version 1.5, 2000/11/24 05:49:27 |
version 1.8, 2000/12/01 07:27:03 |
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/* -*- mode: C; coding: euc-japan -*- */ |
/* -*- mode: C; coding: euc-japan -*- */ |
/* $OpenXM: OpenXM/src/ox_toolkit/oxf.c,v 1.4 2000/10/12 15:53:25 ohara Exp $ */ |
/* $OpenXM: OpenXM/src/ox_toolkit/oxf.c,v 1.7 2000/11/28 22:11:14 ohara Exp $ */ |
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/* |
/* |
This module includes functions for sending/receiveng CMO's. |
This module includes functions for sending/receiveng CMO's. |
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#include "mysocket.h" |
#include "mysocket.h" |
#include "ox_toolkit.h" |
#include "ox_toolkit.h" |
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static mathcap *oxf_mathcap(OXFILE *oxfp); |
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static int send_int32_lbo(OXFILE *oxfp, int int32); |
static int send_int32_lbo(OXFILE *oxfp, int int32); |
static int send_int32_nbo(OXFILE *oxfp, int int32); |
static int send_int32_nbo(OXFILE *oxfp, int int32); |
static int receive_int32_lbo(OXFILE *oxfp); |
static int receive_int32_lbo(OXFILE *oxfp); |
Line 82 OXFILE *oxf_open(int fd) |
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Line 84 OXFILE *oxf_open(int fd) |
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oxfp->fd = fd; |
oxfp->fd = fd; |
oxfp->send_int32 = send_int32_nbo; |
oxfp->send_int32 = send_int32_nbo; |
oxfp->receive_int32 = receive_int32_nbo; |
oxfp->receive_int32 = receive_int32_nbo; |
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oxfp->serial_number = 0; |
oxfp->control = NULL; |
oxfp->control = NULL; |
oxfp->error = 0; |
oxfp->error = 0; |
oxfp->mathcap = NULL; |
oxfp->mathcap = NULL; |
Line 90 OXFILE *oxf_open(int fd) |
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Line 93 OXFILE *oxf_open(int fd) |
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/* return (oxfp->fp != NULL)? oxfp: NULL; */ |
/* return (oxfp->fp != NULL)? oxfp: NULL; */ |
} |
} |
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int oxf_fileno(OXFILE *oxfp) |
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{ |
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return oxfp->fd; |
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} |
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OXFILE *oxf_control(OXFILE *oxfp) |
OXFILE *oxf_control(OXFILE *oxfp) |
{ |
{ |
return oxfp->control; |
return oxfp->control; |
Line 205 int oxf_confirm_server(OXFILE *oxfp, char *passwd) |
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Line 213 int oxf_confirm_server(OXFILE *oxfp, char *passwd) |
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return oxf_write(passwd, 1, strlen(passwd)+1, oxfp); |
return oxf_write(passwd, 1, strlen(passwd)+1, oxfp); |
} |
} |
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void oxf_mathcap_update(OXFILE *oxfp, cmo_mathcap *ob) |
__inline__ |
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static mathcap *oxf_mathcap(OXFILE *oxfp) |
{ |
{ |
if (oxfp->mathcap == NULL) { |
if (oxfp->mathcap == NULL) { |
oxfp->mathcap = new_mathcap(); |
oxfp->mathcap = new_mathcap(); |
} |
} |
mathcap_update(oxfp->mathcap, ob); |
return oxfp->mathcap; |
} |
} |
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cmo_mathcap *oxf_cmo_mathcap(OXFILE *oxfp) |
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{ |
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return mathcap_get(oxf_mathcap(oxfp)); |
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} |
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void oxf_mathcap_update(OXFILE *oxfp, cmo_mathcap *ob) |
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{ |
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mathcap_update(oxf_mathcap(oxfp), ob); |
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} |
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/* example: which("xterm", getenv("PATH")); */ |
/* example: which("xterm", getenv("PATH")); */ |
char *which(char *exe, const char *env) |
char *which(char *exe, const char *env) |
{ |
{ |
Line 253 int oxc_start(char *remote_host, short port, char *pas |
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Line 272 int oxc_start(char *remote_host, short port, char *pas |
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} |
} |
} |
} |
return pid; |
return pid; |
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} |
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/* Remarks: ssh determines remote host by his name, i.e. by arg[0]. */ |
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int oxc_start_with_pipe(char *remote_host, int port, char *passwd) |
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{ |
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char localhost[MAXHOSTNAMELEN]; |
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char ports[128]; |
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int pid = 0; |
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char *cmd = "oxc"; |
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int pipefd[2]; |
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if (gethostname(localhost, MAXHOSTNAMELEN)==0) { |
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if (pipe(pipefd) < 0) { |
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return -1; |
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} |
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if ((pid = fork()) == 0) { |
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dup2(pipefd[1], 0); |
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close(pipefd[0]); |
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close(pipefd[1]); |
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execlp("ssh", remote_host, cmd, NULL); |
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exit(1); |
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} |
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close(pipefd[1]); |
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pipe_send_info(pipefd[0], localhost, port, passwd); |
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} |
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return pid; |
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} |
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/* pipe_*_info で送る情報の形式の定義 */ |
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/* Integer port : 4byte, ポート番号, Network byte order |
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String hostname: ホスト名 |
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String password: パスワード |
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String は C のストリングではなくて、cmo_string のような、長さ付きの |
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ストリングである。ただし、\0 文字を含む。 |
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すなわち、"Hello" は (int32)6 H e l l o \0 に展開される(合計10byte)。 |
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*/ |
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static void pipe_send_string(int fd, char *s) |
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{ |
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int len = strlen(s)+1; |
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int lenN = htonl(len); |
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write(fd, &lenN, sizeof(int)); |
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write(fd, s, len); |
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} |
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static char *pipe_read_string() |
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{ |
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int len; |
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char *s; |
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read(0, &len, sizeof(int)); |
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len = ntohl(len); |
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s = malloc(len); |
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read(0, s, len); |
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return s; |
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} |
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void pipe_send_info(int fd, char *hostname, int port, char *password) |
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{ |
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port = htonl(port); |
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write(fd, &port, sizeof(int)); |
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pipe_send_string(fd, hostname); |
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pipe_send_string(fd, password); |
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} |
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void pipe_read_info(char **hostname, int *port, char **password) |
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{ |
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if (read(0, port, sizeof(int)) > 0) { |
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*port = ntohl(*port); |
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*hostname = pipe_read_string(); |
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*password = pipe_read_string(); |
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return 0; |
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} |
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return -1; |
} |
} |
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/* Example: oxf_execute_cmd(oxfp, "ox_sm1"); */ |
/* Example: oxf_execute_cmd(oxfp, "ox_sm1"); */ |