10 | |
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| 11 | #include <stdio.h> |
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| 12 | |
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| 13 | #include <sys/types.h> |
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| 14 | #include <fcntl.h> |
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| 15 | #include <stdio.h> |
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| 16 | #include <math.h> |
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| 17 | #include "pvm3.h" |
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| 18 | #include "MP.h" |
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| 19 | |
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| 20 | #define ENCODING PvmDataRaw |
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| 21 | #define SLAVENAME "slave" |
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| 22 | |
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| 23 | EXTERN MP_TranspOps_t pvm_ops; |
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| 24 | |
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| 25 | FILE *fd; |
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| 26 | |
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| 27 | #include "node.c" |
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| 28 | #include "mp_pvm.c" |
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| 29 | |
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| 30 | |
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| 31 | int |
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| 32 | process_request(root, lfd) |
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| 33 | node_t *root; |
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| 34 | FILE *lfd; |
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| 35 | { |
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| 36 | int more; |
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| 37 | |
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| 38 | more = print_node(root, lfd); |
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| 39 | return more; |
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| 40 | } |
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| 41 | |
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| 42 | main(argc, argv) |
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| 43 | int argc; |
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| 44 | char *argv[]; |
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| 45 | { |
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| 46 | int mytid; /* my task id */ |
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| 47 | int stid = 0; /* slave task id */ |
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| 48 | int n, i, more = 0; |
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| 49 | int spawn_flag = PvmTaskDefault; |
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| 50 | char filename[128], *rhost = NULL; |
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| 51 | MP_Env_pt env = NULL; |
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| 52 | MP_Link_pt link = NULL; |
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| 53 | node_t *root = NULL; |
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| 54 | |
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| 55 | pvm_setopt(PvmAutoErr, 0); /* tell PVM not to print error to stdout */ |
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| 56 | if ((mytid = pvm_mytid()) < 0) { |
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| 57 | exit(1); |
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| 58 | } |
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| 59 | |
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| 60 | rhost = IMP_GetCmdlineArg(argc, argv, "-remhost"); |
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| 61 | if (rhost != NULL) spawn_flag = PvmTaskHost; |
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| 62 | /* start up slave task */ |
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| 63 | if (pvm_spawn(SLAVENAME, argv, spawn_flag, rhost, 1, &stid) < 0 || stid < 0) { |
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| 64 | fputs("can't initiate slave\n", stderr); |
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| 65 | goto bail; |
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| 66 | } |
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| 67 | |
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| 68 | printf("name of data file: "); |
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| 69 | scanf("%s", filename); |
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| 70 | |
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| 71 | pvm_initsend(PvmDataDefault); |
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| 72 | pvm_pkstr(filename); |
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| 73 | pvm_send(stid, 5); |
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| 74 | |
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| 75 | env = MP_AllocateEnv(); |
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| 76 | MP_SetEnvOption(env, MP_BUFFER_SIZE_OPT, pvm_getopt(PvmFragSize)); |
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| 77 | if ((env = MP_InitializeEnv(env)) == NULL) { |
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| 78 | fprintf(stderr, "%s: MP_EnvInitialize() failed!\n", argv[0]); |
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| 79 | exit(1); |
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| 80 | } |
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| 81 | MP_AddEnvTranspDevice(env, MP_PvmTransportDev, &pvm_ops); |
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| 82 | |
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| 83 | printf("MP buffer size is %d\n", MP_GetEnvOption(env, MP_BUFFER_SIZE_OPT)); |
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| 84 | printf("PVM buffer size is %d\n", pvm_getopt(PvmFragSize)); |
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| 85 | |
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| 86 | if ((link = MP_OpenLink(env, argc, argv)) == NULL) { |
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| 87 | MP_ReleaseEnv(env); |
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| 88 | pvm_exit(); |
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| 89 | fprintf(stderr, "%s: MP_OpenLink() failed!\n", argv[0]); |
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| 90 | exit(1); |
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| 91 | } |
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| 92 | |
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| 93 | MP_SetLinkOption(link, MP_LINK_LOG_MASK_OPT, MP_LOG_INIT_EVENTS); |
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| 94 | MP_SetLinkOption(link, MP_LINK_LOG_MASK_OPT, MP_LOG_READ_EVENTS); |
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| 95 | MP_SetLinkOption(link, MP_LINK_LOG_MASK_OPT, MP_LOG_WRITE_EVENTS); |
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| 96 | |
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| 97 | /* Wait for slave task to start up */ |
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| 98 | pvm_setopt(PvmRoute, PvmRouteDirect); |
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| 99 | pvm_recv(stid, 0); |
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| 100 | |
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| 101 | fd = fopen("/tmp/test.out", "w"); |
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| 102 | puts("Doing MP-PVM test\n"); |
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| 103 | |
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| 104 | printf("server's annotated tree(s):\n"); |
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| 105 | do { |
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| 106 | if (MP_TestEofMsg(link)) MP_SkipMsg(link); |
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| 107 | printf("\n\ntype\t\t #annots value\t#children\n"); |
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| 108 | /* STEP 1: get the request */ |
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| 109 | root = m_get_node(link); |
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| 110 | /* STEP 2: process the request */ |
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| 111 | more = process_request(root, fd); |
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| 112 | |
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| 113 | /* STEP 3: cleanup */ |
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| 114 | free_tree(root); /* free the annotated tree */ |
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| 115 | root = NULL; |
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| 116 | free_label_table(); /* free the label table */ |
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| 117 | } while (more); |
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| 118 | |
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| 119 | fflush(fd); fclose(fd); |
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| 120 | MP_CloseLink(link); |
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| 121 | MP_ReleaseEnv(env); |
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| 122 | printf("\nmaster: Successful termination.\n"); |
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| 123 | pvm_exit(); |
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| 124 | exit(0); |
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| 125 | |
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| 126 | bail: |
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| 127 | if (stid > 0) |
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| 128 | pvm_kill(stid); |
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| 129 | pvm_exit(); |
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| 130 | exit(1); |
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| 131 | } |
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| 132 | |
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| 133 | |
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