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#include <sys/sendfile.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <arpa/inet.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <pthread.h>
#include <strings.h>
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <stdio.h>
#include <time.h>
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/** Buffers **/
struct filed_fileinfo fileinfo;
char path_b[1010];
char tmpbuf[1010];
/** HTTP Request information **/
char *path; /*** Path being requested ***/
struct {
struct {
int present;
off_t offset; /*** Range start ***/
ssize_t length; /*** Range length ***/
off_t offset; /*** Range start ***/
ssize_t length; /*** Range length ***/
} range;
} headers;
};
/* Global variables */
struct filed_fileinfo *filed_fileinfo_fdcache;
unsigned int filed_fileinfo_fdcache_size = CACHE_SIZE;
/* Initialize process */
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}
filed_fileinfo_fdcache[idx].path = strdup("");
filed_fileinfo_fdcache[idx].fd = -1;
filed_fileinfo_fdcache[idx].lastmod = "";
filed_fileinfo_fdcache[idx].type = "";
}
signal(SIGPIPE, SIG_IGN);
return(0);
}
/* Listen on a particular address/port */
static int filed_listen(const char *address, unsigned int port) {
struct sockaddr_in6 addr;
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lseek(fd, 0, SEEK_SET);
cache->fd = fd;
cache->len = len;
cache->path = strdup(path);
/* XXX:TODO: Determine */
cache->type = "application/octet-stream";
cache->type = "video/mp4";
cache->lastmod = filed_format_time(cache->lastmod_b, sizeof(cache->lastmod_b), time(NULL) - 30);
} else {
filed_log_msg_debug("Cache hit for idx: %lu: PATH \"%s\"", (unsigned long) cache_idx, path);
}
/*
* We have to make a duplicate FD, because once we release the cache
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/* Process an HTTP request and return the path requested */
static struct filed_http_request *filed_get_http_request(FILE *fp, struct filed_http_request *buffer_st) {
char *method, *path;
char *buffer, *tmpbuffer, *workbuffer, *workbuffer_next;
size_t buffer_len, tmpbuffer_len;
off_t range_start, range_end;
ssize_t range_length;
int range_request;
int i;
range_start = 0;
range_end = 0;
range_request = 0;
range_length = -1;
buffer = buffer_st->path_b;
buffer_len = sizeof(buffer_st->path_b);
tmpbuffer = buffer_st->tmpbuf;
tmpbuffer_len = sizeof(buffer_st->tmpbuf);
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if (strncasecmp(tmpbuffer, "Range: ", 7) == 0) {
workbuffer = tmpbuffer + 7;
if (strncasecmp(workbuffer, "bytes=", 6) == 0) {
workbuffer += 6;
range_request = 1;
range_start = strtoul(workbuffer, &workbuffer_next, 10);
range_start = strtoull(workbuffer, &workbuffer_next, 10);
workbuffer = workbuffer_next;
if (*workbuffer == '-') {
workbuffer++;
if (*workbuffer != '\r' && *workbuffer != '\n') {
range_end = strtoul(workbuffer, &workbuffer_next, 10);
range_end = strtoull(workbuffer, &workbuffer_next, 10);
}
}
}
}
if (memcmp(tmpbuffer, "\r\n", 2) == 0) {
break;
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}
range_length = range_end - range_start;
}
/* Fill up structure to return */
buffer_st->path = path;
buffer_st->headers.range.present = range_request;
buffer_st->offset = range_start;
buffer_st->length = range_length;
buffer_st->headers.range.offset = range_start;
buffer_st->headers.range.length = range_length;
return(buffer_st);
}
/* Return an error page */
static void filed_error_page(FILE *fp, const char *date_current, int error_number) {
char *error_string = "<html><head><title>ERROR</title></head><body>Unable to process request</body></html>";
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if (fp == NULL) {
close(fd);
return;
}
request = filed_get_http_request(fp, request);
fflush(fp);
path = request->path;
filed_log_msg("PROCESS_REPLY_START FD=... PATH=... RANGE_START=... RANGE_LENGTH=...");
if (path == NULL) {
filed_error_page(fp, date_current, 500);
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fileinfo = filed_open_file(path, &request->fileinfo);
if (fileinfo == NULL) {
filed_error_page(fp, date_current, 404);
filed_log_msg("PROCESS_REPLY_COMPLETE FD=... ERROR=404");
} else {
if (request->offset != 0 || request->length >= 0) {
if ((size_t) request->offset >= fileinfo->len) {
if (request->headers.range.offset != 0 || request->headers.range.length >= 0) {
if ((size_t) request->headers.range.offset >= fileinfo->len) {
filed_log_msg("PROCESS_REPLY_COMPLETE FD=... ERROR=416");
filed_error_page(fp, date_current, 416);
}
if (request->length < 0) {
request->length = fileinfo->len - request->offset;
}
filed_log_msg_debug("Partial request, starting at: %lu and running for %lu bytes", (unsigned long) request->offset, (unsigned long) request->length);
http_code = 216;
} else {
http_code = 200;
request->offset = 0;
request->length = fileinfo->len;
fprintf(fp, "HTTP/1.1 %i OK\r\nDate: %s\r\nServer: filed\r\nLast-Modified: %s\r\nContent-Length: %llu\r\nContent-Range: %llu-%llu/%llu\r\nContent-Type: %s\r\nConnection: close\r\n\r\n",
fprintf(fp, "HTTP/1.1 %i OK\r\nDate: %s\r\nServer: filed\r\nLast-Modified: %s\r\nContent-Length: %llu\r\nAccept-Ranges: bytes\r\nContent-Type: %s\r\nConnection: close\r\n",
http_code,
date_current,
fileinfo->lastmod,
(unsigned long long) request->length,
(unsigned long long) request->headers.range.length,
(unsigned long long) request->offset, (unsigned long long) (request->offset + request->length - 1), (unsigned long long) fileinfo->len,
filed_log_msg("PROCESS_REPLY_COMPLETE FD=... STATUS=200");
filed_log_msg("PROCESS_REPLY_COMPLETE FD=... STATUS=20X");
filed_log_msg("SEND_START IFD=... OFD=... BYTES=...");
sendfile_offset = request->offset;
sendfile_len = request->length;
sendfile_offset = request->headers.range.offset;
sendfile_len = request->headers.range.length;
while (1) {
sendfile_ret = sendfile(fd, fileinfo->fd, &sendfile_offset, sendfile_len);
if (sendfile_ret <= 0) {
break;
}
sendfile_len -= sendfile_ret;
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