version 1.1, 1999/10/08 02:12:05 |
version 1.9, 2002/10/21 01:59:16 |
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/* $OpenXM: OpenXM/src/kan96xx/plugin/sm1Socket.c,v 1.8 2002/10/21 01:11:44 takayama Exp $ */ |
/* msg0s.c */ |
/* msg0s.c */ |
#include <stdio.h> |
#include <stdio.h> |
#include <sys/types.h> |
#include <sys/types.h> |
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extern int Quiet; |
extern int Quiet; |
static void errorMsg1s(char *s); |
static void errorMsg1s(char *s); |
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static int getContentLength(char *s); |
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static int getReceivedContentLength(char *s); |
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#define MAX_LISTEN_QUEUE 3 |
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/* [(sm1.socket) (open) [optional integer port, optional string name] ] extension ; */ |
/* [(sm1.socket) (open) [optional integer port, optional string name] ] extension ; */ |
struct object KsocketOpen(struct object obj) { |
struct object KsocketOpen(struct object obj) { |
Line 57 struct object KsocketOpen(struct object obj) { |
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Line 61 struct object KsocketOpen(struct object obj) { |
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me.sin_family = AF_INET; |
me.sin_family = AF_INET; |
me.sin_port = htons(portNumber); |
me.sin_port = htons(portNumber); |
bcopy(myhost->h_addr, |
bcopy(myhost->h_addr, |
&me.sin_addr,myhost->h_length); |
&me.sin_addr,myhost->h_length); |
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if ((s_waiting = socket(AF_INET,SOCK_STREAM,0)) < 0) { |
if ((s_waiting = socket(AF_INET,SOCK_STREAM,0)) < 0) { |
errorMsg1s("Socket allocation is failed."); |
errorMsg1s("Socket allocation is failed."); |
Line 77 struct object KsocketOpen(struct object obj) { |
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Line 81 struct object KsocketOpen(struct object obj) { |
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} |
} |
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if (listen(s_waiting,1) < 0) { |
if (listen(s_waiting,MAX_LISTEN_QUEUE) < 0) { |
errorMsg1s("Listen failed"); |
errorMsg1s("Listen failed"); |
} |
} |
/* |
/* |
fprintf(stderr,"Done the initialization. port =%d\n",ntohs(me.sin_port)); |
fprintf(stderr,"Done the initialization. port =%d\n",ntohs(me.sin_port)); |
fprintf(stderr,"socket id = %d",accept(s_waiting,NULL,NULL)); */ |
fprintf(stderr,"socket id = %d",accept(s_waiting,NULL,NULL)); */ |
rob = newObjectArray(2); |
rob = newObjectArray(2); |
putoa(rob,0,KpoInteger(s_waiting)); |
putoa(rob,0,KpoInteger(s_waiting)); |
putoa(rob,1,KpoInteger(ntohs(me.sin_port))); |
putoa(rob,1,KpoInteger(ntohs(me.sin_port))); |
Line 131 struct object KsocketConnect(struct object obj) { |
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Line 135 struct object KsocketConnect(struct object obj) { |
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server.sin_family = AF_INET; |
server.sin_family = AF_INET; |
server.sin_port = htons(portNumber); |
server.sin_port = htons(portNumber); |
bcopy(servhost->h_addr, |
bcopy(servhost->h_addr, |
(char *)&server.sin_addr,servhost->h_length); |
(char *)&server.sin_addr,servhost->h_length); |
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if ((socketid = socket(AF_INET,SOCK_STREAM,0)) <0) { |
if ((socketid = socket(AF_INET,SOCK_STREAM,0)) <0) { |
errorMsg1s("socket allocation is failed.\n"); |
errorMsg1s("socket allocation is failed.\n"); |
Line 236 struct object KsocketSelect(struct object obj) { |
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Line 240 struct object KsocketSelect(struct object obj) { |
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} |
} |
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struct object KsocketSelectMulti(struct object obj) |
struct object KsocketSelectMulti(struct object obj) |
/* [ [integer socketid1, integer socketid2, ...] |
/* [ [integer socketid1, integer socketid2, ...] |
optional integer timeout default 0] |
optional integer timeout default 0] |
[ result1, result2, ....] |
[ result1, result2, ....] |
*/ |
*/ |
Line 349 struct object KsocketRead(struct object obj) { |
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Line 353 struct object KsocketRead(struct object obj) { |
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if (datasize - totalsize > 0) { |
if (datasize - totalsize > 0) { |
n = read(socketid,data+totalsize,datasize-totalsize); |
n = read(socketid,data+totalsize,datasize-totalsize); |
if (n < 0) { |
if (n < 0) { |
errorMsg1s("Read error."); |
errorMsg1s("Read error."); |
} |
} |
if (n < datasize-totalsize) { |
if (n < datasize-totalsize) { |
totalsize += n; |
totalsize += n; |
break; |
break; |
}else{ totalsize += n; } |
}else{ totalsize += n; } |
if (totalsize == 0) { |
if (totalsize == 0) { |
errorMsg1s("Select returns 1, but there is no data to read."); |
errorMsg1s("Select returns 1, but there is no data to read."); |
} |
} |
}else { /* increase the datasize */ |
}else { /* increase the datasize */ |
tmp = (char *)GC_malloc(sizeof(char)*2*datasize); |
tmp = (char *)GC_malloc(sizeof(char)*2*datasize); |
Line 368 struct object KsocketRead(struct object obj) { |
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Line 372 struct object KsocketRead(struct object obj) { |
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} |
} |
} |
} |
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r = (char *)GC_malloc(sizeof(char)*(n+1)); |
r = (char *)GC_malloc(sizeof(char)*(totalsize+1)); |
if (r == (char *)NULL) errorMsg1s("Out of Memory."); |
if (r == (char *)NULL) errorMsg1s("Out of Memory."); |
bcopy(data,r,totalsize); |
bcopy(data,r,totalsize); |
robj = KpoString(r); |
r[totalsize] = 0; |
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robj = KpoString(r); /* BUG: it works only for reading string from TCP/IP |
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stream. */ |
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return(robj); |
return(robj); |
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Line 475 struct object KsocketWriteByte(struct object obj) { |
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Line 481 struct object KsocketWriteByte(struct object obj) { |
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struct object ob1; |
struct object ob1; |
struct object ob2; |
struct object ob2; |
int socketid; |
int socketid; |
int r; |
int r,i,n,kk,r0; |
char data[2]; |
#define DATA_SIZE 1024 |
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char data[DATA_SIZE]; |
if (obj.tag != Sarray) { |
if (obj.tag != Sarray) { |
errorMsg1s("KsocketWriteByte([integer socketid, int])"); |
errorMsg1s("KsocketWriteByte([integer socketid, int | array of int])"); |
} |
} |
if (getoaSize(obj) < 2) { |
if (getoaSize(obj) < 2) { |
errorMsg1s("KsocketWriteByte([integer socketid, int])"); |
errorMsg1s("KsocketWriteByte([integer socketid, int | array of int])"); |
} |
} |
ob1 = getoa(obj,0); |
ob1 = getoa(obj,0); |
ob2 = getoa(obj,1); |
ob2 = getoa(obj,1); |
if (ob1.tag != Sinteger) { |
if (ob1.tag != Sinteger) { |
errorMsg1s("KsocketWriteByte([integer socketid, int]) : the first argument must be an integer."); |
errorMsg1s("KsocketWriteByte([integer socketid, int | array of int]) : the first argument must be an integer."); |
} |
} |
socketid = KopInteger(ob1); |
socketid = KopInteger(ob1); |
if (ob2.tag != Sinteger) { |
if (ob2.tag != Sinteger && ob2.tag != Sarray) { |
errorMsg1s("KsocketWriteByte([integer socketid, int]) : the second argument must be a string."); |
errorMsg1s("KsocketWriteByte([integer socketid, int | array of int]) : the second argument must be an integer or an array of integers."); |
} |
} |
data[0] = KopInteger(ob2); |
if (ob2.tag == Sinteger) { |
r = write(socketid,data, 1); |
data[0] = KopInteger(ob2); |
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r = write(socketid,data, 1); |
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}else{ |
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n = getoaSize(ob2); kk = 0; r = 0; |
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for (i=0; i<n; i++) { |
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if (getoa(ob2,i).tag != Sinteger) |
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errorMsg1s("KsocketWriteByte([integer socketid, int | array of int]) : elements of the second argument must be integers."); |
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data[kk] = KopInteger(getoa(ob2,i)); |
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kk++; |
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if (kk >= DATA_SIZE) { |
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r0 = write(socketid,data,kk); |
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if (r0 != kk) { |
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fprintf(stderr,"Warning: Could not write to the socket.\n"); |
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return(KpoInteger(r+r0)); |
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} |
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r += r0; |
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kk = 0; |
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} |
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} |
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if (kk > 0) { |
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r0 = write(socketid,data,kk); |
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if (r0 != kk) { |
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fprintf(stderr,"Warning: Could not write to the socket.\n"); |
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return(KpoInteger(r+r0)); |
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} |
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r += r0; |
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} |
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} |
return(KpoInteger(r)); |
return(KpoInteger(r)); |
} |
} |
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struct object KsocketReadHTTP(struct object socketObj) { |
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/* Read until two empty line appears. */ |
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struct object ob; |
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char *s; |
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char *sss; |
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char *tmp; |
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int i; |
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int flag; |
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int flagmax = 1; |
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int datasize; |
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int last; |
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int contentLength=-1; |
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ob = KsocketRead(socketObj); |
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s = KopString(ob); |
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if (strncmp(s,"POST",4) == 0) flagmax=2; /* for IE */ |
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else flagmax=1; |
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flag = 0; |
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for (i=strlen(s)-1; i>=0; i--) { |
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if ((s[i] == '\n') && (i==0)) { |
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++flag; |
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}else if ((s[i] == '\n') && (s[i-1] == '\n')) { |
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++flag; |
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}else if ((s[i] == 0xd) && (s[i+1] == 0xa) && (i == 0)) { |
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++flag; |
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}else if ((s[i] == 0xa) && (s[i-1] == 0xd) && (s[i+1] == 0xd) && (s[i+2] == 0xa)) { |
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++flag; |
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} |
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} |
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if (flag >= flagmax) return ob; |
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datasize = strlen(s); |
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sss = s; |
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if ((s[strlen(s)-1] == '\n') || |
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(s[strlen(s)-2] == 0xd) && (s[strlen(s)-1] == 0xa)) { |
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last = 1; |
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}else last = 0; |
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while (flag < flagmax) { |
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contentLength = getContentLength(sss); |
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if (contentLength != -1) { |
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if (contentLength <= getReceivedContentLength(sss)) { |
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break; |
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} |
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} |
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fprintf(stderr,"Waiting in socketReadBlock (spin lock to wait an empty line). flagmax(0d,0a)=%d, contentLength=%d\n",flagmax,contentLength); |
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if (strlen(s) == 0) {fprintf(stderr,"but I'm not receiving data. Expecting a bug.\n"); |
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}else{ |
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/* for debugging. */ |
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for (i=0; i<strlen(sss); i++) { |
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if ((sss[i] >= ' ') && (sss[i] < 0x7f)) { |
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fprintf(stderr,"%c",sss[i]); |
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}else{ |
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fprintf(stderr,"(%3x)",sss[i]); |
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if (sss[i] == 0xa) fprintf(stderr,"\n"); |
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} |
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} |
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fprintf(stderr,"\n"); |
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} |
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sleep(2); |
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ob = KsocketRead(socketObj); |
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s = KopString(ob); |
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for (i=strlen(s)-1; i>=0; i--) { |
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if ((s[i] == '\n') && (i==0) && last) { |
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++flag; |
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}else if ((s[i] == '\n') && (s[i-1] == '\n')) { |
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++flag; |
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}else if ((s[i] == 0xd) && (s[i+1] == 0xa) && (i==0) && last) { |
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++flag; |
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}else if ((s[i] == 0xa) && (s[i-1] == 0xd) && (s[i+1] == 0xd) && (s[i+2] == 0xa)) { |
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++flag; |
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} |
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} |
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if (datasize-1 <= strlen(sss)+strlen(s)) { |
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tmp = (char *)GC_malloc(sizeof(char)*2*(datasize+strlen(s))+1); |
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if (tmp == (char *)NULL) errorMsg1s("Out of Memory."); |
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strcpy(tmp,sss); |
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strcat(tmp,s); |
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datasize = 2*(datasize+strlen(s)); |
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sss = tmp; |
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}else{ |
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strcat(sss,s); |
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} |
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if ((s[strlen(s)-1] == '\n') || |
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(s[strlen(s)-2] == 0xd) && (s[strlen(s)-1] == 0xa)) { |
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last = 1; |
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}else last = 0; |
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} |
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return KpoString(sss); |
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} |
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struct object Kplugin_sm1Socket(char *key,struct object obj) { |
struct object Kplugin_sm1Socket(char *key,struct object obj) { |
struct object robj = NullObject; |
struct object robj = NullObject; |
if (strcmp(key,"open") == 0) { |
if (strcmp(key,"open") == 0) { |
Line 511 struct object Kplugin_sm1Socket(char *key,struct objec |
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Line 639 struct object Kplugin_sm1Socket(char *key,struct objec |
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robj = KsocketSelectMulti(obj); |
robj = KsocketSelectMulti(obj); |
}else if (strcmp(key,"read") == 0) { |
}else if (strcmp(key,"read") == 0) { |
robj = KsocketRead(obj); |
robj = KsocketRead(obj); |
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}else if (strcmp(key,"readHTTP") == 0) { |
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robj = KsocketReadHTTP(obj); |
}else if (strcmp(key,"write") == 0) { |
}else if (strcmp(key,"write") == 0) { |
robj = KsocketWrite(obj); |
robj = KsocketWrite(obj); |
}else if (strcmp(key,"read") == 0) { |
}else if (strcmp(key,"read") == 0) { |
Line 528 struct object Kplugin_sm1Socket(char *key,struct objec |
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Line 658 struct object Kplugin_sm1Socket(char *key,struct objec |
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} |
} |
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static int getContentLength(char *s) { |
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int n; |
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int i; |
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int len = -1; |
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char *s1 = "Content-length:"; |
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char *s2 = "CONTENT-LENGTH:"; |
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n = strlen(s); |
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for (i=0; i<n; i++) { |
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if ((strncmp(&(s[i]),s1,strlen(s1)) == 0) || |
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(strncmp(&(s[i]),s2,strlen(s2)) == 0)) { |
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sscanf(&(s[i+strlen(s1)]),"%d",&len); |
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break; |
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} |
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} |
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return len; |
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} |
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static int getReceivedContentLength(char *s) { |
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int n; |
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int i; |
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int start; |
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start = -1; |
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n = strlen(s); |
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for (i=0; i<n; i++) { |
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if ((s[i] == '\n') && (s[i+1] == '\n')) { |
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start = i+2; break; |
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}else if ((s[i] == 0xd) && (s[i+1] == 0xa) && (s[i+2] == 0xd) && (s[i+3] == 0xa)) { |
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start = i+4; |
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} |
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} |
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if (start == -1) return 0; |
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return (n-start); |
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} |
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