108 lines
2.9 KiB
C
108 lines
2.9 KiB
C
/* A simple standalone XML-RPC server based on Abyss that contains a
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simple one-thread request processing loop.
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xmlrpc_sample_add_server.c is a server that does the same thing, but
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does it by running a full Abyss daemon in the background, so it has
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less control over how the requests are served.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <signal.h>
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#include <xmlrpc-c/base.h>
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#include <xmlrpc-c/abyss.h>
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#include <xmlrpc-c/server.h>
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#include <xmlrpc-c/server_abyss.h>
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#include "config.h" /* information about this build environment */
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static void
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setupSignalHandlers(void) {
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/* In UNIX, when you try to write to a socket that has been closed
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from the other end, your write fails, but you also get a SIGPIPE
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signal. That signal will kill you before you even have a chance
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to see the write fail unless you catch, block, or ignore it.
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If a client should connect to us and then disconnect before we've
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sent our response, we see this socket-closed behavior. We
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obviously don't want to die just because a client didn't complete
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an RPC, so we ignore SIGPIPE.
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*/
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struct sigaction mysigaction;
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sigemptyset(&mysigaction.sa_mask);
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mysigaction.sa_flags = 0;
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mysigaction.sa_handler = SIG_IGN;
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sigaction(SIGPIPE, &mysigaction, NULL);
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}
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static xmlrpc_value *
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sample_add(xmlrpc_env * const envP,
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xmlrpc_value * const paramArrayP,
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void * const userData ATTR_UNUSED) {
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xmlrpc_int x, y, z;
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/* Parse our argument array. */
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xmlrpc_decompose_value(envP, paramArrayP, "(ii)", &x, &y);
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if (envP->fault_occurred)
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return NULL;
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/* Add our two numbers. */
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z = x + y;
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/* Return our result. */
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return xmlrpc_build_value(envP, "i", z);
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}
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int
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main(int const argc,
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const char ** const argv) {
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TServer abyssServer;
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xmlrpc_registry * registryP;
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xmlrpc_env env;
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if (argc-1 != 1) {
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fprintf(stderr, "You must specify 1 argument: The TCP port number "
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"on which to listen for XML-RPC calls. "
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"You specified %d.\n", argc-1);
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exit(1);
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}
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xmlrpc_env_init(&env);
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registryP = xmlrpc_registry_new(&env);
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xmlrpc_registry_add_method(
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&env, registryP, NULL, "sample.add", &sample_add, NULL);
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MIMETypeInit();
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ServerCreate(&abyssServer, "XmlRpcServer", atoi(argv[1]),
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NULL, NULL);
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xmlrpc_server_abyss_set_handlers(&abyssServer, registryP);
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ServerInit(&abyssServer);
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setupSignalHandlers();
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while (1) {
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printf("Waiting for next RPC...\n");
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ServerRunOnce2(&abyssServer, ABYSS_FOREGROUND);
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/* This waits for the next connection, accepts it, reads the
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HTTP POST request, executes the indicated RPC, and closes
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the connection.
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*/
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}
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return 0;
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}
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