Unity-Technologies
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curl
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signal handling to cleanup on SIGINT and SIGTERM, followup

This commit is contained in:
Yang Tse 2009-12-13 03:45:32 +00:00
Родитель 303f74c740
Коммит 6e9a484ea6
1 изменённых файлов: 60 добавлений и 43 удалений
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103
tests/server/sws.c
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@ -407,9 +407,12 @@ static int ProcessRequest(struct httprequest *req)
req->rcmd = RCMD_STREAM;
}
else if(1 == sscanf(cmd, "pipe: %d", &num)) {
logmsg("instructed to allow a pipe size %d", num);
req->pipe = num-1; /* decrease by one since we don't count the
first request in this number */
logmsg("instructed to allow a pipe size of %d", num);
if(num < 0)
logmsg("negative pipe size ignored");
else if(num > 0)
req->pipe = num-1; /* decrease by one since we don't count the
first request in this number */
}
else if(1 == sscanf(cmd, "skip: %d", &num)) {
logmsg("instructed to skip this number of bytes %d", num);
@ -457,7 +460,7 @@ static int ProcessRequest(struct httprequest *req)
if(!end) {
/* we don't have a complete request yet! */
logmsg("ProcessRequest returned without a complete request");
return 0;
return 0; /* not complete yet */
}
logmsg("ProcessRequest found a complete request");
@ -478,6 +481,9 @@ static int ProcessRequest(struct httprequest *req)
*/
do {
if(got_exit_signal)
return 1; /* done */
if((req->cl==0) && curlx_strnequal("Content-Length:", line, 15)) {
/* If we don't ignore content-length, we read it and we read the whole
request including the body before we return. If we've been told to
@ -508,6 +514,7 @@ static int ProcessRequest(struct httprequest *req)
line = strchr(line, '\n');
if(line)
line++;
} while(line);
if(!req->auth && strstr(req->reqbuf, "Authorization:")) {
@ -565,6 +572,8 @@ static int ProcessRequest(struct httprequest *req)
}
while(req->pipe) {
if(got_exit_signal)
return 1; /* done */
/* scan for more header ends within this chunk */
line = &req->reqbuf[req->checkindex];
end = strstr(line, END_OF_HEADERS);
@ -574,13 +583,12 @@ static int ProcessRequest(struct httprequest *req)
req->pipe--;
}
/* If authentication is required and no auth was provided, end now. This
makes the server NOT wait for PUT/POST data and you can then make the
test case send a rejection before any such data has been sent. Test case
154 uses this.*/
if(req->auth_req && !req->auth)
return 1;
return 1; /* done */
if(req->cl > 0) {
if(req->cl <= req->offset - (end - req->reqbuf) - strlen(END_OF_HEADERS))
@ -626,37 +634,37 @@ static void storerequest(char *reqbuf, ssize_t totalsize)
do {
written = (ssize_t)fwrite((void *) &reqbuf[totalsize-writeleft],
1, (size_t)writeleft, dump);
if(got_exit_signal) {
res = fclose(dump);
return;
}
if (written > 0)
if(got_exit_signal)
goto storerequest_cleanup;
if(written > 0)
writeleft -= written;
} while ((writeleft > 0) && ((error = ERRNO) == EINTR));
if (writeleft > 0) {
if(writeleft == 0)
logmsg("Wrote request (%zd bytes) input to " REQUEST_DUMP, totalsize);
else if(writeleft > 0) {
logmsg("Error writing file %s error: %d %s",
REQUEST_DUMP, error, strerror(error));
logmsg("Wrote only (%zd bytes) of (%zd bytes) request input to %s",
totalsize-writeleft, totalsize, REQUEST_DUMP);
}
storerequest_cleanup:
do {
res = fclose(dump);
} while(res && ((error = ERRNO) == EINTR));
if(res)
logmsg("Error closing file %s error: %d %s",
REQUEST_DUMP, error, strerror(error));
if(!writeleft)
logmsg("Wrote request (%zd bytes) input to " REQUEST_DUMP,
totalsize);
}
/* return 0 on success, non-zero on failure */
static int get_request(curl_socket_t sock, struct httprequest *req)
{
int error;
int fail = 0;
int done_processing = 0;
char *reqbuf = req->reqbuf;
ssize_t got = 0;
@ -688,7 +696,7 @@ static int get_request(curl_socket_t sock, struct httprequest *req)
/*** end of httprequest init ***/
while (req->offset < REQBUFSIZ-1) {
while(!done_processing && (req->offset < REQBUFSIZ-1)) {
if(pipereq_length && pipereq) {
memmove(reqbuf, pipereq, pipereq_length);
got = pipereq_length;
@ -705,17 +713,20 @@ static int get_request(curl_socket_t sock, struct httprequest *req)
}
if(got_exit_signal)
return 1;
if (got <= 0) {
if (got < 0) {
logmsg("recv() returned error: %d", SOCKERRNO);
return DOCNUMBER_INTERNAL;
}
if(got == 0) {
logmsg("Connection closed by client");
fail = 1;
}
else if(got < 0) {
error = SOCKERRNO;
logmsg("recv() returned error: (%d) %s", error, strerror(error));
fail = 1;
}
if(fail) {
/* dump the request received so far to the external file */
reqbuf[req->offset] = '\0';
/* dump the request receivied so far to the external file */
storerequest(reqbuf, req->offset);
return DOCNUMBER_INTERNAL;
return 1;
}
logmsg("Read %zd bytes", got);
@ -723,12 +734,13 @@ static int get_request(curl_socket_t sock, struct httprequest *req)
req->offset += (int)got;
reqbuf[req->offset] = '\0';
if(ProcessRequest(req)) {
if(req->pipe--) {
logmsg("Waiting for another piped request");
continue;
}
break;
done_processing = ProcessRequest(req);
if(got_exit_signal)
return 1;
if(done_processing && req->pipe) {
logmsg("Waiting for another piped request");
done_processing = 0;
req->pipe--;
}
}
@ -749,7 +761,6 @@ static int get_request(curl_socket_t sock, struct httprequest *req)
/* dump the request to an external file */
storerequest(reqbuf, req->pipelining ? req->checkindex : req->offset);
if(got_exit_signal)
return 1;
@ -789,7 +800,7 @@ static int send_doc(curl_socket_t sock, struct httprequest *req)
for (;;) {
written = swrite(sock, STREAMTHIS, count);
if(got_exit_signal)
break;
return -1;
if(written != (ssize_t)count) {
logmsg("Stopped streaming");
break;
@ -863,6 +874,9 @@ static int send_doc(curl_socket_t sock, struct httprequest *req)
fclose(stream);
}
if(got_exit_signal)
return -1;
/* re-open the same file again */
stream=fopen(filename, "rb");
if(!stream) {
@ -882,15 +896,6 @@ static int send_doc(curl_socket_t sock, struct httprequest *req)
if(got_exit_signal)
return -1;
dump = fopen(RESPONSE_DUMP, "ab"); /* b is for windows-preparing */
if(!dump) {
error = ERRNO;
logmsg("fopen() failed with error: %d %s", error, strerror(error));
logmsg("Error opening file: %s", RESPONSE_DUMP);
logmsg("couldn't create logfile: " RESPONSE_DUMP);
return -1;
}
/* If the word 'swsclose' is present anywhere in the reply chunk, the
connection will be closed after the data has been sent to the requesting
client... */
@ -905,6 +910,14 @@ static int send_doc(curl_socket_t sock, struct httprequest *req)
else
prevbounce = FALSE;
dump = fopen(RESPONSE_DUMP, "ab"); /* b is for windows-preparing */
if(!dump) {
error = ERRNO;
logmsg("fopen() failed with error: %d %s", error, strerror(error));
logmsg("Error opening file: %s", RESPONSE_DUMP);
logmsg("couldn't create logfile: " RESPONSE_DUMP);
return -1;
}
responsesize = count;
do {
@ -924,6 +937,8 @@ static int send_doc(curl_socket_t sock, struct httprequest *req)
}
/* write to file as well */
fwrite(buffer, 1, written, dump);
if(got_exit_signal)
break;
count -= written;
buffer += written;
@ -936,6 +951,9 @@ static int send_doc(curl_socket_t sock, struct httprequest *req)
logmsg("Error closing file %s error: %d %s",
RESPONSE_DUMP, error, strerror(error));
if(got_exit_signal)
return -1;
if(sendfailure) {
logmsg("Sending response failed. Only (%zu bytes) of (%zu bytes) were sent",
responsesize-count, responsesize);
@ -1223,7 +1241,6 @@ int main(int argc, char *argv[])
}
send_doc(msgsock, &req);
if(got_exit_signal)
break;